source: josm/trunk/src/org/openstreetmap/josm/gui/SplashScreen.java@ 10715

Last change on this file since 10715 was 10715, checked in by simon04, 8 years ago

see #11390, see #12890 - Deprecate Predicates class
  • Property svn:eol-style set to native
File size: 12.3 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.Color;
7import java.awt.Component;
8import java.awt.Dimension;
9import java.awt.GridBagConstraints;
10import java.awt.GridBagLayout;
11import java.awt.Insets;
12import java.awt.event.MouseAdapter;
13import java.awt.event.MouseEvent;
14import java.util.List;
15import java.util.Objects;
16import java.util.concurrent.CopyOnWriteArrayList;
17
18import javax.swing.BorderFactory;
19import javax.swing.JFrame;
20import javax.swing.JLabel;
21import javax.swing.JPanel;
22import javax.swing.JProgressBar;
23import javax.swing.JScrollPane;
24import javax.swing.JSeparator;
25import javax.swing.ScrollPaneConstants;
26import javax.swing.border.Border;
27import javax.swing.border.EmptyBorder;
28import javax.swing.border.EtchedBorder;
29import javax.swing.event.ChangeEvent;
30import javax.swing.event.ChangeListener;
31
32import org.openstreetmap.josm.Main;
33import org.openstreetmap.josm.data.Version;
34import org.openstreetmap.josm.gui.progress.ProgressMonitor;
35import org.openstreetmap.josm.gui.progress.ProgressTaskId;
36import org.openstreetmap.josm.gui.util.GuiHelper;
37import org.openstreetmap.josm.gui.widgets.JosmEditorPane;
38import org.openstreetmap.josm.tools.GBC;
39import org.openstreetmap.josm.tools.ImageProvider;
40import org.openstreetmap.josm.tools.Utils;
41import org.openstreetmap.josm.tools.WindowGeometry;
42
43/**
44 * Show a splash screen so the user knows what is happening during startup.
45 * @since 976
46 */
47public class SplashScreen extends JFrame implements ChangeListener {
48
49 private final transient SplashProgressMonitor progressMonitor;
50 private final SplashScreenProgressRenderer progressRenderer;
51
52 /**
53 * Constructs a new {@code SplashScreen}.
54 */
55 public SplashScreen() {
56 setUndecorated(true);
57
58 // Add a nice border to the main splash screen
59 JPanel contentPane = (JPanel) this.getContentPane();
60 Border margin = new EtchedBorder(1, Color.white, Color.gray);
61 contentPane.setBorder(margin);
62
63 // Add a margin from the border to the content
64 JPanel innerContentPane = new JPanel(new GridBagLayout());
65 innerContentPane.setBorder(new EmptyBorder(10, 10, 2, 10));
66 contentPane.add(innerContentPane);
67
68 // Add the logo
69 JLabel logo = new JLabel(ImageProvider.get("logo.svg", ImageProvider.ImageSizes.SPLASH_LOGO));
70 GridBagConstraints gbc = new GridBagConstraints();
71 gbc.gridheight = 2;
72 gbc.insets = new Insets(0, 0, 0, 70);
73 innerContentPane.add(logo, gbc);
74
75 // Add the name of this application
76 JLabel caption = new JLabel("JOSM – " + tr("Java OpenStreetMap Editor"));
77 caption.setFont(GuiHelper.getTitleFont());
78 gbc.gridheight = 1;
79 gbc.gridx = 1;
80 gbc.insets = new Insets(30, 0, 0, 0);
81 innerContentPane.add(caption, gbc);
82
83 // Add the version number
84 JLabel version = new JLabel(tr("Version {0}", Version.getInstance().getVersionString()));
85 gbc.gridy = 1;
86 gbc.insets = new Insets(0, 0, 0, 0);
87 innerContentPane.add(version, gbc);
88
89 // Add a separator to the status text
90 JSeparator separator = new JSeparator(JSeparator.HORIZONTAL);
91 gbc.gridx = 0;
92 gbc.gridy = 2;
93 gbc.gridwidth = 2;
94 gbc.fill = GridBagConstraints.HORIZONTAL;
95 gbc.insets = new Insets(15, 0, 5, 0);
96 innerContentPane.add(separator, gbc);
97
98 // Add a status message
99 progressRenderer = new SplashScreenProgressRenderer();
100 gbc.gridy = 3;
101 gbc.insets = new Insets(0, 0, 10, 0);
102 innerContentPane.add(progressRenderer, gbc);
103 progressMonitor = new SplashProgressMonitor(null, this);
104
105 pack();
106
107 WindowGeometry.centerOnScreen(this.getSize(), "gui.geometry").applySafe(this);
108
109 // Add ability to hide splash screen by clicking it
110 addMouseListener(new MouseAdapter() {
111 @Override
112 public void mousePressed(MouseEvent event) {
113 setVisible(false);
114 }
115 });
116 }
117
118 @Override
119 public void stateChanged(ChangeEvent ignore) {
120 GuiHelper.runInEDT(() -> progressRenderer.setTasks(progressMonitor.toString()));
121 }
122
123 /**
124 * A task (of a {@link ProgressMonitor}).
