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    1   /*
    2    * $Id: CancelTag.java 471754 2006-11-06 14:55:09Z husted $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
    10   * with the License.  You may obtain a copy of the License at
    11   *
    12   *  http://www.apache.org/licenses/LICENSE-2.0
    13   *
    14   * Unless required by applicable law or agreed to in writing,
    15   * software distributed under the License is distributed on an
    16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    17   * KIND, either express or implied.  See the License for the
    18   * specific language governing permissions and limitations
    19   * under the License.
    20   */
    21  package org.apache.struts.taglib.html;
    22
    23  import javax.servlet.jsp.JspException;
    24
    25  /**
    26   * Tag for input fields of type "cancel".
    27   *
    28   * @version $Rev: 471754 $ $Date: 2004-10-17 02:40:12 -0400 (Sun, 17 Oct 2004)
    29   *          $
    30   */
    31  public class CancelTag extends SubmitTag {
    32      // --------------------------------------------------------- Constructor
    33      public CancelTag() {
    34          super();
    35          property = Constants.CANCEL_PROPERTY;
    36      }
    37
    38      // ------------------------------------------------------------- Properties
    39
    40      /**
    41       * Returns the onClick event handler.
    42       */
    43      public String getOnclick() {
    44          return (super.getOnclick() == null) ? "bCancel=true;" : super
    45          .getOnclick();
    46      }
    47
    48      // --------------------------------------------------------- Protected Methods
    49
    50      /**
    51       * Render the opening element.
    52       *
    53       * @return The opening part of the element.
    54       */
    55      protected String getElementOpen() {
    56          return "<input type=\"submit\"";
    57      }
    58
    59      /**
    60       * Prepare the name element
    61       *
    62       * @return The element name.
    63       */
    64      protected String prepareName()
    65          throws JspException {
    66          return property;
    67      }
    68
    69      /**
    70       * Return the default value.
    71       *
    72       * @return The default value if none supplied.
    73       */
    74      protected String getDefaultValue() {
    75          return "Cancel";
    76      }
    77
    78      /**
    79       * Release any acquired resources.
    80       */
    81      public void release() {
    82          super.release();
    83          property = Constants.CANCEL_PROPERTY;
    84      }
    85  }