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There is a newer version: 4.3.0
/*
 * Original Code Copyright Prime Technology.
 * Subsequent Code Modifications Copyright 2011-2012 ICEsoft Technologies Canada Corp. (c)
 *
 * Licensed 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.
 *
 * NOTE THIS CODE HAS BEEN MODIFIED FROM ORIGINAL FORM
 *
 * Subsequent Code Modifications have been made and contributed by ICEsoft Technologies Canada Corp. (c).
 *
 * Code Modification 1: Integrated with ICEfaces Advanced Component Environment.
 * Contributors: ICEsoft Technologies Canada Corp. (c)
 *
 * Code Modification 2: [ADD BRIEF DESCRIPTION HERE]
 * Contributors: ______________________
 * Contributors: ______________________
 */

/*
 * Generated, Do Not Modify
 */

package org.icefaces.ace.component.panel;

import javax.faces.context.FacesContext;
import javax.faces.component.UINamingContainer;
import javax.el.ValueExpression;
import javax.faces.component.UIComponent;
import javax.faces.application.ResourceDependencies;
import javax.faces.application.ResourceDependency;
import java.util.List;
import java.util.ArrayList;
import org.icefaces.ace.component.menu.Menu;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import org.icefaces.ace.event.ToggleEvent;
import org.icefaces.ace.event.CloseEvent;
import org.icefaces.ace.model.Visibility;
import org.icefaces.ace.util.Constants;
import javax.faces.event.AjaxBehaviorEvent;
import javax.faces.event.FacesEvent;
import java.util.Map;

public class Panel extends PanelBase {

	private static final String OPTIMIZED_PACKAGE = "org.icefaces.ace.component.";

	public static final String PANEL_CLASS = "ui-panel ui-widget ui-widget-content ui-corner-all";
	public static final String PANEL_TITLEBAR_CLASS = "ui-panel-titlebar ui-widget-header ui-corner-all";
	public static final String PANEL_TITLE_CLASS = "ui-panel-title";
	public static final String PANEL_TITLE_ICON_CLASS = "ui-panel-titlebar-icon ui-corner-all ui-state-default";
	public static final String PANEL_CONTENT_CLASS = "ui-panel-content ui-widget-content";
	public static final String PANEL_FOOTER_CLASS = "ui-panel-footer ui-widget-content";
	
	private Menu optionsMenu;
	
	public Menu  getOptionsMenu() {
		if(optionsMenu == null) {
			UIComponent optionsFacet = getFacet("options");
			if(optionsFacet != null) {
                if(optionsFacet instanceof Menu)
                    optionsMenu = (Menu) optionsFacet;
                else
                    optionsMenu = (Menu) optionsFacet.getChildren().get(0);
            }

		}

		return optionsMenu;
	}

    @Override
    public void queueEvent(FacesEvent event) {
        FacesContext context = FacesContext.getCurrentInstance();
        Map params = context.getExternalContext().getRequestParameterMap();
        String eventName = params.get(Constants.PARTIAL_BEHAVIOR_EVENT_PARAM);
        String source = params.get(Constants.PARTIAL_SOURCE_PARAM);
        String clientId = this.getClientId(context);
        
        if(isSelfRequest(context)) {
            AjaxBehaviorEvent behaviorEvent = (AjaxBehaviorEvent) event;
            
            if(eventName.equals("toggle")) {
                boolean collapsed = Boolean.valueOf(params.get(clientId + "_collapsed"));
                Visibility visibility = collapsed ? Visibility.HIDDEN : Visibility.VISIBLE;

                super.queueEvent(new ToggleEvent(this, behaviorEvent.getBehavior(), visibility));

            } else if(eventName.equals("close")) {
                super.queueEvent(new CloseEvent(this, behaviorEvent.getBehavior()));
            }
        }
        else {
            super.queueEvent(event);
        }
    }

    @Override
    public void processDecodes(FacesContext context) {
        if(isSelfRequest(context)) {
            this.decode(context);
        }
        else {
            super.processDecodes(context);
        }
    }

    @Override
    public void processValidators(FacesContext context) {
        if(!isSelfRequest(context)) {
            super.processValidators(context);
        }
    }

    @Override
    public void processUpdates(FacesContext context) {
        if(!isSelfRequest(context)) {
            super.processUpdates(context);
        }
    }

    private boolean isSelfRequest(FacesContext context) {
        return this.getClientId(context).equals(context.getExternalContext().getRequestParameterMap().get(Constants.PARTIAL_SOURCE_PARAM));
    }

	protected FacesContext getFacesContext() {
		return FacesContext.getCurrentInstance();
	}
}