125 */
126 private abstract static class Task {
127
128 /**
129 * Returns a HTML representation for this task.
130 * @param sb a {@code StringBuilder} used to build the HTML code
131 * @return {@code sb}
132 */
133 public abstract StringBuilder toHtml(StringBuilder sb);
134
135 @Override
136 public final String toString() {
137 return toHtml(new StringBuilder(1024)).toString();
138 }
139 }
140
141 /**
142 * A single task (of a {@link ProgressMonitor}) which keeps track of its execution duration
143 * (requires a call to {@link #finish()}).
144 */
145 private static class MeasurableTask extends Task {
146 private final String name;
147 private final long start;
148 private String duration = "";
149
150 MeasurableTask(String name) {
151 this.name = name;
152 this.start = System.currentTimeMillis();
153 }
154
155 public void finish() {
156 if (!"".equals(duration)) {
157 throw new IllegalStateException("This tasks has already been finished");
158 }
159 duration = tr(" ({0})", Utils.getDurationString(System.currentTimeMillis() - start));
160 }
161
162 @Override
163 public StringBuilder toHtml(StringBuilder sb) {
164 return sb.append(name).append("<i style='color: #666666;'>").append(duration).append("</i>");
165 }
166
167 @Override
168 public boolean equals(Object o) {
169 if (this == o) return true;
170 if (o == null || getClass() != o.getClass()) return false;
171 MeasurableTask that = (MeasurableTask) o;
172 return Objects.equals(name, that.name);
173 }
174
175 @Override
176 public int hashCode() {
177 return Objects.hashCode(name);
178 }
179 }
180
181 /**
182 * A {@link ProgressMonitor} which stores the (sub)tasks in a tree.
183 */
184 public static class SplashProgressMonitor extends Task implements ProgressMonitor {
185
186 private final String name;
187 private final ChangeListener listener;
188 private final List<Task> tasks = new CopyOnWriteArrayList<>();
189 private SplashProgressMonitor latestSubtask;
190
191 /**
192 * Constructs a new {@code SplashProgressMonitor}.
193 * @param name name
194 * @param listener change listener
195 */
196 public SplashProgressMonitor(String name, ChangeListener listener) {
197 this.name = name;
198 this.listener = listener;
199 }
200
201 @Override
202 public StringBuilder toHtml(StringBuilder sb) {
203 sb.append(Utils.firstNonNull(name, ""));
204 if (!tasks.isEmpty()) {
205 sb.append("<ul>");
206 for (Task i : tasks) {
207 sb.append("<li>");
208 i.toHtml(sb);
209 sb.append("</li>");
210 }
211 sb.append("</ul>");
212 }
213 return sb;
214 }
215
216 @Override
217 public void beginTask(String title) {
218 if (title != null) {
219 if (Main.isDebugEnabled()) {
220 Main.debug(title);
221 }
222 final MeasurableTask task = new MeasurableTask(title);
223 tasks.add(task);
224 listener.stateChanged(null);
225 }
226 }
227
228 @Override
229 public void beginTask(String title, int ticks) {
230 this.beginTask(title);
231 }
232
233 @Override
234 public void setCustomText(String text) {
235 this.beginTask(text);
236 }
237
238 @Override
239 public void setExtraText(String text) {
240 this.beginTask(text);
241 }
242
243 @Override
244 public void indeterminateSubTask(String title) {
245 this.subTask(title);
246 }
247
248 @Override
249 public void subTask(String title) {
250 if (Main.isDebugEnabled()) {
251 Main.debug(title);
252 }
253 latestSubtask = new SplashProgressMonitor(title, listener);
254 tasks.add(latestSubtask);
255 listener.stateChanged(null);
256 }
257
258 @Override
259 public ProgressMonitor createSubTaskMonitor(int ticks, boolean internal) {
260 return latestSubtask;
261 }
262
263 /**
264 * @deprecated Use {@link #finishTask(String)} instead.
