View Javadoc

1   /*
2    * $Id: TextArea.java 651946 2008-04-27 13:41:38Z apetrelli $
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  
22  package org.apache.struts2.components;
23  
24  import javax.servlet.http.HttpServletRequest;
25  import javax.servlet.http.HttpServletResponse;
26  
27  import org.apache.struts2.views.annotations.StrutsTag;
28  import org.apache.struts2.views.annotations.StrutsTagAttribute;
29  
30  import com.opensymphony.xwork2.util.ValueStack;
31  
32  /***
33   * <!-- START SNIPPET: javadoc -->
34   * Render HTML textarea tag.</p>
35   * <!-- END SNIPPET: javadoc -->
36   *
37   * <p/> <b>Examples</b>
38   *
39   * <pre>
40   * <!-- START SNIPPET: example -->
41   * &lt;s:textarea label="Comments" name="comments" cols="30" rows="8"/&gt;
42   * <!-- END SNIPPET: example -->
43   * </pre>
44   *
45   * @see TabbedPanel
46   *
47   */
48  @StrutsTag(
49      name="textarea",
50      tldTagClass="org.apache.struts2.views.jsp.ui.TextareaTag",
51      description="Render HTML textarea tag.",
52      allowDynamicAttributes=true)
53  public class TextArea extends UIBean {
54      final public static String TEMPLATE = "textarea";
55  
56      protected String cols;
57      protected String readonly;
58      protected String rows;
59      protected String wrap;
60  
61      public TextArea(ValueStack stack, HttpServletRequest request, HttpServletResponse response) {
62          super(stack, request, response);
63      }
64  
65      protected String getDefaultTemplate() {
66          return TEMPLATE;
67      }
68  
69      public void evaluateExtraParams() {
70          super.evaluateExtraParams();
71  
72          if (readonly != null) {
73              addParameter("readonly", findValue(readonly, Boolean.class));
74          }
75  
76          if (cols != null) {
77              addParameter("cols", findString(cols));
78          }
79  
80          if (rows != null) {
81              addParameter("rows", findString(rows));
82          }
83  
84          if (wrap != null) {
85              addParameter("wrap", findString(wrap));
86          }
87      }
88  
89      @StrutsTagAttribute(description="HTML cols attribute", type="Integer")
90      public void setCols(String cols) {
91          this.cols = cols;
92      }
93  
94      @StrutsTagAttribute(description="Whether the textarea is readonly", type="Boolean", defaultValue="false")
95      public void setReadonly(String readonly) {
96          this.readonly = readonly;
97      }
98  
99      @StrutsTagAttribute(description="HTML rows attribute", type="Integer")
100     public void setRows(String rows) {
101         this.rows = rows;
102     }
103 
104     @StrutsTagAttribute(description="HTML wrap attribute")
105     public void setWrap(String wrap) {
106         this.wrap = wrap;
107     }
108 }