source: josm/trunk/src/org/openstreetmap/josm/gui/MapStatus.java@ 7206

Last change on this file since 7206 was 7135, checked in by simon04, 10 years ago

Display numbers in map status line according to locale/language
  • Property svn:eol-style set to native
File size: 41.4 KB
Line 
1// License: GPL. See LICENSE file for details.
2package org.openstreetmap.josm.gui;
3
4import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
5import static org.openstreetmap.josm.tools.I18n.marktr;
6import static org.openstreetmap.josm.tools.I18n.tr;
7
8import java.awt.AWTEvent;
9import java.awt.Color;
10import java.awt.Component;
11import java.awt.Cursor;
12import java.awt.Dimension;
13import java.awt.EventQueue;
14import java.awt.Font;
15import java.awt.GridBagLayout;
16import java.awt.Point;
17import java.awt.SystemColor;
18import java.awt.Toolkit;
19import java.awt.event.AWTEventListener;
20import java.awt.event.ActionEvent;
21import java.awt.event.InputEvent;
22import java.awt.event.KeyAdapter;
23import java.awt.event.KeyEvent;
24import java.awt.event.MouseAdapter;
25import java.awt.event.MouseEvent;
26import java.awt.event.MouseListener;
27import java.awt.event.MouseMotionListener;
28import java.lang.reflect.InvocationTargetException;
29import java.text.DecimalFormat;
30import java.util.ArrayList;
31import java.util.Collection;
32import java.util.ConcurrentModificationException;
33import java.util.List;
34import java.util.TreeSet;
35
36import javax.swing.AbstractAction;
37import javax.swing.BorderFactory;
38import javax.swing.JCheckBoxMenuItem;
39import javax.swing.JLabel;
40import javax.swing.JMenuItem;
41import javax.swing.JPanel;
42import javax.swing.JPopupMenu;
43import javax.swing.JProgressBar;
44import javax.swing.JScrollPane;
45import javax.swing.JSeparator;
46import javax.swing.Popup;
47import javax.swing.PopupFactory;
48import javax.swing.UIManager;
49import javax.swing.event.PopupMenuEvent;
50import javax.swing.event.PopupMenuListener;
51
52import org.openstreetmap.josm.Main;
53import org.openstreetmap.josm.data.SystemOfMeasurement;
54import org.openstreetmap.josm.data.Preferences.PreferenceChangeEvent;
55import org.openstreetmap.josm.data.Preferences.PreferenceChangedListener;
56import org.openstreetmap.josm.data.coor.CoordinateFormat;
57import org.openstreetmap.josm.data.coor.LatLon;
58import org.openstreetmap.josm.data.osm.DataSet;
59import org.openstreetmap.josm.data.osm.OsmPrimitive;
60import org.openstreetmap.josm.data.osm.Way;
61import org.openstreetmap.josm.data.preferences.ColorProperty;
62import org.openstreetmap.josm.gui.NavigatableComponent.SoMChangeListener;
63import org.openstreetmap.josm.gui.help.Helpful;
64import org.openstreetmap.josm.gui.preferences.projection.ProjectionPreference;
65import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor;
66import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor.ProgressMonitorDialog;
67import org.openstreetmap.josm.gui.util.GuiHelper;
68import org.openstreetmap.josm.gui.widgets.ImageLabel;
69import org.openstreetmap.josm.gui.widgets.JosmTextField;
70import org.openstreetmap.josm.tools.Destroyable;
71import org.openstreetmap.josm.tools.GBC;
72import org.openstreetmap.josm.tools.ImageProvider;
73
74/**
75 * A component that manages some status information display about the map.
76 * It keeps a status line below the map up to date and displays some tooltip
77 * information if the user hold the mouse long enough at some point.
78 *
79 * All this is done in background to not disturb other processes.
80 *
81 * The background thread does not alter any data of the map (read only thread).
