ImageMapDefinitionBuilder


1   /*
2    * Copyright 1999-2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.cocoon.forms.formmodel;
17  
18  import java.util.Iterator  ;
19  
20  import org.apache.cocoon.forms.FormsConstants;
21  import org.apache.cocoon.forms.event.ActionListener;
22  import org.apache.cocoon.forms.util.DomHelper;
23  import org.w3c.dom.Element  ;
24  
25  /**
26   * Builds {@link ImageMapDefinition}s.
27   * 
28   * @version $Id$
29   * @since 2.1.8
30   */
31  public class ImageMapDefinitionBuilder extends AbstractWidgetDefinitionBuilder {
32      
33      public WidgetDefinition buildWidgetDefinition(Element   widgetElement) throws Exception   {
34          ImageMapDefinition definition = new ImageMapDefinition();
35          setupDefinition(widgetElement, definition);
36          definition.makeImmutable();
37          return definition;
38      }
39      
40      protected void setupDefinition(Element   widgetElement, ImageMapDefinition definition) throws Exception   {
41          super.setupDefinition(widgetElement, definition);
42  
43          setDisplayData(widgetElement, definition);
44  
45          // Get the "command" optional attribute
46          String   actionCommand = DomHelper.getAttribute(widgetElement, ImageMap.COMMAND_AT, null);
47          definition.setActionCommand(actionCommand);
48  
49          Iterator   iter = buildEventListeners(widgetElement, ImageMap.ONACTION_EL, ActionListener.class).iterator();
50          while (iter.hasNext()) {
51              definition.addActionListener((ActionListener)iter.next());
52          }
53  
54          // Sets image map source
55          Element   imageURIEl= DomHelper.getChildElement(widgetElement, FormsConstants.DEFINITION_NS, ImageMap.VALUE_EL);
56          if ( imageURIEl != null ) {
57              definition.setImageURI(DomHelper.getElementText(imageURIEl));
58          } 
59      }
60  }
61
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