001 // This file is part of the Attempto Java Packages. 002 // Copyright 2008-2009, 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.getStatements().size() - oe1.getStatements().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 }