source: osm/applications/editors/josm/plugins/geochat/src/geochat/GeoChatPanel.java@ 30262

Last change on this file since 30262 was 30262, checked in by donvip, 11 years ago

[josm_geochat] repair plugin + fix edt violation (fix #josm9636)
File size: 13.1 KB
Line 
1// License: WTFPL
2package geochat;
3
4import java.awt.*;
5import java.awt.event.*;
6import java.text.SimpleDateFormat;
7import java.util.*;
8import java.util.List;
9import javax.swing.*;
10import org.openstreetmap.josm.Main;
11import org.openstreetmap.josm.data.Bounds;
12import org.openstreetmap.josm.data.coor.LatLon;
13import org.openstreetmap.josm.gui.JosmUserIdentityManager;
14import org.openstreetmap.josm.gui.MapView;
15import org.openstreetmap.josm.gui.dialogs.ToggleDialog;
16import org.openstreetmap.josm.gui.layer.MapViewPaintable;
17import org.openstreetmap.josm.gui.util.GuiHelper;
18import org.openstreetmap.josm.tools.GBC;
19import static org.openstreetmap.josm.tools.I18n.tr;
20import static org.openstreetmap.josm.tools.I18n.trn;
21
22/**
23 * Chat Panel. Contains of one public chat pane and multiple private ones.
24 *
25 * @author zverik
26 */
27public class GeoChatPanel extends ToggleDialog implements ChatServerConnectionListener, MapViewPaintable {
28 private JTextField input;
29 private JTabbedPane tabs;
30 private JComponent noData;
31 private JPanel loginPanel;
32 private JPanel gcPanel;
33 private ChatServerConnection connection;
34 // those fields should be visible to popup menu actions
35 protected Map<String, LatLon> users;
36 protected ChatPaneManager chatPanes;
37 protected boolean userLayerActive;
38
39 public GeoChatPanel() {
40 super(tr("GeoChat"), "geochat", tr("Open GeoChat panel"), null, 200, true);
41
42 noData = new JLabel(tr("Zoom in to see messages"), SwingConstants.CENTER);
43
44 tabs = new JTabbedPane();
45 tabs.addMouseListener(new GeoChatPopupAdapter(this));
46 chatPanes = new ChatPaneManager(this, tabs);
47
48 input = new JPanelTextField() {
49 @Override
50 protected void processEnter( String text ) {
51 connection.postMessage(text, chatPanes.getRecipient());
52 }
53
54 @Override
55 protected String autoComplete( String word, boolean atStart ) {
56 return autoCompleteUser(word, atStart);
57 }
58 };
59
60 String defaultUserName = constructUserName();
61 loginPanel = createLoginPanel(defaultUserName);
62
63 gcPanel = new JPanel(new BorderLayout());
64 gcPanel.add(loginPanel, BorderLayout.CENTER);
65 createLayout(gcPanel, false, null);
66
67 users = new TreeMap<String, LatLon>();
68 // Start threads
69 connection = ChatServerConnection.getInstance();
70 connection.addListener(this);
71 boolean autoLogin = Main.pref.get("geochat.username", null) == null ? false : Main.pref.getBoolean("geochat.autologin", true);
72 connection.autoLoginWithDelay(autoLogin ? defaultUserName : null);
73 updateTitleAlarm();
74 }
75
76 private String constructUserName() {
77 String userName = Main.pref.get("geochat.username", null); // so the default is null
78 if( userName == null )
79 userName = JosmUserIdentityManager.getInstance().getUserName();
80 if( userName == null )
81 userName = "";
82 if( userName.contains("@") )
83 userName = userName.substring(0, userName.indexOf('@'));
84 userName = userName.replace(' ', '_');
85 return userName;
86 }
87
88 private JPanel createLoginPanel( String defaultUserName ) {
89 final JTextField nameField = new JPanelTextField() {
90 @Override
91 protected void processEnter( String text ) {
92 connection.login(text);
93 }
94 };
95 nameField.setText(defaultUserName);
96
97 JButton loginButton = new JButton(tr("Login"));
98 loginButton.addActionListener(new ActionListener() {
99 public void actionPerformed( ActionEvent e ) {
100 connection.login(nameField.getText());
