1 | /* |
2 | * jDTAUS Core Utilities |
3 | * Copyright (C) 2005 Christian Schulte |
4 | * <cs@schulte.it> |
5 | * |
6 | * This library is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2.1 of the License, or any later version. |
10 | * |
11 | * This library is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Lesser General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Lesser General Public |
17 | * License along with this library; if not, write to the Free Software |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
19 | * |
20 | */ |
21 | package org.jdtaus.core.monitor.util; |
22 | |
23 | import java.awt.Component; |
24 | import java.awt.Dialog; |
25 | import java.awt.Frame; |
26 | import java.awt.GraphicsEnvironment; |
27 | import java.awt.GridBagConstraints; |
28 | import java.awt.GridBagLayout; |
29 | import java.awt.HeadlessException; |
30 | import java.awt.Insets; |
31 | import java.awt.Window; |
32 | import java.awt.event.ActionEvent; |
33 | import java.awt.event.ActionListener; |
34 | import java.util.Arrays; |
35 | import java.util.Calendar; |
36 | import java.util.Date; |
37 | import java.util.HashMap; |
38 | import java.util.Iterator; |
39 | import java.util.Locale; |
40 | import java.util.Map; |
41 | import java.util.Timer; |
42 | import java.util.TimerTask; |
43 | import javax.swing.BorderFactory; |
44 | import javax.swing.JButton; |
45 | import javax.swing.JDialog; |
46 | import javax.swing.JLabel; |
47 | import javax.swing.JOptionPane; |
48 | import javax.swing.JPanel; |
49 | import javax.swing.JProgressBar; |
50 | import javax.swing.SwingUtilities; |
51 | import javax.swing.UIManager; |
52 | import javax.swing.border.TitledBorder; |
53 | import org.jdtaus.core.container.ContainerFactory; |
54 | import org.jdtaus.core.logging.spi.Logger; |
55 | import org.jdtaus.core.monitor.Task; |
56 | import org.jdtaus.core.monitor.TaskEvent; |
57 | import org.jdtaus.core.monitor.TaskListener; |
58 | import org.jdtaus.core.text.Message; |
59 | |
60 | /** |
61 | * {@code TaskListener} displaying progress using a Swing dialog. |
62 | * |
63 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
64 | * @version $JDTAUS: SwingProgressMonitor.java 8743 2012-10-07 03:06:20Z schulte $ |
65 | * |
66 | * @see #onTaskEvent(TaskEvent) |
67 | */ |
68 | public final class SwingProgressMonitor implements TaskListener |
69 | { |
70 | //--Dependencies------------------------------------------------------------ |
71 | |
72 | // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:jdtausDependencies |
73 | // This section is managed by jdtaus-container-mojo. |
74 | |
75 | /** |
76 | * Gets the configured <code>Logger</code> implementation. |
77 | * |
78 | * @return The configured <code>Logger</code> implementation. |
79 | */ |
80 | private Logger getLogger() |
81 | { |
82 | return (Logger) ContainerFactory.getContainer(). |
83 | getDependency( this, "Logger" ); |
84 | |
85 | } |
86 | |
87 | /** |
88 | * Gets the configured <code>Locale</code> implementation. |
89 | * |
90 | * @return The configured <code>Locale</code> implementation. |
91 | */ |
92 | private Locale getLocale() |
93 | { |
94 | return (Locale) ContainerFactory.getContainer(). |
95 | getDependency( this, "Locale" ); |
96 | |
97 | } |
98 | |
99 | // </editor-fold>//GEN-END:jdtausDependencies |
100 | |
101 | //------------------------------------------------------------Dependencies-- |
102 | //--Properties-------------------------------------------------------------- |
103 | |
104 | // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:jdtausProperties |
105 | // This section is managed by jdtaus-container-mojo. |
106 | |
107 | /** |
108 | * Gets the value of property <code>defaultMinimumTaskDuration</code>. |
109 | * |
110 | * @return Default minimum number of milliseconds a task should be shown in the dialog. |
111 | */ |
112 | private java.lang.Integer getDefaultMinimumTaskDuration() |
113 | { |
114 | return (java.lang.Integer) ContainerFactory.getContainer(). |
115 | getProperty( this, "defaultMinimumTaskDuration" ); |
116 | |
117 | } |
118 | |
119 | /** |
120 | * Gets the value of property <code>defaultMillisToPopup</code>. |
121 | * |
122 | * @return Default number of milliseconds visibility of the dialog is delayed. |
123 | */ |
124 | private java.lang.Integer getDefaultMillisToPopup() |
125 | { |
126 | return (java.lang.Integer) ContainerFactory.getContainer(). |
127 | getProperty( this, "defaultMillisToPopup" ); |
128 | |
129 | } |
130 | |
131 | /** |
132 | * Gets the value of property <code>defaultMillisToDecideToPopup</code>. |
133 | * |
134 | * @return Default number of milliseconds to pass before all running tasks are checked for theire duration. |
135 | */ |
136 | private java.lang.Integer getDefaultMillisToDecideToPopup() |
137 | { |
138 | return (java.lang.Integer) ContainerFactory.getContainer(). |
139 | getProperty( this, "defaultMillisToDecideToPopup" ); |
140 | |
141 | } |
142 | |
143 | /** |
144 | * Gets the value of property <code>defaultColumns</code>. |
145 | * |
146 | * @return Default number of columns the preferred width of the progress dialog is computed with. |
147 | */ |
148 | private java.lang.Integer getDefaultColumns() |
149 | { |
150 | return (java.lang.Integer) ContainerFactory.getContainer(). |
151 | getProperty( this, "defaultColumns" ); |
152 | |
153 | } |
154 | |
