Update lib/client/menu/jquery.ui.position.js

This commit is contained in:
coderaiser 2012-08-14 15:16:54 +03:00
parent d5a4c02d6c
commit ee48b254a6

View file

@ -1,8 +1,9 @@
/*!
* jQuery UI Position 1.8.13
* jQuery UI Position @VERSION
* http://jqueryui.com
*
* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* Copyright 2012 jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Position
@ -11,11 +12,76 @@
$.ui = $.ui || {};
var horizontalPositions = /left|center|right/,
verticalPositions = /top|center|bottom/,
center = "center",
_position = $.fn.position,
_offset = $.fn.offset;
var cachedScrollbarWidth,
max = Math.max,
abs = Math.abs,
round = Math.round,
rhorizontal = /left|center|right/,
rvertical = /top|center|bottom/,
roffset = /[\+\-]\d+%?/,
rposition = /^\w+/,
rpercent = /%$/,
_position = $.fn.position;
function getOffsets( offsets, width, height ) {
return [
parseInt( offsets[ 0 ], 10 ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
parseInt( offsets[ 1 ], 10 ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
];
}
function parseCss( element, property ) {
return parseInt( $.css( element, property ), 10 ) || 0;
}
$.position = {
scrollbarWidth: function() {
if ( cachedScrollbarWidth !== undefined ) {
return cachedScrollbarWidth;
}
var w1, w2,
div = $( "<div style='display:block;width:50px;height:50px;overflow:hidden;'><div style='height:100px;width:auto;'></div></div>" ),
innerDiv = div.children()[0];
$( "body" ).append( div );
w1 = innerDiv.offsetWidth;
div.css( "overflow", "scroll" );
w2 = innerDiv.offsetWidth;
if ( w1 === w2 ) {
w2 = div[0].clientWidth;
}
div.remove();
return (cachedScrollbarWidth = w1 - w2);
},
getScrollInfo: function( within ) {
var overflowX = within.isWindow ? "" : within.element.css( "overflow-x" ),
overflowY = within.isWindow ? "" : within.element.css( "overflow-y" ),
hasOverflowX = overflowX === "scroll" ||
( overflowX === "auto" && within.width < within.element[0].scrollWidth ),
hasOverflowY = overflowY === "scroll" ||
( overflowY === "auto" && within.height < within.element[0].scrollHeight );
return {
width: hasOverflowX ? $.position.scrollbarWidth() : 0,
height: hasOverflowY ? $.position.scrollbarWidth() : 0
};
},
getWithinInfo: function( element ) {
var withinElement = $( element || window ),
isWindow = $.isWindow( withinElement[0] );
return {
element: withinElement,
isWindow: isWindow,
offset: withinElement.offset() || { left: 0, top: 0 },
scrollLeft: withinElement.scrollLeft(),
scrollTop: withinElement.scrollTop(),
width: isWindow ? withinElement.width() : withinElement.outerWidth(),
height: isWindow ? withinElement.height() : withinElement.outerHeight()
};
}
};
$.fn.position = function( options ) {
if ( !options || !options.of ) {
@ -25,48 +91,65 @@ $.fn.position = function( options ) {
// make a copy, we don't want to modify arguments
options = $.extend( {}, options );
var target = $( options.of ),
var atOffset, targetWidth, targetHeight, targetOffset, basePosition,
target = $( options.of ),
within = $.position.getWithinInfo( options.within ),
scrollInfo = $.position.getScrollInfo( within ),
targetElem = target[0],
collision = ( options.collision || "flip" ).split( " " ),
offset = options.offset ? options.offset.split( " " ) : [ 0, 0 ],
targetWidth,
targetHeight,
basePosition;
offsets = {};
if ( targetElem.nodeType === 9 ) {
targetWidth = target.width();
targetHeight = target.height();
basePosition = { top: 0, left: 0 };
// TODO: use $.isWindow() in 1.9
} else if ( targetElem.setTimeout ) {
targetOffset = { top: 0, left: 0 };
} else if ( $.isWindow( targetElem ) ) {
targetWidth = target.width();
targetHeight = target.height();
basePosition = { top: target.scrollTop(), left: target.scrollLeft() };
targetOffset = { top: target.scrollTop(), left: target.scrollLeft() };
} else if ( targetElem.preventDefault ) {
// force left top to allow flipping
options.at = "left top";
targetWidth = targetHeight = 0;
basePosition = { top: options.of.pageY, left: options.of.pageX };
targetOffset = { top: targetElem.pageY, left: targetElem.pageX };
} else {
targetWidth = target.outerWidth();
targetHeight = target.outerHeight();
basePosition = target.offset();
targetOffset = target.offset();
}
// clone to reuse original targetOffset later
basePosition = $.extend( {}, targetOffset );
// force my and at to have valid horizontal and veritcal positions
// if a value is missing or invalid, it will be converted to center
// force my and at to have valid horizontal and vertical positions
// if a value is missing or invalid, it will be converted to center
$.each( [ "my", "at" ], function() {
var pos = ( options[this] || "" ).split( " " );
var pos = ( options[ this ] || "" ).split( " " ),
horizontalOffset,
verticalOffset;
if ( pos.length === 1) {
pos = horizontalPositions.test( pos[0] ) ?
