/*FreeMind - A Program for creating and viewing Mindmaps
 *Copyright (C) 2000-2006 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitri Polivaev and others.
 *
 *See COPYING for Details
 *
 *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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
/** this is only a test class */
package accessories.plugins;

import java.awt.Color;
import java.util.Timer;
import java.util.TimerTask;
import java.util.Vector;

import javax.swing.SwingUtilities;

import freemind.modes.MindMapNode;
import freemind.modes.mindmapmode.hooks.PermanentMindMapNodeHookAdapter;
import freemind.view.mindmapview.NodeView;
import freemind.view.mindmapview.NodeViewVisitor;

/**
 * @author christianfoltin
 * 
 * @file BlinkingNodeHook.java
 * @package freemind.modes.mindmapmode
 * */
public class BlinkingNodeHook extends PermanentMindMapNodeHookAdapter {

	private Timer timer = null;

	/**
	 */
	public BlinkingNodeHook() {
		super();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see freemind.modes.NodeHook#startupMapHook(java.lang.String)
	 */
	public void invoke(MindMapNode node) {
		super.invoke(node);
		if (timer == null) {
			timer = new Timer();
			timer.schedule(new TimerColorChanger(), 500, 500);
			nodeChanged(getNode());
		}
	}

	// add a new node:
	// MindMapNode newNode=((ControllerAdapter)getController()).newNode();
	// ((MapAdapter) getMap()).insertNodeInto(newNode, getNode(), 0);

	static Vector colors = new Vector();

	protected class TimerColorChanger extends TimerTask {
		TimerColorChanger() {
			colors.clear();
			colors.add(Color.BLUE);
			colors.add(Color.RED);
			colors.add(Color.MAGENTA);
			colors.add(Color.CYAN);

		}

		/** TimerTask method to enable the selection after a given time. */
		public void run() {
			SwingUtilities.invokeLater(new Runnable() {
				public void run() {
					if (getNode() == null || getController().isBlocked())
						return;
					getNode().acceptViewVisitor(new NodeViewVisitor() {
						public void visit(NodeView view) {
							if (!view.isVisible()) {
								return;
							}
							Color col = view.getMainView().getForeground();
							int index = -1;
							if (col != null && colors.contains(col)) {
								index = colors.indexOf(col);
							}
							index++;
							if (index >= colors.size())
								index = 0;
							view.getMainView().setForeground(
									(Color) colors.get(index));
						}

					});
				}
			});
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see freemind.extensions.MindMapHook#shutdownMapHook()
	 */
	public void shutdownMapHook() {
		timer.cancel();
		nodeChanged(getNode());
		timer = null;
		super.shutdownMapHook();
	}

}