155 | // </editor-fold>//GEN-END:jdtausProperties |
156 | |
157 | //--------------------------------------------------------------Properties-- |
158 | //--TaskListener------------------------------------------------------------ |
159 | |
160 | /** |
161 | * {@inheritDoc} |
162 | * <p>This method controls a dialog displaying a panel for each task showing the progress of that task optionally |
163 | * providing a cancel button if the corresponding task is cancelable. The dialog will show up only if the operation |
164 | * performed by at least one task is believed to run longer than specified by property {@code millisToPopup}. |
165 | * Property {@code millisToDecideToPopup} controls the number of milliseconds to pass before all currently running |
166 | * tasks are checked for their duration. Properties {@code millisToDecideToPopup} and {@code millisToPopup} are |
167 | * used in the same way as specified for Swing's {@link javax.swing.ProgressMonitor}. The default for property |
168 | * {@code millisToDecideToPopup} is 500ms and the default for property {@code millisToPopup} is 2000ms.</p> |
169 | * |
170 | * @param event The event send by a {@code Task}. |
171 | */ |
172 | public void onTaskEvent( final TaskEvent event ) |
173 | { |
174 | if ( event != null ) |
175 | { |
176 | switch ( event.getType() ) |
177 | { |
178 | case TaskEvent.STARTED: |
179 | this.onTaskStarted( event ); |
180 | break; |
181 | |
182 | case TaskEvent.CHANGED_STATE: |
183 | this.onTaskChangedState( event ); |
184 | break; |
185 | |
186 | case TaskEvent.ENDED: |
187 | this.onTaskEnded( event ); |
188 | break; |
189 | |
190 | default: |
191 | getLogger().warn( this.getUnknownTaskEventTypeMessage( |
192 | this.getLocale(), new Integer( event.getType() ) ) ); |
193 | |
194 | } |
195 | } |
196 | |
197 | updateProgressDialog(); |
198 | } |
199 | |
200 | //------------------------------------------------------------TaskListener-- |
201 | //--SwingProgressMonitor---------------------------------------------------- |
202 | |
203 | /** State of a {@code Task} being monitored. */ |
204 | private static final class MonitorState |
205 | { |
206 | |
207 | /** The {@code Task} being monitored. */ |
208 | final Task task; |
209 | |
210 | /** The panel to use for displaying progress of {@code task}. */ |
211 | final ProgressPanel panel; |
212 | |
213 | /** {@code ActionListener} listening for the cancel button. */ |
214 | ActionListener cancelListener; |
215 | |
216 | /** The time the {@code task}'s panel was set visible or negative, if the panel is not visible. */ |
217 | long visibleMillis = Long.MIN_VALUE; |
218 | |
219 | /** |
220 | * Creates a new {@code MonitorState} instance. |
221 | * |
222 | * @param task The {@code Task} being monitored. |
223 | * @param panel The panel to use for displaying progress of {@code task}. |
224 | * @param cancelListener The listener to listen for the cancel button. |
225 | */ |
226 | MonitorState( final Task task, final ProgressPanel panel ) |
227 | { |
228 | super(); |
229 | this.task = task; |
230 | this.panel = panel; |
231 | } |
232 | |
233 | } |
234 | |
235 | /** The current parent component to use when displaying progress. */ |
236 | private Component parent; |
237 | |
238 | /** Maps {@code Task} instances to {@code TaskMonitorState} instances. */ |
239 | private final Map tasks = new HashMap( 100 ); |
240 | |
241 | /** The dialog displaying progress of all {@code Task}s. */ |
242 | private ProgressDialog dialog; |
243 | |
244 | /** Number of milliseconds to pass before all running tasks are checked for their duration. */ |
245 | private Integer millisToDecideToPopup; |
246 | |
247 | /** Number of milliseconds visibility of the dialog is delayed. */ |
248 | private Integer millisToPopup; |
249 | |
250 | /** Minimum number of milliseconds a task is shown. */ |
251 | private Integer minimumTaskDuration; |
252 | |
253 | /** Number of columns the preferred width of the progress pane is computed with. */ |
254 | private Integer columns; |
255 | |
256 | /** |
257 | * The time the decision was made to popup a dialog, if an operation of any of the tasks being monitored would take |
258 | * longer than {@code millisToPopup}. |
259 | */ |
260 | private long popupDecisionMillis = NO_POPUPDECISION; |
261 | private static final long NO_POPUPDECISION = Long.MIN_VALUE; |
262 | |
263 | /** Timer used to delay removal of panels. */ |
264 | private final Timer timer = new Timer( true ); |
265 | |
266 | /** |
267 | * Creates a new {@code SwingProgressMonitor} instance taking the parent component to use when displaying progress. |
268 | * |
269 | * @param parent The parent component to use when displaying progress. |
270 | * |
271 | * @throws NullPointerException if {@code parent} is {@code null}. |
272 | * @throws HeadlessException if this class is used in an environment not providing a keyboard, display, or mouse. |
273 | * |
274 | * @see #onTaskEvent(TaskEvent) |
275 | */ |
276 | public SwingProgressMonitor( final Component parent ) |
277 | { |
278 | this( parent, Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MIN_VALUE ); |
279 | } |
280 | |
281 | /** |
282 | * Creates a new {@code SwingProgressMonitor} instance taking the parent component to use when displaying progress |
283 | * and configuration for how long to wait before showing the progress dialog. |
284 | * |
285 | * @param parent The parent component to use when displaying progress. |
