/*
* Copyright (C) 2004 TiongHiang Lee
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Email: thlee@onemindsoft.org
*/
package org.onemind.swingweb.client.gwt.ui;
import java.util.*;
import org.onemind.swingweb.client.core.AbstractClient;
import org.onemind.swingweb.client.dom.DomNode;
import org.onemind.swingweb.client.gwt.widget.MenuBar;
import com.google.gwt.user.client.ui.MenuItem;
public class MenuBarUIHandler extends MenuComponentUIHandler
{
private static Set added = new HashSet();
public MenuBarUIHandler(AbstractClient client)
{
super(client);
}
public Object createComponentInstance(Object parent, DomNode element)
{
MenuBar bar = new MenuBar();
return bar;
}
/**
* {@inheritDoc}
*/
protected Object updateUI(Object com, DomNode element)
{
handleChildrenMenu(getClient(), (MenuBar) com, element);
return super.updateUI(com, element);
}
protected void handleChildrenMenu(AbstractClient rootHandler, MenuBar bar, DomNode element)
{
bar.clearItems();
List nodes = getComponentNodes(element);
for (int i = 0; i < nodes.size(); i++)
{
DomNode childNode = (DomNode) nodes.get(i);
if (childNode instanceof DomNode)
{
DomNode childElement = childNode;
Object childCom = rootHandler.handle(bar, childElement);
handleChildMenu(rootHandler, bar, childCom, childElement);
}
}
}
protected void handleChildMenu(AbstractClient rootHandler, MenuBar bar, Object childCom, DomNode childElement)
{
if (childCom instanceof MenuItem)
{
MenuItem m = (MenuItem) childCom;
bar.addItem(m);
} else if (childCom instanceof MenuBar)
{
MenuBar mb = (MenuBar) childCom;
bar.addItem(mb.getTitle(), mb);
}
}
}