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1
29
30 package com.caucho.xtpdoc;
31
32 import com.caucho.config.Config;
33 import com.caucho.vfs.Path;
34
35 import javax.annotation.PostConstruct;
36 import javax.xml.stream.XMLStreamException;
37 import javax.xml.stream.XMLStreamWriter;
38 import java.io.IOException  ;
39 import java.io.PrintWriter ;
40 import java.util.ArrayList ;
41 import java.util.logging.Logger ;
42
43 public class NavigationItem {
44 private static final Logger log
45 = Logger.getLogger(NavigationItem.class.getName());
46
47 private Navigation _navigation;
48 private NavigationItem _parent;
49
50 private String _uri;
51
52 private int _maxDepth = 3;
53 private int _depth;
54 private String _link;
55 private String _title;
56 private String _product;
57 private Document _document;
58 private String _description;
59 private ContentItem _fullDescription;
60 private boolean _atocDescend;
61 private Navigation _child;
62 private ArrayList <NavigationItem> _items = new ArrayList <NavigationItem>();
63
64 public NavigationItem(Navigation navigation,
65 NavigationItem parent,
66 int depth)
67 {
68 _navigation = navigation;
69 _parent = parent;
70
71 _document = navigation.getDocument();
72 _depth = depth;
73 }
74
75 public Navigation getNavigation()
76 {
77 return _navigation;
78 }
79
80 NavigationItem getParent()
81 {
82 return _parent;
83 }
84
85 void setParent(NavigationItem parent)
86 {
87 _parent = parent;
88 }
89
90 NavigationItem getPrevious()
91 {
92 NavigationItem parent = getParent();
93
94 if (parent != null) {
95 int p = parent._items.indexOf(this);
96
97 if (p > 0) {
98 NavigationItem ptr = _parent._items.get(p - 1);
99
100 while (ptr != null && ptr._items.size() > 0) {
101 ptr = ptr._items.get(ptr._items.size() - 1);
102 }
103
104 return ptr;
105 }
106 else
107 return parent;
108 }
109
110 return null;
111 }
112
113 NavigationItem getNext()
114 {
115 NavigationItem ptr = this;
116 NavigationItem child = null;
117
118 while (ptr != null) {
119 int p = ptr._items.indexOf(child);
120
121 if (p < 0 && ptr._items.size() > 0)
122 return ptr._items.get(0);
123 else if (p + 1 < ptr._items.size())
124 return ptr._items.get(p + 1);
125
126 child = ptr;
127 ptr = ptr.getParent();
128 }
129
130 return null;
131 }
132
133 ArrayList <NavigationItem> getChildren()
134 {
135 return _items;
136 }
137
138 void addChildren(ArrayList <NavigationItem> children)
139 {
140 _items.addAll(children);
141 }
142
143 String getUri()
144 {
145 return _uri;
146 }
147
148 protected void initSummary()
149 {
150 if (_child != null || _fullDescription != null)
151 return;
152
153 Path rootPath = _document.getDocumentPath().getParent();
154
155 if (_uri != null) {
156 Path linkPath = _document.getRealPath(_uri);
157
158
160 if (linkPath.exists()) {
161 Config config = new Config();
162
163 try {
164 config.configure(_document, linkPath);
165
166 if (_document.getHeader() != null)
167 _fullDescription = _document.getHeader().getDescription();
168 else
169 _fullDescription = new Description(_document);
170 } catch (NullPointerException e) {
171 log.info("error configuring " + linkPath + ": " + e);
172 } catch (Exception e) {
173 log.info("error configuring " + linkPath + ": " + e);
174 }
175
176 if (_atocDescend) {
177 Path linkRoot = linkPath.getParent();
178
179 if (linkRoot.equals(_navigation.getRootPath().getParent()))
180 return;
181
182 Path subToc = linkPath.getParent().lookup("toc.xml");
183
184 if (subToc.exists()) {
185 _child = new Navigation(_navigation,
186 _uri,
187 linkRoot,
188 _depth + 1);
189
190 try {
191 config.configure(_child, subToc);
192 } catch (Exception e) {
193 log.info("Failed to configure " + subToc + ": " + e);
194 }
195 } else {
196 log.info(subToc + " does not exist!");
197 }
198 }
199 }
200 }
201 }
202
203
210
211 public void setATOCDescend(boolean atocDescend)
212 {
213 _atocDescend = atocDescend;
214 }
215
216 public void setLink(String link)
217 {
218 _link = link;
219 _uri = _navigation.getUri() + link;
220 }
221
222 public String getLink()
223 {
224 return _link;
225 }
226
227 public void setTitle(String title)
228 {
229 _title = title;
230 }
231
232 public void setDescription(String description)
