--- /dev/null
+<html>\r
+<head>\r
+ <title>The source code</title>\r
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
+</head>\r
+<body onload="prettyPrint();">\r
+ <pre class="prettyprint lang-js"><div id="cls-Ext.dd.DropTarget"></div>/**\r
+ * @class Ext.dd.DropTarget\r
+ * @extends Ext.dd.DDTarget\r
+ * A simple class that provides the basic implementation needed to make any element a drop target that can have\r
+ * draggable items dropped onto it. The drop has no effect until an implementation of notifyDrop is provided.\r
+ * @constructor\r
+ * @param {Mixed} el The container element\r
+ * @param {Object} config\r
+ */\r
+Ext.dd.DropTarget = function(el, config){\r
+ this.el = Ext.get(el);\r
+ \r
+ Ext.apply(this, config);\r
+ \r
+ if(this.containerScroll){\r
+ Ext.dd.ScrollManager.register(this.el);\r
+ }\r
+ \r
+ Ext.dd.DropTarget.superclass.constructor.call(this, this.el.dom, this.ddGroup || this.group, \r
+ {isTarget: true});\r
+\r
+};\r
+\r
+Ext.extend(Ext.dd.DropTarget, Ext.dd.DDTarget, {\r
+ <div id="cfg-Ext.dd.DropTarget-ddGroup"></div>/**\r
+ * @cfg {String} ddGroup\r
+ * A named drag drop group to which this object belongs. If a group is specified, then this object will only\r
+ * interact with other drag drop objects in the same group (defaults to undefined).\r
+ */\r
+ <div id="cfg-Ext.dd.DropTarget-overClass"></div>/**\r
+ * @cfg {String} overClass\r
+ * The CSS class applied to the drop target element while the drag source is over it (defaults to "").\r
+ */\r
+ <div id="cfg-Ext.dd.DropTarget-dropAllowed"></div>/**\r
+ * @cfg {String} dropAllowed\r
+ * The CSS class returned to the drag source when drop is allowed (defaults to "x-dd-drop-ok").\r
+ */\r
+ dropAllowed : "x-dd-drop-ok",\r
+ <div id="cfg-Ext.dd.DropTarget-dropNotAllowed"></div>/**\r
+ * @cfg {String} dropNotAllowed\r
+ * The CSS class returned to the drag source when drop is not allowed (defaults to "x-dd-drop-nodrop").\r
+ */\r
+ dropNotAllowed : "x-dd-drop-nodrop",\r
+\r
+ // private\r
+ isTarget : true,\r
+\r
+ // private\r
+ isNotifyTarget : true,\r
+\r
+ <div id="method-Ext.dd.DropTarget-notifyEnter"></div>/**\r
+ * The function a {@link Ext.dd.DragSource} calls once to notify this drop target that the source is now over the\r
+ * target. This default implementation adds the CSS class specified by overClass (if any) to the drop element\r
+ * and returns the dropAllowed config value. This method should be overridden if drop validation is required.\r
+ * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target\r
+ * @param {Event} e The event\r
+ * @param {Object} data An object containing arbitrary data supplied by the drag source\r
+ * @return {String} status The CSS class that communicates the drop status back to the source so that the\r
+ * underlying {@link Ext.dd.StatusProxy} can be updated\r
+ */\r
+ notifyEnter : function(dd, e, data){\r
+ if(this.overClass){\r
+ this.el.addClass(this.overClass);\r
+ }\r
+ return this.dropAllowed;\r
+ },\r
+\r
+ <div id="method-Ext.dd.DropTarget-notifyOver"></div>/**\r
+ * The function a {@link Ext.dd.DragSource} calls continuously while it is being dragged over the target.\r
+ * This method will be called on every mouse movement while the drag source is over the drop target.\r
+ * This default implementation simply returns the dropAllowed config value.\r
+ * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target\r
+ * @param {Event} e The event\r
+ * @param {Object} data An object containing arbitrary data supplied by the drag source\r
+ * @return {String} status The CSS class that communicates the drop status back to the source so that the\r
+ * underlying {@link Ext.dd.StatusProxy} can be updated\r
+ */\r
+ notifyOver : function(dd, e, data){\r
+ return this.dropAllowed;\r
+ },\r
+\r
+ <div id="method-Ext.dd.DropTarget-notifyOut"></div>/**\r
+ * The function a {@link Ext.dd.DragSource} calls once to notify this drop target that the source has been dragged\r
+ * out of the target without dropping. This default implementation simply removes the CSS class specified by\r
+ * overClass (if any) from the drop element.\r
+ * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target\r
+ * @param {Event} e The event\r
+ * @param {Object} data An object containing arbitrary data supplied by the drag source\r
+ */\r
+ notifyOut : function(dd, e, data){\r
+ if(this.overClass){\r
+ this.el.removeClass(this.overClass);\r
+ }\r
+ },\r
+\r
+ <div id="method-Ext.dd.DropTarget-notifyDrop"></div>/**\r
+ * The function a {@link Ext.dd.DragSource} calls once to notify this drop target that the dragged item has\r
+ * been dropped on it. This method has no default implementation and returns false, so you must provide an\r
+ * implementation that does something to process the drop event and returns true so that the drag source's\r
+ * repair action does not run.\r
+ * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target\r
+ * @param {Event} e The event\r
+ * @param {Object} data An object containing arbitrary data supplied by the drag source\r
+ * @return {Boolean} True if the drop was valid, else false\r
+ */\r
+ notifyDrop : function(dd, e, data){\r
+ return false;\r
+ }\r
+});</pre> \r
+</body>\r
+</html>
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