mirror of
https://github.com/coderaiser/cloudcmd.git
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136 lines
4.1 KiB
JavaScript
136 lines
4.1 KiB
JavaScript
'use strict';
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/* global Util, DOM, $ */
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const itype = require('itype/legacy');
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if (!window.XMLHttpRequest || !document.head)
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DOM.load.ajax = $.ajax;
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if (!Array.isArray)
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Array.isArray = itype.array.bind();
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/* function polyfill webkit standart function
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* https://gist.github.com/2581101
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*/
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DOM.scrollIntoViewIfNeeded = function(element, centerIfNeeded) {
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let parent,
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topWidth,
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leftWidth,
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parentComputedStyle,
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parentBorderTopWidth,
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parentBorderLeftWidth,
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overTop,
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overBottom,
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overLeft,
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overRight,
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alignWithTop;
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if (window.getComputedStyle) {
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if (arguments.length === 1)
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centerIfNeeded = false;
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parent = element.parentNode;
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parentComputedStyle = window.getComputedStyle(parent, null);
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topWidth = parentComputedStyle.getPropertyValue('border-top-width');
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leftWidth = parentComputedStyle.getPropertyValue('border-left-width');
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parentBorderTopWidth = parseInt(topWidth, 10);
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parentBorderLeftWidth = parseInt(leftWidth, 10);
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overTop = element.offsetTop - parent.offsetTop < parent.scrollTop,
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overBottom =
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(element.offsetTop -
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parent.offsetTop +
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element.clientHeight -
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parentBorderTopWidth) >
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(parent.scrollTop + parent.clientHeight),
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overLeft = element.offsetLeft -
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parent.offsetLeft < parent.scrollLeft,
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overRight =
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(element.offsetLeft -
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parent.offsetLeft +
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element.clientWidth -
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parentBorderLeftWidth) >
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(parent.scrollLeft + parent.clientWidth),
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alignWithTop = overTop && !overBottom;
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if ((overTop || overBottom) && centerIfNeeded)
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parent.scrollTop =
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element.offsetTop -
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parent.offsetTop -
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parent.clientHeight / 2 -
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parentBorderTopWidth +
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element.clientHeight / 2;
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if ((overLeft || overRight) && centerIfNeeded)
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parent.scrollLeft =
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element.offsetLeft -
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parent.offsetLeft -
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parent.clientWidth / 2 -
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parentBorderLeftWidth +
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element.clientWidth / 2;
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if ((overTop || overBottom || overLeft || overRight) && !centerIfNeeded)
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element.scrollIntoView(alignWithTop);
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}
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};
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if (!window.JSON) {
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window.JSON = {};
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window.JSON.parse = $.parseJSON;
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/* https://gist.github.com/754454 */
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window.JSON.stringify = function(obj) {
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let n, v, has,
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ret = '',
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value = '',
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json = [];
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let isStr = itype.string(obj);
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let isObj = itype.object(obj);
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let isArray = itype.array(obj);
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if (!isObj || obj === null) {
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// simple data type
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if (isStr)
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obj = '"' + obj + '"';
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ret += obj;
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} else {
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// recurse array or object
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for (n in obj) {
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v = obj[n];
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has = obj.hasOwnProperty(n);
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if (has) {
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isStr = itype.string(v);
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isObj = itype.object(v);
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if (isStr)
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v = '"' + v + '"';
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else if (v && isObj)
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v = Util.json.stringify(v);
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if (!isArray)
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value = '"' + n + '":';
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json.push(value + v);
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}
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}
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if (isArray)
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ret = '[' + json + ']';
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else
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ret = '{' + json + '}';
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}
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return ret;
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};
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}
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