/jEdit/tags/jedit-4-5-pre1/org/gjt/sp/jedit/gui/tray/JTrayIcon.java

/*

 * jEdit - Programmer's Text Editor

 * :tabSize=8:indentSize=8:noTabs=false:

 * :folding=explicit:collapseFolds=1:

 *

 * Copyright Š 2011 Matthieu Casanova

 *

 * 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 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 */



package org.gjt.sp.jedit.gui.tray;



//{{{ Imports

import java.awt.Frame;

import java.awt.Image;

import java.awt.TrayIcon;



import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;



import javax.swing.JDialog;

import javax.swing.JPopupMenu;

import javax.swing.event.PopupMenuEvent;

import javax.swing.event.PopupMenuListener;



import org.gjt.sp.jedit.GUIUtilities;

//}}}



/**

 * A TrayIcon that accepts Swing JPopupMenu.

 * @author Matthieu Casanova

 * @since jEdit 4.5pre1

 */

public class JTrayIcon extends TrayIcon

{

	private JDialog parent;

	private JPopupMenu menu;

	private MouseListener mouseListener;

	private PopupMenuListener popupMenuListener;



	//{{{ JTrayIcon constructor

	public JTrayIcon(Image image, String tooltip)

	{

		super(image, tooltip, null);



	} //}}}



	//{{{ getMenu() method

	public JPopupMenu getMenu()

	{

		return menu;

	} //}}}



	//{{{ setMenu() method

	public void setMenu(JPopupMenu menu)

	{

		if (menu == null)

		{



			if (mouseListener != null)

			{

				removeMouseListener(mouseListener);

				mouseListener = null;

			}

			if (popupMenuListener != null)

			{

				this.menu.removePopupMenuListener(popupMenuListener);

				popupMenuListener = null;

			}

			parent = null;

		}

		else

		{

			parent = new JDialog((Frame) null);

			parent.setUndecorated(true);

			parent.setAlwaysOnTop(true);

			if (mouseListener == null)

			{

				mouseListener = new MyMouseListener();

				addMouseListener(mouseListener);

			}

			popupMenuListener = new MyPopupMenuListener();

			menu.addPopupMenuListener(popupMenuListener);

		}

		this.menu = menu;

	} //}}}



	//{{{ MyMouseListener class

	private class MyMouseListener extends MouseAdapter

	{

		@Override

		public void mouseClicked(MouseEvent e)

		{

			if (GUIUtilities.isPopupTrigger(e))

			{

				parent.setLocation(e.getX(), e.getY() - menu.getPreferredSize().height);

				parent.setVisible(true);

				menu.show(parent, 0, 0);

			}

		}

	} //}}}



	//{{{ MyPopupMenuListener class

	private class MyPopupMenuListener implements PopupMenuListener

	{

		@Override

		public void popupMenuWillBecomeVisible(PopupMenuEvent e)

		{

		}



		@Override

		public void popupMenuWillBecomeInvisible(PopupMenuEvent e)

		{

			parent.setVisible(false);

		}



		@Override

		public void popupMenuCanceled(PopupMenuEvent e)

		{

			parent.setVisible(false);

		}

	} //}}}

}