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/*
* Ext JS Library 2.0.2
* Copyright(c) 2006-2008, Ext JS, LLC.
* licensing@extjs.com
*
* http://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.getTreeEl(), 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);
}
});
}