233 {
234 _description = description;
235 }
236
237 public void setProduct(String product)
238 {
239 _product = product;
240 }
241
242 public NavigationItem createItem()
243 {
244 NavigationItem item = new NavigationItem(_navigation, this, _depth + 1);
245 _items.add(item);
246 return item;
247 }
248
249 @PostConstruct
250 public void init()
251 {
252 _navigation.putItem(_navigation.getUri() + _link, this);
253 }
254
255 public void writeHtml(XMLStreamWriter out, String path)
256 throws XMLStreamException
257 {
258 initSummary();
259
260 out.writeStartElement("dl");
261 out.writeAttribute("class", "atoc-top");
262
263 for (NavigationItem item : _items)
264 item.writeHtmlImpl(out, path, 0, 0, 3);
265
266 out.writeEndElement();
267 }
268
269 public void writeHtml(XMLStreamWriter out, String path,
270 int depth, int styleDepth, int maxDepth)
271 throws XMLStreamException
272 {
273 if (depth + styleDepth <= 1)
274 initSummary();
275
276 for (NavigationItem item : _items)
277 item.writeHtmlImpl(out, path, depth, styleDepth, maxDepth);
278 }
279
280 protected void writeHtmlImpl(XMLStreamWriter out, String path,
281 int depth,
282 int styleDepth, int maxDepth)
283 throws XMLStreamException
284 {
285 if (maxDepth <= depth)
286 return;
287
288 if (depth + styleDepth <= 1)
289 initSummary();
290
291 if (_child != null && depth + 1 < maxDepth)
292 _child.initSummary();
293
294 if (depth <= 1) {
295 out.writeStartElement("h2");
296 out.writeAttribute("class", "section");
297
298 if (_link != null) {
299 out.writeStartElement("a");
300 out.writeAttribute("href", path + _link);
301 out.writeCharacters(_title);
302 out.writeEndElement(); }
304 else
305 out.writeCharacters(_title);
306
307 out.writeEndElement();
308 }
309 else {
310 out.writeStartElement("dt");
311
312 out.writeStartElement("b");
313
314 if (_link != null) {
315 out.writeStartElement("a");
316 out.writeAttribute("href", path + _link);
317 out.writeCharacters(_title);
318 out.writeEndElement(); }
320
321 out.writeEndElement();
323 if (_fullDescription != null && depth + styleDepth <= 1) {
324 }
325 else if (_description != null && depth > 1) {
326 out.writeCharacters(" - ");
327 out.writeCharacters(_description);
328 }
329
330 out.writeEndElement(); }
332
333 out.writeStartElement("dd");
334
335 if (_fullDescription != null && depth + styleDepth <= 1) {
337 out.writeStartElement("p");
338 _fullDescription.writeHtml(out);
339 out.writeEndElement(); }
341
342 if (_link != null) {
343 int p = _link.lastIndexOf('/');
344 String tail;
345 if (p >= 0)
346 tail = path + _link.substring(0, p + 1);
347 else
348 tail = path;
349
350 String depthString = (depth == 0) ? "top" : ("" + depth);
351 boolean hasDL = false;
352
353 if (_child != null || _items.size() > 0) {
354 out.writeStartElement("dl");
355 out.writeAttribute("class", "atoc-" + (depth + 1));
356
357 if (_child != null)
358 _child.writeHtml(out, tail, depth + 1, styleDepth, maxDepth);
359 else {
360 for (NavigationItem item : _items)
361 item.writeHtmlImpl(out, tail, depth + 1, styleDepth, maxDepth);
362 }
363 out.writeEndElement();
364 }
365 }
366
367 out.writeEndElement(); }
369
370 public void writeLeftNav(XMLStreamWriter out)
371 throws XMLStreamException
372 {
373 if (_parent != null) {
374 _parent.writeLeftNav(out);
375 }
376 else {
377 writeLeftNavItem(out);
378 }
379
380 if (_items.size() > 0) {
381 out.writeEmptyElement("hr");
382
383 for (NavigationItem item : _items) {
384 item.writeLeftNavItem(out);
385 }
386 }
387 }
388
389 public void writeLeftNavItem(XMLStreamWriter out)
390 throws XMLStreamException
391 {
392 out.writeStartElement("a");
393 out.writeAttribute("href", _uri);
394 out.writeAttribute("class", "leftnav");
395 out.writeCharacters(_title);
396 out.writeEndElement();
398 out.writeEmptyElement("br");
399 }
400
401 public void writeLink(XMLStreamWriter out)
402 throws XMLStreamException
403 {
404 out.writeStartElement("a");
405 out.writeAttribute("href", _uri);
406 out.writeCharacters(_title);
407 out.writeEndElement(); }
409
410 public void writeLaTeX(PrintWriter writer)
411 throws IOException
412 {
413 }
414 }
415 |
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