diff --git a/lib/client/editor/_codemirror.js b/lib/client/editor/_codemirror.js index 16b6806e..063e4ad9 100644 --- a/lib/client/editor/_codemirror.js +++ b/lib/client/editor/_codemirror.js @@ -18,9 +18,6 @@ var CloudCommander, Util, DOM, CloudFunc, CodeMirror; }) }; - cloudcmd.Editor.dir = 'lib/client/editor/'; - CodeMirrorEditor.dir = cloudcmd.Editor.dir + 'codemirror_v2/'; - /* private functions */ /** @@ -64,7 +61,7 @@ var CloudCommander, Util, DOM, CloudFunc, CodeMirror; */ function load(pCallBack){ console.time('codemirror load'); - var lDir = CodeMirrorEditor.dir; + var lDir = cloudcmd.LIBDIRCLIENT + 'editor/codemirror/'; DOM.anyLoadOnLoad( [{ diff --git a/lib/client/editor/codemirror/codemirror.css b/lib/client/editor/codemirror/codemirror.css index 03342c18..41b8d09e 100644 --- a/lib/client/editor/codemirror/codemirror.css +++ b/lib/client/editor/codemirror/codemirror.css @@ -1,169 +1,174 @@ -.CodeMirror { - line-height: 1em; - font-family: monospace; - - /* Necessary so the scrollbar can be absolutely positioned within the wrapper on Lion. */ - position: relative; - /* This prevents unwanted scrollbars from showing up on the body and wrapper in IE. */ - overflow: hidden; -} - -.CodeMirror-scroll { - overflow-x: auto; - overflow-y: hidden; - height: 300px; - /* This is needed to prevent an IE[67] bug where the scrolled content - is visible outside of the scrolling box. */ - position: relative; - outline: none; -} - -/* Vertical scrollbar */ -.CodeMirror-scrollbar { - float: right; - overflow-x: hidden; - overflow-y: scroll; - - /* This corrects for the 1px gap introduced to the left of the scrollbar - by the rule for .CodeMirror-scrollbar-inner. */ - margin-left: -1px; -} -.CodeMirror-scrollbar-inner { - /* This needs to have a nonzero width in order for the scrollbar to appear - in Firefox and IE9. */ - width: 1px; -} -.CodeMirror-scrollbar.cm-sb-overlap { - /* Ensure that the scrollbar appears in Lion, and that it overlaps the content - rather than sitting to the right of it. */ - position: absolute; - z-index: 1; - float: none; - right: 0; - min-width: 12px; -} -.CodeMirror-scrollbar.cm-sb-nonoverlap { - min-width: 12px; -} -.CodeMirror-scrollbar.cm-sb-ie7 { - min-width: 18px; -} - -.CodeMirror-gutter { - position: absolute; left: 0; top: 0; - z-index: 10; - background-color: #f7f7f7; - border-right: 1px solid #eee; - min-width: 2em; - height: 100%; -} -.CodeMirror-gutter-text { - color: #aaa; - text-align: right; - padding: .4em .2em .4em .4em; - white-space: pre !important; - cursor: default; -} -.CodeMirror-lines { - padding: .4em; - white-space: pre; - cursor: text; -} -.CodeMirror-lines * { - /* Necessary for throw-scrolling to decelerate properly on Safari. */ - pointer-events: none; -} - -.CodeMirror pre { - -moz-border-radius: 0; - -webkit-border-radius: 0; - -o-border-radius: 0; - border-radius: 0; - border-width: 0; margin: 0; padding: 0; background: transparent; - font-family: inherit; - font-size: inherit; - padding: 0; margin: 0; - white-space: pre; - word-wrap: normal; - line-height: inherit; - color: inherit; -} - -.CodeMirror-wrap pre { - word-wrap: break-word; - white-space: pre-wrap; - word-break: normal; -} -.CodeMirror-wrap .CodeMirror-scroll { - overflow-x: hidden; -} - -.CodeMirror textarea { - outline: none !important; -} - -.CodeMirror pre.CodeMirror-cursor { - z-index: 10; - position: absolute; - visibility: hidden; - border-left: 1px solid black; - border-right: none; - width: 0; -} -.cm-keymap-fat-cursor pre.CodeMirror-cursor { - width: auto; - border: 0; - background: transparent; - background: rgba(0, 200, 0, .4); - filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#6600c800, endColorstr=#4c00c800); -} -/* Kludge to turn off filter in ie9+, which also accepts rgba */ -.cm-keymap-fat-cursor pre.CodeMirror-cursor:not(#nonsense_id) { - filter: progid:DXImageTransform.Microsoft.gradient(enabled=false); -} -.CodeMirror pre.CodeMirror-cursor.CodeMirror-overwrite {} -.CodeMirror-focused pre.CodeMirror-cursor { - visibility: visible; -} - -div.CodeMirror-selected { background: #d9d9d9; } -.CodeMirror-focused div.CodeMirror-selected { background: #d7d4f0; } - -.CodeMirror-searching { - background: #ffa; - background: rgba(255, 255, 0, .4); -} - -/* Default theme */ - -.cm-s-default span.cm-keyword {color: #708;} -.cm-s-default span.cm-atom {color: #219;} -.cm-s-default span.cm-number {color: #164;} -.cm-s-default span.cm-def {color: #00f;} -.cm-s-default span.cm-variable {color: black;} -.cm-s-default span.cm-variable-2 {color: #05a;} -.cm-s-default span.cm-variable-3 {color: #085;} -.cm-s-default span.cm-property {color: black;} -.cm-s-default span.cm-operator {color: black;} -.cm-s-default span.cm-comment {color: #a50;} -.cm-s-default span.cm-string {color: #a11;} -.cm-s-default span.cm-string-2 {color: #f50;} -.cm-s-default span.cm-meta {color: #555;} -.cm-s-default span.cm-error {color: #f00;} -.cm-s-default span.cm-qualifier {color: #555;} -.cm-s-default span.cm-builtin {color: #30a;} -.cm-s-default span.cm-bracket {color: #cc7;} -.cm-s-default span.cm-tag {color: #170;} -.cm-s-default span.cm-attribute {color: #00c;} -.cm-s-default span.cm-header {color: blue;} -.cm-s-default span.cm-quote {color: #090;} -.cm-s-default span.cm-hr {color: #999;} -.cm-s-default span.cm-link {color: #00c;} - -span.cm-header, span.cm-strong {font-weight: bold;} -span.cm-em {font-style: italic;} -span.cm-emstrong {font-style: italic; font-weight: bold;} -span.cm-link {text-decoration: underline;} - -div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;} -div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} \ No newline at end of file +.CodeMirror { + line-height: 1em; + font-family: monospace; + + /* Necessary so the scrollbar can be absolutely positioned within the wrapper on Lion. */ + position: relative; + /* This prevents unwanted scrollbars from showing up on the body and wrapper in IE. */ + overflow: hidden; +} + +.CodeMirror-scroll { + overflow: auto; + height: 300px; + /* This is needed to prevent an IE[67] bug where the scrolled content + is visible outside of the scrolling box. */ + position: relative; + outline: none; +} + +/* Vertical scrollbar */ +.CodeMirror-scrollbar { + position: absolute; + right: 0; top: 0; + overflow-x: hidden; + overflow-y: scroll; + z-index: 5; +} +.CodeMirror-scrollbar-inner { + /* This needs to have a nonzero width in order for the scrollbar to appear + in Firefox and IE9. */ + width: 1px; +} +.CodeMirror-scrollbar.cm-sb-overlap { + /* Ensure that the scrollbar appears in Lion, and that it overlaps the content + rather than sitting to the right of it. */ + position: absolute; + z-index: 1; + float: none; + right: 0; + min-width: 12px; +} +.CodeMirror-scrollbar.cm-sb-nonoverlap { + min-width: 12px; +} +.CodeMirror-scrollbar.cm-sb-ie7 { + min-width: 18px; +} + +.CodeMirror-gutter { + position: absolute; left: 0; top: 0; + z-index: 10; + background-color: #f7f7f7; + border-right: 1px solid #eee; + min-width: 2em; + height: 100%; +} +.CodeMirror-gutter-text { + color: #aaa; + text-align: right; + padding: .4em .2em .4em .4em; + white-space: pre !important; + cursor: default; +} +.CodeMirror-lines { + padding: .4em; + white-space: pre; + cursor: text; +} + +.CodeMirror pre { + -moz-border-radius: 0; + -webkit-border-radius: 0; + -o-border-radius: 0; + border-radius: 0; + border-width: 0; margin: 0; padding: 0; background: transparent; + font-family: inherit; + font-size: inherit; + padding: 0; margin: 0; + white-space: pre; + word-wrap: normal; + line-height: inherit; + color: inherit; + overflow: visible; +} + +.CodeMirror-wrap pre { + word-wrap: break-word; + white-space: pre-wrap; + word-break: normal; +} +.CodeMirror-wrap .CodeMirror-scroll { + overflow-x: hidden; +} + +.CodeMirror textarea { + outline: none !important; +} + +.CodeMirror pre.CodeMirror-cursor { + z-index: 10; + position: absolute; + visibility: hidden; + border-left: 1px solid black; + border-right: none; + width: 0; +} +.cm-keymap-fat-cursor pre.CodeMirror-cursor { + width: auto; + border: 0; + background: transparent; + background: rgba(0, 200, 0, .4); + filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#6600c800, endColorstr=#4c00c800); +} +/* Kludge to turn off filter in ie9+, which also accepts rgba */ +.cm-keymap-fat-cursor pre.CodeMirror-cursor:not(#nonsense_id) { + filter: progid:DXImageTransform.Microsoft.gradient(enabled=false); +} +.CodeMirror pre.CodeMirror-cursor.CodeMirror-overwrite {} +.CodeMirror-focused pre.CodeMirror-cursor { + visibility: visible; +} + +div.CodeMirror-selected { background: #d9d9d9; } +.CodeMirror-focused div.CodeMirror-selected { background: #d7d4f0; } + +.CodeMirror-searching { + background: #ffa; + background: rgba(255, 255, 0, .4); +} + +/* Default theme */ + +.cm-s-default span.cm-keyword {color: #708;} +.cm-s-default span.cm-atom {color: #219;} +.cm-s-default span.cm-number {color: #164;} +.cm-s-default span.cm-def {color: #00f;} +.cm-s-default span.cm-variable {color: black;} +.cm-s-default span.cm-variable-2 {color: #05a;} +.cm-s-default span.cm-variable-3 {color: #085;} +.cm-s-default span.cm-property {color: black;} +.cm-s-default span.cm-operator {color: black;} +.cm-s-default span.cm-comment {color: #a50;} +.cm-s-default span.cm-string {color: #a11;} +.cm-s-default span.cm-string-2 {color: #f50;} +.cm-s-default span.cm-meta {color: #555;} +.cm-s-default span.cm-error {color: #f00;} +.cm-s-default span.cm-qualifier {color: #555;} +.cm-s-default span.cm-builtin {color: #30a;} +.cm-s-default span.cm-bracket {color: #997;} +.cm-s-default span.cm-tag {color: #170;} +.cm-s-default span.cm-attribute {color: #00c;} +.cm-s-default span.cm-header {color: blue;} +.cm-s-default span.cm-quote {color: #090;} +.cm-s-default span.cm-hr {color: #999;} +.cm-s-default span.cm-link {color: #00c;} + +span.cm-header, span.cm-strong {font-weight: bold;} +span.cm-em {font-style: italic;} +span.cm-emstrong {font-style: italic; font-weight: bold;} +span.cm-link {text-decoration: underline;} + +span.cm-invalidchar {color: #f00;} + +div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;} +div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} + +@media print { + + /* Hide the cursor when printing */ + .CodeMirror pre.CodeMirror-cursor { + visibility: hidden; + } + +} diff --git a/lib/client/editor/codemirror/codemirror.js b/lib/client/editor/codemirror/codemirror.js index 97298bb2..e49481b5 100644 --- a/lib/client/editor/codemirror/codemirror.js +++ b/lib/client/editor/codemirror/codemirror.js @@ -1,3229 +1,3165 @@ -// All functions that need access to the editor's state live inside -// the CodeMirror function. Below that, at the bottom of the file, -// some utilities are defined. - -// CodeMirror is the only global var we claim -var CodeMirror = (function() { - // This is the function that produces an editor instance. Its - // closure is used to store the editor state. - function CodeMirror(place, givenOptions) { - // Determine effective options based on given values and defaults. - var options = {}, defaults = CodeMirror.defaults; - for (var opt in defaults) - if (defaults.hasOwnProperty(opt)) - options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt]; - - // The element in which the editor lives. - var wrapper = document.createElement("div"); - wrapper.className = "CodeMirror" + (options.lineWrapping ? " CodeMirror-wrap" : ""); - // This mess creates the base DOM structure for the editor. - wrapper.innerHTML = - '
' + // Wraps and hides input textarea - '
' + - '
' + // The vertical scrollbar. Horizontal scrolling is handled by the scroller itself. - '
' + // The empty scrollbar content, used solely for managing the scrollbar thumb. - '
' + // This must be before the scroll area because it's float-right. - '
' + - '
' + // Set to the height of the text, causes scrolling - '
' + // Moved around its parent to cover visible view - '
' + - // Provides positioning relative to (visible) text origin - '
' + - // Used to measure text size - '
' + - '
 
' + // Absolutely positioned blinky cursor - '' + // Used to force a width - '
' + // DIVs containing the selection and the actual code - '
'; - if (place.appendChild) place.appendChild(wrapper); else place(wrapper); - // I've never seen more elegant code in my life. - var inputDiv = wrapper.firstChild, input = inputDiv.firstChild, - scroller = wrapper.lastChild, code = scroller.firstChild, - mover = code.firstChild, gutter = mover.firstChild, gutterText = gutter.firstChild, - lineSpace = gutter.nextSibling.firstChild, measure = lineSpace.firstChild, - cursor = measure.nextSibling, widthForcer = cursor.nextSibling, - selectionDiv = widthForcer.nextSibling, lineDiv = selectionDiv.nextSibling, - scrollbar = inputDiv.nextSibling, scrollbarInner = scrollbar.firstChild; - themeChanged(); keyMapChanged(); - // Needed to hide big blue blinking cursor on Mobile Safari - if (ios) input.style.width = "0px"; - if (!webkit) scroller.draggable = true; - lineSpace.style.outline = "none"; - if (options.tabindex != null) input.tabIndex = options.tabindex; - if (options.autofocus) focusInput(); - if (!options.gutter && !options.lineNumbers) gutter.style.display = "none"; - // Needed to handle Tab key in KHTML - if (khtml) inputDiv.style.height = "1px", inputDiv.style.position = "absolute"; - - // Check for OS X >= 10.7. If so, we need to force a width on the scrollbar, and - // make it overlap the content. (But we only do this if the scrollbar doesn't already - // have a natural width. If the mouse is plugged in or the user sets the system pref - // to always show scrollbars, the scrollbar shouldn't overlap.) - if (mac_geLion) { - scrollbar.className += (overlapScrollbars() ? " cm-sb-overlap" : " cm-sb-nonoverlap"); - } else if (ie_lt8) { - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - scrollbar.className += " cm-sb-ie7"; - } - - // Check for problem with IE innerHTML not working when we have a - // P (or similar) parent node. - try { stringWidth("x"); } - catch (e) { - if (e.message.match(/runtime/i)) - e = new Error("A CodeMirror inside a P-style element does not work in Internet Explorer. (innerHTML bug)"); - throw e; - } - - // Delayed object wrap timeouts, making sure only one is active. blinker holds an interval. - var poll = new Delayed(), highlight = new Delayed(), blinker; - - // mode holds a mode API object. doc is the tree of Line objects, - // work an array of lines that should be parsed, and history the - // undo history (instance of History constructor). - var mode, doc = new BranchChunk([new LeafChunk([new Line("")])]), work, focused; - loadMode(); - // The selection. These are always maintained to point at valid - // positions. Inverted is used to remember that the user is - // selecting bottom-to-top. - var sel = {from: {line: 0, ch: 0}, to: {line: 0, ch: 0}, inverted: false}; - // Selection-related flags. shiftSelecting obviously tracks - // whether the user is holding shift. - var shiftSelecting, lastClick, lastDoubleClick, lastScrollTop = 0, lastScrollLeft = 0, draggingText, - overwrite = false, suppressEdits = false; - // Variables used by startOperation/endOperation to track what - // happened during the operation. - var updateInput, userSelChange, changes, textChanged, selectionChanged, leaveInputAlone, - gutterDirty, callbacks; - // Current visible range (may be bigger than the view window). - var displayOffset = 0, showingFrom = 0, showingTo = 0, lastSizeC = 0; - // bracketHighlighted is used to remember that a bracket has been - // marked. - var bracketHighlighted; - // Tracks the maximum line length so that the horizontal scrollbar - // can be kept static when scrolling. - var maxLine = "", updateMaxLine = false, maxLineChanged = true; - var tabCache = {}; - - // Initialize the content. - operation(function(){setValue(options.value || ""); updateInput = false;})(); - var history = new History(); - - // Register our event handlers. - connect(scroller, "mousedown", operation(onMouseDown)); - connect(scroller, "dblclick", operation(onDoubleClick)); - connect(lineSpace, "selectstart", e_preventDefault); - // Gecko browsers fire contextmenu *after* opening the menu, at - // which point we can't mess with it anymore. Context menu is - // handled in onMouseDown for Gecko. - if (!gecko) connect(scroller, "contextmenu", onContextMenu); - connect(scroller, "scroll", onScroll); - connect(scrollbar, "scroll", onScroll); - connect(scrollbar, "mousedown", function() {if (focused) setTimeout(focusInput, 0);}); - connect(scroller, "mousewheel", onMouseWheel); - connect(scroller, "DOMMouseScroll", onMouseWheel); - connect(window, "resize", function() {updateDisplay(true);}); - connect(input, "keyup", operation(onKeyUp)); - connect(input, "input", fastPoll); - connect(input, "keydown", operation(onKeyDown)); - connect(input, "keypress", operation(onKeyPress)); - connect(input, "focus", onFocus); - connect(input, "blur", onBlur); - - if (options.dragDrop) { - connect(scroller, "dragstart", onDragStart); - function drag_(e) { - if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; - e_stop(e); - } - connect(scroller, "dragenter", drag_); - connect(scroller, "dragover", drag_); - connect(scroller, "drop", operation(onDrop)); - } - connect(scroller, "paste", function(){focusInput(); fastPoll();}); - connect(input, "paste", fastPoll); - connect(input, "cut", operation(function(){ - if (!options.readOnly) replaceSelection(""); - })); - - // Needed to handle Tab key in KHTML - if (khtml) connect(code, "mouseup", function() { - if (document.activeElement == input) input.blur(); - focusInput(); - }); - - // IE throws unspecified error in certain cases, when - // trying to access activeElement before onload - var hasFocus; try { hasFocus = (document.activeElement == input); } catch(e) { } - if (hasFocus || options.autofocus) setTimeout(onFocus, 20); - else onBlur(); - - function isLine(l) {return l >= 0 && l < doc.size;} - // The instance object that we'll return. Mostly calls out to - // local functions in the CodeMirror function. Some do some extra - // range checking and/or clipping. operation is used to wrap the - // call so that changes it makes are tracked, and the display is - // updated afterwards. - var instance = wrapper.CodeMirror = { - getValue: getValue, - setValue: operation(setValue), - getSelection: getSelection, - replaceSelection: operation(replaceSelection), - focus: function(){window.focus(); focusInput(); onFocus(); fastPoll();}, - setOption: function(option, value) { - var oldVal = options[option]; - options[option] = value; - if (option == "mode" || option == "indentUnit") loadMode(); - else if (option == "readOnly" && value == "nocursor") {onBlur(); input.blur();} - else if (option == "readOnly" && !value) {resetInput(true);} - else if (option == "theme") themeChanged(); - else if (option == "lineWrapping" && oldVal != value) operation(wrappingChanged)(); - else if (option == "tabSize") updateDisplay(true); - else if (option == "keyMap") keyMapChanged(); - if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber" || option == "theme") { - gutterChanged(); - updateDisplay(true); - } - }, - getOption: function(option) {return options[option];}, - undo: operation(undo), - redo: operation(redo), - indentLine: operation(function(n, dir) { - if (typeof dir != "string") { - if (dir == null) dir = options.smartIndent ? "smart" : "prev"; - else dir = dir ? "add" : "subtract"; - } - if (isLine(n)) indentLine(n, dir); - }), - indentSelection: operation(indentSelected), - historySize: function() {return {undo: history.done.length, redo: history.undone.length};}, - clearHistory: function() {history = new History();}, - setHistory: function(histData) { - history = new History(); - history.done = histData.done; - history.undone = histData.undone; - }, - getHistory: function() { - history.time = 0; - return {done: history.done.concat([]), undone: history.undone.concat([])}; - }, - matchBrackets: operation(function(){matchBrackets(true);}), - getTokenAt: operation(function(pos) { - pos = clipPos(pos); - return getLine(pos.line).getTokenAt(mode, getStateBefore(pos.line), pos.ch); - }), - getStateAfter: function(line) { - line = clipLine(line == null ? doc.size - 1: line); - return getStateBefore(line + 1); - }, - cursorCoords: function(start, mode) { - if (start == null) start = sel.inverted; - return this.charCoords(start ? sel.from : sel.to, mode); - }, - charCoords: function(pos, mode) { - pos = clipPos(pos); - if (mode == "local") return localCoords(pos, false); - if (mode == "div") return localCoords(pos, true); - return pageCoords(pos); - }, - coordsChar: function(coords) { - var off = eltOffset(lineSpace); - return coordsChar(coords.x - off.left, coords.y - off.top); - }, - markText: operation(markText), - setBookmark: setBookmark, - findMarksAt: findMarksAt, - setMarker: operation(addGutterMarker), - clearMarker: operation(removeGutterMarker), - setLineClass: operation(setLineClass), - hideLine: operation(function(h) {return setLineHidden(h, true);}), - showLine: operation(function(h) {return setLineHidden(h, false);}), - onDeleteLine: function(line, f) { - if (typeof line == "number") { - if (!isLine(line)) return null; - line = getLine(line); - } - (line.handlers || (line.handlers = [])).push(f); - return line; - }, - lineInfo: lineInfo, - addWidget: function(pos, node, scroll, vert, horiz) { - pos = localCoords(clipPos(pos)); - var top = pos.yBot, left = pos.x; - node.style.position = "absolute"; - code.appendChild(node); - if (vert == "over") top = pos.y; - else if (vert == "near") { - var vspace = Math.max(scroller.offsetHeight, doc.height * textHeight()), - hspace = Math.max(code.clientWidth, lineSpace.clientWidth) - paddingLeft(); - if (pos.yBot + node.offsetHeight > vspace && pos.y > node.offsetHeight) - top = pos.y - node.offsetHeight; - if (left + node.offsetWidth > hspace) - left = hspace - node.offsetWidth; - } - node.style.top = (top + paddingTop()) + "px"; - node.style.left = node.style.right = ""; - if (horiz == "right") { - left = code.clientWidth - node.offsetWidth; - node.style.right = "0px"; - } else { - if (horiz == "left") left = 0; - else if (horiz == "middle") left = (code.clientWidth - node.offsetWidth) / 2; - node.style.left = (left + paddingLeft()) + "px"; - } - if (scroll) - scrollIntoView(left, top, left + node.offsetWidth, top + node.offsetHeight); - }, - - lineCount: function() {return doc.size;}, - clipPos: clipPos, - getCursor: function(start) { - if (start == null) start = sel.inverted; - return copyPos(start ? sel.from : sel.to); - }, - somethingSelected: function() {return !posEq(sel.from, sel.to);}, - setCursor: operation(function(line, ch, user) { - if (ch == null && typeof line.line == "number") setCursor(line.line, line.ch, user); - else setCursor(line, ch, user); - }), - setSelection: operation(function(from, to, user) { - (user ? setSelectionUser : setSelection)(clipPos(from), clipPos(to || from)); - }), - getLine: function(line) {if (isLine(line)) return getLine(line).text;}, - getLineHandle: function(line) {if (isLine(line)) return getLine(line);}, - setLine: operation(function(line, text) { - if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: getLine(line).text.length}); - }), - removeLine: operation(function(line) { - if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0})); - }), - replaceRange: operation(replaceRange), - getRange: function(from, to, lineSep) {return getRange(clipPos(from), clipPos(to), lineSep);}, - - triggerOnKeyDown: operation(onKeyDown), - execCommand: function(cmd) {return commands[cmd](instance);}, - // Stuff used by commands, probably not much use to outside code. - moveH: operation(moveH), - deleteH: operation(deleteH), - moveV: operation(moveV), - toggleOverwrite: function() { - if(overwrite){ - overwrite = false; - cursor.className = cursor.className.replace(" CodeMirror-overwrite", ""); - } else { - overwrite = true; - cursor.className += " CodeMirror-overwrite"; - } - }, - - posFromIndex: function(off) { - var lineNo = 0, ch; - doc.iter(0, doc.size, function(line) { - var sz = line.text.length + 1; - if (sz > off) { ch = off; return true; } - off -= sz; - ++lineNo; - }); - return clipPos({line: lineNo, ch: ch}); - }, - indexFromPos: function (coords) { - if (coords.line < 0 || coords.ch < 0) return 0; - var index = coords.ch; - doc.iter(0, coords.line, function (line) { - index += line.text.length + 1; - }); - return index; - }, - scrollTo: function(x, y) { - if (x != null) scroller.scrollLeft = x; - if (y != null) scrollbar.scrollTop = y; - updateDisplay([]); - }, - getScrollInfo: function() { - return {x: scroller.scrollLeft, y: scrollbar.scrollTop, - height: scrollbar.scrollHeight, width: scroller.scrollWidth}; - }, - setSize: function(width, height) { - function interpret(val) { - val = String(val); - return /^\d+$/.test(val) ? val + "px" : val; - } - if (width != null) wrapper.style.width = interpret(width); - if (height != null) scroller.style.height = interpret(height); - }, - - operation: function(f){return operation(f)();}, - compoundChange: function(f){return compoundChange(f);}, - refresh: function(){ - updateDisplay(true, null, lastScrollTop); - if (scrollbar.scrollHeight > lastScrollTop) - scrollbar.scrollTop = lastScrollTop; - }, - getInputField: function(){return input;}, - getWrapperElement: function(){return wrapper;}, - getScrollerElement: function(){return scroller;}, - getGutterElement: function(){return gutter;} - }; - - function getLine(n) { return getLineAt(doc, n); } - function updateLineHeight(line, height) { - gutterDirty = true; - var diff = height - line.height; - for (var n = line; n; n = n.parent) n.height += diff; - } - - function setValue(code) { - var top = {line: 0, ch: 0}; - updateLines(top, {line: doc.size - 1, ch: getLine(doc.size-1).text.length}, - splitLines(code), top, top); - updateInput = true; - } - function getValue(lineSep) { - var text = []; - doc.iter(0, doc.size, function(line) { text.push(line.text); }); - return text.join(lineSep || "\n"); - } - - function onScroll(e) { - if (scroller.scrollTop) { - scrollbar.scrollTop += scroller.scrollTop; - scroller.scrollTop = 0; - } - if (lastScrollTop != scrollbar.scrollTop || lastScrollLeft != scroller.scrollLeft) { - lastScrollTop = scrollbar.scrollTop; - lastScrollLeft = scroller.scrollLeft; - updateDisplay([]); - if (options.fixedGutter) gutter.style.left = scroller.scrollLeft + "px"; - if (options.onScroll) options.onScroll(instance); - } - } - - function onMouseDown(e) { - setShift(e_prop(e, "shiftKey")); - // Check whether this is a click in a widget - for (var n = e_target(e); n != wrapper; n = n.parentNode) - if (n.parentNode == code && n != mover) return; - - // See if this is a click in the gutter - for (var n = e_target(e); n != wrapper; n = n.parentNode) - if (n.parentNode == gutterText) { - if (options.onGutterClick) - options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom, e); - return e_preventDefault(e); - } - - var start = posFromMouse(e); - - switch (e_button(e)) { - case 3: - if (gecko) onContextMenu(e); - return; - case 2: - if (start) setCursor(start.line, start.ch, true); - setTimeout(focusInput, 20); - e_preventDefault(e); - return; - } - // For button 1, if it was clicked inside the editor - // (posFromMouse returning non-null), we have to adjust the - // selection. - if (!start) {if (e_target(e) == scroller) e_preventDefault(e); return;} - - if (!focused) onFocus(); - - var now = +new Date, type = "single"; - if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) { - type = "triple"; - e_preventDefault(e); - setTimeout(focusInput, 20); - selectLine(start.line); - } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) { - type = "double"; - lastDoubleClick = {time: now, pos: start}; - e_preventDefault(e); - var word = findWordAt(start); - setSelectionUser(word.from, word.to); - } else { lastClick = {time: now, pos: start}; } - - var last = start, going; - if (options.dragDrop && dragAndDrop && !options.readOnly && !posEq(sel.from, sel.to) && - !posLess(start, sel.from) && !posLess(sel.to, start) && type == "single") { - // Let the drag handler handle this. - if (webkit) scroller.draggable = true; - function dragEnd(e2) { - if (webkit) scroller.draggable = false; - draggingText = false; - up(); drop(); - if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { - e_preventDefault(e2); - setCursor(start.line, start.ch, true); - focusInput(); - } - } - var up = connect(document, "mouseup", operation(dragEnd), true); - var drop = connect(scroller, "drop", operation(dragEnd), true); - draggingText = true; - // IE's approach to draggable - if (scroller.dragDrop) scroller.dragDrop(); - return; - } - e_preventDefault(e); - if (type == "single") setCursor(start.line, start.ch, true); - - var startstart = sel.from, startend = sel.to; - - function doSelect(cur) { - if (type == "single") { - setSelectionUser(start, cur); - } else if (type == "double") { - var word = findWordAt(cur); - if (posLess(cur, startstart)) setSelectionUser(word.from, startend); - else setSelectionUser(startstart, word.to); - } else if (type == "triple") { - if (posLess(cur, startstart)) setSelectionUser(startend, clipPos({line: cur.line, ch: 0})); - else setSelectionUser(startstart, clipPos({line: cur.line + 1, ch: 0})); - } - } - - function extend(e) { - var cur = posFromMouse(e, true); - if (cur && !posEq(cur, last)) { - if (!focused) onFocus(); - last = cur; - doSelect(cur); - updateInput = false; - var visible = visibleLines(); - if (cur.line >= visible.to || cur.line < visible.from) - going = setTimeout(operation(function(){extend(e);}), 150); - } - } - - function done(e) { - clearTimeout(going); - var cur = posFromMouse(e); - if (cur) doSelect(cur); - e_preventDefault(e); - focusInput(); - updateInput = true; - move(); up(); - } - var move = connect(document, "mousemove", operation(function(e) { - clearTimeout(going); - e_preventDefault(e); - if (!ie && !e_button(e)) done(e); - else extend(e); - }), true); - var up = connect(document, "mouseup", operation(done), true); - } - function onDoubleClick(e) { - for (var n = e_target(e); n != wrapper; n = n.parentNode) - if (n.parentNode == gutterText) return e_preventDefault(e); - e_preventDefault(e); - } - function onDrop(e) { - if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; - e.preventDefault(); - var pos = posFromMouse(e, true), files = e.dataTransfer.files; - if (!pos || options.readOnly) return; - if (files && files.length && window.FileReader && window.File) { - function loadFile(file, i) { - var reader = new FileReader; - reader.onload = function() { - text[i] = reader.result; - if (++read == n) { - pos = clipPos(pos); - operation(function() { - var end = replaceRange(text.join(""), pos, pos); - setSelectionUser(pos, end); - })(); - } - }; - reader.readAsText(file); - } - var n = files.length, text = Array(n), read = 0; - for (var i = 0; i < n; ++i) loadFile(files[i], i); - } else { - // Don't do a replace if the drop happened inside of the selected text. - if (draggingText && !(posLess(pos, sel.from) || posLess(sel.to, pos))) return; - try { - var text = e.dataTransfer.getData("Text"); - if (text) { - compoundChange(function() { - var curFrom = sel.from, curTo = sel.to; - setSelectionUser(pos, pos); - if (draggingText) replaceRange("", curFrom, curTo); - replaceSelection(text); - focusInput(); - }); - } - } - catch(e){} - } - } - function onDragStart(e) { - var txt = getSelection(); - e.dataTransfer.setData("Text", txt); - - // Use dummy image instead of default browsers image. - if (gecko || chrome || opera) { - var img = document.createElement('img'); - img.scr = 'data:image/gif;base64,R0lGODdhAgACAIAAAAAAAP///ywAAAAAAgACAAACAoRRADs='; //1x1 image - e.dataTransfer.setDragImage(img, 0, 0); - } - } - - function doHandleBinding(bound, dropShift) { - if (typeof bound == "string") { - bound = commands[bound]; - if (!bound) return false; - } - var prevShift = shiftSelecting; - try { - if (options.readOnly) suppressEdits = true; - if (dropShift) shiftSelecting = null; - bound(instance); - } catch(e) { - if (e != Pass) throw e; - return false; - } finally { - shiftSelecting = prevShift; - suppressEdits = false; - } - return true; - } - function handleKeyBinding(e) { - // Handle auto keymap transitions - var startMap = getKeyMap(options.keyMap), next = startMap.auto; - clearTimeout(maybeTransition); - if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() { - if (getKeyMap(options.keyMap) == startMap) { - options.keyMap = (next.call ? next.call(null, instance) : next); - } - }, 50); - - var name = keyNames[e_prop(e, "keyCode")], handled = false; - if (name == null || e.altGraphKey) return false; - if (e_prop(e, "altKey")) name = "Alt-" + name; - if (e_prop(e, "ctrlKey")) name = "Ctrl-" + name; - if (e_prop(e, "metaKey")) name = "Cmd-" + name; - - var stopped = false; - function stop() { stopped = true; } - - if (e_prop(e, "shiftKey")) { - handled = lookupKey("Shift-" + name, options.extraKeys, options.keyMap, - function(b) {return doHandleBinding(b, true);}, stop) - || lookupKey(name, options.extraKeys, options.keyMap, function(b) { - if (typeof b == "string" && /^go[A-Z]/.test(b)) return doHandleBinding(b); - }, stop); - } else { - handled = lookupKey(name, options.extraKeys, options.keyMap, doHandleBinding, stop); - } - if (stopped) handled = false; - if (handled) { - e_preventDefault(e); - restartBlink(); - if (ie) { e.oldKeyCode = e.keyCode; e.keyCode = 0; } - } - return handled; - } - function handleCharBinding(e, ch) { - var handled = lookupKey("'" + ch + "'", options.extraKeys, - options.keyMap, function(b) { return doHandleBinding(b, true); }); - if (handled) { - e_preventDefault(e); - restartBlink(); - } - return handled; - } - - var lastStoppedKey = null, maybeTransition; - function onKeyDown(e) { - if (!focused) onFocus(); - if (ie && e.keyCode == 27) { e.returnValue = false; } - if (pollingFast) { if (readInput()) pollingFast = false; } - if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; - var code = e_prop(e, "keyCode"); - // IE does strange things with escape. - setShift(code == 16 || e_prop(e, "shiftKey")); - // First give onKeyEvent option a chance to handle this. - var handled = handleKeyBinding(e); - if (opera) { - lastStoppedKey = handled ? code : null; - // Opera has no cut event... we try to at least catch the key combo - if (!handled && code == 88 && e_prop(e, mac ? "metaKey" : "ctrlKey")) - replaceSelection(""); - } - } - function onKeyPress(e) { - if (pollingFast) readInput(); - if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; - var keyCode = e_prop(e, "keyCode"), charCode = e_prop(e, "charCode"); - if (opera && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} - if (((opera && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(e)) return; - var ch = String.fromCharCode(charCode == null ? keyCode : charCode); - if (options.electricChars && mode.electricChars && options.smartIndent && !options.readOnly) { - if (mode.electricChars.indexOf(ch) > -1) - setTimeout(operation(function() {indentLine(sel.to.line, "smart");}), 75); - } - if (handleCharBinding(e, ch)) return; - fastPoll(); - } - function onKeyUp(e) { - if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; - if (e_prop(e, "keyCode") == 16) shiftSelecting = null; - } - - function onFocus() { - if (options.readOnly == "nocursor") return; - if (!focused) { - if (options.onFocus) options.onFocus(instance); - focused = true; - if (scroller.className.search(/\bCodeMirror-focused\b/) == -1) - scroller.className += " CodeMirror-focused"; - if (!leaveInputAlone) resetInput(true); - } - slowPoll(); - restartBlink(); - } - function onBlur() { - if (focused) { - if (options.onBlur) options.onBlur(instance); - focused = false; - if (bracketHighlighted) - operation(function(){ - if (bracketHighlighted) { bracketHighlighted(); bracketHighlighted = null; } - })(); - scroller.className = scroller.className.replace(" CodeMirror-focused", ""); - } - clearInterval(blinker); - setTimeout(function() {if (!focused) shiftSelecting = null;}, 150); - } - - function chopDelta(delta) { - // Make sure we always scroll a little bit for any nonzero delta. - if (delta > 0.0 && delta < 1.0) return 1; - else if (delta > -1.0 && delta < 0.0) return -1; - else return Math.round(delta); - } - - function onMouseWheel(e) { - var deltaX = 0, deltaY = 0; - if (e.type == "DOMMouseScroll") { // Firefox - var delta = -e.detail * 8.0; - if (e.axis == e.HORIZONTAL_AXIS) deltaX = delta; - else if (e.axis == e.VERTICAL_AXIS) deltaY = delta; - } else if (e.wheelDeltaX !== undefined && e.wheelDeltaY !== undefined) { // WebKit - deltaX = e.wheelDeltaX / 3.0; - deltaY = e.wheelDeltaY / 3.0; - } else if (e.wheelDelta !== undefined) { // IE or Opera - deltaY = e.wheelDelta / 3.0; - } - - var scrolled = false; - deltaX = chopDelta(deltaX); - deltaY = chopDelta(deltaY); - if ((deltaX > 0 && scroller.scrollLeft > 0) || - (deltaX < 0 && scroller.scrollLeft + scroller.clientWidth < scroller.scrollWidth)) { - scroller.scrollLeft -= deltaX; - scrolled = true; - } - if ((deltaY > 0 && scrollbar.scrollTop > 0) || - (deltaY < 0 && scrollbar.scrollTop + scrollbar.clientHeight < scrollbar.scrollHeight)) { - scrollbar.scrollTop -= deltaY; - scrolled = true; - } - if (scrolled) e_stop(e); - } - - // Replace the range from from to to by the strings in newText. - // Afterwards, set the selection to selFrom, selTo. - function updateLines(from, to, newText, selFrom, selTo) { - if (suppressEdits) return; - if (history) { - var old = []; - doc.iter(from.line, to.line + 1, function(line) { old.push(line.text); }); - history.addChange(from.line, newText.length, old); - while (history.done.length > options.undoDepth) history.done.shift(); - } - updateLinesNoUndo(from, to, newText, selFrom, selTo); - } - function unredoHelper(from, to) { - if (!from.length) return; - var set = from.pop(), out = []; - for (var i = set.length - 1; i >= 0; i -= 1) { - var change = set[i]; - var replaced = [], end = change.start + change.added; - doc.iter(change.start, end, function(line) { replaced.push(line.text); }); - out.push({start: change.start, added: change.old.length, old: replaced}); - var pos = {line: change.start + change.old.length - 1, - ch: editEnd(replaced[replaced.length-1], change.old[change.old.length-1])}; - updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: getLine(end-1).text.length}, change.old, pos, pos); - } - updateInput = true; - to.push(out); - } - function undo() {unredoHelper(history.done, history.undone);} - function redo() {unredoHelper(history.undone, history.done);} - - function updateLinesNoUndo(from, to, newText, selFrom, selTo) { - if (suppressEdits) return; - var recomputeMaxLength = false, maxLineLength = maxLine.length; - if (!options.lineWrapping) - doc.iter(from.line, to.line + 1, function(line) { - if (!line.hidden && line.text.length == maxLineLength) {recomputeMaxLength = true; return true;} - }); - if (from.line != to.line || newText.length > 1) gutterDirty = true; - - var nlines = to.line - from.line, firstLine = getLine(from.line), lastLine = getLine(to.line); - // First adjust the line structure, taking some care to leave highlighting intact. - if (from.ch == 0 && to.ch == 0 && newText[newText.length - 1] == "") { - // This is a whole-line replace. Treated specially to make - // sure line objects move the way they are supposed to. - var added = [], prevLine = null; - if (from.line) { - prevLine = getLine(from.line - 1); - prevLine.fixMarkEnds(lastLine); - } else lastLine.fixMarkStarts(); - for (var i = 0, e = newText.length - 1; i < e; ++i) - added.push(Line.inheritMarks(newText[i], prevLine)); - if (nlines) doc.remove(from.line, nlines, callbacks); - if (added.length) doc.insert(from.line, added); - } else if (firstLine == lastLine) { - if (newText.length == 1) - firstLine.replace(from.ch, to.ch, newText[0]); - else { - lastLine = firstLine.split(to.ch, newText[newText.length-1]); - firstLine.replace(from.ch, null, newText[0]); - firstLine.fixMarkEnds(lastLine); - var added = []; - for (var i = 1, e = newText.length - 1; i < e; ++i) - added.push(Line.inheritMarks(newText[i], firstLine)); - added.push(lastLine); - doc.insert(from.line + 1, added); - } - } else if (newText.length == 1) { - firstLine.replace(from.ch, null, newText[0]); - lastLine.replace(null, to.ch, ""); - firstLine.append(lastLine); - doc.remove(from.line + 1, nlines, callbacks); - } else { - var added = []; - firstLine.replace(from.ch, null, newText[0]); - lastLine.replace(null, to.ch, newText[newText.length-1]); - firstLine.fixMarkEnds(lastLine); - for (var i = 1, e = newText.length - 1; i < e; ++i) - added.push(Line.inheritMarks(newText[i], firstLine)); - if (nlines > 1) doc.remove(from.line + 1, nlines - 1, callbacks); - doc.insert(from.line + 1, added); - } - if (options.lineWrapping) { - var perLine = Math.max(5, scroller.clientWidth / charWidth() - 3); - doc.iter(from.line, from.line + newText.length, function(line) { - if (line.hidden) return; - var guess = Math.ceil(line.text.length / perLine) || 1; - if (guess != line.height) updateLineHeight(line, guess); - }); - } else { - doc.iter(from.line, from.line + newText.length, function(line) { - var l = line.text; - if (!line.hidden && l.length > maxLineLength) { - maxLine = l; maxLineLength = l.length; maxLineChanged = true; - recomputeMaxLength = false; - } - }); - if (recomputeMaxLength) updateMaxLine = true; - } - - // Add these lines to the work array, so that they will be - // highlighted. Adjust work lines if lines were added/removed. - var newWork = [], lendiff = newText.length - nlines - 1; - for (var i = 0, l = work.length; i < l; ++i) { - var task = work[i]; - if (task < from.line) newWork.push(task); - else if (task > to.line) newWork.push(task + lendiff); - } - var hlEnd = from.line + Math.min(newText.length, 500); - highlightLines(from.line, hlEnd); - newWork.push(hlEnd); - work = newWork; - startWorker(100); - // Remember that these lines changed, for updating the display - changes.push({from: from.line, to: to.line + 1, diff: lendiff}); - var changeObj = {from: from, to: to, text: newText}; - if (textChanged) { - for (var cur = textChanged; cur.next; cur = cur.next) {} - cur.next = changeObj; - } else textChanged = changeObj; - - // Update the selection - function updateLine(n) {return n <= Math.min(to.line, to.line + lendiff) ? n : n + lendiff;} - setSelection(clipPos(selFrom), clipPos(selTo), - updateLine(sel.from.line), updateLine(sel.to.line)); - } - - function needsScrollbar() { - var realHeight = doc.height * textHeight() + 2 * paddingTop(); - return realHeight - 1 > scroller.offsetHeight ? realHeight : false; - } - - function updateVerticalScroll(scrollTop) { - var scrollHeight = needsScrollbar(); - scrollbar.style.display = scrollHeight ? "block" : "none"; - if (scrollHeight) { - scrollbarInner.style.height = scrollHeight + "px"; - scrollbar.style.height = scroller.offsetHeight + "px"; - if (scrollTop != null) scrollbar.scrollTop = scrollTop; - } - // Position the mover div to align with the current virtual scroll position - mover.style.top = (displayOffset * textHeight() - scrollbar.scrollTop) + "px"; - } - - // On Mac OS X Lion and up, detect whether the mouse is plugged in by measuring - // the width of a div with a scrollbar in it. If the width is <= 1, then - // the mouse isn't plugged in and scrollbars should overlap the content. - function overlapScrollbars() { - var tmpSb = document.createElement('div'), - tmpSbInner = document.createElement('div'); - tmpSb.className = "CodeMirror-scrollbar"; - tmpSb.style.cssText = "position: absolute; left: -9999px; height: 100px;"; - tmpSbInner.className = "CodeMirror-scrollbar-inner"; - tmpSbInner.style.height = "200px"; - tmpSb.appendChild(tmpSbInner); - - document.body.appendChild(tmpSb); - var result = (tmpSb.offsetWidth <= 1); - document.body.removeChild(tmpSb); - return result; - } - - function computeMaxLength() { - var maxLineLength = 0; - maxLine = ""; maxLineChanged = true; - doc.iter(0, doc.size, function(line) { - var l = line.text; - if (!line.hidden && l.length > maxLineLength) { - maxLineLength = l.length; maxLine = l; - } - }); - updateMaxLine = false; - } - - function replaceRange(code, from, to) { - from = clipPos(from); - if (!to) to = from; else to = clipPos(to); - code = splitLines(code); - function adjustPos(pos) { - if (posLess(pos, from)) return pos; - if (!posLess(to, pos)) return end; - var line = pos.line + code.length - (to.line - from.line) - 1; - var ch = pos.ch; - if (pos.line == to.line) - ch += code[code.length-1].length - (to.ch - (to.line == from.line ? from.ch : 0)); - return {line: line, ch: ch}; - } - var end; - replaceRange1(code, from, to, function(end1) { - end = end1; - return {from: adjustPos(sel.from), to: adjustPos(sel.to)}; - }); - return end; - } - function replaceSelection(code, collapse) { - replaceRange1(splitLines(code), sel.from, sel.to, function(end) { - if (collapse == "end") return {from: end, to: end}; - else if (collapse == "start") return {from: sel.from, to: sel.from}; - else return {from: sel.from, to: end}; - }); - } - function replaceRange1(code, from, to, computeSel) { - var endch = code.length == 1 ? code[0].length + from.ch : code[code.length-1].length; - var newSel = computeSel({line: from.line + code.length - 1, ch: endch}); - updateLines(from, to, code, newSel.from, newSel.to); - } - - function getRange(from, to, lineSep) { - var l1 = from.line, l2 = to.line; - if (l1 == l2) return getLine(l1).text.slice(from.ch, to.ch); - var code = [getLine(l1).text.slice(from.ch)]; - doc.iter(l1 + 1, l2, function(line) { code.push(line.text); }); - code.push(getLine(l2).text.slice(0, to.ch)); - return code.join(lineSep || "\n"); - } - function getSelection(lineSep) { - return getRange(sel.from, sel.to, lineSep); - } - - var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll - function slowPoll() { - if (pollingFast) return; - poll.set(options.pollInterval, function() { - startOperation(); - readInput(); - if (focused) slowPoll(); - endOperation(); - }); - } - function fastPoll() { - var missed = false; - pollingFast = true; - function p() { - startOperation(); - var changed = readInput(); - if (!changed && !missed) {missed = true; poll.set(60, p);} - else {pollingFast = false; slowPoll();} - endOperation(); - } - poll.set(20, p); - } - - // Previnput is a hack to work with IME. If we reset the textarea - // on every change, that breaks IME. So we look for changes - // compared to the previous content instead. (Modern browsers have - // events that indicate IME taking place, but these are not widely - // supported or compatible enough yet to rely on.) - var prevInput = ""; - function readInput() { - if (leaveInputAlone || !focused || hasSelection(input) || options.readOnly) return false; - var text = input.value; - if (text == prevInput) return false; - shiftSelecting = null; - var same = 0, l = Math.min(prevInput.length, text.length); - while (same < l && prevInput[same] == text[same]) ++same; - if (same < prevInput.length) - sel.from = {line: sel.from.line, ch: sel.from.ch - (prevInput.length - same)}; - else if (overwrite && posEq(sel.from, sel.to)) - sel.to = {line: sel.to.line, ch: Math.min(getLine(sel.to.line).text.length, sel.to.ch + (text.length - same))}; - replaceSelection(text.slice(same), "end"); - if (text.length > 1000) { input.value = prevInput = ""; } - else prevInput = text; - return true; - } - function resetInput(user) { - if (!posEq(sel.from, sel.to)) { - prevInput = ""; - input.value = getSelection(); - selectInput(input); - } else if (user) prevInput = input.value = ""; - } - - function focusInput() { - if (options.readOnly != "nocursor") input.focus(); - } - - function scrollEditorIntoView() { - var rect = cursor.getBoundingClientRect(); - // IE returns bogus coordinates when the instance sits inside of an iframe and the cursor is hidden - if (ie && rect.top == rect.bottom) return; - var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight); - if (rect.top < 0 || rect.bottom > winH) scrollCursorIntoView(); - } - function scrollCursorIntoView() { - var coords = calculateCursorCoords(); - return scrollIntoView(coords.x, coords.y, coords.x, coords.yBot); - } - function calculateCursorCoords() { - var cursor = localCoords(sel.inverted ? sel.from : sel.to); - var x = options.lineWrapping ? Math.min(cursor.x, lineSpace.offsetWidth) : cursor.x; - return {x: x, y: cursor.y, yBot: cursor.yBot}; - } - function scrollIntoView(x1, y1, x2, y2) { - var scrollPos = calculateScrollPos(x1, y1, x2, y2), scrolled = false; - if (scrollPos.scrollLeft != null) {scroller.scrollLeft = scrollPos.scrollLeft; scrolled = true;} - if (scrollPos.scrollTop != null) {scrollbar.scrollTop = scrollPos.scrollTop; scrolled = true;} - if (scrolled && options.onScroll) options.onScroll(instance); - } - function calculateScrollPos(x1, y1, x2, y2) { - var pl = paddingLeft(), pt = paddingTop(); - y1 += pt; y2 += pt; x1 += pl; x2 += pl; - var screen = scroller.clientHeight, screentop = scrollbar.scrollTop, result = {}; - var docBottom = scroller.scrollHeight; - var atTop = y1 < pt + 10, atBottom = y2 + pt > docBottom - 10;; - if (y1 < screentop) result.scrollTop = atTop ? 0 : Math.max(0, y1); - else if (y2 > screentop + screen) result.scrollTop = (atBottom ? docBottom : y2) - screen; - - var screenw = scroller.clientWidth, screenleft = scroller.scrollLeft; - var gutterw = options.fixedGutter ? gutter.clientWidth : 0; - var atLeft = x1 < gutterw + pl + 10; - if (x1 < screenleft + gutterw || atLeft) { - if (atLeft) x1 = 0; - result.scrollLeft = Math.max(0, x1 - 10 - gutterw); - } else if (x2 > screenw + screenleft - 3) { - result.scrollLeft = x2 + 10 - screenw; - } - return result; - } - - function visibleLines(scrollTop) { - var lh = textHeight(), top = (scrollTop != null ? scrollTop : scrollbar.scrollTop) - paddingTop(); - var fromHeight = Math.max(0, Math.floor(top / lh)); - var toHeight = Math.ceil((top + scroller.clientHeight) / lh); - return {from: lineAtHeight(doc, fromHeight), - to: lineAtHeight(doc, toHeight)}; - } - // Uses a set of changes plus the current scroll position to - // determine which DOM updates have to be made, and makes the - // updates. - function updateDisplay(changes, suppressCallback, scrollTop) { - if (!scroller.clientWidth) { - showingFrom = showingTo = displayOffset = 0; - return; - } - // Compute the new visible window - // If scrollTop is specified, use that to determine which lines - // to render instead of the current scrollbar position. - var visible = visibleLines(scrollTop); - // Bail out if the visible area is already rendered and nothing changed. - if (changes !== true && changes.length == 0 && visible.from > showingFrom && visible.to < showingTo) { - updateVerticalScroll(scrollTop); - return; - } - var from = Math.max(visible.from - 100, 0), to = Math.min(doc.size, visible.to + 100); - if (showingFrom < from && from - showingFrom < 20) from = showingFrom; - if (showingTo > to && showingTo - to < 20) to = Math.min(doc.size, showingTo); - - // Create a range of theoretically intact lines, and punch holes - // in that using the change info. - var intact = changes === true ? [] : - computeIntact([{from: showingFrom, to: showingTo, domStart: 0}], changes); - // Clip off the parts that won't be visible - var intactLines = 0; - for (var i = 0; i < intact.length; ++i) { - var range = intact[i]; - if (range.from < from) {range.domStart += (from - range.from); range.from = from;} - if (range.to > to) range.to = to; - if (range.from >= range.to) intact.splice(i--, 1); - else intactLines += range.to - range.from; - } - if (intactLines == to - from && from == showingFrom && to == showingTo) { - updateVerticalScroll(scrollTop); - return; - } - intact.sort(function(a, b) {return a.domStart - b.domStart;}); - - var th = textHeight(), gutterDisplay = gutter.style.display; - lineDiv.style.display = "none"; - patchDisplay(from, to, intact); - lineDiv.style.display = gutter.style.display = ""; - - var different = from != showingFrom || to != showingTo || lastSizeC != scroller.clientHeight + th; - // This is just a bogus formula that detects when the editor is - // resized or the font size changes. - if (different) lastSizeC = scroller.clientHeight + th; - showingFrom = from; showingTo = to; - displayOffset = heightAtLine(doc, from); - - // Since this is all rather error prone, it is honoured with the - // only assertion in the whole file. - if (lineDiv.childNodes.length != showingTo - showingFrom) - throw new Error("BAD PATCH! " + JSON.stringify(intact) + " size=" + (showingTo - showingFrom) + - " nodes=" + lineDiv.childNodes.length); - - function checkHeights() { - var curNode = lineDiv.firstChild, heightChanged = false; - doc.iter(showingFrom, showingTo, function(line) { - if (!line.hidden) { - var height = Math.round(curNode.offsetHeight / th) || 1; - if (line.height != height) { - updateLineHeight(line, height); - gutterDirty = heightChanged = true; - } - } - curNode = curNode.nextSibling; - }); - return heightChanged; - } - - if (options.lineWrapping) { - checkHeights(); - var scrollHeight = needsScrollbar(); - var shouldHaveScrollbar = scrollHeight ? "block" : "none"; - if (scrollbar.style.display != shouldHaveScrollbar) { - scrollbar.style.display = shouldHaveScrollbar; - if (scrollHeight) scrollbarInner.style.height = scrollHeight + "px"; - checkHeights(); - } - } - - gutter.style.display = gutterDisplay; - if (different || gutterDirty) { - // If the gutter grew in size, re-check heights. If those changed, re-draw gutter. - updateGutter() && options.lineWrapping && checkHeights() && updateGutter(); - } - updateVerticalScroll(scrollTop); - updateSelection(); - if (!suppressCallback && options.onUpdate) options.onUpdate(instance); - return true; - } - - function computeIntact(intact, changes) { - for (var i = 0, l = changes.length || 0; i < l; ++i) { - var change = changes[i], intact2 = [], diff = change.diff || 0; - for (var j = 0, l2 = intact.length; j < l2; ++j) { - var range = intact[j]; - if (change.to <= range.from && change.diff) - intact2.push({from: range.from + diff, to: range.to + diff, - domStart: range.domStart}); - else if (change.to <= range.from || change.from >= range.to) - intact2.push(range); - else { - if (change.from > range.from) - intact2.push({from: range.from, to: change.from, domStart: range.domStart}); - if (change.to < range.to) - intact2.push({from: change.to + diff, to: range.to + diff, - domStart: range.domStart + (change.to - range.from)}); - } - } - intact = intact2; - } - return intact; - } - - function patchDisplay(from, to, intact) { - // The first pass removes the DOM nodes that aren't intact. - if (!intact.length) lineDiv.innerHTML = ""; - else { - function killNode(node) { - var tmp = node.nextSibling; - node.parentNode.removeChild(node); - return tmp; - } - var domPos = 0, curNode = lineDiv.firstChild, n; - for (var i = 0; i < intact.length; ++i) { - var cur = intact[i]; - while (cur.domStart > domPos) {curNode = killNode(curNode); domPos++;} - for (var j = 0, e = cur.to - cur.from; j < e; ++j) {curNode = curNode.nextSibling; domPos++;} - } - while (curNode) curNode = killNode(curNode); - } - // This pass fills in the lines that actually changed. - var nextIntact = intact.shift(), curNode = lineDiv.firstChild, j = from; - var scratch = document.createElement("div"); - doc.iter(from, to, function(line) { - if (nextIntact && nextIntact.to == j) nextIntact = intact.shift(); - if (!nextIntact || nextIntact.from > j) { - if (line.hidden) var html = scratch.innerHTML = "
