/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol 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.
*
* FreeCol 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 FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.client.gui.panel;
import java.io.File;
import java.util.logging.Logger;
import org.freecolandroid.repackaged.java.awt.event.ActionEvent;
import org.freecolandroid.repackaged.java.awt.event.ItemEvent;
import org.freecolandroid.repackaged.java.awt.event.ItemListener;
import org.freecolandroid.repackaged.javax.swing.JButton;
import org.freecolandroid.repackaged.javax.swing.JComboBox;
import org.freecolandroid.repackaged.javax.swing.JLabel;
import net.sf.freecol.FreeCol;
import net.sf.freecol.client.FreeColClient;
import net.sf.freecol.client.gui.GUI;
import net.sf.freecol.client.gui.i18n.Messages;
import net.sf.freecol.client.gui.plaf.FreeColComboBoxRenderer;
import net.sf.freecol.common.model.Specification;
import net.sf.freecol.common.option.OptionGroup;
/**
* Dialog for displaying and modifying the difficulty level.
*
* @see OptionGroup
*/
public final class DifficultyDialog extends OptionsDialog implements ItemListener {
private static final Logger logger = Logger.getLogger(DifficultyDialog.class.getName());
private static final String EDIT = "EDIT";
private JButton edit = new JButton(Messages.message("edit"));
private String DEFAULT_LEVEL = "model.difficulty.medium";
private String CUSTOM_LEVEL = "model.difficulty.custom";
/**
* We need our own copy of the specification, as the dialog is
* used before the game has been started.
*/
private Specification specification;
private final JComboBox difficultyBox = new JComboBox();
private class BoxRenderer extends FreeColComboBoxRenderer {
public void setLabelValues(JLabel c, Object value) {
c.setText(Messages.message((String) value));
}
}
/**
* Use this constructor to display the difficulty level of the
* current game read-only.
*
* @param parent a <code>Canvas</code> value
* @param level an <code>OptionGroup</code> value
*/
public DifficultyDialog(FreeColClient freeColClient, GUI gui, OptionGroup level) {
super(freeColClient, gui, false);
difficultyBox.setRenderer(new BoxRenderer());
specification = getSpecification();
difficultyBox.addItem(level.getId());
difficultyBox.setEnabled(false);
initialize(level, Messages.message("difficulty"), difficultyBox);
}
/**
* Use this constructor to allow the selection of a difficulty
* level when starting a new game.
*
* @param parent The parent of this panel.
* @param specification a <code>Specification</code> value
*/
public DifficultyDialog(FreeColClient freeColClient, GUI gui, Specification specification) {
super(freeColClient, gui, true);
difficultyBox.setRenderer(new BoxRenderer());
this.specification = specification;
boolean customized = loadCustomOptions();
OptionGroup group = specification.getDifficultyLevel(customized ? CUSTOM_LEVEL : DEFAULT_LEVEL);
if (group == null) {
// this really should not happen
group = specification.getDifficultyLevels().get(0);
}
for (OptionGroup level : specification.getDifficultyLevels()) {
String id = level.getId();
difficultyBox.addItem(id);
}
difficultyBox.setSelectedItem(group.getId());
edit.setActionCommand(EDIT);
edit.addActionListener(this);
edit.setEnabled(!CUSTOM_LEVEL.equals(group.getId()));
getButtons().add(edit);
save.setEnabled(CUSTOM_LEVEL.equals(group.getId()));
difficultyBox.addItemListener(this);
initialize(group, Messages.message("difficulty"), difficultyBox);
}
@Override
protected boolean isGroupEditable() {
return super.isGroupEditable() && CUSTOM_LEVEL.equals(getGroup().getId());
}
@Override
public boolean isEditable() {
return super.isEditable() && CUSTOM_LEVEL.equals(getGroup().getId());
}
@Override
public String getOptionGroupId() {
return CUSTOM_LEVEL;
}
/**
* Returns this dialog's instance of the <code>Specification</code>.
*
* @return a <code>Specification</code> value
*/
@Override
public Specification getSpecification() {
return specification;
}
/**
* {@inheritDoc}
*/
public void actionPerformed(ActionEvent event) {
String command = event.getActionCommand();
if (EDIT.equals(command)) {
OptionGroup custom = specification.getOptionGroup(CUSTOM_LEVEL);
custom.setValue(getGroup());
difficultyBox.setSelectedItem(CUSTOM_LEVEL);
} else if (LOAD.equals(command)) {
File loadFile = getGUI().showLoadDialog(FreeCol.getOptionsDirectory(), filters);
if (loadFile != null) {
load(loadFile);
difficultyBox.setSelectedItem(CUSTOM_LEVEL);
}
} else {
super.actionPerformed(event);
}
}
/**
* {@inheritDoc}
*/
public void itemStateChanged(ItemEvent event) {
String id = (String) difficultyBox.getSelectedItem();
edit.setEnabled(!CUSTOM_LEVEL.equals(id));
save.setEnabled(CUSTOM_LEVEL.equals(id));
updateUI(specification.getOptionGroup(id));
}
/**
* Returns the default file name to save the custom difficulty
* level.
*
* @return "custom.xml"
*/
public String getDefaultFileName() {
return "custom.xml";
}
}