286 | * @param millisToDecideToPopup The number of milliseconds which have to pass before the duration of any currently |
287 | * running task is computed. |
288 | * @param millisToPopup The number of milliseconds at least one task has to run before the progress dialog shows up. |
289 | * |
290 | * @throws NullPointerException if {@code parent} is {@code null}. |
291 | * @throws HeadlessException if this class is used in an environment not providing a keyboard, display, or mouse. |
292 | * |
293 | * @see #onTaskEvent(TaskEvent) |
294 | */ |
295 | public SwingProgressMonitor( final Component parent, final int millisToDecideToPopup, final int millisToPopup ) |
296 | { |
297 | this( parent, millisToDecideToPopup, millisToPopup, Integer.MIN_VALUE, Integer.MIN_VALUE ); |
298 | } |
299 | |
300 | /** |
301 | * Creates a new {@code SwingProgressMonitor} instance taking the parent component to use when displaying progress |
302 | * and configuration for how long to wait before showing the progress dialog and for how long a task is displayed |
303 | * minimally. |
304 | * |
305 | * @param parent The parent component to use when displaying progress. |
306 | * @param millisToDecideToPopup The number of milliseconds which have to pass before the duration of any currently |
307 | * running task is computed. |
308 | * @param millisToPopup The number of milliseconds at least one task has to run before the progress dialog shows up. |
309 | * @param minimumTaskDurationMillis The number of milliseconds a task is held visible, if a task is ended right |
310 | * after having been shown. |
311 | * |
312 | * @throws NullPointerException if {@code parent} is {@code null}. |
313 | * @throws HeadlessException if this class is used in an environment not providing a keyboard, display, or mouse. |
314 | * |
315 | * @see #onTaskEvent(TaskEvent) |
316 | * @since 1.10 |
317 | */ |
318 | public SwingProgressMonitor( final Component parent, final int millisToDecideToPopup, final int millisToPopup, |
319 | final int minimumTaskDurationMillis ) |
320 | { |
321 | this( parent, millisToDecideToPopup, millisToPopup, minimumTaskDurationMillis, Integer.MIN_VALUE ); |
322 | } |
323 | |
324 | /** |
325 | * Creates a new {@code SwingProgressMonitor} instance taking the parent component to use when displaying progress |
326 | * and configuration for how long to wait before showing the progress dialog, for how long a task is displayed |
327 | * minimally and a number of columns the preferred width of the progress dialog is computed with. |
328 | * |
329 | * @param parent The parent component to use when displaying progress. |
330 | * @param millisToDecideToPopup The number of milliseconds which have to pass before the duration of any currently |
331 | * running task is computed. |
332 | * @param millisToPopup The number of milliseconds at least one task has to run before the progress dialog shows up. |
333 | * @param minimumTaskDurationMillis The number of milliseconds a task is held visible, if a task is ended right |
334 | * after having been shown. |
335 | * @param columns The number of columns the preferred width of the progress dialog is computed with. |
336 | * |
337 | * @throws NullPointerException if {@code parent} is {@code null}. |
338 | * @throws HeadlessException if this class is used in an environment not providing a keyboard, display, or mouse. |
339 | * |
340 | * @see #onTaskEvent(TaskEvent) |
341 | * @since 1.10 |
342 | */ |
343 | public SwingProgressMonitor( final Component parent, final int millisToDecideToPopup, final int millisToPopup, |
344 | final int minimumTaskDurationMillis, final int columns ) |
345 | { |
346 | if ( parent == null ) |
347 | { |
348 | throw new NullPointerException( "parent" ); |
349 | } |
350 | |
351 | if ( GraphicsEnvironment.isHeadless() ) |
352 | { |
353 | throw new HeadlessException(); |
354 | } |
355 | |
356 | if ( millisToDecideToPopup > 0 ) |
357 | { |
358 | this.millisToDecideToPopup = new Integer( millisToDecideToPopup ); |
359 | } |
360 | if ( millisToPopup > 0 ) |
361 | { |
362 | this.millisToPopup = new Integer( millisToPopup ); |
363 | } |
364 | if ( minimumTaskDurationMillis > 0 ) |
365 | { |
366 | this.minimumTaskDuration = new Integer( minimumTaskDurationMillis ); |
367 | } |
368 | if ( columns > 0 ) |
369 | { |
370 | this.columns = new Integer( columns ); |
371 | } |
372 | |
373 | this.parent = parent; |
374 | } |
375 | |
376 | /** |
377 | * Gets the parent component for any progress displays. |
378 | * |
379 | * @return The parent component for any progress displays. |
380 | */ |
381 | public Component getParent() |
382 | { |
383 | return this.parent; |
384 | } |
385 | |
386 | /** |
387 | * Sets the parent component to be used by any progress displays. |
388 | * |
389 | * @param parent The parent component to be used by any progress displays. |
390 | * |
391 | * @throws NullPointerException if {@code parent} is {@code null}. |
392 | */ |
393 | public void setParent( final Component parent ) |
394 | { |
395 | if ( parent == null ) |
396 | { |
397 | throw new NullPointerException( "parent" ); |
398 | } |
399 | |
400 | this.parent = parent; |
401 | } |
402 | |
403 | /** |
404 | * Gets the number of milliseconds visibility of the dialog is delayed. |
405 | * |
406 | * @return The number of milliseconds visibility of the dialog is delayed. |
