PreferencesDialog.java

/*
 *  UFO Saved Game Editor
 *  Copyright (C) 2010 Christopher Davoren
 * 
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 */

package net.rubikscomplex.ufosge.gui;

import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.io.File;
import java.util.prefs.Preferences;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import net.rubikscomplex.ufosge.resources.ResourceManager;


/**
 *
 * @author Chris Davoren
 */
public class PreferencesDialog extends JDialog implements ActionListener {

    public static final int RESULT_OK = 0;
    public static final int RESULT_CANCEL = 1;

    public static final String UFODIR_VALID_FILENAME = "DOS4GW.EXE";

    JTextField UFODirField;

    protected int result;

    public PreferencesDialog(Window owner) {
        super(owner, "Preferences");
        setIconImage(ResourceManager.getDefaultFrameIcon().getImage());
        setModal(true);

        JLabel UFODirLabel = new JLabel("UFO Directory:");
        UFODirLabel.setAlignmentY(Component.CENTER_ALIGNMENT);

        UFODirField = new JTextField();
        UFODirField.setAlignmentY(Component.CENTER_ALIGNMENT);
        UFODirField.setColumns(20);
        UFODirField.setMaximumSize(UFODirField.getPreferredSize());
        // UFODirField.setPreferredSize(new Dimension(100, 25));
        // UFODirField.setMaximumSize(new Dimension(300, 25));
        UFODirLabel.setLabelFor(UFODirField);

        JButton browseButton = new JButton("Browse...");
        browseButton.setMnemonic(KeyEvent.VK_B);
        browseButton.addActionListener(this);
        browseButton.setAlignmentY(Component.CENTER_ALIGNMENT);

        JPanel preferencesPanel = new JPanel();
        preferencesPanel.setLayout(new BoxLayout(preferencesPanel, BoxLayout.X_AXIS));
        // preferencesPanel.setBorder(BorderFactory.createTitledBorder("Preferences"));
        preferencesPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
        preferencesPanel.setAlignmentX(Component.RIGHT_ALIGNMENT);
        preferencesPanel.add(UFODirLabel);
        preferencesPanel.add(Box.createRigidArea(new Dimension(10, 0)));
        preferencesPanel.add(UFODirField);
        preferencesPanel.add(Box.createRigidArea(new Dimension(10, 0)));
        preferencesPanel.add(browseButton);

        JButton okButton = new JButton("OK");
        okButton.setMnemonic(KeyEvent.VK_O);
        // Util.setButtonSize(okButton, 100, 25);
        okButton.addActionListener(this);

        JButton cancelButton = new JButton("Cancel");
        cancelButton.setMnemonic(KeyEvent.VK_C);
        // Util.setButtonSize(cancelButton, 100, 25);
        cancelButton.addActionListener(this);

        JPanel buttonPanel = new JPanel();
        buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.X_AXIS));
        buttonPanel.setAlignmentX(Component.RIGHT_ALIGNMENT);
        buttonPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 5));
        buttonPanel.add(Box.createHorizontalGlue());
        buttonPanel.add(okButton);
        buttonPanel.add(Box.createRigidArea(new Dimension(10, 0)));
        buttonPanel.add(cancelButton);

        Container contentPane = getContentPane();
        contentPane.setLayout(new BoxLayout(contentPane, BoxLayout.Y_AXIS));
        contentPane.add(preferencesPanel);
        contentPane.add(buttonPanel);

        String UFODirectory = ResourceManager.getUserPreferences().get(ResourceManager.PREF_UFO_DIR, null);
        if (UFODirectory != null) {
            UFODirField.setText(UFODirectory);
        }

        result = RESULT_CANCEL;

        setDefaultCloseOperation(DISPOSE_ON_CLOSE);

        pack();
        // System.out.println(getSize().width + " " + getSize().height);
        // System.out.println(buttonPanel.getPreferredSize().width + " " + buttonPanel.getPreferredSize().height);
        // System.out.println(preferencesPanel.getPreferredSize().width + " " + preferencesPanel.getPreferredSize().height);
        // setPreferredSize(getSize());
        setMinimumSize(getSize());
        setResizable(false);
        setLocationRelativeTo(owner);
    }
    
    protected boolean check() {
        File ufoDirTestFile = new File(UFODirField.getText(), UFODIR_VALID_FILENAME);

        return ufoDirTestFile.exists();
    }

    protected void updatePreferences() {
        Preferences userPrefs = ResourceManager.getUserPreferences();

        userPrefs.put(ResourceManager.PREF_UFO_DIR, UFODirField.getText());
    }
    
    public int getResult() {
        return result;
    }

    public void actionPerformed(ActionEvent e) {
        if (e.getActionCommand().equals("OK")) {
            updatePreferences();
            result = RESULT_OK;
            this.dispose();
        }
        else if (e.getActionCommand().equals("Cancel")) {
            result = RESULT_CANCEL;
            this.dispose();
        }
        else if (e.getActionCommand().equals("Browse...")) {
            JFileChooser chooser = new JFileChooser();
            chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
            chooser.setCurrentDirectory(new File(UFODirField.getText()));
            int chResult = chooser.showDialog(this, "Select");

            if (chResult == JFileChooser.APPROVE_OPTION) {
                UFODirField.setText(chooser.getSelectedFile().getAbsolutePath());
            }
        }
    }
}