82 * Also it is rather fail safe. In case of some error in the data, it just does
83 * nothing instead of whining and complaining.
84 *
85 * @author imi
86 */
87public class MapStatus extends JPanel implements Helpful, Destroyable, PreferenceChangedListener {
88
89 private static final DecimalFormat ONE_DECIMAL_PLACE = new DecimalFormat("0.0");
90
91 /**
92 * Property for map status background color.
93 * @since 6789
94 */
95 public static final ColorProperty PROP_BACKGROUND_COLOR = new ColorProperty(
96 marktr("Status bar background"), Color.decode("#b8cfe5"));
97
98 /**
99 * Property for map status background color (active state).
100 * @since 6789
101 */
102 public static final ColorProperty PROP_ACTIVE_BACKGROUND_COLOR = new ColorProperty(
103 marktr("Status bar background: active"), Color.decode("#aaff5e"));
104
105 /**
106 * Property for map status foreground color.
107 * @since 6789
108 */
109 public static final ColorProperty PROP_FOREGROUND_COLOR = new ColorProperty(
110 marktr("Status bar foreground"), Color.black);
111
112 /**
113 * Property for map status foreground color (active state).
114 * @since 6789
115 */
116 public static final ColorProperty PROP_ACTIVE_FOREGROUND_COLOR = new ColorProperty(
117 marktr("Status bar foreground: active"), Color.black);
118
119 /**
120 * The MapView this status belongs to.
121 */
122 final MapView mv;
123 final Collector collector;
124
125 public class BackgroundProgressMonitor implements ProgressMonitorDialog {
126
127 private String title;
128 private String customText;
129
130 private void updateText() {
131 if (customText != null && !customText.isEmpty()) {
132 progressBar.setToolTipText(tr("{0} ({1})", title, customText));
133 } else {
134 progressBar.setToolTipText(title);
135 }
136 }
137
138 @Override
139 public void setVisible(boolean visible) {
140 progressBar.setVisible(visible);
141 }
142
143 @Override
144 public void updateProgress(int progress) {
145 progressBar.setValue(progress);
146 progressBar.repaint();
147 MapStatus.this.doLayout();
148 }
149
150 @Override
151 public void setCustomText(String text) {
152 this.customText = text;
153 updateText();
154 }
155
156 @Override
157 public void setCurrentAction(String text) {
158 this.title = text;
159 updateText();
160 }
161
162 @Override
163 public void setIndeterminate(boolean newValue) {
164 UIManager.put("ProgressBar.cycleTime", UIManager.getInt("ProgressBar.repaintInterval") * 100);
165 progressBar.setIndeterminate(newValue);
166 }
167
168 @Override
169 public void appendLogMessage(String message) {
170 if (message != null && !message.isEmpty()) {
171 Main.info("appendLogMessage not implemented for background tasks. Message was: " + message);
172 }
173 }
174
175 }
176
177 final ImageLabel latText = new ImageLabel("lat", tr("The geographic latitude at the mouse pointer."), 11, PROP_BACKGROUND_COLOR.get());
178 final ImageLabel lonText = new ImageLabel("lon", tr("The geographic longitude at the mouse pointer."), 11, PROP_BACKGROUND_COLOR.get());
179 final ImageLabel headingText = new ImageLabel("heading", tr("The (compass) heading of the line segment being drawn."), 6, PROP_BACKGROUND_COLOR.get());
180 final ImageLabel angleText = new ImageLabel("angle", tr("The angle between the previous and the current way segment."), 6, PROP_BACKGROUND_COLOR.get());
181 final ImageLabel distText = new ImageLabel("dist", tr("The length of the new way segment being drawn."), 10, PROP_BACKGROUND_COLOR.get());
182 final ImageLabel nameText = new ImageLabel("name", tr("The name of the object at the mouse pointer."), 20, PROP_BACKGROUND_COLOR.get());
183 final JosmTextField helpText = new JosmTextField();
184 final JProgressBar progressBar = new JProgressBar();
185 public final BackgroundProgressMonitor progressMonitor = new BackgroundProgressMonitor();
186
187 private final SoMChangeListener somListener;
188
189 // Distance value displayed in distText, stored if refresh needed after a change of system of measurement
190 private double distValue;
191
192 // Determines if angle panel is enabled or not
193 private boolean angleEnabled = false;
194
195 /**
196 * This is the thread that runs in the background and collects the information displayed.
