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25 package org.snipsnap.render.macro.list;
26
27 import java.io.IOException  ;
28 import java.io.Writer ;
29 import java.util.Collection ;
30 import java.util.HashMap ;
31 import java.util.Iterator ;
32 import java.util.Map ;
33
34 import java.util.TreeMap ;
35
36
42 public class AtoZListFormatter implements ListFormatter {
43 public String getName() {
44 return "atoz";
45 }
46
47 private String removeParents(String name) {
48 int index = name.lastIndexOf("/");
49 if (-1 == index) {
50 return name;
51 } else if (name.length() == index + 1) {
52 return name.substring(0, index);
53 } else {
54 return name.substring(index + 1);
55 }
56 }
57
58
61 public void format(Writer writer, Linkable current, String listComment, Collection c, String emptyText, boolean showSize)
62 throws IOException {
63 if (c.size() > 0) {
64 Iterator it = c.iterator();
65 Map atozMap = new HashMap ();
66 Map numberRestList = new TreeMap ();
67 Map otherRestList = new TreeMap ();
68 while (it.hasNext()) {
69 Object object = it.next();
70 String name, indexChar;
71 if (object instanceof Nameable) {
72 name = ((Nameable) object).getName();
73 } else {
74 name = object.toString();
75 }
76 String finalName = removeParents(name);
77 indexChar = finalName.substring(0, 1).toUpperCase();
78 if (object instanceof Linkable) {
79 name = ((Linkable) object).getLink();
80 }
81
82 if (indexChar.charAt(0) >= 'A' && indexChar.charAt(0) <= 'Z') {
83 if (!atozMap.containsKey(indexChar)) {
84 atozMap.put(indexChar, new TreeMap ());
85 }
86 Map list = (Map ) atozMap.get(indexChar);
87 list.put(finalName, name);
88 } else if (indexChar.charAt(0) >= '0' && indexChar.charAt(0) <= '9') {
89 numberRestList.put(finalName, name);
90 } else {
91 otherRestList.put(finalName, name);
92 }
93 }
94
95 writer.write("<table width=\"100%\" class=\"index-top\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">");
96 writer.write("<colgroup width='5.5%' span='18'/>");
97 for (int idxChar = 'A'; idxChar <= 'Z';) {
98 writer.write("<tr>");
99 for (int i = 0; i < 6 && idxChar + i <= 'Z'; i++) {
100 String ch = "" + (char) (idxChar + i);
101 writer.write("<th><b> <a HREF=\"");
102 writer.write(current.getLink());
103 writer.write("#idx" + ch + "\">");
104 writer.write(ch);
105 writer.write("</a></b></th>");
106 writer.write("<th>...</th><th>");
107 writer.write("" + (atozMap.get(ch) == null ? 0 : ((Map ) atozMap.get(ch)).size()));
108 writer.write(" </th>");
109 }
110 idxChar += 6;
111 if (idxChar >= 'Z') {
112 writer.write("<th><b> <a HREF=\"");
113 writer.write(current.getLink());
114 writer.write("#idx0-9\">0-9</a></b></th>");
115 writer.write("<th>...</th><th>");
116 writer.write("" + numberRestList.size());
117 writer.write(" </th>");
118 writer.write("<th><b> <a HREF=\"");
119 writer.write(current.getLink());
120 writer.write("#idxAT\">@</a></b></th>");
121 writer.write("<th>...</th><th>");
122 writer.write("" + otherRestList.size());
123 writer.write(" </th>");
124 writer.write("<th></th><th></th><th></th><th></th>");
125 writer.write("<th></th><th></th><th></th><th></th>");
126 }
127 writer.write("</tr>");
128
129 }
130 writer.write("</table>");
131
132 writer.write("<div class=\"list-title\">");
133 writer.write(listComment);
134 if (showSize) {
135 writer.write(" (");
136 writer.write("" + c.size());
137 writer.write(")");
138 }
139 writer.write("</div>");
140 writer.write("<table width=\"100%\" class=\"index\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">");
141 for (int ch = 'A'; ch <= 'Z'; ch += 2) {
142 String left = "" + (char) ch;
143 String right = "" + (char) (ch + 1);
144
145 insertCharHeader(writer, left, right);
146 addRows(writer, (Map ) atozMap.get(left), (Map ) atozMap.get(right));
147 }
148 insertCharHeader(writer, "0-9", "@");
149 addRows(writer, numberRestList, otherRestList);
150 writer.write("</table>");
151 } else {
152 writer.write(emptyText);
153 }
154 }
155
156 private void addRows(Writer writer, Map listLeft, Map listRight) throws IOException {
157 Iterator leftIt = listLeft != null ? listLeft.values().iterator() : new EmptyIterator();
158 Iterator rightIt = listRight != null ? listRight.values().iterator() : new EmptyIterator();
159
160 while (leftIt.hasNext() || rightIt.hasNext()) {
161 String leftName = (String ) (leftIt != null && leftIt.hasNext() ? leftIt.next() : null);
162 String rightName = (String ) (rightIt != null && rightIt.hasNext() ? rightIt.next() : null);
163 insertRow(writer, leftName, rightName, false);
164 }
165 }
166
167 private void insertCharHeader(Writer writer, String leftHeader, String rightHeader) throws IOException {
168 writer.write("<tr><th>");
169 writer.write("<b><a name=\"idx");
170 writer.write("@".equals(leftHeader) ? "AT" : leftHeader);
171 writer.write("\"></a>");
172 writer.write(leftHeader);
173 writer.write("</b></th><th> </th><th>");
174 writer.write("<b><a name=\"idx");
175 writer.write("@".equals(rightHeader) ? "AT" : rightHeader);
176 writer.write("\"></a>");
177 writer.write(rightHeader);
178 writer.write("</b></th></tr>");
179 }
180
181 private void insertRow(Writer writer, String left, String right, boolean odd) throws IOException {
182 writer.write("<tr><td>");
183 if (left != null) {
184 writer.write(left);
185 }
186 writer.write("</td><td> </td><td>");
187 if (right != null) {
188 writer.write(right);
189 }
190 writer.write("</td></tr>");
191 }
192
193 private class EmptyIterator implements Iterator {
194 public boolean hasNext() {
195 return false;
196 }
197
198 public Object next() {
199 return null;
200 }
201
202 public void remove() {
203 }
204 }
205 }
206 |
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