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22
23 package org.meshcms.taglib;
24
25 import java.io.*;
26 import java.util.*;
27 import org.meshcms.core.*;
28 import org.meshcms.util.*;
29
30
33 public final class ListMenu extends AbstractTag {
34 public static final String  ITEMS_ALL = "all";
35 public static final String ITEMS_ON_PATH = "onpath";
36 public static final String ITEMS_FIRST_LEVEL = "firstlevel";
37 public static final String ITEMS_LAST_LEVEL = "lastlevel";
38 public static final String ITEMS_CHILDREN = "children";
39 public static final String ITEMS_INTERMEDIATE_LEVELS = "intermediatelevels";
40 public static final String TEXT = "text";
41 public static final String LINK = "link";
42
43 private String indentation = " ";
44 private String indentBuffer = "";
45
46 private String path;
47 private String items;
48 private String style;
49 private String current;
50 private String currentStyle;
51 private String currentPathStyle;
52 private String allowHiding;
53
54 boolean itemsAll;
55 boolean itemsOnPath;
56 boolean itemsFirstLevel;
57 boolean itemsLastLevel;
58 boolean itemsChildren;
59 boolean itemsIntermediateLevels;
60
61 public void writeTag() throws IOException {
62 if (items == null) {
63 itemsAll = itemsIntermediateLevels = false;
64 itemsOnPath = itemsFirstLevel = itemsLastLevel = itemsChildren = true;
65 } else {
66 StringTokenizer st = new StringTokenizer(items.toLowerCase(), ",;: ");
67
68 while (st.hasMoreTokens()) {
69 String token = st.nextToken();
70
71 if (token.equals(ITEMS_ALL)) {
72 itemsAll = true;
73 } else if (token.equals(ITEMS_CHILDREN)) {
74 itemsChildren = true;
75 } else if (token.equals(ITEMS_FIRST_LEVEL)) {
76 itemsFirstLevel = true;
77 } else if (token.equals(ITEMS_INTERMEDIATE_LEVELS)) {
78 itemsIntermediateLevels = true;
79 } else if (token.equals(ITEMS_LAST_LEVEL)) {
80 itemsLastLevel = true;
81 } else if (token.equals(ITEMS_ON_PATH)) {
82 itemsOnPath = true;
83 }
84 }
85 }
86
87 boolean linkCurrent = current != null && current.equalsIgnoreCase(LINK);
88
89 SiteMap siteMap = webSite.getSiteMap();
90 SiteInfo siteInfo = webSite.getSiteInfo();
91 Path rootPath = (path == null) ? siteInfo.getThemeRoot(pagePath) : new Path(path);
92 Path pathInMenu = webSite.getSiteMap().getPathInMenu(pagePath);
93 int baseLevel = rootPath.getElementCount() + 1;
94 Writer outWriter = getOut();
95 int lastLevel = rootPath.getElementCount();
96 SiteMapIterator iter = new SiteMapIterator(webSite, rootPath);
97 iter.setSkipHiddenSubPages(Utils.isTrue(allowHiding));
98 boolean styleNotApplied = !Utils.isNullOrEmpty(style);
99 int showLastLevel = -1;
100
101 while (iter.hasNext()) {
102 PageInfo current = (PageInfo) iter.next();
103 Path currentPath = current.getPath();
104 int level = Math.max(baseLevel, current.getLevel());
105
106 if ( current.getLevel() <= showLastLevel )
107 showLastLevel = -1;
108
109 if ( siteInfo.getHideSubmenu(currentPath) && showLastLevel == -1 )
110 showLastLevel = current.getLevel();
111
112 boolean add = false;
113
114 if (itemsAll) {
115 add = true;
116 } else {
117 Path parentPath = currentPath.getParent();
118
119 if (parentPath.isRelative() || pathInMenu.isContainedIn(parentPath)) {
120 if (itemsOnPath && pathInMenu.isContainedIn(currentPath)) {
121 add = true;
122 } else if (level <= baseLevel) {
123 add = itemsFirstLevel;
124 } else if (currentPath.getElementCount() == pathInMenu.getElementCount()) {
125 add = itemsLastLevel;
126 } else if (currentPath.getElementCount() > pathInMenu.getElementCount()) {
