001
014
015 package com.liferay.portlet.wiki.engines.antlrwiki.translator;
016
017 import com.liferay.portal.kernel.log.Log;
018 import com.liferay.portal.kernel.log.LogFactoryUtil;
019 import com.liferay.portal.kernel.util.ArrayUtil;
020 import com.liferay.portal.kernel.util.HtmlUtil;
021 import com.liferay.portal.kernel.util.StringBundler;
022 import com.liferay.portal.kernel.util.StringPool;
023 import com.liferay.portal.kernel.util.StringUtil;
024 import com.liferay.portal.kernel.util.TreeNode;
025 import com.liferay.portal.parsers.creole.ast.CollectionNode;
026 import com.liferay.portal.parsers.creole.ast.HeadingNode;
027 import com.liferay.portal.parsers.creole.ast.ImageNode;
028 import com.liferay.portal.parsers.creole.ast.WikiPageNode;
029 import com.liferay.portal.parsers.creole.ast.extension.TableOfContentsNode;
030 import com.liferay.portal.parsers.creole.ast.link.LinkNode;
031 import com.liferay.portal.parsers.creole.visitor.impl.XhtmlTranslationVisitor;
032 import com.liferay.portlet.wiki.NoSuchPageException;
033 import com.liferay.portlet.wiki.engines.antlrwiki.translator.internal.UnformattedHeadingTextVisitor;
034 import com.liferay.portlet.wiki.engines.antlrwiki.translator.internal.UnformattedLinksTextVisitor;
035 import com.liferay.portlet.wiki.model.WikiPage;
036 import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;
037
038 import java.util.List;
039
040 import javax.portlet.PortletURL;
041
042
045 public class XhtmlTranslator extends XhtmlTranslationVisitor {
046
047 public String translate(
048 WikiPage page, PortletURL viewPageURL, PortletURL editPageURL,
049 String attachmentURLPrefix, WikiPageNode wikiPageNode) {
050
051 _page = page;
052 _viewPageURL = viewPageURL;
053 _editPageURL = editPageURL;
054 _attachmentURLPrefix = attachmentURLPrefix;
055 _rootWikiPageNode = wikiPageNode;
056
057 return super.translate(wikiPageNode);
058 }
059
060 @Override
061 public void visit(HeadingNode headingNode) {
062 append("<h");
063 append(headingNode.getLevel());
064
065 String unformattedText = getUnformattedHeadingText(headingNode);
066
067 String markup = getHeadingMarkup(_page.getTitle(), unformattedText);
068
069 append(" id=\"");
070 append(markup);
071 append("\">");
072
073 traverse(headingNode.getChildASTNodes());
074
075 append("<a class=\"hashlink\" href=\"");
076
077 if (_viewPageURL != null) {
078 append(_viewPageURL.toString());
079 }
080
081 append(StringPool.POUND);
082 append(markup);
083 append("\">#</a></h");
084 append(headingNode.getLevel());
085 append(">");
086 }
087
088 @Override
089 public void visit(ImageNode imageNode) {
090 append("<img");
091
092 if (imageNode.hasAltCollectionNode()) {
093 append(" alt=\"");
094
095 CollectionNode altCollectionNode = imageNode.getAltNode();
096
097 traverse(altCollectionNode.getASTNodes());
098
099 append(StringPool.QUOTE);
100 }
101
102 append(" src=\"");
103
104 if (imageNode.isAbsoluteLink()) {
105 append(imageNode.getLink());
106 }
107 else {
108 append(_attachmentURLPrefix);
109 append(imageNode.getLink());
110 }
111
112 append("\" />");
113 }
114
115 @Override
116 public void visit(LinkNode linkNode) {
117 append("<a href=\"");
118
119 appendHref(linkNode);
120
121 append("\">");
122
123 if (linkNode.hasAltCollectionNode()) {
124 CollectionNode altCollectionNode = linkNode.getAltCollectionNode();
125
126 traverse(altCollectionNode.getASTNodes());
127 }
128 else {
129 append(HtmlUtil.escape(linkNode.getLink()));
130 }
131
132 append("</a>");
133 }
134
135 @Override
136 public void visit(TableOfContentsNode tableOfContentsNode) {
137 TableOfContentsVisitor tableOfContentsVisitor =
138 new TableOfContentsVisitor();
139
140 TreeNode<HeadingNode> tableOfContents = tableOfContentsVisitor.compose(
141 _rootWikiPageNode);
142
143 append("<div class=\"toc\">");
144 append("<div class=\"collapsebox\">");
145 append("<h4>Table of Contents");
146 append(StringPool.NBSP);
147 append("<a class=\"toc-trigger\" href=\"javascript:;\">[-]</a></h4>");
