stationnamepanel.java

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/**    
  * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

  * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
  
package jmt.gui.jmodel.panels;

import jmt.gui.jmodel.definitions.JmodelStationDefinition;

import javax.swing.*;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;
import java.awt.*;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

/**
 * <p>Title: Station's Name Panel</p>
 * <p>Description: Panel used to change a station's name upon editing its properties</p>
 * 
 * @author Bertoli Marco
 *         Date: 23-ago-2005
 *         Time: 11.31.20
 */
public class StationNamePanel extends JPanel{
    private JmodelStationDefinition sd;
    private Object key;
    private JTextField name = new JTextField();
    /**
     * Creates a new Station Name Panel
     * @param sd station definition data structure
     * @param key key of search for station to be modified
     */
    public StationNamePanel(JmodelStationDefinition sd, Object key) {
        this.sd = sd;
        this.key = key;
        init();
    }

    /**
     * Inits this panel's components and their action listeners
     */
    private void init() {
        setLayout(new BorderLayout(5,5));
        setBorder(new TitledBorder(new EtchedBorder(), "Station Name"));
        add(new JLabel("Station Name: "), BorderLayout.WEST);
        name.setText(sd.getStationName(key));
        add(name, BorderLayout.CENTER);
        add(Box.createVerticalStrut(5), BorderLayout.SOUTH);
        inputListener listener = new inputListener();
        name.addKeyListener(listener);
        name.addFocusListener(listener);
    }

    /**
     * Listener used to change station name (associated to name JTextFields).
     * Parameters are set when JTextField loses focus or ENTER key is pressed.
     */
    protected class inputListener implements KeyListener, FocusListener {
        /**
         * Update station's name
         */
        protected void updateValues() {
            sd.setStationName(name.getText(), key);

            name.setText(sd.getStationName(key));
        }

        public void focusLost(FocusEvent e) {
            updateValues();
        }

        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER) {
                updateValues();
                e.consume();
            }
         }

        public void focusGained(FocusEvent e) {
        }

        public void keyReleased(KeyEvent e) {
        }

        public void keyTyped(KeyEvent e) {
        }
    }
}