WelcomeDialog.java

/*
 * Created on 27.2.2007
 *
 * Copyright (c) 2007 Karl Helgason
 * 
 * http://www.frinika.com
 * 
 * This file is part of Frinika.
 * 
 * Frinika 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.

 * Frinika 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 Frinika; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package com.frinika;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.HashMap;
import java.util.Map;

import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.KeyStroke;
import javax.swing.SwingConstants;

import com.frinika.project.gui.ProjectFrame;

public class WelcomeDialog extends JDialog {

	private static final long serialVersionUID = 1L;
	
	int sel = 0;
	int ix = 0;
	
	public int getSelectedOption()
	{
		return sel;
	}

	public WelcomeDialog()
	{
		this(new Object[0]);
	}

	
	public WelcomeDialog(Object[] options)
	{		
		setUndecorated(true);
		setModal(true);		
		
		JPanel panel = new JPanel();
		panel.setLayout(new BorderLayout());
		panel.setBackground(Color.WHITE);
		Icon welcome = new javax.swing.ImageIcon(ProjectFrame.class.getResource("/frinika.png"));
		JLabel label = new JLabel(welcome);
		label.setHorizontalTextPosition(SwingConstants.CENTER);
		label.setVerticalTextPosition(SwingConstants.BOTTOM);
		label.setFont(label.getFont().deriveFont(Font.PLAIN));
		label.setText(AboutDialog.MAIN_TITLE);
		label.setBorder(BorderFactory.createEmptyBorder(25,5,5,5));
		panel.add(label, BorderLayout.NORTH);
		panel.setBorder(BorderFactory.createEmptyBorder(15,15,15,15));
		
		JPanel contentpane = new JPanel();
		contentpane.setBorder(BorderFactory.createLineBorder(Color.BLACK, 2));
		contentpane.setLayout(new BorderLayout());
		contentpane.add(panel);
		setContentPane(contentpane);
		
		JPanel buttonpanel = new JPanel();
		buttonpanel.setOpaque(false);
		for (int i = 0; i < options.length; i++) {
			ix = i;
			JButton button = new JButton(options[i].toString());
			button.addActionListener(new ActionListener()
					{
					    int index = ix; 
						public void actionPerformed(ActionEvent e) {
							
							ActionListener listener = listeners.get(index);
							if(listener != null)
							{
								listener.actionPerformed(e);
								return;
							}
							
							sel = index;
							setVisible(false);
						}
					});
			if(i == 0)
			{
				button.setDefaultCapable(true);
				getRootPane().setDefaultButton(button);
			}
						
			buttonpanel.add(button);
		}
		panel.add(buttonpanel, BorderLayout.CENTER);
		
		JPanel copyrightpanel = new JPanel();
		copyrightpanel.setOpaque(false);

		JLabel line = new JLabel(AboutDialog.COPYRIGHT_NOTICE);
		line.setHorizontalTextPosition(SwingConstants.CENTER);
		line.setFont(line.getFont().deriveFont(10f).deriveFont(Font.PLAIN));		
		
		copyrightpanel.add(line);

		panel.add(copyrightpanel, BorderLayout.SOUTH);
		
		setTitle("Welcome");
		
		KeyStroke stroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
		panel.registerKeyboardAction(new ActionListener()
				{
					public void actionPerformed(ActionEvent e) {
						sel = -1;
						setVisible(false);
					}
				}
				, stroke, JComponent.WHEN_IN_FOCUSED_WINDOW);		
		
		pack();
		
	    Rectangle windowSize ;
	    Insets windowInsets;		
		
	    Toolkit toolkit = Toolkit.getDefaultToolkit();
	    GraphicsEnvironment ge = java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment();
	    GraphicsConfiguration gc = ge.getDefaultScreenDevice().getDefaultConfiguration();	    
	    if(gc == null) 
	        gc = getGraphicsConfiguration();	    
	    
	    if(gc != null) {
	    	windowSize = gc.getBounds();
	    } else {
	    	windowSize = new java.awt.Rectangle(toolkit.getScreenSize());
	    }	    						
		
		Dimension size = getSize();		
		Point parent_loc = getLocation();			
		setLocation(parent_loc.x + windowSize.width/2 - (size.width/2),
				    parent_loc.y + windowSize.height/2 - (size.height/2));
				
	}
	
	Map<Integer, ActionListener> listeners = new HashMap<Integer, ActionListener>();
	public void addButtonActionListener(int id, ActionListener listener)
	{
		listeners.put(id, listener);
	}
	
	public static int showModal(Object[] options)
	{
		WelcomeDialog panel = new WelcomeDialog(options);
		panel.setVisible(true);		
		return panel.sel;
	}
}