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1
25 package org.snipsnap.render.macro.list;
26
27 import org.radeox.util.i18n.ResourceManager;
28
29 import java.io.IOException  ;
30 import java.io.Writer ;
31 import java.text.CollationKey ;
32 import java.text.Collator ;
33 import java.util.Collection ;
34 import java.util.Iterator ;
35 import java.util.Map ;
36 import java.util.TreeMap ;
37
38
44 public class CollationListFormatter implements ListFormatter {
45 public String getName() {
46 return "collator";
47 }
48
49 private String removeParents(String name) {
50 int index = name.lastIndexOf("/");
51 if (-1 == index) {
52 return name;
53 } else if (name.length() == index + 1) {
54 return name.substring(0, index);
55 } else {
56 return name.substring(index + 1);
57 }
58 }
59
60
64 public void format(Writer writer, Linkable current, String listComment, Collection c, String emptyText, boolean showSize)
65 throws IOException {
66 Collator collator = Collator.getInstance(ResourceManager.getLocale("radeox_messages"));
67
68 if (c.size() > 0) {
69 Iterator it = c.iterator();
70 Map atozMap = new TreeMap ();
71 while (it.hasNext()) {
72 Object object = it.next();
73 String name, indexChar;
74
75 if (object instanceof Nameable) {
76 name = ((Nameable) object).getName();
77 } else {
78 name = object.toString();
79 }
80
81
86 String finalName = removeParents(name);
87 indexChar = finalName.substring(0, 1).toUpperCase();
88 if (object instanceof Linkable) {
89 name = ((Linkable) object).getLink();
90 }
91
92 CollationKey cKey = collator.getCollationKey(indexChar);
93
94 if (!atozMap.containsKey(cKey)) {
95 atozMap.put(cKey, new TreeMap ());
96 }
97 Map list = (Map ) atozMap.get(cKey);
98 list.put(finalName, name);
99 }
100
101 writer.write("<table width=\"100%\" class=\"index-top\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">");
102 writer.write("<colgroup width='5.5%' span='18'/>");
103 Iterator collatorIt = atozMap.keySet().iterator();
104 while (collatorIt.hasNext()) {
105 writer.write("<tr>");
106 for (int i = 0; i < 6 && collatorIt.hasNext(); i++) {
107 CollationKey cKey = (CollationKey ) collatorIt.next();
108 String ch = cKey.getSourceString();
109 writer.write("<th><b> <a HREF=\"");
110 writer.write(current.getLink());
111 writer.write("#idx" + Integer.toHexString(ch.charAt(0)) + "\">");
112 writer.write(ch);
113 writer.write("</a></b></th>");
114 writer.write("<th>...</th><th>");
115 writer.write("" + (atozMap.get(cKey) == null ? 0 : ((Map ) atozMap.get(cKey)).size()));
116 writer.write(" </th>");
117 }
118 writer.write("</tr>");
119 }
120 writer.write("</table>");
121
122 writer.write("<div class=\"list-title\">");
123 writer.write(listComment);
124 if (showSize) {
125 writer.write(" (");
126 writer.write("" + c.size());
127 writer.write(")");
128 }
129 writer.write("</div>");
130 writer.write("<table width=\"100%\" class=\"index\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">");
131 collatorIt = atozMap.keySet().iterator();
132 while (collatorIt.hasNext()) {
133 CollationKey leftKey = (CollationKey ) collatorIt.next();
134 CollationKey rightKey = collatorIt.hasNext() ? (CollationKey ) collatorIt.next() : null;
135
136 insertCharHeader(writer,
137 leftKey.getSourceString(),
138 rightKey != null ? rightKey.getSourceString() : null);
139 addRows(writer,
140 (Map ) atozMap.get(leftKey),
141 rightKey != null ? (Map ) atozMap.get(rightKey) : null);
142 }
143 writer.write("</table>");
144 } else {
145 writer.write(emptyText);
146 }
147 }
148
149 private void addRows(Writer writer, Map listLeft, Map listRight) throws IOException {
150 Iterator leftIt = listLeft != null ? listLeft.values().iterator() : new EmptyIterator();
151 Iterator rightIt = listRight != null ? listRight.values().iterator() : new EmptyIterator();
152
153 while (leftIt.hasNext() || rightIt.hasNext()) {
154 String leftName = (String ) (leftIt != null && leftIt.hasNext() ? leftIt.next() : null);
155 String rightName = (String ) (rightIt != null && rightIt.hasNext() ? rightIt.next() : null);
156 insertRow(writer, leftName, rightName, false);
157 }
158 }
159
160 private void insertCharHeader(Writer writer, String leftHeader, String rightHeader) throws IOException {
161 writer.write("<tr><th>");
162 writer.write("<b><a name=\"idx");
163 writer.write(Integer.toHexString(leftHeader.charAt(0)));
164 writer.write("\"></a>");
165 writer.write(leftHeader);
166 writer.write("</b></th><th> </th><th>");
167 if (null != rightHeader) {
168 writer.write("<b><a name=\"idx");
169 writer.write(Integer.toHexString(rightHeader.charAt(0)));
170 writer.write("\"></a>");
171 writer.write(rightHeader);
172 writer.write("</b>");
173 }
174 writer.write("</th></tr>");
175 }
176
177 private void insertRow(Writer writer, String left, String right, boolean odd) throws IOException {
178 writer.write("<tr><td>");
179 if (left != null) {
180 writer.write(left);
181 }
182 writer.write("</td><td> </td><td>");
183 if (right != null) {
184 writer.write(right);
185 }
186 writer.write("</td></tr>");
187 }
188
189 private class EmptyIterator implements Iterator {
190 public boolean hasNext() {
191 return false;
192 }
193
194 public Object next() {
195 return null;
196 }
197
198 public void remove() {
199 }
200 }
201 }
202 |
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