UIDescriptions


1   /*
2    * Copyright (C) 2005 Alfresco, Inc.
3    *
4    * Licensed under the Mozilla Public License version 1.1 
5    * with a permitted attribution clause. You may obtain a
6    * copy of the License at
7    *
8    *   http://www.alfresco.org/legal/license.txt
9    *
10   * Unless required by applicable law or agreed to in writing,
11   * software distributed under the License is distributed on an
12   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific
14   * language governing permissions and limitations under the
15   * License.
16   */
17  package org.alfresco.web.ui.common.component.description;
18  
19  import javax.faces.context.FacesContext;
20  import javax.faces.el.ValueBinding;
21  
22  import org.alfresco.web.ui.common.component.SelfRenderingComponent;
23  
24  /**
25   * Descriptions component that outputs descriptions held in a backing object
26   * 
27   * @author gavinc
28   */
29  public class UIDescriptions extends SelfRenderingComponent
30  {
31     private Object   value;
32     
33     /**
34      * @return Returns the object holding the decriptions
35      */
36     public Object   getValue()
37     {
38        if (this.value == null)
39        {
40           ValueBinding vb = getValueBinding("value");
41           if (vb != null)
42           {
43              this.value = vb.getValue(getFacesContext());
44           }
45        }
46        
47        return this.value;
48     }
49  
50     /**
51      * @param value Sets the object holding the description
52      */
53     public void setValue(Object   value)
54     {
55        this.value = value;
56     }
57  
58     /**
59      * @see javax.faces.component.UIComponent#getFamily()
60      */
61     public String   getFamily()
62     {
63        return "org.alfresco.faces.Descriptions";
64     }
65  
66     /**
67      * @see javax.faces.component.StateHolder#restoreState(javax.faces.context.FacesContext, java.lang.Object)
68      */
69     public void restoreState(FacesContext context, Object   state)
70     {
71        Object   values[] = (Object  [])state;
72        // standard component attributes are restored by the super class
73        super.restoreState(context, values[0]);
74        this.value = values[1];
75     }
76     
77     /**
78      * @see javax.faces.component.StateHolder#saveState(javax.faces.context.FacesContext)
79      */
80     public Object   saveState(FacesContext context)
81     {
82        Object   values[] = new Object  [2];
83        // standard component attributes are saved by the super class
84        values[0] = super.saveState(context);
85        values[1] = this.value;
86        return (values);
87     }
88  }
89
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