+++ /dev/null
-<html><head><title>/home/alan/gitlive/roojs1/Roo/dd/DropZone.js</title><link rel="stylesheet" type="text/css" href="../../css/highlight-js.css"/></head><body class="highlightpage"><code class="jsdoc-pretty"><span class="jsdoc-comment">/*
- * Based on:
- * Ext JS Library 1.1.1
- * Copyright(c) 2006-2007, Ext JS, LLC.
- *
- * Originally Released Under LGPL - original licence link has changed is not relivant.
- *
- * Fork - LGPL
- * <script type="text/javascript">
- */
-/**
- * @class Roo.dd.DropZone
- * @extends Roo.dd.DropTarget
- * This class provides a container DD instance that proxies for multiple child node targets.<br />
- * By default, this class requires that child nodes accepting drop are registered with {@link Roo.dd.Registry}.
- * @constructor
- * @param {String/HTMLElement/Element} el The container element
- * @param {Object} config
- */
-</span><span class="jsdoc-var">Roo.dd.DropZone </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">el</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">config</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-var">Roo.dd.DropZone.superclass.constructor.call</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">el</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">config</span><span class="jsdoc-syntax">);
-};
-
-</span><span class="jsdoc-var">Roo.extend</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Roo.dd.DropZone</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">Roo.dd.DropTarget</span><span class="jsdoc-syntax">, {
- </span><span class="jsdoc-comment">/**
- * Returns a custom data object associated with the DOM node that is the target of the event. By default
- * this looks up the event target in the {@link Roo.dd.Registry}, although you can override this method to
- * provide your own custom lookup.
- * @param {Event} e The event
- * @return {Object} data The custom data
- */
- </span><span class="jsdoc-var">getTargetFromEvent </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">Roo.dd.Registry.getTargetFromEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">);
- },
-
- </span><span class="jsdoc-comment">/**
- * Called internally when the DropZone determines that a {@link Roo.dd.DragSource} has entered a drop node
- * that it has registered. This method has no default implementation and should be overridden to provide
- * node-specific processing if necessary.
- * @param {Object} nodeData The custom data associated with the drop node (this is the same value returned from
- * {@link #getTargetFromEvent} for this node)
- * @param {Roo.dd.DragSource} source The drag source that was dragged over this drop zone
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- */
- </span><span class="jsdoc-var">onNodeEnter </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">){
-
- },
-
- </span><span class="jsdoc-comment">/**
- * Called internally while the DropZone determines that a {@link Roo.dd.DragSource} is over a drop node
- * that it has registered. The default implementation returns this.dropNotAllowed, so it should be
- * overridden to provide the proper feedback.
- * @param {Object} nodeData The custom data associated with the drop node (this is the same value returned from
- * {@link #getTargetFromEvent} for this node)
- * @param {Roo.dd.DragSource} source The drag source that was dragged over this drop zone
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- * @return {String} status The CSS class that communicates the drop status back to the source so that the
- * underlying {@link Roo.dd.StatusProxy} can be updated
- */
- </span><span class="jsdoc-var">onNodeOver </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this.dropAllowed</span><span class="jsdoc-syntax">;
- },
-
- </span><span class="jsdoc-comment">/**
- * Called internally when the DropZone determines that a {@link Roo.dd.DragSource} has been dragged out of
- * the drop node without dropping. This method has no default implementation and should be overridden to provide
- * node-specific processing if necessary.
- * @param {Object} nodeData The custom data associated with the drop node (this is the same value returned from
- * {@link #getTargetFromEvent} for this node)
- * @param {Roo.dd.DragSource} source The drag source that was dragged over this drop zone
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- */
- </span><span class="jsdoc-var">onNodeOut </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">){
-
- },
-
- </span><span class="jsdoc-comment">/**
- * Called internally when the DropZone determines that a {@link Roo.dd.DragSource} has been dropped onto
- * the drop node. The default implementation returns false, so it should be overridden to provide the
- * appropriate processing of the drop event and return true so that the drag source's repair action does not run.
- * @param {Object} nodeData The custom data associated with the drop node (this is the same value returned from
- * {@link #getTargetFromEvent} for this node)
- * @param {Roo.dd.DragSource} source The drag source that was dragged over this drop zone
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- * @return {Boolean} True if the drop was valid, else false
- */
- </span><span class="jsdoc-var">onNodeDrop </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-keyword">return false</span><span class="jsdoc-syntax">;
- },
-
- </span><span class="jsdoc-comment">/**
- * Called internally while the DropZone determines that a {@link Roo.dd.DragSource} is being dragged over it,
- * but not over any of its registered drop nodes. The default implementation returns this.dropNotAllowed, so
- * it should be overridden to provide the proper feedback if necessary.
