001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.actions; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.awt.Color; 007import java.awt.Dimension; 008import java.awt.GridBagLayout; 009import java.awt.event.ActionEvent; 010import java.awt.event.KeyEvent; 011import java.io.BufferedReader; 012import java.io.IOException; 013import java.io.InputStream; 014import java.io.InputStreamReader; 015 016import javax.swing.BorderFactory; 017import javax.swing.JLabel; 018import javax.swing.JPanel; 019import javax.swing.JScrollPane; 020import javax.swing.JTabbedPane; 021import javax.swing.JTextArea; 022 023import org.openstreetmap.josm.Main; 024import org.openstreetmap.josm.data.Version; 025import org.openstreetmap.josm.gui.ExtendedDialog; 026import org.openstreetmap.josm.gui.util.GuiHelper; 027import org.openstreetmap.josm.gui.widgets.JMultilineLabel; 028import org.openstreetmap.josm.gui.widgets.JosmTextArea; 029import org.openstreetmap.josm.gui.widgets.UrlLabel; 030import org.openstreetmap.josm.plugins.PluginHandler; 031import org.openstreetmap.josm.tools.GBC; 032import org.openstreetmap.josm.tools.ImageProvider; 033import org.openstreetmap.josm.tools.Shortcut; 034 035/** 036 * Nice about screen. 037 * 038 * The REVISION resource is read and if present, it shows the revision information of the jar-file. 039 * 040 * @author imi 041 */ 042public final class AboutAction extends JosmAction { 043 044 /** 045 * Constructs a new {@code AboutAction}. 046 */ 047 public AboutAction() { 048 super(tr("About"), "logo", tr("Display the about screen."), 049 Shortcut.registerShortcut("system:about", tr("About"), 050 KeyEvent.VK_F1, Shortcut.SHIFT), true); 051 } 052 053 @Override 054 public void actionPerformed(ActionEvent e) { 055 final JTabbedPane about = new JTabbedPane(); 056 057 Version version = Version.getInstance(); 058 059 JosmTextArea readme = new JosmTextArea(); 060 readme.setEditable(false); 061 setTextFromResourceFile(readme, "/README"); 062 readme.setCaretPosition(0); 063 064 JosmTextArea revision = new JosmTextArea(); 065 revision.setEditable(false); 066 revision.setText(version.getReleaseAttributes()); 067 revision.setCaretPosition(0); 068 069 JosmTextArea contribution = new JosmTextArea(); 070 contribution.setEditable(false); 071 setTextFromResourceFile(contribution, "/CONTRIBUTION"); 072 contribution.setCaretPosition(0); 073 074 JosmTextArea license = new JosmTextArea(); 075 license.setEditable(false); 076 setTextFromResourceFile(license, "/LICENSE"); 077 license.setCaretPosition(0); 078 079 JPanel info = new JPanel(new GridBagLayout()); 080 final JMultilineLabel label = new JMultilineLabel("<html>" + 081 "<h1>" + "JOSM – " + tr("Java OpenStreetMap Editor") + "</h1>" + 082 "<p style='font-size:75%'></p>" + 083 "<p>" + tr("Version {0}", version.getVersionString()) + "</p>" + 084 "<p style='font-size:50%'></p>" + 085 "<p>" + tr("Last change at {0}", version.getTime()) + "</p>" + 086 "<p style='font-size:50%'></p>" + 087 "<p>" + tr("Java Version {0}", System.getProperty("java.version")) + "</p>" + 088 "<p style='font-size:50%'></p>" + 089 "</html>"); 090 info.add(label, GBC.eol().fill(GBC.HORIZONTAL).insets(10, 0, 0, 0)); 091 info.add(new JLabel(tr("Homepage")), GBC.std().insets(10, 0, 10, 0)); 092 info.add(new UrlLabel(Main.getJOSMWebsite(), 2), GBC.eol().fill(GBC.HORIZONTAL)); 093 info.add(GBC.glue(0, 5), GBC.eol()); 094 095 about.addTab(tr("Info"), info); 096 about.addTab(tr("Readme"), createScrollPane(readme)); 097 about.addTab(tr("Revision"), createScrollPane(revision)); 098 about.addTab(tr("Contribution"), createScrollPane(contribution)); 099 about.addTab(tr("License"), createScrollPane(license)); 100 about.addTab(tr("Plugins"), new JScrollPane(PluginHandler.getInfoPanel())); 101 102 // Intermediate panel to allow proper optionPane resizing 103 JPanel panel = new JPanel(new GridBagLayout()); 104 panel.setPreferredSize(new Dimension(890, 300)); 105 panel.add(new JLabel("", ImageProvider.get("logo.svg", ImageProvider.ImageSizes.ABOUT_LOGO), 106 JLabel.CENTER), GBC.std().insets(0, 5, 0, 0)); 107 panel.add(about, GBC.std().fill()); 108 109 GuiHelper.prepareResizeableOptionPane(panel, panel.getPreferredSize()); 110 int ret = new ExtendedDialog(Main.parent, tr("About JOSM..."), new String[] {tr("OK"), tr("Report bug")}) 111 .setButtonIcons(new String[] {"ok", "bug"}) 112 .setContent(panel, false) 113 .showDialog().getValue(); 114 if (2 == ret) { 115 Main.main.menu.reportbug.actionPerformed(null); 116 } 117 } 118 119 /** 120 * Reads the contents of the resource file that is described by the {@code filePath}-attribute and puts that text 121 * into the {@link JTextArea} given by the {@code ta}-attribute. 122 * @param ta the {@link JTextArea} to put the files contents into 123 * @param filePath the path where the resource file to read resides 124 */ 125 private void setTextFromResourceFile(JTextArea ta, String filePath) { 126 InputStream is = getClass().getResourceAsStream(filePath); 127 if (is == null) { 128 displayErrorMessage(ta, tr("Failed to locate resource ''{0}''.", filePath)); 129 } else { 130 try (InputStreamReader reader = new InputStreamReader(is, "UTF-8"); 131 BufferedReader br = new BufferedReader(reader)) { 132 String line; 133 while ((line = br.readLine()) != null) { 134 ta.append(line+'\n'); 135 } 136 } catch (IOException e) { 137 Main.warn(e); 138 displayErrorMessage(ta, tr("Failed to load resource ''{0}'', error is {1}.", filePath, e.toString())); 139 } 140 } 141 } 142 143 private static void displayErrorMessage(JTextArea ta, String msg) { 144 Main.warn(msg); 145 ta.setForeground(new Color(200, 0, 0)); 146 ta.setText(msg); 147 } 148 149 private static JScrollPane createScrollPane(JosmTextArea area) { 150 area.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); 151 area.setOpaque(false); 152 JScrollPane sp = new JScrollPane(area); 153 sp.setBorder(null); 154 sp.setOpaque(false); 155 return sp; 156 } 157}