Ext.dd.DropZone=function(b,a){Ext.dd.DropZone.superclass.constructor.call(this,b,a)};Ext.extend(Ext.dd.DropZone,Ext.dd.DropTarget,{getTargetFromEvent:function(a){return Ext.dd.Registry.getTargetFromEvent(a)},onNodeEnter:function(d,a,c,b){},onNodeOver:function(d,a,c,b){return this.dropAllowed},onNodeOut:function(d,a,c,b){},onNodeDrop:function(d,a,c,b){return false},onContainerOver:function(a,c,b){return this.dropNotAllowed},onContainerDrop:function(a,c,b){return false},notifyEnter:function(a,c,b){return this.dropNotAllowed},notifyOver:function(a,c,b){var d=this.getTargetFromEvent(c);if(!d){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,a,c,b);this.lastOverNode=null}return this.onContainerOver(a,c,b)}if(this.lastOverNode!=d){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,a,c,b)}this.onNodeEnter(d,a,c,b);this.lastOverNode=d}return this.onNodeOver(d,a,c,b)},notifyOut:function(a,c,b){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,a,c,b);this.lastOverNode=null}},notifyDrop:function(a,c,b){if(this.lastOverNode){this.onNodeOut(this.lastOverNode,a,c,b);this.lastOverNode=null}var d=this.getTargetFromEvent(c);return d?this.onNodeDrop(d,a,c,b):this.onContainerDrop(a,c,b)},triggerCacheRefresh:function(){Ext.dd.DDM.refreshCache(this.groups)}});