chooseseparatordialog.java

利用Java实现的神经网络工具箱

/*
 * $RCSfile: ChooseSeparatorDialog.java,v $
 * $Revision: 1.5 $
 * $Date: 2005/04/30 02:43:46 $
 *
 * NeuralNetworkToolkit
 * Copyright (C) 2004 Universidade de Brasília
 *
 * This file is part of NeuralNetworkToolkit.
 *
 * NeuralNetworkToolkit 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.
 *
 * NeuralNetworkToolkit 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 NeuralNetworkToolkit; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 - USA.
 */

package neuralnetworktoolkit.gui.newnetwork;

import java.util.ResourceBundle;
import javax.swing.*;

/**
 * Dialog box used to user select or insert the appropriate file
 * field separator, when loading data from a simple 'txt' file.
 * 
 * @version $Revision: 1.5 $ - $Date: 2005/04/30 02:43:46 $
 * 
 * @author <a href="mailto:[e-mail]">Rodrigo C. M. Coimbra</a>
 * @author <a href="mailto:[e-mail]">Hugo Iver V. Gonçalves</a>
 */
public class ChooseSeparatorDialog {
	private static final String TAB       = "	";
	private static final String SPACE     = " ";
	private static final String POINT     = ".";
	private static final String COMMA     = ",";
	private static final String SEMICOLON = ";";
	private static final String TAB_MESSAGE = "tab";
	private static final String SPACE_MESSAGE = "space";
	private static final String POINT_MESSAGE = "point";
	private static final String COMMA_MESSAGE = "comma";
	private static final String SEMICOLON_MESSAGE = "semicolon";
	
	private static final int OK_BUTTON     = 0;
	private static final int CANCEL_BUTTON = 1;
	
	private JComboBox    combo         = new JComboBox();
	private JDesktopPane desktop;
	private Object[]     dialogItems   = new Object[2];
	private String[]     options       = new String[2];
	private String       fieldSeparator = null;
	
	private ResourceBundle resources;

	/**
	 * Creates a new choose separator dialog. Only attributes are
	 * initialized. To show the dialog use {@link #showDialog() showDialog()}.
	 * 
	 * @param desktop Desktop to show dialog.
	 */
	public ChooseSeparatorDialog(JDesktopPane desktop) {
		this.desktop = desktop;
		this.resources = ResourceBundle
				.getBundle("neuralnetworktoolkit.gui.newnetwork.resources.ChooseSeparatorDialogResource");
		
		dialogItems[0] = resources.getString("dialogMessage");
		combo.setEditable(true);
		combo.addItem(resources.getString(TAB_MESSAGE));
		combo.addItem(resources.getString(SPACE_MESSAGE));
		combo.addItem(resources.getString(POINT_MESSAGE));
		combo.addItem(resources.getString(COMMA_MESSAGE));
		combo.addItem(resources.getString(SEMICOLON_MESSAGE));
		dialogItems[1] = combo;

		options[OK_BUTTON]     = resources.getString("ok");
		options[CANCEL_BUTTON] = resources.getString("cancel");
		
	} //ChooseSeparatorDialog()
	
	/**
	 * Shows the choose separator dialog.
	 * 
	 * @return Separator choosed.
	 */
	public void showDialog() {
		int result = JOptionPane.showOptionDialog(desktop, 
												  dialogItems,
												  resources.getString("nntk"),
												  JOptionPane.DEFAULT_OPTION,
												  JOptionPane.PLAIN_MESSAGE,
												  null,
												  options,
												  options[OK_BUTTON]);
		
		switch (result) {
		case OK_BUTTON:
			fieldSeparator = (String) combo.getSelectedItem();
			if (fieldSeparator.equals(resources.getString(TAB_MESSAGE)))
				fieldSeparator = TAB;
			else if (fieldSeparator.equals(resources.getString(SPACE_MESSAGE)))
				fieldSeparator = SPACE;
			else if (fieldSeparator.equals(resources.getString(POINT_MESSAGE)))
				fieldSeparator = POINT;
			else if (fieldSeparator.equals(resources.getString(COMMA_MESSAGE)))
				fieldSeparator = COMMA;
			else if (fieldSeparator.equals(resources
					.getString(SEMICOLON_MESSAGE)))
				fieldSeparator = SEMICOLON;

			
			break;

		case CANCEL_BUTTON:
			fieldSeparator = null;
			break;

		default:
			fieldSeparator = null;
			break;

		}

	} //showDialog()
	
	/**
	 * Returns the selected file field separator. 
	 * 
	 * @return Returns the field separator.
	 */
	public String getFieldSeparator() {
		return fieldSeparator;
		
	} //getFieldSeparator()
	
} //ChooseSeparatorDialog