";
-          else {
-            var html = ''
-              + line.getHTML(makeTab) + '';
-            // Kludge to make sure the styled element lies behind the selection (by z-index)
-            if (line.bgClassName)
-              html = '
 
' + html + "
"; - } - scratch.innerHTML = html; - lineDiv.insertBefore(scratch.firstChild, curNode); - } else { - curNode = curNode.nextSibling; - } - ++j; - }); - } - - function updateGutter() { - if (!options.gutter && !options.lineNumbers) return; - var hText = mover.offsetHeight, hEditor = scroller.clientHeight; - gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px"; - var html = [], i = showingFrom, normalNode; - doc.iter(showingFrom, Math.max(showingTo, showingFrom + 1), function(line) { - if (line.hidden) { - html.push("
");
-        } else {
-          var marker = line.gutterMarker;
-          var text = options.lineNumbers ? options.lineNumberFormatter(i + options.firstLineNumber) : null;
-          if (marker && marker.text)
-            text = marker.text.replace("%N%", text != null ? text : "");
-          else if (text == null)
-            text = "\u00a0";
-          html.push((marker && marker.style ? '
' : "
"), text);
-          for (var j = 1; j < line.height; ++j) html.push("
 "); - html.push("
"); - if (!marker) normalNode = i; - } - ++i; - }); - gutter.style.display = "none"; - gutterText.innerHTML = html.join(""); - // Make sure scrolling doesn't cause number gutter size to pop - if (normalNode != null && options.lineNumbers) { - var node = gutterText.childNodes[normalNode - showingFrom]; - var minwidth = String(doc.size).length, val = eltText(node.firstChild), pad = ""; - while (val.length + pad.length < minwidth) pad += "\u00a0"; - if (pad) node.insertBefore(document.createTextNode(pad), node.firstChild); - } - gutter.style.display = ""; - var resized = Math.abs((parseInt(lineSpace.style.marginLeft) || 0) - gutter.offsetWidth) > 2; - lineSpace.style.marginLeft = gutter.offsetWidth + "px"; - gutterDirty = false; - return resized; - } - function updateSelection() { - var collapsed = posEq(sel.from, sel.to); - var fromPos = localCoords(sel.from, true); - var toPos = collapsed ? fromPos : localCoords(sel.to, true); - var headPos = sel.inverted ? fromPos : toPos, th = textHeight(); - var wrapOff = eltOffset(wrapper), lineOff = eltOffset(lineDiv); - inputDiv.style.top = Math.max(0, Math.min(scroller.offsetHeight, headPos.y + lineOff.top - wrapOff.top)) + "px"; - inputDiv.style.left = Math.max(0, Math.min(scroller.offsetWidth, headPos.x + lineOff.left - wrapOff.left)) + "px"; - if (collapsed) { - cursor.style.top = headPos.y + "px"; - cursor.style.left = (options.lineWrapping ? Math.min(headPos.x, lineSpace.offsetWidth) : headPos.x) + "px"; - cursor.style.display = ""; - selectionDiv.style.display = "none"; - } else { - var sameLine = fromPos.y == toPos.y, html = ""; - var clientWidth = lineSpace.clientWidth || lineSpace.offsetWidth; - var clientHeight = lineSpace.clientHeight || lineSpace.offsetHeight; - function add(left, top, right, height) { - var rstyle = quirksMode ? "width: " + (!right ? clientWidth : clientWidth - right - left) + "px" - : "right: " + right + "px"; - html += '
'; - } - if (sel.from.ch && fromPos.y >= 0) { - var right = sameLine ? clientWidth - toPos.x : 0; - add(fromPos.x, fromPos.y, right, th); - } - var middleStart = Math.max(0, fromPos.y + (sel.from.ch ? th : 0)); - var middleHeight = Math.min(toPos.y, clientHeight) - middleStart; - if (middleHeight > 0.2 * th) - add(0, middleStart, 0, middleHeight); - if ((!sameLine || !sel.from.ch) && toPos.y < clientHeight - .5 * th) - add(0, toPos.y, clientWidth - toPos.x, th); - selectionDiv.innerHTML = html; - cursor.style.display = "none"; - selectionDiv.style.display = ""; - } - } - - function setShift(val) { - if (val) shiftSelecting = shiftSelecting || (sel.inverted ? sel.to : sel.from); - else shiftSelecting = null; - } - function setSelectionUser(from, to) { - var sh = shiftSelecting && clipPos(shiftSelecting); - if (sh) { - if (posLess(sh, from)) from = sh; - else if (posLess(to, sh)) to = sh; - } - setSelection(from, to); - userSelChange = true; - } - // Update the selection. Last two args are only used by - // updateLines, since they have to be expressed in the line - // numbers before the update. - function setSelection(from, to, oldFrom, oldTo) { - goalColumn = null; - if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;} - if (posEq(sel.from, from) && posEq(sel.to, to)) return; - if (posLess(to, from)) {var tmp = to; to = from; from = tmp;} - - // Skip over hidden lines. - if (from.line != oldFrom) { - var from1 = skipHidden(from, oldFrom, sel.from.ch); - // If there is no non-hidden line left, force visibility on current line - if (!from1) setLineHidden(from.line, false); - else from = from1; - } - if (to.line != oldTo) to = skipHidden(to, oldTo, sel.to.ch); - - if (posEq(from, to)) sel.inverted = false; - else if (posEq(from, sel.to)) sel.inverted = false; - else if (posEq(to, sel.from)) sel.inverted = true; - - if (options.autoClearEmptyLines && posEq(sel.from, sel.to)) { - var head = sel.inverted ? from : to; - if (head.line != sel.from.line && sel.from.line < doc.size) { - var oldLine = getLine(sel.from.line); - if (/^\s+$/.test(oldLine.text)) - setTimeout(operation(function() { - if (oldLine.parent && /^\s+$/.test(oldLine.text)) { - var no = lineNo(oldLine); - replaceRange("", {line: no, ch: 0}, {line: no, ch: oldLine.text.length}); - } - }, 10)); - } - } - - sel.from = from; sel.to = to; - selectionChanged = true; - } - function skipHidden(pos, oldLine, oldCh) { - function getNonHidden(dir) { - var lNo = pos.line + dir, end = dir == 1 ? doc.size : -1; - while (lNo != end) { - var line = getLine(lNo); - if (!line.hidden) { - var ch = pos.ch; - if (toEnd || ch > oldCh || ch > line.text.length) ch = line.text.length; - return {line: lNo, ch: ch}; - } - lNo += dir; - } - } - var line = getLine(pos.line); - var toEnd = pos.ch == line.text.length && pos.ch != oldCh; - if (!line.hidden) return pos; - if (pos.line >= oldLine) return getNonHidden(1) || getNonHidden(-1); - else return getNonHidden(-1) || getNonHidden(1); - } - function setCursor(line, ch, user) { - var pos = clipPos({line: line, ch: ch || 0}); - (user ? setSelectionUser : setSelection)(pos, pos); - } - - function clipLine(n) {return Math.max(0, Math.min(n, doc.size-1));} - function clipPos(pos) { - if (pos.line < 0) return {line: 0, ch: 0}; - if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc.size-1).text.length}; - var ch = pos.ch, linelen = getLine(pos.line).text.length; - if (ch == null || ch > linelen) return {line: pos.line, ch: linelen}; - else if (ch < 0) return {line: pos.line, ch: 0}; - else return pos; - } - - function findPosH(dir, unit) { - var end = sel.inverted ? sel.from : sel.to, line = end.line, ch = end.ch; - var lineObj = getLine(line); - function findNextLine() { - for (var l = line + dir, e = dir < 0 ? -1 : doc.size; l != e; l += dir) { - var lo = getLine(l); - if (!lo.hidden) { line = l; lineObj = lo; return true; } - } - } - function moveOnce(boundToLine) { - if (ch == (dir < 0 ? 0 : lineObj.text.length)) { - if (!boundToLine && findNextLine()) ch = dir < 0 ? lineObj.text.length : 0; - else return false; - } else ch += dir; - return true; - } - if (unit == "char") moveOnce(); - else if (unit == "column") moveOnce(true); - else if (unit == "word") { - var sawWord = false; - for (;;) { - if (dir < 0) if (!moveOnce()) break; - if (isWordChar(lineObj.text.charAt(ch))) sawWord = true; - else if (sawWord) {if (dir < 0) {dir = 1; moveOnce();} break;} - if (dir > 0) if (!moveOnce()) break; - } - } - return {line: line, ch: ch}; - } - function moveH(dir, unit) { - var pos = dir < 0 ? sel.from : sel.to; - if (shiftSelecting || posEq(sel.from, sel.to)) pos = findPosH(dir, unit); - setCursor(pos.line, pos.ch, true); - } - function deleteH(dir, unit) { - if (!posEq(sel.from, sel.to)) replaceRange("", sel.from, sel.to); - else if (dir < 0) replaceRange("", findPosH(dir, unit), sel.to); - else replaceRange("", sel.from, findPosH(dir, unit)); - userSelChange = true; - } - var goalColumn = null; - function moveV(dir, unit) { - var dist = 0, pos = localCoords(sel.inverted ? sel.from : sel.to, true); - if (goalColumn != null) pos.x = goalColumn; - if (unit == "page") dist = Math.min(scroller.clientHeight, window.innerHeight || document.documentElement.clientHeight); - else if (unit == "line") dist = textHeight(); - var target = coordsChar(pos.x, pos.y + dist * dir + 2); - if (unit == "page") scrollbar.scrollTop += localCoords(target, true).y - pos.y; - setCursor(target.line, target.ch, true); - goalColumn = pos.x; - } - - function findWordAt(pos) { - var line = getLine(pos.line).text; - var start = pos.ch, end = pos.ch; - var check = isWordChar(line.charAt(start < line.length ? start : start - 1)) ? - isWordChar : function(ch) {return !isWordChar(ch);}; - while (start > 0 && check(line.charAt(start - 1))) --start; - while (end < line.length && check(line.charAt(end))) ++end; - return {from: {line: pos.line, ch: start}, to: {line: pos.line, ch: end}}; - } - function selectLine(line) { - setSelectionUser({line: line, ch: 0}, clipPos({line: line + 1, ch: 0})); - } - function indentSelected(mode) { - if (posEq(sel.from, sel.to)) return indentLine(sel.from.line, mode); - var e = sel.to.line - (sel.to.ch ? 0 : 1); - for (var i = sel.from.line; i <= e; ++i) indentLine(i, mode); - } - - function indentLine(n, how) { - if (!how) how = "add"; - if (how == "smart") { - if (!mode.indent) how = "prev"; - else var state = getStateBefore(n); - } - - var line = getLine(n), curSpace = line.indentation(options.tabSize), - curSpaceString = line.text.match(/^\s*/)[0], indentation; - if (how == "smart") { - indentation = mode.indent(state, line.text.slice(curSpaceString.length), line.text); - if (indentation == Pass) how = "prev"; - } - if (how == "prev") { - if (n) indentation = getLine(n-1).indentation(options.tabSize); - else indentation = 0; - } - else if (how == "add") indentation = curSpace + options.indentUnit; - else if (how == "subtract") indentation = curSpace - options.indentUnit; - indentation = Math.max(0, indentation); - var diff = indentation - curSpace; - - var indentString = "", pos = 0; - if (options.indentWithTabs) - for (var i = Math.floor(indentation / options.tabSize); i; --i) {pos += options.tabSize; indentString += "\t";} - while (pos < indentation) {++pos; indentString += " ";} - - replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}); - } - - function loadMode() { - mode = CodeMirror.getMode(options, options.mode); - doc.iter(0, doc.size, function(line) { line.stateAfter = null; }); - work = [0]; - startWorker(); - } - function gutterChanged() { - var visible = options.gutter || options.lineNumbers; - gutter.style.display = visible ? "" : "none"; - if (visible) gutterDirty = true; - else lineDiv.parentNode.style.marginLeft = 0; - } - function wrappingChanged(from, to) { - if (options.lineWrapping) { - wrapper.className += " CodeMirror-wrap"; - var perLine = scroller.clientWidth / charWidth() - 3; - doc.iter(0, doc.size, function(line) { - if (line.hidden) return; - var guess = Math.ceil(line.text.length / perLine) || 1; - if (guess != 1) updateLineHeight(line, guess); - }); - lineSpace.style.width = code.style.width = ""; - widthForcer.style.left = ""; - } else { - wrapper.className = wrapper.className.replace(" CodeMirror-wrap", ""); - maxLine = ""; maxLineChanged = true; - doc.iter(0, doc.size, function(line) { - if (line.height != 1 && !line.hidden) updateLineHeight(line, 1); - if (line.text.length > maxLine.length) maxLine = line.text; - }); - } - changes.push({from: 0, to: doc.size}); - } - function makeTab(col) { - var w = options.tabSize - col % options.tabSize, cached = tabCache[w]; - if (cached) return cached; - for (var str = '', i = 0; i < w; ++i) str += " "; - return (tabCache[w] = {html: str + "", width: w}); - } - function themeChanged() { - scroller.className = scroller.className.replace(/\s*cm-s-\S+/g, "") + - options.theme.replace(/(^|\s)\s*/g, " cm-s-"); - } - function keyMapChanged() { - var style = keyMap[options.keyMap].style; - wrapper.className = wrapper.className.replace(/\s*cm-keymap-\S+/g, "") + - (style ? " cm-keymap-" + style : ""); - } - - function TextMarker() { this.set = []; } - TextMarker.prototype.clear = operation(function() { - var min = Infinity, max = -Infinity; - for (var i = 0, e = this.set.length; i < e; ++i) { - var line = this.set[i], mk = line.marked; - if (!mk || !line.parent) continue; - var lineN = lineNo(line); - min = Math.min(min, lineN); max = Math.max(max, lineN); - for (var j = 0; j < mk.length; ++j) - if (mk[j].marker == this) mk.splice(j--, 1); - } - if (min != Infinity) - changes.push({from: min, to: max + 1}); - }); - TextMarker.prototype.find = function() { - var from, to; - for (var i = 0, e = this.set.length; i < e; ++i) { - var line = this.set[i], mk = line.marked; - for (var j = 0; j < mk.length; ++j) { - var mark = mk[j]; - if (mark.marker == this) { - if (mark.from != null || mark.to != null) { - var found = lineNo(line); - if (found != null) { - if (mark.from != null) from = {line: found, ch: mark.from}; - if (mark.to != null) to = {line: found, ch: mark.to}; - } - } - } - } - } - return {from: from, to: to}; - }; - - function markText(from, to, className) { - from = clipPos(from); to = clipPos(to); - var tm = new TextMarker(); - if (!posLess(from, to)) return tm; - function add(line, from, to, className) { - getLine(line).addMark(new MarkedText(from, to, className, tm)); - } - if (from.line == to.line) add(from.line, from.ch, to.ch, className); - else { - add(from.line, from.ch, null, className); - for (var i = from.line + 1, e = to.line; i < e; ++i) - add(i, null, null, className); - add(to.line, null, to.ch, className); - } - changes.push({from: from.line, to: to.line + 1}); - return tm; - } - - function setBookmark(pos) { - pos = clipPos(pos); - var bm = new Bookmark(pos.ch); - getLine(pos.line).addMark(bm); - return bm; - } - - function findMarksAt(pos) { - pos = clipPos(pos); - var markers = [], marked = getLine(pos.line).marked; - if (!marked) return markers; - for (var i = 0, e = marked.length; i < e; ++i) { - var m = marked[i]; - if ((m.from == null || m.from <= pos.ch) && - (m.to == null || m.to >= pos.ch)) - markers.push(m.marker || m); - } - return markers; - } - - function addGutterMarker(line, text, className) { - if (typeof line == "number") line = getLine(clipLine(line)); - line.gutterMarker = {text: text, style: className}; - gutterDirty = true; - return line; - } - function removeGutterMarker(line) { - if (typeof line == "number") line = getLine(clipLine(line)); - line.gutterMarker = null; - gutterDirty = true; - } - - function changeLine(handle, op) { - var no = handle, line = handle; - if (typeof handle == "number") line = getLine(clipLine(handle)); - else no = lineNo(handle); - if (no == null) return null; - if (op(line, no)) changes.push({from: no, to: no + 1}); - else return null; - return line; - } - function setLineClass(handle, className, bgClassName) { - return changeLine(handle, function(line) { - if (line.className != className || line.bgClassName != bgClassName) { - line.className = className; - line.bgClassName = bgClassName; - return true; - } - }); - } - function setLineHidden(handle, hidden) { - return changeLine(handle, function(line, no) { - if (line.hidden != hidden) { - line.hidden = hidden; - if (!options.lineWrapping) { - var l = line.text; - if (hidden && l.length == maxLine.length) { - updateMaxLine = true; - } else if (!hidden && l.length > maxLine.length) { - maxLine = l; updateMaxLine = false; - } - } - updateLineHeight(line, hidden ? 0 : 1); - var fline = sel.from.line, tline = sel.to.line; - if (hidden && (fline == no || tline == no)) { - var from = fline == no ? skipHidden({line: fline, ch: 0}, fline, 0) : sel.from; - var to = tline == no ? skipHidden({line: tline, ch: 0}, tline, 0) : sel.to; - // Can't hide the last visible line, we'd have no place to put the cursor - if (!to) return; - setSelection(from, to); - } - return (gutterDirty = true); - } - }); - } - - function lineInfo(line) { - if (typeof line == "number") { - if (!isLine(line)) return null; - var n = line; - line = getLine(line); - if (!line) return null; - } else { - var n = lineNo(line); - if (n == null) return null; - } - var marker = line.gutterMarker; - return {line: n, handle: line, text: line.text, markerText: marker && marker.text, - markerClass: marker && marker.style, lineClass: line.className, bgClass: line.bgClassName}; - } - - function stringWidth(str) { - measure.innerHTML = "
x
"; - measure.firstChild.firstChild.firstChild.nodeValue = str; - return measure.firstChild.firstChild.offsetWidth || 10; - } - // These are used to go from pixel positions to character - // positions, taking varying character widths into account. - function charFromX(line, x) { - if (x <= 0) return 0; - var lineObj = getLine(line), text = lineObj.text; - function getX(len) { - return measureLine(lineObj, len).left; - } - var from = 0, fromX = 0, to = text.length, toX; - // Guess a suitable upper bound for our search. - var estimated = Math.min(to, Math.ceil(x / charWidth())); - for (;;) { - var estX = getX(estimated); - if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2)); - else {toX = estX; to = estimated; break;} - } - if (x > toX) return to; - // Try to guess a suitable lower bound as well. - estimated = Math.floor(to * 0.8); estX = getX(estimated); - if (estX < x) {from = estimated; fromX = estX;} - // Do a binary search between these bounds. - for (;;) { - if (to - from <= 1) return (toX - x > x - fromX) ? from : to; - var middle = Math.ceil((from + to) / 2), middleX = getX(middle); - if (middleX > x) {to = middle; toX = middleX;} - else {from = middle; fromX = middleX;} - } - } - - var tempId = "CodeMirror-temp-" + Math.floor(Math.random() * 0xffffff).toString(16); - function measureLine(line, ch) { - if (ch == 0) return {top: 0, left: 0}; - var wbr = options.lineWrapping && ch < line.text.length && - spanAffectsWrapping.test(line.text.slice(ch - 1, ch + 1)); - measure.innerHTML = "
" + line.getHTML(makeTab, ch, tempId, wbr) + "
"; - var elt = document.getElementById(tempId); - var top = elt.offsetTop, left = elt.offsetLeft; - // Older IEs report zero offsets for spans directly after a wrap - if (ie && top == 0 && left == 0) { - var backup = document.createElement("span"); - backup.innerHTML = "x"; - elt.parentNode.insertBefore(backup, elt.nextSibling); - top = backup.offsetTop; - } - return {top: top, left: left}; - } - function localCoords(pos, inLineWrap) { - var x, lh = textHeight(), y = lh * (heightAtLine(doc, pos.line) - (inLineWrap ? displayOffset : 0)); - if (pos.ch == 0) x = 0; - else { - var sp = measureLine(getLine(pos.line), pos.ch); - x = sp.left; - if (options.lineWrapping) y += Math.max(0, sp.top); - } - return {x: x, y: y, yBot: y + lh}; - } - // Coords must be lineSpace-local - function coordsChar(x, y) { - if (y < 0) y = 0; - var th = textHeight(), cw = charWidth(), heightPos = displayOffset + Math.floor(y / th); - var lineNo = lineAtHeight(doc, heightPos); - if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc.size - 1).text.length}; - var lineObj = getLine(lineNo), text = lineObj.text; - var tw = options.lineWrapping, innerOff = tw ? heightPos - heightAtLine(doc, lineNo) : 0; - if (x <= 0 && innerOff == 0) return {line: lineNo, ch: 0}; - function getX(len) { - var sp = measureLine(lineObj, len); - if (tw) { - var off = Math.round(sp.top / th); - return Math.max(0, sp.left + (off - innerOff) * scroller.clientWidth); - } - return sp.left; - } - var from = 0, fromX = 0, to = text.length, toX; - // Guess a suitable upper bound for our search. - var estimated = Math.min(to, Math.ceil((x + innerOff * scroller.clientWidth * .9) / cw)); - for (;;) { - var estX = getX(estimated); - if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2)); - else {toX = estX; to = estimated; break;} - } - if (x > toX) return {line: lineNo, ch: to}; - // Try to guess a suitable lower bound as well. - estimated = Math.floor(to * 0.8); estX = getX(estimated); - if (estX < x) {from = estimated; fromX = estX;} - // Do a binary search between these bounds. - for (;;) { - if (to - from <= 1) return {line: lineNo, ch: (toX - x > x - fromX) ? from : to}; - var middle = Math.ceil((from + to) / 2), middleX = getX(middle); - if (middleX > x) {to = middle; toX = middleX;} - else {from = middle; fromX = middleX;} - } - } - function pageCoords(pos) { - var local = localCoords(pos, true), off = eltOffset(lineSpace); - return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot}; - } - - var cachedHeight, cachedHeightFor, measureText; - function textHeight() { - if (measureText == null) { - measureText = "
";
-        for (var i = 0; i < 49; ++i) measureText += "x
"; - measureText += "x
"; - } - var offsetHeight = lineDiv.clientHeight; - if (offsetHeight == cachedHeightFor) return cachedHeight; - cachedHeightFor = offsetHeight; - measure.innerHTML = measureText; - cachedHeight = measure.firstChild.offsetHeight / 50 || 1; - measure.innerHTML = ""; - return cachedHeight; - } - var cachedWidth, cachedWidthFor = 0; - function charWidth() { - if (scroller.clientWidth == cachedWidthFor) return cachedWidth; - cachedWidthFor = scroller.clientWidth; - return (cachedWidth = stringWidth("x")); - } - function paddingTop() {return lineSpace.offsetTop;} - function paddingLeft() {return lineSpace.offsetLeft;} - - function posFromMouse(e, liberal) { - var offW = eltOffset(scroller, true), x, y; - // Fails unpredictably on IE[67] when mouse is dragged around quickly. - try { x = e.clientX; y = e.clientY; } catch (e) { return null; } - // This is a mess of a heuristic to try and determine whether a - // scroll-bar was clicked or not, and to return null if one was - // (and !liberal). - if (!liberal && (x - offW.left > scroller.clientWidth || y - offW.top > scroller.clientHeight)) - return null; - var offL = eltOffset(lineSpace, true); - return coordsChar(x - offL.left, y - offL.top); - } - function onContextMenu(e) { - var pos = posFromMouse(e), scrollPos = scrollbar.scrollTop; - if (!pos || opera) return; // Opera is difficult. - if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to)) - operation(setCursor)(pos.line, pos.ch); - - var oldCSS = input.style.cssText; - inputDiv.style.position = "absolute"; - input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + - "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; " + - "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; - leaveInputAlone = true; - var val = input.value = getSelection(); - focusInput(); - selectInput(input); - function rehide() { - var newVal = splitLines(input.value).join("\n"); - if (newVal != val && !options.readOnly) operation(replaceSelection)(newVal, "end"); - inputDiv.style.position = "relative"; - input.style.cssText = oldCSS; - if (ie_lt9) scrollbar.scrollTop = scrollPos; - leaveInputAlone = false; - resetInput(true); - slowPoll(); - } - - if (gecko) { - e_stop(e); - var mouseup = connect(window, "mouseup", function() { - mouseup(); - setTimeout(rehide, 20); - }, true); - } else { - setTimeout(rehide, 50); - } - } - - // Cursor-blinking - function restartBlink() { - clearInterval(blinker); - var on = true; - cursor.style.visibility = ""; - blinker = setInterval(function() { - cursor.style.visibility = (on = !on) ? "" : "hidden"; - }, 650); - } - - var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"}; - function matchBrackets(autoclear) { - var head = sel.inverted ? sel.from : sel.to, line = getLine(head.line), pos = head.ch - 1; - var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)]; - if (!match) return; - var ch = match.charAt(0), forward = match.charAt(1) == ">", d = forward ? 1 : -1, st = line.styles; - for (var off = pos + 1, i = 0, e = st.length; i < e; i+=2) - if ((off -= st[i].length) <= 0) {var style = st[i+1]; break;} - - var stack = [line.text.charAt(pos)], re = /[(){}[\]]/; - function scan(line, from, to) { - if (!line.text) return; - var st = line.styles, pos = forward ? 0 : line.text.length - 1, cur; - for (var i = forward ? 0 : st.length - 2, e = forward ? st.length : -2; i != e; i += 2*d) { - var text = st[i]; - if (st[i+1] != style) {pos += d * text.length; continue;} - for (var j = forward ? 0 : text.length - 1, te = forward ? text.length : -1; j != te; j += d, pos+=d) { - if (pos >= from && pos < to && re.test(cur = text.charAt(j))) { - var match = matching[cur]; - if (match.charAt(1) == ">" == forward) stack.push(cur); - else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false}; - else if (!stack.length) return {pos: pos, match: true}; - } - } - } - } - for (var i = head.line, e = forward ? Math.min(i + 100, doc.size) : Math.max(-1, i - 100); i != e; i+=d) { - var line = getLine(i), first = i == head.line; - var found = scan(line, first && forward ? pos + 1 : 0, first && !forward ? pos : line.text.length); - if (found) break; - } - if (!found) found = {pos: null, match: false}; - var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; - var one = markText({line: head.line, ch: pos}, {line: head.line, ch: pos+1}, style), - two = found.pos != null && markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style); - var clear = operation(function(){one.clear(); two && two.clear();}); - if (autoclear) setTimeout(clear, 800); - else bracketHighlighted = clear; - } - - // Finds the line to start with when starting a parse. Tries to - // find a line with a stateAfter, so that it can start with a - // valid state. If that fails, it returns the line with the - // smallest indentation, which tends to need the least context to - // parse correctly. - function findStartLine(n) { - var minindent, minline; - for (var search = n, lim = n - 40; search > lim; --search) { - if (search == 0) return 0; - var line = getLine(search-1); - if (line.stateAfter) return search; - var indented = line.indentation(options.tabSize); - if (minline == null || minindent > indented) { - minline = search - 1; - minindent = indented; - } - } - return minline; - } - function getStateBefore(n) { - var start = findStartLine(n), state = start && getLine(start-1).stateAfter; - if (!state) state = startState(mode); - else state = copyState(mode, state); - doc.iter(start, n, function(line) { - line.highlight(mode, state, options.tabSize); - line.stateAfter = copyState(mode, state); - }); - if (start < n) changes.push({from: start, to: n}); - if (n < doc.size && !getLine(n).stateAfter) work.push(n); - return state; - } - function highlightLines(start, end) { - var state = getStateBefore(start); - doc.iter(start, end, function(line) { - line.highlight(mode, state, options.tabSize); - line.stateAfter = copyState(mode, state); - }); - } - function highlightWorker() { - var end = +new Date + options.workTime; - var foundWork = work.length; - while (work.length) { - if (!getLine(showingFrom).stateAfter) var task = showingFrom; - else var task = work.pop(); - if (task >= doc.size) continue; - var start = findStartLine(task), state = start && getLine(start-1).stateAfter; - if (state) state = copyState(mode, state); - else state = startState(mode); - - var unchanged = 0, compare = mode.compareStates, realChange = false, - i = start, bail = false; - doc.iter(i, doc.size, function(line) { - var hadState = line.stateAfter; - if (+new Date > end) { - work.push(i); - startWorker(options.workDelay); - if (realChange) changes.push({from: task, to: i + 1}); - return (bail = true); - } - var changed = line.highlight(mode, state, options.tabSize); - if (changed) realChange = true; - line.stateAfter = copyState(mode, state); - var done = null; - if (compare) { - var same = hadState && compare(hadState, state); - if (same != Pass) done = !!same; - } - if (done == null) { - if (changed !== false || !hadState) unchanged = 0; - else if (++unchanged > 3 && (!mode.indent || mode.indent(hadState, "") == mode.indent(state, ""))) - done = true; - } - if (done) return true; - ++i; - }); - if (bail) return; - if (realChange) changes.push({from: task, to: i + 1}); - } - if (foundWork && options.onHighlightComplete) - options.onHighlightComplete(instance); - } - function startWorker(time) { - if (!work.length) return; - highlight.set(time, operation(highlightWorker)); - } - - // Operations are used to wrap changes in such a way that each - // change won't have to update the cursor and display (which would - // be awkward, slow, and error-prone), but instead updates are - // batched and then all combined and executed at once. - function startOperation() { - updateInput = userSelChange = textChanged = null; - changes = []; selectionChanged = false; callbacks = []; - } - function endOperation() { - if (updateMaxLine) computeMaxLength(); - if (maxLineChanged && !options.lineWrapping) { - var cursorWidth = widthForcer.offsetWidth, left = stringWidth(maxLine); - widthForcer.style.left = left + "px"; - lineSpace.style.minWidth = (left + cursorWidth) + "px"; - maxLineChanged = false; - } - var newScrollPos, updated; - if (selectionChanged) { - var coords = calculateCursorCoords(); - newScrollPos = calculateScrollPos(coords.x, coords.y, coords.x, coords.yBot); - } - if (changes.length) updated = updateDisplay(changes, true, (newScrollPos ? newScrollPos.scrollTop : null)); - else { - if (selectionChanged) updateSelection(); - if (gutterDirty) updateGutter(); - } - if (newScrollPos) scrollCursorIntoView(); - if (selectionChanged) {scrollEditorIntoView(); restartBlink();} - - if (focused && !leaveInputAlone && - (updateInput === true || (updateInput !== false && selectionChanged))) - resetInput(userSelChange); - - if (selectionChanged && options.matchBrackets) - setTimeout(operation(function() { - if (bracketHighlighted) {bracketHighlighted(); bracketHighlighted = null;} - if (posEq(sel.from, sel.to)) matchBrackets(false); - }), 20); - var sc = selectionChanged, cbs = callbacks; // these can be reset by callbacks - if (textChanged && options.onChange && instance) - options.onChange(instance, textChanged); - if (sc && options.onCursorActivity) - options.onCursorActivity(instance); - for (var i = 0; i < cbs.length; ++i) cbs[i](instance); - if (updated && options.onUpdate) options.onUpdate(instance); - } - var nestedOperation = 0; - function operation(f) { - return function() { - if (!nestedOperation++) startOperation(); - try {var result = f.apply(this, arguments);} - finally {if (!--nestedOperation) endOperation();} - return result; - }; - } - - function compoundChange(f) { - history.startCompound(); - try { return f(); } finally { history.endCompound(); } - } - - for (var ext in extensions) - if (extensions.propertyIsEnumerable(ext) && - !instance.propertyIsEnumerable(ext)) - instance[ext] = extensions[ext]; - return instance; - } // (end of function CodeMirror) - - // The default configuration options. - CodeMirror.defaults = { - value: "", - mode: null, - theme: "default", - indentUnit: 2, - indentWithTabs: false, - smartIndent: true, - tabSize: 4, - keyMap: "default", - extraKeys: null, - electricChars: true, - autoClearEmptyLines: false, - onKeyEvent: null, - onDragEvent: null, - lineWrapping: false, - lineNumbers: false, - gutter: false, - fixedGutter: false, - firstLineNumber: 1, - readOnly: false, - dragDrop: true, - onChange: null, - onCursorActivity: null, - onGutterClick: null, - onHighlightComplete: null, - onUpdate: null, - onFocus: null, onBlur: null, onScroll: null, - matchBrackets: false, - workTime: 100, - workDelay: 200, - pollInterval: 100, - undoDepth: 40, - tabindex: null, - autofocus: null, - lineNumberFormatter: function(integer) { return integer; } - }; - - var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); - var mac = ios || /Mac/.test(navigator.platform); - var win = /Win/.test(navigator.platform); - - // Known modes, by name and by MIME - var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; - CodeMirror.defineMode = function(name, mode) { - if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; - if (arguments.length > 2) { - mode.dependencies = []; - for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]); - } - modes[name] = mode; - }; - CodeMirror.defineMIME = function(mime, spec) { - mimeModes[mime] = spec; - }; - CodeMirror.resolveMode = function(spec) { - if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) - spec = mimeModes[spec]; - else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) - return CodeMirror.resolveMode("application/xml"); - if (typeof spec == "string") return {name: spec}; - else return spec || {name: "null"}; - }; - CodeMirror.getMode = function(options, spec) { - var spec = CodeMirror.resolveMode(spec); - var mfactory = modes[spec.name]; - if (!mfactory) return CodeMirror.getMode(options, "text/plain"); - return mfactory(options, spec); - }; - CodeMirror.listModes = function() { - var list = []; - for (var m in modes) - if (modes.propertyIsEnumerable(m)) list.push(m); - return list; - }; - CodeMirror.listMIMEs = function() { - var list = []; - for (var m in mimeModes) - if (mimeModes.propertyIsEnumerable(m)) list.push({mime: m, mode: mimeModes[m]}); - return list; - }; - - var extensions = CodeMirror.extensions = {}; - CodeMirror.defineExtension = function(name, func) { - extensions[name] = func; - }; - - var commands = CodeMirror.commands = { - selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});}, - killLine: function(cm) { - var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to); - if (!sel && cm.getLine(from.line).length == from.ch) cm.replaceRange("", from, {line: from.line + 1, ch: 0}); - else cm.replaceRange("", from, sel ? to : {line: from.line}); - }, - deleteLine: function(cm) {var l = cm.getCursor().line; cm.replaceRange("", {line: l, ch: 0}, {line: l});}, - undo: function(cm) {cm.undo();}, - redo: function(cm) {cm.redo();}, - goDocStart: function(cm) {cm.setCursor(0, 0, true);}, - goDocEnd: function(cm) {cm.setSelection({line: cm.lineCount() - 1}, null, true);}, - goLineStart: function(cm) {cm.setCursor(cm.getCursor().line, 0, true);}, - goLineStartSmart: function(cm) { - var cur = cm.getCursor(); - var text = cm.getLine(cur.line), firstNonWS = Math.max(0, text.search(/\S/)); - cm.setCursor(cur.line, cur.ch <= firstNonWS && cur.ch ? 0 : firstNonWS, true); - }, - goLineEnd: function(cm) {cm.setSelection({line: cm.getCursor().line}, null, true);}, - goLineUp: function(cm) {cm.moveV(-1, "line");}, - goLineDown: function(cm) {cm.moveV(1, "line");}, - goPageUp: function(cm) {cm.moveV(-1, "page");}, - goPageDown: function(cm) {cm.moveV(1, "page");}, - goCharLeft: function(cm) {cm.moveH(-1, "char");}, - goCharRight: function(cm) {cm.moveH(1, "char");}, - goColumnLeft: function(cm) {cm.moveH(-1, "column");}, - goColumnRight: function(cm) {cm.moveH(1, "column");}, - goWordLeft: function(cm) {cm.moveH(-1, "word");}, - goWordRight: function(cm) {cm.moveH(1, "word");}, - delCharLeft: function(cm) {cm.deleteH(-1, "char");}, - delCharRight: function(cm) {cm.deleteH(1, "char");}, - delWordLeft: function(cm) {cm.deleteH(-1, "word");}, - delWordRight: function(cm) {cm.deleteH(1, "word");}, - indentAuto: function(cm) {cm.indentSelection("smart");}, - indentMore: function(cm) {cm.indentSelection("add");}, - indentLess: function(cm) {cm.indentSelection("subtract");}, - insertTab: function(cm) {cm.replaceSelection("\t", "end");}, - defaultTab: function(cm) { - if (cm.somethingSelected()) cm.indentSelection("add"); - else cm.replaceSelection("\t", "end"); - }, - transposeChars: function(cm) { - var cur = cm.getCursor(), line = cm.getLine(cur.line); - if (cur.ch > 0 && cur.ch < line.length - 1) - cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1), - {line: cur.line, ch: cur.ch - 1}, {line: cur.line, ch: cur.ch + 1}); - }, - newlineAndIndent: function(cm) { - cm.replaceSelection("\n", "end"); - cm.indentLine(cm.getCursor().line); - }, - toggleOverwrite: function(cm) {cm.toggleOverwrite();} - }; - - var keyMap = CodeMirror.keyMap = {}; - keyMap.basic = { - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", - "Delete": "delCharRight", "Backspace": "delCharLeft", "Tab": "defaultTab", "Shift-Tab": "indentAuto", - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite" - }; - // Note that the save and find-related commands aren't defined by - // default. Unknown commands are simply ignored. - keyMap.pcDefault = { - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd", - "Ctrl-Left": "goWordLeft", "Ctrl-Right": "goWordRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", - "Ctrl-Backspace": "delWordLeft", "Ctrl-Delete": "delWordRight", "Ctrl-S": "save", "Ctrl-F": "find", - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", - fallthrough: "basic" - }; - keyMap.macDefault = { - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", - "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goWordLeft", - "Alt-Right": "goWordRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delWordLeft", - "Ctrl-Alt-Backspace": "delWordRight", "Alt-Delete": "delWordRight", "Cmd-S": "save", "Cmd-F": "find", - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", - "Cmd-[": "indentLess", "Cmd-]": "indentMore", - fallthrough: ["basic", "emacsy"] - }; - keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; - keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", - "Ctrl-V": "goPageUp", "Shift-Ctrl-V": "goPageDown", "Ctrl-D": "delCharRight", "Ctrl-H": "delCharLeft", - "Alt-D": "delWordRight", "Alt-Backspace": "delWordLeft", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" - }; - - function getKeyMap(val) { - if (typeof val == "string") return keyMap[val]; - else return val; - } - function lookupKey(name, extraMap, map, handle, stop) { - function lookup(map) { - map = getKeyMap(map); - var found = map[name]; - if (found != null && handle(found)) return true; - if (map.nofallthrough) { - if (stop) stop(); - return true; - } - var fallthrough = map.fallthrough; - if (fallthrough == null) return false; - if (Object.prototype.toString.call(fallthrough) != "[object Array]") - return lookup(fallthrough); - for (var i = 0, e = fallthrough.length; i < e; ++i) { - if (lookup(fallthrough[i])) return true; - } - return false; - } - if (extraMap && lookup(extraMap)) return true; - return lookup(map); - } - function isModifierKey(event) { - var name = keyNames[e_prop(event, "keyCode")]; - return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; - } - - CodeMirror.fromTextArea = function(textarea, options) { - if (!options) options = {}; - options.value = textarea.value; - if (!options.tabindex && textarea.tabindex) - options.tabindex = textarea.tabindex; - if (options.autofocus == null && textarea.getAttribute("autofocus") != null) - options.autofocus = true; - - function save() {textarea.value = instance.getValue();} - if (textarea.form) { - // Deplorable hack to make the submit method do the right thing. - var rmSubmit = connect(textarea.form, "submit", save, true); - if (typeof textarea.form.submit == "function") { - var realSubmit = textarea.form.submit; - function wrappedSubmit() { - save(); - textarea.form.submit = realSubmit; - textarea.form.submit(); - textarea.form.submit = wrappedSubmit; - } - textarea.form.submit = wrappedSubmit; - } - } - - textarea.style.display = "none"; - var instance = CodeMirror(function(node) { - textarea.parentNode.insertBefore(node, textarea.nextSibling); - }, options); - instance.save = save; - instance.getTextArea = function() { return textarea; }; - instance.toTextArea = function() { - save(); - textarea.parentNode.removeChild(instance.getWrapperElement()); - textarea.style.display = ""; - if (textarea.form) { - rmSubmit(); - if (typeof textarea.form.submit == "function") - textarea.form.submit = realSubmit; - } - }; - return instance; - }; - - // Utility functions for working with state. Exported because modes - // sometimes need to do this. - function copyState(mode, state) { - if (state === true) return state; - if (mode.copyState) return mode.copyState(state); - var nstate = {}; - for (var n in state) { - var val = state[n]; - if (val instanceof Array) val = val.concat([]); - nstate[n] = val; - } - return nstate; - } - CodeMirror.copyState = copyState; - function startState(mode, a1, a2) { - return mode.startState ? mode.startState(a1, a2) : true; - } - CodeMirror.startState = startState; - - // The character stream used by a mode's parser. - function StringStream(string, tabSize) { - this.pos = this.start = 0; - this.string = string; - this.tabSize = tabSize || 8; - } - StringStream.prototype = { - eol: function() {return this.pos >= this.string.length;}, - sol: function() {return this.pos == 0;}, - peek: function() {return this.string.charAt(this.pos);}, - next: function() { - if (this.pos < this.string.length) - return this.string.charAt(this.pos++); - }, - eat: function(match) { - var ch = this.string.charAt(this.pos); - if (typeof match == "string") var ok = ch == match; - else var ok = ch && (match.test ? match.test(ch) : match(ch)); - if (ok) {++this.pos; return ch;} - }, - eatWhile: function(match) { - var start = this.pos; - while (this.eat(match)){} - return this.pos > start; - }, - eatSpace: function() { - var start = this.pos; - while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; - return this.pos > start; - }, - skipToEnd: function() {this.pos = this.string.length;}, - skipTo: function(ch) { - var found = this.string.indexOf(ch, this.pos); - if (found > -1) {this.pos = found; return true;} - }, - backUp: function(n) {this.pos -= n;}, - column: function() {return countColumn(this.string, this.start, this.tabSize);}, - indentation: function() {return countColumn(this.string, null, this.tabSize);}, - match: function(pattern, consume, caseInsensitive) { - if (typeof pattern == "string") { - function cased(str) {return caseInsensitive ? str.toLowerCase() : str;} - if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) { - if (consume !== false) this.pos += pattern.length; - return true; - } - } else { - var match = this.string.slice(this.pos).match(pattern); - if (match && consume !