source: josm/trunk/src/org/openstreetmap/josm/gui/GettingStarted.java@ 1356

Last change on this file since 1356 was 1356, checked in by stoecker, 15 years ago

fix #2083 and #2115
  • Property svn:eol-style set to native
File size: 8.4 KB
RevLine 
[608]1// License: GPL. See LICENSE file for details.
2
3package org.openstreetmap.josm.gui;
4
[582]5import static org.openstreetmap.josm.tools.I18n.tr;
6
[623]7import java.io.IOException;
[1290]8import java.util.ArrayList;
[1350]9import java.util.concurrent.Executors;
10import java.util.concurrent.ExecutorService;
11import java.util.concurrent.Callable;
12import java.util.concurrent.Future;
[623]13import java.util.regex.Matcher;
14import java.util.regex.Pattern;
[582]15
[623]16import java.awt.BorderLayout;
[1231]17import java.awt.Component;
[1350]18import java.awt.EventQueue;
[623]19
20import javax.swing.JScrollPane;
[582]21import javax.swing.JEditorPane;
22import javax.swing.JPanel;
23import javax.swing.event.HyperlinkEvent;
24import javax.swing.event.HyperlinkListener;
[623]25import javax.swing.border.EmptyBorder;
[582]26
27import org.openstreetmap.josm.Main;
28import org.openstreetmap.josm.tools.OpenBrowser;
[623]29import org.openstreetmap.josm.tools.WikiReader;
30import org.openstreetmap.josm.actions.AboutAction;
[608]31
[623]32public class GettingStarted extends JPanel {
[608]33
[1169]34 static private String content = "";
[1356]35 static private String styles = "<style type=\"text/css\">\n"+
36 "body { font-family: sans-serif; font-weight: bold; }\n"+
37 "h1 {text-align: center;}\n"+
38 "</style>\n";
[608]39
[652]40 public class LinkGeneral extends JEditorPane implements HyperlinkListener {
41 public LinkGeneral(String text) {
42 setContentType("text/html");
43 setText(text);
44 setEditable(false);
45 setOpaque(false);
46 addHyperlinkListener(this);
[608]47 }
[652]48 public void hyperlinkUpdate(HyperlinkEvent e) {
49 if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
50 OpenBrowser.displayUrl(e.getDescription());
51 }
[608]52 }
53 }
[1350]54
55 public class readMOTD implements Callable<String> {
56 private boolean isLocalized;
57 private boolean isHelp;
58 private String urlLoc;
59 private String urlIntl;
60 private String urlBase;
61
62 readMOTD(boolean isLocalized, String urlBase, String urlLoc, String urlIntl, boolean isHelp) {
63 this.isLocalized = isLocalized;
64 this.urlBase = urlBase;
65 this.urlLoc = urlLoc;
66 this.urlIntl = urlIntl;
67 this.isHelp = isHelp;
68 }
[608]69
[1350]70 public String call() {
71 WikiReader wr = new WikiReader(urlBase);
72 String content = "";
73 try {
74 // If we hit a non-localized link here, we already know there's no translated version available
75 String message = isLocalized ? wr.read(urlLoc) : "";
76 // Look for non-localized version
77 if (message.equals(""))
78 message = wr.read(urlIntl);
79
80 if (!message.equals(""))
81 if(isHelp)
82 content += message;
83 else
84 content += "<ul><li>"+ message.substring(8)+"</li></ul>";
85 } catch (IOException ioe) {
86 try {
87 if(isHelp)
88 content += wr.read(urlIntl);
89 else
90 content += "<ul><li>"+wr.read(urlIntl).substring(8)+"</li></ul>";
91 } catch (IOException ioe2) {
92 }
93 }
94
95 return content;
96 }
97 }
98
[652]99 private void assignContent() {
[1290]100 if (content.length() > 0 && Main.pref.getBoolean("help.displaymotd", true)) return;
[574]101
[1290]102 String baseurl = Main.pref.get("help.baseurl", "http://josm.openstreetmap.de");
103 WikiReader wr = new WikiReader(baseurl);
104 String motdcontent = "";
105 try {
106 motdcontent = wr.read(baseurl + "/wiki/MessageOfTheDay?format=txt");
107 } catch (IOException ioe) {
[1356]108 motdcontent = "<html>" + styles + "<body><h1>" +
[1290]109 "JOSM - " + tr("Java OpenStreetMap Editor") +
110 "</h1>\n<h2 align=\"center\">(" +
111 tr ("Message of the day not available") +
112 ")</h2>";
113 }
[574]114
[1290]115 int myVersion = AboutAction.getVersionNumber();
116 String languageCode = Main.getLanguageCodeU();
[608]117