197 * It gets destroyed by destroy() when the MapFrame itself is destroyed.
198 */
199 private Thread thread;
200
201 private final List<StatusTextHistory> statusText = new ArrayList<>();
202
203 private static class StatusTextHistory {
204 final Object id;
205 final String text;
206
207 public StatusTextHistory(Object id, String text) {
208 this.id = id;
209 this.text = text;
210 }
211
212 @Override
213 public boolean equals(Object obj) {
214 return obj instanceof StatusTextHistory && ((StatusTextHistory)obj).id == id;
215 }
216
217 @Override
218 public int hashCode() {
219 return System.identityHashCode(id);
220 }
221 }
222
223 /**
224 * The collector class that waits for notification and then update
225 * the display objects.
226 *
227 * @author imi
228 */
229 private final class Collector implements Runnable {
230 /**
231 * the mouse position of the previous iteration. This is used to show
232 * the popup until the cursor is moved.
233 */
234 private Point oldMousePos;
235 /**
236 * Contains the labels that are currently shown in the information
237 * popup
238 */
239 private List<JLabel> popupLabels = null;
240 /**
241 * The popup displayed to show additional information
242 */
243 private Popup popup;
244
245 private MapFrame parent;
246
247 public Collector(MapFrame parent) {
248 this.parent = parent;
249 }
250
251 /**
252 * Execution function for the Collector.
253 */
254 @Override
255 public void run() {
256 registerListeners();
257 try {
258 for (;;) {
259
260 final MouseState ms = new MouseState();
261 synchronized (this) {
262 // TODO Would be better if the timeout wasn't necessary
263 try {
264 wait(1000);
265 } catch (InterruptedException e) {
266 // Occurs frequently during JOSM shutdown, log set to trace only
267 Main.trace("InterruptedException in "+MapStatus.class.getSimpleName());
268 }
269 ms.modifiers = mouseState.modifiers;
270 ms.mousePos = mouseState.mousePos;
271 }
272 if (parent != Main.map)
273 return; // exit, if new parent.
274
275 // Do nothing, if required data is missing
276 if(ms.mousePos == null || mv.center == null) {
277 continue;
278 }
279
280 try {
281 EventQueue.invokeAndWait(new Runnable() {
282
283 @Override
284 public void run() {
285 // Freeze display when holding down CTRL
286 if ((ms.modifiers & MouseEvent.CTRL_DOWN_MASK) != 0) {
287 // update the information popup's labels though, because
288 // the selection might have changed from the outside
289 popupUpdateLabels();
290 return;
291 }
292
293 // This try/catch is a hack to stop the flooding bug reports about this.
294 // The exception needed to handle with in the first place, means that this
295 // access to the data need to be restarted, if the main thread modifies
296 // the data.