127 add = itemsChildren;
128 } else {
129 add = itemsIntermediateLevels;
130 }
131 }
132 }
133
134 if (add) {
135 for (int i = lastLevel - 1; i >= level; i--) {
137 writeIndented(outWriter, "</li>", i + 1);
138 writeIndented(outWriter, "</ul>", i);
139 }
140
141 for (int i = lastLevel; i < level; i++) {
143 if (styleNotApplied) {
144 writeIndented(outWriter, "<ul class=\"" + style + "\">", i);
145 styleNotApplied = false;
146 } else {
147 writeIndented(outWriter, "<ul>", i);
148 }
149 writeIndented(outWriter, "<li>", i + 1);
150 }
151
152 if (level <= lastLevel) {
154 writeIndented(outWriter, "</li>", level);
155 writeIndented(outWriter, "<li>", level);
156 }
157
158 if ( current.getLevel() > 0 && pathInMenu.isContainedIn(currentPath)
159 && ! current.getPath().equals(pathInMenu)
160 && ! Utils.isNullOrEmpty(currentPathStyle)) {
161 outWriter.write("<a HREF=\"" + cp + webSite.getLink(current) +
162 "\" class='" + currentPathStyle + "'>" +
163 siteInfo.getPageTitle(current) + "</a>");
164 } else if (current.getPath().equals(pathInMenu)) {
165 if (isEdit || linkCurrent) {
166 if (! Utils.isNullOrEmpty(currentStyle) || ! Utils.isNullOrEmpty(currentPathStyle)) {
167 outWriter.write("<a HREF=\"" + cp + webSite.getLink(current) +
168 "\" class='" + (currentPathStyle+" "+currentStyle).trim() + "'>" +
169 siteInfo.getPageTitle(current) + "</a>");
170 } else {
171 outWriter.write("<a HREF=\"" + cp + webSite.getLink(current) + "\">" +
172 siteInfo.getPageTitle(current) + "</a>");
173 }
174 } else {
175 if (Utils.isNullOrEmpty(currentStyle)) {
176 outWriter.write(siteInfo.getPageTitle(current));
177 } else {
178 outWriter.write("<span class='" + currentStyle + "'>" +
179 siteInfo.getPageTitle(current) + "</span>");
180 }
181 }
182 } else {
183 outWriter.write("<a HREF=\"" + cp + webSite.getLink(current) + "\">" +
184 siteInfo.getPageTitle(current) + "</a>");
185 }
186
187 lastLevel = level;
188 }
189 }
190
191 for (int i = lastLevel - 1; i >= rootPath.getElementCount(); i--) {
192 writeIndented(outWriter, "</li>", i + 1);
193 writeIndented(outWriter, "</ul>", i);
194 }
195 }
196
197 private void writeIndented(Writer w, String s, int level) throws IOException {
198 while (indentBuffer.length() < indentation.length() * level) {
199 indentBuffer += indentation;
200 }
201
202 w.write('\n');
203 w.write(indentBuffer, 0, indentation.length() * level);
204 w.write(s);
205 }
206
207 public String getPath() {
208 return path;
209 }
210
211 public void setPath(String path) {
212 this.path = path;
213 }
214
215 public String getItems() {
216 return items;
217 }
218
219 public void setItems(String items) {
220 this.items = items;
221 }
222
223 public String getStyle() {
224 return style;
225 }
226
227 public void setStyle(String style) {
228 this.style = style;
229 }
230
231 public String getCurrent() {
232 return current;
233 }
234
235 public void setCurrent(String current) {
236 this.current = current;
237 }
238
239 public String getCurrentStyle() {
240 return currentStyle;
241 }
242
243 public void setCurrentStyle(String currentStyle) {
244 this.currentStyle = currentStyle;
245 }
246
247 public String getCurrentPathStyle() {
248 return currentPathStyle;
249 }
250
251 public void setCurrentPathStyle(String currentPathStyle) {
252 this.currentPathStyle = currentPathStyle;
253 }
254 public String getAllowHiding() {
255 return allowHiding;
256 }
257
258 public void setAllowHiding(String allowHiding) {
259 this.allowHiding = allowHiding;
260 }
261 }
262 |
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