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// kill drag drop dependency
if(YAHOO.util.DragDrop){
YAHOO.ext.dd.DropZone = function(el, config){
YAHOO.ext.dd.DropZone.superclass.constructor.call(this, el, config);
};
YAHOO.extendX(YAHOO.ext.dd.DropZone, YAHOO.ext.dd.DropTarget, {
getTargetFromEvent : function(e){
return YAHOO.ext.dd.Registry.getTargetFromEvent(e);
},
onNodeEnter : function(n, dd, e, data){
},
onNodeOver : function(n, dd, e, data){
return this.dropAllowed;
},
onNodeOut : function(n, dd, e, data){
},
onNodeDrop : function(n, dd, e, data){
return false;
},
onContainerOver : function(n, dd, e, data){
return this.dropNotAllowed;
},
onContainerDrop : function(n, dd, e, data){
return false;
},
notifyEnter : function(dd, e, data){
return this.dropNotAllowed;
},
notifyOver : function(dd, e, data){
var n = this.getTargetFromEvent(e);
if(!n){ // not over valid drop target
if(this.lastOverNode){
this.onNodeOut(this.lastOverNode, dd, e, data);
this.lastOverNode = null;
}
return this.onContainerOver(dd, e, data);
}
if(this.lastOverNode != n){
if(this.lastOverNode){
this.onNodeOut(this.lastOverNode, dd, e, data);
}
this.onNodeEnter(n, dd, e, data);
this.lastOverNode = n;
}
return this.onNodeOver(n, dd, e, data);
},
notifyOut : function(dd, e, data){
if(this.lastOverNode){
this.onNodeOut(this.lastOverNode, dd, e, data);
this.lastOverNode = null;
}
},
notifyDrop : function(dd, e, data){
if(this.lastOverNode){
this.onNodeOut(this.lastOverNode, dd, e, data);
this.lastOverNode = null;
}
var n = this.getTargetFromEvent(e);
return n ?
this.onNodeDrop(n, dd, e, data) :
this.onContainerDrop(n, dd, e, data);
},
triggerCacheRefresh : function(){
YAHOO.util.DDM.refreshCache(this.groups);
}
});
}
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