pos.concat( [center] ) :
verticalPositions.test( pos[0] ) ?
[ center ].concat( pos ) :
[ center, center ];
pos = rhorizontal.test( pos[ 0 ] ) ?
pos.concat( [ "center" ] ) :
rvertical.test( pos[ 0 ] ) ?
[ "center" ].concat( pos ) :
[ "center", "center" ];
}
pos[ 0 ] = horizontalPositions.test( pos[0] ) ? pos[ 0 ] : center;
pos[ 1 ] = verticalPositions.test( pos[1] ) ? pos[ 1 ] : center;
options[ this ] = pos;
pos[ 0 ] = rhorizontal.test( pos[ 0 ] ) ? pos[ 0 ] : "center";
pos[ 1 ] = rvertical.test( pos[ 1 ] ) ? pos[ 1 ] : "center";
// calculate offsets
horizontalOffset = roffset.exec( pos[ 0 ] );
verticalOffset = roffset.exec( pos[ 1 ] );
offsets[ this ] = [
horizontalOffset ? horizontalOffset[ 0 ] : 0,
verticalOffset ? verticalOffset[ 0 ] : 0
];
// reduce to just the positions without the offsets
options[ this ] = [
rposition.exec( pos[ 0 ] )[ 0 ],
rposition.exec( pos[ 1 ] )[ 0 ]
];
});
// normalize collision option
@ -74,65 +157,63 @@ $.fn.position = function( options ) {
collision[ 1 ] = collision[ 0 ];
}
// normalize offset option
offset[ 0 ] = parseInt( offset[0], 10 ) || 0;
if ( offset.length === 1 ) {
offset[ 1 ] = offset[ 0 ];
}
offset[ 1 ] = parseInt( offset[1], 10 ) || 0;
if ( options.at[0] === "right" ) {
if ( options.at[ 0 ] === "right" ) {
basePosition.left += targetWidth;
} else if ( options.at[0] === center ) {
} else if ( options.at[ 0 ] === "center" ) {
basePosition.left += targetWidth / 2;
}
if ( options.at[1] === "bottom" ) {
if ( options.at[ 1 ] === "bottom" ) {
basePosition.top += targetHeight;
} else if ( options.at[1] === center ) {
} else if ( options.at[ 1 ] === "center" ) {
basePosition.top += targetHeight / 2;
}
basePosition.left += offset[ 0 ];
basePosition.top += offset[ 1 ];
atOffset = getOffsets( offsets.at, targetWidth, targetHeight );
basePosition.left += atOffset[ 0 ];
basePosition.top += atOffset[ 1 ];
return this.each(function() {
var elem = $( this ),
var collisionPosition, using,
elem = $( this ),
elemWidth = elem.outerWidth(),
elemHeight = elem.outerHeight(),
marginLeft = parseInt( $.curCSS( this, "marginLeft", true ) ) || 0,
marginTop = parseInt( $.curCSS( this, "marginTop", true ) ) || 0,
collisionWidth = elemWidth + marginLeft +
( parseInt( $.curCSS( this, "marginRight", true ) ) || 0 ),
collisionHeight = elemHeight + marginTop +
( parseInt( $.curCSS( this, "marginBottom", true ) ) || 0 ),
marginLeft = parseCss( this, "marginLeft" ),
marginTop = parseCss( this, "marginTop" ),
collisionWidth = elemWidth + marginLeft + parseCss( this, "marginRight" ) + scrollInfo.width,
collisionHeight = elemHeight + marginTop + parseCss( this, "marginBottom" ) + scrollInfo.height,
position = $.extend( {}, basePosition ),
collisionPosition;
myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() );
if ( options.my[0] === "right" ) {
if ( options.my[ 0 ] === "right" ) {
position.left -= elemWidth;
} else if ( options.my[0] === center ) {
} else if ( options.my[ 0 ] === "center" ) {
position.left -= elemWidth / 2;
}
if ( options.my[1] === "bottom" ) {
if ( options.my[ 1 ] === "bottom" ) {
position.top -= elemHeight;
} else if ( options.my[1] === center ) {
} else if ( options.my[ 1 ] === "center" ) {
position.top -= elemHeight / 2;
}
// prevent fractions (see #5280)
position.left = Math.round( position.left );
position.top = Math.round( position.top );
position.left += myOffset[ 0 ];
position.top += myOffset[ 1 ];
// if the browser doesn't support fractions, then round for consistent results
if ( !$.support.offsetFractions ) {
position.left = round( position.left );
position.top = round( position.top );
}
collisionPosition = {
left: position.left - marginLeft,
top: position.top - marginTop
