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1 package fr.improve.struts.taglib.layout;
2
3 import java.util.Iterator  ;
4
5 import javax.servlet.jsp.JspException ;
6 import javax.servlet.jsp.tagext.BodyTagSupport ;
7
8 import org.apache.struts.taglib.html.Constants;
9
10 import fr.improve.struts.taglib.layout.util.LayoutUtils;
11 import fr.improve.struts.taglib.layout.util.TagUtils;
12
13
18 public class TableTag extends BodyTagSupport {
19 protected String name = Constants.BEAN_KEY;
20 protected String property;
21 protected String id;
22 protected String indexId;
23
24 protected String width;
25 protected String align;
26 protected int col = 2;
27
28 protected Iterator iterator = null;
29 protected int index = 0;
30 public int doAfterBody() throws JspException {
31
32 if (bodyContent != null) {
34 TagUtils.writePrevious(pageContext, "<td>");
35 TagUtils.writePrevious(pageContext, bodyContent.getString());
36 TagUtils.writePrevious(pageContext, "</td>");
37 if (index % col == 0) TagUtils.writePrevious(pageContext, "</tr><tr>");
38 bodyContent.clearBody();
39 }
40
41 if (iterator.hasNext()) {
43 Object element = iterator.next();
44 if (element == null)
45 pageContext.removeAttribute(id);
46 else
47 pageContext.setAttribute(id, element);
48 index++;
49 if (indexId != null)
50 pageContext.setAttribute(indexId, new Integer (index));
51 return (EVAL_BODY_TAG);
52 } else
53 return (SKIP_BODY);
54
55 }
56 public int doEndTag() throws JspException {
57 TagUtils.write(pageContext,"</tr></table>");
58 return EVAL_PAGE;
59 }
60 public int doStartTag() throws JspException {
61 Object collection = LayoutUtils.getBeanFromPageContext(pageContext, name, property);
62 iterator = LayoutUtils.getIterator(collection);
63
64 if (iterator.hasNext()) {
65 Object element = iterator.next();
66 if (element == null)
67 pageContext.removeAttribute(id);
68 else
69 pageContext.setAttribute(id, element);
70 index++;
71 if (indexId != null)
72 pageContext.setAttribute(indexId, new Integer (index));
73
74 StringBuffer sb = new StringBuffer ();
75 sb.append("<table border=\"0\"");
76 if (width!=null) {
77 sb.append(" width=\"");
78 sb.append(width);
79 sb.append("\"");
80 }
81 if (align!=null) {
82 sb.append(" align=\"");
83 sb.append(align);
84 sb.append("\"");
85 }
86 sb.append("><tr>");
87 TagUtils.write(pageContext,sb.toString());
88 return EVAL_BODY_TAG;
89 }
90 return SKIP_BODY;
91 }
92
96 public java.lang.String getAlign() {
97 return align;
98 }
99
103 public java.lang.String getId() {
104 return id;
105 }
106
110 public java.lang.String getIndexId() {
111 return indexId;
112 }
113
117 public java.lang.String getName() {
118 return name;
119 }
120
124 public java.lang.String getProperty() {
125 return property;
126 }
127
131 public java.lang.String getWidth() {
132 return width;
133 }
134 public void release() {
135 name = Constants.BEAN_KEY;
136 property = null;
137 id = null;
138 indexId = null;
139
140 width = null;
141 align = null;
142 col = 2;
143
144 iterator = null;
145 index = 0;
146 }
147
151 public void setAlign(java.lang.String newAlign) {
152 align = newAlign;
153 }
154 public void setCol(String col) throws JspException {
155 try {
156 this.col = Integer.parseInt(col);
157 if (this.col<1) throw new Exception ();
158 } catch (Exception e) {
159 throw new JspException ("Invalid attribute for TableTag: row most be a positive integer");
160 }
161
162 }
163
167 public void setId(java.lang.String newId) {
168 id = newId;
169 }
170
174 public void setIndexId(java.lang.String newIndexId) {
175 indexId = newIndexId;
176 }
177
181 public void setName(java.lang.String newName) {
182 name = newName;
183 }
184
188 public void setProperty(java.lang.String newProperty) {
189 property = newProperty;
190 }
191
195 public void setWidth(java.lang.String newWidth) {
196 width = newWidth;
197 }
198 }
199 |
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