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