/*
    * 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.view.facelets.pss.acid.managed;
  
  import java.util.HashMap;
  import java.util.Map;
  import javax.faces.bean.ManagedBean;
  import javax.faces.bean.RequestScoped;
  import javax.faces.component.UIComponent;
  import javax.faces.component.UIOutput;
  import javax.faces.component.UIPanel;
  import javax.faces.component.html.HtmlPanelGroup;
  import javax.faces.context.FacesContext;
  import javax.faces.view.ViewDeclarationLanguage;
  
  /**
   *
   * @author Leonardo Uribe
   */
  @ManagedBean(name="componentBindingVDLBean3")
  @RequestScoped
  public class ComponentBindingVDLBean3
  {
      private UIPanel panel;
      
      public UIPanel getPanel()
      {
          if (panel == null)
          {
              panel = new HtmlPanelGroup();
              FacesContext facesContext = FacesContext.getCurrentInstance();
              if (facesContext.isPostback())
              {
                  // Just try to mess the binding. In theory this does
                  // not have effect, because the binding with children
                  // or facets should be restored fully.
                  UIOutput out2 = new UIOutput();
                  out2.setValue("hello2");
                  panel.getChildren().add(out2);
              }
              UIOutput out = new UIOutput();
              out.setValue("hello1");
              panel.getChildren().add(out);
              
              ViewDeclarationLanguage vdl = facesContext.getApplication().
                  getViewHandler().getViewDeclarationLanguage(
                      facesContext, facesContext.getViewRoot().getViewId());
              
              Map<String, Object> attributes = new HashMap<String, Object>();
              UIComponent cc = vdl.createComponent(facesContext, 
                  "http://java.sun.com/jsf/composite/testComposite", 
                  "dynComp_3", attributes);
              UIOutput text = (UIOutput) facesContext.getApplication().
                  createComponent(UIOutput.COMPONENT_TYPE);
              text.setValue("Dynamically added header");
              cc.getChildren().add(text);
              panel.getChildren().add(cc);
  
              if (!facesContext.isPostback())
              {
                  // Store something into the state
                  panel.getAttributes().put("attr1", "value1");
                  panel.getChildren().get(0).getAttributes().put("attr2", "value2");
              }
              else
              {
                  //Try to mess the state, in theory it should not have effect
                  panel.getAttributes().remove("attr1");
                  panel.getChildren().get(0).getAttributes().remove("attr2");
              }
          }
          return panel;
      }
      
      public void setPanel(UIPanel panel)
      {
          this.panel = panel;
      }
  }