/*
* Smart GWT (GWT for SmartClient)
* Copyright 2008 and beyond, Isomorphic Software, Inc.
*
* Smart GWT 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. Smart GWT 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 HasFolderOpenedHandlers extends HasHandlers {
/**
* This method is called when a folder is opened either via the user manipulating the expand/collapse control in the UI or
* via {@link com.smartgwt.client.widgets.tree.TreeGrid#openFolder}. You can return <code>false</code> to cancel the open.
*
* @param handler the folderOpened handler
* @return {@link HandlerRegistration} used to remove this handler
*/
HandlerRegistration addFolderOpenedHandler(FolderOpenedHandler handler);
}
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