+++ /dev/null
-/*\r
- * Ext JS Library 2.2.1\r
- * Copyright(c) 2006-2009, Ext JS, LLC.\r
- * licensing@extjs.com\r
- * \r
- * http://extjs.com/license\r
- */\r
-\r
-/**\r
- * @class Ext.dd.DropZone\r
- * @extends Ext.dd.DropTarget\r
- * This class provides a container DD instance that proxies for multiple child node targets.<br />\r
- * By default, this class requires that child nodes accepting drop are registered with {@link Ext.dd.Registry}.\r
- * @constructor\r
- * @param {Mixed} el The container element\r
- * @param {Object} config\r
- */\r
-Ext.dd.DropZone = function(el, config){\r
- Ext.dd.DropZone.superclass.constructor.call(this, el, config);\r
-};\r
-\r
-Ext.extend(Ext.dd.DropZone, Ext.dd.DropTarget, {\r
- /**\r
- * Returns a custom data object associated with the DOM node that is the target of the event. By default\r
- * this looks up the event target in the {@link Ext.dd.Registry}, although you can override this method to\r
- * provide your own custom lookup.\r
- * @param {Event} e The event\r
- * @return {Object} data The custom data\r
- */\r
- getTargetFromEvent : function(e){\r
- return Ext.dd.Registry.getTargetFromEvent(e);\r
- },\r
-\r
- /**\r
- * Called internally when the DropZone determines that a {@link Ext.dd.DragSource} has entered a drop node\r
- * that it has registered. This method has no default implementation and should be overridden to provide\r
- * node-specific processing if necessary.\r
- * @param {Object} nodeData The custom data associated with the drop node (this is the same value returned from \r
- * {@link #getTargetFromEvent} for this node)\r
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop zone\r
- * @param {Event} e The event\r
- * @param {Object} data An object containing arbitrary data supplied by the drag source\r
- */\r
- onNodeEnter : function(n, dd, e, data){\r
- \r
- },\r
-\r
- /**\r
- * Called internally while the DropZone determines that a {@link Ext.dd.DragSource} is over a drop node\r
- * that it has registered. The default implementation returns this.dropNotAllowed, so it should be\r
- * overridden to provide the proper feedback.\r
- * @param {Object} nodeData The custom data associated with the drop node (this is the same value returned from\r
- * {@link #getTargetFromEvent} for this node)\r
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop zone\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
- onNodeOver : function(n, dd, e, data){\r
- return this.dropAllowed;\r
- },\r
-\r
- /**\r
- * Called internally when the DropZone determines that a {@link Ext.dd.DragSource} has been dragged out of\r
- * the drop node without dropping. This method has no default implementation and should be overridden to provide\r
- * node-specific processing if necessary.\r
- * @param {Object} nodeData The custom data associated with the drop node (this is the same value returned from\r
- * {@link #getTargetFromEvent} for this node)\r
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop zone\r
- * @param {Event} e The event\r
- * @param {Object} data An object containing arbitrary data supplied by the drag source\r
- */\r
- onNodeOut : function(n, dd, e, data){\r
- \r
- },\r
-\r
- /**\r
- * Called internally when the DropZone determines that a {@link Ext.dd.DragSource} has been dropped onto\r
- * the drop node. The default implementation returns false, so it should be overridden to provide the\r
- * appropriate processing of the drop event and return true so that the drag source's repair action does not run.\r
- * @param {Object} nodeData The custom data associated with the drop node (this is the same value returned from\r
- * {@link #getTargetFromEvent} for this node)\r
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop zone\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
- onNodeDrop : function(n, dd, e, data){\r
- return false;\r
- },\r
-\r
- /**\r
- * Called internally while the DropZone determines that a {@link Ext.dd.DragSource} is being dragged over it,\r
- * but not over any of its registered drop nodes. The default implementation returns this.dropNotAllowed, so\r
- * it should be overridden to provide the proper feedback if necessary.\r