407 | */ |
408 | public int getMillisToPopup() |
409 | { |
410 | if ( this.millisToPopup == null ) |
411 | { |
412 | this.millisToPopup = this.getDefaultMillisToPopup(); |
413 | } |
414 | |
415 | return this.millisToPopup.intValue(); |
416 | } |
417 | |
418 | /** |
419 | * Gets the number of milliseconds to pass before all currently running tasks are checked for theire duration. |
420 | * |
421 | * @return The number of milliseconds to pass before all currently running tasks are checked for theire duration. |
422 | */ |
423 | public int getMillisToDecideToPopup() |
424 | { |
425 | if ( this.millisToDecideToPopup == null ) |
426 | { |
427 | this.millisToDecideToPopup = this.getDefaultMillisToDecideToPopup(); |
428 | } |
429 | |
430 | return this.millisToDecideToPopup.intValue(); |
431 | } |
432 | |
433 | /** |
434 | * Gets the minimum number of milliseconds to pass before a visible task is set invisible. |
435 | * |
436 | * @return The minimum number of milliseconds to pass before a visible task is set invisible. |
437 | * |
438 | * @since 1.10 |
439 | */ |
440 | public int getMinimumTaskDuration() |
441 | { |
442 | if ( this.minimumTaskDuration == null ) |
443 | { |
444 | this.minimumTaskDuration = this.getDefaultMinimumTaskDuration(); |
445 | } |
446 | |
447 | return this.minimumTaskDuration.intValue(); |
448 | } |
449 | |
450 | /** |
451 | * Gets the number of columns the preferred width of a progress pane is computed with. |
452 | * |
453 | * @return The number of columns the preferred width of a progress pane is computed with. |
454 | * |
455 | * @since 1.10 |
456 | */ |
457 | public int getColumns() |
458 | { |
459 | if ( this.columns == null ) |
460 | { |
461 | this.columns = this.getDefaultColumns(); |
462 | } |
463 | |
464 | return this.columns.intValue(); |
465 | } |
466 | |
467 | /** |
468 | * Gets the dialog displaying progress of all {@code Task}s. |
469 | * |
470 | * @return The dialog displaying progress of all {@code Task}s. |
471 | */ |
472 | private ProgressDialog getDialog() |
473 | { |
474 | if ( this.dialog == null ) |
475 | { |
476 | final Window window = this.getWindowForComponent( this.getParent() ); |
477 | |
478 | if ( window instanceof Frame ) |
479 | { |
480 | this.dialog = new ProgressDialog( (Frame) window ); |
481 | } |
482 | else if ( window instanceof Dialog ) |
483 | { |
484 | this.dialog = new ProgressDialog( (Dialog) window ); |
485 | } |
486 | } |
487 | |
488 | return this.dialog; |
489 | } |
490 | |
491 | /** Closes and disposes the dialog. */ |
492 | private void closeDialog() |
493 | { |
494 | if ( this.dialog != null ) |
495 | { |
496 | this.dialog.setVisible( false ); |
497 | this.dialog.dispose(); |
498 | this.dialog = null; |
499 | } |
500 | } |
501 | |
502 | /** |
503 | * Returns the specified component's top-level {@code Frame} or {@code Dialog}. |
504 | * |
505 | * @param parentComponent The {@code Component} to check for a {@code Frame} or {@code Dialog}. |
506 | * |
507 | * @return the {@code Frame} or {@code Dialog} that contains {@code parentComponent}, or the default frame if the |
508 | * component is {@code null}, or does not have a valid {@code Frame} or {@code Dialog} parent. |
509 | * |
510 | * @throws HeadlessException if {@code GraphicsEnvironment.isHeadless()} returns {@code true}. |
511 | * |
512 | * @see java.awt.GraphicsEnvironment#isHeadless |
513 | */ |
514 | private Window getWindowForComponent( final Component parentComponent ) throws HeadlessException |
515 | { |
516 | Window window = JOptionPane.getRootFrame(); |
517 | |
518 | if ( parentComponent != null ) |
519 | { |
520 | if ( parentComponent instanceof Frame || parentComponent instanceof Dialog ) |
521 | { |
522 | window = (Window) parentComponent; |
523 | } |
524 | else |
525 | { |
526 | this.getWindowForComponent( parentComponent.getParent() ); |
527 | } |
528 | } |
529 | |
530 | return window; |
531 | } |
532 | |
533 | /** |
534 | * Starts monitoring a task. |
535 | * |
536 | * @param event The {@code TaskEvent} indicating the start of a {@code Task}. |
537 | * |
538 | * @throws NullPointerException if {@code event} is {@code null}. |
539 | * @throws IllegalArgumentException if {@code event.getType()} is not equal to {@link TaskEvent#STARTED}. |
540 | */ |
541 | private void onTaskStarted( final TaskEvent event ) |
542 | { |
543 | if ( event == null ) |
544 | { |
545 | throw new NullPointerException( "event" ); |
546 | } |
547 | if ( event.getType() != TaskEvent.STARTED ) |
548 | { |
549 | throw new IllegalArgumentException( Integer.toString( event.getType() ) ); |
550 | } |
551 | |
552 | synchronized ( this.tasks ) |
553 | { |
554 | final MonitorState state = |
555 | new MonitorState( event.getTask(), new ProgressPanel( getColumns() ) ); |
556 | |
557 | state.cancelListener = new ActionListener() |
558 | { |
559 | |
560 | public void actionPerformed( final ActionEvent e ) |
561 | { |
562 | if ( !state.task.isCancelled() ) |
563 | { |
564 | state.task.setCancelled( true ); |
565 | |
566 | SwingUtilities.invokeLater( new Runnable() |
567 | { |
568 | |
569 | public void run() |
570 | { |
571 | state.panel.getCancelButton().setText( getTaskCancelledMessage( getLocale() ) ); |
572 | state.panel.getCancelButton().setEnabled( false ); |
573 | } |
574 | |
575 | } ); |
576 | } |
577 | } |
578 | |
579 | }; |
580 | |
581 | if ( this.tasks.put( state.task, state ) != null ) |