297 DataSet ds = null;
298 // The popup != null check is required because a left-click
299 // produces several events as well, which would make this
300 // variable true. Of course we only want the popup to show
301 // if the middle mouse button has been pressed in the first
302 // place
303 boolean mouseNotMoved = oldMousePos != null
304 && oldMousePos.equals(ms.mousePos);
305 boolean isAtOldPosition = mouseNotMoved && popup != null;
306 boolean middleMouseDown = (ms.modifiers & MouseEvent.BUTTON2_DOWN_MASK) != 0;
307 try {
308 ds = mv.getCurrentDataSet();
309 if (ds != null) {
310 // This is not perfect, if current dataset was changed during execution, the lock would be useless
311 if(isAtOldPosition && middleMouseDown) {
312 // Write lock is necessary when selecting in popupCycleSelection
313 // locks can not be upgraded -> if do read lock here and write lock later (in OsmPrimitive.updateFlags)
314 // then always occurs deadlock (#5814)
315 ds.beginUpdate();
316 } else {
317 ds.getReadLock().lock();
318 }
319 }
320
321 // Set the text label in the bottom status bar
322 // "if mouse moved only" was added to stop heap growing
323 if (!mouseNotMoved) {
324 statusBarElementUpdate(ms);
325 }
326
327 // Popup Information
328 // display them if the middle mouse button is pressed and
329 // keep them until the mouse is moved
330 if (middleMouseDown || isAtOldPosition) {
331 Collection<OsmPrimitive> osms = mv.getAllNearest(ms.mousePos, OsmPrimitive.isUsablePredicate);
332
333 final JPanel c = new JPanel(new GridBagLayout());
334 final JLabel lbl = new JLabel(
335 "<html>"+tr("Middle click again to cycle through.<br>"+
336 "Hold CTRL to select directly from this list with the mouse.<hr>")+"</html>",
337 null,
338 JLabel.HORIZONTAL
339 );
340 lbl.setHorizontalAlignment(JLabel.LEFT);
341 c.add(lbl, GBC.eol().insets(2, 0, 2, 0));
342
343 // Only cycle if the mouse has not been moved and the
344 // middle mouse button has been pressed at least twice
345 // (the reason for this is the popup != null check for
346 // isAtOldPosition, see above. This is a nice side
347 // effect though, because it does not change selection
348 // of the first middle click)
349 if(isAtOldPosition && middleMouseDown) {
350 // Hand down mouse modifiers so the SHIFT mod can be
351 // handled correctly (see funcion)
352 popupCycleSelection(osms, ms.modifiers);
353 }
354
355 // These labels may need to be updated from the outside
356 // so collect them
357 List<JLabel> lbls = new ArrayList<>(osms.size());
358 for (final OsmPrimitive osm : osms) {
359 JLabel l = popupBuildPrimitiveLabels(osm);
360 lbls.add(l);
361 c.add(l, GBC.eol().fill(GBC.HORIZONTAL).insets(2, 0, 2, 2));
362 }
363
364 popupShowPopup(popupCreatePopup(c, ms), lbls);
365 } else {
366 popupHidePopup();
367 }
368
369 oldMousePos = ms.mousePos;
370 } catch (ConcurrentModificationException x) {
371 Main.warn(x);
372 } finally {
373 if (ds != null) {
374 if(isAtOldPosition && middleMouseDown) {
375 ds.endUpdate();
376 } else {
377 ds.getReadLock().unlock();
378 }
379 }
380 }
381 }
382 });
383 } catch (InterruptedException e) {
384 // Occurs frequently during JOSM shutdown, log set to trace only
385 Main.trace("InterruptedException in "+MapStatus.class.getSimpleName());
386 } catch (InvocationTargetException e) {
387 Main.warn(e);
388 }
389 }
390 } finally {
391 unregisterListeners();
392 }
393 }
394
395 /**
396 * Creates a popup for the given content next to the cursor. Tries to
397 * keep the popup on screen and shows a vertical scrollbar, if the
398 * screen is too small.
