CCActionTableChildDescriptor


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  
24  package com.sun.enterprise.tools.guiframework.view.descriptors;
25  
26  import com.iplanet.jato.RequestContext;
27  import com.iplanet.jato.RequestManager;
28  import com.iplanet.jato.view.BasicDisplayField;
29  import com.iplanet.jato.view.ContainerView;
30  import com.iplanet.jato.view.DisplayField;
31  import com.iplanet.jato.view.View;
32  
33  import com.sun.enterprise.tools.guiframework.exception.FrameworkException;
34  
35  import com.sun.web.ui.model.CCActionTableModelInterface;
36  
37  
38  /**
39   *  This Descriptor is needed so that children of a CCActionTable can be
40   *  created from the CCActionTable's model rather than directly.
41   */
42  public class CCActionTableChildDescriptor extends DisplayFieldDescriptor {
43  
44      /**
45       *  Constructor
46       */
47      public CCActionTableChildDescriptor(String   name) {
48      super(name);
49      }
50  
51  
52      /**
53       *  This method returns the model associated with this View (it is actually
54       *  obtained from the parent CCActionTableDescriptor).
55       *
56       *  @return CCActionTableModelInterface
57       */
58      protected CCActionTableModelInterface getModel() {
59      // Find the CCActionTable
60      ViewDescriptor viewDesc = getParent();
61      while (viewDesc != null) {
62          if (viewDesc instanceof CCActionTableDescriptor) {
63          break;
64          }
65          viewDesc = viewDesc.getParent();
66      }
67      if (viewDesc == null) {
68          throw new FrameworkException(this.getClass().getName()+
69          " is not contained within a CCActionTableDescriptor!",
70          this, getView(RequestManager.getRequestContext()));
71      }
72      return ((CCActionTableDescriptor)viewDesc).getModel();
73      }
74  
75  
76      /**
77       *  This is a factory method.
78       *
79       *  @param  ctx     The RequestContext
80       *  @param  container   The container for the newly created 
81       *  @param  name        The Name of the View to be created.
82       */
83      public View getInstance(RequestContext ctx, ContainerView container, String   name) {
84      CCActionTableModelInterface model = getModel();
85          if (model != null && model.isChildSupported(name)) {
86          // Create the View
87              View child = model.createChild(container, name);
88              
89              // possibly add some default values in the model from the view desc.
90              if (child instanceof DisplayField) {
91                  DisplayField field = (DisplayField)child;
92  
93          // Set the ModelFieldBinding or BoundName
94          setBoundName(field);
95  
96          // Set the model action for this field
97          String   value = (String  )getParameter("actionValue");
98          if (value != null) {
99              model.setActionValue(name, value);
100         }
101         
102         // Set the model value for this field
103         value = (String  )getParameter("value");
104         if (value != null) {
105             model.setValue(name, value);
106         }
107             }
108             return child;
109         }
110         return null;
111     }
112 }
113
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