582 | { |
583 | throw new IllegalStateException( getTaskAlreadyStartedMessage( |
584 | getLocale(), state.task.getDescription().getText( getLocale() ), |
585 | new Date( state.task.getTimestamp() ) ) ); |
586 | |
587 | } |
588 | |
589 | SwingUtilities.invokeLater( new Runnable() |
590 | { |
591 | |
592 | public void run() |
593 | { |
594 | final TitledBorder border = |
595 | BorderFactory.createTitledBorder( state.task.getDescription().getText( getLocale() ) ); |
596 | |
597 | state.panel.setBorder( border ); |
598 | |
599 | if ( state.task.getProgressDescription() != null ) |
600 | { |
601 | state.panel.getProgressDescriptionLabel().setText( |
602 | state.task.getProgressDescription().getText( getLocale() ) ); |
603 | |
604 | } |
605 | else |
606 | { |
607 | state.panel.getProgressDescriptionLabel().setVisible( false ); |
608 | } |
609 | |
610 | state.panel.getProgressBar().setIndeterminate( true ); |
611 | |
612 | if ( !state.task.isIndeterminate() ) |
613 | { |
614 | state.panel.getProgressBar().setMinimum( state.task.getMinimum() ); |
615 | state.panel.getProgressBar().setMaximum( state.task.getMaximum() ); |
616 | state.panel.getProgressBar().setValue( state.task.getProgress() ); |
617 | state.panel.getTimeLabel().setText( getComputingExpectedDurationMessage( getLocale() ) ); |
618 | } |
619 | else |
620 | { |
621 | state.panel.getTimeLabel().setText( getIndeterminateDurationMessage( getLocale() ) ); |
622 | } |
623 | |
624 | state.panel.getCancelButton().setVisible( state.task.isCancelable() ); |
625 | state.panel.getCancelButton().addActionListener( state.cancelListener ); |
626 | state.panel.setVisible( false ); |
627 | getDialog().add( state.panel ); |
628 | } |
629 | |
630 | } ); |
631 | } |
632 | } |
633 | |
634 | /** |
635 | * Finishes monitoring a task. |
636 | * |
637 | * @param event The {@code TaskEvent} indicating the end of a {@code Task}. |
638 | * |
639 | * @throws NullPointerException if {@code event} is {@code null}. |
640 | * @throws IllegalArgumentException if {@code event.getType()} is not equal to {@link TaskEvent#ENDED}. |
641 | */ |
642 | private void onTaskEnded( final TaskEvent event ) |
643 | { |
644 | if ( event == null ) |
645 | { |
646 | throw new NullPointerException( "event" ); |
647 | } |
648 | if ( event.getType() != TaskEvent.ENDED ) |
649 | { |
650 | throw new IllegalArgumentException( Integer.toString( event.getType() ) ); |
651 | } |
652 | |
653 | final Runnable taskEnded = new Runnable() |
654 | { |
655 | |
656 | public void run() |
657 | { |
658 | synchronized ( tasks ) |
659 | { |
660 | final MonitorState state = (MonitorState) tasks.remove( event.getTask() ); |
661 | |
662 | assert state != null : "Expected a started task."; |
663 | |
664 | state.visibleMillis = Long.MIN_VALUE; |
665 | |
666 | SwingUtilities.invokeLater( new Runnable() |
667 | { |
668 | |
669 | public void run() |
670 | { |
671 | state.panel.getCancelButton().removeActionListener( state.cancelListener ); |
672 | state.panel.setVisible( false ); |
673 | getDialog().remove( state.panel ); |
674 | updateProgressDialog(); // Ensure dialog gets closed. |
675 | } |
676 | |
677 | } ); |
678 | } |
679 | } |
680 | |
681 | }; |
682 | |
683 | synchronized ( tasks ) |
684 | { |
685 | final MonitorState state = (MonitorState) tasks.get( event.getTask() ); |
686 | |
687 | assert state != null : "Expected a started task."; |
688 | |
689 | SwingUtilities.invokeLater( new Runnable() |
690 | { |
691 | |
692 | public void run() |
693 | { |
694 | state.panel.getTimeLabel().setText( getTaskCompletedMessage( getLocale(), new Date() ) ); |
695 | } |
696 | |
697 | } ); |
698 | |
699 | if ( state.visibleMillis > 0L |
700 | && System.currentTimeMillis() - state.visibleMillis < getMinimumTaskDuration() ) |
701 | { |
702 | try |
703 | { |
704 | timer.schedule( new TimerTask() |
705 | { |
706 | |
707 | public void run() |
708 | { |
709 | taskEnded.run(); |
710 | } |
711 | |
712 | }, getMinimumTaskDuration() ); |
713 | } |
714 | catch ( final IllegalStateException e ) |
715 | { |
716 | getLogger().error( e ); |
717 | taskEnded.run(); |
718 | } |
719 | } |
720 | else |
721 | { |
722 | taskEnded.run(); |
723 | } |
724 | } |
725 | } |
726 | |
727 | /** |
728 | * Monitors a {@code Task}'s state. |
729 | * |
730 | * @param event The {@code TaskEvent} indicating a state change of a {@code Task}. |
731 | * |
732 | * @throws NullPointerException if {@code event} is {@code null}. |
733 | * @throws IllegalArgumentException if {@code event.getType()} is not equal to {@link TaskEvent#CHANGED_STATE}. |
734 | */ |
735 | private void onTaskChangedState( final TaskEvent event ) |
736 | { |
737 | if ( event == null ) |
738 | { |
739 | throw new NullPointerException( "event" ); |
740 | } |
741 | if ( event.getType() != TaskEvent.CHANGED_STATE ) |
742 | { |
743 | throw new IllegalArgumentException( Integer.toString( event.getType() ) ); |
744 | } |
745 | |
746 | synchronized ( tasks ) |
747 | { |
748 | final MonitorState state = (MonitorState) tasks.get( event.getTask() ); |
749 | |
750 | assert state != null : "Expected a started task."; |
751 | |
752 | final int progress; |
753 | final boolean indeterminate; |
754 | final Message progressDescription = state.task.getProgressDescription(); |
755 | |
756 | if ( !state.task.isIndeterminate() ) |
757 | { |
758 | progress = state.task.getProgress(); |
759 | indeterminate = false; |
