001 // This file is part of the Attempto Java Packages.
002 // Copyright 2008, Attempto Group, University of Zurich (see http://attempto.ifi.uzh.ch).
003 //
004 // The Attempto Java Packages is free software: you can redistribute it and/or modify it under the
005 // terms of the GNU Lesser General Public License as published by the Free Software Foundation,
006 // either version 3 of the License, or (at your option) any later version.
007 //
008 // The Attempto Java Packages is distributed in the hope that it will be useful, but WITHOUT ANY
009 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
010 // PURPOSE. See the GNU Lesser General Public License for more details.
011 //
012 // You should have received a copy of the GNU Lesser General Public License along with the Attempto
013 // Java Packages. If not, see http://www.gnu.org/licenses/.
014
015 package ch.uzh.ifi.attempto.acewiki.gui.page;
016
017 import java.util.ArrayList;
018 import java.util.Collections;
019 import java.util.Comparator;
020
021 import nextapp.echo2.app.Color;
022 import nextapp.echo2.app.Column;
023 import nextapp.echo2.app.Extent;
024 import nextapp.echo2.app.Font;
025 import nextapp.echo2.app.Insets;
026 import nextapp.echo2.app.Row;
027 import nextapp.echo2.app.event.ActionEvent;
028 import nextapp.echo2.app.event.ActionListener;
029 import ch.uzh.ifi.attempto.acewiki.Wiki;
030 import ch.uzh.ifi.attempto.acewiki.core.ontology.OntologyElement;
031 import ch.uzh.ifi.attempto.acewiki.gui.ListItem;
032 import ch.uzh.ifi.attempto.acewiki.gui.Title;
033 import ch.uzh.ifi.attempto.acewiki.gui.WikiLink;
034 import ch.uzh.ifi.attempto.echocomp.Label;
035 import ch.uzh.ifi.attempto.echocomp.SolidLabel;
036 import ch.uzh.ifi.attempto.echocomp.Style;
037 import ch.uzh.ifi.attempto.echocomp.VSpace;
038
039 /**
040 * This class represents the start page of a wiki.
041 *
042 * @author Tobias Kuhn
043 */
044 public class StartPage extends WikiPage implements ActionListener {
045
046 private static final long serialVersionUID = -1528040616289818728L;
047
048 private Column linksColumn = new Column();
049
050 /**
051 * Creates a new start page.
052 *
053 * @param wiki The wiki instance.
054 * @param title The title of the wiki.
055 * @param description The description of the wiki.
056 */
057 public StartPage(Wiki wiki, String title, String description) {
058 super(wiki, new Title(( title == null || title.length() == 0 ? "Untitled Wiki" : title ), true) );
059
060 addSelectedTab("Main Page");
061 addTab("Index", this);
062 addTab("Search", this);
063
064 add(new VSpace(10));
065
066 if (description != null && description.length() > 0) {
067 addHeadline("Description");
068 Row desc = new Row();
069 desc.setInsets(new Insets(10, 10, 0, 15));
070 desc.add(new Label(description, Font.ITALIC));
071 add(desc);
072 }
073
074 addHeadline("Largest Articles");
075 linksColumn.setInsets(new Insets(10, 10, 0, 15));
076 add(linksColumn);
077
078 add(new VSpace(20));
079 addHorizontalLine();
080
081 Row footer = new Row();
082 footer.setInsets(new Insets(10, 10, 0, 20));
083 String vers = Wiki.getInfo("acewiki-version");
084 String stage = Wiki.getInfo("acewiki-release-stage");
085 String dev = Wiki.getInfo("acewiki-developer");
086 String date = Wiki.getInfo("acewiki-build-date");
087 SolidLabel footerLabel = new SolidLabel("AceWiki " + vers + " (" + stage + "), " + dev + ", " + date, Font.ITALIC);
088 footerLabel.setFont(new Font(Style.fontTypeface, Font.ITALIC, new Extent(10)));
089 footerLabel.setForeground(Color.DARKGRAY);
090 footer.add(footerLabel);
091 add(footer);
092 }
093
094 protected void doUpdate() {
095 linksColumn.removeAll();
096 ArrayList<OntologyElement> elements = new ArrayList<OntologyElement>(getWiki().getOntology().getOntologyElements());
097 Collections.sort(elements,
098 new Comparator<OntologyElement>() {
099 public int compare(OntologyElement oe1, OntologyElement oe2) {
100 return oe2.getSentences().size() - oe1.getSentences().size();
101 }
102 }
103 );
104 int max = (elements.size() > 10 ? 10 : elements.size());
105 for (int i = 0; i < max; i++) {
106 Row r = new Row();
107 r.add(new ListItem(new WikiLink(elements.get(i), getWiki())));
108 linksColumn.add(r);
109 }
110 }
111
112 public void actionPerformed(ActionEvent e) {
113 if ("Index".equals(e.getActionCommand())) {
114 getWiki().showIndexPage();
115 } else if ("Search".equals(e.getActionCommand())) {
116 getWiki().showSearchPage();
117 }
118 }
119
120 public boolean equals(Object obj) {
121 return obj instanceof StartPage;
122 }
123
124 public String toString() {
125 return "-MAIN-";
126 }
127
128 }