/*
* JStatusMenu.java
*
* Created on 20. November 2006, 21:58
*
* Copyright (C) 20. November 2006 <reiner>
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
package shared.popupmenu;
import java.util.ArrayList;
import java.util.Iterator;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.MenuElement;
import javax.swing.event.PopupMenuEvent;
import shared.statusbar.JStatusBar;
/**
*
* @author reiner
* use this class instead of JMenu if you want to add help text for menu items in the status bar
*/
class JMenuUpdateData
{
public JMenuItem m_item;
public JMenuItemUpdateHandler m_handler;
JMenuUpdateData(JMenuItem item, JMenuItemUpdateHandler handler)
{
m_item = item;
m_handler = handler;
}
}
public class JStatusMenu extends JMenu
{
ArrayList<JMenuUpdateData> m_updateArray = new ArrayList<JMenuUpdateData>();
// protected JStatusBar m_statusBar;
/** Creates a new instance of JStatusMenu */
public JStatusMenu(String s, final JStatusBar statusBar)
{
super(s);
final JPopupMenu popupMenu = getPopupMenu();
popupMenu.addPopupMenuListener(new PopupMenuAdapter()
{
public void popupMenuWillBecomeVisible(PopupMenuEvent ev)
{
statusBar.saveText();
if (m_updateArray != null)
{
for (JMenuUpdateData item : m_updateArray)
{
MenuElement[] items = popupMenu.getSubElements();
for (MenuElement mItem : items)
{
if (mItem instanceof JMenuItem)
{
if (mItem == item.m_item)
{
item.m_handler.update((JMenuItem)mItem);
break;
}
}
}
}
}
}
public void popupMenuWillBecomeInvisible(PopupMenuEvent ev)
{
statusBar.setText(null);
}
});
}
public void addUpdateHandler(JMenuItem item, JMenuItemUpdateHandler handler)
{
m_updateArray.add(new JMenuUpdateData(item, handler));
}
public void removeUpdateHandler(JMenuItemUpdateHandler handler)
{
Iterator<JMenuUpdateData> iter = m_updateArray.iterator();
while(iter.hasNext())
{
if (iter.next().m_handler == handler)
iter.remove();
}
}
}