/*
* SmartGWT (GWT for SmartClient)
* Copyright 2008 and beyond, Isomorphic Software, Inc.
*
* SmartGWT is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3
* as published by the Free Software Foundation. SmartGWT is also
* available under typical commercial license terms - see
* http://smartclient.com/license
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package com.smartgwt.client.widgets.tree.events;
import com.smartgwt.client.event.*;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.event.shared.HasHandlers;
public interface HasFolderDropHandlers extends HasHandlers {
/**
* Notification method fired when treeNode(s) are dropped into a folder of this TreeGrid.
This method fires before the standard {@link com.smartgwt.client.widgets.tree.TreeGrid#folderDrop} processing occurs
and returning false will suppress that default behavior.
*
* @param handler the onFolderDrop handler
* @return {@link HandlerRegistration} used to remove this handler
*/
HandlerRegistration addFolderDropHandler(FolderDropHandler handler);
}