== false) this.pos += match[0].length; - return match; - } - }, - current: function(){return this.string.slice(this.start, this.pos);} - }; - CodeMirror.StringStream = StringStream; - - function MarkedText(from, to, className, marker) { - this.from = from; this.to = to; this.style = className; this.marker = marker; - } - MarkedText.prototype = { - attach: function(line) { this.marker.set.push(line); }, - detach: function(line) { - var ix = indexOf(this.marker.set, line); - if (ix > -1) this.marker.set.splice(ix, 1); - }, - split: function(pos, lenBefore) { - if (this.to <= pos && this.to != null) return null; - var from = this.from < pos || this.from == null ? null : this.from - pos + lenBefore; - var to = this.to == null ? null : this.to - pos + lenBefore; - return new MarkedText(from, to, this.style, this.marker); - }, - dup: function() { return new MarkedText(null, null, this.style, this.marker); }, - clipTo: function(fromOpen, from, toOpen, to, diff) { - if (fromOpen && to > this.from && (to < this.to || this.to == null)) - this.from = null; - else if (this.from != null && this.from >= from) - this.from = Math.max(to, this.from) + diff; - if (toOpen && (from < this.to || this.to == null) && (from > this.from || this.from == null)) - this.to = null; - else if (this.to != null && this.to > from) - this.to = to < this.to ? this.to + diff : from; - }, - isDead: function() { return this.from != null && this.to != null && this.from >= this.to; }, - sameSet: function(x) { return this.marker == x.marker; } - }; - - function Bookmark(pos) { - this.from = pos; this.to = pos; this.line = null; - } - Bookmark.prototype = { - attach: function(line) { this.line = line; }, - detach: function(line) { if (this.line == line) this.line = null; }, - split: function(pos, lenBefore) { - if (pos < this.from) { - this.from = this.to = (this.from - pos) + lenBefore; - return this; - } - }, - isDead: function() { return this.from > this.to; }, - clipTo: function(fromOpen, from, toOpen, to, diff) { - if ((fromOpen || from < this.from) && (toOpen || to > this.to)) { - this.from = 0; this.to = -1; - } else if (this.from > from) { - this.from = this.to = Math.max(to, this.from) + diff; - } - }, - sameSet: function(x) { return false; }, - find: function() { - if (!this.line || !this.line.parent) return null; - return {line: lineNo(this.line), ch: this.from}; - }, - clear: function() { - if (this.line) { - var found = indexOf(this.line.marked, this); - if (found != -1) this.line.marked.splice(found, 1); - this.line = null; - } - } - }; - - // Line objects. These hold state related to a line, including - // highlighting info (the styles array). - function Line(text, styles) { - this.styles = styles || [text, null]; - this.text = text; - this.height = 1; - this.marked = this.gutterMarker = this.className = this.bgClassName = this.handlers = null; - this.stateAfter = this.parent = this.hidden = null; - } - Line.inheritMarks = function(text, orig) { - var ln = new Line(text), mk = orig && orig.marked; - if (mk) { - for (var i = 0; i < mk.length; ++i) { - if (mk[i].to == null && mk[i].style) { - var newmk = ln.marked || (ln.marked = []), mark = mk[i]; - var nmark = mark.dup(); newmk.push(nmark); nmark.attach(ln); - } - } - } - return ln; - } - Line.prototype = { - // Replace a piece of a line, keeping the styles around it intact. - replace: function(from, to_, text) { - var st = [], mk = this.marked, to = to_ == null ? this.text.length : to_; - copyStyles(0, from, this.styles, st); - if (text) st.push(text, null); - copyStyles(to, this.text.length, this.styles, st); - this.styles = st; - this.text = this.text.slice(0, from) + text + this.text.slice(to); - this.stateAfter = null; - if (mk) { - var diff = text.length - (to - from); - for (var i = 0; i < mk.length; ++i) { - var mark = mk[i]; - mark.clipTo(from == null, from || 0, to_ == null, to, diff); - if (mark.isDead()) {mark.detach(this); mk.splice(i--, 1);} - } - } - }, - // Split a part off a line, keeping styles and markers intact. - split: function(pos, textBefore) { - var st = [textBefore, null], mk = this.marked; - copyStyles(pos, this.text.length, this.styles, st); - var taken = new Line(textBefore + this.text.slice(pos), st); - if (mk) { - for (var i = 0; i < mk.length; ++i) { - var mark = mk[i]; - var newmark = mark.split(pos, textBefore.length); - if (newmark) { - if (!taken.marked) taken.marked = []; - taken.marked.push(newmark); newmark.attach(taken); - if (newmark == mark) mk.splice(i--, 1); - } - } - } - return taken; - }, - append: function(line) { - var mylen = this.text.length, mk = line.marked, mymk = this.marked; - this.text += line.text; - copyStyles(0, line.text.length, line.styles, this.styles); - if (mymk) { - for (var i = 0; i < mymk.length; ++i) - if (mymk[i].to == null) mymk[i].to = mylen; - } - if (mk && mk.length) { - if (!mymk) this.marked = mymk = []; - outer: for (var i = 0; i < mk.length; ++i) { - var mark = mk[i]; - if (!mark.from) { - for (var j = 0; j < mymk.length; ++j) { - var mymark = mymk[j]; - if (mymark.to == mylen && mymark.sameSet(mark)) { - mymark.to = mark.to == null ? null : mark.to + mylen; - if (mymark.isDead()) { - mymark.detach(this); - mk.splice(i--, 1); - } - continue outer; - } - } - } - mymk.push(mark); - mark.attach(this); - mark.from += mylen; - if (mark.to != null) mark.to += mylen; - } - } - }, - fixMarkEnds: function(other) { - var mk = this.marked, omk = other.marked; - if (!mk) return; - outer: for (var i = 0; i < mk.length; ++i) { - var mark = mk[i], close = mark.to == null; - if (close && omk) { - for (var j = 0; j < omk.length; ++j) { - var om = omk[j]; - if (!om.sameSet(mark) || om.from != null) continue - if (mark.from == this.text.length && om.to == 0) { - omk.splice(j, 1); - mk.splice(i--, 1); - continue outer; - } else { - close = false; break; - } - } - } - if (close) mark.to = this.text.length; - } - }, - fixMarkStarts: function() { - var mk = this.marked; - if (!mk) return; - for (var i = 0; i < mk.length; ++i) - if (mk[i].from == null) mk[i].from = 0; - }, - addMark: function(mark) { - mark.attach(this); - if (this.marked == null) this.marked = []; - this.marked.push(mark); - this.marked.sort(function(a, b){return (a.from || 0) - (b.from || 0);}); - }, - // Run the given mode's parser over a line, update the styles - // array, which contains alternating fragments of text and CSS - // classes. - highlight: function(mode, state, tabSize) { - var stream = new StringStream(this.text, tabSize), st = this.styles, pos = 0; - var changed = false, curWord = st[0], prevWord; - if (this.text == "" && mode.blankLine) mode.blankLine(state); - while (!stream.eol()) { - var style = mode.token(stream, state); - var substr = this.text.slice(stream.start, stream.pos); - stream.start = stream.pos; - if (pos && st[pos-1] == style) - st[pos-2] += substr; - else if (substr) { - if (!changed && (st[pos+1] != style || (pos && st[pos-2] != prevWord))) changed = true; - st[pos++] = substr; st[pos++] = style; - prevWord = curWord; curWord = st[pos]; - } - // Give up when line is ridiculously long - if (stream.pos > 5000) { - st[pos++] = this.text.slice(stream.pos); st[pos++] = null; - break; - } - } - if (st.length != pos) {st.length = pos; changed = true;} - if (pos && st[pos-2] != prevWord) changed = true; - // Short lines with simple highlights return null, and are - // counted as changed by the driver because they are likely to - // highlight the same way in various contexts. - return changed || (st.length < 5 && this.text.length < 10 ? null : false); - }, - // Fetch the parser token for a given character. Useful for hacks - // that want to inspect the mode state (say, for completion). - getTokenAt: function(mode, state, ch) { - var txt = this.text, stream = new StringStream(txt); - while (stream.pos < ch && !stream.eol()) { - stream.start = stream.pos; - var style = mode.token(stream, state); - } - return {start: stream.start, - end: stream.pos, - string: stream.current(), - className: style || null, - state: state}; - }, - indentation: function(tabSize) {return countColumn(this.text, null, tabSize);}, - // Produces an HTML fragment for the line, taking selection, - // marking, and highlighting into account. - getHTML: function(makeTab, wrapAt, wrapId, wrapWBR) { - var html = [], first = true, col = 0; - function span_(text, style) { - if (!text) return; - // Work around a bug where, in some compat modes, IE ignores leading spaces - if (first && ie && text.charAt(0) == " ") text = "\u00a0" + text.slice(1); - first = false; - if (text.indexOf("\t") == -1) { - col += text.length; - var escaped = htmlEscape(text); - } else { - var escaped = ""; - for (var pos = 0;;) { - var idx = text.indexOf("\t", pos); - if (idx == -1) { - escaped += htmlEscape(text.slice(pos)); - col += text.length - pos; - break; - } else { - col += idx - pos; - var tab = makeTab(col); - escaped += htmlEscape(text.slice(pos, idx)) + tab.html; - col += tab.width; - pos = idx + 1; - } - } - } - if (style) html.push('', escaped, ""); - else html.push(escaped); - } - var span = span_; - if (wrapAt != null) { - var outPos = 0, open = ""; - span = function(text, style) { - var l = text.length; - if (wrapAt >= outPos && wrapAt < outPos + l) { - if (wrapAt > outPos) { - span_(text.slice(0, wrapAt - outPos), style); - // See comment at the definition of spanAffectsWrapping - if (wrapWBR) html.push(""); - } - html.push(open); - var cut = wrapAt - outPos; - span_(opera ? text.slice(cut, cut + 1) : text.slice(cut), style); - html.push(""); - if (opera) span_(text.slice(cut + 1), style); - wrapAt--; - outPos += l; - } else { - outPos += l; - span_(text, style); - // Output empty wrapper when at end of line - // (Gecko and IE8+ do strange wrapping when adding a space - // to the end of the line. Other browsers don't react well - // to zero-width spaces. So we do hideous browser sniffing - // to determine which to use.) - if (outPos == wrapAt && outPos == len) - html.push(open + (gecko || (ie && !ie_lt8) ? "​" : " ") + ""); - // Stop outputting HTML when gone sufficiently far beyond measure - else if (outPos > wrapAt + 10 && /\s/.test(text)) span = function(){}; - } - } - } - - var st = this.styles, allText = this.text, marked = this.marked; - var len = allText.length; - function styleToClass(style) { - if (!style) return null; - return "cm-" + style.replace(/ +/g, " cm-"); - } - - if (!allText && wrapAt == null) { - span(" "); - } else if (!marked || !marked.length) { - for (var i = 0, ch = 0; ch < len; i+=2) { - var str = st[i], style = st[i+1], l = str.length; - if (ch + l > len) str = str.slice(0, len - ch); - ch += l; - span(str, styleToClass(style)); - } - } else { - var pos = 0, i = 0, text = "", style, sg = 0; - var nextChange = marked[0].from || 0, marks = [], markpos = 0; - function advanceMarks() { - var m; - while (markpos < marked.length && - ((m = marked[markpos]).from == pos || m.from == null)) { - if (m.style != null) marks.push(m); - ++markpos; - } - nextChange = markpos < marked.length ? marked[markpos].from : Infinity; - for (var i = 0; i < marks.length; ++i) { - var to = marks[i].to; - if (to == null) to = Infinity; - if (to == pos) marks.splice(i--, 1); - else nextChange = Math.min(to, nextChange); - } - } - var m = 0; - while (pos < len) { - if (nextChange == pos) advanceMarks(); - var upto = Math.min(len, nextChange); - while (true) { - if (text) { - var end = pos + text.length; - var appliedStyle = style; - for (var j = 0; j < marks.length; ++j) - appliedStyle = (appliedStyle ? appliedStyle + " " : "") + marks[j].style; - span(end > upto ? text.slice(0, upto - pos) : text, appliedStyle); - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} - pos = end; - } - text = st[i++]; style = styleToClass(st[i++]); - } - } - } - return html.join(""); - }, - cleanUp: function() { - this.parent = null; - if (this.marked) - for (var i = 0, e = this.marked.length; i < e; ++i) this.marked[i].detach(this); - } - }; - // Utility used by replace and split above - function copyStyles(from, to, source, dest) { - for (var i = 0, pos = 0, state = 0; pos < to; i+=2) { - var part = source[i], end = pos + part.length; - if (state == 0) { - if (end > from) dest.push(part.slice(from - pos, Math.min(part.length, to - pos)), source[i+1]); - if (end >= from) state = 1; - } else if (state == 1) { - if (end > to) dest.push(part.slice(0, to - pos), source[i+1]); - else dest.push(part, source[i+1]); - } - pos = end; - } - } - - // Data structure that holds the sequence of lines. - function LeafChunk(lines) { - this.lines = lines; - this.parent = null; - for (var i = 0, e = lines.length, height = 0; i < e; ++i) { - lines[i].parent = this; - height += lines[i].height; - } - this.height = height; - } - LeafChunk.prototype = { - chunkSize: function() { return this.lines.length; }, - remove: function(at, n, callbacks) { - for (var i = at, e = at + n; i < e; ++i) { - var line = this.lines[i]; - this.height -= line.height; - line.cleanUp(); - if (line.handlers) - for (var j = 0; j < line.handlers.length; ++j) callbacks.push(line.handlers[j]); - } - this.lines.splice(at, n); - }, - collapse: function(lines) { - lines.splice.apply(lines, [lines.length, 0].concat(this.lines)); - }, - insertHeight: function(at, lines, height) { - this.height += height; - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); - for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this; - }, - iterN: function(at, n, op) { - for (var e = at + n; at < e; ++at) - if (op(this.lines[at])) return true; - } - }; - function BranchChunk(children) { - this.children = children; - var size = 0, height = 0; - for (var i = 0, e = children.length; i < e; ++i) { - var ch = children[i]; - size += ch.chunkSize(); height += ch.height; - ch.parent = this; - } - this.size = size; - this.height = height; - this.parent = null; - } - BranchChunk.prototype = { - chunkSize: function() { return this.size; }, - remove: function(at, n, callbacks) { - this.size -= n; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var rm = Math.min(n, sz - at), oldHeight = child.height; - child.remove(at, rm, callbacks); - this.height -= oldHeight - child.height; - if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } - if ((n -= rm) == 0) break; - at = 0; - } else at -= sz; - } - if (this.size - n < 25) { - var lines = []; - this.collapse(lines); - this.children = [new LeafChunk(lines)]; - this.children[0].parent = this; - } - }, - collapse: function(lines) { - for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines); - }, - insert: function(at, lines) { - var height = 0; - for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height; - this.insertHeight(at, lines, height); - }, - insertHeight: function(at, lines, height) { - this.size += lines.length; - this.height += height; - for (var i = 0, e = this.children.length; i < e; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at <= sz) { - child.insertHeight(at, lines, height); - if (child.lines && child.lines.length > 50) { - while (child.lines.length > 50) { - var spilled = child.lines.splice(child.lines.length - 25, 25); - var newleaf = new LeafChunk(spilled); - child.height -= newleaf.height; - this.children.splice(i + 1, 0, newleaf); - newleaf.parent = this; - } - this.maybeSpill(); - } - break; - } - at -= sz; - } - }, - maybeSpill: function() { - if (this.children.length <= 10) return; - var me = this; - do { - var spilled = me.children.splice(me.children.length - 5, 5); - var sibling = new BranchChunk(spilled); - if (!me.parent) { // Become the parent node - var copy = new BranchChunk(me.children); - copy.parent = me; - me.children = [copy, sibling]; - me = copy; - } else { - me.size -= sibling.size; - me.height -= sibling.height; - var myIndex = indexOf(me.parent.children, me); - me.parent.children.splice(myIndex + 1, 0, sibling); - } - sibling.parent = me.parent; - } while (me.children.length > 10); - me.parent.maybeSpill(); - }, - iter: function(from, to, op) { this.iterN(from, to - from, op); }, - iterN: function(at, n, op) { - for (var i = 0, e = this.children.length; i < e; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var used = Math.min(n, sz - at); - if (child.iterN(at, used, op)) return true; - if ((n -= used) == 0) break; - at = 0; - } else at -= sz; - } - } - }; - - function getLineAt(chunk, n) { - while (!chunk.lines) { - for (var i = 0;; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; break; } - n -= sz; - } - } - return chunk.lines[n]; - } - function lineNo(line) { - if (line.parent == null) return null; - var cur = line.parent, no = indexOf(cur.lines, line); - for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { - for (var i = 0, e = chunk.children.length; ; ++i) { - if (chunk.children[i] == cur) break; - no += chunk.children[i].chunkSize(); - } - } - return no; - } - function lineAtHeight(chunk, h) { - var n = 0; - outer: do { - for (var i = 0, e = chunk.children.length; i < e; ++i) { - var child = chunk.children[i], ch = child.height; - if (h < ch) { chunk = child; continue outer; } - h -= ch; - n += child.chunkSize(); - } - return n; - } while (!chunk.lines); - for (var i = 0, e = chunk.lines.length; i < e; ++i) { - var line = chunk.lines[i], lh = line.height; - if (h < lh) break; - h -= lh; - } - return n + i; - } - function heightAtLine(chunk, n) { - var h = 0; - outer: do { - for (var i = 0, e = chunk.children.length; i < e; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; continue outer; } - n -= sz; - h += child.height; - } - return h; - } while (!chunk.lines); - for (var i = 0; i < n; ++i) h += chunk.lines[i].height; - return h; - } - - // The history object 'chunks' changes that are made close together - // and at almost the same time into bigger undoable units. - function History() { - this.time = 0; - this.done = []; this.undone = []; - this.compound = 0; - this.closed = false; - } - History.prototype = { - addChange: function(start, added, old) { - this.undone.length = 0; - var time = +new Date, cur = this.done[this.done.length - 1], last = cur && cur[cur.length - 1]; - var dtime = time - this.time; - - if (this.compound && cur && !this.closed) { - cur.push({start: start, added: added, old: old}); - } else if (dtime > 400 || !last || this.closed || - last.start > start + old.length || last.start + last.added < start) { - this.done.push([{start: start, added: added, old: old}]); - this.closed = false; - } else { - var startBefore = Math.max(0, last.start - start), - endAfter = Math.max(0, (start + old.length) - (last.start + last.added)); - for (var i = startBefore; i > 0; --i) last.old.unshift(old[i - 1]); - for (var i = endAfter; i > 0; --i) last.old.push(old[old.length - i]); - if (startBefore) last.start = start; - last.added += added - (old.length - startBefore - endAfter); - } - this.time = time; - }, - startCompound: function() { - if (!this.compound++) this.closed = true; - }, - endCompound: function() { - if (!--this.compound) this.closed = true; - } - }; - - function stopMethod() {e_stop(this);} - // Ensure an event has a stop method. - function addStop(event) { - if (!event.stop) event.stop = stopMethod; - return event; - } - - function e_preventDefault(e) { - if (e.preventDefault) e.preventDefault(); - else e.returnValue = false; - } - function e_stopPropagation(e) { - if (e.stopPropagation) e.stopPropagation(); - else e.cancelBubble = true; - } - function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} - CodeMirror.e_stop = e_stop; - CodeMirror.e_preventDefault = e_preventDefault; - CodeMirror.e_stopPropagation = e_stopPropagation; - - function e_target(e) {return e.target || e.srcElement;} - function e_button(e) { - var b = e.which; - if (b == null) { - if (e.button & 1) b = 1; - else if (e.button & 2) b = 3; - else if (e.button & 4) b = 2; - } - if (mac && e.ctrlKey && b == 1) b = 3; - return b; - } - - // Allow 3rd-party code to override event properties by adding an override - // object to an event object. - function e_prop(e, prop) { - var overridden = e.override && e.override.hasOwnProperty(prop); - return overridden ? e.override[prop] : e[prop]; - } - - // Event handler registration. If disconnect is true, it'll return a - // function that unregisters the handler. - function connect(node, type, handler, disconnect) { - if (typeof node.addEventListener == "function") { - node.addEventListener(type, handler, false); - if (disconnect) return function() {node.removeEventListener(type, handler, false);}; - } else { - var wrapHandler = function(event) {handler(event || window.event);}; - node.attachEvent("on" + type, wrapHandler); - if (disconnect) return function() {node.detachEvent("on" + type, wrapHandler);}; - } - } - CodeMirror.connect = connect; - - function Delayed() {this.id = null;} - Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}}; - - var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; - - var gecko = /gecko\/\d{7}/i.test(navigator.userAgent); - var ie = /MSIE \d/.test(navigator.userAgent); - var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent); - var ie_lt9 = /MSIE [1-8]\b/.test(navigator.userAgent); - var quirksMode = ie && document.documentMode == 5; - var webkit = /WebKit\//.test(navigator.userAgent); - var chrome = /Chrome\//.test(navigator.userAgent); - var opera = /Opera\//.test(navigator.userAgent); - var safari = /Apple Computer/.test(navigator.vendor); - var khtml = /KHTML\//.test(navigator.userAgent); - var mac_geLion = /Mac OS X 10\D([7-9]|\d\d)\D/.test(navigator.userAgent); - - // Detect drag-and-drop - var dragAndDrop = function() { - // There is *some* kind of drag-and-drop support in IE6-8, but I - // couldn't get it to work yet. - if (ie_lt9) return false; - var div = document.createElement('div'); - return "draggable" in div || "dragDrop" in div; - }(); - - // Feature-detect whether newlines in textareas are converted to \r\n - var lineSep = function () { - var te = document.createElement("textarea"); - te.value = "foo\nbar"; - if (te.value.indexOf("\r") > -1) return "\r\n"; - return "\n"; - }(); - - // For a reason I have yet to figure out, some browsers disallow - // word wrapping between certain characters *only* if a new inline - // element is started between them. This makes it hard to reliably - // measure the position of things, since that requires inserting an - // extra span. This terribly fragile set of regexps matches the - // character combinations that suffer from this phenomenon on the - // various browsers. - var spanAffectsWrapping = /^$/; // Won't match any two-character string - if (gecko) spanAffectsWrapping = /$'/; - else if (safari) spanAffectsWrapping = /\-[^ \-?]|\?[^ !'\"\),.\-\/:;\?\]\}]/; - else if (chrome) spanAffectsWrapping = /\-[^ \-\.?]|\?[^ \-\.?\]\}:;!'\"\),\/]|[\.!\"#&%\)*+,:;=>\]|\}~][\(\{\[<]|\$'/; - - // Counts the column offset in a string, taking tabs into account. - // Used mostly to find indentation. - function countColumn(string, end, tabSize) { - if (end == null) { - end = string.search(/[^\s\u00a0]/); - if (end == -1) end = string.length; - } - for (var i = 0, n = 0; i < end; ++i) { - if (string.charAt(i) == "\t") n += tabSize - (n % tabSize); - else ++n; - } - return n; - } - - function computedStyle(elt) { - if (elt.currentStyle) return elt.currentStyle; - return window.getComputedStyle(elt, null); - } - - function eltOffset(node, screen) { - // Take the parts of bounding client rect that we are interested in so we are able to edit if need be, - // since the returned value cannot be changed externally (they are kept in sync as the element moves within the page) - try { var box = node.getBoundingClientRect(); box = { top: box.top, left: box.left }; } - catch(e) { box = {top: 0, left: 0}; } - if (!screen) { - // Get the toplevel scroll, working around browser differences. - if (window.pageYOffset == null) { - var t = document.documentElement || document.body.parentNode; - if (t.scrollTop == null) t = document.body; - box.top += t.scrollTop; box.left += t.scrollLeft; - } else { - box.top += window.pageYOffset; box.left += window.pageXOffset; - } - } - return box; - } - - // Get a node's text content. - function eltText(node) { - return node.textContent || node.innerText || node.nodeValue || ""; - } - function selectInput(node) { - if (ios) { // Mobile Safari apparently has a bug where select() is broken. - node.selectionStart = 0; - node.selectionEnd = node.value.length; - } else node.select(); - } - - // Operations on {line, ch} objects. - function posEq(a, b) {return a.line == b.line && a.ch == b.ch;} - function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);} - function copyPos(x) {return {line: x.line, ch: x.ch};} - - var escapeElement = document.createElement("pre"); - function htmlEscape(str) { - escapeElement.textContent = str; - return escapeElement.innerHTML; - } - // Recent (late 2011) Opera betas insert bogus newlines at the start - // of the textContent, so we strip those. - if (htmlEscape("a") == "\na") { - htmlEscape = function(str) { - escapeElement.textContent = str; - return escapeElement.innerHTML.slice(1); - }; - // Some IEs don't preserve tabs through innerHTML - } else if (htmlEscape("\t") != "\t") { - htmlEscape = function(str) { - escapeElement.innerHTML = ""; - escapeElement.appendChild(document.createTextNode(str)); - return escapeElement.innerHTML; - }; - } - CodeMirror.htmlEscape = htmlEscape; - - // Used to position the cursor after an undo/redo by finding the - // last edited character. - function editEnd(from, to) { - if (!to) return 0; - if (!from) return to.length; - for (var i = from.length, j = to.length; i >= 0 && j >= 0; --i, --j) - if (from.charAt(i) != to.charAt(j)) break; - return j + 1; - } - - function indexOf(collection, elt) { - if (collection.indexOf) return collection.indexOf(elt); - for (var i = 0, e = collection.length; i < e; ++i) - if (collection[i] == elt) return i; - return -1; - } - function isWordChar(ch) { - return /\w/.test(ch) || ch.toUpperCase() != ch.toLowerCase(); - } - - // See if "".split is the broken IE version, if so, provide an - // alternative way to split lines. - var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { - var pos = 0, result = [], l = string.length; - while (pos <= l) { - var nl = string.indexOf("\n", pos); - if (nl == -1) nl = string.length; - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); - var rt = line.indexOf("\r"); - if (rt != -1) { - result.push(line.slice(0, rt)); - pos += rt + 1; - } else { - result.push(line); - pos = nl + 1; - } - } - return result; - } : function(string){return string.split(/\r\n?|\n/);}; - CodeMirror.splitLines = splitLines; - - var hasSelection = window.getSelection ? function(te) { - try { return te.selectionStart != te.selectionEnd; } - catch(e) { return false; } - } : function(te) { - try {var range = te.ownerDocument.selection.createRange();} - catch(e) {} - if (!range || range.parentElement() != te) return false; - return range.compareEndPoints("StartToEnd", range) != 0; - }; - - CodeMirror.defineMode("null", function() { - return {token: function(stream) {stream.skipToEnd();}}; - }); - CodeMirror.defineMIME("text/plain", "null"); - - var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 109: "-", 107: "=", 127: "Delete", - 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 63276: "PageUp", 63277: "PageDown", 63275: "End", 63273: "Home", - 63234: "Left", 63232: "Up", 63235: "Right", 63233: "Down", 63302: "Insert", 63272: "Delete"}; - CodeMirror.keyNames = keyNames; - (function() { - // Number keys - for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i); - // Alphabetic keys - for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); - // Function keys - for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; - })(); - - return CodeMirror; -})(); \ No newline at end of file +// CodeMirror version 2.35 +// +// All functions that need access to the editor's state live inside +// the CodeMirror function. Below that, at the bottom of the file, +// some utilities are defined. + +// CodeMirror is the only global var we claim +window.CodeMirror = (function() { + "use strict"; + // This is the function that produces an editor instance. Its + // closure is used to store the editor state. + function CodeMirror(place, givenOptions) { + // Determine effective options based on given values and defaults. + var options = {}, defaults = CodeMirror.defaults; + for (var opt in defaults) + if (defaults.hasOwnProperty(opt)) + options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt]; + + var input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em"); + input.setAttribute("wrap", "off"); input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off"); + // Wraps and hides input textarea + var inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + // The empty scrollbar content, used solely for managing the scrollbar thumb. + var scrollbarInner = elt("div", null, "CodeMirror-scrollbar-inner"); + // The vertical scrollbar. Horizontal scrolling is handled by the scroller itself. + var scrollbar = elt("div", [scrollbarInner], "CodeMirror-scrollbar"); + // DIVs containing the selection and the actual code + var lineDiv = elt("div"), selectionDiv = elt("div", null, null, "position: relative; z-index: -1"); + // Blinky cursor, and element used to ensure cursor fits at the end of a line + var cursor = elt("pre", "\u00a0", "CodeMirror-cursor"), widthForcer = elt("pre", "\u00a0", "CodeMirror-cursor", "visibility: hidden"); + // Used to measure text size + var measure = elt("div", null, null, "position: absolute; width: 100%; height: 0px; overflow: hidden; visibility: hidden;"); + var lineSpace = elt("div", [measure, cursor, widthForcer, selectionDiv, lineDiv], null, "position: relative; z-index: 0"); + var gutterText = elt("div", null, "CodeMirror-gutter-text"), gutter = elt("div", [gutterText], "CodeMirror-gutter"); + // Moved around its parent to cover visible view + var mover = elt("div", [gutter, elt("div", [lineSpace], "CodeMirror-lines")], null, "position: relative"); + // Set to the height of the text, causes scrolling + var sizer = elt("div", [mover], null, "position: relative"); + // Provides scrolling + var scroller = elt("div", [sizer], "CodeMirror-scroll"); + scroller.setAttribute("tabIndex", "-1"); + // The element in which the editor lives. + var wrapper = elt("div", [inputDiv, scrollbar, scroller], "CodeMirror" + (options.lineWrapping ? " CodeMirror-wrap" : "")); + if (place.appendChild) place.appendChild(wrapper); else place(wrapper); + + themeChanged(); keyMapChanged(); + // Needed to hide big blue blinking cursor on Mobile Safari + if (ios) input.style.width = "0px"; + if (!webkit) scroller.draggable = true; + lineSpace.style.outline = "none"; + if (options.tabindex != null) input.tabIndex = options.tabindex; + if (options.autofocus) focusInput(); + if (!options.gutter && !options.lineNumbers) gutter.style.display = "none"; + // Needed to handle Tab key in KHTML + if (khtml) inputDiv.style.height = "1px", inputDiv.style.position = "absolute"; + + // Check for OS X >= 10.7. This has transparent scrollbars, so the + // overlaying of one scrollbar with another won't work. This is a + // temporary hack to simply turn off the overlay scrollbar. See + // issue #727. + if (mac_geLion) { scrollbar.style.zIndex = -2; scrollbar.style.visibility = "hidden"; } + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + else if (ie_lt8) scrollbar.style.minWidth = "18px"; + + // Delayed object wrap timeouts, making sure only one is active. blinker holds an interval. + var poll = new Delayed(), highlight = new Delayed(), blinker; + + // mode holds a mode API object. doc is the tree of Line objects, + // frontier is the point up to which the content has been parsed, + // and history the undo history (instance of History constructor). + var mode, doc = new BranchChunk([new LeafChunk([new Line("")])]), frontier = 0, focused; + loadMode(); + // The selection. These are always maintained to point at valid + // positions. Inverted is used to remember that the user is + // selecting bottom-to-top. + var sel = {from: {line: 0, ch: 0}, to: {line: 0, ch: 0}, inverted: false}; + // Selection-related flags. shiftSelecting obviously tracks + // whether the user is holding shift. + var shiftSelecting, lastClick, lastDoubleClick, lastScrollTop = 0, draggingText, + overwrite = false, suppressEdits = false, pasteIncoming = false; + // Variables used by startOperation/endOperation to track what + // happened during the operation. + var updateInput, userSelChange, changes, textChanged, selectionChanged, + gutterDirty, callbacks; + // Current visible range (may be bigger than the view window). + var displayOffset = 0, showingFrom = 0, showingTo = 0, lastSizeC = 0; + // bracketHighlighted is used to remember that a bracket has been + // marked. + var bracketHighlighted; + // Tracks the maximum line length so that the horizontal scrollbar + // can be kept static when scrolling. + var maxLine = getLine(0), updateMaxLine = false, maxLineChanged = true; + var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll + var goalColumn = null; + + // Initialize the content. + operation(function(){setValue(options.value || ""); updateInput = false;})(); + var history = new History(); + + // Register our event handlers. + connect(scroller, "mousedown", operation(onMouseDown)); + connect(scroller, "dblclick", operation(onDoubleClick)); + connect(lineSpace, "selectstart", e_preventDefault); + // Gecko browsers fire contextmenu *after* opening the menu, at + // which point we can't mess with it anymore. Context menu is + // handled in onMouseDown for Gecko. + if (!gecko) connect(scroller, "contextmenu", onContextMenu); + connect(scroller, "scroll", onScrollMain); + connect(scrollbar, "scroll", onScrollBar); + connect(scrollbar, "mousedown", function() {if (focused) setTimeout(focusInput, 0);}); + var resizeHandler = connect(window, "resize", function() { + if (wrapper.parentNode) updateDisplay(true); + else resizeHandler(); + }, true); + connect(input, "keyup", operation(onKeyUp)); + connect(input, "input", fastPoll); + connect(input, "keydown", operation(onKeyDown)); + connect(input, "keypress", operation(onKeyPress)); + connect(input, "focus", onFocus); + connect(input, "blur", onBlur); + + function drag_(e) { + if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; + e_stop(e); + } + if (options.dragDrop) { + connect(scroller, "dragstart", onDragStart); + connect(scroller, "dragenter", drag_); + connect(scroller, "dragover", drag_); + connect(scroller, "drop", operation(onDrop)); + } + connect(scroller, "paste", function(){focusInput(); fastPoll();}); + connect(input, "paste", function(){pasteIncoming = true; fastPoll();}); + connect(input, "cut", operation(function(){ + if (!options.readOnly) replaceSelection(""); + })); + + // Needed to handle Tab key in KHTML + if (khtml) connect(sizer, "mouseup", function() { + if (document.activeElement == input) input.blur(); + focusInput(); + }); + + // IE throws unspecified error in certain cases, when + // trying to access activeElement before onload + var hasFocus; try { hasFocus = (document.activeElement == input); } catch(e) { } + if (hasFocus || options.autofocus) setTimeout(onFocus, 20); + else onBlur(); + + function isLine(l) {return l >= 0 && l < doc.size;} + // The instance object that we'll return. Mostly calls out to + // local functions in the CodeMirror function. Some do some extra + // range checking and/or clipping. operation is used to wrap the + // call so that changes it makes are tracked, and the display is + // updated afterwards. + var instance = wrapper.CodeMirror = { + getValue: getValue, + setValue: operation(setValue), + getSelection: getSelection, + replaceSelection: operation(replaceSelection), + focus: function(){window.focus(); focusInput(); onFocus(); fastPoll();}, + setOption: function(option, value) { + var oldVal = options[option]; + options[option] = value; + if (option == "mode" || option == "indentUnit") loadMode(); + else if (option == "readOnly" && value == "nocursor") {onBlur(); input.blur();} + else if (option == "readOnly" && !value) {resetInput(true);} + else if (option == "theme") themeChanged(); + else if (option == "lineWrapping" && oldVal != value) operation(wrappingChanged)(); + else if (option == "tabSize") updateDisplay(true); + else if (option == "keyMap") keyMapChanged(); + else if (option == "tabindex") input.tabIndex = value; + if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber" || + option == "theme" || option == "lineNumberFormatter") { + gutterChanged(); + updateDisplay(true); + } + }, + getOption: function(option) {return options[option];}, + getMode: function() {return mode;}, + undo: operation(undo), + redo: operation(redo), + indentLine: operation(function(n, dir) { + if (typeof dir != "string") { + if (dir == null) dir = options.smartIndent ? "smart" : "prev"; + else dir = dir ? "add" : "subtract"; + } + if (isLine(n)) indentLine(n, dir); + }), + indentSelection: operation(indentSelected), + historySize: function() {return {undo: history.done.length, redo: history.undone.length};}, + clearHistory: function() {history = new History();}, + setHistory: function(histData) { + history = new History(); + history.done = histData.done; + history.undone = histData.undone; + }, + getHistory: function() { + function cp(arr) { + for (var i = 0, nw = [], nwelt; i < arr.length; ++i) { + nw.push(nwelt = []); + for (var j = 0, elt = arr[i]; j < elt.length; ++j) { + var old = [], cur = elt[j]; + nwelt.push({start: cur.start, added: cur.added, old: old}); + for (var k = 0; k < cur.old.length; ++k) old.push(hlText(cur.old[k])); + } + } + return nw; + } + return {done: cp(history.done), undone: cp(history.undone)}; + }, + matchBrackets: operation(function(){matchBrackets(true);}), + getTokenAt: operation(function(pos) { + pos = clipPos(pos); + return getLine(pos.line).getTokenAt(mode, getStateBefore(pos.line), options.tabSize, pos.ch); + }), + getStateAfter: function(line) { + line = clipLine(line == null ? doc.size - 1: line); + return getStateBefore(line + 1); + }, + cursorCoords: function(start, mode) { + if (start == null) start = sel.inverted; + return this.charCoords(start ? sel.from : sel.to, mode); + }, + charCoords: function(pos, mode) { + pos = clipPos(pos); + if (mode == "local") return localCoords(pos, false); + if (mode == "div") return localCoords(pos, true); + return pageCoords(pos); + }, + coordsChar: function(coords) { + var off = eltOffset(lineSpace); + return coordsChar(coords.x - off.left, coords.y - off.top); + }, + markText: operation(markText), + setBookmark: setBookmark, + findMarksAt: findMarksAt, + setMarker: operation(addGutterMarker), + clearMarker: operation(removeGutterMarker), + setLineClass: operation(setLineClass), + hideLine: operation(function(h) {return setLineHidden(h, true);}), + showLine: operation(function(h) {return setLineHidden(h, false);}), + onDeleteLine: function(line, f) { + if (typeof line == "number") { + if (!isLine(line)) return null; + line = getLine(line); + } + (line.handlers || (line.handlers = [])).push(f); + return line; + }, + lineInfo: lineInfo, + getViewport: function() { return {from: showingFrom, to: showingTo};}, + addWidget: function(pos, node, scroll, vert, horiz) { + pos = localCoords(clipPos(pos)); + var top = pos.yBot, left = pos.x; + node.style.position = "absolute"; + sizer.appendChild(node); + if (vert == "over") top = pos.y; + else if (vert == "near") { + var vspace = Math.max(scroller.offsetHeight, doc.height * textHeight()), + hspace = Math.max(sizer.clientWidth, lineSpace.clientWidth) - paddingLeft(); + if (pos.yBot + node.offsetHeight > vspace && pos.y > node.offsetHeight) + top = pos.y - node.offsetHeight; + if (left + node.offsetWidth > hspace) + left = hspace - node.offsetWidth; + } + node.style.top = (top + paddingTop()) + "px"; + node.style.left = node.style.right = ""; + if (horiz == "right") { + left = sizer.clientWidth - node.offsetWidth; + node.style.right = "0px"; + } else { + if (horiz == "left") left = 0; + else if (horiz == "middle") left = (sizer.clientWidth - node.offsetWidth) / 2; + node.style.left = (left + paddingLeft()) + "px"; + } + if (scroll) + scrollIntoView(left, top, left + node.offsetWidth, top + node.offsetHeight); + }, + + lineCount: function() {return doc.size;}, + clipPos: clipPos, + getCursor: function(start) { + if (start == null) start = sel.inverted; + return copyPos(start ? sel.from : sel.to); + }, + somethingSelected: function() {return !posEq(sel.from, sel.to);}, + setCursor: operation(function(line, ch, user) { + if (ch == null && typeof line.line == "number") setCursor(line.line, line.ch, user); + else setCursor(line, ch, user); + }), + setSelection: operation(function(from, to, user) { + (user ? setSelectionUser : setSelection)(clipPos(from), clipPos(to || from)); + }), + getLine: function(line) {if (isLine(line)) return getLine(line).text;}, + getLineHandle: function(line) {if (isLine(line)) return getLine(line);}, + setLine: operation(function(line, text) { + if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: getLine(line).text.length}); + }), + removeLine: operation(function(line) { + if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0})); + }), + replaceRange: operation(replaceRange), + getRange: function(from, to, lineSep) {return getRange(clipPos(from), clipPos(to), lineSep);}, + + triggerOnKeyDown: operation(onKeyDown), + execCommand: function(cmd) {return commands[cmd](instance);}, + // Stuff used by commands, probably not much use to outside code. + moveH: operation(moveH), + deleteH: operation(deleteH), + moveV: operation(moveV), + toggleOverwrite: function() { + if(overwrite){ + overwrite = false; + cursor.className = cursor.className.replace(" CodeMirror-overwrite", ""); + } else { + overwrite = true; + cursor.className += " CodeMirror-overwrite"; + } + }, + + posFromIndex: function(off) { + var lineNo = 0, ch; + doc.iter(0, doc.size, function(line) { + var sz = line.text.length + 1; + if (sz > off) { ch = off; return true; } + off -= sz; + ++lineNo; + }); + return clipPos({line: lineNo, ch: ch}); + }, + indexFromPos: function (coords) { + if (coords.line < 0 || coords.ch < 0) return 0; + var index = coords.ch; + doc.iter(0, coords.line, function (line) { + index += line.text.length + 1; + }); + return index; + }, + scrollTo: function(x, y) { + if (x != null) scroller.scrollLeft = x; + if (y != null) scrollbar.scrollTop = scroller.scrollTop = y; + updateDisplay([]); + }, + getScrollInfo: function() { + return {x: scroller.scrollLeft, y: scrollbar.scrollTop, + height: scrollbar.scrollHeight, width: scroller.scrollWidth}; + }, + setSize: function(width, height) { + function interpret(val) { + val = String(val); + return /^\d+$/.test(val) ? val + "px" : val; + } + if (width != null) wrapper.style.width = interpret(width); + if (height != null) scroller.style.height = interpret(height); + instance.refresh(); + }, + + operation: function(f){return operation(f)();}, + compoundChange: function(f){return compoundChange(f);}, + refresh: function(){ + updateDisplay(true, null, lastScrollTop); + if (scrollbar.scrollHeight > lastScrollTop) + scrollbar.scrollTop = lastScrollTop; + }, + getInputField: function(){return input;}, + getWrapperElement: function(){return wrapper;}, + getScrollerElement: function(){return scroller;}, + getGutterElement: function(){return gutter;} + }; + + function getLine(n) { return getLineAt(doc, n); } + function updateLineHeight(line, height) { + gutterDirty = true; + var diff = height - line.height; + for (var n = line; n; n = n.parent) n.height += diff; + } + + function lineContent(line, wrapAt) { + if (!line.styles) + line.highlight(mode, line.stateAfter = getStateBefore(lineNo(line)), options.tabSize); + return line.getContent(options.tabSize, wrapAt, options.lineWrapping); + } + + function setValue(code) { + var top = {line: 0, ch: 0}; + updateLines(top, {line: doc.size - 1, ch: getLine(doc.size-1).text.length}, + splitLines(code), top, top); + updateInput = true; + } + function getValue(lineSep) { + var text = []; + doc.iter(0, doc.size, function(line) { text.push(line.text); }); + return text.join(lineSep || "\n"); + } + + function onScrollBar(e) { + if (scrollbar.scrollTop != lastScrollTop) { + lastScrollTop = scroller.scrollTop = scrollbar.scrollTop; + updateDisplay([]); + } + } + + function onScrollMain(e) { + if (options.fixedGutter && gutter.style.left != scroller.scrollLeft + "px") + gutter.style.left = scroller.scrollLeft + "px"; + if (scroller.scrollTop != lastScrollTop) { + lastScrollTop = scroller.scrollTop; + if (scrollbar.scrollTop != lastScrollTop) + scrollbar.scrollTop = lastScrollTop; + updateDisplay([]); + } + if (options.onScroll) options.onScroll(instance); + } + + function onMouseDown(e) { + setShift(e_prop(e, "shiftKey")); + // Check whether this is a click in a widget + for (var n = e_target(e); n != wrapper; n = n.parentNode) + if (n.parentNode == sizer && n != mover) return; + + // See if this is a click in the gutter + for (var n = e_target(e); n != wrapper; n = n.parentNode) + if (n.parentNode == gutterText) { + if (options.onGutterClick) + options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom, e); + return e_preventDefault(e); + } + + var start = posFromMouse(e); + + switch (e_button(e)) { + case 3: + if (gecko) onContextMenu(e); + return; + case 2: + if (start) setCursor(start.line, start.ch, true); + setTimeout(focusInput, 20); + e_preventDefault(e); + return; + } + // For button 1, if it was clicked inside the editor + // (posFromMouse returning non-null), we have to adjust the + // selection. + if (!start) {if (e_target(e) == scroller) e_preventDefault(e); return;} + + if (!focused) onFocus(); + + var now = +new Date, type = "single"; + if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) { + type = "triple"; + e_preventDefault(e); + setTimeout(focusInput, 20); + selectLine(start.line); + } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) { + type = "double"; + lastDoubleClick = {time: now, pos: start}; + e_preventDefault(e); + var word = findWordAt(start); + setSelectionUser(word.from, word.to); + } else { lastClick = {time: now, pos: start}; } + + function dragEnd(e2) { + if (webkit) scroller.draggable = false; + draggingText = false; + up(); drop(); + if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { + e_preventDefault(e2); + setCursor(start.line, start.ch, true); + focusInput(); + } + } + var last = start, going; + if (options.dragDrop && dragAndDrop && !options.readOnly && !posEq(sel.from, sel.to) && + !posLess(start, sel.from) && !posLess(sel.to, start) && type == "single") { + // Let the drag handler handle this. + if (webkit) scroller.draggable = true; + var up = connect(document, "mouseup", operation(dragEnd), true); + var drop = connect(scroller, "drop", operation(dragEnd), true); + draggingText = true; + // IE's approach to draggable + if (scroller.dragDrop) scroller.dragDrop(); + return; + } + e_preventDefault(e); + if (type == "single") setCursor(start.line, start.ch, true); + + var startstart = sel.from, startend = sel.to; + + function doSelect(cur) { + if (type == "single") { + setSelectionUser(start, cur); + } else if (type == "double") { + var word = findWordAt(cur); + if (posLess(cur, startstart)) setSelectionUser(word.from, startend); + else setSelectionUser(startstart, word.to); + } else if (type == "triple") { + if (posLess(cur, startstart)) setSelectionUser(startend, clipPos({line: cur.line, ch: 0})); + else setSelectionUser(startstart, clipPos({line: cur.line + 1, ch: 0})); + } + } + + function extend(e) { + var cur = posFromMouse(e, true); + if (cur && !posEq(cur, last)) { + if (!focused) onFocus(); + last = cur; + doSelect(cur); + updateInput = false; + var visible = visibleLines(); + if (cur.line >= visible.to || cur.line < visible.from) + going = setTimeout(operation(function(){extend(e);}), 150); + } + } + + function done(e) { + clearTimeout(going); + var cur = posFromMouse(e); + if (cur) doSelect(cur); + e_preventDefault(e); + focusInput(); + updateInput = true; + move(); up(); + } + var move = connect(document, "mousemove", operation(function(e) { + clearTimeout(going); + e_preventDefault(e); + if (!ie && !e_button(e)) done(e); + else extend(e); + }), true); + var up = connect(document, "mouseup", operation(done), true); + } + function onDoubleClick(e) { + for (var n = e_target(e); n != wrapper; n = n.parentNode) + if (n.parentNode == gutterText) return e_preventDefault(e); + e_preventDefault(e); + } + function onDrop(e) { + if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; + e_preventDefault(e); + var pos = posFromMouse(e, true), files = e.dataTransfer.files; + if (!pos || options.readOnly) return; + if (files && files.length && window.FileReader && window.File) { + var n = files.length, text = Array(n), read = 0; + var loadFile = function(file, i) { + var reader = new FileReader; + reader.onload = function() { + text[i] = reader.result; + if (++read == n) { + pos = clipPos(pos); + operation(function() { + var end = replaceRange(text.join(""), pos, pos); + setSelectionUser(pos, end); + })(); + } + }; + reader.readAsText(file); + }; + for (var i = 0; i < n; ++i) loadFile(files[i], i); + } else { + // Don't do a replace if the drop happened inside of the selected text. + if (draggingText && !(posLess(pos, sel.from) || posLess(sel.to, pos))) return; + try { + var text = e.dataTransfer.getData("Text"); + if (text) { + compoundChange(function() { + var curFrom = sel.from, curTo = sel.to; + setSelectionUser(pos, pos); + if (draggingText) replaceRange("", curFrom, curTo); + replaceSelection(text); + focusInput(); + }); + } + } + catch(e){} + } + } + function onDragStart(e) { + var txt = getSelection(); + e.dataTransfer.setData("Text", txt); + + // Use dummy image instead of default browsers image. + if (e.dataTransfer.setDragImage) + e.dataTransfer.setDragImage(elt('img'), 0, 0); + } + + function doHandleBinding(bound, dropShift) { + if (typeof bound == "string") { + bound = commands[bound]; + if (!bound) return false; + } + var prevShift = shiftSelecting; + try { + if (options.readOnly) suppressEdits = true; + if (dropShift) shiftSelecting = null; + bound(instance); + } catch(e) { + if (e != Pass) throw e; + return false; + } finally { + shiftSelecting = prevShift; + suppressEdits = false; + } + return true; + } + var maybeTransition; + function handleKeyBinding(e) { + // Handle auto keymap transitions + var startMap = getKeyMap(options.keyMap), next = startMap.auto; + clearTimeout(maybeTransition); + if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() { + if (getKeyMap(options.keyMap) == startMap) { + options.keyMap = (next.call ? next.call(null, instance) : next); + } + }, 50); + + var name = keyNames[e_prop(e, "keyCode")], handled = false; + var flipCtrlCmd = opera && mac; + if (name == null || e.altGraphKey) return false; + if (e_prop(e, "altKey")) name = "Alt-" + name; + if (e_prop(e, flipCtrlCmd ? "metaKey" : "ctrlKey")) name = "Ctrl-" + name; + if (e_prop(e, flipCtrlCmd ? "ctrlKey" : "metaKey")) name = "Cmd-" + name; + + var stopped = false; + function stop() { stopped = true; } + + if (e_prop(e, "shiftKey")) { + handled = lookupKey("Shift-" + name, options.extraKeys, options.keyMap, + function(b) {return doHandleBinding(b, true);}, stop) + || lookupKey(name, options.extraKeys, options.keyMap, function(b) { + if (typeof b == "string" && /^go[A-Z]/.test(b)) return doHandleBinding(b); + }, stop); + } else { + handled = lookupKey(name, options.extraKeys, options.keyMap, doHandleBinding, stop); + } + if (stopped) handled = false; + if (handled) { + e_preventDefault(e); + restartBlink(); + if (ie) { e.oldKeyCode = e.keyCode; e.keyCode = 0; } + } + return handled; + } + function handleCharBinding(e, ch) { + var handled = lookupKey("'" + ch + "'", options.extraKeys, + options.keyMap, function(b) { return doHandleBinding(b, true); }); + if (handled) { + e_preventDefault(e); + restartBlink(); + } + return handled; + } + + var lastStoppedKey = null; + function onKeyDown(e) { + if (!focused) onFocus(); + if (ie && e.keyCode == 27) { e.returnValue = false; } + if (pollingFast) { if (readInput()) pollingFast = false; } + if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; + var code = e_prop(e, "keyCode"); + // IE does strange things with escape. + setShift(code == 16 || e_prop(e, "shiftKey")); + // First give onKeyEvent option a chance to handle this. + var handled = handleKeyBinding(e); + if (opera) { + lastStoppedKey = handled ? code : null; + // Opera has no cut event... we try to at least catch the key combo + if (!handled && code == 88 && e_prop(e, mac ? "metaKey" : "ctrlKey")) + replaceSelection(""); + } + } + function onKeyPress(e) { + if (pollingFast) readInput(); + if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; + var keyCode = e_prop(e, "keyCode"), charCode = e_prop(e, "charCode"); + if (opera && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} + if (((opera && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(e)) return; + var ch = String.fromCharCode(charCode == null ? keyCode : charCode); + if (options.electricChars && mode.electricChars && options.smartIndent && !options.readOnly) { + if (mode.electricChars.indexOf(ch) > -1) + setTimeout(operation(function() {indentLine(sel.to.line, "smart");}), 75); + } + if (handleCharBinding(e, ch)) return; + fastPoll(); + } + function onKeyUp(e) { + if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; + if (e_prop(e, "keyCode") == 16) shiftSelecting = null; + } + + function onFocus() { + if (options.readOnly == "nocursor") return; + if (!focused) { + if (options.onFocus) options.onFocus(instance); + focused = true; + if (scroller.className.search(/\bCodeMirror-focused\b/) == -1) + scroller.className += " CodeMirror-focused"; + } + slowPoll(); + restartBlink(); + } + function onBlur() { + if (focused) { + if (options.onBlur) options.onBlur(instance); + focused = false; + if (bracketHighlighted) + operation(function(){ + if (bracketHighlighted) { bracketHighlighted(); bracketHighlighted = null; } + })(); + scroller.className = scroller.className.replace(" CodeMirror-focused", ""); + } + clearInterval(blinker); + setTimeout(function() {if (!focused) shiftSelecting = null;}, 150); + } + + // Replace the range from from to to by the strings in newText. + // Afterwards, set the selection to selFrom, selTo. + function updateLines(from, to, newText, selFrom, selTo) { + if (suppressEdits) return; + var old = []; + doc.iter(from.line, to.line + 1, function(line) { + old.push(newHL(line.text, line.markedSpans)); + }); + if (history) { + history.addChange(from.line, newText.length, old); + while (history.done.length > options.undoDepth) history.done.shift(); + } + var lines = updateMarkedSpans(hlSpans(old[0]), hlSpans(lst(old)), from.ch, to.ch, newText); + updateLinesNoUndo(from, to, lines, selFrom, selTo); + } + function unredoHelper(from, to) { + if (!from.length) return; + var set = from.pop(), out = []; + for (var i = set.length - 1; i >= 0; i -= 1) { + var change = set[i]; + var replaced = [], end = change.start + change.added; + doc.iter(change.start, end, function(line) { replaced.push(newHL(line.text, line.markedSpans)); }); + out.push({start: change.start, added: change.old.length, old: replaced}); + var pos = {line: change.start + change.old.length - 1, + ch: editEnd(hlText(lst(replaced)), hlText(lst(change.old)))}; + updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: getLine(end-1).text.length}, + change.old, pos, pos); + } + updateInput = true; + to.push(out); + } + function undo() {unredoHelper(history.done, history.undone);} + function redo() {unredoHelper(history.undone, history.done);} + + function updateLinesNoUndo(from, to, lines, selFrom, selTo) { + if (suppressEdits) return; + var recomputeMaxLength = false, maxLineLength = maxLine.text.length; + if (!options.lineWrapping) + doc.iter(from.line, to.line + 1, function(line) { + if (!line.hidden && line.text.length == maxLineLength) {recomputeMaxLength = true; return true;} + }); + if (from.line != to.line || lines.length > 1) gutterDirty = true; + + var nlines = to.line - from.line, firstLine = getLine(from.line), lastLine = getLine(to.line); + var lastHL = lst(lines); + + // First adjust the line structure + if (from.ch == 0 && to.ch == 0 && hlText(lastHL) == "") { + // This is a whole-line replace. Treated specially to make + // sure line objects move the way they are supposed to. + var added = [], prevLine = null; + for (var i = 0, e = lines.length - 1; i < e; ++i) + added.push(new Line(hlText(lines[i]), hlSpans(lines[i]))); + lastLine.update(lastLine.text, hlSpans(lastHL)); + if (nlines) doc.remove(from.line, nlines, callbacks); + if (added.length) doc.insert(from.line, added); + } else if (firstLine == lastLine) { + if (lines.length == 1) { + firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]) + firstLine.text.slice(to.ch), hlSpans(lines[0])); + } else { + for (var added = [], i = 1, e = lines.length - 1; i < e; ++i) + added.push(new Line(hlText(lines[i]), hlSpans(lines[i]))); + added.push(new Line(hlText(lastHL) + firstLine.text.slice(to.ch), hlSpans(lastHL))); + firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0])); + doc.insert(from.line + 1, added); + } + } else if (lines.length == 1) { + firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]) + lastLine.text.slice(to.ch), hlSpans(lines[0])); + doc.remove(from.line + 1, nlines, callbacks); + } else { + var added = []; + firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0])); + lastLine.update(hlText(lastHL) + lastLine.text.slice(to.ch), hlSpans(lastHL)); + for (var i = 1, e = lines.length - 1; i < e; ++i) + added.push(new Line(hlText(lines[i]), hlSpans(lines[i]))); + if (nlines > 1) doc.remove(from.line + 1, nlines - 1, callbacks); + doc.insert(from.line + 1, added); + } + if (options.lineWrapping) { + var perLine = Math.max(5, scroller.clientWidth / charWidth() - 3); + doc.iter(from.line, from.line + lines.length, function(line) { + if (line.hidden) return; + var guess = Math.ceil(line.text.length / perLine) || 1; + if (guess != line.height) updateLineHeight(line, guess); + }); + } else { + doc.iter(from.line, from.line + lines.length, function(line) { + var l = line.text; + if (!line.hidden && l.length > maxLineLength) { + maxLine = line; maxLineLength = l.length; maxLineChanged = true; + recomputeMaxLength = false; + } + }); + if (recomputeMaxLength) updateMaxLine = true; + } + + // Adjust frontier, schedule worker + frontier = Math.min(frontier, from.line); + startWorker(400); + + var lendiff = lines.length - nlines - 1; + // Remember that these lines changed, for updating the display + changes.push({from: from.line, to: to.line + 1, diff: lendiff}); + if (options.onChange) { + // Normalize lines to contain only strings, since that's what + // the change event handler expects + for (var i = 0; i < lines.length; ++i) + if (typeof lines[i] != "string") lines[i] = lines[i].text; + var changeObj = {from: from, to: to, text: lines}; + if (textChanged) { + for (var cur = textChanged; cur.next; cur = cur.next) {} + cur.next = changeObj; + } else textChanged = changeObj; + } + + // Update the selection + function updateLine(n) {return n <= Math.min(to.line, to.line + lendiff) ? n : n + lendiff;} + setSelection(clipPos(selFrom), clipPos(selTo), + updateLine(sel.from.line), updateLine(sel.to.line)); + } + + function needsScrollbar() { + var realHeight = doc.height * textHeight() + 2 * paddingTop(); + return realHeight * .99 > scroller.offsetHeight ? realHeight : false; + } + + function updateVerticalScroll(scrollTop) { + var scrollHeight = needsScrollbar(); + scrollbar.style.display = scrollHeight ? "block" : "none"; + if (scrollHeight) { + scrollbarInner.style.height = sizer.style.minHeight = scrollHeight + "px"; + scrollbar.style.height = scroller.clientHeight + "px"; + if (scrollTop != null) { + scrollbar.scrollTop = scroller.scrollTop = scrollTop; + // 'Nudge' the scrollbar to work around a Webkit bug where, + // in some situations, we'd end up with a scrollbar that + // reported its scrollTop (and looked) as expected, but + // *behaved* as if it was still in a previous state (i.e. + // couldn't scroll up, even though it appeared to be at the + // bottom). + if (webkit) setTimeout(function() { + if (scrollbar.scrollTop != scrollTop) return; + scrollbar.scrollTop = scrollTop + (scrollTop ? -1 : 1); + scrollbar.scrollTop = scrollTop; + }, 0); + } + } else { + sizer.style.minHeight = ""; + } + // Position the mover div to align with the current virtual scroll position + mover.style.top = displayOffset * textHeight() + "px"; + } + + function computeMaxLength() { + maxLine = getLine(0); maxLineChanged = true; + var maxLineLength = maxLine.text.length; + doc.iter(1, doc.size, function(line) { + var l = line.text; + if (!line.hidden && l.length > maxLineLength) { + maxLineLength = l.length; maxLine = line; + } + }); + updateMaxLine = false; + } + + function replaceRange(code, from, to) { + from = clipPos(from); + if (!to) to = from; else to = clipPos(to); + code = splitLines(code); + function adjustPos(pos) { + if (posLess(pos, from)) return pos; + if (!posLess(to, pos)) return end; + var line = pos.line + code.length - (to.line - from.line) - 1; + var ch = pos.ch; + if (pos.line == to.line) + ch += lst(code).length - (to.ch - (to.line == from.line ? from.ch : 0)); + return {line: line, ch: ch}; + } + var end; + replaceRange1(code, from, to, function(end1) { + end = end1; + return {from: adjustPos(sel.from), to: adjustPos(sel.to)}; + }); + return end; + } + function replaceSelection(code, collapse) { + replaceRange1(splitLines(code), sel.from, sel.to, function(end) { + if (collapse == "end") return {from: end, to: end}; + else if (collapse == "start") return {from: sel.from, to: sel.from}; + else return {from: sel.from, to: end}; + }); + } + function replaceRange1(code, from, to, computeSel) { + var endch = code.length == 1 ? code[0].length + from.ch : lst(code).length; + var newSel = computeSel({line: from.line + code.length - 1, ch: endch}); + updateLines(from, to, code, newSel.from, newSel.to); + } + + function getRange(from, to, lineSep) { + var l1 = from.line, l2 = to.line; + if (l1 == l2) return getLine(l1).text.slice(from.ch, to.ch); + var code = [getLine(l1).text.slice(from.ch)]; + doc.iter(l1 + 1, l2, function(line) { code.push(line.text); }); + code.push(getLine(l2).text.slice(0, to.ch)); + return code.join(lineSep || "\n"); + } + function getSelection(lineSep) { + return getRange(sel.from, sel.to, lineSep); + } + + function slowPoll() { + if (pollingFast) return; + poll.set(options.pollInterval, function() { + readInput(); + if (focused) slowPoll(); + }); + } + function fastPoll() { + var missed = false; + pollingFast = true; + function p() { + var changed = readInput(); + if (!changed && !missed) {missed = true; poll.set(60, p);} + else {pollingFast = false; slowPoll();} + } + poll.set(20, p); + } + + // Previnput is a hack to work with IME. If we reset the textarea + // on every change, that breaks IME. So we look for changes + // compared to the previous content instead. (Modern browsers have + // events that indicate IME taking place, but these are not widely + // supported or compatible enough yet to rely on.) + var prevInput = ""; + function readInput() { + if (!focused || hasSelection(input) || options.readOnly) return false; + var text = input.value; + if (text == prevInput) return false; + if (!nestedOperation) startOperation(); + shiftSelecting = null; + var same = 0, l = Math.min(prevInput.length, text.length); + while (same < l && prevInput[same] == text[same]) ++same; + if (same < prevInput.length) + sel.from = {line: sel.from.line, ch: sel.from.ch - (prevInput.length - same)}; + else if (overwrite && posEq(sel.from, sel.to) && !pasteIncoming) + sel.to = {line: sel.to.line, ch: Math.min(getLine(sel.to.line).text.length, sel.to.ch + (text.length - same))}; + replaceSelection(text.slice(same), "end"); + if (text.length > 1000) { input.value = prevInput = ""; } + else prevInput = text; + if (!nestedOperation) endOperation(); + pasteIncoming = false; + return true; + } + function resetInput(user) { + if (!posEq(sel.from, sel.to)) { + prevInput = ""; + input.value = getSelection(); + if (focused) selectInput(input); + } else if (user) prevInput = input.value = ""; + } + + function focusInput() { + if (options.readOnly != "nocursor") input.focus(); + } + + function scrollCursorIntoView() { + var coords = calculateCursorCoords(); + scrollIntoView(coords.x, coords.y, coords.x, coords.yBot); + if (!focused) return; + var box = sizer.getBoundingClientRect(), doScroll = null; + if (coords.y + box.top < 0) doScroll = true; + else if (coords.y + box.top + textHeight() > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; + if (doScroll != null) { + var hidden = cursor.style.display == "none"; + if (hidden) { + cursor.style.display = ""; + cursor.style.left = coords.x + "px"; + cursor.style.top = (coords.y - displayOffset) + "px"; + } + cursor.scrollIntoView(doScroll); + if (hidden) cursor.style.display = "none"; + } + } + function calculateCursorCoords() { + var cursor = localCoords(sel.inverted ? sel.from : sel.to); + var x = options.lineWrapping ? Math.min(cursor.x, lineSpace.offsetWidth) : cursor.x; + return {x: x, y: cursor.y, yBot: cursor.yBot}; + } + function scrollIntoView(x1, y1, x2, y2) { + var scrollPos = calculateScrollPos(x1, y1, x2, y2); + if (scrollPos.scrollLeft != null) {scroller.scrollLeft = scrollPos.scrollLeft;} + if (scrollPos.scrollTop != null) {scrollbar.scrollTop = scroller.scrollTop = scrollPos.scrollTop;} + } + function calculateScrollPos(x1, y1, x2, y2) { + var pl = paddingLeft(), pt = paddingTop(); + y1 += pt; y2 += pt; x1 += pl; x2 += pl; + var screen = scroller.clientHeight, screentop = scrollbar.scrollTop, result = {}; + var docBottom = needsScrollbar() || Infinity; + var atTop = y1 < pt + 10, atBottom = y2 + pt > docBottom - 10; + if (y1 < screentop) result.scrollTop = atTop ? 