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.orchestra.dynaForm.jsf.component.facelets;
20
21 import com.sun.facelets.FaceletContext;
22 import com.sun.facelets.tag.jsf.ComponentConfig;
23 import com.sun.facelets.tag.jsf.ComponentHandler;
24 import org.apache.myfaces.orchestra.dynaForm.jsf.component.DynaForm;
25
26 import javax.faces.component.UIComponent;
27
28 /**
29 * Facelets component-handler class for the DynaForm component.
30 */
31 public class DynaFormHandler extends ComponentHandler
32 {
33 public DynaFormHandler(ComponentConfig tagConfig)
34 {
35 super(tagConfig);
36 }
37
38 @Override
39 protected void onComponentPopulated(FaceletContext ctx, UIComponent c, UIComponent parent)
40 {
41 boolean resetParent = false;
42 DynaForm dynaForm = (DynaForm) c;
43 if (dynaForm.getParent() == null)
44 {
45 resetParent = true;
46 dynaForm.setParent(parent);
47 }
48 try
49 {
50 dynaForm.setELContext(ctx);
51 dynaForm.initView(ctx.getFacesContext());
52 }
53 finally
54 {
55 // ensure no one else will be able to use this ELContext afterwards
56 dynaForm.setELContext(null);
57 if (resetParent)
58 {
59 dynaForm.setParent(null);
60 }
61 }
62 }
63 }