addterminaleventhandler.java

来自「NetGUI v0.4.1 」· Java 代码 · 共 84 行

/*
 * Copyright (C) 2005, 2006 
 * Santiago Carot Nemesio
 *
 * This file is part of NetGUI.
 *
 * NetGUI 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.
 * 
 * NetGUI 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 NetGUI; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *  
 */



import java.awt.*;
import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import java.awt.geom.Point2D;
import java.util.*;

import javax.swing.*;

import edu.umd.cs.piccolo.*;
import edu.umd.cs.piccolo.PCanvas;
import edu.umd.cs.piccolo.nodes.*;
import edu.umd.cs.piccolox.*;
import edu.umd.cs.piccolox.nodes.*;
import edu.umd.cs.piccolo.event.*;
import edu.umd.cs.piccolo.util.*;

public class AddTerminalEventHandler extends PBasicInputEventHandler
{
	LayersHandler handler;
	
	public AddTerminalEventHandler (LayersHandler lHandler)
		{
			PInputEventFilter filter = new PInputEventFilter();
			filter.setOrMask(InputEvent.BUTTON1_MASK);
			setEventFilter(filter);
			handler = lHandler;
		}
	
	public void mouseClicked (PInputEvent e)
		{
			super.mouseClicked(e);
			displayWindow(e.getPosition());			
		}
		
	private void displayWindow (Point2D globalPoint2D)
		{
			String systemName;
			boolean cancel = false;
			boolean exit = true;
						
			do
			{
			systemName = (String)JOptionPane.showInputDialog(
    			null,
    			"Introduzca el nombre del terminal",
    			"Nuevo terminal",
    			JOptionPane.PLAIN_MESSAGE,
    			new ImageIcon(System.getProperty("NETLAB_HOME")+"/images/48x48/system.png"),
    			null,
    			handler.getUnusedTerminalName());
    			
    		cancel = (systemName == null);
    		if ((!cancel) && (systemName.length() > 0))
    			handler.addNewTerminal(globalPoint2D, systemName);
    		exit = (cancel || handler.nodeNameExists(systemName));
    		}
    		while (!exit);
		}
}