0 : Math.max(0, y1); + else if (y2 > screentop + screen) result.scrollTop = (atBottom ? docBottom : y2) - screen; + + var screenw = scroller.clientWidth, screenleft = scroller.scrollLeft; + var gutterw = options.fixedGutter ? gutter.clientWidth : 0; + var atLeft = x1 < gutterw + pl + 10; + if (x1 < screenleft + gutterw || atLeft) { + if (atLeft) x1 = 0; + result.scrollLeft = Math.max(0, x1 - 10 - gutterw); + } else if (x2 > screenw + screenleft - 3) { + result.scrollLeft = x2 + 10 - screenw; + } + return result; + } + + function visibleLines(scrollTop) { + var lh = textHeight(), top = (scrollTop != null ? scrollTop : scrollbar.scrollTop) - paddingTop(); + var fromHeight = Math.max(0, Math.floor(top / lh)); + var toHeight = Math.ceil((top + scroller.clientHeight) / lh); + return {from: lineAtHeight(doc, fromHeight), + to: lineAtHeight(doc, toHeight)}; + } + // Uses a set of changes plus the current scroll position to + // determine which DOM updates have to be made, and makes the + // updates. + function updateDisplay(changes, suppressCallback, scrollTop) { + if (!scroller.clientWidth) { + showingFrom = showingTo = displayOffset = 0; + return; + } + // Compute the new visible window + // If scrollTop is specified, use that to determine which lines + // to render instead of the current scrollbar position. + var visible = visibleLines(scrollTop); + // Bail out if the visible area is already rendered and nothing changed. + if (changes !== true && changes.length == 0 && visible.from > showingFrom && visible.to < showingTo) { + updateVerticalScroll(scrollTop); + return; + } + var from = Math.max(visible.from - 100, 0), to = Math.min(doc.size, visible.to + 100); + if (showingFrom < from && from - showingFrom < 20) from = showingFrom; + if (showingTo > to && showingTo - to < 20) to = Math.min(doc.size, showingTo); + + // Create a range of theoretically intact lines, and punch holes + // in that using the change info. + var intact = changes === true ? [] : + computeIntact([{from: showingFrom, to: showingTo, domStart: 0}], changes); + // Clip off the parts that won't be visible + var intactLines = 0; + for (var i = 0; i < intact.length; ++i) { + var range = intact[i]; + if (range.from < from) {range.domStart += (from - range.from); range.from = from;} + if (range.to > to) range.to = to; + if (range.from >= range.to) intact.splice(i--, 1); + else intactLines += range.to - range.from; + } + if (intactLines == to - from && from == showingFrom && to == showingTo) { + updateVerticalScroll(scrollTop); + return; + } + intact.sort(function(a, b) {return a.domStart - b.domStart;}); + + var th = textHeight(), gutterDisplay = gutter.style.display; + lineDiv.style.display = "none"; + patchDisplay(from, to, intact); + lineDiv.style.display = gutter.style.display = ""; + + var different = from != showingFrom || to != showingTo || lastSizeC != scroller.clientHeight + th; + // This is just a bogus formula that detects when the editor is + // resized or the font size changes. + if (different) lastSizeC = scroller.clientHeight + th; + if (from != showingFrom || to != showingTo && options.onViewportChange) + setTimeout(function(){ + if (options.onViewportChange) options.onViewportChange(instance, from, to); + }); + showingFrom = from; showingTo = to; + displayOffset = heightAtLine(doc, from); + startWorker(100); + + // Since this is all rather error prone, it is honoured with the + // only assertion in the whole file. + if (lineDiv.childNodes.length != showingTo - showingFrom) + throw new Error("BAD PATCH! " + JSON.stringify(intact) + " size=" + (showingTo - showingFrom) + + " nodes=" + lineDiv.childNodes.length); + + function checkHeights() { + var curNode = lineDiv.firstChild, heightChanged = false; + doc.iter(showingFrom, showingTo, function(line) { + // Work around bizarro IE7 bug where, sometimes, our curNode + // is magically replaced with a new node in the DOM, leaving + // us with a reference to an orphan (nextSibling-less) node. + if (!curNode) return; + if (!line.hidden) { + var height = Math.round(curNode.offsetHeight / th) || 1; + if (line.height != height) { + updateLineHeight(line, height); + gutterDirty = heightChanged = true; + } + } + curNode = curNode.nextSibling; + }); + return heightChanged; + } + + if (options.lineWrapping) checkHeights(); + + gutter.style.display = gutterDisplay; + if (different || gutterDirty) { + // If the gutter grew in size, re-check heights. If those changed, re-draw gutter. + updateGutter() && options.lineWrapping && checkHeights() && updateGutter(); + } + updateVerticalScroll(scrollTop); + updateSelection(); + if (!suppressCallback && options.onUpdate) options.onUpdate(instance); + return true; + } + + function computeIntact(intact, changes) { + for (var i = 0, l = changes.length || 0; i < l; ++i) { + var change = changes[i], intact2 = [], diff = change.diff || 0; + for (var j = 0, l2 = intact.length; j < l2; ++j) { + var range = intact[j]; + if (change.to <= range.from && change.diff) + intact2.push({from: range.from + diff, to: range.to + diff, + domStart: range.domStart}); + else if (change.to <= range.from || change.from >= range.to) + intact2.push(range); + else { + if (change.from > range.from) + intact2.push({from: range.from, to: change.from, domStart: range.domStart}); + if (change.to < range.to) + intact2.push({from: change.to + diff, to: range.to + diff, + domStart: range.domStart + (change.to - range.from)}); + } + } + intact = intact2; + } + return intact; + } + + function patchDisplay(from, to, intact) { + function killNode(node) { + var tmp = node.nextSibling; + node.parentNode.removeChild(node); + return tmp; + } + // The first pass removes the DOM nodes that aren't intact. + if (!intact.length) removeChildren(lineDiv); + else { + var domPos = 0, curNode = lineDiv.firstChild, n; + for (var i = 0; i < intact.length; ++i) { + var cur = intact[i]; + while (cur.domStart > domPos) {curNode = killNode(curNode); domPos++;} + for (var j = 0, e = cur.to - cur.from; j < e; ++j) {curNode = curNode.nextSibling; domPos++;} + } + while (curNode) curNode = killNode(curNode); + } + // This pass fills in the lines that actually changed. + var nextIntact = intact.shift(), curNode = lineDiv.firstChild, j = from; + doc.iter(from, to, function(line) { + if (nextIntact && nextIntact.to == j) nextIntact = intact.shift(); + if (!nextIntact || nextIntact.from > j) { + if (line.hidden) var lineElement = elt("pre"); + else { + var lineElement = lineContent(line); + if (line.className) lineElement.className = line.className; + // Kludge to make sure the styled element lies behind the selection (by z-index) + if (line.bgClassName) { + var pre = elt("pre", "\u00a0", line.bgClassName, "position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: -2"); + lineElement = elt("div", [pre, lineElement], null, "position: relative"); + } + } + lineDiv.insertBefore(lineElement, curNode); + } else { + curNode = curNode.nextSibling; + } + ++j; + }); + } + + function updateGutter() { + if (!options.gutter && !options.lineNumbers) return; + var hText = mover.offsetHeight, hEditor = scroller.clientHeight; + gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px"; + var fragment = document.createDocumentFragment(), i = showingFrom, normalNode; + doc.iter(showingFrom, Math.max(showingTo, showingFrom + 1), function(line) { + if (line.hidden) { + fragment.appendChild(elt("pre")); + } else { + var marker = line.gutterMarker; + var text = options.lineNumbers ? options.lineNumberFormatter(i + options.firstLineNumber) : null; + if (marker && marker.text) + text = marker.text.replace("%N%", text != null ? text : ""); + else if (text == null) + text = "\u00a0"; + var markerElement = fragment.appendChild(elt("pre", null, marker && marker.style)); + markerElement.innerHTML = text; + for (var j = 1; j < line.height; ++j) { + markerElement.appendChild(elt("br")); + markerElement.appendChild(document.createTextNode("\u00a0")); + } + if (!marker) normalNode = i; + } + ++i; + }); + gutter.style.display = "none"; + removeChildrenAndAdd(gutterText, fragment); + // Make sure scrolling doesn't cause number gutter size to pop + if (normalNode != null && options.lineNumbers) { + var node = gutterText.childNodes[normalNode - showingFrom]; + var minwidth = String(doc.size).length, val = eltText(node.firstChild), pad = ""; + while (val.length + pad.length < minwidth) pad += "\u00a0"; + if (pad) node.insertBefore(document.createTextNode(pad), node.firstChild); + } + gutter.style.display = ""; + var resized = Math.abs((parseInt(lineSpace.style.marginLeft) || 0) - gutter.offsetWidth) > 2; + lineSpace.style.marginLeft = gutter.offsetWidth + "px"; + gutterDirty = false; + return resized; + } + function updateSelection() { + var collapsed = posEq(sel.from, sel.to); + var fromPos = localCoords(sel.from, true); + var toPos = collapsed ? fromPos : localCoords(sel.to, true); + var headPos = sel.inverted ? fromPos : toPos, th = textHeight(); + var wrapOff = eltOffset(wrapper), lineOff = eltOffset(lineDiv); + inputDiv.style.top = Math.max(0, Math.min(scroller.offsetHeight, headPos.y + lineOff.top - wrapOff.top)) + "px"; + inputDiv.style.left = Math.max(0, Math.min(scroller.offsetWidth, headPos.x + lineOff.left - wrapOff.left)) + "px"; + if (collapsed) { + cursor.style.top = headPos.y + "px"; + cursor.style.left = (options.lineWrapping ? Math.min(headPos.x, lineSpace.offsetWidth) : headPos.x) + "px"; + cursor.style.display = ""; + selectionDiv.style.display = "none"; + } else { + var sameLine = fromPos.y == toPos.y, fragment = document.createDocumentFragment(); + var clientWidth = lineSpace.clientWidth || lineSpace.offsetWidth; + var clientHeight = lineSpace.clientHeight || lineSpace.offsetHeight; + var add = function(left, top, right, height) { + var rstyle = quirksMode ? "width: " + (!right ? clientWidth : clientWidth - right - left) + "px" + : "right: " + right + "px"; + fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + + "px; top: " + top + "px; " + rstyle + "; height: " + height + "px")); + }; + if (sel.from.ch && fromPos.y >= 0) { + var right = sameLine ? clientWidth - toPos.x : 0; + add(fromPos.x, fromPos.y, right, th); + } + var middleStart = Math.max(0, fromPos.y + (sel.from.ch ? th : 0)); + var middleHeight = Math.min(toPos.y, clientHeight) - middleStart; + if (middleHeight > 0.2 * th) + add(0, middleStart, 0, middleHeight); + if ((!sameLine || !sel.from.ch) && toPos.y < clientHeight - .5 * th) + add(0, toPos.y, clientWidth - toPos.x, th); + removeChildrenAndAdd(selectionDiv, fragment); + cursor.style.display = "none"; + selectionDiv.style.display = ""; + } + } + + function setShift(val) { + if (val) shiftSelecting = shiftSelecting || (sel.inverted ? sel.to : sel.from); + else shiftSelecting = null; + } + function setSelectionUser(from, to) { + var sh = shiftSelecting && clipPos(shiftSelecting); + if (sh) { + if (posLess(sh, from)) from = sh; + else if (posLess(to, sh)) to = sh; + } + setSelection(from, to); + userSelChange = true; + } + // Update the selection. Last two args are only used by + // updateLines, since they have to be expressed in the line + // numbers before the update. + function setSelection(from, to, oldFrom, oldTo) { + goalColumn = null; + if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;} + if (posEq(sel.from, from) && posEq(sel.to, to)) return; + if (posLess(to, from)) {var tmp = to; to = from; from = tmp;} + + // Skip over hidden lines. + if (from.line != oldFrom) { + var from1 = skipHidden(from, oldFrom, sel.from.ch); + // If there is no non-hidden line left, force visibility on current line + if (!from1) setLineHidden(from.line, false); + else from = from1; + } + if (to.line != oldTo) to = skipHidden(to, oldTo, sel.to.ch); + + if (posEq(from, to)) sel.inverted = false; + else if (posEq(from, sel.to)) sel.inverted = false; + else if (posEq(to, sel.from)) sel.inverted = true; + + if (options.autoClearEmptyLines && posEq(sel.from, sel.to)) { + var head = sel.inverted ? from : to; + if (head.line != sel.from.line && sel.from.line < doc.size) { + var oldLine = getLine(sel.from.line); + if (/^\s+$/.test(oldLine.text)) + setTimeout(operation(function() { + if (oldLine.parent && /^\s+$/.test(oldLine.text)) { + var no = lineNo(oldLine); + replaceRange("", {line: no, ch: 0}, {line: no, ch: oldLine.text.length}); + } + }, 10)); + } + } + + sel.from = from; sel.to = to; + selectionChanged = true; + } + function skipHidden(pos, oldLine, oldCh) { + function getNonHidden(dir) { + var lNo = pos.line + dir, end = dir == 1 ? doc.size : -1; + while (lNo != end) { + var line = getLine(lNo); + if (!line.hidden) { + var ch = pos.ch; + if (toEnd || ch > oldCh || ch > line.text.length) ch = line.text.length; + return {line: lNo, ch: ch}; + } + lNo += dir; + } + } + var line = getLine(pos.line); + var toEnd = pos.ch == line.text.length && pos.ch != oldCh; + if (!line.hidden) return pos; + if (pos.line >= oldLine) return getNonHidden(1) || getNonHidden(-1); + else return getNonHidden(-1) || getNonHidden(1); + } + function setCursor(line, ch, user) { + var pos = clipPos({line: line, ch: ch || 0}); + (user ? setSelectionUser : setSelection)(pos, pos); + } + + function clipLine(n) {return Math.max(0, Math.min(n, doc.size-1));} + function clipPos(pos) { + if (pos.line < 0) return {line: 0, ch: 0}; + if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc.size-1).text.length}; + var ch = pos.ch, linelen = getLine(pos.line).text.length; + if (ch == null || ch > linelen) return {line: pos.line, ch: linelen}; + else if (ch < 0) return {line: pos.line, ch: 0}; + else return pos; + } + + function findPosH(dir, unit) { + var end = sel.inverted ? sel.from : sel.to, line = end.line, ch = end.ch; + var lineObj = getLine(line); + function findNextLine() { + for (var l = line + dir, e = dir < 0 ? -1 : doc.size; l != e; l += dir) { + var lo = getLine(l); + if (!lo.hidden) { line = l; lineObj = lo; return true; } + } + } + function moveOnce(boundToLine) { + if (ch == (dir < 0 ? 0 : lineObj.text.length)) { + if (!boundToLine && findNextLine()) ch = dir < 0 ? lineObj.text.length : 0; + else return false; + } else ch += dir; + return true; + } + if (unit == "char") moveOnce(); + else if (unit == "column") moveOnce(true); + else if (unit == "word") { + var sawWord = false; + for (;;) { + if (dir < 0) if (!moveOnce()) break; + if (isWordChar(lineObj.text.charAt(ch))) sawWord = true; + else if (sawWord) {if (dir < 0) {dir = 1; moveOnce();} break;} + if (dir > 0) if (!moveOnce()) break; + } + } + return {line: line, ch: ch}; + } + function moveH(dir, unit) { + var pos = dir < 0 ? sel.from : sel.to; + if (shiftSelecting || posEq(sel.from, sel.to)) pos = findPosH(dir, unit); + setCursor(pos.line, pos.ch, true); + } + function deleteH(dir, unit) { + if (!posEq(sel.from, sel.to)) replaceRange("", sel.from, sel.to); + else if (dir < 0) replaceRange("", findPosH(dir, unit), sel.to); + else replaceRange("", sel.from, findPosH(dir, unit)); + userSelChange = true; + } + function moveV(dir, unit) { + var dist = 0, pos = localCoords(sel.inverted ? sel.from : sel.to, true); + if (goalColumn != null) pos.x = goalColumn; + if (unit == "page") { + var screen = Math.min(scroller.clientHeight, window.innerHeight || document.documentElement.clientHeight); + var target = coordsChar(pos.x, pos.y + screen * dir); + } else if (unit == "line") { + var th = textHeight(); + var target = coordsChar(pos.x, pos.y + .5 * th + dir * th); + } + if (unit == "page") scrollbar.scrollTop += localCoords(target, true).y - pos.y; + setCursor(target.line, target.ch, true); + goalColumn = pos.x; + } + + function findWordAt(pos) { + var line = getLine(pos.line).text; + var start = pos.ch, end = pos.ch; + if (line) { + if (pos.after === false || end == line.length) --start; else ++end; + var startChar = line.charAt(start); + var check = isWordChar(startChar) ? isWordChar : + /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} : + function(ch) {return !/\s/.test(ch) && isWordChar(ch);}; + while (start > 0 && check(line.charAt(start - 1))) --start; + while (end < line.length && check(line.charAt(end))) ++end; + } + return {from: {line: pos.line, ch: start}, to: {line: pos.line, ch: end}}; + } + function selectLine(line) { + setSelectionUser({line: line, ch: 0}, clipPos({line: line + 1, ch: 0})); + } + function indentSelected(mode) { + if (posEq(sel.from, sel.to)) return indentLine(sel.from.line, mode); + var e = sel.to.line - (sel.to.ch ? 0 : 1); + for (var i = sel.from.line; i <= e; ++i) indentLine(i, mode); + } + + function indentLine(n, how) { + if (!how) how = "add"; + if (how == "smart") { + if (!mode.indent) how = "prev"; + else var state = getStateBefore(n); + } + + var line = getLine(n), curSpace = line.indentation(options.tabSize), + curSpaceString = line.text.match(/^\s*/)[0], indentation; + if (how == "smart") { + indentation = mode.indent(state, line.text.slice(curSpaceString.length), line.text); + if (indentation == Pass) how = "prev"; + } + if (how == "prev") { + if (n) indentation = getLine(n-1).indentation(options.tabSize); + else indentation = 0; + } + else if (how == "add") indentation = curSpace + options.indentUnit; + else if (how == "subtract") indentation = curSpace - options.indentUnit; + indentation = Math.max(0, indentation); + var diff = indentation - curSpace; + + var indentString = "", pos = 0; + if (options.indentWithTabs) + for (var i = Math.floor(indentation / options.tabSize); i; --i) {pos += options.tabSize; indentString += "\t";} + if (pos < indentation) indentString += spaceStr(indentation - pos); + + if (indentString != curSpaceString) + replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}); + line.stateAfter = null; + } + + function loadMode() { + mode = CodeMirror.getMode(options, options.mode); + doc.iter(0, doc.size, function(line) { line.stateAfter = null; }); + frontier = 0; + startWorker(100); + } + function gutterChanged() { + var visible = options.gutter || options.lineNumbers; + gutter.style.display = visible ? "" : "none"; + if (visible) gutterDirty = true; + else lineDiv.parentNode.style.marginLeft = 0; + } + function wrappingChanged(from, to) { + if (options.lineWrapping) { + wrapper.className += " CodeMirror-wrap"; + var perLine = scroller.clientWidth / charWidth() - 3; + doc.iter(0, doc.size, function(line) { + if (line.hidden) return; + var guess = Math.ceil(line.text.length / perLine) || 1; + if (guess != 1) updateLineHeight(line, guess); + }); + lineSpace.style.minWidth = widthForcer.style.left = ""; + } else { + wrapper.className = wrapper.className.replace(" CodeMirror-wrap", ""); + computeMaxLength(); + doc.iter(0, doc.size, function(line) { + if (line.height != 1 && !line.hidden) updateLineHeight(line, 1); + }); + } + changes.push({from: 0, to: doc.size}); + } + function themeChanged() { + scroller.className = scroller.className.replace(/\s*cm-s-\S+/g, "") + + options.theme.replace(/(^|\s)\s*/g, " cm-s-"); + } + function keyMapChanged() { + var style = keyMap[options.keyMap].style; + wrapper.className = wrapper.className.replace(/\s*cm-keymap-\S+/g, "") + + (style ? " cm-keymap-" + style : ""); + } + + function TextMarker(type, style) { this.lines = []; this.type = type; if (style) this.style = style; } + TextMarker.prototype.clear = operation(function() { + var min, max; + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (span.from != null) min = lineNo(line); + if (span.to != null) max = lineNo(line); + line.markedSpans = removeMarkedSpan(line.markedSpans, span); + } + if (min != null) changes.push({from: min, to: max + 1}); + this.lines.length = 0; + this.explicitlyCleared = true; + }); + TextMarker.prototype.find = function() { + var from, to; + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (span.from != null || span.to != null) { + var found = lineNo(line); + if (span.from != null) from = {line: found, ch: span.from}; + if (span.to != null) to = {line: found, ch: span.to}; + } + } + if (this.type == "bookmark") return from; + return from && {from: from, to: to}; + }; + + function markText(from, to, className, options) { + from = clipPos(from); to = clipPos(to); + var marker = new TextMarker("range", className); + if (options) for (var opt in options) if (options.hasOwnProperty(opt)) + marker[opt] = options[opt]; + var curLine = from.line; + doc.iter(curLine, to.line + 1, function(line) { + var span = {from: curLine == from.line ? from.ch : null, + to: curLine == to.line ? to.ch : null, + marker: marker}; + line.markedSpans = (line.markedSpans || []).concat([span]); + marker.lines.push(line); + ++curLine; + }); + changes.push({from: from.line, to: to.line + 1}); + return marker; + } + + function setBookmark(pos) { + pos = clipPos(pos); + var marker = new TextMarker("bookmark"), line = getLine(pos.line); + history.addChange(pos.line, 1, [newHL(line.text, line.markedSpans)], true); + var span = {from: pos.ch, to: pos.ch, marker: marker}; + line.markedSpans = (line.markedSpans || []).concat([span]); + marker.lines.push(line); + return marker; + } + + function findMarksAt(pos) { + pos = clipPos(pos); + var markers = [], spans = getLine(pos.line).markedSpans; + if (spans) for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if ((span.from == null || span.from <= pos.ch) && + (span.to == null || span.to >= pos.ch)) + markers.push(span.marker); + } + return markers; + } + + function addGutterMarker(line, text, className) { + if (typeof line == "number") line = getLine(clipLine(line)); + line.gutterMarker = {text: text, style: className}; + gutterDirty = true; + return line; + } + function removeGutterMarker(line) { + if (typeof line == "number") line = getLine(clipLine(line)); + line.gutterMarker = null; + gutterDirty = true; + } + + function changeLine(handle, op) { + var no = handle, line = handle; + if (typeof handle == "number") line = getLine(clipLine(handle)); + else no = lineNo(handle); + if (no == null) return null; + if (op(line, no)) changes.push({from: no, to: no + 1}); + else return null; + return line; + } + function setLineClass(handle, className, bgClassName) { + return changeLine(handle, function(line) { + if (line.className != className || line.bgClassName != bgClassName) { + line.className = className; + line.bgClassName = bgClassName; + return true; + } + }); + } + function setLineHidden(handle, hidden) { + return changeLine(handle, function(line, no) { + if (line.hidden != hidden) { + line.hidden = hidden; + if (!options.lineWrapping) { + if (hidden && line.text.length == maxLine.text.length) { + updateMaxLine = true; + } else if (!hidden && line.text.length > maxLine.text.length) { + maxLine = line; updateMaxLine = false; + } + } + updateLineHeight(line, hidden ? 0 : 1); + var fline = sel.from.line, tline = sel.to.line; + if (hidden && (fline == no || tline == no)) { + var from = fline == no ? skipHidden({line: fline, ch: 0}, fline, 0) : sel.from; + var to = tline == no ? skipHidden({line: tline, ch: 0}, tline, 0) : sel.to; + // Can't hide the last visible line, we'd have no place to put the cursor + if (!to) return; + setSelection(from, to); + } + return (gutterDirty = true); + } + }); + } + + function lineInfo(line) { + if (typeof line == "number") { + if (!isLine(line)) return null; + var n = line; + line = getLine(line); + if (!line) return null; + } else { + var n = lineNo(line); + if (n == null) return null; + } + var marker = line.gutterMarker; + return {line: n, handle: line, text: line.text, markerText: marker && marker.text, + markerClass: marker && marker.style, lineClass: line.className, bgClass: line.bgClassName}; + } + + function measureLine(line, ch) { + if (ch == 0) return {top: 0, left: 0}; + var pre = lineContent(line, ch); + removeChildrenAndAdd(measure, pre); + var anchor = pre.anchor; + var top = anchor.offsetTop, left = anchor.offsetLeft; + // Older IEs report zero offsets for spans directly after a wrap + if (ie && top == 0 && left == 0) { + var backup = elt("span", "x"); + anchor.parentNode.insertBefore(backup, anchor.nextSibling); + top = backup.offsetTop; + } + return {top: top, left: left}; + } + function localCoords(pos, inLineWrap) { + var x, lh = textHeight(), y = lh * (heightAtLine(doc, pos.line) - (inLineWrap ? displayOffset : 0)); + if (pos.ch == 0) x = 0; + else { + var sp = measureLine(getLine(pos.line), pos.ch); + x = sp.left; + if (options.lineWrapping) y += Math.max(0, sp.top); + } + return {x: x, y: y, yBot: y + lh}; + } + // Coords must be lineSpace-local + function coordsChar(x, y) { + var th = textHeight(), cw = charWidth(), heightPos = displayOffset + Math.floor(y / th); + if (heightPos < 0) return {line: 0, ch: 0}; + var lineNo = lineAtHeight(doc, heightPos); + if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc.size - 1).text.length}; + var lineObj = getLine(lineNo), text = lineObj.text; + var tw = options.lineWrapping, innerOff = tw ? heightPos - heightAtLine(doc, lineNo) : 0; + if (x <= 0 && innerOff == 0) return {line: lineNo, ch: 0}; + var wrongLine = false; + function getX(len) { + var sp = measureLine(lineObj, len); + if (tw) { + var off = Math.round(sp.top / th); + wrongLine = off != innerOff; + return Math.max(0, sp.left + (off - innerOff) * scroller.clientWidth); + } + return sp.left; + } + var from = 0, fromX = 0, to = text.length, toX; + // Guess a suitable upper bound for our search. + var estimated = Math.min(to, Math.ceil((x + innerOff * scroller.clientWidth * .9) / cw)); + for (;;) { + var estX = getX(estimated); + if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2)); + else {toX = estX; to = estimated; break;} + } + if (x > toX) return {line: lineNo, ch: to}; + // Try to guess a suitable lower bound as well. + estimated = Math.floor(to * 0.8); estX = getX(estimated); + if (estX < x) {from = estimated; fromX = estX;} + // Do a binary search between these bounds. + for (;;) { + if (to - from <= 1) { + var after = x - fromX < toX - x; + return {line: lineNo, ch: after ? from : to, after: after}; + } + var middle = Math.ceil((from + to) / 2), middleX = getX(middle); + if (middleX > x) {to = middle; toX = middleX; if (wrongLine) toX += 1000; } + else {from = middle; fromX = middleX;} + } + } + function pageCoords(pos) { + var local = localCoords(pos, true), off = eltOffset(lineSpace); + return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot}; + } + + var cachedHeight, cachedHeightFor, measurePre; + function textHeight() { + if (measurePre == null) { + measurePre = elt("pre"); + for (var i = 0; i < 49; ++i) { + measurePre.appendChild(document.createTextNode("x")); + measurePre.appendChild(elt("br")); + } + measurePre.appendChild(document.createTextNode("x")); + } + var offsetHeight = lineDiv.clientHeight; + if (offsetHeight == cachedHeightFor) return cachedHeight; + cachedHeightFor = offsetHeight; + removeChildrenAndAdd(measure, measurePre.cloneNode(true)); + cachedHeight = measure.firstChild.offsetHeight / 50 || 1; + removeChildren(measure); + return cachedHeight; + } + var cachedWidth, cachedWidthFor = 0; + function charWidth() { + if (scroller.clientWidth == cachedWidthFor) return cachedWidth; + cachedWidthFor = scroller.clientWidth; + var anchor = elt("span", "x"); + var pre = elt("pre", [anchor]); + removeChildrenAndAdd(measure, pre); + return (cachedWidth = anchor.offsetWidth || 10); + } + function paddingTop() {return lineSpace.offsetTop;} + function paddingLeft() {return lineSpace.offsetLeft;} + + function posFromMouse(e, liberal) { + var offW = eltOffset(scroller, true), x, y; + // Fails unpredictably on IE[67] when mouse is dragged around quickly. + try { x = e.clientX; y = e.clientY; } catch (e) { return null; } + // This is a mess of a heuristic to try and determine whether a + // scroll-bar was clicked or not, and to return null if one was + // (and !liberal). + if (!liberal && (x - offW.left > scroller.clientWidth || y - offW.top > scroller.clientHeight)) + return null; + var offL = eltOffset(lineSpace, true); + return coordsChar(x - offL.left, y - offL.top); + } + var detectingSelectAll; + function onContextMenu(e) { + var pos = posFromMouse(e), scrollPos = scrollbar.scrollTop; + if (!pos || opera) return; // Opera is difficult. + if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to)) + operation(setCursor)(pos.line, pos.ch); + + var oldCSS = input.style.cssText; + inputDiv.style.position = "absolute"; + input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + + "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; " + + "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; + focusInput(); + resetInput(true); + // Adds "Select all" to context menu in FF + if (posEq(sel.from, sel.to)) input.value = prevInput = " "; + + function rehide() { + inputDiv.style.position = "relative"; + input.style.cssText = oldCSS; + if (ie_lt9) scrollbar.scrollTop = scrollPos; + slowPoll(); + + // Try to detect the user choosing select-all + if (input.selectionStart != null) { + clearTimeout(detectingSelectAll); + var extval = input.value = " " + (posEq(sel.from, sel.to) ? "" : input.value), i = 0; + prevInput = " "; + input.selectionStart = 1; input.selectionEnd = extval.length; + detectingSelectAll = setTimeout(function poll(){ + if (prevInput == " " && input.selectionStart == 0) + operation(commands.selectAll)(instance); + else if (i++ < 10) detectingSelectAll = setTimeout(poll, 500); + else resetInput(); + }, 200); + } + } + + if (gecko) { + e_stop(e); + var mouseup = connect(window, "mouseup", function() { + mouseup(); + setTimeout(rehide, 20); + }, true); + } else { + setTimeout(rehide, 50); + } + } + + // Cursor-blinking + function restartBlink() { + clearInterval(blinker); + var on = true; + cursor.style.visibility = ""; + blinker = setInterval(function() { + cursor.style.visibility = (on = !on) ? "" : "hidden"; + }, options.cursorBlinkRate); + } + + var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"}; + function matchBrackets(autoclear) { + var head = sel.inverted ? sel.from : sel.to, line = getLine(head.line), pos = head.ch - 1; + var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)]; + if (!match) return; + var ch = match.charAt(0), forward = match.charAt(1) == ">", d = forward ? 1 : -1, st = line.styles; + for (var off = pos + 1, i = 0, e = st.length; i < e; i+=2) + if ((off -= st[i].length) <= 0) {var style = st[i+1]; break;} + + var stack = [line.text.charAt(pos)], re = /[(){}[\]]/; + function scan(line, from, to) { + if (!line.text) return; + var st = line.styles, pos = forward ? 0 : line.text.length - 1, cur; + for (var i = forward ? 0 : st.length - 2, e = forward ? st.length : -2; i != e; i += 2*d) { + var text = st[i]; + if (st[i+1] != style) {pos += d * text.length; continue;} + for (var j = forward ? 0 : text.length - 1, te = forward ? text.length : -1; j != te; j += d, pos+=d) { + if (pos >= from && pos < to && re.test(cur = text.charAt(j))) { + var match = matching[cur]; + if (match.charAt(1) == ">" == forward) stack.push(cur); + else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false}; + else if (!stack.length) return {pos: pos, match: true}; + } + } + } + } + for (var i = head.line, e = forward ? Math.min(i + 100, doc.size) : Math.max(-1, i - 100); i != e; i+=d) { + var line = getLine(i), first = i == head.line; + var found = scan(line, first && forward ? pos + 1 : 0, first && !forward ? pos : line.text.length); + if (found) break; + } + if (!found) found = {pos: null, match: false}; + var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; + var one = markText({line: head.line, ch: pos}, {line: head.line, ch: pos+1}, style), + two = found.pos != null && markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style); + var clear = operation(function(){one.clear(); two && two.clear();}); + if (autoclear) setTimeout(clear, 800); + else bracketHighlighted = clear; + } + + // Finds the line to start with when starting a parse. Tries to + // find a line with a stateAfter, so that it can start with a + // valid state. If that fails, it returns the line with the + // smallest indentation, which tends to need the least context to + // parse correctly. + function findStartLine(n) { + var minindent, minline; + for (var search = n, lim = n - 40; search > lim; --search) { + if (search == 0) return 0; + var line = getLine(search-1); + if (line.stateAfter) return search; + var indented = line.indentation(options.tabSize); + if (minline == null || minindent > indented) { + minline = search - 1; + minindent = indented; + } + } + return minline; + } + function getStateBefore(n) { + var pos = findStartLine(n), state = pos && getLine(pos-1).stateAfter; + if (!state) state = startState(mode); + else state = copyState(mode, state); + doc.iter(pos, n, function(line) { + line.process(mode, state, options.tabSize); + line.stateAfter = (pos == n - 1 || pos % 5 == 0) ? copyState(mode, state) : null; + }); + return state; + } + function highlightWorker() { + if (frontier >= showingTo) return; + var end = +new Date + options.workTime, state = copyState(mode, getStateBefore(frontier)); + var startFrontier = frontier; + doc.iter(frontier, showingTo, function(line) { + if (frontier >= showingFrom) { // Visible + line.highlight(mode, state, options.tabSize); + line.stateAfter = copyState(mode, state); + } else { + line.process(mode, state, options.tabSize); + line.stateAfter = frontier % 5 == 0 ? copyState(mode, state) : null; + } + ++frontier; + if (+new Date > end) { + startWorker(options.workDelay); + return true; + } + }); + if (showingTo > startFrontier && frontier >= showingFrom) + operation(function() {changes.push({from: startFrontier, to: frontier});})(); + } + function startWorker(time) { + if (frontier < showingTo) + highlight.set(time, highlightWorker); + } + + // Operations are used to wrap changes in such a way that each + // change won't have to update the cursor and display (which would + // be awkward, slow, and error-prone), but instead updates are + // batched and then all combined and executed at once. + function startOperation() { + updateInput = userSelChange = textChanged = null; + changes = []; selectionChanged = false; callbacks = []; + } + function endOperation() { + if (updateMaxLine) computeMaxLength(); + if (maxLineChanged && !options.lineWrapping) { + var cursorWidth = widthForcer.offsetWidth, left = measureLine(maxLine, maxLine.text.length).left; + if (!ie_lt8) { + widthForcer.style.left = left + "px"; + lineSpace.style.minWidth = (left + cursorWidth) + "px"; + } + maxLineChanged = false; + } + var newScrollPos, updated; + if (selectionChanged) { + var coords = calculateCursorCoords(); + newScrollPos = calculateScrollPos(coords.x, coords.y, coords.x, coords.yBot); + } + if (changes.length || newScrollPos && newScrollPos.scrollTop != null) + updated = updateDisplay(changes, true, newScrollPos && newScrollPos.scrollTop); + if (!updated) { + if (selectionChanged) updateSelection(); + if (gutterDirty) updateGutter(); + } + if (newScrollPos) scrollCursorIntoView(); + if (selectionChanged) restartBlink(); + + if (focused && (updateInput === true || (updateInput !== false && selectionChanged))) + resetInput(userSelChange); + + if (selectionChanged && options.matchBrackets) + setTimeout(operation(function() { + if (bracketHighlighted) {bracketHighlighted(); bracketHighlighted = null;} + if (posEq(sel.from, sel.to)) matchBrackets(false); + }), 20); + var sc = selectionChanged, cbs = callbacks; // these can be reset by callbacks + if (textChanged && options.onChange && instance) + options.onChange(instance, textChanged); + if (sc && options.onCursorActivity) + options.onCursorActivity(instance); + for (var i = 0; i < cbs.length; ++i) cbs[i](instance); + if (updated && options.onUpdate) options.onUpdate(instance); + } + var nestedOperation = 0; + function operation(f) { + return function() { + if (!nestedOperation++) startOperation(); + try {var result = f.apply(this, arguments);} + finally {if (!--nestedOperation) endOperation();} + return result; + }; + } + + function compoundChange(f) { + history.startCompound(); + try { return f(); } finally { history.endCompound(); } + } + + for (var ext in extensions) + if (extensions.propertyIsEnumerable(ext) && + !instance.propertyIsEnumerable(ext)) + instance[ext] = extensions[ext]; + for (var i = 0; i < initHooks.length; ++i) initHooks[i](instance); + return instance; + } // (end of function CodeMirror) + + // The default configuration options. + CodeMirror.defaults = { + value: "", + mode: null, + theme: "default", + indentUnit: 2, + indentWithTabs: false, + smartIndent: true, + tabSize: 4, + keyMap: "default", + extraKeys: null, + electricChars: true, + autoClearEmptyLines: false, + onKeyEvent: null, + onDragEvent: null, + lineWrapping: false, + lineNumbers: false, + gutter: false, + fixedGutter: false, + firstLineNumber: 1, + readOnly: false, + dragDrop: true, + onChange: null, + onCursorActivity: null, + onViewportChange: null, + onGutterClick: null, + onUpdate: null, + onFocus: null, onBlur: null, onScroll: null, + matchBrackets: false, + cursorBlinkRate: 530, + workTime: 100, + workDelay: 200, + pollInterval: 100, + undoDepth: 40, + tabindex: null, + autofocus: null, + lineNumberFormatter: function(integer) { return integer; } + }; + + var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); + var mac = ios || /Mac/.test(navigator.platform); + var win = /Win/.test(navigator.platform); + + // Known modes, by name and by MIME + var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; + CodeMirror.defineMode = function(name, mode) { + if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; + if (arguments.length > 2) { + mode.dependencies = []; + for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]); + } + modes[name] = mode; + }; + CodeMirror.defineMIME = function(mime, spec) { + mimeModes[mime] = spec; + }; + CodeMirror.resolveMode = function(spec) { + if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) + spec = mimeModes[spec]; + else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) + return CodeMirror.resolveMode("application/xml"); + if (typeof spec == "string") return {name: spec}; + else return spec || {name: "null"}; + }; + CodeMirror.getMode = function(options, spec) { + var spec = CodeMirror.resolveMode(spec); + var mfactory = modes[spec.name]; + if (!mfactory) return CodeMirror.getMode(options, "text/plain"); + var modeObj = mfactory(options, spec); + if (modeExtensions.hasOwnProperty(spec.name)) { + var exts = modeExtensions[spec.name]; + for (var prop in exts) if (exts.hasOwnProperty(prop)) modeObj[prop] = exts[prop]; + } + modeObj.name = spec.name; + return modeObj; + }; + CodeMirror.listModes = function() { + var list = []; + for (var m in modes) + if (modes.propertyIsEnumerable(m)) list.push(m); + return list; + }; + CodeMirror.listMIMEs = function() { + var list = []; + for (var m in mimeModes) + if (mimeModes.propertyIsEnumerable(m)) list.push({mime: m, mode: mimeModes[m]}); + return list; + }; + + var extensions = CodeMirror.extensions = {}; + CodeMirror.defineExtension = function(name, func) { + extensions[name] = func; + }; + + var initHooks = []; + CodeMirror.defineInitHook = function(f) {initHooks.push(f);}; + + var modeExtensions = CodeMirror.modeExtensions = {}; + CodeMirror.extendMode = function(mode, properties) { + var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); + for (var prop in properties) if (properties.hasOwnProperty(prop)) + exts[prop] = properties[prop]; + }; + + var commands = CodeMirror.commands = { + selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});}, + killLine: function(cm) { + var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to); + if (!sel && cm.getLine(from.line).length == from.ch) cm.replaceRange("", from, {line: from.line + 1, ch: 0}); + else cm.replaceRange("", from, sel ? to : {line: from.line}); + }, + deleteLine: function(cm) {var l = cm.getCursor().line; cm.replaceRange("", {line: l, ch: 0}, {line: l});}, + undo: function(cm) {cm.undo();}, + redo: function(cm) {cm.redo();}, + goDocStart: function(cm) {cm.setCursor(0, 0, true);}, + goDocEnd: function(cm) {cm.setSelection({line: cm.lineCount() - 1}, null, true);}, + goLineStart: function(cm) {cm.setCursor(cm.getCursor().line, 0, true);}, + goLineStartSmart: function(cm) { + var cur = cm.getCursor(); + var text = cm.getLine(cur.line), firstNonWS = Math.max(0, text.search(/\S/)); + cm.setCursor(cur.line, cur.ch <= firstNonWS && cur.ch ? 0 : firstNonWS, true); + }, + goLineEnd: function(cm) {cm.setSelection({line: cm.getCursor().line}, null, true);}, + goLineUp: function(cm) {cm.moveV(-1, "line");}, + goLineDown: function(cm) {cm.moveV(1, "line");}, + goPageUp: function(cm) {cm.moveV(-1, "page");}, + goPageDown: function(cm) {cm.moveV(1, "page");}, + goCharLeft: function(cm) {cm.moveH(-1, "char");}, + goCharRight: function(cm) {cm.moveH(1, "char");}, + goColumnLeft: function(cm) {cm.moveH(-1, "column");}, + goColumnRight: function(cm) {cm.moveH(1, "column");}, + goWordLeft: function(cm) {cm.moveH(-1, "word");}, + goWordRight: function(cm) {cm.moveH(1, "word");}, + delCharLeft: function(cm) {cm.deleteH(-1, "char");}, + delCharRight: function(cm) {cm.deleteH(1, "char");}, + delWordLeft: function(cm) {cm.deleteH(-1, "word");}, + delWordRight: function(cm) {cm.deleteH(1, "word");}, + indentAuto: function(cm) {cm.indentSelection("smart");}, + indentMore: function(cm) {cm.indentSelection("add");}, + indentLess: function(cm) {cm.indentSelection("subtract");}, + insertTab: function(cm) {cm.replaceSelection("\t", "end");}, + defaultTab: function(cm) { + if (cm.somethingSelected()) cm.indentSelection("add"); + else cm.replaceSelection("\t", "end"); + }, + transposeChars: function(cm) { + var cur = cm.getCursor(), line = cm.getLine(cur.line); + if (cur.ch > 0 && cur.ch < line.length - 1) + cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1), + {line: cur.line, ch: cur.ch - 1}, {line: cur.line, ch: cur.ch + 1}); + }, + newlineAndIndent: function(cm) { + cm.replaceSelection("\n", "end"); + cm.indentLine(cm.getCursor().line); + }, + toggleOverwrite: function(cm) {cm.toggleOverwrite();} + }; + + var keyMap = CodeMirror.keyMap = {}; + keyMap.basic = { + "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", + "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", + "Delete": "delCharRight", "Backspace": "delCharLeft", "Tab": "defaultTab", "Shift-Tab": "indentAuto", + "Enter": "newlineAndIndent", "Insert": "toggleOverwrite" + }; + // Note that the save and find-related commands aren't defined by + // default. Unknown commands are simply ignored. + keyMap.pcDefault = { + "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", + "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd", + "Ctrl-Left": "goWordLeft", "Ctrl-Right": "goWordRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", + "Ctrl-Backspace": "delWordLeft", "Ctrl-Delete": "delWordRight", "Ctrl-S": "save", "Ctrl-F": "find", + "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", + "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", + fallthrough: "basic" + }; + keyMap.macDefault = { + "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", + "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goWordLeft", + "Alt-Right": "goWordRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delWordLeft", + "Ctrl-Alt-Backspace": "delWordRight", "Alt-Delete": "delWordRight", "Cmd-S": "save", "Cmd-F": "find", + "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", + "Cmd-[": "indentLess", "Cmd-]": "indentMore", + fallthrough: ["basic", "emacsy"] + }; + keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; + keyMap.emacsy = { + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", + "Ctrl-V": "goPageUp", "Shift-Ctrl-V": "goPageDown", "Ctrl-D": "delCharRight", "Ctrl-H": "delCharLeft", + "Alt-D": "delWordRight", "Alt-Backspace": "delWordLeft", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" + }; + + function getKeyMap(val) { + if (typeof val == "string") return keyMap[val]; + else return val; + } + function lookupKey(name, extraMap, map, handle, stop) { + function lookup(map) { + map = getKeyMap(map); + var found = map[name]; + if (found === false) { + if (stop) stop(); + return true; + } + if (found != null && handle(found)) return true; + if (map.nofallthrough) { + if (stop) stop(); + return true; + } + var fallthrough = map.fallthrough; + if (fallthrough == null) return false; + if (Object.prototype.toString.call(fallthrough) != "[object Array]") + return lookup(fallthrough); + for (var i = 0, e = fallthrough.length; i < e; ++i) { + if (lookup(fallthrough[i])) return true; + } + return false; + } + if (extraMap && lookup(extraMap)) return true; + return lookup(map); + } + function isModifierKey(event) { + var name = keyNames[e_prop(event, "keyCode")]; + return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; + } + CodeMirror.isModifierKey = isModifierKey; + + CodeMirror.fromTextArea = function(textarea, options) { + if (!options) options = {}; + options.value = textarea.value; + if (!options.tabindex && textarea.tabindex) + options.tabindex = textarea.tabindex; + // Set autofocus to true if this textarea is focused, or if it has + // autofocus and no other element is focused. + if (options.autofocus == null) { + var hasFocus = document.body; + // doc.activeElement occasionally throws on IE + try { hasFocus = document.activeElement; } catch(e) {} + options.autofocus = hasFocus == textarea || + textarea.getAttribute("autofocus") != null && hasFocus == document.body; + } + + function save() {textarea.value = instance.getValue();} + if (textarea.form) { + // Deplorable hack to make the submit method do the right thing. + var rmSubmit = connect(textarea.form, "submit", save, true); + if (typeof textarea.form.submit == "function") { + var realSubmit = textarea.form.submit; + textarea.form.submit = function wrappedSubmit() { + save(); + textarea.form.submit = realSubmit; + textarea.form.submit(); + textarea.form.submit = wrappedSubmit; + }; + } + } + + textarea.style.display = "none"; + var instance = CodeMirror(function(node) { + textarea.parentNode.insertBefore(node, textarea.nextSibling); + }, options); + instance.save = save; + instance.getTextArea = function() { return textarea; }; + instance.toTextArea = function() { + save(); + textarea.parentNode.removeChild(instance.getWrapperElement()); + textarea.style.display = ""; + if (textarea.form) { + rmSubmit(); + if (typeof textarea.form.submit == "function") + textarea.form.submit = realSubmit; + } + }; + return instance; + }; + + var gecko = /gecko\/\d{7}/i.test(navigator.userAgent); + var ie = /MSIE \d/.test(navigator.userAgent); + var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent); + var ie_lt9 = /MSIE [1-8]\b/.test(navigator.userAgent); + var quirksMode = ie && document.documentMode == 5; + var webkit = /WebKit\//.test(navigator.userAgent); + var chrome = /Chrome\//.test(navigator.userAgent); + var opera = /Opera\//.test(navigator.userAgent); + var safari = /Apple Computer/.test(navigator.vendor); + var khtml = /KHTML\//.test(navigator.userAgent); + var mac_geLion = /Mac OS X 10\D([7-9]|\d\d)\D/.test(navigator.userAgent); + + // Utility functions for working with state. Exported because modes + // sometimes need to do this. + function copyState(mode, state) { + if (state === true) return state; + if (mode.copyState) return mode.copyState(state); + var nstate = {}; + for (var n in state) { + var val = state[n]; + if (val instanceof Array) val = val.concat([]); + nstate[n] = val; + } + return nstate; + } + CodeMirror.copyState = copyState; + function startState(mode, a1, a2) { + return mode.startState ? mode.startState(a1, a2) : true; + } + CodeMirror.startState = startState; + CodeMirror.innerMode = function(mode, state) { + while (mode.innerMode) { + var info = mode.innerMode(state); + state = info.state; + mode = info.mode; + } + return info || {mode: mode, state: state}; + }; + + // The character stream used by a mode's parser. + function StringStream(string, tabSize) { + this.pos = this.start = 0; + this.string = string; + this.tabSize = tabSize || 8; + } + StringStream.prototype = { + eol: function() {return this.pos >= this.string.length;}, + sol: function() {return this.pos == 0;}, + peek: function() {return this.string.charAt(this.pos) || undefined;}, + next: function() { + if (this.pos < this.string.length) + return this.string.charAt(this.pos++); + }, + eat: function(match) { + var ch = this.string.charAt(this.pos); + if (typeof match == "string") var ok = ch == match; + else var ok = ch && (match.test ? match.test(ch) : match(ch)); + if (ok) {++this.pos; return ch;} + }, + eatWhile: function(match) { + var start = this.pos; + while (this.eat(match)){} + return this.pos > start; + }, + eatSpace: function() { + var start = this.pos; + while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; + return this.pos > start; + }, + skipToEnd: function() {this.pos = this.string.length;}, + skipTo: function(ch) { + var found = this.string.indexOf(ch, this.pos); + if (found > -1) {this.pos = found; return true;} + }, + backUp: function(n) {this.pos -= n;}, + column: function() {return countColumn(this.string, this.start, this.tabSize);}, + indentation: function() {return countColumn(this.string, null, this.tabSize);}, + match: function(pattern, consume, caseInsensitive) { + if (typeof pattern == "string") { + var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; + if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) { + if (consume !