/*
* 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.grid.events;
import com.smartgwt.client.event.*;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.event.shared.HasHandlers;
public interface HasDrawAreaChangedHandlers extends HasHandlers {
/**
* Notification method that fires when the drawArea changes due to scrolling. Receives the previous drawArea
* co-ordinates as parameters. Call {@link com.smartgwt.client.widgets.grid.ListGrid#getDrawArea ListGrid.getDrawArea} to
* get the new drawArea co-ordinates. <P> Note that if this grid is showing any {@link
* com.smartgwt.client.widgets.grid.ListGridField#getFrozen frozen fields}, they will not be included in the
* <code>oldStartCol</code>, <code>oldEndCol</code> range reported by this method. Frozen fields are assumed never to be
* scrolled out of view.
*
* @param handler the drawAreaChanged handler
* @return {@link HandlerRegistration} used to remove this handler
*/
HandlerRegistration addDrawAreaChangedHandler(DrawAreaChangedHandler handler);
}