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1   /*
2    * $Id: CancelTag.java 376841 2006-02-10 21:01:28Z husted $
3    *
4    * Copyright 1999-2004 The Apache Software Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * 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, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.struts.taglib.html;
19  
20  import javax.servlet.jsp.JspException;
21  
22  /***
23   * Tag for input fields of type "cancel".
24   *
25   * @version $Rev: 376841 $ $Date: 2004-10-17 02:40:12 -0400 (Sun, 17 Oct 2004)
26   *          $
27   */
28  public class CancelTag extends SubmitTag {
29      // --------------------------------------------------------- Constructor
30      public CancelTag() {
31          super();
32          property = Constants.CANCEL_PROPERTY;
33      }
34  
35      // ------------------------------------------------------------- Properties
36  
37      /***
38       * Returns the onClick event handler.
39       */
40      public String getOnclick() {
41          return (super.getOnclick() == null) ? "bCancel=true;" : super
42          .getOnclick();
43      }
44  
45      // --------------------------------------------------------- Protected Methods
46  
47      /***
48       * Render the opening element.
49       *
50       * @return The opening part of the element.
51       */
52      protected String getElementOpen() {
53          return "<input type=\"submit\"";
54      }
55  
56      /***
57       * Prepare the name element
58       *
59       * @return The element name.
60       */
61      protected String prepareName()
62          throws JspException {
63          return property;
64      }
65  
66      /***
67       * Return the default value.
68       *
69       * @return The default value if none supplied.
70       */
71      protected String getDefaultValue() {
72          return "Cancel";
73      }
74  
75      /***
76       * Release any acquired resources.
77       */
78      public void release() {
79          super.release();
80          property = Constants.CANCEL_PROPERTY;
81      }
82  }