== false) this.pos += pattern.length; + return true; + } + } else { + var match = this.string.slice(this.pos).match(pattern); + if (match && match.index > 0) return null; + if (match && consume !== false) this.pos += match[0].length; + return match; + } + }, + current: function(){return this.string.slice(this.start, this.pos);} + }; + CodeMirror.StringStream = StringStream; + + function MarkedSpan(from, to, marker) { + this.from = from; this.to = to; this.marker = marker; + } + + function getMarkedSpanFor(spans, marker) { + if (spans) for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.marker == marker) return span; + } + } + + function removeMarkedSpan(spans, span) { + var r; + for (var i = 0; i < spans.length; ++i) + if (spans[i] != span) (r || (r = [])).push(spans[i]); + return r; + } + + function markedSpansBefore(old, startCh, endCh) { + if (old) for (var i = 0, nw; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); + if (startsBefore || marker.type == "bookmark" && span.from == startCh && span.from != endCh) { + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); + (nw || (nw = [])).push({from: span.from, + to: endsAfter ? null : span.to, + marker: marker}); + } + } + return nw; + } + + function markedSpansAfter(old, endCh) { + if (old) for (var i = 0, nw; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); + if (endsAfter || marker.type == "bookmark" && span.from == endCh) { + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); + (nw || (nw = [])).push({from: startsBefore ? null : span.from - endCh, + to: span.to == null ? null : span.to - endCh, + marker: marker}); + } + } + return nw; + } + + function updateMarkedSpans(oldFirst, oldLast, startCh, endCh, newText) { + if (!oldFirst && !oldLast) return newText; + // Get the spans that 'stick out' on both sides + var first = markedSpansBefore(oldFirst, startCh); + var last = markedSpansAfter(oldLast, endCh); + + // Next, merge those two ends + var sameLine = newText.length == 1, offset = lst(newText).length + (sameLine ? startCh : 0); + if (first) { + // Fix up .to properties of first + for (var i = 0; i < first.length; ++i) { + var span = first[i]; + if (span.to == null) { + var found = getMarkedSpanFor(last, span.marker); + if (!found) span.to = startCh; + else if (sameLine) span.to = found.to == null ? null : found.to + offset; + } + } + } + if (last) { + // Fix up .from in last (or move them into first in case of sameLine) + for (var i = 0; i < last.length; ++i) { + var span = last[i]; + if (span.to != null) span.to += offset; + if (span.from == null) { + var found = getMarkedSpanFor(first, span.marker); + if (!found) { + span.from = offset; + if (sameLine) (first || (first = [])).push(span); + } + } else { + span.from += offset; + if (sameLine) (first || (first = [])).push(span); + } + } + } + + var newMarkers = [newHL(newText[0], first)]; + if (!sameLine) { + // Fill gap with whole-line-spans + var gap = newText.length - 2, gapMarkers; + if (gap > 0 && first) + for (var i = 0; i < first.length; ++i) + if (first[i].to == null) + (gapMarkers || (gapMarkers = [])).push({from: null, to: null, marker: first[i].marker}); + for (var i = 0; i < gap; ++i) + newMarkers.push(newHL(newText[i+1], gapMarkers)); + newMarkers.push(newHL(lst(newText), last)); + } + return newMarkers; + } + + // hl stands for history-line, a data structure that can be either a + // string (line without markers) or a {text, markedSpans} object. + function hlText(val) { return typeof val == "string" ? val : val.text; } + function hlSpans(val) { + if (typeof val == "string") return null; + var spans = val.markedSpans, out = null; + for (var i = 0; i < spans.length; ++i) { + if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); } + else if (out) out.push(spans[i]); + } + return !out ? spans : out.length ? out : null; + } + function newHL(text, spans) { return spans ? {text: text, markedSpans: spans} : text; } + + function detachMarkedSpans(line) { + var spans = line.markedSpans; + if (!spans) return; + for (var i = 0; i < spans.length; ++i) { + var lines = spans[i].marker.lines; + var ix = indexOf(lines, line); + lines.splice(ix, 1); + } + line.markedSpans = null; + } + + function attachMarkedSpans(line, spans) { + if (!spans) return; + for (var i = 0; i < spans.length; ++i) + var marker = spans[i].marker.lines.push(line); + line.markedSpans = spans; + } + + // When measuring the position of the end of a line, different + // browsers require different approaches. If an empty span is added, + // many browsers report bogus offsets. Of those, some (Webkit, + // recent IE) will accept a space without moving the whole span to + // the next line when wrapping it, others work with a zero-width + // space. + var eolSpanContent = " "; + if (gecko || (ie && !ie_lt8)) eolSpanContent = "\u200b"; + else if (opera) eolSpanContent = ""; + + // Line objects. These hold state related to a line, including + // highlighting info (the styles array). + function Line(text, markedSpans) { + this.text = text; + this.height = 1; + attachMarkedSpans(this, markedSpans); + } + Line.prototype = { + update: function(text, markedSpans) { + this.text = text; + this.stateAfter = this.styles = null; + detachMarkedSpans(this); + attachMarkedSpans(this, markedSpans); + }, + // Run the given mode's parser over a line, update the styles + // array, which contains alternating fragments of text and CSS + // classes. + highlight: function(mode, state, tabSize) { + var stream = new StringStream(this.text, tabSize), st = this.styles || (this.styles = []); + var pos = st.length = 0; + if (this.text == "" && mode.blankLine) mode.blankLine(state); + while (!stream.eol()) { + var style = mode.token(stream, state), substr = stream.current(); + stream.start = stream.pos; + if (pos && st[pos-1] == style) { + st[pos-2] += substr; + } else if (substr) { + st[pos++] = substr; st[pos++] = style; + } + // Give up when line is ridiculously long + if (stream.pos > 5000) { + st[pos++] = this.text.slice(stream.pos); st[pos++] = null; + break; + } + } + }, + process: function(mode, state, tabSize) { + var stream = new StringStream(this.text, tabSize); + if (this.text == "" && mode.blankLine) mode.blankLine(state); + while (!stream.eol() && stream.pos <= 5000) { + mode.token(stream, state); + stream.start = stream.pos; + } + }, + // Fetch the parser token for a given character. Useful for hacks + // that want to inspect the mode state (say, for completion). + getTokenAt: function(mode, state, tabSize, ch) { + var txt = this.text, stream = new StringStream(txt, tabSize); + while (stream.pos < ch && !stream.eol()) { + stream.start = stream.pos; + var style = mode.token(stream, state); + } + return {start: stream.start, + end: stream.pos, + string: stream.current(), + className: style || null, + state: state}; + }, + indentation: function(tabSize) {return countColumn(this.text, null, tabSize);}, + // Produces an HTML fragment for the line, taking selection, + // marking, and highlighting into account. + getContent: function(tabSize, wrapAt, compensateForWrapping) { + var first = true, col = 0, specials = /[\t\u0000-\u0019\u200b\u2028\u2029\uFEFF]/g; + var pre = elt("pre"); + function span_(html, text, style) { + if (!text) return; + // Work around a bug where, in some compat modes, IE ignores leading spaces + if (first && ie && text.charAt(0) == " ") text = "\u00a0" + text.slice(1); + first = false; + if (!specials.test(text)) { + col += text.length; + var content = document.createTextNode(text); + } else { + var content = document.createDocumentFragment(), pos = 0; + while (true) { + specials.lastIndex = pos; + var m = specials.exec(text); + var skipped = m ? m.index - pos : text.length - pos; + if (skipped) { + content.appendChild(document.createTextNode(text.slice(pos, pos + skipped))); + col += skipped; + } + if (!m) break; + pos += skipped + 1; + if (m[0] == "\t") { + var tabWidth = tabSize - col % tabSize; + content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); + col += tabWidth; + } else { + var token = elt("span", "\u2022", "cm-invalidchar"); + token.title = "\\u" + m[0].charCodeAt(0).toString(16); + content.appendChild(token); + col += 1; + } + } + } + if (style) html.appendChild(elt("span", [content], style)); + else html.appendChild(content); + } + var span = span_; + if (wrapAt != null) { + var outPos = 0, anchor = pre.anchor = elt("span"); + span = function(html, text, style) { + var l = text.length; + if (wrapAt >= outPos && wrapAt < outPos + l) { + var cut = wrapAt - outPos; + if (cut) { + span_(html, text.slice(0, cut), style); + // See comment at the definition of spanAffectsWrapping + if (compensateForWrapping) { + var view = text.slice(cut - 1, cut + 1); + if (spanAffectsWrapping.test(view)) html.appendChild(elt("wbr")); + else if (!ie_lt8 && /\w\w/.test(view)) html.appendChild(document.createTextNode("\u200d")); + } + } + html.appendChild(anchor); + span_(anchor, opera ? text.slice(cut, cut + 1) : text.slice(cut), style); + if (opera) span_(html, text.slice(cut + 1), style); + wrapAt--; + outPos += l; + } else { + outPos += l; + span_(html, text, style); + if (outPos == wrapAt && outPos == len) { + setTextContent(anchor, eolSpanContent); + html.appendChild(anchor); + } + // Stop outputting HTML when gone sufficiently far beyond measure + else if (outPos > wrapAt + 10 && /\s/.test(text)) span = function(){}; + } + }; + } + + var st = this.styles, allText = this.text, marked = this.markedSpans; + var len = allText.length; + function styleToClass(style) { + if (!style) return null; + return "cm-" + style.replace(/ +/g, " cm-"); + } + if (!allText && wrapAt == null) { + span(pre, " "); + } else if (!marked || !marked.length) { + for (var i = 0, ch = 0; ch < len; i+=2) { + var str = st[i], style = st[i+1], l = str.length; + if (ch + l > len) str = str.slice(0, len - ch); + ch += l; + span(pre, str, styleToClass(style)); + } + } else { + marked.sort(function(a, b) { return a.from - b.from; }); + var pos = 0, i = 0, text = "", style, sg = 0; + var nextChange = marked[0].from || 0, marks = [], markpos = 0; + var advanceMarks = function() { + var m; + while (markpos < marked.length && + ((m = marked[markpos]).from == pos || m.from == null)) { + if (m.marker.type == "range") marks.push(m); + ++markpos; + } + nextChange = markpos < marked.length ? marked[markpos].from : Infinity; + for (var i = 0; i < marks.length; ++i) { + var to = marks[i].to; + if (to == null) to = Infinity; + if (to == pos) marks.splice(i--, 1); + else nextChange = Math.min(to, nextChange); + } + }; + var m = 0; + while (pos < len) { + if (nextChange == pos) advanceMarks(); + var upto = Math.min(len, nextChange); + while (true) { + if (text) { + var end = pos + text.length; + var appliedStyle = style; + for (var j = 0; j < marks.length; ++j) { + var mark = marks[j]; + appliedStyle = (appliedStyle ? appliedStyle + " " : "") + mark.marker.style; + if (mark.marker.endStyle && mark.to === Math.min(end, upto)) appliedStyle += " " + mark.marker.endStyle; + if (mark.marker.startStyle && mark.from === pos) appliedStyle += " " + mark.marker.startStyle; + } + span(pre, end > upto ? text.slice(0, upto - pos) : text, appliedStyle); + if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} + pos = end; + } + text = st[i++]; style = styleToClass(st[i++]); + } + } + } + return pre; + }, + cleanUp: function() { + this.parent = null; + detachMarkedSpans(this); + } + }; + + // Data structure that holds the sequence of lines. + function LeafChunk(lines) { + this.lines = lines; + this.parent = null; + for (var i = 0, e = lines.length, height = 0; i < e; ++i) { + lines[i].parent = this; + height += lines[i].height; + } + this.height = height; + } + LeafChunk.prototype = { + chunkSize: function() { return this.lines.length; }, + remove: function(at, n, callbacks) { + for (var i = at, e = at + n; i < e; ++i) { + var line = this.lines[i]; + this.height -= line.height; + line.cleanUp(); + if (line.handlers) + for (var j = 0; j < line.handlers.length; ++j) callbacks.push(line.handlers[j]); + } + this.lines.splice(at, n); + }, + collapse: function(lines) { + lines.splice.apply(lines, [lines.length, 0].concat(this.lines)); + }, + insertHeight: function(at, lines, height) { + this.height += height; + this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); + for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this; + }, + iterN: function(at, n, op) { + for (var e = at + n; at < e; ++at) + if (op(this.lines[at])) return true; + } + }; + function BranchChunk(children) { + this.children = children; + var size = 0, height = 0; + for (var i = 0, e = children.length; i < e; ++i) { + var ch = children[i]; + size += ch.chunkSize(); height += ch.height; + ch.parent = this; + } + this.size = size; + this.height = height; + this.parent = null; + } + BranchChunk.prototype = { + chunkSize: function() { return this.size; }, + remove: function(at, n, callbacks) { + this.size -= n; + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var rm = Math.min(n, sz - at), oldHeight = child.height; + child.remove(at, rm, callbacks); + this.height -= oldHeight - child.height; + if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } + if ((n -= rm) == 0) break; + at = 0; + } else at -= sz; + } + if (this.size - n < 25) { + var lines = []; + this.collapse(lines); + this.children = [new LeafChunk(lines)]; + this.children[0].parent = this; + } + }, + collapse: function(lines) { + for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines); + }, + insert: function(at, lines) { + var height = 0; + for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height; + this.insertHeight(at, lines, height); + }, + insertHeight: function(at, lines, height) { + this.size += lines.length; + this.height += height; + for (var i = 0, e = this.children.length; i < e; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at <= sz) { + child.insertHeight(at, lines, height); + if (child.lines && child.lines.length > 50) { + while (child.lines.length > 50) { + var spilled = child.lines.splice(child.lines.length - 25, 25); + var newleaf = new LeafChunk(spilled); + child.height -= newleaf.height; + this.children.splice(i + 1, 0, newleaf); + newleaf.parent = this; + } + this.maybeSpill(); + } + break; + } + at -= sz; + } + }, + maybeSpill: function() { + if (this.children.length <= 10) return; + var me = this; + do { + var spilled = me.children.splice(me.children.length - 5, 5); + var sibling = new BranchChunk(spilled); + if (!me.parent) { // Become the parent node + var copy = new BranchChunk(me.children); + copy.parent = me; + me.children = [copy, sibling]; + me = copy; + } else { + me.size -= sibling.size; + me.height -= sibling.height; + var myIndex = indexOf(me.parent.children, me); + me.parent.children.splice(myIndex + 1, 0, sibling); + } + sibling.parent = me.parent; + } while (me.children.length > 10); + me.parent.maybeSpill(); + }, + iter: function(from, to, op) { this.iterN(from, to - from, op); }, + iterN: function(at, n, op) { + for (var i = 0, e = this.children.length; i < e; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var used = Math.min(n, sz - at); + if (child.iterN(at, used, op)) return true; + if ((n -= used) == 0) break; + at = 0; + } else at -= sz; + } + } + }; + + function getLineAt(chunk, n) { + while (!chunk.lines) { + for (var i = 0;; ++i) { + var child = chunk.children[i], sz = child.chunkSize(); + if (n < sz) { chunk = child; break; } + n -= sz; + } + } + return chunk.lines[n]; + } + function lineNo(line) { + if (line.parent == null) return null; + var cur = line.parent, no = indexOf(cur.lines, line); + for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { + for (var i = 0, e = chunk.children.length; ; ++i) { + if (chunk.children[i] == cur) break; + no += chunk.children[i].chunkSize(); + } + } + return no; + } + function lineAtHeight(chunk, h) { + var n = 0; + outer: do { + for (var i = 0, e = chunk.children.length; i < e; ++i) { + var child = chunk.children[i], ch = child.height; + if (h < ch) { chunk = child; continue outer; } + h -= ch; + n += child.chunkSize(); + } + return n; + } while (!chunk.lines); + for (var i = 0, e = chunk.lines.length; i < e; ++i) { + var line = chunk.lines[i], lh = line.height; + if (h < lh) break; + h -= lh; + } + return n + i; + } + function heightAtLine(chunk, n) { + var h = 0; + outer: do { + for (var i = 0, e = chunk.children.length; i < e; ++i) { + var child = chunk.children[i], sz = child.chunkSize(); + if (n < sz) { chunk = child; continue outer; } + n -= sz; + h += child.height; + } + return h; + } while (!chunk.lines); + for (var i = 0; i < n; ++i) h += chunk.lines[i].height; + return h; + } + + // The history object 'chunks' changes that are made close together + // and at almost the same time into bigger undoable units. + function History() { + this.time = 0; + this.done = []; this.undone = []; + this.compound = 0; + this.closed = false; + } + History.prototype = { + addChange: function(start, added, old) { + this.undone.length = 0; + var time = +new Date, cur = lst(this.done), last = cur && lst(cur); + var dtime = time - this.time; + + if (cur && !this.closed && this.compound) { + cur.push({start: start, added: added, old: old}); + } else if (dtime > 400 || !last || this.closed || + last.start > start + old.length || last.start + last.added < start) { + this.done.push([{start: start, added: added, old: old}]); + this.closed = false; + } else { + var startBefore = Math.max(0, last.start - start), + endAfter = Math.max(0, (start + old.length) - (last.start + last.added)); + for (var i = startBefore; i > 0; --i) last.old.unshift(old[i - 1]); + for (var i = endAfter; i > 0; --i) last.old.push(old[old.length - i]); + if (startBefore) last.start = start; + last.added += added - (old.length - startBefore - endAfter); + } + this.time = time; + }, + startCompound: function() { + if (!this.compound++) this.closed = true; + }, + endCompound: function() { + if (!--this.compound) this.closed = true; + } + }; + + function stopMethod() {e_stop(this);} + // Ensure an event has a stop method. + function addStop(event) { + if (!event.stop) event.stop = stopMethod; + return event; + } + + function e_preventDefault(e) { + if (e.preventDefault) e.preventDefault(); + else e.returnValue = false; + } + function e_stopPropagation(e) { + if (e.stopPropagation) e.stopPropagation(); + else e.cancelBubble = true; + } + function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} + CodeMirror.e_stop = e_stop; + CodeMirror.e_preventDefault = e_preventDefault; + CodeMirror.e_stopPropagation = e_stopPropagation; + + function e_target(e) {return e.target || e.srcElement;} + function e_button(e) { + var b = e.which; + if (b == null) { + if (e.button & 1) b = 1; + else if (e.button & 2) b = 3; + else if (e.button & 4) b = 2; + } + if (mac && e.ctrlKey && b == 1) b = 3; + return b; + } + + // Allow 3rd-party code to override event properties by adding an override + // object to an event object. + function e_prop(e, prop) { + var overridden = e.override && e.override.hasOwnProperty(prop); + return overridden ? e.override[prop] : e[prop]; + } + + // Event handler registration. If disconnect is true, it'll return a + // function that unregisters the handler. + function connect(node, type, handler, disconnect) { + if (typeof node.addEventListener == "function") { + node.addEventListener(type, handler, false); + if (disconnect) return function() {node.removeEventListener(type, handler, false);}; + } else { + var wrapHandler = function(event) {handler(event || window.event);}; + node.attachEvent("on" + type, wrapHandler); + if (disconnect) return function() {node.detachEvent("on" + type, wrapHandler);}; + } + } + CodeMirror.connect = connect; + + function Delayed() {this.id = null;} + Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}}; + + var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; + + // Detect drag-and-drop + var dragAndDrop = function() { + // There is *some* kind of drag-and-drop support in IE6-8, but I + // couldn't get it to work yet. + if (ie_lt9) return false; + var div = elt('div'); + return "draggable" in div || "dragDrop" in div; + }(); + + // Feature-detect whether newlines in textareas are converted to \r\n + var lineSep = function () { + var te = elt("textarea"); + te.value = "foo\nbar"; + if (te.value.indexOf("\r") > -1) return "\r\n"; + return "\n"; + }(); + + // For a reason I have yet to figure out, some browsers disallow + // word wrapping between certain characters *only* if a new inline + // element is started between them. This makes it hard to reliably + // measure the position of things, since that requires inserting an + // extra span. This terribly fragile set of regexps matches the + // character combinations that suffer from this phenomenon on the + // various browsers. + var spanAffectsWrapping = /^$/; // Won't match any two-character string + if (gecko) spanAffectsWrapping = /$'/; + else if (safari) spanAffectsWrapping = /\-[^ \-?]|\?[^ !'\"\),.\-\/:;\?\]\}]/; + else if (chrome) spanAffectsWrapping = /\-[^ \-\.?]|\?[^ \-\.?\]\}:;!'\"\),\/]|[\.!\"#&%\)*+,:;=>\]|\}~][\(\{\[<]|\$'/; + + // Counts the column offset in a string, taking tabs into account. + // Used mostly to find indentation. + function countColumn(string, end, tabSize) { + if (end == null) { + end = string.search(/[^\s\u00a0]/); + if (end == -1) end = string.length; + } + for (var i = 0, n = 0; i < end; ++i) { + if (string.charAt(i) == "\t") n += tabSize - (n % tabSize); + else ++n; + } + return n; + } + + function eltOffset(node, screen) { + // Take the parts of bounding client rect that we are interested in so we are able to edit if need be, + // since the returned value cannot be changed externally (they are kept in sync as the element moves within the page) + try { var box = node.getBoundingClientRect(); box = { top: box.top, left: box.left }; } + catch(e) { box = {top: 0, left: 0}; } + if (!screen) { + // Get the toplevel scroll, working around browser differences. + if (window.pageYOffset == null) { + var t = document.documentElement || document.body.parentNode; + if (t.scrollTop == null) t = document.body; + box.top += t.scrollTop; box.left += t.scrollLeft; + } else { + box.top += window.pageYOffset; box.left += window.pageXOffset; + } + } + return box; + } + + function eltText(node) { + return node.textContent || node.innerText || node.nodeValue || ""; + } + + var spaceStrs = [""]; + function spaceStr(n) { + while (spaceStrs.length <= n) + spaceStrs.push(lst(spaceStrs) + " "); + return spaceStrs[n]; + } + + function lst(arr) { return arr[arr.length-1]; } + + function selectInput(node) { + if (ios) { // Mobile Safari apparently has a bug where select() is broken. + node.selectionStart = 0; + node.selectionEnd = node.value.length; + } else node.select(); + } + + // Operations on {line, ch} objects. + function posEq(a, b) {return a.line == b.line && a.ch == b.ch;} + function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);} + function copyPos(x) {return {line: x.line, ch: x.ch};} + + function elt(tag, content, className, style) { + var e = document.createElement(tag); + if (className) e.className = className; + if (style) e.style.cssText = style; + if (typeof content == "string") setTextContent(e, content); + else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); + return e; + } + function removeChildren(e) { + e.innerHTML = ""; + return e; + } + function removeChildrenAndAdd(parent, e) { + removeChildren(parent).appendChild(e); + } + function setTextContent(e, str) { + if (ie_lt9) { + e.innerHTML = ""; + e.appendChild(document.createTextNode(str)); + } else e.textContent = str; + } + + // Used to position the cursor after an undo/redo by finding the + // last edited character. + function editEnd(from, to) { + if (!to) return 0; + if (!from) return to.length; + for (var i = from.length, j = to.length; i >= 0 && j >= 0; --i, --j) + if (from.charAt(i) != to.charAt(j)) break; + return j + 1; + } + + function indexOf(collection, elt) { + if (collection.indexOf) return collection.indexOf(elt); + for (var i = 0, e = collection.length; i < e; ++i) + if (collection[i] == elt) return i; + return -1; + } + function isWordChar(ch) { + return /\w/.test(ch) || ch.toUpperCase() != ch.toLowerCase() || /[\u4E00-\u9FA5]/.test(ch); + } + + // See if "".split is the broken IE version, if so, provide an + // alternative way to split lines. + var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { + var pos = 0, result = [], l = string.length; + while (pos <= l) { + var nl = string.indexOf("\n", pos); + if (nl == -1) nl = string.length; + var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); + var rt = line.indexOf("\r"); + if (rt != -1) { + result.push(line.slice(0, rt)); + pos += rt + 1; + } else { + result.push(line); + pos = nl + 1; + } + } + return result; + } : function(string){return string.split(/\r\n?|\n/);}; + CodeMirror.splitLines = splitLines; + + var hasSelection = window.getSelection ? function(te) { + try { return te.selectionStart != te.selectionEnd; } + catch(e) { return false; } + } : function(te) { + try {var range = te.ownerDocument.selection.createRange();} + catch(e) {} + if (!range || range.parentElement() != te) return false; + return range.compareEndPoints("StartToEnd", range) != 0; + }; + + CodeMirror.defineMode("null", function() { + return {token: function(stream) {stream.skipToEnd();}}; + }); + CodeMirror.defineMIME("text/plain", "null"); + + var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", + 46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 109: "-", 107: "=", 127: "Delete", + 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", + 221: "]", 222: "'", 63276: "PageUp", 63277: "PageDown", 63275: "End", 63273: "Home", + 63234: "Left", 63232: "Up", 63235: "Right", 63233: "Down", 63302: "Insert", 63272: "Delete"}; + CodeMirror.keyNames = keyNames; + (function() { + // Number keys + for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i); + // Alphabetic keys + for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); + // Function keys + for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; + })(); + + CodeMirror.version = "2.35"; + + return CodeMirror; +})(); diff --git a/lib/client/editor/codemirror/mode/javascript.js b/lib/client/editor/codemirror/mode/javascript.js index 2c2819af..37f6f873 100644 --- a/lib/client/editor/codemirror/mode/javascript.js +++ b/lib/client/editor/codemirror/mode/javascript.js @@ -1,361 +1,409 @@ -CodeMirror.defineMode("javascript", function(config, parserConfig) { - var indentUnit = config.indentUnit; - var jsonMode = parserConfig.json; - - // Tokenizer - - var keywords = function(){ - function kw(type) {return {type: type, style: "keyword"};} - var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"); - var operator = kw("operator"), atom = {type: "atom", style: "atom"}; - return { - "if": A, "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, - "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C, - "var": kw("var"), "const": kw("var"), "let": kw("var"), - "function": kw("function"), "catch": kw("catch"), - "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), - "in": operator, "typeof": operator, "instanceof": operator, - "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom - }; - }(); - - var isOperatorChar = /[+\-*&%=<>!?|]/; - - function chain(stream, state, f) { - state.tokenize = f; - return f(stream, state); - } - - function nextUntilUnescaped(stream, end) { - var escaped = false, next; - while ((next = stream.next()) != null) { - if (next == end && !escaped) - return false; - escaped = !escaped && next == "\\"; - } - return escaped; - } - - // Used as scratch variables to communicate multiple values without - // consing up tons of objects. - var type, content; - function ret(tp, style, cont) { - type = tp; content = cont; - return style; - } - - function jsTokenBase(stream, state) { - var ch = stream.next(); - if (ch == '"' || ch == "'") - return chain(stream, state, jsTokenString(ch)); - else if (/[\[\]{}\(\),;\:\.]/.test(ch)) - return ret(ch); - else if (ch == "0" && stream.eat(/x/i)) { - stream.eatWhile(/[\da-f]/i); - return ret("number", "number"); - } - else if (/\d/.test(ch) || ch == "-" && stream.eat(/\d/)) { - stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); - return ret("number", "number"); - } - else if (ch == "/") { - if (stream.eat("*")) { - return chain(stream, state, jsTokenComment); - } - else if (stream.eat("/")) { - stream.skipToEnd(); - return ret("comment", "comment"); - } - else if (state.reAllowed) { - nextUntilUnescaped(stream, "/"); - stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla - return ret("regexp", "string-2"); - } - else { - stream.eatWhile(isOperatorChar); - return ret("operator", null, stream.current()); - } - } - else if (ch == "#") { - stream.skipToEnd(); - return ret("error", "error"); - } - else if (isOperatorChar.test(ch)) { - stream.eatWhile(isOperatorChar); - return ret("operator", null, stream.current()); - } - else { - stream.eatWhile(/[\w\$_]/); - var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word]; - return (known && state.kwAllowed) ? ret(known.type, known.style, word) : - ret("variable", "variable", word); - } - } - - function jsTokenString(quote) { - return function(stream, state) { - if (!nextUntilUnescaped(stream, quote)) - state.tokenize = jsTokenBase; - return ret("string", "string"); - }; - } - - function jsTokenComment(stream, state) { - var maybeEnd = false, ch; - while (ch = stream.next()) { - if (ch == "/" && maybeEnd) { - state.tokenize = jsTokenBase; - break; - } - maybeEnd = (ch == "*"); - } - return ret("comment", "comment"); - } - - // Parser - - var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true}; - - function JSLexical(indented, column, type, align, prev, info) { - this.indented = indented; - this.column = column; - this.type = type; - this.prev = prev; - this.info = info; - if (align != null) this.align = align; - } - - function inScope(state, varname) { - for (var v = state.localVars; v; v = v.next) - if (v.name == varname) return true; - } - - function parseJS(state, style, type, content, stream) { - var cc = state.cc; - // Communicate our context to the combinators. - // (Less wasteful than consing up a hundred closures on every call.) - cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; - - if (!state.lexical.hasOwnProperty("align")) - state.lexical.align = true; - - while(true) { - var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; - if (combinator(type, content)) { - while(cc.length && cc[cc.length - 1].lex) - cc.pop()(); - if (cx.marked) return cx.marked; - if (type == "variable" && inScope(state, content)) return "variable-2"; - return style; - } - } - } - - // Combinator utils - - var cx = {state: null, column: null, marked: null, cc: null}; - function pass() { - for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); - } - function cont() { - pass.apply(null, arguments); - return true; - } - function register(varname) { - var state = cx.state; - if (state.context) { - cx.marked = "def"; - for (var v = state.localVars; v; v = v.next) - if (v.name == varname) return; - state.localVars = {name: varname, next: state.localVars}; - } - } - - // Combinators - - var defaultVars = {name: "this", next: {name: "arguments"}}; - function pushcontext() { - if (!cx.state.context) cx.state.localVars = defaultVars; - cx.state.context = {prev: cx.state.context, vars: cx.state.localVars}; - } - function popcontext() { - cx.state.localVars = cx.state.context.vars; - cx.state.context = cx.state.context.prev; - } - function pushlex(type, info) { - var result = function() { - var state = cx.state; - state.lexical = new JSLexical(state.indented, cx.stream.column(), type, null, state.lexical, info); - }; - result.lex = true; - return result; - } - function poplex() { - var state = cx.state; - if (state.lexical.prev) { - if (state.lexical.type == ")") - state.indented = state.lexical.indented; - state.lexical = state.lexical.prev; - } - } - poplex.lex = true; - - function expect(wanted) { - return function expecting(type) { - if (type == wanted) return cont(); - else if (wanted == ";") return pass(); - else return cont(arguments.callee); - }; - } - - function statement(type) { - if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex); - if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex); - if (type == "keyword b") return cont(pushlex("form"), statement, poplex); - if (type == "{") return cont(pushlex("}"), block, poplex); - if (type == ";") return cont(); - if (type == "function") return cont(functiondef); - if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"), - poplex, statement, poplex); - if (type == "variable") return cont(pushlex("stat"), maybelabel); - if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), - block, poplex, poplex); - if (type == "case") return cont(expression, expect(":")); - if (type == "default") return cont(expect(":")); - if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), - statement, poplex, popcontext); - return pass(pushlex("stat"), expression, expect(";"), poplex); - } - function expression(type) { - if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator); - if (type == "function") return cont(functiondef); - if (type == "keyword c") return cont(maybeexpression); - if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeoperator); - if (type == "operator") return cont(expression); - if (type == "[") return cont(pushlex("]"), commasep(expression, "]"), poplex, maybeoperator); - if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator); - return cont(); - } - function maybeexpression(type) { - if (type.match(/[;\}\)\],]/)) return pass(); - return pass(expression); - } - - function maybeoperator(type, value) { - if (type == "operator" && /\+\+|--/.test(value)) return cont(maybeoperator); - if (type == "operator" || type == ":") return cont(expression); - if (type == ";") return; - if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator); - if (type == ".") return cont(property, maybeoperator); - if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator); - } - function maybelabel(type) { - if (type == ":") return cont(poplex, statement); - return pass(maybeoperator, expect(";"), poplex); - } - function property(type) { - if (type == "variable") {cx.marked = "property"; return cont();} - } - function objprop(type) { - if (type == "variable") cx.marked = "property"; - if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression); - } - function commasep(what, end) { - function proceed(type) { - if (type == ",") return cont(what, proceed); - if (type == end) return cont(); - return cont(expect(end)); - } - return function commaSeparated(type) { - if (type == end) return cont(); - else return pass(what, proceed); - }; - } - function block(type) { - if (type == "}") return cont(); - return pass(statement, block); - } - function vardef1(type, value) { - if (type == "variable"){register(value); return cont(vardef2);} - return cont(); - } - function vardef2(type, value) { - if (value == "=") return cont(expression, vardef2); - if (type == ",") return cont(vardef1); - } - function forspec1(type) { - if (type == "var") return cont(vardef1, forspec2); - if (type == ";") return pass(forspec2); - if (type == "variable") return cont(formaybein); - return pass(forspec2); - } - function formaybein(type, value) { - if (value == "in") return cont(expression); - return cont(maybeoperator, forspec2); - } - function forspec2(type, value) { - if (type == ";") return cont(forspec3); - if (value == "in") return cont(expression); - return cont(expression, expect(";"), forspec3); - } - function forspec3(type) { - if (type != ")") cont(expression); - } - function functiondef(type, value) { - if (type == "variable") {register(value); return cont(functiondef);} - if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, statement, popcontext); - } - function funarg(type, value) { - if (type == "variable") {register(value); return cont();} - } - - // Interface - - return { - startState: function(basecolumn) { - return { - tokenize: jsTokenBase, - reAllowed: true, - kwAllowed: true, - cc: [], - lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), - localVars: parserConfig.localVars, - context: parserConfig.localVars && {vars: parserConfig.localVars}, - indented: 0 - }; - }, - - token: function(stream, state) { - if (stream.sol()) { - if (!state.lexical.hasOwnProperty("align")) - state.lexical.align = false; - state.indented = stream.indentation(); - } - if (stream.eatSpace()) return null; - var style = state.tokenize(stream, state); - if (type == "comment") return style; - state.reAllowed = !!(type == "operator" || type == "keyword c" || type.match(/^[\[{}\(,;:]$/)); - state.kwAllowed = type != '.'; - return parseJS(state, style, type, content, stream); - }, - - indent: function(state, textAfter) { - if (state.tokenize != jsTokenBase) return 0; - var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical; - if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev; - var type = lexical.type, closing = firstChar == type; - if (type == "vardef") return lexical.indented + 4; - else if (type == "form" && firstChar == "{") return lexical.indented; - else if (type == "stat" || type == "form") return lexical.indented + indentUnit; - else if (lexical.info == "switch" && !closing) - return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); - else if (lexical.align) return lexical.column + (closing ? 0 : 1); - else return lexical.indented + (closing ? 0 : indentUnit); - }, - - electricChars: ":{}" - }; -}); - -CodeMirror.defineMIME("text/javascript", "javascript"); -CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); \ No newline at end of file +// TODO actually recognize syntax of TypeScript constructs + +CodeMirror.defineMode("javascript", function(config, parserConfig) { + var indentUnit = config.indentUnit; + var jsonMode = parserConfig.json; + var isTS = parserConfig.typescript; + + // Tokenizer + + var keywords = function(){ + function kw(type) {return {type: type, style: "keyword"};} + var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"); + var operator = kw("operator"), atom = {type: "atom", style: "atom"}; + + var jsKeywords = { + "if": A, "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, + "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C, + "var": kw("var"), "const": kw("var"), "let": kw("var"), + "function": kw("function"), "catch": kw("catch"), + "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), + "in": operator, "typeof": operator, "instanceof": operator, + "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom + }; + + // Extend the 'normal' keywords with the TypeScript language extensions + if (isTS) { + var type = {type: "variable", style: "variable-3"}; + var tsKeywords = { + // object-like things + "interface": kw("interface"), + "class": kw("class"), + "extends": kw("extends"), + "constructor": kw("constructor"), + + // scope modifiers + "public": kw("public"), + "private": kw("private"), + "protected": kw("protected"), + "static": kw("static"), + + "super": kw("super"), + + // types + "string": type, "number": type, "bool": type, "any": type + }; + + for (var attr in tsKeywords) { + jsKeywords[attr] = tsKeywords[attr]; + } + } + + return jsKeywords; + }(); + + var isOperatorChar = /[+\-*&%=<>!?|]/; + + function chain(stream, state, f) { + state.tokenize = f; + return f(stream, state); + } + + function nextUntilUnescaped(stream, end) { + var escaped = false, next; + while ((next = stream.next()) != null) { + if (next == end && !escaped) + return false; + escaped = !escaped && next == "\\"; + } + return escaped; + } + + // Used as scratch variables to communicate multiple values without + // consing up tons of objects. + var type, content; + function ret(tp, style, cont) { + type = tp; content = cont; + return style; + } + + function jsTokenBase(stream, state) { + var ch = stream.next(); + if (ch == '"' || ch == "'") + return chain(stream, state, jsTokenString(ch)); + else if (/[\[\]{}\(\),;\:\.]/.test(ch)) + return ret(ch); + else if (ch == "0" && stream.eat(/x/i)) { + stream.eatWhile(/[\da-f]/i); + return ret("number", "number"); + } + else if (/\d/.test(ch) || ch == "-" && stream.eat(/\d/)) { + stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); + return ret("number", "number"); + } + else if (ch == "/") { + if (stream.eat("*")) { + return chain(stream, state, jsTokenComment); + } + else if (stream.eat("/")) { + stream.skipToEnd(); + return ret("comment", "comment"); + } + else if (state.lastType == "operator" || state.lastType == "keyword c" || + /^[\[{}\(,;:]$/.test(state.lastType)) { + nextUntilUnescaped(stream, "/"); + stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla + return ret("regexp", "string-2"); + } + else { + stream.eatWhile(isOperatorChar); + return ret("operator", null, stream.current()); + } + } + else if (ch == "#") { + stream.skipToEnd(); + return ret("error", "error"); + } + else if (isOperatorChar.test(ch)) { + stream.eatWhile(isOperatorChar); + return ret("operator", null, stream.current()); + } + else { + stream.eatWhile(/[\w\$_]/); + var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word]; + return (known && state.lastType != ".") ? ret(known.type, known.style, word) : + ret("variable", "variable", word); + } + } + + function jsTokenString(quote) { + return function(stream, state) { + if (!nextUntilUnescaped(stream, quote)) + state.tokenize = jsTokenBase; + return ret("string", "string"); + }; + } + + function jsTokenComment(stream, state) { + var maybeEnd = false, ch; + while (ch = stream.next()) { + if (ch == "/" && maybeEnd) { + state.tokenize = jsTokenBase; + break; + } + maybeEnd = (ch == "*"); + } + return ret("comment", "comment"); + } + + // Parser + + var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true}; + + function JSLexical(indented, column, type, align, prev, info) { + this.indented = indented; + this.column = column; + this.type = type; + this.prev = prev; + this.info = info; + if (align != null) this.align = align; + } + + function inScope(state, varname) { + for (var v = state.localVars; v; v = v.next) + if (v.name == varname) return true; + } + + function parseJS(state, style, type, content, stream) { + var cc = state.cc; + // Communicate our context to the combinators. + // (Less wasteful than consing up a hundred closures on every call.) + cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; + + if (!state.lexical.hasOwnProperty("align")) + state.lexical.align = true; + + while(true) { + var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; + if (combinator(type, content)) { + while(cc.length && cc[cc.length - 1].lex) + cc.pop()(); + if (cx.marked) return cx.marked; + if (type == "variable" && inScope(state, content)) return "variable-2"; + return style; + } + } + } + + // Combinator utils + + var cx = {state: null, column: null, marked: null, cc: null}; + function pass() { + for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); + } + function cont() { + pass.apply(null, arguments); + return true; + } + function register(varname) { + var state = cx.state; + if (state.context) { + cx.marked = "def"; + for (var v = state.localVars; v; v = v.next) + if (v.name == varname) return; + state.localVars = {name: varname, next: state.localVars}; + } + } + + // Combinators + + var defaultVars = {name: "this", next: {name: "arguments"}}; + function pushcontext() { + cx.state.context = {prev: cx.state.context, vars: cx.state.localVars}; + cx.state.localVars = defaultVars; + } + function popcontext() { + cx.state.localVars = cx.state.context.vars; + cx.state.context = cx.state.context.prev; + } + function pushlex(type, info) { + var result = function() { + var state = cx.state; + state.lexical = new JSLexical(state.indented, cx.stream.column(), type, null, state.lexical, info); + }; + result.lex = true; + return result; + } + function poplex() { + var state = cx.state; + if (state.lexical.prev) { + if (state.lexical.type == ")") + state.indented = state.lexical.indented; + state.lexical = state.lexical.prev; + } + } + poplex.lex = true; + + function expect(wanted) { + return function expecting(type) { + if (type == wanted) return cont(); + else if (wanted == ";") return pass(); + else return cont(arguments.callee); + }; + } + + function statement(type) { + if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex); + if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex); + if (type == "keyword b") return cont(pushlex("form"), statement, poplex); + if (type == "{") return cont(pushlex("}"), block, poplex); + if (type == ";") return cont(); + if (type == "function") return cont(functiondef); + if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"), + poplex, statement, poplex); + if (type == "variable") return cont(pushlex("stat"), maybelabel); + if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), + block, poplex, poplex); + if (type == "case") return cont(expression, expect(":")); + if (type == "default") return cont(expect(":")); + if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), + statement, poplex, popcontext); + return pass(pushlex("stat"), expression, expect(";"), poplex); + } + function expression(type) { + if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator); + if (type == "function") return cont(functiondef); + if (type == "keyword c") return cont(maybeexpression); + if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeoperator); + if (type == "operator") return cont(expression); + if (type == "[") return cont(pushlex("]"), commasep(expression, "]"), poplex, maybeoperator); + if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator); + return cont(); + } + function maybeexpression(type) { + if (type.match(/[;\}\)\],]/)) return pass(); + return pass(expression); + } + + function maybeoperator(type, value) { + if (type == "operator" && /\+\+|--/.test(value)) return cont(maybeoperator); + if (type == "operator" && value == "?") return cont(expression, expect(":"), expression); + if (type == ";") return; + if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator); + if (type == ".") return cont(property, maybeoperator); + if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator); + } + function maybelabel(type) { + if (type == ":") return cont(poplex, statement); + return pass(maybeoperator, expect(";"), poplex); + } + function property(type) { + if (type == "variable") {cx.marked = "property"; return cont();} + } + function objprop(type) { + if (type == "variable") cx.marked = "property"; + if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression); + } + function commasep(what, end) { + function proceed(type) { + if (type == ",") return cont(what, proceed); + if (type == end) return cont(); + return cont(expect(end)); + } + return function commaSeparated(type) { + if (type == end) return cont(); + else return pass(what, proceed); + }; + } + function block(type) { + if (type == "}") return cont(); + return pass(statement, block); + } + function maybetype(type) { + if (type == ":") return cont(typedef); + return pass(); + } + function typedef(type) { + if (type == "variable"){cx.marked = "variable-3"; return cont();} + return pass(); + } + function vardef1(type, value) { + if (type == "variable") { + register(value); + return isTS ? cont(maybetype, vardef2) : cont(vardef2); + } + return pass(); + } + function vardef2(type, value) { + if (value == "=") return cont(expression, vardef2); + if (type == ",") return cont(vardef1); + } + function forspec1(type) { + if (type == "var") return cont(vardef1, expect(";"), forspec2); + if (type == ";") return cont(forspec2); + if (type == "variable") return cont(formaybein); + return cont(forspec2); + } + function formaybein(type, value) { + if (value == "in") return cont(expression); + return cont(maybeoperator, forspec2); + } + function forspec2(type, value) { + if (type == ";") return cont(forspec3); + if (value == "in") return cont(expression); + return cont(expression, expect(";"), forspec3); + } + function forspec3(type) { + if (type != ")") cont(expression); + } + function functiondef(type, value) { + if (type == "variable") {register(value); return cont(functiondef);} + if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, statement, popcontext); + } + function funarg(type, value) { + if (type == "variable") {register(value); return isTS ? cont(maybetype) : cont();} + } + + // Interface + + return { + startState: function(basecolumn) { + return { + tokenize: jsTokenBase, + lastType: null, + cc: [], + lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), + localVars: parserConfig.localVars, + context: parserConfig.localVars && {vars: parserConfig.localVars}, + indented: 0 + }; + }, + + token: function(stream, state) { + if (stream.sol()) { + if (!state.lexical.hasOwnProperty("align")) + state.lexical.align = false; + state.indented = stream.indentation(); + } + if (stream.eatSpace()) return null; + var style = state.tokenize(stream, state); + if (type == "comment") return style; + state.lastType = type; + return parseJS(state, style, type, content, stream); + }, + + indent: function(state, textAfter) { + if (state.tokenize == jsTokenComment) return CodeMirror.Pass; + if (state.tokenize != jsTokenBase) return 0; + var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical; + if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev; + var type = lexical.type, closing = firstChar == type; + if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? 