760 | } |
761 | else |
762 | { |
763 | progress = Integer.MIN_VALUE; |
764 | indeterminate = true; |
765 | } |
766 | |
767 | SwingUtilities.invokeLater( new Runnable() |
768 | { |
769 | |
770 | public void run() |
771 | { |
772 | if ( !indeterminate ) |
773 | { |
774 | state.panel.getProgressBar().setValue( progress ); |
775 | } |
776 | |
777 | if ( progressDescription != null ) |
778 | { |
779 | final String oldText = state.panel.getProgressDescriptionLabel().getText(); |
780 | final String newText = progressDescription.getText( getLocale() ); |
781 | |
782 | if ( oldText == null || !oldText.equals( newText ) ) |
783 | { |
784 | state.panel.getProgressDescriptionLabel().setText( newText ); |
785 | |
786 | if ( !state.panel.getProgressDescriptionLabel().isVisible() ) |
787 | { |
788 | state.panel.getProgressDescriptionLabel().setVisible( true ); |
789 | } |
790 | } |
791 | } |
792 | else if ( state.panel.getProgressDescriptionLabel().isVisible() ) |
793 | { |
794 | state.panel.getProgressDescriptionLabel().setVisible( false ); |
795 | } |
796 | } |
797 | |
798 | } ); |
799 | } |
800 | } |
801 | |
802 | /** Updates the {@code ProgressDialog}. */ |
803 | private void updateProgressDialog() |
804 | { |
805 | synchronized ( this.tasks ) |
806 | { |
807 | if ( this.tasks.size() > 0 ) |
808 | { |
809 | final long now = System.currentTimeMillis(); |
810 | |
811 | if ( this.popupDecisionMillis == NO_POPUPDECISION ) |
812 | { |
813 | this.popupDecisionMillis = now; |
814 | } |
815 | else if ( now - this.popupDecisionMillis > this.getMillisToDecideToPopup() ) |
816 | { |
817 | // If any task's operation runs longer than millisToPopup, show the dialog. |
818 | for ( final Iterator it = this.tasks.entrySet().iterator(); it.hasNext(); ) |
819 | { |
820 | final Map.Entry entry = (Map.Entry) it.next(); |
821 | final MonitorState state = (MonitorState) entry.getValue(); |
822 | |
823 | if ( !state.task.isIndeterminate() ) |
824 | { |
825 | final long progressed = state.task.getProgress() - state.task.getMinimum(); |
826 | final long predicted = ( now - state.task.getTimestamp() ) |
827 | * ( state.task.getMaximum() - state.task.getMinimum() ) |
828 | / ( progressed == 0L ? 1L : progressed ); |
829 | |
830 | final Calendar cal = Calendar.getInstance(); |
831 | cal.setTimeInMillis( state.task.getTimestamp() + predicted ); |
832 | |
833 | if ( progressed > 0L ) |
834 | { |
835 | SwingUtilities.invokeLater( new Runnable() |
836 | { |
837 | |
838 | public void run() |
839 | { |
840 | state.panel.getTimeLabel().setText( getExpectedEndMessage( |
841 | getLocale(), cal.getTime() ) ); |
842 | |
843 | if ( state.panel.getProgressBar().isIndeterminate() ) |
844 | { |
845 | state.panel.getProgressBar().setIndeterminate( false ); |
846 | } |
847 | } |
848 | |
849 | } ); |
850 | } |
851 | } |
852 | |
853 | if ( state.visibleMillis < 0L && now - state.task.getTimestamp() > this.getMillisToPopup() ) |
854 | { |
855 | state.visibleMillis = System.currentTimeMillis(); |
856 | |
857 | SwingUtilities.invokeLater( new Runnable() |
858 | { |
859 | |
860 | public void run() |
861 | { |
862 | state.panel.setVisible( true ); |
863 | getDialog().pack(); |
864 | |
865 | if ( !getDialog().isVisible() ) |
866 | { |
867 | getDialog().setLocationRelativeTo( getParent() ); |
868 | getDialog().setVisible( true ); |
869 | } |
870 | } |
871 | |
872 | } ); |
873 | } |
874 | } |
875 | } |
876 | } |
877 | else |
878 | { |
879 | SwingUtilities.invokeLater( new Runnable() |
880 | { |
881 | |
882 | public void run() |
883 | { |
884 | closeDialog(); |
885 | } |
886 | |
887 | } ); |
888 | |
889 | this.popupDecisionMillis = NO_POPUPDECISION; |
890 | } |
891 | } |
892 | } |
893 | |
894 | /** Finalizes the instance by canceling timers. */ |
895 | protected void finalize() throws Throwable |
896 | { |
897 | this.timer.cancel(); |
898 | super.finalize(); |
899 | } |
900 | |
901 | //----------------------------------------------------SwingProgressMonitor-- |
902 | //--Messages---------------------------------------------------------------- |
903 | |
904 | // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:jdtausMessages |
905 | // This section is managed by jdtaus-container-mojo. |
906 | |
907 | /** |
908 | * Gets the text of message <code>unknownTaskEventType</code>. |
909 | * <blockquote><pre>Verarbeitungsereignis unbekannten Typs {0,number} ignoriert.</pre></blockquote> |
910 | * <blockquote><pre>Ignored task event of unknown type {0,number}.</pre></blockquote> |
911 | * |
912 | * @param locale The locale of the message instance to return. |
913 | * @param unknownEventType The unknown type of the event. |
914 | * |
915 | * @return Message stating that an unknown task event got ignored. |
916 | */ |
917 | private String getUnknownTaskEventTypeMessage( final Locale locale, |
918 | final java.lang.Number unknownEventType ) |
919 | { |
920 | return ContainerFactory.getContainer(). |
921 | getMessage( this, "unknownTaskEventType", locale, |
922 | new Object[] |
923 | { |
924 | unknownEventType |
925 | }); |
926 | |
927 | } |
928 | |
929 | /** |
930 | * Gets the text of message <code>taskAlreadyStarted</code>. |
931 | * <blockquote><pre>Verarbeitung "{0}" wurde um {1,time,long} bereits gestartet.</pre></blockquote> |
932 | * <blockquote><pre>Task "{0}" has already been started at {1,time,long}.</pre></blockquote> |
933 | * |