marginLeft: marginLeft,
marginTop: marginTop
};
$.each( [ "left", "top" ], function( i, dir ) {
if ( $.ui.position[ collision[i] ] ) {
$.ui.position[ collision[i] ][ dir ]( position, {
if ( $.ui.position[ collision[ i ] ] ) {
$.ui.position[ collision[ i ] ][ dir ]( position, {
targetWidth: targetWidth,
targetHeight: targetHeight,
elemWidth: elemWidth,
@ -140,9 +221,11 @@ $.fn.position = function( options ) {
collisionPosition: collisionPosition,
collisionWidth: collisionWidth,
collisionHeight: collisionHeight,
offset: offset,
offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ],
my: options.my,
at: options.at
at: options.at,
within: within,
elem : elem
});
}
});
@ -150,31 +233,137 @@ $.fn.position = function( options ) {
if ( $.fn.bgiframe ) {
elem.bgiframe();
}
elem.offset( $.extend( position, { using: options.using } ) );
if ( options.using ) {
// adds feedback as second argument to using callback, if present
using = function( props ) {
var left = targetOffset.left - position.left,
right = left + targetWidth - elemWidth,
top = targetOffset.top - position.top,
bottom = top + targetHeight - elemHeight,
feedback = {
target: {
element: target,
left: targetOffset.left,
top: targetOffset.top,
width: targetWidth,
height: targetHeight
},
element: {
element: elem,
left: position.left,
top: position.top,
width: elemWidth,
height: elemHeight
},
horizontal: right < 0 ? "left" : left > 0 ? "right" : "center",
vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle"
};
if ( targetWidth < elemWidth && abs( left + right ) < targetWidth ) {
feedback.horizontal = "center";
}
if ( targetHeight < elemHeight && abs( top + bottom ) < targetHeight ) {
feedback.vertical = "middle";
}
if ( max( abs( left ), abs( right ) ) > max( abs( top ), abs( bottom ) ) ) {
feedback.important = "horizontal";
} else {
feedback.important = "vertical";
}
options.using.call( this, props, feedback );
};
}
elem.offset( $.extend( position, { using: using } ) );
});
};
$.ui.position = {
fit: {
left: function( position, data ) {
var win = $( window ),
over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft();
position.left = over > 0 ? position.left - over : Math.max( position.left - data.collisionPosition.left, position.left );
var within = data.within,
withinOffset = within.isWindow ? within.scrollLeft : within.offset.left,
outerWidth = within.width,
collisionPosLeft = position.left - data.collisionPosition.marginLeft,
overLeft = withinOffset - collisionPosLeft,
overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
newOverRight;
// element is wider than within
if ( data.collisionWidth > outerWidth ) {
// element is initially over the left side of within
if ( overLeft > 0 && overRight <= 0 ) {
newOverRight = position.left + overLeft + data.collisionWidth - outerWidth - withinOffset;
position.left += overLeft - newOverRight;
// element is initially over right side of within
} else if ( overRight > 0 && overLeft <= 0 ) {
position.left = withinOffset;
// element is initially over both left and right sides of within
} else {
if ( overLeft > overRight ) {
position.left = withinOffset + outerWidth - data.collisionWidth;
} else {
position.left = withinOffset;
}
}
// too far left -> align with left edge
} else if ( overLeft > 0 ) {
position.left += overLeft;
// too far right -> align with right edge
} else if ( overRight > 0 ) {
position.left -= overRight;
// adjust based on position and margin
} else {
position.left = max( position.left - collisionPosLeft, position.left );
}
},
top: function( position, data ) {
var win = $( window ),
over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop();