4 : 0); + else if (type == "form" && firstChar == "{") return lexical.indented; + else if (type == "form") return lexical.indented + indentUnit; + else if (type == "stat") + return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? indentUnit : 0); + else if (lexical.info == "switch" && !closing) + return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); + else if (lexical.align) return lexical.column + (closing ? 0 : 1); + else return lexical.indented + (closing ? 0 : indentUnit); + }, + + electricChars: ":{}" + }; +}); + +CodeMirror.defineMIME("text/javascript", "javascript"); +CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); +CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true }); +CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true }); diff --git a/lib/client/editor/codemirror/mode/xml.js b/lib/client/editor/codemirror/mode/xml.js index 7a388927..860e368f 100644 --- a/lib/client/editor/codemirror/mode/xml.js +++ b/lib/client/editor/codemirror/mode/xml.js @@ -1,326 +1,318 @@ -CodeMirror.defineMode("xml", function(config, parserConfig) { - var indentUnit = config.indentUnit; - var Kludges = parserConfig.htmlMode ? { - autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true, - 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true, - 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true, - 'track': true, 'wbr': true}, - implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true, - 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true, - 'th': true, 'tr': true}, - contextGrabbers: { - 'dd': {'dd': true, 'dt': true}, - 'dt': {'dd': true, 'dt': true}, - 'li': {'li': true}, - 'option': {'option': true, 'optgroup': true}, - 'optgroup': {'optgroup': true}, - 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true, - 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true, - 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true, - 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true, - 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true}, - 'rp': {'rp': true, 'rt': true}, - 'rt': {'rp': true, 'rt': true}, - 'tbody': {'tbody': true, 'tfoot': true}, - 'td': {'td': true, 'th': true}, - 'tfoot': {'tbody': true}, - 'th': {'td': true, 'th': true}, - 'thead': {'tbody': true, 'tfoot': true}, - 'tr': {'tr': true} - }, - doNotIndent: {"pre": true}, - allowUnquoted: true, - allowMissing: false - } : { - autoSelfClosers: {}, - implicitlyClosed: {}, - contextGrabbers: {}, - doNotIndent: {}, - allowUnquoted: false, - allowMissing: false - }; - var alignCDATA = parserConfig.alignCDATA; - - // Return variables for tokenizers - var tagName, type; - - function inText(stream, state) { - function chain(parser) { - state.tokenize = parser; - return parser(stream, state); - } - - var ch = stream.next(); - if (ch == "<") { - if (stream.eat("!")) { - if (stream.eat("[")) { - if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>")); - else return null; - } - else if (stream.match("--")) return chain(inBlock("comment", "-->")); - else if (stream.match("DOCTYPE", true, true)) { - stream.eatWhile(/[\w\._\-]/); - return chain(doctype(1)); - } - else return null; - } - else if (stream.eat("?")) { - stream.eatWhile(/[\w\._\-]/); - state.tokenize = inBlock("meta", "?>"); - return "meta"; - } - else { - type = stream.eat("/") ? "closeTag" : "openTag"; - stream.eatSpace(); - tagName = ""; - var c; - while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c; - state.tokenize = inTag; - return "tag"; - } - } - else if (ch == "&") { - var ok; - if (stream.eat("#")) { - if (stream.eat("x")) { - ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";"); - } else { - ok = stream.eatWhile(/[\d]/) && stream.eat(";"); - } - } else { - ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";"); - } - return ok ? "atom" : "error"; - } - else { - stream.eatWhile(/[^&<]/); - return null; - } - } - - function inTag(stream, state) { - var ch = stream.next(); - if (ch == ">" || (ch == "/" && stream.eat(">"))) { - state.tokenize = inText; - type = ch == ">" ? "endTag" : "selfcloseTag"; - return "tag"; - } - else if (ch == "=") { - type = "equals"; - return null; - } - else if (/[\'\"]/.test(ch)) { - state.tokenize = inAttribute(ch); - return state.tokenize(stream, state); - } - else { - stream.eatWhile(/[^\s\u00a0=<>\"\'\/?]/); - return "word"; - } - } - - function inAttribute(quote) { - return function(stream, state) { - while (!stream.eol()) { - if (stream.next() == quote) { - state.tokenize = inTag; - break; - } - } - return "string"; - }; - } - - function inBlock(style, terminator) { - return function(stream, state) { - while (!stream.eol()) { - if (stream.match(terminator)) { - state.tokenize = inText; - break; - } - stream.next(); - } - return style; - }; - } - function doctype(depth) { - return function(stream, state) { - var ch; - while ((ch = stream.next()) != null) { - if (ch == "<") { - state.tokenize = doctype(depth + 1); - return state.tokenize(stream, state); - } else if (ch == ">") { - if (depth == 1) { - state.tokenize = inText; - break; - } else { - state.tokenize = doctype(depth - 1); - return state.tokenize(stream, state); - } - } - } - return "meta"; - }; - } - - var curState, setStyle; - function pass() { - for (var i = arguments.length - 1; i >= 0; i--) curState.cc.push(arguments[i]); - } - function cont() { - pass.apply(null, arguments); - return true; - } - - function pushContext(tagName, startOfLine) { - var noIndent = Kludges.doNotIndent.hasOwnProperty(tagName) || (curState.context && curState.context.noIndent); - curState.context = { - prev: curState.context, - tagName: tagName, - indent: curState.indented, - startOfLine: startOfLine, - noIndent: noIndent - }; - } - function popContext() { - if (curState.context) curState.context = curState.context.prev; - } - - function element(type) { - if (type == "openTag") { - curState.tagName = tagName; - return cont(attributes, endtag(curState.startOfLine)); - } else if (type == "closeTag") { - var err = false; - if (curState.context) { - if (curState.context.tagName != tagName) { - if (Kludges.implicitlyClosed.hasOwnProperty(curState.context.tagName.toLowerCase())) { - popContext(); - } - err = !curState.context || curState.context.tagName != tagName; - } - } else { - err = true; - } - if (err) setStyle = "error"; - return cont(endclosetag(err)); - } - return cont(); - } - function endtag(startOfLine) { - return function(type) { - if (type == "selfcloseTag" || - (type == "endTag" && Kludges.autoSelfClosers.hasOwnProperty(curState.tagName.toLowerCase()))) { - maybePopContext(curState.tagName.toLowerCase()); - return cont(); - } - if (type == "endTag") { - maybePopContext(curState.tagName.toLowerCase()); - pushContext(curState.tagName, startOfLine); - return cont(); - } - return cont(); - }; - } - function endclosetag(err) { - return function(type) { - if (err) setStyle = "error"; - if (type == "endTag") { popContext(); return cont(); } - setStyle = "error"; - return cont(arguments.callee); - } - } - function maybePopContext(nextTagName) { - var parentTagName; - while (true) { - if (!curState.context) { - return; - } - parentTagName = curState.context.tagName.toLowerCase(); - if (!Kludges.contextGrabbers.hasOwnProperty(parentTagName) || - !Kludges.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) { - return; - } - popContext(); - } - } - - function attributes(type) { - if (type == "word") {setStyle = "attribute"; return cont(attribute, attributes);} - if (type == "endTag" || type == "selfcloseTag") return pass(); - setStyle = "error"; - return cont(attributes); - } - function attribute(type) { - if (type == "equals") return cont(attvalue, attributes); - if (!Kludges.allowMissing) setStyle = "error"; - return (type == "endTag" || type == "selfcloseTag") ? pass() : cont(); - } - function attvalue(type) { - if (type == "string") return cont(attvaluemaybe); - if (type == "word" && Kludges.allowUnquoted) {setStyle = "string"; return cont();} - setStyle = "error"; - return (type == "endTag" || type == "selfCloseTag") ? pass() : cont(); - } - function attvaluemaybe(type) { - if (type == "string") return cont(attvaluemaybe); - else return pass(); - } - - return { - startState: function() { - return {tokenize: inText, cc: [], indented: 0, startOfLine: true, tagName: null, context: null}; - }, - - token: function(stream, state) { - if (stream.sol()) { - state.startOfLine = true; - state.indented = stream.indentation(); - } - if (stream.eatSpace()) return null; - - setStyle = type = tagName = null; - var style = state.tokenize(stream, state); - state.type = type; - if ((style || type) && style != "comment") { - curState = state; - while (true) { - var comb = state.cc.pop() || element; - if (comb(type || style)) break; - } - } - state.startOfLine = false; - return setStyle || style; - }, - - indent: function(state, textAfter, fullLine) { - var context = state.context; - if ((state.tokenize != inTag && state.tokenize != inText) || - context && context.noIndent) - return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0; - if (alignCDATA && /")); + else return null; + } + else if (stream.match("--")) return chain(inBlock("comment", "-->")); + else if (stream.match("DOCTYPE", true, true)) { + stream.eatWhile(/[\w\._\-]/); + return chain(doctype(1)); + } + else return null; + } + else if (stream.eat("?")) { + stream.eatWhile(/[\w\._\-]/); + state.tokenize = inBlock("meta", "?>"); + return "meta"; + } + else { + type = stream.eat("/") ? "closeTag" : "openTag"; + stream.eatSpace(); + tagName = ""; + var c; + while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c; + state.tokenize = inTag; + return "tag"; + } + } + else if (ch == "&") { + var ok; + if (stream.eat("#")) { + if (stream.eat("x")) { + ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";"); + } else { + ok = stream.eatWhile(/[\d]/) && stream.eat(";"); + } + } else { + ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";"); + } + return ok ? "atom" : "error"; + } + else { + stream.eatWhile(/[^&<]/); + return null; + } + } + + function inTag(stream, state) { + var ch = stream.next(); + if (ch == ">" || (ch == "/" && stream.eat(">"))) { + state.tokenize = inText; + type = ch == ">" ? "endTag" : "selfcloseTag"; + return "tag"; + } + else if (ch == "=") { + type = "equals"; + return null; + } + else if (/[\'\"]/.test(ch)) { + state.tokenize = inAttribute(ch); + return state.tokenize(stream, state); + } + else { + stream.eatWhile(/[^\s\u00a0=<>\"\'\/?]/); + return "word"; + } + } + + function inAttribute(quote) { + return function(stream, state) { + while (!stream.eol()) { + if (stream.next() == quote) { + state.tokenize = inTag; + break; + } + } + return "string"; + }; + } + + function inBlock(style, terminator) { + return function(stream, state) { + while (!stream.eol()) { + if (stream.match(terminator)) { + state.tokenize = inText; + break; + } + stream.next(); + } + return style; + }; + } + function doctype(depth) { + return function(stream, state) { + var ch; + while ((ch = stream.next()) != null) { + if (ch == "<") { + state.tokenize = doctype(depth + 1); + return state.tokenize(stream, state); + } else if (ch == ">") { + if (depth == 1) { + state.tokenize = inText; + break; + } else { + state.tokenize = doctype(depth - 1); + return state.tokenize(stream, state); + } + } + } + return "meta"; + }; + } + + var curState, setStyle; + function pass() { + for (var i = arguments.length - 1; i >= 0; i--) curState.cc.push(arguments[i]); + } + function cont() { + pass.apply(null, arguments); + return true; + } + + function pushContext(tagName, startOfLine) { + var noIndent = Kludges.doNotIndent.hasOwnProperty(tagName) || (curState.context && curState.context.noIndent); + curState.context = { + prev: curState.context, + tagName: tagName, + indent: curState.indented, + startOfLine: startOfLine, + noIndent: noIndent + }; + } + function popContext() { + if (curState.context) curState.context = curState.context.prev; + } + + function element(type) { + if (type == "openTag") { + curState.tagName = tagName; + return cont(attributes, endtag(curState.startOfLine)); + } else if (type == "closeTag") { + var err = false; + if (curState.context) { + if (curState.context.tagName != tagName) { + if (Kludges.implicitlyClosed.hasOwnProperty(curState.context.tagName.toLowerCase())) { + popContext(); + } + err = !curState.context || curState.context.tagName != tagName; + } + } else { + err = true; + } + if (err) setStyle = "error"; + return cont(endclosetag(err)); + } + return cont(); + } + function endtag(startOfLine) { + return function(type) { + if (type == "selfcloseTag" || + (type == "endTag" && Kludges.autoSelfClosers.hasOwnProperty(curState.tagName.toLowerCase()))) { + maybePopContext(curState.tagName.toLowerCase()); + return cont(); + } + if (type == "endTag") { + maybePopContext(curState.tagName.toLowerCase()); + pushContext(curState.tagName, startOfLine); + return cont(); + } + return cont(); + }; + } + function endclosetag(err) { + return function(type) { + if (err) setStyle = "error"; + if (type == "endTag") { popContext(); return cont(); } + setStyle = "error"; + return cont(arguments.callee); + }; + } + function maybePopContext(nextTagName) { + var parentTagName; + while (true) { + if (!curState.context) { + return; + } + parentTagName = curState.context.tagName.toLowerCase(); + if (!Kludges.contextGrabbers.hasOwnProperty(parentTagName) || + !Kludges.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) { + return; + } + popContext(); + } + } + + function attributes(type) { + if (type == "word") {setStyle = "attribute"; return cont(attribute, attributes);} + if (type == "endTag" || type == "selfcloseTag") return pass(); + setStyle = "error"; + return cont(attributes); + } + function attribute(type) { + if (type == "equals") return cont(attvalue, attributes); + if (!Kludges.allowMissing) setStyle = "error"; + return (type == "endTag" || type == "selfcloseTag") ? pass() : cont(); + } + function attvalue(type) { + if (type == "string") return cont(attvaluemaybe); + if (type == "word" && Kludges.allowUnquoted) {setStyle = "string"; return cont();} + setStyle = "error"; + return (type == "endTag" || type == "selfCloseTag") ? pass() : cont(); + } + function attvaluemaybe(type) { + if (type == "string") return cont(attvaluemaybe); + else return pass(); + } + + return { + startState: function() { + return {tokenize: inText, cc: [], indented: 0, startOfLine: true, tagName: null, context: null}; + }, + + token: function(stream, state) { + if (stream.sol()) { + state.startOfLine = true; + state.indented = stream.indentation(); + } + if (stream.eatSpace()) return null; + + setStyle = type = tagName = null; + var style = state.tokenize(stream, state); + state.type = type; + if ((style || type) && style != "comment") { + curState = state; + while (true) { + var comb = state.cc.pop() || element; + if (comb(type || style)) break; + } + } + state.startOfLine = false; + return setStyle || style; + }, + + indent: function(state, textAfter, fullLine) { + var context = state.context; + if ((state.tokenize != inTag && state.tokenize != inText) || + context && context.noIndent) + return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0; + if (alignCDATA && / - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. - -Please note that some subdirectories of the CodeMirror distribution -include their own LICENSE files, and are released under different -licences. diff --git a/lib/client/editor/codemirror_v2/README.md b/lib/client/editor/codemirror_v2/README.md deleted file mode 100644 index 8ed9871a..00000000 --- a/lib/client/editor/codemirror_v2/README.md +++ /dev/null @@ -1,8 +0,0 @@ -# CodeMirror [![Build Status](https://secure.travis-ci.org/marijnh/CodeMirror.png?branch=master)](http://travis-ci.org/marijnh/CodeMirror) - -CodeMirror is a JavaScript component that provides a code editor in -the browser. When a mode is available for the language you are coding -in, it will color your code, and optionally help with indentation. - -The project page is http://codemirror.net -The manual is at http://codemirror.net/doc/manual.html diff --git a/lib/client/editor/codemirror_v2/codemirror.css b/lib/client/editor/codemirror_v2/codemirror.css deleted file mode 100644 index 41b8d09e..00000000 --- a/lib/client/editor/codemirror_v2/codemirror.css +++ /dev/null @@ -1,174 +0,0 @@ -.CodeMirror { - line-height: 1em; - font-family: monospace; - - /* Necessary so the scrollbar can be absolutely positioned within the wrapper on Lion. */ - position: relative; - /* This prevents unwanted scrollbars from showing up on the body and wrapper in IE. */ - overflow: hidden; -} - -.CodeMirror-scroll { - overflow: auto; - height: 300px; - /* This is needed to prevent an IE[67] bug where the scrolled content - is visible outside of the scrolling box. */ - position: relative; - outline: none; -} - -/* Vertical scrollbar */ -.CodeMirror-scrollbar { - position: absolute; - right: 0; top: 0; - overflow-x: hidden; - overflow-y: scroll; - z-index: 5; -} -.CodeMirror-scrollbar-inner { - /* This needs to have a nonzero width in order for the scrollbar to appear - in Firefox and IE9. */ - width: 1px; -} -.CodeMirror-scrollbar.cm-sb-overlap { - /* Ensure that the scrollbar appears in Lion, and that it overlaps the content - rather than sitting to the right of it. */ - position: absolute; - z-index: 1; - float: none; - right: 0; - min-width: 12px; -} -.CodeMirror-scrollbar.cm-sb-nonoverlap { - min-width: 12px; -} -.CodeMirror-scrollbar.cm-sb-ie7 { - min-width: 18px; -} - -.CodeMirror-gutter { - position: absolute; left: 0; top: 0; - z-index: 10; - background-color: #f7f7f7; - border-right: 1px solid #eee; - min-width: 2em; - height: 100%; -} -.CodeMirror-gutter-text { - color: #aaa; - text-align: right; - padding: .4em .2em .4em .4em; - white-space: pre !important; - cursor: default; -} -.CodeMirror-lines { - padding: .4em; - white-space: pre; - cursor: text; -} - -.CodeMirror pre { - -moz-border-radius: 0; - -webkit-border-radius: 0; - -o-border-radius: 0; - border-radius: 0; - border-width: 0; margin: 0; padding: 0; background: transparent; - font-family: inherit; - font-size: inherit; - padding: 0; margin: 0; - white-space: pre; - word-wrap: normal; - line-height: inherit; - color: inherit; - overflow: visible; -} - -.CodeMirror-wrap pre { - word-wrap: break-word; - white-space: pre-wrap; - word-break: normal; -} -.CodeMirror-wrap .CodeMirror-scroll { - overflow-x: hidden; -} - -.CodeMirror textarea { - outline: none !important; -} - -.CodeMirror pre.CodeMirror-cursor { - z-index: 10; - position: absolute; - visibility: hidden; - border-left: 1px solid black; - border-right: none; - width: 0; -} -.cm-keymap-fat-cursor pre.CodeMirror-cursor { - width: auto; - border: 0; - background: transparent; - background: rgba(0, 200, 0, .4); - filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#6600c800, endColorstr=#4c00c800); -} -/* Kludge to turn off filter in ie9+, which also accepts rgba */ -.cm-keymap-fat-cursor pre.CodeMirror-cursor:not(#nonsense_id) { - filter: progid:DXImageTransform.Microsoft.gradient(enabled=false); -} -.CodeMirror pre.CodeMirror-cursor.CodeMirror-overwrite {} -.CodeMirror-focused pre.CodeMirror-cursor { - visibility: visible; -} - -div.CodeMirror-selected { background: #d9d9d9; } -.CodeMirror-focused div.CodeMirror-selected { background: #d7d4f0; } - -.CodeMirror-searching { - background: #ffa; - background: rgba(255, 255, 0, .4); -} - -/* Default theme */ - -.cm-s-default span.cm-keyword {color: #708;} -.cm-s-default span.cm-atom {color: #219;} -.cm-s-default span.cm-number {color: #164;} -.cm-s-default span.cm-def {color: #00f;} -.cm-s-default span.cm-variable {color: black;} -.cm-s-default span.cm-variable-2 {color: #05a;} -.cm-s-default span.cm-variable-3 {color: #085;} -.cm-s-default span.cm-property {color: black;} -.cm-s-default span.cm-operator {color: black;} -.cm-s-default span.cm-comment {color: #a50;} -.cm-s-default span.cm-string {color: #a11;} -.cm-s-default span.cm-string-2 {color: #f50;} -.cm-s-default span.cm-meta {color: #555;} -.cm-s-default span.cm-error {color: #f00;} -.cm-s-default span.cm-qualifier {color: #555;} -.cm-s-default span.cm-builtin {color: #30a;} -.cm-s-default span.cm-bracket {color: #997;} -.cm-s-default span.cm-tag {color: #170;} -.cm-s-default span.cm-attribute {color: #00c;} -.cm-s-default span.cm-header {color: blue;} -.cm-s-default span.cm-quote {color: #090;} -.cm-s-default span.cm-hr {color: #999;} -.cm-s-default span.cm-link {color: #00c;} - -span.cm-header, span.cm-strong {font-weight: bold;} -span.cm-em {font-style: italic;} -span.cm-emstrong {font-style: italic; font-weight: bold;} -span.cm-link {text-decoration: underline;} - -span.cm-invalidchar {color: #f00;} - -div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;} -div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} - -@media print { - - /* Hide the cursor when printing */ - .CodeMirror pre.CodeMirror-cursor { - visibility: hidden; - } - -} diff --git a/lib/client/editor/codemirror_v2/codemirror.js b/lib/client/editor/codemirror_v2/codemirror.js deleted file mode 100644 index e49481b5..00000000 --- a/lib/client/editor/codemirror_v2/codemirror.js +++ /dev/null @@ -1,3165 +0,0 @@ -// CodeMirror version 2.35 -// -// All functions that need access to the editor's state live inside -// the CodeMirror function. Below that, at the bottom of the file, -// some utilities are defined. - -// CodeMirror is the only global var we claim -window.CodeMirror = (function() { - "use strict"; - // This is the function that produces an editor instance. Its - // closure is used to store the editor state. - function CodeMirror(place, givenOptions) { - // Determine effective options based on given values and defaults. - var options = {}, defaults = CodeMirror.defaults; - for (var opt in defaults) - if (defaults.hasOwnProperty(opt)) - options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt]; - - var input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em"); - input.setAttribute("wrap", "off"); input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off"); - // Wraps and hides input textarea - var inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); - // The empty scrollbar content, used solely for managing the scrollbar thumb. - var scrollbarInner = elt("div", null, "CodeMirror-scrollbar-inner"); - // The vertical scrollbar. Horizontal scrolling is handled by the scroller itself. - var scrollbar = elt("div", [scrollbarInner], "CodeMirror-scrollbar"); - // DIVs containing the selection and the actual code - var lineDiv = elt("div"), selectionDiv = elt("div", null, null, "position: relative; z-index: -1"); - // Blinky cursor, and element used to ensure cursor fits at the end of a line - var cursor = elt("pre", "\u00a0", "CodeMirror-cursor"), widthForcer = elt("pre", "\u00a0", "CodeMirror-cursor", "visibility: hidden"); - // Used to measure text size - var measure = elt("div", null, null, "position: absolute; width: 100%; height: 0px; overflow: hidden; visibility: hidden;"); - var lineSpace = elt("div", [measure, cursor, widthForcer, selectionDiv, lineDiv], null, "position: relative; z-index: 0"); - var gutterText = elt("div", null, "CodeMirror-gutter-text"), gutter = elt("div", [gutterText], "CodeMirror-gutter"); - // Moved around its parent to cover visible view - var mover = elt("div", [gutter, elt("div", [lineSpace], "CodeMirror-lines")], null, "position: relative"); - // Set to the height of the text, causes scrolling - var sizer = elt("div", [mover], null, "position: relative"); - // Provides scrolling - var scroller = elt("div", [sizer], "CodeMirror-scroll"); - scroller.setAttribute("tabIndex", "-1"); - // The element in which the editor lives. - var wrapper = elt("div", [inputDiv, scrollbar, scroller], "CodeMirror" + (options.lineWrapping ? " CodeMirror-wrap" : "")); - if (place.appendChild) place.appendChild(wrapper); else place(wrapper); - - themeChanged(); keyMapChanged(); - // Needed to hide big blue blinking cursor on Mobile Safari - if (ios) input.style.width = "0px"; - if (!webkit) scroller.draggable = true; - lineSpace.style.outline = "none"; - if (options.tabindex != null) input.tabIndex = options.tabindex; - if (options.autofocus) focusInput(); - if (!options.gutter && !options.lineNumbers) gutter.style.display = "none"; - // Needed to handle Tab key in KHTML - if (khtml) inputDiv.style.height = "1px", inputDiv.style.position = "absolute"; - - // Check for OS X >= 10.7. This has transparent scrollbars, so the - // overlaying of one scrollbar with another won't work. This is a - // temporary hack to simply turn off the overlay scrollbar. See - // issue #727. - if (mac_geLion) { scrollbar.style.zIndex = -2; scrollbar.style.visibility = "hidden"; } - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - else if (ie_lt8) scrollbar.style.minWidth = "18px"; - - // Delayed object wrap timeouts, making sure only one is active. blinker holds an interval. - var poll = new Delayed(), highlight = new Delayed(), blinker; - - // mode holds a mode API object. doc is the tree of Line objects, - // frontier is the point up to which the content has been parsed, - // and history the undo history (instance of History constructor). - var mode, doc = new BranchChunk([new LeafChunk([new Line("")])]), frontier = 0, focused; - loadMode(); - // The selection. These are always maintained to point at valid - // positions. Inverted is used to remember that the user is - // selecting bottom-to-top. - var sel = {from: {line: 0, ch: 0}, to: {line: 0, ch: 0}, inverted: false}; - // Selection-related flags. shiftSelecting obviously tracks - // whether the user is holding shift. - var shiftSelecting, lastClick, lastDoubleClick, lastScrollTop = 0, draggingText, - overwrite = false, suppressEdits = false, pasteIncoming = false; - // Variables used by startOperation/endOperation to track what - // happened during the operation. - var updateInput, userSelChange, changes, textChanged, selectionChanged, - gutterDirty, callbacks; - // Current visible range (may be bigger than the view window). - var displayOffset = 0, showingFrom = 0, showingTo = 0, lastSizeC = 0; - // bracketHighlighted is used to remember that a bracket has been - // marked. - var bracketHighlighted; - // Tracks the maximum line length so that the horizontal scrollbar - // can be kept static when scrolling. - var maxLine = getLine(0), updateMaxLine = false, maxLineChanged = true; - var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll - var goalColumn = null; - - // Initialize the content. - operation(function(){setValue(options.value || ""); updateInput = false;})(); - var history = new History(); - - // Register our event handlers. - connect(scroller, "mousedown", operation(onMouseDown)); - connect(scroller, "dblclick", operation(onDoubleClick)); - connect(lineSpace, "selectstart", e_preventDefault); - // Gecko browsers fire contextmenu *after* opening the menu, at - // which point we can't mess with it anymore. Context menu is - // handled in onMouseDown for Gecko. - if (!gecko) connect(scroller, "contextmenu", onContextMenu); - connect(scroller, "scroll", onScrollMain); - connect(scrollbar, "scroll", onScrollBar); - connect(scrollbar, "mousedown", function() {if (focused) setTimeout(focusInput, 0);}); - var resizeHandler = connect(window, "resize", function() { - if (wrapper.parentNode) updateDisplay(true); - else resizeHandler(); - }, true); - connect(input, "keyup", operation(onKeyUp)); - connect(input, "input", fastPoll); - connect(input, "keydown", operation(onKeyDown)); - connect(input, "keypress", operation(onKeyPress)); - connect(input, "focus", onFocus); - connect(input, "blur", onBlur); - - function drag_(e) { - if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; - e_stop(e); - } - if (options.dragDrop) { - connect(scroller, "dragstart", onDragStart); - connect(scroller, "dragenter", drag_); - connect(scroller, "dragover", drag_); - connect(scroller, "drop", operation(onDrop)); - } - connect(scroller, "paste", function(){focusInput(); fastPoll();}); - connect(input, "paste", function(){pasteIncoming = true; fastPoll();}); - connect(input, "cut", operation(function(){ - if (!options.readOnly) replaceSelection(""); - })); - - // Needed to handle Tab key in KHTML - if (khtml) connect(sizer, "mouseup", function() { - if (document.activeElement == input) input.blur(); - focusInput(); - }); - - // IE throws unspecified error in certain cases, when - // trying to access activeElement before onload - var hasFocus; try { hasFocus = (document.activeElement == input); } catch(e) { } - if (hasFocus || options.autofocus) setTimeout(onFocus, 20); - else onBlur(); - - function isLine(l) {return l >= 0 && l < doc.size;} - // The instance object that we'll return. Mostly calls out to - // local functions in the CodeMirror function. Some do some extra - // range checking and/or clipping. operation is used to wrap the - // call so that changes it makes are tracked, and the display is - // updated afterwards. - var instance = wrapper.CodeMirror = { - getValue: getValue, - setValue: operation(setValue), - getSelection: getSelection, - replaceSelection: operation(replaceSelection), - focus: function(){window.focus(); focusInput(); onFocus(); fastPoll();}, - setOption: function(option, value) { - var oldVal = options[option]; - options[option] = value; - if (option == "mode" || option == "indentUnit") loadMode(); - else if (option == "readOnly" && value == "nocursor") {onBlur(); input.blur();} - else if (option == "readOnly" && !value) {resetInput(true);} - else if (option == "theme") themeChanged(); - else if (option == "lineWrapping" && oldVal != value) operation(wrappingChanged)(); - else if (option == "tabSize") updateDisplay(true); - else if (option == "keyMap") keyMapChanged(); - else if (option == "tabindex") input.tabIndex = value; - if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber" || - option == "theme" || option == "lineNumberFormatter") { - gutterChanged(); - updateDisplay(true); - } - }, - getOption: function(option) {return options[option];}, - getMode: function() {return mode;}, - undo: operation(undo), - redo: operation(redo), - indentLine: operation(function(n, dir) { - if (typeof dir != "string") { - if (dir == null) dir = options.smartIndent ? "smart" : "prev"; - else dir = dir ? "add" : "subtract"; - } - if (isLine(n)) indentLine(n, dir); - }), - indentSelection: operation(indentSelected), - historySize: function() {return {undo: history.done.length, redo: history.undone.length};}, - clearHistory: function() {history = new History();}, - setHistory: function(histData) { - history = new History(); - history.done = histData.done; - history.undone = histData.undone; - }, - getHistory: function() { - function cp(arr) { - for (var i = 0, nw = [], nwelt; i < arr.length; ++i) { - nw.push(nwelt = []); - for (var j = 0, elt = arr[i]; j < elt.length; ++j) { - var old = [], cur = elt[j]; - nwelt.push({start: cur.start, added: cur.added, old: old}); - for (var k = 0; k < cur.old.length; ++k) old.push(hlText(cur.old[k])); - } - } - return nw; - } - return {done: cp(history.done), undone: cp(history.undone)}; - }, - matchBrackets: operation(function(){matchBrackets(true);}), - getTokenAt: operation(function(pos) { - pos = clipPos(pos); - return getLine(pos.line).getTokenAt(mode, getStateBefore(pos.line), options.tabSize, pos.ch); - }), - getStateAfter: function(line) { - line = clipLine(line == null ? doc.size - 1: line); - return getStateBefore(line + 1); - }, - cursorCoords: function(start, mode) { - if (start == null) start = sel.inverted; - return this.charCoords(start ? sel.from : sel.to, mode); - }, - charCoords: function(pos, mode) { - pos = clipPos(pos); - if (mode == "local") return localCoords(pos, false); - if (mode == "div") return localCoords(pos, true); - return pageCoords(pos); - }, - coordsChar: function(coords) { - var off = eltOffset(lineSpace); - return coordsChar(coords.x - off.left, coords.y - off.top); - }, - markText: operation(markText), - setBookmark: setBookmark, - findMarksAt: findMarksAt, - setMarker: operation(addGutterMarker), - clearMarker: operation(removeGutterMarker), - setLineClass: operation(setLineClass), - hideLine: operation(function(h) {return setLineHidden(h, true);}), - showLine: operation(function(h) {return setLineHidden(h, false);}), - onDeleteLine: function(line, f) { - if (typeof line == "number") { - if (!isLine(line)) return null; - line = getLine(line); - } - (line.handlers || (line.handlers = [])).push(f); - return line; - }, - lineInfo: lineInfo, - getViewport: function() { return {from: showingFrom, to: showingTo};}, - addWidget: function(pos, node, scroll, vert, horiz) { - pos = localCoords(clipPos(pos)); - var top = pos.yBot, left = pos.x; - node.style.position = "absolute"; - sizer.appendChild(node); - if (vert == "over") top = pos.y; - else if (vert == "near") { - var vspace = Math.max(scroller.offsetHeight, doc.height * textHeight()), - hspace = Math.max(sizer.clientWidth, lineSpace.clientWidth) - paddingLeft(); - if (pos.yBot + node.offsetHeight > vspace && pos.y > node.offsetHeight) - top = pos.y - node.offsetHeight; - if (left + node.offsetWidth > hspace) - left = hspace - node.offsetWidth; - } - node.style.top = (top + paddingTop()) + "px"; - node.style.left = node.style.right = ""; - if (horiz == "right") { - left = sizer.clientWidth - node.offsetWidth; - node.style.right = "0px"; - } else { - if (horiz == "left") left = 0; - else if (horiz == "middle") left = (sizer.clientWidth - node.offsetWidth) / 2; - node.style.left = (left + paddingLeft()) + "px"; - } - if (scroll) - scrollIntoView(left, top, left + node.offsetWidth, top + node.offsetHeight); - }, - - lineCount: function() {return doc.size;}, - clipPos: clipPos, - getCursor: function(start) { - if (start == null) start = sel.inverted; - return copyPos(start ? sel.from : sel.to); - }, - somethingSelected: function() {return !posEq(sel.from, sel.to);}, - setCursor: operation(function(line, ch, user) { - if (ch == null && typeof line.line == "number") setCursor(line.line, line.ch, user); - else setCursor(line, ch, user); - }), - setSelection: operation(function(from, to, user) { - (user ? setSelectionUser : setSelection)(clipPos(from), clipPos(to || from)); - }), - getLine: function(line) {if (isLine(line)) return getLine(line).text;}, - getLineHandle: function(line) {if (isLine(line)) return getLine(line);}, - setLine: operation(function(line, text) { - if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: getLine(line).text.length}); - }), - removeLine: operation(function(line) { - if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0})); - }), - replaceRange: operation(replaceRange), - getRange: function(from, to, lineSep) {return getRange(clipPos(from), clipPos(to), lineSep);}, - - triggerOnKeyDown: operation(onKeyDown), - execCommand: function(cmd) {return commands[cmd](instance);}, - // Stuff used by commands, probably not much use to outside code. - moveH: operation(moveH), - deleteH: operation(deleteH), - moveV: operation(moveV), - toggleOverwrite: function() { - if(overwrite){ - overwrite = false; - cursor.className = cursor.className.replace(" CodeMirror-overwrite", ""); - } else { - overwrite = true; - cursor.className += " CodeMirror-overwrite"; - } - }, - - posFromIndex: function(off) { - var lineNo = 0, ch; - doc.iter(0, doc.size, function(line) { - var sz = line.text.length + 1; - if (sz > off) { ch = off; return true; } - off -= sz; - ++lineNo; - }); - return clipPos({line: lineNo, ch: ch}); - }, - indexFromPos: function (coords) { - if (coords.line < 0 || coords.ch < 0) return 0; - var index = coords.ch; - doc.iter(0, coords.line, function (line) { - index += line.text.length + 1; - }); - return index; - }, - scrollTo: function(x, y) { - if (x != null) scroller.scrollLeft = x; - if (y != null) scrollbar.scrollTop = scroller.scrollTop = y; - updateDisplay([]); - }, - getScrollInfo: function() { - return {x: scroller.scrollLeft, y: scrollbar.scrollTop, - height: scrollbar.scrollHeight, width: scroller.scrollWidth}; - }, - setSize: function(width, height) { - function interpret(val) { - val = String(val); - return /^\d+$/.test(val) ? val + "px" : val; - } - if (width != null) wrapper.style.width = interpret(width); - if (height != null) scroller.style.height = interpret(height); - instance.refresh(); - }, - - operation: function(f){return operation(f)();}, - compoundChange: function(f){return compoundChange(f);}, - refresh: function(){ - updateDisplay(true, null, lastScrollTop); - if (scrollbar.scrollHeight > lastScrollTop) - scrollbar.scrollTop = lastScrollTop; - }, - getInputField: function(){return input;}, - getWrapperElement: function(){return wrapper;}, - getScrollerElement: function(){return scroller;}, - getGutterElement: function(){return gutter;} - }; - - function getLine(n) { return getLineAt(doc, n); } - function updateLineHeight(line, height) { - gutterDirty = true; - var diff = height - line.height; - for (var n = line; n; n = n.parent) n.height += diff; - } - - function lineContent(line, wrapAt) { - if (!line.styles) - line.highlight(mode, line.stateAfter = getStateBefore(lineNo(line)), options.tabSize); - return line.getContent(options.tabSize, wrapAt, options.lineWrapping); - } - - function setValue(code) { - var top = {line: 0, ch: 0}; - updateLines(top, {line: doc.size - 1, ch: getLine(doc.size-1).text.length}, - splitLines(code), top, top); - updateInput = true; - } - function getValue(lineSep) { - var text = []; - doc.iter(0, doc.size, function(line) { text.push(line.text); }); - return text.join(lineSep || "\n"); - } - - function onScrollBar(e) { - if (scrollbar.scrollTop != lastScrollTop) { - lastScrollTop = scroller.scrollTop = scrollbar.scrollTop; - updateDisplay([]); - } - } - - function onScrollMain(e) { - if (options.fixedGutter && gutter.style.left != scroller.scrollLeft + "px") - gutter.style.left = scroller.scrollLeft + "px"; - if (scroller.scrollTop != lastScrollTop) { - lastScrollTop = scroller.scrollTop; - if (scrollbar.scrollTop != lastScrollTop) - scrollbar.scrollTop = lastScrollTop; - updateDisplay([]); - } - if (options.onScroll) options.onScroll(instance); - } - - function onMouseDown(e) { - setShift(e_prop(e, "shiftKey")); - // Check whether this is a click in a widget - for (var n = e_target(e); n != wrapper; n = n.parentNode) - if (n.parentNode == sizer && n != mover) return; - - // See if this is a click in the gutter - for (var n = e_target(e); n != wrapper; n = n.parentNode) - if (n.parentNode == gutterText) { - if (options.onGutterClick) - options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom, e); - return e_preventDefault(e); - } - - var start = posFromMouse(e); - - switch (e_button(e)) { - case 3: - if (gecko) onContextMenu(e); - return; - case 2: - if (start) setCursor(start.line, start.ch, true); - setTimeout(focusInput, 20); - e_preventDefault(e); - return; - } - // For button 1, if it was clicked inside the editor - // (posFromMouse returning non-null), we have to adjust the - // selection. - if (!start) {if (e_target(e) == scroller) e_preventDefault(e); return;} - - if (!focused) onFocus(); - - var now = +new Date, type = "single"; - if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) { - type = "triple"; - e_preventDefault(e); - setTimeout(focusInput, 20); - selectLine(start.line); - } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) { - type = "double"; - lastDoubleClick = {time: now, pos: start}; - e_preventDefault(e); - var word = findWordAt(start); - setSelectionUser(word.from, word.to); - } else { lastClick = {time: now, pos: start}; } - - function dragEnd(e2) { - if (webkit) scroller.draggable = false; - draggingText = false; - up(); drop(); - if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { - e_preventDefault(e2); - setCursor(start.line, start.ch, true); - focusInput(); - } - } - var last = start, going; - if (options.dragDrop && dragAndDrop && !options.readOnly && !posEq(sel.from, sel.to) && - !posLess(start, sel.from) && !posLess(sel.to, start) && type == "single") { - // Let the drag handler handle this. - if (webkit) scroller.draggable = true; - var up = connect(document, "mouseup", operation(dragEnd), true); - var drop = connect(scroller, "drop", operation(dragEnd), true); - draggingText = true; - // IE's approach to draggable - if (scroller.dragDrop) scroller.dragDrop(); - return; - } - e_preventDefault(e); - if (type == "single") setCursor(start.line, start.ch, true); - - var startstart = sel.from, startend = sel.to; - - function doSelect(cur) { - if (type == "single") { - setSelectionUser(start, cur); - } else if (type == "double") { - var word = findWordAt(cur); - if (posLess(cur, startstart)) setSelectionUser(word.from, startend); - else setSelectionUser(startstart, word.to); - } else if (type == "triple") { - if (posLess(cur, startstart)) setSelectionUser(startend, clipPos({line: cur.line, ch: 0})); - else setSelectionUser(startstart, clipPos({line: cur.line + 1, ch: 0})); - } - } - - function extend(e) { - var cur = posFromMouse(e, true); - if (cur && !posEq(cur, last)) { - if (!focused) onFocus(); - last = cur; - doSelect(cur); - updateInput = false; - var visible = visibleLines(); - if (cur.line >= visible.to || cur.line < visible.from) - going = setTimeout(operation(function(){extend(e);}), 150); - } - } - - function done(e) { - clearTimeout(going); - var cur = posFromMouse(e); - if (cur) doSelect(cur); - e_preventDefault(e); - focusInput(); - updateInput = true; - move(); up(); - } - var move = connect(document, "mousemove", operation(function(e) { - clearTimeout(going); - e_preventDefault(e); - if (!ie && !e_button(e)) done(e); - else extend(e); - }), true); - var up = connect(document, "mouseup", operation(done), true); - } - function onDoubleClick(e) { - for (var n = e_target(e); n != wrapper; n = n.parentNode) - if (n.parentNode == gutterText) return e_preventDefault(e); - e_preventDefault(e); - } - function onDrop(e) { - if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; - e_preventDefault(e); - var pos = posFromMouse(e, true), files = e.dataTransfer.files; - if (!pos || options.readOnly) return; - if (files && files.length && window.FileReader && window.File) { - var n = files.length, text = Array(n), read = 0; - var loadFile = function(file, i) { - var reader = new FileReader; - reader.onload = function() { - text[i] = reader.result; - if (++read == n) { - pos = clipPos(pos); - operation(function() { - var end = replaceRange(text.join(""), pos, pos); - setSelectionUser(pos, end); - })(); - } - }; - reader.readAsText(file); - }; - for (var i = 0; i < n; ++i) loadFile(files[i], i); - } else { - // Don't do a replace if the drop happened inside of the selected text. - if (draggingText && !(posLess(pos, sel.from) || posLess(sel.to, pos))) return; - try { - var text = e.dataTransfer.getData("Text"); - if (text) { - compoundChange(function() { - var curFrom = sel.from, curTo = sel.to; - setSelectionUser(pos, pos); - if (draggingText) replaceRange("", curFrom, curTo); - replaceSelection(text); - focusInput(); - }); - } - } - catch(e){} - } - } - function onDragStart(e) { - var txt = getSelection(); - e.dataTransfer.setData("Text", txt); - - // Use dummy image instead of default browsers image. - if (e.dataTransfer.setDragImage) - e.dataTransfer.setDragImage(elt('img'), 0, 0); - } - - function doHandleBinding(bound, dropShift) { - if (typeof bound == "string") { - bound = commands[bound]; - if (!bound) return false; - } - var prevShift = shiftSelecting; - try { - if (options.readOnly) suppressEdits = true; - if (dropShift) shiftSelecting = null; - bound(instance); - } catch(e) { - if (e != Pass) throw e; - return false; - } finally { - shiftSelecting = prevShift; - suppressEdits = false; - } - return true; - } - var maybeTransition; - function handleKeyBinding(e) { - // Handle auto keymap transitions - var startMap = getKeyMap(options.keyMap), next = startMap.auto; - clearTimeout(maybeTransition); - if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() { - if (getKeyMap(options.keyMap) == startMap) { - options.keyMap = (next.call ? next.call(null, instance) : next); - } - }, 50); - - var name = keyNames[e_prop(e, "keyCode")], handled = false; - var flipCtrlCmd = opera && mac; - if (name == null || e.altGraphKey) return false; - if (e_prop(e, "altKey")) name = "Alt-" + name; - if (e_prop(e, flipCtrlCmd ? "metaKey" : "ctrlKey")) name = "Ctrl-" + name; - if (e_prop(e, flipCtrlCmd ? "ctrlKey" : "metaKey")) name = "Cmd-" + name; - - var stopped = false; - function stop() { stopped = true; } - - if (e_prop(e, "shiftKey")) { - handled = lookupKey("Shift-" + name, options.extraKeys, options.keyMap, - function(b) {return doHandleBinding(b, true);}, stop) - || lookupKey(name, options.extraKeys, options.keyMap, function(b) { - if (typeof b == "string" && /^go[A-Z]/.test(b)) return doHandleBinding(b); - }, stop); - } else { - handled = lookupKey(name, options.extraKeys, options.keyMap, doHandleBinding, stop); - } - if (stopped) handled = false; - if (handled) { - e_preventDefault(e); - restartBlink(); - if (ie) { e.oldKeyCode = e.keyCode; e.keyCode = 0; } - } - return handled; - } - function handleCharBinding(e, ch) { - var handled = lookupKey("'" + ch + "'", options.extraKeys, - options.keyMap, function(b) { return doHandleBinding(b, true); }); - if (handled) { - e_preventDefault(e); - restartBlink(); - } - return handled; - } - - var lastStoppedKey = null; - function onKeyDown(e) { - if (!focused) onFocus(); - if (ie && e.keyCode == 27) { e.returnValue = false; } - if (pollingFast) { if (readInput()) pollingFast = false; } - if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; - var code = e_prop(e, "keyCode"); - // IE does strange things with escape. - setShift(code == 16 || e_prop(e, "shiftKey")); - // First give onKeyEvent option a chance to handle this. - var handled = handleKeyBinding(e); - if (opera) { - lastStoppedKey = handled ? code : null; - // Opera has no cut event... we try to at least catch the key combo - if (!handled && code == 88 && e_prop(e, mac ? "metaKey" : "ctrlKey")) - replaceSelection(""); - } - } - function onKeyPress(e) { - if (pollingFast) readInput(); - if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; - var keyCode = e_prop(e, "keyCode"), charCode = e_prop(e, "charCode"); - if (opera && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} - if (((opera && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(e)) return; - var ch = String.fromCharCode(charCode == null ? keyCode : charCode); - if (options.electricChars && mode.electricChars && options.smartIndent && !options.readOnly) { - if (mode.electricChars.indexOf(ch) > -1) - setTimeout(operation(function() {indentLine(sel.to.line, "smart");}), 75); - } - if (handleCharBinding(e, ch)) return; - fastPoll(); - } - function onKeyUp(e) { - if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; - if (e_prop(e, "keyCode") == 16) shiftSelecting = null; - } - - function onFocus() { - if (options.readOnly == "nocursor") return; - if (!focused) { - if (options.onFocus) options.onFocus(instance); - focused = true; - if (scroller.className.search(/\bCodeMirror-focused\b/) == -1) - scroller.className += " CodeMirror-focused"; - } - slowPoll(); - restartBlink(); - } - function onBlur() { - if (focused) { - if (options.onBlur) options.onBlur(instance); - focused = false; - if (bracketHighlighted) - operation(function(){ - if (bracketHighlighted) { bracketHighlighted(); bracketHighlighted = null; } - })(); - scroller.className = scroller.className.replace(" CodeMirror-focused", ""); - } - clearInterval(blinker); - setTimeout(function() {if (!focused) shiftSelecting = null;}, 150); - } - - // Replace the range from from to to by the strings in newText. - // Afterwards, set the selection to selFrom, selTo. - function updateLines(from, to, newText, selFrom, selTo) { - if (suppressEdits) return; - var old = []; - doc.iter(from.line, to.line + 1, function(line) { - old.push(newHL(line.text, line.markedSpans)); - }); - if (history) { - history.addChange(from.line, newText.length, old); - while (history.done.length > options.undoDepth) history.done.shift(); - } - var lines = updateMarkedSpans(hlSpans(old[0]), hlSpans(lst(old)), from.ch, to.ch, newText); - updateLinesNoUndo(from, to, lines, selFrom, selTo); - } - function unredoHelper(from, to) { - if (!from.length) return; - var set = from.pop(), out = []; - for (var i = set.length - 1; i >= 0; i -= 1) { - var change = set[i]; - var replaced = [], end = change.start + change.added; - doc.iter(change.start, end, function(line) { replaced.push(newHL(line.text, line.markedSpans)); }); - out.push({start: change.start, added: change.old.length, old: replaced}); - var pos = {line: change.start + change.old.length - 1, - ch: editEnd(hlText(lst(replaced)), hlText(lst(change.old)))}; - updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: getLine(end-1).text.length}, - change.old, pos, pos); - } - updateInput = true; - to.push(out); - } - function undo() {unredoHelper(history.done, history.undone);} - function redo() {unredoHelper(history.undone, history.done);} - - function updateLinesNoUndo(from, to, lines, selFrom, selTo) { - if (suppressEdits) return; - var recomputeMaxLength = false, maxLineLength = maxLine.text.length; - if (!options.lineWrapping) - doc.iter(from.line, to.line + 1, function(line) { - if (!line.hidden && line.text.length == maxLineLength) {recomputeMaxLength = true; return true;} - }); - if (from.line != to.line || lines.length > 1) gutterDirty = true; - - var nlines = to.line - from.line, firstLine = getLine(from.line), lastLine = getLine(to.line); - var lastHL = lst(lines); - - // First adjust the line structure - if (from.ch == 0 && to.ch == 0 && hlText(lastHL) == "") { - // This is a whole-line replace. Treated specially to make - // sure line objects move the way they are supposed to. - var added = [], prevLine = null; - for (var i = 0, e = lines.length - 1; i < e; ++i) - added.push(new Line(hlText(lines[i]), hlSpans(lines[i]))); - lastLine.update(lastLine.text, hlSpans(lastHL)); - if (nlines) doc.remove(from.line, nlines, callbacks); - if (added.length) doc.insert(from.line, added); - } else if (firstLine == lastLine) { - if (lines.length == 1) { - firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]) + firstLine.text.slice(to.ch), hlSpans(lines[0])); - } else { - for (var added = [], i = 1, e = lines.length - 1; i < e; ++i) - added.push(new Line(hlText(lines[i]), hlSpans(lines[i]))); - added.push(new Line(hlText(lastHL) + firstLine.text.slice(to.ch), hlSpans(lastHL))); - firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0])); - doc.insert(from.line + 1, added); - } - } else if (lines.length == 1) { - firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]) + lastLine.text.slice(to.ch), hlSpans(lines[0])); - doc.remove(from.line + 1, nlines, callbacks); - } else { - var added = []; - firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0])); - lastLine.update(hlText(lastHL) + lastLine.text.slice(to.ch), hlSpans(lastHL)); - for (var i = 1, e = lines.length - 1; i < e; ++i) - added.push(new Line(hlText(lines[i]), hlSpans(lines[i]))); - if (nlines > 1) doc.remove(from.line + 1, nlines - 1, callbacks); - doc.insert(from.line + 1, added); - } - if (options.lineWrapping) { - var perLine = Math.max(5, scroller.clientWidth / charWidth() - 3); - doc.iter(from.line, from.line + lines.length, function(line) { - if (line.hidden) return; - var guess = Math.ceil(line.text.length / perLine) || 1; - if (guess != line.height) updateLineHeight(line, guess); - }); - } else { - doc.iter(from.line, from.line + lines.length, function(line) { - var l = line.text; - if (!line.hidden && l.length > maxLineLength) { - maxLine = line; maxLineLength = l.length; maxLineChanged = true; - recomputeMaxLength = false; - } - }); - if (recomputeMaxLength) updateMaxLine = true; - } - - // Adjust frontier, schedule worker - frontier = Math.min(frontier, from.line); - startWorker(400); - - var lendiff = lines.length - nlines - 1; - // Remember that these lines changed, for updating the display - changes.push({from: from.line, to: to.line + 1, diff: lendiff}); - if (options.onChange) { - // Normalize lines to contain only strings, since that's what - // the change event handler expects - for (var i = 0; i < lines.length; ++i) - if (typeof lines[i] != "string") lines[i] = lines[i].text; - var changeObj = {from: from, to: to, text: lines}; - if (textChanged) { - for (var cur = textChanged; cur.next; cur = cur.next) {} - cur.next = changeObj; - } else textChanged = changeObj; - } - - // Update the selection - function updateLine(n) {return n <= Math.min(to.line, to.line + lendiff) ? n : n + lendiff;} - setSelection(clipPos(selFrom), clipPos(selTo), - updateLine(sel.from.line), updateLine(sel.to.line)); - } - - function needsScrollbar() { - var realHeight = doc.height * textHeight() + 2 * paddingTop(); - return realHeight * .99 > scroller.offsetHeight ? realHeight : false; - } - - function updateVerticalScroll(scrollTop) { - var scrollHeight = needsScrollbar(); - scrollbar.style.display = scrollHeight ? "block" : "none"; - if (scrollHeight) { - scrollbarInner.style.height = sizer.style.minHeight = scrollHeight + "px"; - scrollbar.style.height = scroller.clientHeight + "px"; - if (scrollTop != null) { - scrollbar.scrollTop = scroller.scrollTop = scrollTop; - // 'Nudge' the scrollbar to work around a Webkit bug where, - // in some situations, we'd end up with a scrollbar that - // reported its scrollTop (and looked) as expected, but - // *behaved* as if it was still in a previous state (i.e. - // couldn't scroll up, even though it appeared to be at the - // bottom). - if (webkit) setTimeout(function() { - if (scrollbar.scrollTop != scrollTop) return; - scrollbar.scrollTop = scrollTop + (scrollTop ? -1 : 1); - scrollbar.scrollTop = scrollTop; - }, 0); - } - } else { - sizer.style.minHeight = ""; - } - // Position the mover div to align with the current virtual scroll position - mover.style.top = displayOffset * textHeight() + "px"; - } - - function computeMaxLength() { - maxLine = getLine(0); maxLineChanged = true; - var maxLineLength = maxLine.text.length; - doc.iter(1, doc.size, function(line) { - var l = line.text; - if (!line.hidden && l.length > maxLineLength) { - maxLineLength = l.length; maxLine = line; - } - }); - updateMaxLine = false; - } - - function replaceRange(code, from, to) { - from = clipPos(from); - if (!to) to = from; else to = clipPos(to); - code = splitLines(code); - function adjustPos(pos) { - if (posLess(pos, from)) return pos; - if (!posLess(to, pos)) return end; - var line = pos.line + code.length - (to.line - from.line) - 1; - var ch = pos.ch; - if (pos.line == to.line) - ch += lst(code).length - (to.ch - (to.line == from.line ? from.ch : 0)); - return {line: line, ch: ch}; - } - var end; - replaceRange1(code, from, to, function(end1) { - end = end1; - return {from: adjustPos(sel.from), to: adjustPos(sel.to)}; - }); - return end; - } - function replaceSelection(code, collapse) { - replaceRange1(splitLines(code), sel.from, sel.to, function(end) { - if (collapse == "end") return {from: end, to: end}; - else if (collapse == "start") return {from: sel.from, to: sel.from}; - else return {from: sel.from, to: end}; - }); - } - function replaceRange1(code, from, to, computeSel) { - var endch = code.length == 1 ? code[0].length + from.ch : lst(code).length; - var newSel = computeSel({line: from.line + code.length - 1, ch: endch}); - updateLines(from, to, code, newSel.from, newSel.to); - } - - function getRange(from, to, lineSep) { - var l1 = from.line, l2 = to.line; - if (l1 == l2) return getLine(l1).text.slice(from.ch, to.ch); - var code = [getLine(l1).text.slice(from.ch)]; - doc.iter(l1 + 1, l2, function(line) { code.push(line.text); }); - code.push(getLine(l2).text.slice(0, to.ch)); - return code.join(lineSep || "\n"); - } - function getSelection(lineSep) { - return getRange(sel.from, sel.to, lineSep); - } - - function slowPoll() { - if (pollingFast) return; - poll.set(options.pollInterval, function() { - readInput(); - if (focused) slowPoll(); - }); - } - function fastPoll() { - var missed = false; - pollingFast = true; - function p() { - var changed = readInput(); - if (!changed && !missed) {missed = true; poll.set(60, p);} - else {pollingFast = false; slowPoll();} - } - poll.set(20, p); - } - - // Previnput is a hack to work with IME. If we reset the textarea - // on every change, that breaks IME. So we look for changes - // compared to the previous content instead. (Modern browsers have - // events that indicate IME taking place, but these are not widely - // supported or compatible enough yet to rely on.) - var prevInput = ""; - function readInput() { - if (!focused || hasSelection(input) || options.readOnly) return false; - var text = input.value; - if (text == prevInput) return false; - if (!nestedOperation) startOperation(); - shiftSelecting = null; - var same = 0, l = Math.min(prevInput.length, text.length); - while (same < l && prevInput[same] == text[same]) ++same; - if (same < prevInput.length) - sel.from = {line: sel.from.line, ch: sel.from.ch - (prevInput.length - same)}; - else if (overwrite && posEq(sel.from, sel.to) && !pasteIncoming) - sel.to = {line: sel.to.line, ch: Math.min(getLine(sel.to.line).text.length, sel.to.ch + (text.length - same))}; - replaceSelection(text.slice(same), "end"); - if (text.length > 1000) { input.value = prevInput = ""; } - else prevInput = text; - if (!nestedOperation) endOperation(); - pasteIncoming = false; - return true; - } - function resetInput(user) { - if (!posEq(sel.from, sel.to)) { - prevInput = ""; - input.value = getSelection(); - if (focused) selectInput(input); - } else if (user) prevInput = input.value = ""; - } - - function focusInput() { - if (options.readOnly != "nocursor") input.focus(); - } - - function scrollCursorIntoView() { - var coords = calculateCursorCoords(); - scrollIntoView(coords.x, coords.y, coords.x, coords.yBot); - if (!focused) return; - var box = sizer.getBoundingClientRect(), doScroll = null; - if (coords.y + box.top < 0) doScroll = true; - else if (coords.y + box.top + textHeight() > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; - if (doScroll != null) { - var hidden = cursor.style.display == "none"; - if (hidden) { - cursor.style.display = ""; - cursor.style.left = coords.x + "px"; - cursor.style.top = (coords.y - displayOffset) + "px"; - } - cursor.scrollIntoView(doScroll); - if (hidden) cursor.style.display = "none"; - } - } - function calculateCursorCoords() { - var cursor = localCoords(sel.inverted ? sel.from : sel.to); - var x = options.lineWrapping ? Math.min(cursor.x, lineSpace.offsetWidth) : cursor.x; - return {x: x, y: cursor.y, yBot: cursor.yBot}; - } - function scrollIntoView(x1, y1, x2, y2) { - var scrollPos = calculateScrollPos(x1, y1, x2, y2); - if (scrollPos.scrollLeft != null) {scroller.scrollLeft = scrollPos.scrollLeft;} - if (scrollPos.scrollTop != null) {scrollbar.scrollTop = scroller.scrollTop = scrollPos.scrollTop;} - } - function calculateScrollPos(x1, y1, x2, y2) { - var pl = paddingLeft(), pt = paddingTop(); - y1 += pt; y2 += pt; x1 += pl; x2 += pl; - var screen = scroller.clientHeight, screentop = scrollbar.scrollTop, result = {}; - var docBottom = needsScrollbar() || Infinity; - var atTop = y1 < pt + 10, atBottom = y2 + pt > docBottom - 10; - if (y1 < screentop) result.scrollTop = atTop ? 