docs/source/TreeDragZone.html

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   9     <pre class="prettyprint lang-js">/*!
  10  * Ext JS Library 3.2.1
  11  * Copyright(c) 2006-2010 Ext JS, Inc.
  12  * licensing@extjs.com
  13  * http://www.extjs.com/license
  14  */
  15 <div id="cls-Ext.tree.TreeDragZone"></div>/**
  16  * @class Ext.tree.TreeDragZone
  17  * @extends Ext.dd.DragZone
  18  * @constructor
  19  * @param {String/HTMLElement/Element} tree The {@link Ext.tree.TreePanel} for which to enable dragging
  20  * @param {Object} config
  21  */
  22 if(Ext.dd.DragZone){
  23 Ext.tree.TreeDragZone = function(tree, config){
  24     Ext.tree.TreeDragZone.superclass.constructor.call(this, tree.innerCt, config);
  25     <div id="prop-Ext.tree.TreeDragZone-tree"></div>/**
  26     * The TreePanel for this drag zone
  27     * @type Ext.tree.TreePanel
  28     * @property
  29     */
  30     this.tree = tree;
  31 };
  32
  33 Ext.extend(Ext.tree.TreeDragZone, Ext.dd.DragZone, {
  34     <div id="cfg-Ext.tree.TreeDragZone-ddGroup"></div>/**
  35      * @cfg {String} ddGroup
  36      * A named drag drop group to which this object belongs.  If a group is specified, then this object will only
  37      * interact with other drag drop objects in the same group (defaults to 'TreeDD').
  38      */
  39     ddGroup : "TreeDD",
  40
  41     // private
  42     onBeforeDrag : function(data, e){
  43         var n = data.node;
  44         return n && n.draggable && !n.disabled;
  45     },
  46
  47     // private
  48     onInitDrag : function(e){
  49         var data = this.dragData;
  50         this.tree.getSelectionModel().select(data.node);
  51         this.tree.eventModel.disable();
  52         this.proxy.update("");
  53         data.node.ui.appendDDGhost(this.proxy.ghost.dom);
  54         this.tree.fireEvent("startdrag", this.tree, data.node, e);
  55     },
  56
  57     // private
  58     getRepairXY : function(e, data){
  59         return data.node.ui.getDDRepairXY();
  60     },
  61
  62     // private
  63     onEndDrag : function(data, e){
  64         this.tree.eventModel.enable.defer(100, this.tree.eventModel);
  65         this.tree.fireEvent("enddrag", this.tree, data.node, e);
  66     },
  67
  68     // private
  69     onValidDrop : function(dd, e, id){
  70         this.tree.fireEvent("dragdrop", this.tree, this.dragData.node, dd, e);
  71         this.hideProxy();
  72     },
  73
  74     // private
  75     beforeInvalidDrop : function(e, id){
  76         // this scrolls the original position back into view
  77         var sm = this.tree.getSelectionModel();
  78         sm.clearSelections();
  79         sm.select(this.dragData.node);
  80     },
  81
  82     // private
  83     afterRepair : function(){
  84         if (Ext.enableFx && this.tree.hlDrop) {
  85             Ext.Element.fly(this.dragData.ddel).highlight(this.hlColor || "c3daf9");
  86         }
  87         this.dragging = false;
  88     }
  89 });
  90 }</pre>
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