X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/src/widgets/tree/TreeDragZone.js

diff --git a/src/widgets/tree/TreeDragZone.js b/src/widgets/tree/TreeDragZone.js
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+++ b/src/widgets/tree/TreeDragZone.js
@@ -0,0 +1,82 @@
+/*!
+ * Ext JS Library 3.0.0
+ * Copyright(c) 2006-2009 Ext JS, LLC
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+/**
+ * @class Ext.tree.TreeDragZone
+ * @extends Ext.dd.DragZone
+ * @constructor
+ * @param {String/HTMLElement/Element} tree The {@link Ext.tree.TreePanel} for which to enable dragging
+ * @param {Object} config
+ */
+if(Ext.dd.DragZone){
+Ext.tree.TreeDragZone = function(tree, config){
+    Ext.tree.TreeDragZone.superclass.constructor.call(this, tree.innerCt, config);
+    /**
+    * The TreePanel for this drag zone
+    * @type Ext.tree.TreePanel
+    * @property
+    */
+    this.tree = tree;
+};
+
+Ext.extend(Ext.tree.TreeDragZone, Ext.dd.DragZone, {
+    /**
+     * @cfg {String} ddGroup
+     * A named drag drop group to which this object belongs.  If a group is specified, then this object will only
+     * interact with other drag drop objects in the same group (defaults to 'TreeDD').
+     */
+    ddGroup : "TreeDD",
+
+    // private
+    onBeforeDrag : function(data, e){
+        var n = data.node;
+        return n && n.draggable && !n.disabled;
+    },
+
+    // private
+    onInitDrag : function(e){
+        var data = this.dragData;
+        this.tree.getSelectionModel().select(data.node);
+        this.tree.eventModel.disable();
+        this.proxy.update("");
+        data.node.ui.appendDDGhost(this.proxy.ghost.dom);
+        this.tree.fireEvent("startdrag", this.tree, data.node, e);
+    },
+
+    // private
+    getRepairXY : function(e, data){
+        return data.node.ui.getDDRepairXY();
+    },
+
+    // private
+    onEndDrag : function(data, e){
+        this.tree.eventModel.enable.defer(100, this.tree.eventModel);
+        this.tree.fireEvent("enddrag", this.tree, data.node, e);
+    },
+
+    // private
+    onValidDrop : function(dd, e, id){
+        this.tree.fireEvent("dragdrop", this.tree, this.dragData.node, dd, e);
+        this.hideProxy();
+    },
+
+    // private
+    beforeInvalidDrop : function(e, id){
+        // this scrolls the original position back into view
+        var sm = this.tree.getSelectionModel();
+        sm.clearSelections();
+        sm.select(this.dragData.node);
+    },
+    
+    // private
+    afterRepair : function(){
+        if (Ext.enableFx && this.tree.hlDrop) {
+            Ext.Element.fly(this.dragData.ddel).highlight(this.hlColor || "c3daf9");
+        }
+        this.dragging = false;
+    }
+});
+}
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