0 : Math.max(0, y1); - else if (y2 > screentop + screen) result.scrollTop = (atBottom ? docBottom : y2) - screen; - - var screenw = scroller.clientWidth, screenleft = scroller.scrollLeft; - var gutterw = options.fixedGutter ? gutter.clientWidth : 0; - var atLeft = x1 < gutterw + pl + 10; - if (x1 < screenleft + gutterw || atLeft) { - if (atLeft) x1 = 0; - result.scrollLeft = Math.max(0, x1 - 10 - gutterw); - } else if (x2 > screenw + screenleft - 3) { - result.scrollLeft = x2 + 10 - screenw; - } - return result; - } - - function visibleLines(scrollTop) { - var lh = textHeight(), top = (scrollTop != null ? scrollTop : scrollbar.scrollTop) - paddingTop(); - var fromHeight = Math.max(0, Math.floor(top / lh)); - var toHeight = Math.ceil((top + scroller.clientHeight) / lh); - return {from: lineAtHeight(doc, fromHeight), - to: lineAtHeight(doc, toHeight)}; - } - // Uses a set of changes plus the current scroll position to - // determine which DOM updates have to be made, and makes the - // updates. - function updateDisplay(changes, suppressCallback, scrollTop) { - if (!scroller.clientWidth) { - showingFrom = showingTo = displayOffset = 0; - return; - } - // Compute the new visible window - // If scrollTop is specified, use that to determine which lines - // to render instead of the current scrollbar position. - var visible = visibleLines(scrollTop); - // Bail out if the visible area is already rendered and nothing changed. - if (changes !== true && changes.length == 0 && visible.from > showingFrom && visible.to < showingTo) { - updateVerticalScroll(scrollTop); - return; - } - var from = Math.max(visible.from - 100, 0), to = Math.min(doc.size, visible.to + 100); - if (showingFrom < from && from - showingFrom < 20) from = showingFrom; - if (showingTo > to && showingTo - to < 20) to = Math.min(doc.size, showingTo); - - // Create a range of theoretically intact lines, and punch holes - // in that using the change info. - var intact = changes === true ? [] : - computeIntact([{from: showingFrom, to: showingTo, domStart: 0}], changes); - // Clip off the parts that won't be visible - var intactLines = 0; - for (var i = 0; i < intact.length; ++i) { - var range = intact[i]; - if (range.from < from) {range.domStart += (from - range.from); range.from = from;} - if (range.to > to) range.to = to; - if (range.from >= range.to) intact.splice(i--, 1); - else intactLines += range.to - range.from; - } - if (intactLines == to - from && from == showingFrom && to == showingTo) { - updateVerticalScroll(scrollTop); - return; - } - intact.sort(function(a, b) {return a.domStart - b.domStart;}); - - var th = textHeight(), gutterDisplay = gutter.style.display; - lineDiv.style.display = "none"; - patchDisplay(from, to, intact); - lineDiv.style.display = gutter.style.display = ""; - - var different = from != showingFrom || to != showingTo || lastSizeC != scroller.clientHeight + th; - // This is just a bogus formula that detects when the editor is - // resized or the font size changes. - if (different) lastSizeC = scroller.clientHeight + th; - if (from != showingFrom || to != showingTo && options.onViewportChange) - setTimeout(function(){ - if (options.onViewportChange) options.onViewportChange(instance, from, to); - }); - showingFrom = from; showingTo = to; - displayOffset = heightAtLine(doc, from); - startWorker(100); - - // Since this is all rather error prone, it is honoured with the - // only assertion in the whole file. - if (lineDiv.childNodes.length != showingTo - showingFrom) - throw new Error("BAD PATCH! " + JSON.stringify(intact) + " size=" + (showingTo - showingFrom) + - " nodes=" + lineDiv.childNodes.length); - - function checkHeights() { - var curNode = lineDiv.firstChild, heightChanged = false; - doc.iter(showingFrom, showingTo, function(line) { - // Work around bizarro IE7 bug where, sometimes, our curNode - // is magically replaced with a new node in the DOM, leaving - // us with a reference to an orphan (nextSibling-less) node. - if (!curNode) return; - if (!line.hidden) { - var height = Math.round(curNode.offsetHeight / th) || 1; - if (line.height != height) { - updateLineHeight(line, height); - gutterDirty = heightChanged = true; - } - } - curNode = curNode.nextSibling; - }); - return heightChanged; - } - - if (options.lineWrapping) checkHeights(); - - gutter.style.display = gutterDisplay; - if (different || gutterDirty) { - // If the gutter grew in size, re-check heights. If those changed, re-draw gutter. - updateGutter() && options.lineWrapping && checkHeights() && updateGutter(); - } - updateVerticalScroll(scrollTop); - updateSelection(); - if (!suppressCallback && options.onUpdate) options.onUpdate(instance); - return true; - } - - function computeIntact(intact, changes) { - for (var i = 0, l = changes.length || 0; i < l; ++i) { - var change = changes[i], intact2 = [], diff = change.diff || 0; - for (var j = 0, l2 = intact.length; j < l2; ++j) { - var range = intact[j]; - if (change.to <= range.from && change.diff) - intact2.push({from: range.from + diff, to: range.to + diff, - domStart: range.domStart}); - else if (change.to <= range.from || change.from >= range.to) - intact2.push(range); - else { - if (change.from > range.from) - intact2.push({from: range.from, to: change.from, domStart: range.domStart}); - if (change.to < range.to) - intact2.push({from: change.to + diff, to: range.to + diff, - domStart: range.domStart + (change.to - range.from)}); - } - } - intact = intact2; - } - return intact; - } - - function patchDisplay(from, to, intact) { - function killNode(node) { - var tmp = node.nextSibling; - node.parentNode.removeChild(node); - return tmp; - } - // The first pass removes the DOM nodes that aren't intact. - if (!intact.length) removeChildren(lineDiv); - else { - var domPos = 0, curNode = lineDiv.firstChild, n; - for (var i = 0; i < intact.length; ++i) { - var cur = intact[i]; - while (cur.domStart > domPos) {curNode = killNode(curNode); domPos++;} - for (var j = 0, e = cur.to - cur.from; j < e; ++j) {curNode = curNode.nextSibling; domPos++;} - } - while (curNode) curNode = killNode(curNode); - } - // This pass fills in the lines that actually changed. - var nextIntact = intact.shift(), curNode = lineDiv.firstChild, j = from; - doc.iter(from, to, function(line) { - if (nextIntact && nextIntact.to == j) nextIntact = intact.shift(); - if (!nextIntact || nextIntact.from > j) { - if (line.hidden) var lineElement = elt("pre"); - else { - var lineElement = lineContent(line); - if (line.className) lineElement.className = line.className; - // Kludge to make sure the styled element lies behind the selection (by z-index) - if (line.bgClassName) { - var pre = elt("pre", "\u00a0", line.bgClassName, "position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: -2"); - lineElement = elt("div", [pre, lineElement], null, "position: relative"); - } - } - lineDiv.insertBefore(lineElement, curNode); - } else { - curNode = curNode.nextSibling; - } - ++j; - }); - } - - function updateGutter() { - if (!options.gutter && !options.lineNumbers) return; - var hText = mover.offsetHeight, hEditor = scroller.clientHeight; - gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px"; - var fragment = document.createDocumentFragment(), i = showingFrom, normalNode; - doc.iter(showingFrom, Math.max(showingTo, showingFrom + 1), function(line) { - if (line.hidden) { - fragment.appendChild(elt("pre")); - } else { - var marker = line.gutterMarker; - var text = options.lineNumbers ? options.lineNumberFormatter(i + options.firstLineNumber) : null; - if (marker && marker.text) - text = marker.text.replace("%N%", text != null ? text : ""); - else if (text == null) - text = "\u00a0"; - var markerElement = fragment.appendChild(elt("pre", null, marker && marker.style)); - markerElement.innerHTML = text; - for (var j = 1; j < line.height; ++j) { - markerElement.appendChild(elt("br")); - markerElement.appendChild(document.createTextNode("\u00a0")); - } - if (!marker) normalNode = i; - } - ++i; - }); - gutter.style.display = "none"; - removeChildrenAndAdd(gutterText, fragment); - // Make sure scrolling doesn't cause number gutter size to pop - if (normalNode != null && options.lineNumbers) { - var node = gutterText.childNodes[normalNode - showingFrom]; - var minwidth = String(doc.size).length, val = eltText(node.firstChild), pad = ""; - while (val.length + pad.length < minwidth) pad += "\u00a0"; - if (pad) node.insertBefore(document.createTextNode(pad), node.firstChild); - } - gutter.style.display = ""; - var resized = Math.abs((parseInt(lineSpace.style.marginLeft) || 0) - gutter.offsetWidth) > 2; - lineSpace.style.marginLeft = gutter.offsetWidth + "px"; - gutterDirty = false; - return resized; - } - function updateSelection() { - var collapsed = posEq(sel.from, sel.to); - var fromPos = localCoords(sel.from, true); - var toPos = collapsed ? fromPos : localCoords(sel.to, true); - var headPos = sel.inverted ? fromPos : toPos, th = textHeight(); - var wrapOff = eltOffset(wrapper), lineOff = eltOffset(lineDiv); - inputDiv.style.top = Math.max(0, Math.min(scroller.offsetHeight, headPos.y + lineOff.top - wrapOff.top)) + "px"; - inputDiv.style.left = Math.max(0, Math.min(scroller.offsetWidth, headPos.x + lineOff.left - wrapOff.left)) + "px"; - if (collapsed) { - cursor.style.top = headPos.y + "px"; - cursor.style.left = (options.lineWrapping ? Math.min(headPos.x, lineSpace.offsetWidth) : headPos.x) + "px"; - cursor.style.display = ""; - selectionDiv.style.display = "none"; - } else { - var sameLine = fromPos.y == toPos.y, fragment = document.createDocumentFragment(); - var clientWidth = lineSpace.clientWidth || lineSpace.offsetWidth; - var clientHeight = lineSpace.clientHeight || lineSpace.offsetHeight; - var add = function(left, top, right, height) { - var rstyle = quirksMode ? "width: " + (!right ? clientWidth : clientWidth - right - left) + "px" - : "right: " + right + "px"; - fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + - "px; top: " + top + "px; " + rstyle + "; height: " + height + "px")); - }; - if (sel.from.ch && fromPos.y >= 0) { - var right = sameLine ? clientWidth - toPos.x : 0; - add(fromPos.x, fromPos.y, right, th); - } - var middleStart = Math.max(0, fromPos.y + (sel.from.ch ? th : 0)); - var middleHeight = Math.min(toPos.y, clientHeight) - middleStart; - if (middleHeight > 0.2 * th) - add(0, middleStart, 0, middleHeight); - if ((!sameLine || !sel.from.ch) && toPos.y < clientHeight - .5 * th) - add(0, toPos.y, clientWidth - toPos.x, th); - removeChildrenAndAdd(selectionDiv, fragment); - cursor.style.display = "none"; - selectionDiv.style.display = ""; - } - } - - function setShift(val) { - if (val) shiftSelecting = shiftSelecting || (sel.inverted ? sel.to : sel.from); - else shiftSelecting = null; - } - function setSelectionUser(from, to) { - var sh = shiftSelecting && clipPos(shiftSelecting); - if (sh) { - if (posLess(sh, from)) from = sh; - else if (posLess(to, sh)) to = sh; - } - setSelection(from, to); - userSelChange = true; - } - // Update the selection. Last two args are only used by - // updateLines, since they have to be expressed in the line - // numbers before the update. - function setSelection(from, to, oldFrom, oldTo) { - goalColumn = null; - if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;} - if (posEq(sel.from, from) && posEq(sel.to, to)) return; - if (posLess(to, from)) {var tmp = to; to = from; from = tmp;} - - // Skip over hidden lines. - if (from.line != oldFrom) { - var from1 = skipHidden(from, oldFrom, sel.from.ch); - // If there is no non-hidden line left, force visibility on current line - if (!from1) setLineHidden(from.line, false); - else from = from1; - } - if (to.line != oldTo) to = skipHidden(to, oldTo, sel.to.ch); - - if (posEq(from, to)) sel.inverted = false; - else if (posEq(from, sel.to)) sel.inverted = false; - else if (posEq(to, sel.from)) sel.inverted = true; - - if (options.autoClearEmptyLines && posEq(sel.from, sel.to)) { - var head = sel.inverted ? from : to; - if (head.line != sel.from.line && sel.from.line < doc.size) { - var oldLine = getLine(sel.from.line); - if (/^\s+$/.test(oldLine.text)) - setTimeout(operation(function() { - if (oldLine.parent && /^\s+$/.test(oldLine.text)) { - var no = lineNo(oldLine); - replaceRange("", {line: no, ch: 0}, {line: no, ch: oldLine.text.length}); - } - }, 10)); - } - } - - sel.from = from; sel.to = to; - selectionChanged = true; - } - function skipHidden(pos, oldLine, oldCh) { - function getNonHidden(dir) { - var lNo = pos.line + dir, end = dir == 1 ? doc.size : -1; - while (lNo != end) { - var line = getLine(lNo); - if (!line.hidden) { - var ch = pos.ch; - if (toEnd || ch > oldCh || ch > line.text.length) ch = line.text.length; - return {line: lNo, ch: ch}; - } - lNo += dir; - } - } - var line = getLine(pos.line); - var toEnd = pos.ch == line.text.length && pos.ch != oldCh; - if (!line.hidden) return pos; - if (pos.line >= oldLine) return getNonHidden(1) || getNonHidden(-1); - else return getNonHidden(-1) || getNonHidden(1); - } - function setCursor(line, ch, user) { - var pos = clipPos({line: line, ch: ch || 0}); - (user ? setSelectionUser : setSelection)(pos, pos); - } - - function clipLine(n) {return Math.max(0, Math.min(n, doc.size-1));} - function clipPos(pos) { - if (pos.line < 0) return {line: 0, ch: 0}; - if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc.size-1).text.length}; - var ch = pos.ch, linelen = getLine(pos.line).text.length; - if (ch == null || ch > linelen) return {line: pos.line, ch: linelen}; - else if (ch < 0) return {line: pos.line, ch: 0}; - else return pos; - } - - function findPosH(dir, unit) { - var end = sel.inverted ? sel.from : sel.to, line = end.line, ch = end.ch; - var lineObj = getLine(line); - function findNextLine() { - for (var l = line + dir, e = dir < 0 ? -1 : doc.size; l != e; l += dir) { - var lo = getLine(l); - if (!lo.hidden) { line = l; lineObj = lo; return true; } - } - } - function moveOnce(boundToLine) { - if (ch == (dir < 0 ? 0 : lineObj.text.length)) { - if (!boundToLine && findNextLine()) ch = dir < 0 ? lineObj.text.length : 0; - else return false; - } else ch += dir; - return true; - } - if (unit == "char") moveOnce(); - else if (unit == "column") moveOnce(true); - else if (unit == "word") { - var sawWord = false; - for (;;) { - if (dir < 0) if (!moveOnce()) break; - if (isWordChar(lineObj.text.charAt(ch))) sawWord = true; - else if (sawWord) {if (dir < 0) {dir = 1; moveOnce();} break;} - if (dir > 0) if (!moveOnce()) break; - } - } - return {line: line, ch: ch}; - } - function moveH(dir, unit) { - var pos = dir < 0 ? sel.from : sel.to; - if (shiftSelecting || posEq(sel.from, sel.to)) pos = findPosH(dir, unit); - setCursor(pos.line, pos.ch, true); - } - function deleteH(dir, unit) { - if (!posEq(sel.from, sel.to)) replaceRange("", sel.from, sel.to); - else if (dir < 0) replaceRange("", findPosH(dir, unit), sel.to); - else replaceRange("", sel.from, findPosH(dir, unit)); - userSelChange = true; - } - function moveV(dir, unit) { - var dist = 0, pos = localCoords(sel.inverted ? sel.from : sel.to, true); - if (goalColumn != null) pos.x = goalColumn; - if (unit == "page") { - var screen = Math.min(scroller.clientHeight, window.innerHeight || document.documentElement.clientHeight); - var target = coordsChar(pos.x, pos.y + screen * dir); - } else if (unit == "line") { - var th = textHeight(); - var target = coordsChar(pos.x, pos.y + .5 * th + dir * th); - } - if (unit == "page") scrollbar.scrollTop += localCoords(target, true).y - pos.y; - setCursor(target.line, target.ch, true); - goalColumn = pos.x; - } - - function findWordAt(pos) { - var line = getLine(pos.line).text; - var start = pos.ch, end = pos.ch; - if (line) { - if (pos.after === false || end == line.length) --start; else ++end; - var startChar = line.charAt(start); - var check = isWordChar(startChar) ? isWordChar : - /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} : - function(ch) {return !/\s/.test(ch) && isWordChar(ch);}; - while (start > 0 && check(line.charAt(start - 1))) --start; - while (end < line.length && check(line.charAt(end))) ++end; - } - return {from: {line: pos.line, ch: start}, to: {line: pos.line, ch: end}}; - } - function selectLine(line) { - setSelectionUser({line: line, ch: 0}, clipPos({line: line + 1, ch: 0})); - } - function indentSelected(mode) { - if (posEq(sel.from, sel.to)) return indentLine(sel.from.line, mode); - var e = sel.to.line - (sel.to.ch ? 0 : 1); - for (var i = sel.from.line; i <= e; ++i) indentLine(i, mode); - } - - function indentLine(n, how) { - if (!how) how = "add"; - if (how == "smart") { - if (!mode.indent) how = "prev"; - else var state = getStateBefore(n); - } - - var line = getLine(n), curSpace = line.indentation(options.tabSize), - curSpaceString = line.text.match(/^\s*/)[0], indentation; - if (how == "smart") { - indentation = mode.indent(state, line.text.slice(curSpaceString.length), line.text); - if (indentation == Pass) how = "prev"; - } - if (how == "prev") { - if (n) indentation = getLine(n-1).indentation(options.tabSize); - else indentation = 0; - } - else if (how == "add") indentation = curSpace + options.indentUnit; - else if (how == "subtract") indentation = curSpace - options.indentUnit; - indentation = Math.max(0, indentation); - var diff = indentation - curSpace; - - var indentString = "", pos = 0; - if (options.indentWithTabs) - for (var i = Math.floor(indentation / options.tabSize); i; --i) {pos += options.tabSize; indentString += "\t";} - if (pos < indentation) indentString += spaceStr(indentation - pos); - - if (indentString != curSpaceString) - replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}); - line.stateAfter = null; - } - - function loadMode() { - mode = CodeMirror.getMode(options, options.mode); - doc.iter(0, doc.size, function(line) { line.stateAfter = null; }); - frontier = 0; - startWorker(100); - } - function gutterChanged() { - var visible = options.gutter || options.lineNumbers; - gutter.style.display = visible ? "" : "none"; - if (visible) gutterDirty = true; - else lineDiv.parentNode.style.marginLeft = 0; - } - function wrappingChanged(from, to) { - if (options.lineWrapping) { - wrapper.className += " CodeMirror-wrap"; - var perLine = scroller.clientWidth / charWidth() - 3; - doc.iter(0, doc.size, function(line) { - if (line.hidden) return; - var guess = Math.ceil(line.text.length / perLine) || 1; - if (guess != 1) updateLineHeight(line, guess); - }); - lineSpace.style.minWidth = widthForcer.style.left = ""; - } else { - wrapper.className = wrapper.className.replace(" CodeMirror-wrap", ""); - computeMaxLength(); - doc.iter(0, doc.size, function(line) { - if (line.height != 1 && !line.hidden) updateLineHeight(line, 1); - }); - } - changes.push({from: 0, to: doc.size}); - } - function themeChanged() { - scroller.className = scroller.className.replace(/\s*cm-s-\S+/g, "") + - options.theme.replace(/(^|\s)\s*/g, " cm-s-"); - } - function keyMapChanged() { - var style = keyMap[options.keyMap].style; - wrapper.className = wrapper.className.replace(/\s*cm-keymap-\S+/g, "") + - (style ? " cm-keymap-" + style : ""); - } - - function TextMarker(type, style) { this.lines = []; this.type = type; if (style) this.style = style; } - TextMarker.prototype.clear = operation(function() { - var min, max; - for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (span.from != null) min = lineNo(line); - if (span.to != null) max = lineNo(line); - line.markedSpans = removeMarkedSpan(line.markedSpans, span); - } - if (min != null) changes.push({from: min, to: max + 1}); - this.lines.length = 0; - this.explicitlyCleared = true; - }); - TextMarker.prototype.find = function() { - var from, to; - for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (span.from != null || span.to != null) { - var found = lineNo(line); - if (span.from != null) from = {line: found, ch: span.from}; - if (span.to != null) to = {line: found, ch: span.to}; - } - } - if (this.type == "bookmark") return from; - return from && {from: from, to: to}; - }; - - function markText(from, to, className, options) { - from = clipPos(from); to = clipPos(to); - var marker = new TextMarker("range", className); - if (options) for (var opt in options) if (options.hasOwnProperty(opt)) - marker[opt] = options[opt]; - var curLine = from.line; - doc.iter(curLine, to.line + 1, function(line) { - var span = {from: curLine == from.line ? from.ch : null, - to: curLine == to.line ? to.ch : null, - marker: marker}; - line.markedSpans = (line.markedSpans || []).concat([span]); - marker.lines.push(line); - ++curLine; - }); - changes.push({from: from.line, to: to.line + 1}); - return marker; - } - - function setBookmark(pos) { - pos = clipPos(pos); - var marker = new TextMarker("bookmark"), line = getLine(pos.line); - history.addChange(pos.line, 1, [newHL(line.text, line.markedSpans)], true); - var span = {from: pos.ch, to: pos.ch, marker: marker}; - line.markedSpans = (line.markedSpans || []).concat([span]); - marker.lines.push(line); - return marker; - } - - function findMarksAt(pos) { - pos = clipPos(pos); - var markers = [], spans = getLine(pos.line).markedSpans; - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if ((span.from == null || span.from <= pos.ch) && - (span.to == null || span.to >= pos.ch)) - markers.push(span.marker); - } - return markers; - } - - function addGutterMarker(line, text, className) { - if (typeof line == "number") line = getLine(clipLine(line)); - line.gutterMarker = {text: text, style: className}; - gutterDirty = true; - return line; - } - function removeGutterMarker(line) { - if (typeof line == "number") line = getLine(clipLine(line)); - line.gutterMarker = null; - gutterDirty = true; - } - - function changeLine(handle, op) { - var no = handle, line = handle; - if (typeof handle == "number") line = getLine(clipLine(handle)); - else no = lineNo(handle); - if (no == null) return null; - if (op(line, no)) changes.push({from: no, to: no + 1}); - else return null; - return line; - } - function setLineClass(handle, className, bgClassName) { - return changeLine(handle, function(line) { - if (line.className != className || line.bgClassName != bgClassName) { - line.className = className; - line.bgClassName = bgClassName; - return true; - } - }); - } - function setLineHidden(handle, hidden) { - return changeLine(handle, function(line, no) { - if (line.hidden != hidden) { - line.hidden = hidden; - if (!options.lineWrapping) { - if (hidden && line.text.length == maxLine.text.length) { - updateMaxLine = true; - } else if (!hidden && line.text.length > maxLine.text.length) { - maxLine = line; updateMaxLine = false; - } - } - updateLineHeight(line, hidden ? 0 : 1); - var fline = sel.from.line, tline = sel.to.line; - if (hidden && (fline == no || tline == no)) { - var from = fline == no ? skipHidden({line: fline, ch: 0}, fline, 0) : sel.from; - var to = tline == no ? skipHidden({line: tline, ch: 0}, tline, 0) : sel.to; - // Can't hide the last visible line, we'd have no place to put the cursor - if (!to) return; - setSelection(from, to); - } - return (gutterDirty = true); - } - }); - } - - function lineInfo(line) { - if (typeof line == "number") { - if (!isLine(line)) return null; - var n = line; - line = getLine(line); - if (!line) return null; - } else { - var n = lineNo(line); - if (n == null) return null; - } - var marker = line.gutterMarker; - return {line: n, handle: line, text: line.text, markerText: marker && marker.text, - markerClass: marker && marker.style, lineClass: line.className, bgClass: line.bgClassName}; - } - - function measureLine(line, ch) { - if (ch == 0) return {top: 0, left: 0}; - var pre = lineContent(line, ch); - removeChildrenAndAdd(measure, pre); - var anchor = pre.anchor; - var top = anchor.offsetTop, left = anchor.offsetLeft; - // Older IEs report zero offsets for spans directly after a wrap - if (ie && top == 0 && left == 0) { - var backup = elt("span", "x"); - anchor.parentNode.insertBefore(backup, anchor.nextSibling); - top = backup.offsetTop; - } - return {top: top, left: left}; - } - function localCoords(pos, inLineWrap) { - var x, lh = textHeight(), y = lh * (heightAtLine(doc, pos.line) - (inLineWrap ? displayOffset : 0)); - if (pos.ch == 0) x = 0; - else { - var sp = measureLine(getLine(pos.line), pos.ch); - x = sp.left; - if (options.lineWrapping) y += Math.max(0, sp.top); - } - return {x: x, y: y, yBot: y + lh}; - } - // Coords must be lineSpace-local - function coordsChar(x, y) { - var th = textHeight(), cw = charWidth(), heightPos = displayOffset + Math.floor(y / th); - if (heightPos < 0) return {line: 0, ch: 0}; - var lineNo = lineAtHeight(doc, heightPos); - if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc.size - 1).text.length}; - var lineObj = getLine(lineNo), text = lineObj.text; - var tw = options.lineWrapping, innerOff = tw ? heightPos - heightAtLine(doc, lineNo) : 0; - if (x <= 0 && innerOff == 0) return {line: lineNo, ch: 0}; - var wrongLine = false; - function getX(len) { - var sp = measureLine(lineObj, len); - if (tw) { - var off = Math.round(sp.top / th); - wrongLine = off != innerOff; - return Math.max(0, sp.left + (off - innerOff) * scroller.clientWidth); - } - return sp.left; - } - var from = 0, fromX = 0, to = text.length, toX; - // Guess a suitable upper bound for our search. - var estimated = Math.min(to, Math.ceil((x + innerOff * scroller.clientWidth * .9) / cw)); - for (;;) { - var estX = getX(estimated); - if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2)); - else {toX = estX; to = estimated; break;} - } - if (x > toX) return {line: lineNo, ch: to}; - // Try to guess a suitable lower bound as well. - estimated = Math.floor(to * 0.8); estX = getX(estimated); - if (estX < x) {from = estimated; fromX = estX;} - // Do a binary search between these bounds. - for (;;) { - if (to - from <= 1) { - var after = x - fromX < toX - x; - return {line: lineNo, ch: after ? from : to, after: after}; - } - var middle = Math.ceil((from + to) / 2), middleX = getX(middle); - if (middleX > x) {to = middle; toX = middleX; if (wrongLine) toX += 1000; } - else {from = middle; fromX = middleX;} - } - } - function pageCoords(pos) { - var local = localCoords(pos, true), off = eltOffset(lineSpace); - return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot}; - } - - var cachedHeight, cachedHeightFor, measurePre; - function textHeight() { - if (measurePre == null) { - measurePre = elt("pre"); - for (var i = 0; i < 49; ++i) { - measurePre.appendChild(document.createTextNode("x")); - measurePre.appendChild(elt("br")); - } - measurePre.appendChild(document.createTextNode("x")); - } - var offsetHeight = lineDiv.clientHeight; - if (offsetHeight == cachedHeightFor) return cachedHeight; - cachedHeightFor = offsetHeight; - removeChildrenAndAdd(measure, measurePre.cloneNode(true)); - cachedHeight = measure.firstChild.offsetHeight / 50 || 1; - removeChildren(measure); - return cachedHeight; - } - var cachedWidth, cachedWidthFor = 0; - function charWidth() { - if (scroller.clientWidth == cachedWidthFor) return cachedWidth; - cachedWidthFor = scroller.clientWidth; - var anchor = elt("span", "x"); - var pre = elt("pre", [anchor]); - removeChildrenAndAdd(measure, pre); - return (cachedWidth = anchor.offsetWidth || 10); - } - function paddingTop() {return lineSpace.offsetTop;} - function paddingLeft() {return lineSpace.offsetLeft;} - - function posFromMouse(e, liberal) { - var offW = eltOffset(scroller, true), x, y; - // Fails unpredictably on IE[67] when mouse is dragged around quickly. - try { x = e.clientX; y = e.clientY; } catch (e) { return null; } - // This is a mess of a heuristic to try and determine whether a - // scroll-bar was clicked or not, and to return null if one was - // (and !liberal). - if (!liberal && (x - offW.left > scroller.clientWidth || y - offW.top > scroller.clientHeight)) - return null; - var offL = eltOffset(lineSpace, true); - return coordsChar(x - offL.left, y - offL.top); - } - var detectingSelectAll; - function onContextMenu(e) { - var pos = posFromMouse(e), scrollPos = scrollbar.scrollTop; - if (!pos || opera) return; // Opera is difficult. - if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to)) - operation(setCursor)(pos.line, pos.ch); - - var oldCSS = input.style.cssText; - inputDiv.style.position = "absolute"; - input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + - "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; " + - "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; - focusInput(); - resetInput(true); - // Adds "Select all" to context menu in FF - if (posEq(sel.from, sel.to)) input.value = prevInput = " "; - - function rehide() { - inputDiv.style.position = "relative"; - input.style.cssText = oldCSS; - if (ie_lt9) scrollbar.scrollTop = scrollPos; - slowPoll(); - - // Try to detect the user choosing select-all - if (input.selectionStart != null) { - clearTimeout(detectingSelectAll); - var extval = input.value = " " + (posEq(sel.from, sel.to) ? "" : input.value), i = 0; - prevInput = " "; - input.selectionStart = 1; input.selectionEnd = extval.length; - detectingSelectAll = setTimeout(function poll(){ - if (prevInput == " " && input.selectionStart == 0) - operation(commands.selectAll)(instance); - else if (i++ < 10) detectingSelectAll = setTimeout(poll, 500); - else resetInput(); - }, 200); - } - } - - if (gecko) { - e_stop(e); - var mouseup = connect(window, "mouseup", function() { - mouseup(); - setTimeout(rehide, 20); - }, true); - } else { - setTimeout(rehide, 50); - } - } - - // Cursor-blinking - function restartBlink() { - clearInterval(blinker); - var on = true; - cursor.style.visibility = ""; - blinker = setInterval(function() { - cursor.style.visibility = (on = !on) ? "" : "hidden"; - }, options.cursorBlinkRate); - } - - var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"}; - function matchBrackets(autoclear) { - var head = sel.inverted ? sel.from : sel.to, line = getLine(head.line), pos = head.ch - 1; - var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)]; - if (!match) return; - var ch = match.charAt(0), forward = match.charAt(1) == ">", d = forward ? 1 : -1, st = line.styles; - for (var off = pos + 1, i = 0, e = st.length; i < e; i+=2) - if ((off -= st[i].length) <= 0) {var style = st[i+1]; break;} - - var stack = [line.text.charAt(pos)], re = /[(){}[\]]/; - function scan(line, from, to) { - if (!line.text) return; - var st = line.styles, pos = forward ? 0 : line.text.length - 1, cur; - for (var i = forward ? 0 : st.length - 2, e = forward ? st.length : -2; i != e; i += 2*d) { - var text = st[i]; - if (st[i+1] != style) {pos += d * text.length; continue;} - for (var j = forward ? 0 : text.length - 1, te = forward ? text.length : -1; j != te; j += d, pos+=d) { - if (pos >= from && pos < to && re.test(cur = text.charAt(j))) { - var match = matching[cur]; - if (match.charAt(1) == ">" == forward) stack.push(cur); - else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false}; - else if (!stack.length) return {pos: pos, match: true}; - } - } - } - } - for (var i = head.line, e = forward ? Math.min(i + 100, doc.size) : Math.max(-1, i - 100); i != e; i+=d) { - var line = getLine(i), first = i == head.line; - var found = scan(line, first && forward ? pos + 1 : 0, first && !forward ? pos : line.text.length); - if (found) break; - } - if (!found) found = {pos: null, match: false}; - var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; - var one = markText({line: head.line, ch: pos}, {line: head.line, ch: pos+1}, style), - two = found.pos != null && markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style); - var clear = operation(function(){one.clear(); two && two.clear();}); - if (autoclear) setTimeout(clear, 800); - else bracketHighlighted = clear; - } - - // Finds the line to start with when starting a parse. Tries to - // find a line with a stateAfter, so that it can start with a - // valid state. If that fails, it returns the line with the - // smallest indentation, which tends to need the least context to - // parse correctly. - function findStartLine(n) { - var minindent, minline; - for (var search = n, lim = n - 40; search > lim; --search) { - if (search == 0) return 0; - var line = getLine(search-1); - if (line.stateAfter) return search; - var indented = line.indentation(options.tabSize); - if (minline == null || minindent > indented) { - minline = search - 1; - minindent = indented; - } - } - return minline; - } - function getStateBefore(n) { - var pos = findStartLine(n), state = pos && getLine(pos-1).stateAfter; - if (!state) state = startState(mode); - else state = copyState(mode, state); - doc.iter(pos, n, function(line) { - line.process(mode, state, options.tabSize); - line.stateAfter = (pos == n - 1 || pos % 5 == 0) ? copyState(mode, state) : null; - }); - return state; - } - function highlightWorker() { - if (frontier >= showingTo) return; - var end = +new Date + options.workTime, state = copyState(mode, getStateBefore(frontier)); - var startFrontier = frontier; - doc.iter(frontier, showingTo, function(line) { - if (frontier >= showingFrom) { // Visible - line.highlight(mode, state, options.tabSize); - line.stateAfter = copyState(mode, state); - } else { - line.process(mode, state, options.tabSize); - line.stateAfter = frontier % 5 == 0 ? copyState(mode, state) : null; - } - ++frontier; - if (+new Date > end) { - startWorker(options.workDelay); - return true; - } - }); - if (showingTo > startFrontier && frontier >= showingFrom) - operation(function() {changes.push({from: startFrontier, to: frontier});})(); - } - function startWorker(time) { - if (frontier < showingTo) - highlight.set(time, highlightWorker); - } - - // Operations are used to wrap changes in such a way that each - // change won't have to update the cursor and display (which would - // be awkward, slow, and error-prone), but instead updates are - // batched and then all combined and executed at once. - function startOperation() { - updateInput = userSelChange = textChanged = null; - changes = []; selectionChanged = false; callbacks = []; - } - function endOperation() { - if (updateMaxLine) computeMaxLength(); - if (maxLineChanged && !options.lineWrapping) { - var cursorWidth = widthForcer.offsetWidth, left = measureLine(maxLine, maxLine.text.length).left; - if (!ie_lt8) { - widthForcer.style.left = left + "px"; - lineSpace.style.minWidth = (left + cursorWidth) + "px"; - } - maxLineChanged = false; - } - var newScrollPos, updated; - if (selectionChanged) { - var coords = calculateCursorCoords(); - newScrollPos = calculateScrollPos(coords.x, coords.y, coords.x, coords.yBot); - } - if (changes.length || newScrollPos && newScrollPos.scrollTop != null) - updated = updateDisplay(changes, true, newScrollPos && newScrollPos.scrollTop); - if (!updated) { - if (selectionChanged) updateSelection(); - if (gutterDirty) updateGutter(); - } - if (newScrollPos) scrollCursorIntoView(); - if (selectionChanged) restartBlink(); - - if (focused && (updateInput === true || (updateInput !== false && selectionChanged))) - resetInput(userSelChange); - - if (selectionChanged && options.matchBrackets) - setTimeout(operation(function() { - if (bracketHighlighted) {bracketHighlighted(); bracketHighlighted = null;} - if (posEq(sel.from, sel.to)) matchBrackets(false); - }), 20); - var sc = selectionChanged, cbs = callbacks; // these can be reset by callbacks - if (textChanged && options.onChange && instance) - options.onChange(instance, textChanged); - if (sc && options.onCursorActivity) - options.onCursorActivity(instance); - for (var i = 0; i < cbs.length; ++i) cbs[i](instance); - if (updated && options.onUpdate) options.onUpdate(instance); - } - var nestedOperation = 0; - function operation(f) { - return function() { - if (!nestedOperation++) startOperation(); - try {var result = f.apply(this, arguments);} - finally {if (!--nestedOperation) endOperation();} - return result; - }; - } - - function compoundChange(f) { - history.startCompound(); - try { return f(); } finally { history.endCompound(); } - } - - for (var ext in extensions) - if (extensions.propertyIsEnumerable(ext) && - !instance.propertyIsEnumerable(ext)) - instance[ext] = extensions[ext]; - for (var i = 0; i < initHooks.length; ++i) initHooks[i](instance); - return instance; - } // (end of function CodeMirror) - - // The default configuration options. - CodeMirror.defaults = { - value: "", - mode: null, - theme: "default", - indentUnit: 2, - indentWithTabs: false, - smartIndent: true, - tabSize: 4, - keyMap: "default", - extraKeys: null, - electricChars: true, - autoClearEmptyLines: false, - onKeyEvent: null, - onDragEvent: null, - lineWrapping: false, - lineNumbers: false, - gutter: false, - fixedGutter: false, - firstLineNumber: 1, - readOnly: false, - dragDrop: true, - onChange: null, - onCursorActivity: null, - onViewportChange: null, - onGutterClick: null, - onUpdate: null, - onFocus: null, onBlur: null, onScroll: null, - matchBrackets: false, - cursorBlinkRate: 530, - workTime: 100, - workDelay: 200, - pollInterval: 100, - undoDepth: 40, - tabindex: null, - autofocus: null, - lineNumberFormatter: function(integer) { return integer; } - }; - - var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); - var mac = ios || /Mac/.test(navigator.platform); - var win = /Win/.test(navigator.platform); - - // Known modes, by name and by MIME - var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; - CodeMirror.defineMode = function(name, mode) { - if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; - if (arguments.length > 2) { - mode.dependencies = []; - for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]); - } - modes[name] = mode; - }; - CodeMirror.defineMIME = function(mime, spec) { - mimeModes[mime] = spec; - }; - CodeMirror.resolveMode = function(spec) { - if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) - spec = mimeModes[spec]; - else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) - return CodeMirror.resolveMode("application/xml"); - if (typeof spec == "string") return {name: spec}; - else return spec || {name: "null"}; - }; - CodeMirror.getMode = function(options, spec) { - var spec = CodeMirror.resolveMode(spec); - var mfactory = modes[spec.name]; - if (!mfactory) return CodeMirror.getMode(options, "text/plain"); - var modeObj = mfactory(options, spec); - if (modeExtensions.hasOwnProperty(spec.name)) { - var exts = modeExtensions[spec.name]; - for (var prop in exts) if (exts.hasOwnProperty(prop)) modeObj[prop] = exts[prop]; - } - modeObj.name = spec.name; - return modeObj; - }; - CodeMirror.listModes = function() { - var list = []; - for (var m in modes) - if (modes.propertyIsEnumerable(m)) list.push(m); - return list; - }; - CodeMirror.listMIMEs = function() { - var list = []; - for (var m in mimeModes) - if (mimeModes.propertyIsEnumerable(m)) list.push({mime: m, mode: mimeModes[m]}); - return list; - }; - - var extensions = CodeMirror.extensions = {}; - CodeMirror.defineExtension = function(name, func) { - extensions[name] = func; - }; - - var initHooks = []; - CodeMirror.defineInitHook = function(f) {initHooks.push(f);}; - - var modeExtensions = CodeMirror.modeExtensions = {}; - CodeMirror.extendMode = function(mode, properties) { - var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); - for (var prop in properties) if (properties.hasOwnProperty(prop)) - exts[prop] = properties[prop]; - }; - - var commands = CodeMirror.commands = { - selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});}, - killLine: function(cm) { - var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to); - if (!sel && cm.getLine(from.line).length == from.ch) cm.replaceRange("", from, {line: from.line + 1, ch: 0}); - else cm.replaceRange("", from, sel ? to : {line: from.line}); - }, - deleteLine: function(cm) {var l = cm.getCursor().line; cm.replaceRange("", {line: l, ch: 0}, {line: l});}, - undo: function(cm) {cm.undo();}, - redo: function(cm) {cm.redo();}, - goDocStart: function(cm) {cm.setCursor(0, 0, true);}, - goDocEnd: function(cm) {cm.setSelection({line: cm.lineCount() - 1}, null, true);}, - goLineStart: function(cm) {cm.setCursor(cm.getCursor().line, 0, true);}, - goLineStartSmart: function(cm) { - var cur = cm.getCursor(); - var text = cm.getLine(cur.line), firstNonWS = Math.max(0, text.search(/\S/)); - cm.setCursor(cur.line, cur.ch <= firstNonWS && cur.ch ? 