https://chessrussian.ru/bitrix/js/main/core/core_dd.js?17402664483613

1(function(window){
2BX.DD = function(params)
3{
4	return new BX.DD.dragdrop(params);
5}
6
7BX.DD.allowSelection = function()
8{
9	document.onmousedown = null;
10	var b = document.body;
11	b.ondrag = null;
12	b.onselectstart = null;
13	b.style.MozUserSelect = '';
14	
15	// if (jsDD.current_node)
16	// {
17		// jsDD.current_node.ondrag = null;
18		// jsDD.current_node.onselectstart = null;
19		// jsDD.current_node.style.MozUserSelect = '';
20	// }
21}
22	
23BX.DD.denySelection = function()
24{
25	document.onmousedown = BX.False;
26	var b = document.body;
27	b.ondrag = BX.False;
28	b.onselectstart = BX.False;
29	b.style.MozUserSelect = 'none';
30	// if (jsDD.current_node) 
31	// {
32		// jsDD.current_node.ondrag = jsUtils.False;
33		// jsDD.current_node.onselectstart = jsUtils.False;
34		// jsDD.current_node.style.MozUserSelect = 'none';
35	// }
36}
37
38BX.DD.dragdrop = function(params)
39{
40
41
42}
43
44/*
45 * BX.DD.dropFiles - for html5 drag and drop files
46 *
47 * example:
48 *
49 * BX(function() {
50 *	  var dropBoxNode = BX('WebDAV23');
51 *    var dropbox = new BX.DD.dropFiles(dropBoxNode);
52 *    if (dropbox && dropbox.supported())
53 *    {
54 *        BX.addCustomEvent(dropbox, 'dropFiles', function(files) { WDUploadDroppedFiles(files);});
55 *        BX.addCustomEvent(dropbox, 'dragEnter', function() {BX.addClass( dropBoxNode, 'droptarget');});
56 *        BX.addCustomEvent(dropbox, 'dragLeave', function() {BX.removeClass( dropBoxNode, 'droptarget');});
57 *    }
58 * });
59 *
60 * to save files use BX.ajax.FormData
61 */
62BX.DD.dropFiles = function(div)
63{
64	if (BX.type.isElementNode(div)
65		&& this.supported())
66	{
67		div.setAttribute('dropzone', 'copy f:*/*');
68		this.DIV = div;
69		this._timer = null;
70		this._initEvents();
71
72		this._cancelLeave = function()
73		{
74			if (this._timer != null)
75			{
76				clearTimeout(this._timer);
77				this._timer = null;
78			}
79		}
80		this._prepareLeave = function()
81		{
82			this._cancelLeave();
83			this._timer = setTimeout( BX.delegate(function() {
84				BX.onCustomEvent(this, 'dragLeave')
85			}, this), 100);
86		}
87
88		return this;
89	}
90	return false;
91}
92
93BX.DD.dropFiles.prototype._initEvents = function()
94{
95	BX.bind(this.DIV, 'dragover', BX.proxy(this._dragOver, this));
96	BX.bind(this.DIV, 'dragenter', BX.proxy(this._dragEnter, this));
97	BX.bind(this.DIV, 'dragleave', BX.proxy(this._dragLeave, this));
98	BX.bind(this.DIV, 'dragexit', BX.proxy(this._dragExit, this));
99	BX.bind(this.DIV, 'drop', BX.proxy(this._drop, this));
100}
101
102BX.DD.dropFiles.prototype._dragEnter = function(e)
103{
104	BX.PreventDefault(e);
105	this._cancelLeave();
106	BX.onCustomEvent(this, 'dragEnter', [e]);
107	return true;
108}
109
110BX.DD.dropFiles.prototype._dragExit = function(e)
111{
112	BX.PreventDefault(e);
113	this._prepareLeave();
114	return false;
115}
116
117
118BX.DD.dropFiles.prototype._dragLeave = function(e)
119{
120	BX.PreventDefault(e);
121	this._prepareLeave();
122	return false;
123}
124
125BX.DD.dropFiles.prototype._dragOver = function(e)
126{
127	BX.PreventDefault(e);
128	this._cancelLeave();
129	return true;
130}
131
132BX.DD.dropFiles.prototype._drop = function(e)
133{
134	BX.PreventDefault(e);
135	var dt = e.dataTransfer;
136	var files = dt.files;
137	BX.onCustomEvent(this, 'dropFiles', [files, e]);
138	BX.onCustomEvent(this, 'dragLeave')
139	return false;
140}
141
142BX.DD.dropFiles.prototype.isEventSupported = function(event)
143{
144	var div = BX.create('DIV');
145	var eventName = 'on'+event;
146	var result = (eventName in div);
147	
148	if (!result && div.setAttribute && div.removeAttribute)
149	{
150		div.setAttribute(eventName, '');
151		result = (typeof div[eventName] === 'function');
152	}
153
154	div = null;
155	return result;
156}
157
158BX.DD.dropFiles.prototype.supported = function()
159{
160	return ( (!!window.FileReader) && this.isEventSupported('dragstart') && this.isEventSupported('drop') );
161}
162
163})(window)
164