148 append("<div class=\"toc-index\">");
149
150 appendTableOfContents(tableOfContents, 1);
151
152 append("</div>");
153 append("</div>");
154 append("</div>");
155 }
156
157 protected void appendAbsoluteHref(LinkNode linkNode) {
158 append(HtmlUtil.escape(linkNode.getLink()));
159 }
160
161 protected void appendHref(LinkNode linkNode) {
162 if (linkNode.getLink() == null) {
163 UnformattedLinksTextVisitor unformattedLinksTextVisitor =
164 new UnformattedLinksTextVisitor();
165
166 linkNode.setLink(
167 unformattedLinksTextVisitor.getUnformattedText(linkNode));
168 }
169
170 if (linkNode.isAbsoluteLink()) {
171 appendAbsoluteHref(linkNode);
172 }
173 else {
174 appendWikiHref(linkNode);
175 }
176 }
177
178 protected void appendTableOfContents(
179 TreeNode<HeadingNode> tableOfContents, int depth) {
180
181 append("<ol>");
182
183 List<TreeNode<HeadingNode>> treeNodes = tableOfContents.getChildNodes();
184
185 if (treeNodes != null) {
186 for (TreeNode<HeadingNode> treeNode : treeNodes) {
187 append("<li class=\"toc-level-");
188 append(depth);
189 append("\">");
190
191 HeadingNode headingNode = treeNode.getValue();
192
193 String content = getUnformattedHeadingText(headingNode);
194
195 append("<a class=\"wikipage\" href=\"");
196
197 if (_viewPageURL != null) {
198 append(_viewPageURL.toString());
199 }
200
201 append(StringPool.POUND);
202 append(getHeadingMarkup(_page.getTitle(), content));
203 append("\">");
204 append(content);
205 append("</a>");
206
207 appendTableOfContents(treeNode, depth + 1);
208
209 append("</li>");
210 }
211 }
212
213 append("</ol>");
214 }
215
216 protected void appendWikiHref(LinkNode linkNode) {
217 WikiPage page = null;
218
219 try {
220 page = WikiPageLocalServiceUtil.getPage(
221 _page.getNodeId(), linkNode.getLink());
222 }
223 catch (NoSuchPageException nspe) {
224 }
225 catch (Exception e) {
226 _log.error(e, e);
227 }
228
229 String attachmentLink = searchLinkInAttachments(linkNode);
230
231 if (attachmentLink != null) {
232
233
234
235 append(_attachmentURLPrefix + attachmentLink);
236
237 return;
238 }
239
240 String pageTitle = linkNode.getLink();
241
242 if ((page != null) && (_viewPageURL != null)) {
243 _viewPageURL.setParameter("title", pageTitle);
244
245 append(_viewPageURL.toString());
246
247 _viewPageURL.setParameter("title", _page.getTitle());
248 }
249 else if (_editPageURL != null) {
250 _editPageURL.setParameter("title", pageTitle);
251
252 append(_editPageURL.toString());
253
254 _editPageURL.setParameter("title", _page.getTitle());
255 }
256 }
257
258 protected String getHeadingMarkup(String prefix, String text) {
259 StringBundler sb = new StringBundler(5);
260
261 sb.append(_HEADING_ANCHOR_PREFIX);
262 sb.append(prefix);
263 sb.append(StringPool.DASH);
264 sb.append(text.trim());
265
266 return StringUtil.replace(
267 sb.toString(), StringPool.SPACE, StringPool.PLUS);
268 }
269
270 protected String getUnformattedHeadingText(HeadingNode headingNode) {
271 UnformattedHeadingTextVisitor unformattedHeadingTextVisitor =
272 new UnformattedHeadingTextVisitor();
273
274 return unformattedHeadingTextVisitor.getUnformattedText(headingNode);
275 }
276
277 protected String searchLinkInAttachments(LinkNode linkNode) {
278 String[] attachments = null;
279
280 try {
281 attachments = _page.getAttachmentsFiles();
282 }
283 catch (Exception e) {
284 return null;
285 }
286
287 String link =
288 StringPool.SLASH + _page.getAttachmentsDir() + StringPool.SLASH +
289 linkNode.getLink();
290
291 if (ArrayUtil.contains(attachments, link)) {
292 int pos = link.lastIndexOf(StringPool.SLASH);
293
294 return link.substring(pos + 1);
295 }
296
297 return null;
298 }
299
300 private static final String _HEADING_ANCHOR_PREFIX = "section-";
301
302 private static Log _log = LogFactoryUtil.getLog(XhtmlTranslator.class);
303
304 private String _attachmentURLPrefix;
305 private PortletURL _editPageURL;
306 private WikiPage _page;
307 private WikiPageNode _rootWikiPageNode;
308 private PortletURL _viewPageURL;
309
310 }