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1   /*
2    * Copyright (c) 2001 - 2005 ivata limited.
3    * All rights reserved.
4    * -----------------------------------------------------------------------------
5    * ivata masks may be redistributed under the GNU General Public
6    * License as published by the Free Software Foundation;
7    * version 2 of the License.
8    *
9    * These programs are free software; you can redistribute them and/or
10   * modify them under the terms of the GNU General Public License
11   * as published by the Free Software Foundation; version 2 of the License.
12   *
13   * These programs are distributed in the hope that they will be useful,
14   * but WITHOUT ANY WARRANTY; without even the implied warranty of
15   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16   *
17   * See the GNU General Public License in the file LICENSE.txt for more
18   * details.
19   *
20   * If you would like a copy of the GNU General Public License write to
21   *
22   * Free Software Foundation, Inc.
23   * 59 Temple Place - Suite 330
24   * Boston, MA 02111-1307, USA.
25   *
26   *
27   * To arrange commercial support and licensing, contact ivata at
28   *                  http://www.ivata.com/contact.jsp
29   * -----------------------------------------------------------------------------
30   * $Log: ClearTag.java,v $
31   * Revision 1.2  2005/04/09 18:04:20  colinmacleod
32   * Changed copyright text to GPL v2 explicitly.
33   *
34   * Revision 1.1  2005/01/06 23:10:05  colinmacleod
35   * Moved up a version number.
36   * Changed copyright notices to 2005.
37   * Updated the documentation:
38   *   - started working on multiproject:site docu.
39   *   - changed the logo.
40   * Added checkstyle and fixed LOADS of style issues.
41   * Added separate thirdparty subproject.
42   * Added struts (in web), util and webgui (in webtheme) from ivata op.
43   *
44   * Revision 1.3  2004/12/31 19:30:58  colinmacleod
45   * Changed isNew attribute on clear button to asNewButton, to make the meaning
46   * clearer.
47   *
48   * Revision 1.2  2004/03/21 21:16:35  colinmacleod
49   * Shortened name to ivata op.
50   *
51   * Revision 1.1.1.1  2004/01/27 20:59:38  colinmacleod
52   * Moved ivata op to SourceForge.
53   *
54   * Revision 1.2  2003/10/16 15:43:03  jano
55   * Fixes problems with building and some problems with splitting to subprojects
56   *
57   * Revision 1.1.1.1  2003/10/13 20:49:23  colin
58   * Restructured portal into subprojects
59   *
60   * Revision 1.2  2003/03/04 18:27:06  colin
61   * set property always to clear (even if it is a new button)
62   *
63   * Revision 1.1  2003/03/03 16:57:12  colin
64   * converted localization to automatic paths
65   * added labels
66   * added mandatory fieldName attribute
67   * -----------------------------------------------------------------------------
68   */
69  package com.ivata.mask.web.tag.html;
70  import javax.servlet.jsp.JspException;
71  /***
72   * <p>
73   * Overridden from <code>SubmitTag</code> for convenience, this tag creates a
74   * submit button with the name <code>new</code> or <code>Clear</code>. If
75   * you set the parameter <code>asNewButton</code> to <code>true</code> then
76   * it will be a <code>new</code> submit.
77   * </p>
78   *
79   * <p>
80   * <b>Tag attributes: </b> <br/><table cellpadding='2' cellspacing='5'
81   * border='0' align='center' width='85%'>
82   * <tr class='TableHeadingColor'>
83   * <th>attribute</th>
84   * <th>reqd.</th>
85   * <th>param. class</th>
86   * <th width='100%'>description</th>
87   * </tr>
88   * <tr>
89   * <td>asNewButton</td>
90   * <td>true</td>
91   * <td><code>boolean</code></td>
92   * <td>If <code>true</code>, then this is a New button. Otherwise a Clear
93   * button is created.</td>
94   * </tr>
95   * </table>
96   * </p>
97   *
98   * <p>
99   * <b>Note: </b> all the tag attributes from {@linkSubmitTag SubmitTag} are
100  * included.
101  * </p>
102  *
103  * @since ivata masks 0.4 (2003-03-01)
104  * @author Colin MacLeod
105  * <a href='mailto:colin.macleod@ivata.com'>colin.macleod@ivata.com</a>
106  * @version $Revision: 1.2 $
107  */
108 public class ClearTag extends SubmitTag {
109     /***
110      * <p>
111      * If <code>true</code>, then this is a New button. Otherwise a Clear
112      * button is created.
113      * </p>
114      */
115     private boolean asNewButton = false;
116     /***
117      * <p>
118      * Overridden to set the value and title strings to the values represented
119      * by the localized keys in this class.
120      * </p>
121      *
122      * @return value returned by superclass method.
123      *
124      * @throws JspException
125      *             if either <code>valueKey</code> or <code>titleKey</code>
126      *             have not been set, or as thrown by superclass method.
127      */
128     public int doStartTag() throws JspException {
129         if (asNewButton) {
130             setFieldName("new");
131         } else {
132             setFieldName("clear");
133         }
134         setProperty("clear");
135         return super.doStartTag();
136     }
137     /***
138      * <p>
139      * If <code>true</code>, then this is a New button. Otherwise a Clear
140      * button is created.
141      * </p>
142      *
143      * @return the current value of asNewButton.
144      */
145     public boolean getAsNewButton() {
146         return asNewButton;
147     }
148     /***
149      * <p>
150      * If <code>true</code>, then this is a New button. Otherwise a Clear
151      * button is created.
152      * </p>
153      *
154      * @param asNewButtonParam
155      *            the new value of asNewButton.
156      */
157     public void setAsNewButton(final boolean asNewButtonParam) {
158         this.asNewButton = asNewButtonParam;
159     }
160 }
161