[608] | 1 | // License: GPL. See LICENSE file for details.
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| 2 |
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| 3 | package org.openstreetmap.josm.gui;
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| 4 |
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[582] | 5 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 6 |
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[623] | 7 | import java.awt.BorderLayout;
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[1350] | 8 | import java.awt.EventQueue;
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[7075] | 9 | import java.awt.GraphicsEnvironment;
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[3171] | 10 | import java.awt.event.InputEvent;
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| 11 | import java.awt.event.KeyEvent;
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[5061] | 12 | import java.io.IOException;
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[4863] | 13 | import java.net.URL;
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| 14 | import java.util.regex.Matcher;
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| 15 | import java.util.regex.Pattern;
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[623] | 16 |
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[3171] | 17 | import javax.swing.JComponent;
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[582] | 18 | import javax.swing.JPanel;
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[1879] | 19 | import javax.swing.JScrollPane;
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[3171] | 20 | import javax.swing.KeyStroke;
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[1879] | 21 | import javax.swing.border.EmptyBorder;
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[582] | 22 | import javax.swing.event.HyperlinkEvent;
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| 23 | import javax.swing.event.HyperlinkListener;
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| 24 |
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| 25 | import org.openstreetmap.josm.Main;
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[2358] | 26 | import org.openstreetmap.josm.data.Version;
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[6525] | 27 | import org.openstreetmap.josm.gui.preferences.server.ProxyPreference;
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| 28 | import org.openstreetmap.josm.gui.preferences.server.ProxyPreferenceListener;
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[5886] | 29 | import org.openstreetmap.josm.gui.widgets.JosmEditorPane;
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[1450] | 30 | import org.openstreetmap.josm.io.CacheCustomContent;
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[1755] | 31 | import org.openstreetmap.josm.tools.LanguageInfo;
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[582] | 32 | import org.openstreetmap.josm.tools.OpenBrowser;
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[6552] | 33 | import org.openstreetmap.josm.tools.Utils;
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[623] | 34 | import org.openstreetmap.josm.tools.WikiReader;
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[608] | 35 |
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[6525] | 36 | public final class GettingStarted extends JPanel implements ProxyPreferenceListener {
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| 37 |
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| 38 | private final LinkGeneral lg;
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[1450] | 39 | private String content = "";
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[6525] | 40 | private boolean contentInitialized = false;
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| 41 |
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[4364] | 42 | private static final String STYLE = "<style type=\"text/css\">\n"
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| 43 | + "body {font-family: sans-serif; font-weight: bold; }\n"
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| 44 | + "h1 {text-align: center; }\n"
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| 45 | + ".icon {font-size: 0; }\n"
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| 46 | + "</style>\n";
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[608] | 47 |
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[5886] | 48 | public static class LinkGeneral extends JosmEditorPane implements HyperlinkListener {
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[6070] | 49 |
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[5886] | 50 | /**
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| 51 | * Constructs a new {@code LinkGeneral} with the given HTML text
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| 52 | * @param text The text to display
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| 53 | */
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[652] | 54 | public LinkGeneral(String text) {
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| 55 | setContentType("text/html");
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| 56 | setText(text);
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| 57 | setEditable(false);
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| 58 | setOpaque(false);
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| 59 | addHyperlinkListener(this);
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[6935] | 60 | adaptForNimbus(this);
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[608] | 61 | }
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[1879] | 62 |
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[6084] | 63 | @Override
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[652] | 64 | public void hyperlinkUpdate(HyperlinkEvent e) {
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| 65 | if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
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| 66 | OpenBrowser.displayUrl(e.getDescription());
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| 67 | }
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[608] | 68 | }
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| 69 | }
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[1359] | 70 |
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[1450] | 71 | /**
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| 72 | * Grabs current MOTD from cache or webpage and parses it.
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| 73 | */
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[5061] | 74 | private static class MotdContent extends CacheCustomContent<IOException> {
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[1879] | 75 | public MotdContent() {
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[1450] | 76 | super("motd.html", CacheCustomContent.INTERVAL_DAILY);
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[1290] | 77 | }
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[574] | 78 |
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[6889] | 79 | private final int myVersion = Version.getInstance().getVersion();
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| 80 | private final String myJava = System.getProperty("java.version");
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| 81 | private final String myLang = LanguageInfo.getWikiLanguagePrefix();
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[608] | 82 |
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[1450] | 83 | /**
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| 84 | * This function gets executed whenever the cached files need updating
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| 85 | * @see org.openstreetmap.josm.io.CacheCustomContent#updateData()
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| 86 | */
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[1879] | 87 | @Override
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[5061] | 88 | protected byte[] updateData() throws IOException {
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[1512] | 89 | String motd = new WikiReader().readLang("StartupPage");
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[1450] | 90 | // Save this to prefs in case JOSM is updated so MOTD can be refreshed
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| 91 | Main.pref.putInteger("cache.motd.html.version", myVersion);
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[5883] | 92 | Main.pref.put("cache.motd.html.java", myJava);
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[1562] | 93 | Main.pref.put("cache.motd.html.lang", myLang);
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[6552] | 94 | return motd.getBytes(Utils.UTF_8);
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[1350] | 95 | }
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[1359] | 96 |
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[1450] | 97 | /**
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| 98 | * Additionally check if JOSM has been updated and refresh MOTD
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| 99 | */
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| 100 | @Override
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| 101 | protected boolean isCacheValid() {
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| 102 | // We assume a default of myVersion because it only kicks in in two cases:
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| 103 | // 1. Not yet written - but so isn't the interval variable, so it gets updated anyway
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| 104 | // 2. Cannot be written (e.g. while developing). Obviously we don't want to update
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[1879] | 105 | // everytime because of something we can't read.