934 | * @param locale The locale of the message instance to return. |
935 | * @param taskDescription The description of the task. |
936 | * @param startDate The time the task started. |
937 | * |
938 | * @return Message stating that a task already has been started. |
939 | */ |
940 | private String getTaskAlreadyStartedMessage( final Locale locale, |
941 | final java.lang.String taskDescription, |
942 | final java.util.Date startDate ) |
943 | { |
944 | return ContainerFactory.getContainer(). |
945 | getMessage( this, "taskAlreadyStarted", locale, |
946 | new Object[] |
947 | { |
948 | taskDescription, |
949 | startDate |
950 | }); |
951 | |
952 | } |
953 | |
954 | /** |
955 | * Gets the text of message <code>expectedEnd</code>. |
956 | * <blockquote><pre>Voraussichtliches Ende am {0,date,full} um {0,time,medium} Uhr.</pre></blockquote> |
957 | * <blockquote><pre>Expected end approximately at {0,date,full} {0,time,medium}.</pre></blockquote> |
958 | * |
959 | * @param locale The locale of the message instance to return. |
960 | * @param expectedEnd The expected end of the task. |
961 | * |
962 | * @return Message stating the expected end of a task. |
963 | */ |
964 | private String getExpectedEndMessage( final Locale locale, |
965 | final java.util.Date expectedEnd ) |
966 | { |
967 | return ContainerFactory.getContainer(). |
968 | getMessage( this, "expectedEnd", locale, |
969 | new Object[] |
970 | { |
971 | expectedEnd |
972 | }); |
973 | |
974 | } |
975 | |
976 | /** |
977 | * Gets the text of message <code>computingExpectedDuration</code>. |
978 | * <blockquote><pre>Berechnet voraussichtliche Dauer...</pre></blockquote> |
979 | * <blockquote><pre>Computing expected duration...</pre></blockquote> |
980 | * |
981 | * @param locale The locale of the message instance to return. |
982 | * |
983 | * @return Message stating the expected duration of a task is being computed. |
984 | */ |
985 | private String getComputingExpectedDurationMessage( final Locale locale ) |
986 | { |
987 | return ContainerFactory.getContainer(). |
988 | getMessage( this, "computingExpectedDuration", locale, null ); |
989 | |
990 | } |
991 | |
992 | /** |
993 | * Gets the text of message <code>indeterminateDuration</code>. |
994 | * <blockquote><pre>Keine Laufzeitinformationen verfügbar.</pre></blockquote> |
995 | * <blockquote><pre>No duration information available.</pre></blockquote> |
996 | * |
997 | * @param locale The locale of the message instance to return. |
998 | * |
999 | * @return Message stating the a task is indeterminate. |
1000 | */ |
1001 | private String getIndeterminateDurationMessage( final Locale locale ) |
1002 | { |
1003 | return ContainerFactory.getContainer(). |
1004 | getMessage( this, "indeterminateDuration", locale, null ); |
1005 | |
1006 | } |
1007 | |
1008 | /** |
1009 | * Gets the text of message <code>taskCompleted</code>. |
1010 | * <blockquote><pre>Vorgang am {0,date,full} um {0,time,medium} Uhr abgeschlossen.</pre></blockquote> |
1011 | * <blockquote><pre>Task completed at {0,date,full} {0,time,medium}.</pre></blockquote> |
1012 | * |
1013 | * @param locale The locale of the message instance to return. |
1014 | * @param completedDate The date the task completed. |
1015 | * |
1016 | * @return Message stating that a task completed. |
1017 | */ |
1018 | private String getTaskCompletedMessage( final Locale locale, |
1019 | final java.util.Date completedDate ) |
1020 | { |
1021 | return ContainerFactory.getContainer(). |
1022 | getMessage( this, "taskCompleted", locale, |
1023 | new Object[] |
1024 | { |
1025 | completedDate |
1026 | }); |
1027 | |
1028 | } |
1029 | |
1030 | /** |
1031 | * Gets the text of message <code>taskCancelled</code>. |
1032 | * <blockquote><pre>Abgebrochen</pre></blockquote> |
1033 | * <blockquote><pre>Cancelled</pre></blockquote> |
1034 | * |
1035 | * @param locale The locale of the message instance to return. |
1036 | * |
1037 | * @return Message stating that a task is cancelled. |
1038 | */ |
1039 | private String getTaskCancelledMessage( final Locale locale ) |
1040 | { |
1041 | return ContainerFactory.getContainer(). |
1042 | getMessage( this, "taskCancelled", locale, null ); |
1043 | |
1044 | } |
1045 | |
1046 | // </editor-fold>//GEN-END:jdtausMessages |
1047 | |
1048 | //----------------------------------------------------------------Messages-- |
1049 | } |
1050 | |
1051 | /** |
1052 | * {@code JPanel} displaying the progress for a {@code Task}. |
1053 | * |
1054 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
1055 | * @version $JDTAUS: SwingProgressMonitor.java 8743 2012-10-07 03:06:20Z schulte $ |
1056 | */ |
1057 | class ProgressPanel extends JPanel |
1058 | { |
1059 | //--ProgressPanel----------------------------------------------------------- |
1060 | |
1061 | /** Serial version UID for backwards compatibility with 1.1.x classes. */ |
1062 | private static final long serialVersionUID = 7471966908616369847L; |
1063 | |
1064 | /** {@code JLabel} for displaying a {@code Task}s progress description. */ |
1065 | private final JLabel progressDescriptionLabel; |
1066 | |
1067 | /** {@code JLabel} for displaying the time to run. */ |
1068 | private final JLabel timeLabel; |
1069 | |
1070 | /** {@code JProgressBar} for displaying a {@code Task}s progress. */ |
1071 | private final JProgressBar progressBar; |
1072 | |
1073 | /** {@code JButton} for canceling a {@code Task}. */ |