position.top = over > 0 ? position.top - over : Math.max( position.top - data.collisionPosition.top, position.top );
var within = data.within,
withinOffset = within.isWindow ? within.scrollTop : within.offset.top,
outerHeight = data.within.height,
collisionPosTop = position.top - data.collisionPosition.marginTop,
overTop = withinOffset - collisionPosTop,
overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
newOverBottom;
// element is taller than within
if ( data.collisionHeight > outerHeight ) {
// element is initially over the top of within
if ( overTop > 0 && overBottom <= 0 ) {
newOverBottom = position.top + overTop + data.collisionHeight - outerHeight - withinOffset;
position.top += overTop - newOverBottom;
// element is initially over bottom of within
} else if ( overBottom > 0 && overTop <= 0 ) {
position.top = withinOffset;
// element is initially over both top and bottom of within
} else {
if ( overTop > overBottom ) {
position.top = withinOffset + outerHeight - data.collisionHeight;
} else {
position.top = withinOffset;
}
}
// too far up -> align with top
} else if ( overTop > 0 ) {
position.top += overTop;
// too far down -> align with bottom edge
} else if ( overBottom > 0 ) {
position.top -= overBottom;
// adjust based on position and margin
} else {
position.top = max( position.top - collisionPosTop, position.top );
}
}
},
flip: {
left: function( position, data ) {
if ( data.at[0] === center ) {
return;
}
var win = $( window ),
over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft(),
var within = data.within,
withinOffset = within.offset.left + within.scrollLeft,
outerWidth = within.width,
offsetLeft = within.isWindow ? 0 : within.offset.left,
collisionPosLeft = position.left - data.collisionPosition.marginLeft,
overLeft = collisionPosLeft - offsetLeft,
overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
myOffset = data.my[ 0 ] === "left" ?
-data.elemWidth :
data.my[ 0 ] === "right" ?
@ -182,71 +371,147 @@ $.ui.position = {
0,
atOffset = data.at[ 0 ] === "left" ?
data.targetWidth :
-data.targetWidth,
offset = -2 * data.offset[ 0 ];
position.left += data.collisionPosition.left < 0 ?
myOffset + atOffset + offset :
over > 0 ?
myOffset + atOffset + offset :
0;
data.at[ 0 ] === "right" ?
-data.targetWidth :
0,
offset = -2 * data.offset[ 0 ],
newOverRight,
newOverLeft;
if ( overLeft < 0 ) {
newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth - outerWidth - withinOffset;
if ( newOverRight < 0 || newOverRight < abs( overLeft ) ) {
position.left += myOffset + atOffset + offset;
}
}
else if ( overRight > 0 ) {
newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset + atOffset + offset - offsetLeft;
if ( newOverLeft > 0 || abs( newOverLeft ) < overRight ) {
position.left += myOffset + atOffset + offset;
}
}
},
top: function( position, data ) {
if ( data.at[1] === center ) {
return;
}
var win = $( window ),
over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop(),
myOffset = data.my[ 1 ] === "top" ?
var within = data.within,
withinOffset = within.offset.top + within.scrollTop,
outerHeight = within.height,
offsetTop = within.isWindow ? 0 : within.offset.top,
collisionPosTop = position.top - data.collisionPosition.marginTop,
overTop = collisionPosTop - offsetTop,
overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
top = data.my[ 1 ] === "top",
myOffset = top ?
-data.elemHeight :
data.my[ 1 ] === "bottom" ?
data.elemHeight :
0,
atOffset = data.at[ 1 ] === "top" ?
data.targetHeight :
-data.targetHeight,
offset = -2 * data.offset[ 1 ];
position.top += data.collisionPosition.top < 0 ?
myOffset + atOffset + offset :
over > 0 ?
myOffset + atOffset + offset :
0;
data.at[ 1 ] === "bottom" ?
