editmenu.java

chess 一个beguanyu国际象棋的一个Java源码

/*
	EditMenu - A class to create the Edit menu.

	Copyright (C) 2002,2003 Harald Faber <[e-mail]>

	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.
*/

package de.java_chess.javaChess.menu;

import java.awt.GridLayout;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JTextField;

import de.java_chess.javaChess.renderer2d.NotationPanel;
import de.java_chess.javaChess.dialogs.PlayerDialog;
import de.java_chess.javaChess.dialogs.SetupBoardDialog;
import de.java_chess.javaChess.util.Tools;

/**
 * This class constructs the Edit menu.
 */
public class EditMenu implements ActionListener
{

/**
 * Holds the NotationPanel, e.g. for editing the players names.
 */
	private NotationPanel notationPanel;

/**
 * The menu item to edit the white player name
 */
	JMenuItem jmiWhitePlayerName = new JMenuItem();

/**
 * The menu item to edit the black player name
 */
	JMenuItem jmiBlackPlayerName = new JMenuItem();

/**
 * The menu item to edit the black player name
 */
	JMenuItem jmiEditPosition = new JMenuItem();

/**
 * Standardconstructor
 */
	public EditMenu()
	{
		this.notationPanel = null;
	}

/**
 * Interface method. Currently displays input dialogs to edit white and black player
 * names
 * @param e The action event
 */
	public void actionPerformed(ActionEvent e)
	{
		if ( e.getSource().equals( jmiEditPosition ))
		{
			SetupBoardDialog setupBoardDialog = new SetupBoardDialog();
			Tools.setDialogToCenter( setupBoardDialog );
			setupBoardDialog.setModal( true );
			setupBoardDialog.show();
		}
		else{
				if (notationPanel != null) {
					PlayerDialog playerDialog = null;
					boolean bWhiteOrBlack = true;

					if (e.getSource().equals(jmiWhitePlayerName)) {
						playerDialog = new PlayerDialog( 1, notationPanel.getWhitePlayerName() );
						bWhiteOrBlack = true;
					}
					else if (e.getSource().equals(jmiBlackPlayerName))
					{
						playerDialog = new PlayerDialog( 2, notationPanel.getBlackPlayerName() );
						bWhiteOrBlack = false;
					}

					if ( playerDialog != null )
					{
						Tools.setDialogToCenter( playerDialog );
						playerDialog.show();

						String sNewName = playerDialog.getNewName();
						if (bWhiteOrBlack == true) {
							notationPanel.setWhitePlayerName(sNewName);
						}
						else {
							notationPanel.setBlackPlayerName(sNewName);
						}
					}
				}
		}
	}

/**
 * Return a menu from the chess engine, where the user
 * can change the settings.
 *
 * @return A menu for the engine settings.
 */
	public final JMenu getMenu()
	{
		// Create a new menu.
		JMenu jmEditMenu = new JMenu( "Edit");

		// Add menu items
		jmiBlackPlayerName.setText( "Black player name" );
		jmiWhitePlayerName.setText( "White player name" );
		jmiEditPosition.setText( "Edit/Setup position" );
		jmiEditPosition.setMnemonic( 'S' );

		jmiBlackPlayerName.addActionListener( this );
		jmiWhitePlayerName.addActionListener( this );
								jmiEditPosition.addActionListener( this );

		jmEditMenu.add( jmiWhitePlayerName );
		jmEditMenu.add( jmiBlackPlayerName );
								jmEditMenu.addSeparator();
								jmEditMenu.add( jmiEditPosition );

		jmEditMenu.setMnemonic( KeyEvent.VK_E );
		return ( jmEditMenu );
	}

/**
 * Sets the NotationPanel to be able to perform some actions there
 * @param panel The NotationPanel object
 */
	public final void setNotationPanel(NotationPanel panel)
	{
		this.notationPanel = panel;
	}

}