View Javadoc

1   /*
2    * Copyright 2004-2009 the Seasar Foundation and the Others.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.cubby.tags;
17  
18  import static org.seasar.cubby.tags.TagUtils.addCSSClassName;
19  import static org.seasar.cubby.tags.TagUtils.errors;
20  import static org.seasar.cubby.tags.TagUtils.formValue;
21  import static org.seasar.cubby.tags.TagUtils.getFormWrapper;
22  import static org.seasar.cubby.tags.TagUtils.toAttr;
23  
24  import java.io.IOException;
25  import java.util.Map;
26  
27  import javax.servlet.jsp.JspContext;
28  import javax.servlet.jsp.JspException;
29  import javax.servlet.jsp.JspWriter;
30  
31  import org.seasar.cubby.action.ActionErrors;
32  import org.seasar.cubby.controller.FormWrapper;
33  
34  /**
35   * <code>&lt;textarea&gt;</code> タグを出力します。
36   * 
37   * @author agata
38   * @author baba
39   */
40  public class TextareaTag extends DynamicAttributesSimpleTagSupport {
41  
42  	/** <code>name</code> 属性。 */
43  	private String name;
44  
45  	/** <code>value</code> 属性。 */
46  	private Object value;
47  
48  	/** <code>index</code> 属性。 */
49  	private Integer index;
50  
51  	/**
52  	 * <code>name</code> 属性を設定します。
53  	 * 
54  	 * @param name
55  	 *            <code>name</code> 属性
56  	 */
57  	public void setName(final String name) {
58  		this.name = name;
59  	}
60  
61  	/**
62  	 * <code>value</code> 属性を設定します。
63  	 * 
64  	 * @param value
65  	 *            <code>value</code> 属性
66  	 */
67  	public void setValue(final Object value) {
68  		this.value = value;
69  	}
70  
71  	/**
72  	 * <code>index</code> 属性を設定します。
73  	 * 
74  	 * @param index
75  	 *            <code>index</code> 属性
76  	 */
77  	public void setIndex(final Integer index) {
78  		this.index = index;
79  	}
80  
81  	/**
82  	 * {@inheritDoc}
83  	 */
84  	@Override
85  	public void doTag() throws JspException, IOException {
86  		final JspContext context = this.getJspContext();
87  		final JspWriter out = context.getOut();
88  		final ActionErrors errors = errors(context);
89  		final Map<String, Object> dyn = this.getDynamicAttributes();
90  		final FormWrapper formWrapper = getFormWrapper(this);
91  
92  		if (this.index == null) {
93  			if (!errors.getFields().get(this.name).isEmpty()) {
94  				addCSSClassName(dyn, "fieldError");
95  			}
96  		} else {
97  			if (!errors.getIndexedFields().get(this.name).get(this.index)
98  					.isEmpty()) {
99  				addCSSClassName(dyn, "fieldError");
100 			}
101 		}
102 		final Object value = formValue(context, formWrapper, this.name,
103 				this.index, this.value);
104 
105 		out.write("<textarea name=\"");
106 		out.write(this.name);
107 		out.write("\" ");
108 		out.write(toAttr(dyn));
109 		out.write(">");
110 		out.write(CubbyFunctions.out(value));
111 		out.write("</textarea>");
112 	}
113 }