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Java > Open Source Codes > org > opencms > widgets > CmsTextareaWidget


1 /*
2  * File : $Source: /usr/local/cvs/opencms/src/org/opencms/widgets/CmsTextareaWidget.java,v $
3  * Date : $Date: 2006/03/27 14:52:20 $
4  * Version: $Revision: 1.13 $
5  *
6  * This library is part of OpenCms -
7  * the Open Source Content Mananagement System
8  *
9  * Copyright (c) 2005 Alkacon Software GmbH (http://www.alkacon.com)
10  *
11  * This library is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU Lesser General Public
13  * License as published by the Free Software Foundation; either
14  * version 2.1 of the License, or (at your option) any later version.
15  *
16  * This library is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  * Lesser General Public License for more details.
20  *
21  * For further information about Alkacon Software GmbH, please see the
22  * company website: http://www.alkacon.com
23  *
24  * For further information about OpenCms, please see the
25  * project website: http://www.opencms.org
26  *
27  * You should have received a copy of the GNU Lesser General Public
28  * License along with this library; if not, write to the Free Software
29  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30  */
31
32 package org.opencms.widgets;
33
34 import org.opencms.file.CmsObject;
35 import org.opencms.i18n.CmsEncoder;
36
37 /**
38  * Provides a standard HTML form textarea widget, for use on a widget dialog.<p>
39  *
40  * Displays a textarea with 4 rows to enter String values conveniently.<p>
41  *
42  * @author Andreas Zahner
43  *
44  * @version $Revision: 1.13 $
45  *
46  * @since 6.0.0
47  */
48 public class CmsTextareaWidget extends A_CmsWidget {
49
50     /** Default number of rows to display. */
51     private static final int DEFAULT_ROWS_NUMBER = 4;
52
53     /**
54      * Creates a new textarea widget.<p>
55      */
56     public CmsTextareaWidget() {
57
58         // default configuration is to display 4 rows
59 this(DEFAULT_ROWS_NUMBER);
60     }
61
62     /**
63      * Creates a new textarea widget with the given number of rows.<p>
64      *
65      * @param rows the number of rows to display
66      */
67     public CmsTextareaWidget(int rows) {
68
69         super("" + rows);
70     }
71
72     /**
73      * Creates a new textarea widget with the given configuration.<p>
74      *
75      * @param configuration the configuration to use
76      */
77     public CmsTextareaWidget(String JavaDoc configuration) {
78
79         super(configuration);
80     }
81
82     /**
83      * @see org.opencms.widgets.I_CmsWidget#getDialogWidget(org.opencms.file.CmsObject, org.opencms.widgets.I_CmsWidgetDialog, org.opencms.widgets.I_CmsWidgetParameter)
84      */
85     public String JavaDoc getDialogWidget(CmsObject cms, I_CmsWidgetDialog widgetDialog, I_CmsWidgetParameter param) {
86
87         String JavaDoc id = param.getId();
88         StringBuffer JavaDoc result = new StringBuffer JavaDoc(16);
89         int rows = DEFAULT_ROWS_NUMBER;
90         try {
91             rows = new Integer JavaDoc(getConfiguration()).intValue();
92         } catch (Exception JavaDoc e) {
93             // ignore
94 }
95
96         result.append("<td class=\"xmlTd\">");
97         result.append("<textarea class=\"xmlInput maxwidth");
98         if (param.hasError()) {
99             result.append(" xmlInputError");
100         }
101         result.append("\" name=\"");
102         result.append(id);
103         result.append("\" rows=\"");
104         result.append(rows);
105         result.append("\" cols=\"60\" style=\"overflow:auto;\">");
106         result.append(CmsEncoder.escapeXml(param.getStringValue(cms)));
107         result.append("</textarea>");
108         result.append("</td>");
109
110         return result.toString();
111     }
112
113     /**
114      * @see org.opencms.widgets.I_CmsWidget#newInstance()
115      */
116     public I_CmsWidget newInstance() {
117
118         return new CmsTextareaWidget(getConfiguration());
119     }
120
121 }
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