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JSF components and utilities that can be used with any JSF implementation. This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build changes to take advantage of JSF1.2 features. A JSF1.2 implementation is required to use this version of the Tomahawk library.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.myfaces.custom.toggle;

import javax.faces.component.html.HtmlPanelGroup;
import javax.faces.context.FacesContext;

import org.apache.myfaces.component.EventAware;
import org.apache.myfaces.component.UniversalProperties;

/**
 * Container class allows user to toggle between view/edit mode.
 * 
 * Extends PanelGroup. Allows user to toggle between 'view' mode and 'edit' mode. 
 * In the togglePanel, include a toggleLink. When the toggleLink is clicked, 
 * the rest of the group is shown, and the link is hidden.
 * 
 * @JSFComponent
 *   name = "t:togglePanel"
 *   class = "org.apache.myfaces.custom.toggle.TogglePanel"
 *   tagClass = "org.apache.myfaces.custom.toggle.TogglePanelTag"
 *   
 * @author Sharath
 * 
 */
public abstract class AbstractTogglePanel extends HtmlPanelGroup
    implements EventAware, UniversalProperties
{
    public static final String COMPONENT_TYPE = "org.apache.myfaces.TogglePanel";
    public static final String DEFAULT_RENDERER_TYPE = "org.apache.myfaces.TogglePanel";

    public static final boolean DEFAULT_TOGGLED = false;

    public static final boolean DEFAULT_DISABLED = false;

    /**
     * You can set toggled to true to force the toggleGroup to always be in toggle 
     * mode. Default is false.
     * 
     * @JSFProperty
     *   defaultValue="false"
     * @return
     */
    public abstract boolean isToggled();
    
    public abstract void setToggled(boolean toggleMode);
    
    /**
     * @JSFProperty
     *   defaultValue="false"
     * @return
     */
    public abstract boolean isDisabled();
    
    public void processDecodes(FacesContext context)
    {
        super.processDecodes(context);

        String hiddenFieldId = this.getClientId(context) + "_hidden";
        String toggleMode = (String) context.getExternalContext().getRequestParameterMap().get(hiddenFieldId);

        if (toggleMode != null && toggleMode.trim().equals("1")) {
            this.setToggled(true);
        }
    }

    public void processUpdates(FacesContext context)
    {
        super.processUpdates(context);
        this.setToggled(false);
    }
}