source: josm/trunk/src/org/openstreetmap/josm/gui/GettingStarted.java@ 1016

Last change on this file since 1016 was 1016, checked in by stoecker, 17 years ago

added MOTD patch
  • Property svn:eol-style set to native
File size: 6.6 KB
Line 
1// License: GPL. See LICENSE file for details.
2
3package org.openstreetmap.josm.gui;
4
5import static org.openstreetmap.josm.tools.I18n.tr;
6
7import java.io.IOException;
8import java.util.regex.Matcher;
9import java.util.regex.Pattern;
10
11import java.awt.BorderLayout;
12
13import javax.swing.JScrollPane;
14import javax.swing.JEditorPane;
15import javax.swing.JPanel;
16import javax.swing.event.HyperlinkEvent;
17import javax.swing.event.HyperlinkListener;
18import javax.swing.border.EmptyBorder;
19
20import org.openstreetmap.josm.Main;
21import org.openstreetmap.josm.tools.OpenBrowser;
22import org.openstreetmap.josm.tools.WikiReader;
23import org.openstreetmap.josm.actions.AboutAction;
24
25public class GettingStarted extends JPanel {
26
27 static private String content = "";
28
29 public class LinkGeneral extends JEditorPane implements HyperlinkListener {
30 public LinkGeneral(String text) {
31 setContentType("text/html");
32 setText(text);
33 setEditable(false);
34 setOpaque(false);
35 addHyperlinkListener(this);
36 }
37 public void hyperlinkUpdate(HyperlinkEvent e) {
38 if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
39 OpenBrowser.displayUrl(e.getDescription());
40 }
41 }
42 }
43
44 private void assignContent() {
45 if (content.length() == 0) {
46 String baseurl = Main.pref.get("help.baseurl", "http://josm.openstreetmap.de");
47 WikiReader wr = new WikiReader(baseurl);
48 String motdcontent = "";
49 try {
50 motdcontent = wr.read(baseurl + "/wiki/MessageOfTheDay");
51 } catch (IOException ioe) {
52 motdcontent = "<html><body>\n<h1>" +
53 tr("JOSM, the Java OpenStreetMap editor") +
54 "</h1>\n<h2 align=\"center\">(" +
55 tr ("Message of the day not available") +
56 ")</h2>";
57 }
58
59 int myVersion;
60 try {
61 myVersion = Integer.parseInt(AboutAction.getVersion());
62 } catch (NumberFormatException e) {
63 myVersion = 0;
64 }
65
66 Pattern commentPattern = Pattern.compile("\\<p\\>\\s*\\/\\*[^\\*]*\\*\\/\\s*\\<\\/p\\>", Pattern.CASE_INSENSITIVE|Pattern.DOTALL|Pattern.MULTILINE);
67 Matcher matcherComment = commentPattern.matcher(motdcontent);
68 motdcontent = matcherComment.replaceAll("");
69
70 /* look for hrefs of the form wiki/MessageOfTheDay>123 where > can also be <,<=,>= and the number is the revision number */
71 int start = 0;
72 Pattern versionPattern = Pattern.compile("(?:\\<p\\>\\s*)?\\<a[^\\>]*href\\=\\\"([^\\\"]*\\/wiki\\/)(MessageOfTheDay(\\%3E%3D|%3C%3D|\\%3E|\\%3C)([0-9]+))\\\"[^\\>]*\\>[^\\<]*\\<\\/a\\>(?:\\s*\\</p\\>)?", Pattern.CASE_INSENSITIVE|Pattern.DOTALL|Pattern.MULTILINE);
73 Matcher matcher = versionPattern.matcher(motdcontent);
74 matcher.reset();
75 while (matcher.find()) {
76 int targetVersion = Integer.parseInt(matcher.group(4));
77 String condition = matcher.group(3);
78 boolean included = false;
79 if (condition.equals("%3E")) {
80 if ((myVersion == 0 || myVersion > targetVersion)
81 /* && ! Main.pref.getBoolean("motd.gt."+targetVersion) */) {
82 /* Main.pref.put("motd.gt."+targetVersion, true); */
83 included = true;
84 }
85 } else if (condition.equals("%3E%3D")) {
86 if ((myVersion == 0 || myVersion >= targetVersion)
87 /* && ! Main.pref.getBoolean("motd.ge."+targetVersion) */) {
88 /* Main.pref.put("motd.ge."+targetVersion, true); */
89 included = true;
90 }
91 } else if (condition.equals("%3C")) {
92 included = myVersion < targetVersion;
93 } else {
94 included = myVersion <= targetVersion;
95 }
96 if (matcher.start() > start) {
97 content += motdcontent.substring(start, matcher.start() - 1);
98 }
99 start = matcher.end();
100 if (included) {
101 // translators: set this to a suitable language code to
102 // be able to provide translations in the Wiki.
103 String languageCode = tr("En:");
104 String url = matcher.group(1) + languageCode + matcher.group(2);
105 try {
106 String message = wr.read(url);
107 // a return containing the article name indicates that the page didn't
108 // exist in the Wiki.
109 String emptyIndicator = "Describe \"" + languageCode + "MessageOfTheDay";
110 if (message.indexOf(emptyIndicator) >= 0) {
111 url = matcher.group(1) + matcher.group(2);
112 message = wr.read(url);
113 emptyIndicator = "Describe \"MessageOfTheDay";
114 }
115 if (message.indexOf(emptyIndicator) == -1) {
116 content += message.replace("<html>", "").replace("</html>", "").replace("<div id=\"searchable\">", "").replace("</div>", "");
117 }
118 } catch (IOException ioe) {
119 url = matcher.group(1) + matcher.group(2);
120 try {
121 content += wr.read(url).replace("<html>", "").replace("</html>", "").replace("<div id=\"searchable\">", "").replace("</div>", "");
122 } catch (IOException ioe2) {
123 }
124 }
125 }
126 }
127 content += motdcontent.substring(start);
128 content = content.replace("<html>", "<html><style type=\"text/css\">\nbody { font-family: sans-serif; font-weight: bold; }\nh1 {text-align: center;}</style>");
129 /* replace the wiki title */
130 content = content.replace("JOSM, the Java OpenStreetMap editor", tr("JOSM, the Java OpenStreetMap editor"));
131 }
132
133 }
134
135 public GettingStarted() {
136 super(new BorderLayout());
137 assignContent();
138
139 // panel.add(GBC.glue(0,1), GBC.eol());
140 //panel.setMinimumSize(new Dimension(400, 600));
141 JScrollPane scroller = new JScrollPane(new LinkGeneral(content));
142 scroller.setViewportBorder(new EmptyBorder(10,100,10,100));
143 add(scroller, BorderLayout.CENTER);
144 }
145}
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