0 : firstNonWS, true); - }, - goLineEnd: function(cm) {cm.setSelection({line: cm.getCursor().line}, null, true);}, - goLineUp: function(cm) {cm.moveV(-1, "line");}, - goLineDown: function(cm) {cm.moveV(1, "line");}, - goPageUp: function(cm) {cm.moveV(-1, "page");}, - goPageDown: function(cm) {cm.moveV(1, "page");}, - goCharLeft: function(cm) {cm.moveH(-1, "char");}, - goCharRight: function(cm) {cm.moveH(1, "char");}, - goColumnLeft: function(cm) {cm.moveH(-1, "column");}, - goColumnRight: function(cm) {cm.moveH(1, "column");}, - goWordLeft: function(cm) {cm.moveH(-1, "word");}, - goWordRight: function(cm) {cm.moveH(1, "word");}, - delCharLeft: function(cm) {cm.deleteH(-1, "char");}, - delCharRight: function(cm) {cm.deleteH(1, "char");}, - delWordLeft: function(cm) {cm.deleteH(-1, "word");}, - delWordRight: function(cm) {cm.deleteH(1, "word");}, - indentAuto: function(cm) {cm.indentSelection("smart");}, - indentMore: function(cm) {cm.indentSelection("add");}, - indentLess: function(cm) {cm.indentSelection("subtract");}, - insertTab: function(cm) {cm.replaceSelection("\t", "end");}, - defaultTab: function(cm) { - if (cm.somethingSelected()) cm.indentSelection("add"); - else cm.replaceSelection("\t", "end"); - }, - transposeChars: function(cm) { - var cur = cm.getCursor(), line = cm.getLine(cur.line); - if (cur.ch > 0 && cur.ch < line.length - 1) - cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1), - {line: cur.line, ch: cur.ch - 1}, {line: cur.line, ch: cur.ch + 1}); - }, - newlineAndIndent: function(cm) { - cm.replaceSelection("\n", "end"); - cm.indentLine(cm.getCursor().line); - }, - toggleOverwrite: function(cm) {cm.toggleOverwrite();} - }; - - var keyMap = CodeMirror.keyMap = {}; - keyMap.basic = { - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", - "Delete": "delCharRight", "Backspace": "delCharLeft", "Tab": "defaultTab", "Shift-Tab": "indentAuto", - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite" - }; - // Note that the save and find-related commands aren't defined by - // default. Unknown commands are simply ignored. - keyMap.pcDefault = { - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd", - "Ctrl-Left": "goWordLeft", "Ctrl-Right": "goWordRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", - "Ctrl-Backspace": "delWordLeft", "Ctrl-Delete": "delWordRight", "Ctrl-S": "save", "Ctrl-F": "find", - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", - fallthrough: "basic" - }; - keyMap.macDefault = { - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", - "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goWordLeft", - "Alt-Right": "goWordRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delWordLeft", - "Ctrl-Alt-Backspace": "delWordRight", "Alt-Delete": "delWordRight", "Cmd-S": "save", "Cmd-F": "find", - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", - "Cmd-[": "indentLess", "Cmd-]": "indentMore", - fallthrough: ["basic", "emacsy"] - }; - keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; - keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", - "Ctrl-V": "goPageUp", "Shift-Ctrl-V": "goPageDown", "Ctrl-D": "delCharRight", "Ctrl-H": "delCharLeft", - "Alt-D": "delWordRight", "Alt-Backspace": "delWordLeft", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" - }; - - function getKeyMap(val) { - if (typeof val == "string") return keyMap[val]; - else return val; - } - function lookupKey(name, extraMap, map, handle, stop) { - function lookup(map) { - map = getKeyMap(map); - var found = map[name]; - if (found === false) { - if (stop) stop(); - return true; - } - if (found != null && handle(found)) return true; - if (map.nofallthrough) { - if (stop) stop(); - return true; - } - var fallthrough = map.fallthrough; - if (fallthrough == null) return false; - if (Object.prototype.toString.call(fallthrough) != "[object Array]") - return lookup(fallthrough); - for (var i = 0, e = fallthrough.length; i < e; ++i) { - if (lookup(fallthrough[i])) return true; - } - return false; - } - if (extraMap && lookup(extraMap)) return true; - return lookup(map); - } - function isModifierKey(event) { - var name = keyNames[e_prop(event, "keyCode")]; - return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; - } - CodeMirror.isModifierKey = isModifierKey; - - CodeMirror.fromTextArea = function(textarea, options) { - if (!options) options = {}; - options.value = textarea.value; - if (!options.tabindex && textarea.tabindex) - options.tabindex = textarea.tabindex; - // Set autofocus to true if this textarea is focused, or if it has - // autofocus and no other element is focused. - if (options.autofocus == null) { - var hasFocus = document.body; - // doc.activeElement occasionally throws on IE - try { hasFocus = document.activeElement; } catch(e) {} - options.autofocus = hasFocus == textarea || - textarea.getAttribute("autofocus") != null && hasFocus == document.body; - } - - function save() {textarea.value = instance.getValue();} - if (textarea.form) { - // Deplorable hack to make the submit method do the right thing. - var rmSubmit = connect(textarea.form, "submit", save, true); - if (typeof textarea.form.submit == "function") { - var realSubmit = textarea.form.submit; - textarea.form.submit = function wrappedSubmit() { - save(); - textarea.form.submit = realSubmit; - textarea.form.submit(); - textarea.form.submit = wrappedSubmit; - }; - } - } - - textarea.style.display = "none"; - var instance = CodeMirror(function(node) { - textarea.parentNode.insertBefore(node, textarea.nextSibling); - }, options); - instance.save = save; - instance.getTextArea = function() { return textarea; }; - instance.toTextArea = function() { - save(); - textarea.parentNode.removeChild(instance.getWrapperElement()); - textarea.style.display = ""; - if (textarea.form) { - rmSubmit(); - if (typeof textarea.form.submit == "function") - textarea.form.submit = realSubmit; - } - }; - return instance; - }; - - var gecko = /gecko\/\d{7}/i.test(navigator.userAgent); - var ie = /MSIE \d/.test(navigator.userAgent); - var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent); - var ie_lt9 = /MSIE [1-8]\b/.test(navigator.userAgent); - var quirksMode = ie && document.documentMode == 5; - var webkit = /WebKit\//.test(navigator.userAgent); - var chrome = /Chrome\//.test(navigator.userAgent); - var opera = /Opera\//.test(navigator.userAgent); - var safari = /Apple Computer/.test(navigator.vendor); - var khtml = /KHTML\//.test(navigator.userAgent); - var mac_geLion = /Mac OS X 10\D([7-9]|\d\d)\D/.test(navigator.userAgent); - - // Utility functions for working with state. Exported because modes - // sometimes need to do this. - function copyState(mode, state) { - if (state === true) return state; - if (mode.copyState) return mode.copyState(state); - var nstate = {}; - for (var n in state) { - var val = state[n]; - if (val instanceof Array) val = val.concat([]); - nstate[n] = val; - } - return nstate; - } - CodeMirror.copyState = copyState; - function startState(mode, a1, a2) { - return mode.startState ? mode.startState(a1, a2) : true; - } - CodeMirror.startState = startState; - CodeMirror.innerMode = function(mode, state) { - while (mode.innerMode) { - var info = mode.innerMode(state); - state = info.state; - mode = info.mode; - } - return info || {mode: mode, state: state}; - }; - - // The character stream used by a mode's parser. - function StringStream(string, tabSize) { - this.pos = this.start = 0; - this.string = string; - this.tabSize = tabSize || 8; - } - StringStream.prototype = { - eol: function() {return this.pos >= this.string.length;}, - sol: function() {return this.pos == 0;}, - peek: function() {return this.string.charAt(this.pos) || undefined;}, - next: function() { - if (this.pos < this.string.length) - return this.string.charAt(this.pos++); - }, - eat: function(match) { - var ch = this.string.charAt(this.pos); - if (typeof match == "string") var ok = ch == match; - else var ok = ch && (match.test ? match.test(ch) : match(ch)); - if (ok) {++this.pos; return ch;} - }, - eatWhile: function(match) { - var start = this.pos; - while (this.eat(match)){} - return this.pos > start; - }, - eatSpace: function() { - var start = this.pos; - while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; - return this.pos > start; - }, - skipToEnd: function() {this.pos = this.string.length;}, - skipTo: function(ch) { - var found = this.string.indexOf(ch, this.pos); - if (found > -1) {this.pos = found; return true;} - }, - backUp: function(n) {this.pos -= n;}, - column: function() {return countColumn(this.string, this.start, this.tabSize);}, - indentation: function() {return countColumn(this.string, null, this.tabSize);}, - match: function(pattern, consume, caseInsensitive) { - if (typeof pattern == "string") { - var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; - if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) { - if (consume !== false) this.pos += pattern.length; - return true; - } - } else { - var match = this.string.slice(this.pos).match(pattern); - if (match && match.index > 0) return null; - if (match && consume !== false) this.pos += match[0].length; - return match; - } - }, - current: function(){return this.string.slice(this.start, this.pos);} - }; - CodeMirror.StringStream = StringStream; - - function MarkedSpan(from, to, marker) { - this.from = from; this.to = to; this.marker = marker; - } - - function getMarkedSpanFor(spans, marker) { - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.marker == marker) return span; - } - } - - function removeMarkedSpan(spans, span) { - var r; - for (var i = 0; i < spans.length; ++i) - if (spans[i] != span) (r || (r = [])).push(spans[i]); - return r; - } - - function markedSpansBefore(old, startCh, endCh) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); - if (startsBefore || marker.type == "bookmark" && span.from == startCh && span.from != endCh) { - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); - (nw || (nw = [])).push({from: span.from, - to: endsAfter ? null : span.to, - marker: marker}); - } - } - return nw; - } - - function markedSpansAfter(old, endCh) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); - if (endsAfter || marker.type == "bookmark" && span.from == endCh) { - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); - (nw || (nw = [])).push({from: startsBefore ? null : span.from - endCh, - to: span.to == null ? null : span.to - endCh, - marker: marker}); - } - } - return nw; - } - - function updateMarkedSpans(oldFirst, oldLast, startCh, endCh, newText) { - if (!oldFirst && !oldLast) return newText; - // Get the spans that 'stick out' on both sides - var first = markedSpansBefore(oldFirst, startCh); - var last = markedSpansAfter(oldLast, endCh); - - // Next, merge those two ends - var sameLine = newText.length == 1, offset = lst(newText).length + (sameLine ? startCh : 0); - if (first) { - // Fix up .to properties of first - for (var i = 0; i < first.length; ++i) { - var span = first[i]; - if (span.to == null) { - var found = getMarkedSpanFor(last, span.marker); - if (!found) span.to = startCh; - else if (sameLine) span.to = found.to == null ? null : found.to + offset; - } - } - } - if (last) { - // Fix up .from in last (or move them into first in case of sameLine) - for (var i = 0; i < last.length; ++i) { - var span = last[i]; - if (span.to != null) span.to += offset; - if (span.from == null) { - var found = getMarkedSpanFor(first, span.marker); - if (!found) { - span.from = offset; - if (sameLine) (first || (first = [])).push(span); - } - } else { - span.from += offset; - if (sameLine) (first || (first = [])).push(span); - } - } - } - - var newMarkers = [newHL(newText[0], first)]; - if (!sameLine) { - // Fill gap with whole-line-spans - var gap = newText.length - 2, gapMarkers; - if (gap > 0 && first) - for (var i = 0; i < first.length; ++i) - if (first[i].to == null) - (gapMarkers || (gapMarkers = [])).push({from: null, to: null, marker: first[i].marker}); - for (var i = 0; i < gap; ++i) - newMarkers.push(newHL(newText[i+1], gapMarkers)); - newMarkers.push(newHL(lst(newText), last)); - } - return newMarkers; - } - - // hl stands for history-line, a data structure that can be either a - // string (line without markers) or a {text, markedSpans} object. - function hlText(val) { return typeof val == "string" ? val : val.text; } - function hlSpans(val) { - if (typeof val == "string") return null; - var spans = val.markedSpans, out = null; - for (var i = 0; i < spans.length; ++i) { - if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); } - else if (out) out.push(spans[i]); - } - return !out ? spans : out.length ? out : null; - } - function newHL(text, spans) { return spans ? {text: text, markedSpans: spans} : text; } - - function detachMarkedSpans(line) { - var spans = line.markedSpans; - if (!spans) return; - for (var i = 0; i < spans.length; ++i) { - var lines = spans[i].marker.lines; - var ix = indexOf(lines, line); - lines.splice(ix, 1); - } - line.markedSpans = null; - } - - function attachMarkedSpans(line, spans) { - if (!spans) return; - for (var i = 0; i < spans.length; ++i) - var marker = spans[i].marker.lines.push(line); - line.markedSpans = spans; - } - - // When measuring the position of the end of a line, different - // browsers require different approaches. If an empty span is added, - // many browsers report bogus offsets. Of those, some (Webkit, - // recent IE) will accept a space without moving the whole span to - // the next line when wrapping it, others work with a zero-width - // space. - var eolSpanContent = " "; - if (gecko || (ie && !ie_lt8)) eolSpanContent = "\u200b"; - else if (opera) eolSpanContent = ""; - - // Line objects. These hold state related to a line, including - // highlighting info (the styles array). - function Line(text, markedSpans) { - this.text = text; - this.height = 1; - attachMarkedSpans(this, markedSpans); - } - Line.prototype = { - update: function(text, markedSpans) { - this.text = text; - this.stateAfter = this.styles = null; - detachMarkedSpans(this); - attachMarkedSpans(this, markedSpans); - }, - // Run the given mode's parser over a line, update the styles - // array, which contains alternating fragments of text and CSS - // classes. - highlight: function(mode, state, tabSize) { - var stream = new StringStream(this.text, tabSize), st = this.styles || (this.styles = []); - var pos = st.length = 0; - if (this.text == "" && mode.blankLine) mode.blankLine(state); - while (!stream.eol()) { - var style = mode.token(stream, state), substr = stream.current(); - stream.start = stream.pos; - if (pos && st[pos-1] == style) { - st[pos-2] += substr; - } else if (substr) { - st[pos++] = substr; st[pos++] = style; - } - // Give up when line is ridiculously long - if (stream.pos > 5000) { - st[pos++] = this.text.slice(stream.pos); st[pos++] = null; - break; - } - } - }, - process: function(mode, state, tabSize) { - var stream = new StringStream(this.text, tabSize); - if (this.text == "" && mode.blankLine) mode.blankLine(state); - while (!stream.eol() && stream.pos <= 5000) { - mode.token(stream, state); - stream.start = stream.pos; - } - }, - // Fetch the parser token for a given character. Useful for hacks - // that want to inspect the mode state (say, for completion). - getTokenAt: function(mode, state, tabSize, ch) { - var txt = this.text, stream = new StringStream(txt, tabSize); - while (stream.pos < ch && !stream.eol()) { - stream.start = stream.pos; - var style = mode.token(stream, state); - } - return {start: stream.start, - end: stream.pos, - string: stream.current(), - className: style || null, - state: state}; - }, - indentation: function(tabSize) {return countColumn(this.text, null, tabSize);}, - // Produces an HTML fragment for the line, taking selection, - // marking, and highlighting into account. - getContent: function(tabSize, wrapAt, compensateForWrapping) { - var first = true, col = 0, specials = /[\t\u0000-\u0019\u200b\u2028\u2029\uFEFF]/g; - var pre = elt("pre"); - function span_(html, text, style) { - if (!text) return; - // Work around a bug where, in some compat modes, IE ignores leading spaces - if (first && ie && text.charAt(0) == " ") text = "\u00a0" + text.slice(1); - first = false; - if (!specials.test(text)) { - col += text.length; - var content = document.createTextNode(text); - } else { - var content = document.createDocumentFragment(), pos = 0; - while (true) { - specials.lastIndex = pos; - var m = specials.exec(text); - var skipped = m ? m.index - pos : text.length - pos; - if (skipped) { - content.appendChild(document.createTextNode(text.slice(pos, pos + skipped))); - col += skipped; - } - if (!m) break; - pos += skipped + 1; - if (m[0] == "\t") { - var tabWidth = tabSize - col % tabSize; - content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); - col += tabWidth; - } else { - var token = elt("span", "\u2022", "cm-invalidchar"); - token.title = "\\u" + m[0].charCodeAt(0).toString(16); - content.appendChild(token); - col += 1; - } - } - } - if (style) html.appendChild(elt("span", [content], style)); - else html.appendChild(content); - } - var span = span_; - if (wrapAt != null) { - var outPos = 0, anchor = pre.anchor = elt("span"); - span = function(html, text, style) { - var l = text.length; - if (wrapAt >= outPos && wrapAt < outPos + l) { - var cut = wrapAt - outPos; - if (cut) { - span_(html, text.slice(0, cut), style); - // See comment at the definition of spanAffectsWrapping - if (compensateForWrapping) { - var view = text.slice(cut - 1, cut + 1); - if (spanAffectsWrapping.test(view)) html.appendChild(elt("wbr")); - else if (!ie_lt8 && /\w\w/.test(view)) html.appendChild(document.createTextNode("\u200d")); - } - } - html.appendChild(anchor); - span_(anchor, opera ? text.slice(cut, cut + 1) : text.slice(cut), style); - if (opera) span_(html, text.slice(cut + 1), style); - wrapAt--; - outPos += l; - } else { - outPos += l; - span_(html, text, style); - if (outPos == wrapAt && outPos == len) { - setTextContent(anchor, eolSpanContent); - html.appendChild(anchor); - } - // Stop outputting HTML when gone sufficiently far beyond measure - else if (outPos > wrapAt + 10 && /\s/.test(text)) span = function(){}; - } - }; - } - - var st = this.styles, allText = this.text, marked = this.markedSpans; - var len = allText.length; - function styleToClass(style) { - if (!style) return null; - return "cm-" + style.replace(/ +/g, " cm-"); - } - if (!allText && wrapAt == null) { - span(pre, " "); - } else if (!marked || !marked.length) { - for (var i = 0, ch = 0; ch < len; i+=2) { - var str = st[i], style = st[i+1], l = str.length; - if (ch + l > len) str = str.slice(0, len - ch); - ch += l; - span(pre, str, styleToClass(style)); - } - } else { - marked.sort(function(a, b) { return a.from - b.from; }); - var pos = 0, i = 0, text = "", style, sg = 0; - var nextChange = marked[0].from || 0, marks = [], markpos = 0; - var advanceMarks = function() { - var m; - while (markpos < marked.length && - ((m = marked[markpos]).from == pos || m.from == null)) { - if (m.marker.type == "range") marks.push(m); - ++markpos; - } - nextChange = markpos < marked.length ? marked[markpos].from : Infinity; - for (var i = 0; i < marks.length; ++i) { - var to = marks[i].to; - if (to == null) to = Infinity; - if (to == pos) marks.splice(i--, 1); - else nextChange = Math.min(to, nextChange); - } - }; - var m = 0; - while (pos < len) { - if (nextChange == pos) advanceMarks(); - var upto = Math.min(len, nextChange); - while (true) { - if (text) { - var end = pos + text.length; - var appliedStyle = style; - for (var j = 0; j < marks.length; ++j) { - var mark = marks[j]; - appliedStyle = (appliedStyle ? appliedStyle + " " : "") + mark.marker.style; - if (mark.marker.endStyle && mark.to === Math.min(end, upto)) appliedStyle += " " + mark.marker.endStyle; - if (mark.marker.startStyle && mark.from === pos) appliedStyle += " " + mark.marker.startStyle; - } - span(pre, end > upto ? text.slice(0, upto - pos) : text, appliedStyle); - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} - pos = end; - } - text = st[i++]; style = styleToClass(st[i++]); - } - } - } - return pre; - }, - cleanUp: function() { - this.parent = null; - detachMarkedSpans(this); - } - }; - - // Data structure that holds the sequence of lines. - function LeafChunk(lines) { - this.lines = lines; - this.parent = null; - for (var i = 0, e = lines.length, height = 0; i < e; ++i) { - lines[i].parent = this; - height += lines[i].height; - } - this.height = height; - } - LeafChunk.prototype = { - chunkSize: function() { return this.lines.length; }, - remove: function(at, n, callbacks) { - for (var i = at, e = at + n; i < e; ++i) { - var line = this.lines[i]; - this.height -= line.height; - line.cleanUp(); - if (line.handlers) - for (var j = 0; j < line.handlers.length; ++j) callbacks.push(line.handlers[j]); - } - this.lines.splice(at, n); - }, - collapse: function(lines) { - lines.splice.apply(lines, [lines.length, 0].concat(this.lines)); - }, - insertHeight: function(at, lines, height) { - this.height += height; - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); - for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this; - }, - iterN: function(at, n, op) { - for (var e = at + n; at < e; ++at) - if (op(this.lines[at])) return true; - } - }; - function BranchChunk(children) { - this.children = children; - var size = 0, height = 0; - for (var i = 0, e = children.length; i < e; ++i) { - var ch = children[i]; - size += ch.chunkSize(); height += ch.height; - ch.parent = this; - } - this.size = size; - this.height = height; - this.parent = null; - } - BranchChunk.prototype = { - chunkSize: function() { return this.size; }, - remove: function(at, n, callbacks) { - this.size -= n; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var rm = Math.min(n, sz - at), oldHeight = child.height; - child.remove(at, rm, callbacks); - this.height -= oldHeight - child.height; - if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } - if ((n -= rm) == 0) break; - at = 0; - } else at -= sz; - } - if (this.size - n < 25) { - var lines = []; - this.collapse(lines); - this.children = [new LeafChunk(lines)]; - this.children[0].parent = this; - } - }, - collapse: function(lines) { - for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines); - }, - insert: function(at, lines) { - var height = 0; - for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height; - this.insertHeight(at, lines, height); - }, - insertHeight: function(at, lines, height) { - this.size += lines.length; - this.height += height; - for (var i = 0, e = this.children.length; i < e; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at <= sz) { - child.insertHeight(at, lines, height); - if (child.lines && child.lines.length > 50) { - while (child.lines.length > 50) { - var spilled = child.lines.splice(child.lines.length - 25, 25); - var newleaf = new LeafChunk(spilled); - child.height -= newleaf.height; - this.children.splice(i + 1, 0, newleaf); - newleaf.parent = this; - } - this.maybeSpill(); - } - break; - } - at -= sz; - } - }, - maybeSpill: function() { - if (this.children.length <= 10) return; - var me = this; - do { - var spilled = me.children.splice(me.children.length - 5, 5); - var sibling = new BranchChunk(spilled); - if (!me.parent) { // Become the parent node - var copy = new BranchChunk(me.children); - copy.parent = me; - me.children = [copy, sibling]; - me = copy; - } else { - me.size -= sibling.size; - me.height -= sibling.height; - var myIndex = indexOf(me.parent.children, me); - me.parent.children.splice(myIndex + 1, 0, sibling); - } - sibling.parent = me.parent; - } while (me.children.length > 10); - me.parent.maybeSpill(); - }, - iter: function(from, to, op) { this.iterN(from, to - from, op); }, - iterN: function(at, n, op) { - for (var i = 0, e = this.children.length; i < e; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var used = Math.min(n, sz - at); - if (child.iterN(at, used, op)) return true; - if ((n -= used) == 0) break; - at = 0; - } else at -= sz; - } - } - }; - - function getLineAt(chunk, n) { - while (!chunk.lines) { - for (var i = 0;; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; break; } - n -= sz; - } - } - return chunk.lines[n]; - } - function lineNo(line) { - if (line.parent == null) return null; - var cur = line.parent, no = indexOf(cur.lines, line); - for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { - for (var i = 0, e = chunk.children.length; ; ++i) { - if (chunk.children[i] == cur) break; - no += chunk.children[i].chunkSize(); - } - } - return no; - } - function lineAtHeight(chunk, h) { - var n = 0; - outer: do { - for (var i = 0, e = chunk.children.length; i < e; ++i) { - var child = chunk.children[i], ch = child.height; - if (h < ch) { chunk = child; continue outer; } - h -= ch; - n += child.chunkSize(); - } - return n; - } while (!chunk.lines); - for (var i = 0, e = chunk.lines.length; i < e; ++i) { - var line = chunk.lines[i], lh = line.height; - if (h < lh) break; - h -= lh; - } - return n + i; - } - function heightAtLine(chunk, n) { - var h = 0; - outer: do { - for (var i = 0, e = chunk.children.length; i < e; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; continue outer; } - n -= sz; - h += child.height; - } - return h; - } while (!chunk.lines); - for (var i = 0; i < n; ++i) h += chunk.lines[i].height; - return h; - } - - // The history object 'chunks' changes that are made close together - // and at almost the same time into bigger undoable units. - function History() { - this.time = 0; - this.done = []; this.undone = []; - this.compound = 0; - this.closed = false; - } - History.prototype = { - addChange: function(start, added, old) { - this.undone.length = 0; - var time = +new Date, cur = lst(this.done), last = cur && lst(cur); - var dtime = time - this.time; - - if (cur && !this.closed && this.compound) { - cur.push({start: start, added: added, old: old}); - } else if (dtime > 400 || !last || this.closed || - last.start > start + old.length || last.start + last.added < start) { - this.done.push([{start: start, added: added, old: old}]); - this.closed = false; - } else { - var startBefore = Math.max(0, last.start - start), - endAfter = Math.max(0, (start + old.length) - (last.start + last.added)); - for (var i = startBefore; i > 0; --i) last.old.unshift(old[i - 1]); - for (var i = endAfter; i > 0; --i) last.old.push(old[old.length - i]); - if (startBefore) last.start = start; - last.added += added - (old.length - startBefore - endAfter); - } - this.time = time; - }, - startCompound: function() { - if (!this.compound++) this.closed = true; - }, - endCompound: function() { - if (!--this.compound) this.closed = true; - } - }; - - function stopMethod() {e_stop(this);} - // Ensure an event has a stop method. - function addStop(event) { - if (!event.stop) event.stop = stopMethod; - return event; - } - - function e_preventDefault(e) { - if (e.preventDefault) e.preventDefault(); - else e.returnValue = false; - } - function e_stopPropagation(e) { - if (e.stopPropagation) e.stopPropagation(); - else e.cancelBubble = true; - } - function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} - CodeMirror.e_stop = e_stop; - CodeMirror.e_preventDefault = e_preventDefault; - CodeMirror.e_stopPropagation = e_stopPropagation; - - function e_target(e) {return e.target || e.srcElement;} - function e_button(e) { - var b = e.which; - if (b == null) { - if (e.button & 1) b = 1; - else if (e.button & 2) b = 3; - else if (e.button & 4) b = 2; - } - if (mac && e.ctrlKey && b == 1) b = 3; - return b; - } - - // Allow 3rd-party code to override event properties by adding an override - // object to an event object. - function e_prop(e, prop) { - var overridden = e.override && e.override.hasOwnProperty(prop); - return overridden ? e.override[prop] : e[prop]; - } - - // Event handler registration. If disconnect is true, it'll return a - // function that unregisters the handler. - function connect(node, type, handler, disconnect) { - if (typeof node.addEventListener == "function") { - node.addEventListener(type, handler, false); - if (disconnect) return function() {node.removeEventListener(type, handler, false);}; - } else { - var wrapHandler = function(event) {handler(event || window.event);}; - node.attachEvent("on" + type, wrapHandler); - if (disconnect) return function() {node.detachEvent("on" + type, wrapHandler);}; - } - } - CodeMirror.connect = connect; - - function Delayed() {this.id = null;} - Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}}; - - var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; - - // Detect drag-and-drop - var dragAndDrop = function() { - // There is *some* kind of drag-and-drop support in IE6-8, but I - // couldn't get it to work yet. - if (ie_lt9) return false; - var div = elt('div'); - return "draggable" in div || "dragDrop" in div; - }(); - - // Feature-detect whether newlines in textareas are converted to \r\n - var lineSep = function () { - var te = elt("textarea"); - te.value = "foo\nbar"; - if (te.value.indexOf("\r") > -1) return "\r\n"; - return "\n"; - }(); - - // For a reason I have yet to figure out, some browsers disallow - // word wrapping between certain characters *only* if a new inline - // element is started between them. This makes it hard to reliably - // measure the position of things, since that requires inserting an - // extra span. This terribly fragile set of regexps matches the - // character combinations that suffer from this phenomenon on the - // various browsers. - var spanAffectsWrapping = /^$/; // Won't match any two-character string - if (gecko) spanAffectsWrapping = /$'/; - else if (safari) spanAffectsWrapping = /\-[^ \-?]|\?[^ !'\"\),.\-\/:;\?\]\}]/; - else if (chrome) spanAffectsWrapping = /\-[^ \-\.?]|\?[^ \-\.?\]\}:;!'\"\),\/]|[\.!\"#&%\)*+,:;=>\]|\}~][\(\{\[<]|\$'/; - - // Counts the column offset in a string, taking tabs into account. - // Used mostly to find indentation. - function countColumn(string, end, tabSize) { - if (end == null) { - end = string.search(/[^\s\u00a0]/); - if (end == -1) end = string.length; - } - for (var i = 0, n = 0; i < end; ++i) { - if (string.charAt(i) == "\t") n += tabSize - (n % tabSize); - else ++n; - } - return n; - } - - function eltOffset(node, screen) { - // Take the parts of bounding client rect that we are interested in so we are able to edit if need be, - // since the returned value cannot be changed externally (they are kept in sync as the element moves within the page) - try { var box = node.getBoundingClientRect(); box = { top: box.top, left: box.left }; } - catch(e) { box = {top: 0, left: 0}; } - if (!screen) { - // Get the toplevel scroll, working around browser differences. - if (window.pageYOffset == null) { - var t = document.documentElement || document.body.parentNode; - if (t.scrollTop == null) t = document.body; - box.top += t.scrollTop; box.left += t.scrollLeft; - } else { - box.top += window.pageYOffset; box.left += window.pageXOffset; - } - } - return box; - } - - function eltText(node) { - return node.textContent || node.innerText || node.nodeValue || ""; - } - - var spaceStrs = [""]; - function spaceStr(n) { - while (spaceStrs.length <= n) - spaceStrs.push(lst(spaceStrs) + " "); - return spaceStrs[n]; - } - - function lst(arr) { return arr[arr.length-1]; } - - function selectInput(node) { - if (ios) { // Mobile Safari apparently has a bug where select() is broken. - node.selectionStart = 0; - node.selectionEnd = node.value.length; - } else node.select(); - } - - // Operations on {line, ch} objects. - function posEq(a, b) {return a.line == b.line && a.ch == b.ch;} - function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);} - function copyPos(x) {return {line: x.line, ch: x.ch};} - - function elt(tag, content, className, style) { - var e = document.createElement(tag); - if (className) e.className = className; - if (style) e.style.cssText = style; - if (typeof content == "string") setTextContent(e, content); - else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); - return e; - } - function removeChildren(e) { - e.innerHTML = ""; - return e; - } - function removeChildrenAndAdd(parent, e) { - removeChildren(parent).appendChild(e); - } - function setTextContent(e, str) { - if (ie_lt9) { - e.innerHTML = ""; - e.appendChild(document.createTextNode(str)); - } else e.textContent = str; - } - - // Used to position the cursor after an undo/redo by finding the - // last edited character. - function editEnd(from, to) { - if (!to) return 0; - if (!from) return to.length; - for (var i = from.length, j = to.length; i >= 0 && j >= 0; --i, --j) - if (from.charAt(i) != to.charAt(j)) break; - return j + 1; - } - - function indexOf(collection, elt) { - if (collection.indexOf) return collection.indexOf(elt); - for (var i = 0, e = collection.length; i < e; ++i) - if (collection[i] == elt) return i; - return -1; - } - function isWordChar(ch) { - return /\w/.test(ch) || ch.toUpperCase() != ch.toLowerCase() || /[\u4E00-\u9FA5]/.test(ch); - } - - // See if "".split is the broken IE version, if so, provide an - // alternative way to split lines. - var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { - var pos = 0, result = [], l = string.length; - while (pos <= l) { - var nl = string.indexOf("\n", pos); - if (nl == -1) nl = string.length; - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); - var rt = line.indexOf("\r"); - if (rt != -1) { - result.push(line.slice(0, rt)); - pos += rt + 1; - } else { - result.push(line); - pos = nl + 1; - } - } - return result; - } : function(string){return string.split(/\r\n?|\n/);}; - CodeMirror.splitLines = splitLines; - - var hasSelection = window.getSelection ? function(te) { - try { return te.selectionStart != te.selectionEnd; } - catch(e) { return false; } - } : function(te) { - try {var range = te.ownerDocument.selection.createRange();} - catch(e) {} - if (!range || range.parentElement() != te) return false; - return range.compareEndPoints("StartToEnd", range) != 0; - }; - - CodeMirror.defineMode("null", function() { - return {token: function(stream) {stream.skipToEnd();}}; - }); - CodeMirror.defineMIME("text/plain", "null"); - - var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 109: "-", 107: "=", 127: "Delete", - 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 63276: "PageUp", 63277: "PageDown", 63275: "End", 63273: "Home", - 63234: "Left", 63232: "Up", 63235: "Right", 63233: "Down", 63302: "Insert", 63272: "Delete"}; - CodeMirror.keyNames = keyNames; - (function() { - // Number keys - for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i); - // Alphabetic keys - for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); - // Function keys - for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; - })(); - - CodeMirror.version = "2.35"; - - return CodeMirror; -})(); diff --git a/lib/client/editor/codemirror_v2/mode/javascript.js b/lib/client/editor/codemirror_v2/mode/javascript.js deleted file mode 100644 index 37f6f873..00000000 --- a/lib/client/editor/codemirror_v2/mode/javascript.js +++ /dev/null @@ -1,409 +0,0 @@ -// TODO actually recognize syntax of TypeScript constructs - -CodeMirror.defineMode("javascript", function(config, parserConfig) { - var indentUnit = config.indentUnit; - var jsonMode = parserConfig.json; - var isTS = parserConfig.typescript; - - // Tokenizer - - var keywords = function(){ - function kw(type) {return {type: type, style: "keyword"};} - var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"); - var operator = kw("operator"), atom = {type: "atom", style: "atom"}; - - var jsKeywords = { - "if": A, "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, - "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C, - "var": kw("var"), "const": kw("var"), "let": kw("var"), - "function": kw("function"), "catch": kw("catch"), - "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), - "in": operator, "typeof": operator, "instanceof": operator, - "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom - }; - - // Extend the 'normal' keywords with the TypeScript language extensions - if (isTS) { - var type = {type: "variable", style: "variable-3"}; - var tsKeywords = { - // object-like things - "interface": kw("interface"), - "class": kw("class"), - "extends": kw("extends"), - "constructor": kw("constructor"), - - // scope modifiers - "public": kw("public"), - "private": kw("private"), - "protected": kw("protected"), - "static": kw("static"), - - "super": kw("super"), - - // types - "string": type, "number": type, "bool": type, "any": type - }; - - for (var attr in tsKeywords) { - jsKeywords[attr] = tsKeywords[attr]; - } - } - - return jsKeywords; - }(); - - var isOperatorChar = /[+\-*&%=<>!?|]/; - - function chain(stream, state, f) { - state.tokenize = f; - return f(stream, state); - } - - function nextUntilUnescaped(stream, end) { - var escaped = false, next; - while ((next = stream.next()) != null) { - if (next == end && !escaped) - return false; - escaped = !escaped && next == "\\"; - } - return escaped; - } - - // Used as scratch variables to communicate multiple values without - // consing up tons of objects. - var type, content; - function ret(tp, style, cont) { - type = tp; content = cont; - return style; - } - - function jsTokenBase(stream, state) { - var ch = stream.next(); - if (ch == '"' || ch == "'") - return chain(stream, state, jsTokenString(ch)); - else if (/[\[\]{}\(\),;\:\.]/.test(ch)) - return ret(ch); - else if (ch == "0" && stream.eat(/x/i)) { - stream.eatWhile(/[\da-f]/i); - return ret("number", "number"); - } - else if (/\d/.test(ch) || ch == "-" && stream.eat(/\d/)) { - stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); - return ret("number", "number"); - } - else if (ch == "/") { - if (stream.eat("*")) { - return chain(stream, state, jsTokenComment); - } - else if (stream.eat("/")) { - stream.skipToEnd(); - return ret("comment", "comment"); - } - else if (state.lastType == "operator" || state.lastType == "keyword c" || - /^[\[{}\(,;:]$/.test(state.lastType)) { - nextUntilUnescaped(stream, "/"); - stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla - return ret("regexp", "string-2"); - } - else { - stream.eatWhile(isOperatorChar); - return ret("operator", null, stream.current()); - } - } - else if (ch == "#") { - stream.skipToEnd(); - return ret("error", "error"); - } - else if (isOperatorChar.test(ch)) { - stream.eatWhile(isOperatorChar); - return ret("operator", null, stream.current()); - } - else { - stream.eatWhile(/[\w\$_]/); - var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word]; - return (known && state.lastType != ".") ? ret(known.type, known.style, word) : - ret("variable", "variable", word); - } - } - - function jsTokenString(quote) { - return function(stream, state) { - if (!nextUntilUnescaped(stream, quote)) - state.tokenize = jsTokenBase; - return ret("string", "string"); - }; - } - - function jsTokenComment(stream, state) { - var maybeEnd = false, ch; - while (ch = stream.next()) { - if (ch == "/" && maybeEnd) { - state.tokenize = jsTokenBase; - break; - } - maybeEnd = (ch == "*"); - } - return ret("comment", "comment"); - } - - // Parser - - var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true}; - - function JSLexical(indented, column, type, align, prev, info) { - this.indented = indented; - this.column = column; - this.type = type; - this.prev = prev; - this.info = info; - if (align != null) this.align = align; - } - - function inScope(state, varname) { - for (var v = state.localVars; v; v = v.next) - if (v.name == varname) return true; - } - - function parseJS(state, style, type, content, stream) { - var cc = state.cc; - // Communicate our context to the combinators. - // (Less wasteful than consing up a hundred closures on every call.) - cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; - - if (!state.lexical.hasOwnProperty("align")) - state.lexical.align = true; - - while(true) { - var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; - if (combinator(type, content)) { - while(cc.length && cc[cc.length - 1].lex) - cc.pop()(); - if (cx.marked) return cx.marked; - if (type == "variable" && inScope(state, content)) return "variable-2"; - return style; - } - } - } - - // Combinator utils - - var cx = {state: null, column: null, marked: null, cc: null}; - function pass() { - for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); - } - function cont() { - pass.apply(null, arguments); - return true; - } - function register(varname) { - var state = cx.state; - if (state.context) { - cx.marked = "def"; - for (var v = state.localVars; v; v = v.next) - if (v.name == varname) return; - state.localVars = {name: varname, next: state.localVars}; - } - } - - // Combinators - - var defaultVars = {name: "this", next: {name: "arguments"}}; - function pushcontext() { - cx.state.context = {prev: cx.state.context, vars: cx.state.localVars}; - cx.state.localVars = defaultVars; - } - function popcontext() { - cx.state.localVars = cx.state.context.vars; - cx.state.context = cx.state.context.prev; - } - function pushlex(type, info) { - var result = function() { - var state = cx.state; - state.lexical = new JSLexical(state.indented, cx.stream.column(), type, null, state.lexical, info); - }; - result.lex = true; - return result; - } - function poplex() { - var state = cx.state; - if (state.lexical.prev) { - if (state.lexical.type == ")") - state.indented = state.lexical.indented; - state.lexical = state.lexical.prev; - } - } - poplex.lex = true; - - function expect(wanted) { - return function expecting(type) { - if (type == wanted) return cont(); - else if (wanted == ";") return pass(); - else return cont(arguments.callee); - }; - } - - function statement(type) { - if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex); - if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex); - if (type == "keyword b") return cont(pushlex("form"), statement, poplex); - if (type == "{") return cont(pushlex("}"), block, poplex); - if (type == ";") return cont(); - if (type == "function") return cont(functiondef); - if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"), - poplex, statement, poplex); - if (type == "variable") return cont(pushlex("stat"), maybelabel); - if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), - block, poplex, poplex); - if (type == "case") return cont(expression, expect(":")); - if (type == "default") return cont(expect(":")); - if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), - statement, poplex, popcontext); - return pass(pushlex("stat"), expression, expect(";"), poplex); - } - function expression(type) { - if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator); - if (type == "function") return cont(functiondef); - if (type == "keyword c") return cont(maybeexpression); - if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeoperator); - if (type == "operator") return cont(expression); - if (type == "[") return cont(pushlex("]"), commasep(expression, "]"), poplex, maybeoperator); - if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator); - return cont(); - } - function maybeexpression(type) { - if (type.match(/[;\}\)\],]/)) return pass(); - return pass(expression); - } - - function maybeoperator(type, value) { - if (type == "operator" && /\+\+|--/.test(value)) return cont(maybeoperator); - if (type == "operator" && value == "?") return cont(expression, expect(":"), expression); - if (type == ";") return; - if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator); - if (type == ".") return cont(property, maybeoperator); - if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator); - } - function maybelabel(type) { - if (type == ":") return cont(poplex, statement); - return pass(maybeoperator, expect(";"), poplex); - } - function property(type) { - if (type == "variable") {cx.marked = "property"; return cont();} - } - function objprop(type) { - if (type == "variable") cx.marked = "property"; - if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression); - } - function commasep(what, end) { - function proceed(type) { - if (type == ",") return cont(what, proceed); - if (type == end) return cont(); - return cont(expect(end)); - } - return function commaSeparated(type) { - if (type == end) return cont(); - else return pass(what, proceed); - }; - } - function block(type) { - if (type == "}") return cont(); - return pass(statement, block); - } - function maybetype(type) { - if (type == ":") return cont(typedef); - return pass(); - } - function typedef(type) { - if (type == "variable"){cx.marked = "variable-3"; return cont();} - return pass(); - } - function vardef1(type, value) { - if (type == "variable") { - register(value); - return isTS ? cont(maybetype, vardef2) : cont(vardef2); - } - return pass(); - } - function vardef2(type, value) { - if (value == "=") return cont(expression, vardef2); - if (type == ",") return cont(vardef1); - } - function forspec1(type) { - if (type == "var") return cont(vardef1, expect(";"), forspec2); - if (type == ";") return cont(forspec2); - if (type == "variable") return cont(formaybein); - return cont(forspec2); - } - function formaybein(type, value) { - if (value == "in") return cont(expression); - return cont(maybeoperator, forspec2); - } - function forspec2(type, value) { - if (type == ";") return cont(forspec3); - if (value == "in") return cont(expression); - return cont(expression, expect(";"), forspec3); - } - function forspec3(type) { - if (type != ")") cont(expression); - } - function functiondef(type, value) { - if (type == "variable") {register(value); return cont(functiondef);} - if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, statement, popcontext); - } - function funarg(type, value) { - if (type == "variable") {register(value); return isTS ? cont(maybetype) : cont();} - } - - // Interface - - return { - startState: function(basecolumn) { - return { - tokenize: jsTokenBase, - lastType: null, - cc: [], - lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), - localVars: parserConfig.localVars, - context: parserConfig.localVars && {vars: parserConfig.localVars}, - indented: 0 - }; - }, - - token: function(stream, state) { - if (stream.sol()) { - if (!state.lexical.hasOwnProperty("align")) - state.lexical.align = false; - state.indented = stream.indentation(); - } - if (stream.eatSpace()) return null; - var style = state.tokenize(stream, state); - if (type == "comment") return style; - state.lastType = type; - return parseJS(state, style, type, content, stream); - }, - - indent: function(state, textAfter) { - if (state.tokenize == jsTokenComment) return CodeMirror.Pass; - if (state.tokenize != jsTokenBase) return 0; - var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical; - if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev; - var type = lexical.type, closing = firstChar == type; - if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? 4 : 0); - else if (type == "form" && firstChar == "{") return lexical.indented; - else if (type == "form") return lexical.indented + indentUnit; - else if (type == "stat") - return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? indentUnit : 0); - else if (lexical.info == "switch" && !closing) - return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); - else if (lexical.align) return lexical.column + (closing ? 0 : 1); - else return lexical.indented + (closing ? 0 : indentUnit); - }, - - electricChars: ":{}" - }; -}); - -CodeMirror.defineMIME("text/javascript", "javascript"); -CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); -CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true }); -CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true }); diff --git a/lib/client/editor/codemirror_v2/mode/xml.js b/lib/client/editor/codemirror_v2/mode/xml.js deleted file mode 100644 index 860e368f..00000000 --- a/lib/client/editor/codemirror_v2/mode/xml.js +++ /dev/null @@ -1,318 +0,0 @@ -CodeMirror.defineMode("xml", function(config, parserConfig) { - var indentUnit = config.indentUnit; - var Kludges = parserConfig.htmlMode ? { - autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true, - 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true, - 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true, - 'track': true, 'wbr': true}, - implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true, - 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true, - 'th': true, 'tr': true}, - contextGrabbers: { - 'dd': {'dd': true, 'dt': true}, - 'dt': {'dd': true, 'dt': true}, - 'li': {'li': true}, - 'option': {'option': true, 'optgroup': true}, - 'optgroup': {'optgroup': true}, - 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true, - 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true, - 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true, - 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true, - 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true}, - 'rp': {'rp': true, 'rt': true}, - 'rt': {'rp': true, 'rt': true}, - 'tbody': {'tbody': true, 'tfoot': true}, - 'td': {'td': true, 'th': true}, - 'tfoot': {'tbody': true}, - 'th': {'td': true, 'th': true}, - 'thead': {'tbody': true, 'tfoot': true}, - 'tr': {'tr': true} - }, - doNotIndent: {"pre": true}, - allowUnquoted: true, - allowMissing: true - } : { - autoSelfClosers: {}, - implicitlyClosed: {}, - contextGrabbers: {}, - doNotIndent: {}, - allowUnquoted: false, - allowMissing: false - }; - var alignCDATA = parserConfig.alignCDATA; - - // Return variables for tokenizers - var tagName, type; - - function inText(stream, state) { - function chain(parser) { - state.tokenize = parser; - return parser(stream, state); - } - - var ch = stream.next(); - if (ch == "<") { - if (stream.eat("!")) { - if (stream.eat("[")) { - if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>")); - else return null; - } - else if (stream.match("--")) return chain(inBlock("comment", "-->")); - else if (stream.match("DOCTYPE", true, true)) { - stream.eatWhile(/[\w\._\-]/); - return chain(doctype(1)); - } - else return null; - } - else if (stream.eat("?")) { - stream.eatWhile(/[\w\._\-]/); - state.tokenize = inBlock("meta", "?>"); - return "meta"; - } - else { - type = stream.eat("/") ? "closeTag" : "openTag"; - stream.eatSpace(); - tagName = ""; - var c; - while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c; - state.tokenize = inTag; - return "tag"; - } - } - else if (ch == "&") { - var ok; - if (stream.eat("#")) { - if (stream.eat("x")) { - ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";"); - } else { - ok = stream.eatWhile(/[\d]/) && stream.eat(";"); - } - } else { - ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";"); - } - return ok ? "atom" : "error"; - } - else { - stream.eatWhile(/[^&<]/); - return null; - } - } - - function inTag(stream, state) { - var ch = stream.next(); - if (ch == ">" || (ch == "/" && stream.eat(">"))) { - state.tokenize = inText; - type = ch == ">" ? "endTag" : "selfcloseTag"; - return "tag"; - } - else if (ch == "=") { - type = "equals"; - return null; - } - else if (/[\'\"]/.test(ch)) { - state.tokenize = inAttribute(ch); - return state.tokenize(stream, state); - } - else { - stream.eatWhile(/[^\s\u00a0=<>\"\'\/?]/); - return "word"; - } - } - - function inAttribute(quote) { - return function(stream, state) { - while (!stream.eol()) { - if (stream.next() == quote) { - state.tokenize = inTag; - break; - } - } - return "string"; - }; - } - - function inBlock(style, terminator) { - return function(stream, state) { - while (!stream.eol()) { - if (stream.match(terminator)) { - state.tokenize = inText; - break; - } - stream.next(); - } - return style; - }; - } - function doctype(depth) { - return function(stream, state) { - var ch; - while ((ch = stream.next()) != null) { - if (ch == "<") { - state.tokenize = doctype(depth + 1); - return state.tokenize(stream, state); - } else if (ch == ">") { - if (depth == 1) { - state.tokenize = inText; - break; - } else { - state.tokenize = doctype(depth - 1); - return state.tokenize(stream, state); - } - } - } - return "meta"; - }; - } - - var curState, setStyle; - function pass() { - for (var i = arguments.length - 1; i >= 0; i--) curState.cc.push(arguments[i]); - } - function cont() { - pass.apply(null, arguments); - return true; - } - - function pushContext(tagName, startOfLine) { - var noIndent = Kludges.doNotIndent.hasOwnProperty(tagName) || (curState.context && curState.context.noIndent); - curState.context = { - prev: curState.context, - tagName: tagName, - indent: curState.indented, - startOfLine: startOfLine, - noIndent: noIndent - }; - } - function popContext() { - if (curState.context) curState.context = curState.context.prev; - } - - function element(type) { - if (type == "openTag") { - curState.tagName = tagName; - return cont(attributes, endtag(curState.startOfLine)); - } else if (type == "closeTag") { - var err = false; - if (curState.context) { - if (curState.context.tagName != tagName) { - if (Kludges.implicitlyClosed.hasOwnProperty(curState.context.tagName.toLowerCase())) { - popContext(); - } - err = !curState.context || curState.context.tagName != tagName; - } - } else { - err = true; - } - if (err) setStyle = "error"; - return cont(endclosetag(err)); - } - return cont(); - } - function endtag(startOfLine) { - return function(type) { - if (type == "selfcloseTag" || - (type == "endTag" && Kludges.autoSelfClosers.hasOwnProperty(curState.tagName.toLowerCase()))) { - maybePopContext(curState.tagName.toLowerCase()); - return cont(); - } - if (type == "endTag") { - maybePopContext(curState.tagName.toLowerCase()); - pushContext(curState.tagName, startOfLine); - return cont(); - } - return cont(); - }; - } - function endclosetag(err) { - return function(type) { - if (err) setStyle = "error"; - if (type == "endTag") { popContext(); return cont(); } - setStyle = "error"; - return cont(arguments.callee); - }; - } - function maybePopContext(nextTagName) { - var parentTagName; - while (true) { - if (!curState.context) { - return; - } - parentTagName = curState.context.tagName.toLowerCase(); - if (!Kludges.contextGrabbers.hasOwnProperty(parentTagName) || - !Kludges.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) { - return; - } - popContext(); - } - } - - function attributes(type) { - if (type == "word") {setStyle = "attribute"; return cont(attribute, attributes);} - if (type == "endTag" || type == "selfcloseTag") return pass(); - setStyle = "error"; - return cont(attributes); - } - function attribute(type) { - if (type == "equals") return cont(attvalue, attributes); - if (!Kludges.allowMissing) setStyle = "error"; - return (type == "endTag" || type == "selfcloseTag") ? pass() : cont(); - } - function attvalue(type) { - if (type == "string") return cont(attvaluemaybe); - if (type == "word" && Kludges.allowUnquoted) {setStyle = "string"; return cont();} - setStyle = "error"; - return (type == "endTag" || type == "selfCloseTag") ? pass() : cont(); - } - function attvaluemaybe(type) { - if (type == "string") return cont(attvaluemaybe); - else return pass(); - } - - return { - startState: function() { - return {tokenize: inText, cc: [], indented: 0, startOfLine: true, tagName: null, context: null}; - }, - - token: function(stream, state) { - if (stream.sol()) { - state.startOfLine = true; - state.indented = stream.indentation(); - } - if (stream.eatSpace()) return null; - - setStyle = type = tagName = null; - var style = state.tokenize(stream, state); - state.type = type; - if ((style || type) && style != "comment") { - curState = state; - while (true) { - var comb = state.cc.pop() || element; - if (comb(type || style)) break; - } - } - state.startOfLine = false; - return setStyle || style; - }, - - indent: function(state, textAfter, fullLine) { - var context = state.context; - if ((state.tokenize != inTag && state.tokenize != inText) || - context && context.noIndent) - return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0; - if (alignCDATA && /' + pData + '', lConfig); @@ -180,8 +172,9 @@ var CloudCommander, Util, DOM, CloudFunc, $; FancyBox.show = function(pCallBack){ set(); - var lConfig = FancyBox.getConfig(), + var lConfig = getConfig(), lResult = Util.exec(pCallBack); + if(!lResult){ var lCurrentFile = DOM.getCurrentFile(), lA = DOM.getByClass('fancybox', lCurrentFile)[0]; @@ -190,7 +183,8 @@ var CloudCommander, Util, DOM, CloudFunc, $; if(lA.rel) $.fancybox.open({ href : lA.href }, lConfig); - else FancyBox.loadData(lA, FancyBox.onDataLoaded); + else + FancyBox.loadData(lA, FancyBox.onDataLoaded); } } }; @@ -210,7 +204,7 @@ var CloudCommander, Util, DOM, CloudFunc, $; var lF3 = cloudcmd.KEY.F3, lKeyBinded = KeyBinding.get(), lKey = event.keyCode, - lShift = event.shiftKey; + lShift = event.shiftKey; /* если клавиши можно обрабатывать */ if( lKeyBinded && lKey === lF3 && lShift ){