http://dev.sencha.com/deploy/dev/doc....dd.DropTarget
notifyDrop( Ext.dd.DragSource source, Event e, Object data )
: Boolean
The function a Ext.dd.DragSource calls once to notify this drop target that the dragged item has been dropped on it. This method has no default implementation and returns false, so you must provide an implementation that does something to process the drop event and returns true so that the drag source's repair action does not run.
В указанном Вами примере смотрите участок кода
/****
* Setup Drop Targets
***/
// This will make sure we only drop to the view scroller element
var firstGridDropTargetEl = firstGrid.getView().scroller.dom;
var firstGridDropTarget = new Ext.dd.DropTarget(firstGridDropTargetEl, {
ddGroup : 'firstGridDDGroup',
notifyDrop : function(ddSource, e, data){
var records = ddSource.dragData.selections;
Ext.each(records, ddSource.grid.store.remove, ddSource.grid.store);
firstGrid.store.add(records);
firstGrid.store.sort('name', 'ASC');
return true
}
});
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