[1290]118 // Finds wiki links like (underscores inserted for readability): [wiki:LANGCODE:messageoftheday_CONDITON_REVISION LANGCODE]
119 // Langcode usually consists of two letters describing the language and may be omitted
120 // Condition may be one of the following: > < <= =>
121 // Revision is the JOSM version
122 Pattern versionPattern = Pattern.compile("\\[wiki:(?:[A-Z]+:)?MessageOfTheDay(\\>\\=|\\<\\=|\\<|\\>)([0-9]+)\\s*([A-Z]*)\\]", Pattern.CASE_INSENSITIVE);
123 // 1=condition, 2=targetVersion, 3=lang
124 Matcher matcher = versionPattern.matcher(motdcontent);
125 matcher.reset();
126
[1350]127 ArrayList<String[]> links = new ArrayList<String[]>();
[1290]128 String linksList="";
129 while (matcher.find()) {
130 // Discards all but the selected locale and non-localized links
131 if(!(matcher.group(3)+":").equals(languageCode) && !matcher.group(3).equals(""))
132 continue;
133
134 links.add(new String[] {matcher.group(1), matcher.group(2), matcher.group(3)});
135 linksList += matcher.group(1)+matcher.group(2)+matcher.group(3)+": ";
136 }
[1350]137
138 // We cannot use Main.worker here because it's single-threaded and
139 // setting it to multi-threading will cause problems elsewhere
140 ExecutorService slave = Executors.newCachedThreadPool();
141
142 ArrayList<Future<String>> linkContent = new ArrayList<Future<String>>();
[1290]143 for(int i=0; i < links.size(); i++) {
144 String[] obj = (String[])links.get(i);
145 int targetVersion = Integer.parseInt(obj[1]);
146 String condition = obj[0];
147 Boolean isLocalized = !obj[2].equals("");
148
149 // Prefer localized over non-localized links, if they're otherwise the same
[1350]150 if(!isLocalized && linksList.indexOf(condition + obj[1] + languageCode + " ") >= 0)
[1290]151 continue;
152
153 boolean included = false;
154
155 if(myVersion == 0)
156 included = true;
157 else if(condition.equals(">="))
158 included=myVersion >= targetVersion;
159 else if(condition.equals(">"))
160 included = myVersion > targetVersion;
161 else if(condition.equals("<"))
162 included=myVersion < targetVersion;
163 else
164 included = myVersion <= targetVersion;
165
166 if(!included) continue;
[1350]167
168 boolean isHelp = targetVersion == 1;
[1290]169 String urlStart = baseurl + "/wiki/";
170 String urlEnd = "MessageOfTheDay" + condition + targetVersion + (isHelp ? "" : "?format=txt");
[1350]171 String urlLoc = urlStart + languageCode + urlEnd;
172 String urlIntl = urlStart + urlEnd;
173
174 // This adds all links to the worker which will download them concurrently
175 linkContent.add(slave.submit(new readMOTD(isLocalized, baseurl, urlLoc, urlIntl, isHelp)));
176 }
177
178 for(int i=0; i < linkContent.size(); i++) {
[1290]179 try {
[1350]180 content += linkContent.get(i).get();
181 } catch (Exception e) {}
[652]182 }
[1350]183
[1290]184 content = "<html>\n"+
[1356]185 styles +
[1290]186 "<h1>JOSM - " + tr("Java OpenStreetMap Editor") + "</h1>\n"+
187 content+"\n"+
188 "</html>";
[608]189 }
[1169]190
[652]191 public GettingStarted() {
192 super(new BorderLayout());
[1356]193 final LinkGeneral lg = new LinkGeneral(
194 "<html>" +
195 styles +
196 "<h1>" +
197 "JOSM - " +
198 tr("Java OpenStreetMap Editor") +
199 "</h1><h2 align=\"center\">" +
200 tr("Downloading \"Message of the day\"") +
201 "</h2>");
[1350]202 JScrollPane scroller = new JScrollPane(lg);
[1231]203 Component linkGeneral = new LinkGeneral(content);
[800]204 scroller.setViewportBorder(new EmptyBorder(10,100,10,100));
[652]205 add(scroller, BorderLayout.CENTER);
[1231]206
[1350]207 // Asynchronously get MOTD to speed-up JOSM startup
208 Thread t = new Thread(new Runnable() {
209 public void run() {
210 assignContent();
211 EventQueue.invokeLater(new Runnable() {
212 public void run() {
213 lg.setText(content);
214 lg.moveCaretPosition(0);
215 }
216 });
217 }
218 }, "MOTD-Loader");
219 t.setDaemon(true);
220 t.start();
221
[1231]222 new FileDrop(linkGeneral);
[652]223 }
[608]224}
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