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1   /*
2    * Copyright 2004-2010 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  
17  package org.seasar.cubby.tags;
18  
19  import static org.seasar.cubby.tags.TagUtils.addCSSClassName;
20  import static org.seasar.cubby.tags.TagUtils.errors;
21  import static org.seasar.cubby.tags.TagUtils.formValue;
22  import static org.seasar.cubby.tags.TagUtils.getFormWrapper;
23  import static org.seasar.cubby.tags.TagUtils.toAttr;
24  
25  import java.io.IOException;
26  import java.util.Map;
27  
28  import javax.servlet.jsp.JspContext;
29  import javax.servlet.jsp.JspException;
30  import javax.servlet.jsp.JspWriter;
31  
32  import org.seasar.cubby.action.ActionErrors;
33  import org.seasar.cubby.controller.FormWrapper;
34  
35  /**
36   * <code>&lt;textarea&gt;</code> タグを出力します。
37   * 
38   * @author agata
39   * @author baba
40   */
41  public class TextareaTag extends DynamicAttributesSimpleTagSupport {
42  
43  	/** <code>name</code> 属性。 */
44  	private String name;
45  
46  	/** <code>value</code> 属性。 */
47  	private Object value;
48  
49  	/** <code>index</code> 属性。 */
50  	private Integer index;
51  
52  	/**
53  	 * <code>name</code> 属性を設定します。
54  	 * 
55  	 * @param name
56  	 *            <code>name</code> 属性
57  	 */
58  	public void setName(final String name) {
59  		this.name = name;
60  	}
61  
62  	/**
63  	 * <code>value</code> 属性を設定します。
64  	 * 
65  	 * @param value
66  	 *            <code>value</code> 属性
67  	 */
68  	public void setValue(final Object value) {
69  		this.value = value;
70  	}
71  
72  	/**
73  	 * <code>index</code> 属性を設定します。
74  	 * 
75  	 * @param index
76  	 *            <code>index</code> 属性
77  	 */
78  	public void setIndex(final Integer index) {
79  		this.index = index;
80  	}
81  
82  	/**
83  	 * {@inheritDoc}
84  	 */
85  	@Override
86  	public void doTag() throws JspException, IOException {
87  		final JspContext context = this.getJspContext();
88  		final JspWriter out = context.getOut();
89  		final ActionErrors errors = errors(context);
90  		final Map<String, Object> dyn = this.getDynamicAttributes();
91  		final FormWrapper formWrapper = getFormWrapper(this);
92  
93  		if (this.index == null) {
94  			if (!errors.getFields().get(this.name).isEmpty()) {
95  				addCSSClassName(dyn, "fieldError");
96  			}
97  		} else {
98  			if (!errors.getIndexedFields().get(this.name).get(this.index)
99  					.isEmpty()) {
100 				addCSSClassName(dyn, "fieldError");
101 			}
102 		}
103 		final Object value = formValue(context, formWrapper, this.name,
104 				this.index, this.value);
105 
106 		out.write("<textarea name=\"");
107 		out.write(this.name);
108 		out.write("\" ");
109 		out.write(toAttr(dyn));
110 		out.write(">");
111 		out.write(CubbyFunctions.out(value));
112 		out.write("</textarea>");
113 	}
114 }