1074 | private final JButton cancelButton; |
1075 | |
1076 | /** Creates a new {@code ProgressPanel} instance. */ |
1077 | ProgressPanel( final int columns ) |
1078 | { |
1079 | final char[] chars = new char[ columns ]; |
1080 | Arrays.fill( chars, 'W' ); |
1081 | |
1082 | this.timeLabel = new JLabel(); |
1083 | this.timeLabel.setFont( this.timeLabel.getFont().deriveFont( this.timeLabel.getFont().getSize2D() - 2.0F ) ); |
1084 | this.timeLabel.setText( String.valueOf( chars ) ); |
1085 | // Use the peer's preferred size for columns times 'W' char. |
1086 | this.timeLabel.setPreferredSize( this.timeLabel.getPreferredSize() ); |
1087 | this.timeLabel.setText( null ); |
1088 | this.progressDescriptionLabel = new JLabel(); |
1089 | |
1090 | this.progressBar = new JProgressBar(); |
1091 | this.cancelButton = new JButton(); |
1092 | this.cancelButton.setText( UIManager.getString( "OptionPane.cancelButtonText" ) ); |
1093 | this.setLayout( new GridBagLayout() ); |
1094 | |
1095 | GridBagConstraints c = new GridBagConstraints(); |
1096 | c.gridwidth = GridBagConstraints.REMAINDER; |
1097 | c.anchor = GridBagConstraints.NORTHWEST; |
1098 | c.weightx = 1.0D; |
1099 | c.fill = GridBagConstraints.HORIZONTAL; |
1100 | c.insets = new Insets( 10, 25, 10, 25 ); |
1101 | this.add( this.getProgressBar(), c ); |
1102 | |
1103 | c = new GridBagConstraints(); |
1104 | c.gridwidth = GridBagConstraints.REMAINDER; |
1105 | c.anchor = GridBagConstraints.NORTHWEST; |
1106 | c.weightx = 1.0D; |
1107 | c.fill = GridBagConstraints.HORIZONTAL; |
1108 | c.insets = new Insets( 0, 25, 10, 25 ); |
1109 | this.add( this.getProgressDescriptionLabel(), c ); |
1110 | |
1111 | c = new GridBagConstraints(); |
1112 | c.gridwidth = GridBagConstraints.REMAINDER; |
1113 | c.anchor = GridBagConstraints.SOUTHEAST; |
1114 | c.weightx = 1.0D; |
1115 | c.insets = new Insets( 10, 25, 10, 25 ); |
1116 | this.add( this.getCancelButton(), c ); |
1117 | |
1118 | c = new GridBagConstraints(); |
1119 | c.gridwidth = GridBagConstraints.REMAINDER; |
1120 | c.weightx = 1.0D; |
1121 | c.weighty = 1.0D; |
1122 | c.anchor = GridBagConstraints.SOUTHWEST; |
1123 | c.insets = new Insets( 10, 25, 0, 25 ); |
1124 | c.fill = GridBagConstraints.HORIZONTAL; |
1125 | this.add( this.getTimeLabel(), c ); |
1126 | } |
1127 | |
1128 | JLabel getProgressDescriptionLabel() |
1129 | { |
1130 | return this.progressDescriptionLabel; |
1131 | } |
1132 | |
1133 | JLabel getTimeLabel() |
1134 | { |
1135 | return this.timeLabel; |
1136 | } |
1137 | |
1138 | JProgressBar getProgressBar() |
1139 | { |
1140 | return this.progressBar; |
1141 | } |
1142 | |
1143 | JButton getCancelButton() |
1144 | { |
1145 | return this.cancelButton; |
1146 | } |
1147 | |
1148 | //-----------------------------------------------------------ProgressPanel-- |
1149 | } |
1150 | |
1151 | /** |
1152 | * {@code JDialog} displaying the progress of all {@code Task}s. |
1153 | * |
1154 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
1155 | * @version $JDTAUS: SwingProgressMonitor.java 8743 2012-10-07 03:06:20Z schulte $ |
1156 | */ |
1157 | class ProgressDialog extends JDialog |
1158 | { |
1159 | //--ProgressDialog---------------------------------------------------------- |
1160 | |
1161 | /** Serial version UID for backwards compatibility with 1.1.x classes. */ |
1162 | private static final long serialVersionUID = -8959350486356163001L; |
1163 | |
1164 | /** |
1165 | * Creates a new {@code ProgressDialog} taking the owning frame. |
1166 | * |
1167 | * @param owner the frame owning the dialog. |
1168 | */ |
1169 | ProgressDialog( final Frame owner ) |
1170 | { |
1171 | super( owner, true ); |
1172 | this.initializeDialog(); |
1173 | } |
1174 | |
1175 | /** |
1176 | * Creates a new {@code ProgressDialog} taking the owning dialog. |
1177 | * |
1178 | * @param owner the dialog owning the dialog. |
1179 | */ |
1180 | ProgressDialog( final Dialog owner ) |
1181 | { |
1182 | super( owner, true ); |
1183 | this.initializeDialog(); |
1184 | } |
1185 | |
1186 | /** Sets the layout and title of the dialog. */ |
1187 | private void initializeDialog() |
1188 | { |
1189 | this.getContentPane().setLayout( new GridBagLayout() ); |
1190 | this.setDefaultCloseOperation( DO_NOTHING_ON_CLOSE ); |
1191 | this.setTitle( UIManager.getString( "ProgressMonitor.progressText" ) ); |
1192 | } |
1193 | |
1194 | void add( final ProgressPanel panel ) |
1195 | { |
1196 | if ( panel == null ) |
1197 | { |
1198 | throw new NullPointerException( "panel" ); |
1199 | } |
1200 | |
1201 | final GridBagConstraints c = new GridBagConstraints(); |
1202 | c.gridwidth = GridBagConstraints.REMAINDER; |
1203 | c.anchor = GridBagConstraints.NORTHWEST; |
1204 | c.weightx = 1.0D; |
1205 | c.weighty = 1.0D; |
1206 | c.fill = GridBagConstraints.BOTH; |
1207 | |
1208 | synchronized ( this.getTreeLock() ) |
1209 | { |
1210 | this.getContentPane().add( panel, c ); |
1211 | } |
1212 | } |
1213 | |
1214 | void remove( final ProgressPanel panel ) |
1215 | { |
1216 | if ( panel == null ) |
1217 | { |
1218 | throw new NullPointerException( "panel" ); |
1219 | } |
1220 | |
1221 | synchronized ( this.getTreeLock() ) |
1222 | { |
1223 | this.getContentPane().remove( panel ); |
1224 | this.validate(); |
1225 | } |
1226 | } |
1227 | |
1228 | //----------------------------------------------------------ProgressDialog-- |
1229 | } |