101 }
102 });
103 nameField.setPreferredSize(new Dimension(nameField.getPreferredSize().width, loginButton.getPreferredSize().height));
104
105 final JCheckBox autoLoginBox = new JCheckBox(tr("Enable autologin"), Main.pref.getBoolean("geochat.autologin", true));
106 autoLoginBox.addActionListener(new ActionListener() {
107 public void actionPerformed( ActionEvent e ) {
108 Main.pref.put("geochat.autologin", autoLoginBox.isSelected());
109 }
110 });
111
112 JPanel panel = new JPanel(new GridBagLayout());
113 panel.add(nameField, GBC.std().fill(GridBagConstraints.HORIZONTAL).insets(15, 0, 5, 0));
114 panel.add(loginButton, GBC.eol().fill(GridBagConstraints.NONE).insets(0, 0, 15, 0));
115 panel.add(autoLoginBox, GBC.std().insets(15, 0, 15, 0));
116 return panel;
117 }
118
119 protected void logout() {
120 connection.logout();
121 }
122
123 @Override
124 public void destroy() {
125 try {
126 if( Main.pref.getBoolean("geochat.logout.on.close", true) ) {
127 connection.removeListener(this);
128 connection.bruteLogout();
129 }
130 } catch( Throwable e ) {
131 Main.warn("Failed to logout from geochat server: " + e.getMessage());
132 }
133 super.destroy();
134 }
135
136 private String autoCompleteUser( String word, boolean atStart ) {
137 String result = null;
138 boolean singleUser = true;
139 for( String user : users.keySet() ) {
140 if( user.startsWith(word) ) {
141 if( result == null )
142 result = user;
143 else {
144 singleUser = false;
145 int i = word.length();
146 while( i < result.length() && i < user.length() && result.charAt(i) == user.charAt(i) )
147 i++;
148 if( i < result.length() )
149 result = result.substring(0, i);
150 }
151 }
152 }
153 return result == null ? null : !singleUser ? result : atStart ? result + ": " : result + " ";
154 }
155
156 /**
157 * This is implementation of a "temporary layer". It paints circles
158 * for all users nearby.
159 */
160 public void paint( Graphics2D g, MapView mv, Bounds bbox ) {
161 Graphics2D g2d = (Graphics2D)g.create();
162 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
163 Composite ac04 = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.4f);
164 Composite ac10 = g2d.getComposite();
165
166 Font font = g2d.getFont().deriveFont(Font.BOLD, g2d.getFont().getSize2D() + 2.0f);
167 g2d.setFont(font);
168 FontMetrics fm = g2d.getFontMetrics();
169
170 for( String user : users.keySet() ) {
171 int stringWidth = fm.stringWidth(user);
172 int radius = stringWidth / 2 + 10;
173 Point p = mv.getPoint(users.get(user));
174
175 g2d.setComposite(ac04);
176 g2d.setColor(Color.white);
177 g2d.fillOval(p.x - radius, p.y - radius, radius * 2 + 1, radius * 2 + 1);
178
179 g2d.setComposite(ac10);
180 g2d.setColor(Color.black);
181 g2d.drawString(user, p.x - stringWidth / 2, p.y + fm.getDescent());
182 }
183 }
184
185 /* ================== Notifications in the title ======================= */
186
187 /**
188 * Display number of users and notifications in the panel title.
189 */
190 protected void updateTitleAlarm() {
191 int alarmLevel = connection.isLoggedIn() ? chatPanes.getNotifyLevel() : 0;
192 if( !isDialogInCollapsedView() && alarmLevel > 1 )
193 alarmLevel = 1;
194
195 String comment;
196 if( connection.isLoggedIn() ) {
197 comment = trn("{0} user", "{0} users", users.size() + 1, users.size() + 1);
198 } else {
199 comment = tr("not logged in");
200 }
201
202 String title = tr("GeoChat");
203 if( comment != null )
204 title = title + " (" + comment + ")";
205 final String alarm = (alarmLevel <= 0 ? "" : alarmLevel == 1 ? "* " : "!!! ") + title;
206 GuiHelper.runInEDT(new Runnable() {
207 public void run() {
208 setTitle(alarm);
209 }
210 });
211 }
212
213 /**
214 * Track panel collapse events.