265 */
266 @Override
267 @Deprecated
268 public void finishTask() {
269 // Not used
270 }
271
272 /**
273 * Displays the given task as finished.
274 * @param title the task title
275 */
276 public void finishTask(String title) {
277 final Task task = Utils.find(tasks, new MeasurableTask(title)::equals);
278 if (task instanceof MeasurableTask) {
279 ((MeasurableTask) task).finish();
280 if (Main.isDebugEnabled()) {
281 Main.debug(tr("{0} completed in {1}", title, ((MeasurableTask) task).duration));
282 }
283 listener.stateChanged(null);
284 }
285 }
286
287 @Override
288 public void invalidate() {
289 // Not used
290 }
291
292 @Override
293 public void setTicksCount(int ticks) {
294 // Not used
295 }
296
297 @Override
298 public int getTicksCount() {
299 return 0;
300 }
301
302 @Override
303 public void setTicks(int ticks) {
304 // Not used
305 }
306
307 @Override
308 public int getTicks() {
309 return 0;
310 }
311
312 @Override
313 public void worked(int ticks) {
314 // Not used
315 }
316
317 @Override
318 public boolean isCanceled() {
319 return false;
320 }
321
322 @Override
323 public void cancel() {
324 // Not used
325 }
326
327 @Override
328 public void addCancelListener(CancelListener listener) {
329 // Not used
330 }
331
332 @Override
333 public void removeCancelListener(CancelListener listener) {
334 // Not used
335 }
336
337 @Override
338 public void appendLogMessage(String message) {
339 // Not used
340 }
341
342 @Override
343 public void setProgressTaskId(ProgressTaskId taskId) {
344 // Not used
345 }
346
347 @Override
348 public ProgressTaskId getProgressTaskId() {
349 return null;
350 }
351
352 @Override
353 public Component getWindowParent() {
354 return Main.parent;
355 }
356 }
357
358 /**
359 * Returns the progress monitor.
360 * @return The progress monitor
361 */
362 public SplashProgressMonitor getProgressMonitor() {
363 return progressMonitor;
364 }
365
366 private static class SplashScreenProgressRenderer extends JPanel {
367 private final JosmEditorPane lblTaskTitle = new JosmEditorPane();
368 private final JProgressBar progressBar = new JProgressBar(JProgressBar.HORIZONTAL);
369 private static final String LABEL_HTML = "<html>"
370 + "<style>ul {margin-top: 0; margin-bottom: 0; padding: 0;} li {margin: 0; padding: 0;}</style>";
371
372 protected void build() {
373 setLayout(new GridBagLayout());
374
375 JosmEditorPane.makeJLabelLike(lblTaskTitle, false);
376 lblTaskTitle.setText(LABEL_HTML);
377 final JScrollPane scrollPane = new JScrollPane(lblTaskTitle,
378 ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
379 scrollPane.setPreferredSize(new Dimension(0, 320));
380 scrollPane.setBorder(BorderFactory.createEmptyBorder());
381 add(scrollPane, GBC.eol().insets(5, 5, 0, 0).fill(GridBagConstraints.HORIZONTAL));
382
383 progressBar.setIndeterminate(true);
384 add(progressBar, GBC.eol().insets(5, 15, 0, 0).fill(GridBagConstraints.HORIZONTAL));
385 }
386
387 /**
388 * Constructs a new {@code SplashScreenProgressRenderer}.
389 */
390 SplashScreenProgressRenderer() {
391 build();
392 }
393
394 /**
395 * Sets the tasks to displayed. A HTML formatted list is expected.
396 * @param tasks HTML formatted list of tasks
397 */
398 public void setTasks(String tasks) {
399 lblTaskTitle.setText(LABEL_HTML + tasks);
400 lblTaskTitle.setCaretPosition(lblTaskTitle.getDocument().getLength());
401 }
402 }
403}
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