1   /**
2    * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.wiki.engines.jspwiki.plugin;
24  
25  import com.ecyrd.jspwiki.WikiContext;
26  import com.ecyrd.jspwiki.plugin.PluginException;
27  
28  import com.liferay.portal.kernel.util.StringMaker;
29  import com.liferay.portal.kernel.util.StringPool;
30  import com.liferay.util.PwdGenerator;
31  
32  import java.util.Map;
33  
34  /**
35   * <a href="TableOfContents.java.html"><b><i>View Source</i></b></a>
36   *
37   * <p>
38   * This is a modification of JSPWiki's core TableOfContents plugin for use
39   * within Liferay. This plugin modifies the original behavior by producing
40   * ordered lists and making contents collapsable.
41   * </p>
42   *
43   * @author Alexander Chow
44   *
45   */
46  public class TableOfContents extends com.ecyrd.jspwiki.plugin.TableOfContents {
47  
48      public String execute(WikiContext context, Map params)
49          throws PluginException {
50  
51          if (!params.containsKey(PARAM_NUMBERED)) {
52              params.put(PARAM_NUMBERED, Boolean.TRUE.toString());
53          }
54  
55          String result = super.execute(context, params);
56  
57          int x = result.indexOf("<div class=\"collapsebox\">\n");
58  
59          x = result.indexOf("</h4>", x);
60  
61          int y = x + "</h4>".length();
62  
63          if ((x != -1) && (y != -1)) {
64              String id = "toc_" + PwdGenerator.getPassword();
65  
66              StringMaker sm = new StringMaker();
67  
68              sm.append(result.substring(0, x));
69              sm.append(StringPool.NBSP);
70              sm.append("<span style=\"cursor: pointer;\" ");
71              sm.append("onClick=\"Liferay.Util.toggleByIdSpan(this, '");
72              sm.append(id);
73              sm.append("'); self.focus();\">[");
74              sm.append("<span>-</span>");
75              sm.append("<span style=\"display: none;\">+</span>");
76              sm.append("]</span>\n");
77              sm.append("</h4>");
78  
79              sm.append("<div id=\"");
80              sm.append(id);
81              sm.append("\">\n");
82              sm.append(result.substring(y));
83              sm.append("</div>\n");
84  
85              result = sm.toString();
86          }
87  
88          return result;
89      }
90  
91  }