215 */
216 @Override
217 protected void setIsCollapsed( boolean val ) {
218 super.setIsCollapsed(val);
219 chatPanes.setCollapsed(val);
220 updateTitleAlarm();
221 }
222
223 /* ============ ChatServerConnectionListener methods ============= */
224
225 public void loggedIn( String userName ) {
226 Main.pref.put("geochat.username", userName);
227 if( gcPanel.getComponentCount() == 1 ) {
228 GuiHelper.runInEDTAndWait(new Runnable() {
229 @Override
230 public void run() {
231 gcPanel.remove(0);
232 gcPanel.add(tabs, BorderLayout.CENTER);
233 gcPanel.add(input, BorderLayout.SOUTH);
234 }
235 });
236 }
237 updateTitleAlarm();
238 }
239
240 public void notLoggedIn( final String reason ) {
241 if( reason != null ) {
242 SwingUtilities.invokeLater(new Runnable() {
243 public void run() {
244 JOptionPane.showMessageDialog(Main.parent, reason);
245 }
246 });
247 } else {
248 // regular logout
249 if( gcPanel.getComponentCount() > 1 ) {
250 gcPanel.removeAll();
251 gcPanel.add(loginPanel, BorderLayout.CENTER);
252 }
253 }
254 updateTitleAlarm();
255 }
256
257 public void messageSendFailed( final String reason ) {
258 SwingUtilities.invokeLater(new Runnable() {
259 public void run() {
260 JOptionPane.showMessageDialog(Main.parent, reason);
261 }
262 });
263 }
264
265 public void statusChanged( boolean active ) {
266 // only the public tab, because private chats don't rely on coordinates
267 tabs.setComponentAt(0, active ? chatPanes.getPublicChatComponent() : noData);
268 repaint();
269 }
270
271 public void updateUsers( Map<String, LatLon> newUsers ) {
272 for( String uname : this.users.keySet() ) {
273 if( !newUsers.containsKey(uname) )
274 chatPanes.addLineToPublic(tr("User {0} has left", uname), ChatPaneManager.MESSAGE_TYPE_INFORMATION);
275 }
276 for( String uname : newUsers.keySet() ) {
277 if( !this.users.containsKey(uname) )
278 chatPanes.addLineToPublic(tr("User {0} is mapping nearby", uname), ChatPaneManager.MESSAGE_TYPE_INFORMATION);
279 }
280 this.users = newUsers;
281 updateTitleAlarm();
282 if( userLayerActive && Main.map.mapView != null )
283 Main.map.mapView.repaint();
284 }
285
286 private final SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm");
287
288 private void formatMessage( StringBuilder sb, ChatMessage msg ) {
289 sb.append("\n");
290 sb.append('[').append(TIME_FORMAT.format(msg.getTime())).append("] ");
291 sb.append(msg.getAuthor()).append(": ").append(msg.getMessage());
292 }
293
294 public void receivedMessages( boolean replace, List<ChatMessage> messages ) {
295 if( replace )
296 chatPanes.clearPublicChatPane();
297 if( !messages.isEmpty() ) {
298 int alarm = 0;
299 StringBuilder sb = new StringBuilder();
300 for( ChatMessage msg : messages ) {
301 boolean important = msg.isIncoming() && containsName(msg.getMessage());
302 if( msg.isIncoming() && alarm < 2 ) {
303 alarm = important ? 2 : 1;
304 }
305 if( important ) {
306 // add buffer, then add current line with italic, then clear buffer
307 chatPanes.addLineToPublic(sb.toString());
308 sb.setLength(0);
309 formatMessage(sb, msg);
310 chatPanes.addLineToPublic(sb.toString(), ChatPaneManager.MESSAGE_TYPE_ATTENTION);
311 sb.setLength(0);
312 } else
313 formatMessage(sb, msg);
314 }
315 chatPanes.addLineToPublic(sb.toString());
316 if( alarm > 0 )
317 chatPanes.notify(null, alarm);
318 }
319 if( replace )
320 showNearbyUsers();
321 }
322
323 private void showNearbyUsers() {
324 if( !users.isEmpty() ) {
325 StringBuilder sb = new StringBuilder(tr("Users mapping nearby:"));
326 boolean first = true;
327 for( String user : users.keySet() ) {
328 sb.append(first ? " " : ", ");
329 sb.append(user);
330 }
331 chatPanes.addLineToPublic(sb.toString(), ChatPaneManager.MESSAGE_TYPE_INFORMATION);
332 }
333 }
334
335 private boolean containsName( String message ) {
336 String userName = connection.getUserName();
337 int length = userName.length();
338 int i = message.indexOf(userName);
339 while( i >= 0 ) {
340 if( (i == 0 || !Character.isJavaIdentifierPart(message.charAt(i - 1)))
341 && (i + length >= message.length() || !Character.isJavaIdentifierPart(message.charAt(i + length))) )
342 return true;
343 i = message.indexOf(userName, i + 1);
344 }
345 return false;
346 }
347
348 public void receivedPrivateMessages( boolean replace, List<ChatMessage> messages ) {
349 if( replace )
350 chatPanes.closePrivateChatPanes();
351 for( ChatMessage msg : messages ) {
352 StringBuilder sb = new StringBuilder();
353 formatMessage(sb, msg);
354 chatPanes.addLineToChatPane(msg.isIncoming() ? msg.getAuthor() : msg.getRecipient(), sb.toString());
355 if( msg.isIncoming() )
356 chatPanes.notify(msg.getAuthor(), 2);
357 }
358 }
359}
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