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/* 
 * This file is part of the Echo Web Application Framework (hereinafter "Echo").
 * Copyright (C) 2002-2009 NextApp, Inc.
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */

package nextapp.echo.webcontainer.sync.component;

import nextapp.echo.app.Component;
import nextapp.echo.app.RadioButton;
import nextapp.echo.app.button.ButtonGroup;
import nextapp.echo.app.util.Context;
import nextapp.echo.webcontainer.ComponentSynchronizePeer;

/**
 * Synchronization peer for RadioButtons.
 * 
 * @author n.beekman
 */
public class RadioButtonPeer extends ToggleButtonPeer {
    
    /** The non-style "group" output property name, which describes the id of a group of exclusive radio-buttons. */
    private static final String PROPERTY_GROUP = "group";
    
    /** Default constructor. */
    public RadioButtonPeer() {
        super();
        addOutputProperty(PROPERTY_GROUP);
    }
    
    /**
     * @see nextapp.echo.webcontainer.sync.component.AbstractButtonPeer#getClientComponentType(boolean)
     */
    public String getClientComponentType(boolean mode) {
        return mode ? "RB" : "RadioButton";
    }
    
    /**
     * @see nextapp.echo.webcontainer.AbstractComponentSynchronizePeer#getComponentClass()
     */
    public Class getComponentClass() {
        return RadioButton.class;
    }
    
    /**
     * @see ComponentSynchronizePeer#getOutputProperty(Context, Component, String, int)
     */
    public Object getOutputProperty(Context context, Component component, String propertyName, int propertyIndex) {
        if (PROPERTY_GROUP.equals(propertyName)) {
            RadioButton radioButton = (RadioButton)component;
            ButtonGroup group = radioButton.getGroup();
            return group == null ? null : group.getRenderId();
        }
        return super.getOutputProperty(context, component, propertyName, propertyIndex);
    }
}