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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.view.facelets.pss.acid.component;
20  
21  import java.util.HashMap;
22  import java.util.Map;
23  import javax.faces.component.FacesComponent;
24  import javax.faces.component.UIComponent;
25  import javax.faces.component.UIComponentBase;
26  import javax.faces.component.UIViewRoot;
27  import javax.faces.context.FacesContext;
28  import javax.faces.event.AbortProcessingException;
29  import javax.faces.event.PreRenderViewEvent;
30  import javax.faces.event.SystemEvent;
31  import javax.faces.event.SystemEventListener;
32  import javax.faces.view.ViewDeclarationLanguage;
33  
34  @FacesComponent(value = "com.myapp.UIAddSimpleCCVDL2", createTag=true, 
35          namespace="http://testcomponent", tagName="addSimpleCCVDL2")
36  public class UIAddSimpleCCVDL2 extends UIComponentBase implements
37          SystemEventListener
38  {
39  
40      //
41      // Constructor
42      //
43  
44      public UIAddSimpleCCVDL2()
45      {
46          setRendererType(null);
47  
48          FacesContext context = FacesContext.getCurrentInstance();
49          UIViewRoot root = context.getViewRoot();
50          if (root != null)
51          {
52              root.subscribeToViewEvent(PreRenderViewEvent.class, this);
53          }
54      }
55  
56      //
57      // Public methods
58      //
59  
60      @Override
61      public String getFamily()
62      {
63  
64          return "com.myapp";
65      }
66  
67      public boolean isListenerForSource(Object source)
68      {
69  
70          return (source instanceof UIViewRoot);
71      }
72  
73      public void processEvent(SystemEvent event) throws AbortProcessingException
74      {
75          FacesContext facesContext = FacesContext.getCurrentInstance();
76          if (!facesContext.isPostback())
77          {
78              ViewDeclarationLanguage vdl = facesContext.getApplication().
79                  getViewHandler().getViewDeclarationLanguage(
80                      facesContext, facesContext.getViewRoot().getViewId());
81  
82              Map<String, Object> attributes = new HashMap<String, Object>();
83              UIComponent component = vdl.createComponent(facesContext, 
84                  "http://java.sun.com/jsf/composite/testComposite", 
85                  "dynComp_1", attributes);
86              
87              Map<String, Object> attributes2 = new HashMap<String, Object>();
88              UIComponent text = (UIComponent) vdl.createComponent(facesContext, 
89                  "http://java.sun.com/jsf/composite/testComposite", 
90                  "dynComp_2", attributes2);
91  
92              component.getFacets().put("header", text);
93              
94              getChildren().add(component);
95          }
96      }
97  }