-data.targetHeight :
0,
offset = -2 * data.offset[ 1 ],
newOverTop,
newOverBottom;
if ( overTop < 0 ) {
newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight - outerHeight - withinOffset;
if ( ( position.top + myOffset + atOffset + offset) > overTop && ( newOverBottom < 0 || newOverBottom < abs( overTop ) ) ) {
position.top += myOffset + atOffset + offset;
}
}
else if ( overBottom > 0 ) {
newOverTop = position.top - data.collisionPosition.marginTop + myOffset + atOffset + offset - offsetTop;
if ( ( position.top + myOffset + atOffset + offset) > overBottom && ( newOverTop > 0 || abs( newOverTop ) < overBottom ) ) {
position.top += myOffset + atOffset + offset;
}
}
}
},
flipfit: {
left: function() {
$.ui.position.flip.left.apply( this, arguments );
$.ui.position.fit.left.apply( this, arguments );
},
top: function() {
$.ui.position.flip.top.apply( this, arguments );
$.ui.position.fit.top.apply( this, arguments );
}
}
};
// offset setter from jQuery 1.4
if ( !$.offset.setOffset ) {
$.offset.setOffset = function( elem, options ) {
// set position first, in-case top/left are set even on static elem
if ( /static/.test( $.curCSS( elem, "position" ) ) ) {
elem.style.position = "relative";
}
var curElem = $( elem ),
curOffset = curElem.offset(),
curTop = parseInt( $.curCSS( elem, "top", true ), 10 ) || 0,
curLeft = parseInt( $.curCSS( elem, "left", true ), 10) || 0,
props = {
top: (options.top - curOffset.top) + curTop,
left: (options.left - curOffset.left) + curLeft
};
if ( 'using' in options ) {
options.using.call( elem, props );
} else {
curElem.css( props );
}
};
// fraction support test
(function () {
var testElement, testElementParent, testElementStyle, offsetLeft, i,
body = document.getElementsByTagName( "body" )[ 0 ],
div = document.createElement( "div" );
$.fn.offset = function( options ) {
var elem = this[ 0 ];
if ( !elem || !elem.ownerDocument ) { return null; }
if ( options ) {
return this.each(function() {
$.offset.setOffset( this, options );
});
}
return _offset.call( this );
//Create a "fake body" for testing based on method used in jQuery.support
testElement = document.createElement( body ? "div" : "body" );
testElementStyle = {
visibility: "hidden",
width: 0,
height: 0,
border: 0,
margin: 0,
background: "none"
};
if ( body ) {
$.extend( testElementStyle, {
position: "absolute",
left: "-1000px",
top: "-1000px"
});
}
for ( i in testElementStyle ) {
testElement.style[ i ] = testElementStyle[ i ];
}
testElement.appendChild( div );
testElementParent = body || document.documentElement;
testElementParent.insertBefore( testElement, testElementParent.firstChild );
div.style.cssText = "position: absolute; left: 10.7432222px;";
offsetLeft = $( div ).offset().left;
$.support.offsetFractions = offsetLeft > 10 && offsetLeft < 11;
testElement.innerHTML = "";
testElementParent.removeChild( testElement );
})();
// DEPRECATED
if ( $.uiBackCompat !== false ) {
// offset option
(function( $ ) {
var _position = $.fn.position;
$.fn.position = function( options ) {
if ( !options || !options.offset ) {
return _position.call( this, options );
}
var offset = options.offset.split( " " ),
at = options.at.split( " " );
if ( offset.length === 1 ) {
offset[ 1 ] = offset[ 0 ];
}
if ( /^\d/.test( offset[ 0 ] ) ) {
offset[ 0 ] = "+" + offset[ 0 ];
}
if ( /^\d/.test( offset[ 1 ] ) ) {
offset[ 1 ] = "+" + offset[ 1 ];
}
if ( at.length === 1 ) {
if ( /left|center|right/.test( at[ 0 ] ) ) {
at[ 1 ] = "center";
} else {
at[ 1 ] = at[ 0 ];
at[ 0 ] = "center";
}
}
return _position.call( this, $.extend( options, {
at: at[ 0 ] + offset[ 0 ] + " " + at[ 1 ] + offset[ 1 ],
offset: undefined
} ) );
};
}( jQuery ) );
}
}( jQuery ));
}( jQuery ) );