ActionsScreensOptionsPanelController.java :  » Project-Management » ThinkingRock-2.2.1 » tr » view » actions » screens » prefs » Java Open Source

/*
 * The contents of this file are subject to the terms of the Common Development
 * and Distribution License (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can get a copy of the License at http://www.thinkingrock.com.au/cddl.html
 * or http://www.thinkingrock.com.au/cddl.txt.
 *
 * When distributing Covered Code, include this CDDL Header Notice in each file
 * and include the License file at http://www.thinkingrock.com.au/cddl.txt.
 * If applicable, add the following below the CDDL Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * The Original Software is ThinkingRock. The Initial Developer of the Original
 * Software is Avente Pty Ltd, Australia.
 *
 * Portions Copyright 2006-2007 Avente Pty Ltd. All Rights Reserved.
 */

package tr.view.actions.screens.prefs;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import javax.swing.JComponent;
import org.netbeans.spi.options.OptionsPanelController;
import org.openide.util.HelpCtx;
import org.openide.util.Lookup;

final class ActionsScreensOptionsPanelController extends OptionsPanelController {
    
    private ActionsScreensOptionsPanel panel;
    private final PropertyChangeSupport pcs = new PropertyChangeSupport(this);
    private boolean changed;
    
    public void update() {
        getPanel().load();
        changed = false;
    }
    
    public void applyChanges() {
        getPanel().store();
        changed = false;
    }
    
    public void cancel() {
    }
    
    public boolean isValid() {
        return getPanel().valid();
    }
    
    public boolean isChanged() {
        return changed;
    }
    
    public HelpCtx getHelpCtx() {
        return new HelpCtx("prefs.actions.screens");
    }
    
    public JComponent getComponent(Lookup masterLookup) {
        return getPanel();
    }
    
    public void addPropertyChangeListener(PropertyChangeListener l) {
        pcs.addPropertyChangeListener(l);
    }
    
    public void removePropertyChangeListener(PropertyChangeListener l) {
        pcs.removePropertyChangeListener(l);
    }
    
    private ActionsScreensOptionsPanel getPanel() {
        if (panel == null) {
            panel = new ActionsScreensOptionsPanel(this);
        }
        return panel;
    }
    
    void changed() {
        if (!changed) {
            changed = true;
            pcs.firePropertyChange(OptionsPanelController.PROP_CHANGED, false, true);
        }
        pcs.firePropertyChange(OptionsPanelController.PROP_VALID, null, null);
    }
    
}