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop zone\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
- onContainerOver : function(dd, e, data){\r
- return this.dropNotAllowed;\r
- },\r
-\r
- /**\r
- * Called internally when the DropZone determines that a {@link Ext.dd.DragSource} has been dropped on it,\r
- * but not on any of its registered drop nodes. The default implementation returns false, so it should be\r
- * overridden to provide the appropriate processing of the drop event if you need the drop zone itself to\r
- * be able to accept drops. It should return true when valid so that the drag source's repair action does not run.\r
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop zone\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
- onContainerDrop : function(dd, e, data){\r
- return false;\r
- },\r
-\r
- /**\r
- * The function a {@link Ext.dd.DragSource} calls once to notify this drop zone that the source is now over\r
- * the zone. The default implementation returns this.dropNotAllowed and expects that only registered drop\r
- * nodes can process drag drop operations, so if you need the drop zone itself to be able to process drops\r
- * you should override this method and provide a custom implementation.\r
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop zone\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
- return this.dropNotAllowed;\r
- },\r
-\r
- /**\r
- * The function a {@link Ext.dd.DragSource} calls continuously while it is being dragged over the drop zone.\r
- * This method will be called on every mouse movement while the drag source is over the drop zone.\r
- * It will call {@link #onNodeOver} while the drag source is over a registered node, and will also automatically\r
- * delegate to the appropriate node-specific methods as necessary when the drag source enters and exits\r
- * registered nodes ({@link #onNodeEnter}, {@link #onNodeOut}). If the drag source is not currently over a\r
- * registered node, it will call {@link #onContainerOver}.\r
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop zone\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
- var n = this.getTargetFromEvent(e);\r
- if(!n){ // not over valid drop target\r
- if(this.lastOverNode){\r
- this.onNodeOut(this.lastOverNode, dd, e, data);\r
- this.lastOverNode = null;\r
- }\r
- return this.onContainerOver(dd, e, data);\r
- }\r
- if(this.lastOverNode != n){\r
- if(this.lastOverNode){\r
- this.onNodeOut(this.lastOverNode, dd, e, data);\r
- }\r
- this.onNodeEnter(n, dd, e, data);\r
- this.lastOverNode = n;\r
- }\r
- return this.onNodeOver(n, dd, e, data);\r
- },\r
-\r
- /**\r
- * The function a {@link Ext.dd.DragSource} calls once to notify this drop zone that the source has been dragged\r
- * out of the zone without dropping. If the drag source is currently over a registered node, the notification\r
- * will be delegated to {@link #onNodeOut} for node-specific handling, otherwise it will be ignored.\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 zone\r
- */\r
- notifyOut : function(dd, e, data){\r
- if(this.lastOverNode){\r
- this.onNodeOut(this.lastOverNode, dd, e, data);\r
- this.lastOverNode = null;\r
- }\r
- },\r
-\r
- /**\r
- * The function a {@link Ext.dd.DragSource} calls once to notify this drop zone that the dragged item has\r
- * been dropped on it. The drag zone will look up the target node based on the event passed in, and if there\r
- * is a node registered for that event, it will delegate to {@link #onNodeDrop} for node-specific handling,\r
- * otherwise it will call {@link #onContainerDrop}.\r
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop zone\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
- if(this.lastOverNode){\r
- this.onNodeOut(this.lastOverNode, dd, e, data);\r
- this.lastOverNode = null;\r
- }\r
- var n = this.getTargetFromEvent(e);\r
- return n ?\r
- this.onNodeDrop(n, dd, e, data) :\r
- this.onContainerDrop(dd, e, data);\r
- },\r
-\r
- // private\r
- triggerCacheRefresh : function(){\r
- Ext.dd.DDM.refreshCache(this.groups);\r
- } \r
-});
\ No newline at end of file
git.ithinksw.org / extjs.git / blobdiff