I become crazy, still does not see why event is still propagated.
Is it a known bug or am i missing something ?
I tried

Code:
onContainerDrop:function ( source, e, data ){
            e.stopEvent();
            e.stopPropagation();
            e.preventDefault();
            e.cancelBubble = true;
            this.onNodeDrop(e.target, source, e, data);
        },
but still have no effect.