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[1746] | 106 | return (Main.pref.getInteger("cache.motd.html.version", -999) == myVersion)
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[5882] | 107 | && Main.pref.get("cache.motd.html.java").equals(myJava)
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[1647] | 108 | && Main.pref.get("cache.motd.html.lang").equals(myLang);
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[1450] | 109 | }
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[608] | 110 | }
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[1169] | 111 |
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[1450] | 112 | /**
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[1879] | 113 | * Initializes getting the MOTD as well as enabling the FileDrop Listener. Displays a message
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| 114 | * while the MOTD is downloading.
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[1450] | 115 | */
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[652] | 116 | public GettingStarted() {
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| 117 | super(new BorderLayout());
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[6525] | 118 | lg = new LinkGeneral("<html>" + STYLE + "<h1>" + "JOSM - " + tr("Java OpenStreetMap Editor")
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[4364] | 119 | + "</h1><h2 align=\"center\">" + tr("Downloading \"Message of the day\"") + "</h2></html>");
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[3171] | 120 | // clear the build-in command ctrl+shift+O, because it is used as shortcut in JOSM
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| 121 | lg.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.SHIFT_MASK | InputEvent.CTRL_MASK), "none");
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[3530] | 122 |
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[1350] | 123 | JScrollPane scroller = new JScrollPane(lg);
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[1879] | 124 | scroller.setViewportBorder(new EmptyBorder(10, 100, 10, 100));
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[652] | 125 | add(scroller, BorderLayout.CENTER);
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[1231] | 126 |
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[6525] | 127 | getMOTD();
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| 128 |
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[7075] | 129 | if (!GraphicsEnvironment.isHeadless()) {
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| 130 | new FileDrop(scroller);
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| 131 | }
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[6525] | 132 | }
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| 133 |
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| 134 | private void getMOTD() {
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[1350] | 135 | // Asynchronously get MOTD to speed-up JOSM startup
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| 136 | Thread t = new Thread(new Runnable() {
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[5061] | 137 | @Override
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[1350] | 138 | public void run() {
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[6525] | 139 | if (!contentInitialized && Main.pref.getBoolean("help.displaymotd", true)) {
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[5061] | 140 | try {
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| 141 | content = new MotdContent().updateIfRequiredString();
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[6525] | 142 | contentInitialized = true;
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| 143 | ProxyPreference.removeProxyPreferenceListener(GettingStarted.this);
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[5061] | 144 | } catch (IOException ex) {
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[6248] | 145 | Main.warn(tr("Failed to read MOTD. Exception was: {0}", ex.toString()));
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[5061] | 146 | content = "<html>" + STYLE + "<h1>" + "JOSM - " + tr("Java OpenStreetMap Editor")
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| 147 | + "</h1>\n<h2 align=\"center\">(" + tr("Message of the day not available") + ")</h2></html>";
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[6525] | 148 | // In case of MOTD not loaded because of proxy error, listen to preference changes to retry after update
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| 149 | ProxyPreference.addProxyPreferenceListener(GettingStarted.this);
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[5061] | 150 | }
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[1879] | 151 | }
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[1450] | 152 |
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[1350] | 153 | EventQueue.invokeLater(new Runnable() {
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[5061] | 154 | @Override
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[1350] | 155 | public void run() {
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[4863] | 156 | lg.setText(fixImageLinks(content));
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[1350] | 157 | }
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| 158 | });
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| 159 | }
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| 160 | }, "MOTD-Loader");
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| 161 | t.setDaemon(true);
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| 162 | t.start();
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[652] | 163 | }
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[4863] | 164 |
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| 165 | private String fixImageLinks(String s) {
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[6897] | 166 | Matcher m = Pattern.compile("src=\""+Main.getJOSMWebsite()+"/browser/trunk(/images/.*?\\.png)\\?format=raw\"").matcher(s);
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[4863] | 167 | StringBuffer sb = new StringBuffer();
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| 168 | while (m.find()) {
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| 169 | String im = m.group(1);
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| 170 | URL u = getClass().getResource(im);
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[4865] | 171 | if (u != null) {
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| 172 | m.appendReplacement(sb, Matcher.quoteReplacement("src=\"" + u.toString() + "\""));
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[4863] | 173 | }
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| 174 | }
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| 175 | m.appendTail(sb);
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| 176 | return sb.toString();
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| 177 | }
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[6525] | 178 |
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| 179 | @Override
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| 180 | public void proxyPreferenceChanged() {
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| 181 | getMOTD();
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| 182 | }
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[608] | 183 | }
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