/*
    * 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 javax.faces.bean.ManagedBean;
  import javax.faces.bean.RequestScoped;
  import javax.faces.component.UIOutput;
  import javax.faces.component.UIPanel;
  import javax.faces.component.html.HtmlPanelGroup;
  import javax.faces.context.FacesContext;
  
  /**
   *
   * @author Leonardo Uribe
   */
  @ManagedBean(name="componentBindingBean")
  @RequestScoped
  public class ComponentBindingBean
  {
      private UIPanel panel;
      
      public UIPanel getPanel()
      {
          if (panel == null)
          {
              panel = new HtmlPanelGroup();
              if (FacesContext.getCurrentInstance().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);
              if (!FacesContext.getCurrentInstance().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;
      }
  }