- * @param {Roo.dd.DragSource} source The drag source that was dragged over this drop zone
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- * @return {String} status The CSS class that communicates the drop status back to the source so that the
- * underlying {@link Roo.dd.StatusProxy} can be updated
- */
- </span><span class="jsdoc-var">onContainerOver </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this.dropNotAllowed</span><span class="jsdoc-syntax">;
- },
-
- </span><span class="jsdoc-comment">/**
- * Called internally when the DropZone determines that a {@link Roo.dd.DragSource} has been dropped on it,
- * but not on any of its registered drop nodes. The default implementation returns false, so it should be
- * overridden to provide the appropriate processing of the drop event if you need the drop zone itself to
- * be able to accept drops. It should return true when valid so that the drag source's repair action does not run.
- * @param {Roo.dd.DragSource} source The drag source that was dragged over this drop zone
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- * @return {Boolean} True if the drop was valid, else false
- */
- </span><span class="jsdoc-var">onContainerDrop </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-keyword">return false</span><span class="jsdoc-syntax">;
- },
-
- </span><span class="jsdoc-comment">/**
- * The function a {@link Roo.dd.DragSource} calls once to notify this drop zone that the source is now over
- * the zone. The default implementation returns this.dropNotAllowed and expects that only registered drop
- * nodes can process drag drop operations, so if you need the drop zone itself to be able to process drops
- * you should override this method and provide a custom implementation.
- * @param {Roo.dd.DragSource} source The drag source that was dragged over this drop zone
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- * @return {String} status The CSS class that communicates the drop status back to the source so that the
- * underlying {@link Roo.dd.StatusProxy} can be updated
- */
- </span><span class="jsdoc-var">notifyEnter </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this.dropNotAllowed</span><span class="jsdoc-syntax">;
- },
-
- </span><span class="jsdoc-comment">/**
- * The function a {@link Roo.dd.DragSource} calls continuously while it is being dragged over the drop zone.
- * This method will be called on every mouse movement while the drag source is over the drop zone.
- * It will call {@link #onNodeOver} while the drag source is over a registered node, and will also automatically
- * delegate to the appropriate node-specific methods as necessary when the drag source enters and exits
- * registered nodes ({@link #onNodeEnter}, {@link #onNodeOut}). If the drag source is not currently over a
- * registered node, it will call {@link #onContainerOver}.
- * @param {Roo.dd.DragSource} source The drag source that was dragged over this drop zone
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- * @return {String} status The CSS class that communicates the drop status back to the source so that the
- * underlying {@link Roo.dd.StatusProxy} can be updated
- */
- </span><span class="jsdoc-var">notifyOver </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">n </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.getTargetFromEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">);
- </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">){ </span><span class="jsdoc-comment">// not over valid drop target
- </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.lastOverNode</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-var">this.onNodeOut</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.lastOverNode</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
- </span><span class="jsdoc-var">this.lastOverNode </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">;
- }
- </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this.onContainerOver</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
- }
- </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.lastOverNode </span><span class="jsdoc-syntax">!= </span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.lastOverNode</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-var">this.onNodeOut</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.lastOverNode</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
- }
- </span><span class="jsdoc-var">this.onNodeEnter</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
- </span><span class="jsdoc-var">this.lastOverNode </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">;
- }
- </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this.onNodeOver</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
- },
-
- </span><span class="jsdoc-comment">/**
- * The function a {@link Roo.dd.DragSource} calls once to notify this drop zone that the source has been dragged
- * out of the zone without dropping. If the drag source is currently over a registered node, the notification
- * will be delegated to {@link #onNodeOut} for node-specific handling, otherwise it will be ignored.
- * @param {Roo.dd.DragSource} source The drag source that was dragged over this drop target
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag zone
- */
- </span><span class="jsdoc-var">notifyOut </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.lastOverNode</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-var">this.onNodeOut</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.lastOverNode</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
- </span><span class="jsdoc-var">this.lastOverNode </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">;
- }
- },
-
- </span><span class="jsdoc-comment">/**
- * The function a {@link Roo.dd.DragSource} calls once to notify this drop zone that the dragged item has
- * been dropped on it. The drag zone will look up the target node based on the event passed in, and if there
- * is a node registered for that event, it will delegate to {@link #onNodeDrop} for node-specific handling,
- * otherwise it will call {@link #onContainerDrop}.
- * @param {Roo.dd.DragSource} source The drag source that was dragged over this drop zone
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- * @return {Boolean} True if the drop was valid, else false
- */
- </span><span class="jsdoc-var">notifyDrop </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.lastOverNode</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-var">this.onNodeOut</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.lastOverNode</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
- </span><span class="jsdoc-var">this.lastOverNode </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">;
- }
- </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">n </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.getTargetFromEvent</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">);
- </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">n </span><span class="jsdoc-syntax">?
- </span><span class="jsdoc-var">this.onNodeDrop</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">n</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">) :
- </span><span class="jsdoc-var">this.onContainerDrop</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">dd</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">data</span><span class="jsdoc-syntax">);
- },
-
- </span><span class="jsdoc-comment">// private
- </span><span class="jsdoc-var">triggerCacheRefresh </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(){
- </span><span class="jsdoc-var">Roo.dd.DDM.refreshCache</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.groups</span><span class="jsdoc-syntax">);
- }
-});</span></code></body></html>
\ No newline at end of file
projects / roojs1 / blobdiff