399 * @param content
400 * @param ms
401 * @return popup
402 */
403 private Popup popupCreatePopup(Component content, MouseState ms) {
404 Point p = mv.getLocationOnScreen();
405 Dimension scrn = Toolkit.getDefaultToolkit().getScreenSize();
406
407 // Create a JScrollPane around the content, in case there's not enough space
408 JScrollPane sp = GuiHelper.embedInVerticalScrollPane(content);
409 sp.setBorder(BorderFactory.createRaisedBevelBorder());
410 // Implement max-size content-independent
411 Dimension prefsize = sp.getPreferredSize();
412 int w = Math.min(prefsize.width, Math.min(800, (scrn.width/2) - 16));
413 int h = Math.min(prefsize.height, scrn.height - 10);
414 sp.setPreferredSize(new Dimension(w, h));
415
416 int xPos = p.x + ms.mousePos.x + 16;
417 // Display the popup to the left of the cursor if it would be cut
418 // off on its right, but only if more space is available
419 if(xPos + w > scrn.width && xPos > scrn.width/2) {
420 xPos = p.x + ms.mousePos.x - 4 - w;
421 }
422 int yPos = p.y + ms.mousePos.y + 16;
423 // Move the popup up if it would be cut off at its bottom but do not
424 // move it off screen on the top
425 if(yPos + h > scrn.height - 5) {
426 yPos = Math.max(5, scrn.height - h - 5);
427 }
428
429 PopupFactory pf = PopupFactory.getSharedInstance();
430 return pf.getPopup(mv, sp, xPos, yPos);
431 }
432
433 /**
434 * Calls this to update the element that is shown in the statusbar
435 * @param ms
436 */
437 private void statusBarElementUpdate(MouseState ms) {
438 final OsmPrimitive osmNearest = mv.getNearestNodeOrWay(ms.mousePos, OsmPrimitive.isUsablePredicate, false);
439 if (osmNearest != null) {
440 nameText.setText(osmNearest.getDisplayName(DefaultNameFormatter.getInstance()));
441 } else {
442 nameText.setText(tr("(no object)"));
443 }
444 }
445
446 /**
447 * Call this with a set of primitives to cycle through them. Method
448 * will automatically select the next item and update the map
449 * @param osms primitives to cycle through
450 * @param mods modifiers (i.e. control keys)
451 */
452 private void popupCycleSelection(Collection<OsmPrimitive> osms, int mods) {
453 DataSet ds = Main.main.getCurrentDataSet();
454 // Find some items that are required for cycling through
455 OsmPrimitive firstItem = null;
456 OsmPrimitive firstSelected = null;
457 OsmPrimitive nextSelected = null;
458 for (final OsmPrimitive osm : osms) {
459 if(firstItem == null) {
460 firstItem = osm;
461 }
462 if(firstSelected != null && nextSelected == null) {
463 nextSelected = osm;
464 }
465 if(firstSelected == null && ds.isSelected(osm)) {
466 firstSelected = osm;
467 }
468 }
469
470 // Clear previous selection if SHIFT (add to selection) is not
471 // pressed. Cannot use "setSelected()" because it will cause a
472 // fireSelectionChanged event which is unnecessary at this point.
473 if((mods & MouseEvent.SHIFT_DOWN_MASK) == 0) {
474 ds.clearSelection();
475 }
476
477 // This will cycle through the available items.
478 if(firstSelected == null) {
479 ds.addSelected(firstItem);
480 } else {
481 ds.clearSelection(firstSelected);
482 if(nextSelected != null) {
483 ds.addSelected(nextSelected);
484 }
485 }
486 }
487
488 /**
489 * Tries to hide the given popup
490 */
491 private void popupHidePopup() {
492 popupLabels = null;
493 if(popup == null)
494 return;
495 final Popup staticPopup = popup;
496 popup = null;
497 EventQueue.invokeLater(new Runnable(){
498 @Override
499 public void run() {
500 staticPopup.hide();
501 }});
502 }
503
504 /**
505 * Tries to show the given popup, can be hidden using {@link #popupHidePopup}
506 * If an old popup exists, it will be automatically hidden
507 * @param newPopup popup to show
508 * @param lbls lables to show (see {@link #popupLabels})
509 */
510 private void popupShowPopup(Popup newPopup, List<JLabel> lbls) {
511 final Popup staticPopup = newPopup;
512 if(this.popup != null) {
513 // If an old popup exists, remove it when the new popup has been
514 // drawn to keep flickering to a minimum
515 final Popup staticOldPopup = this.popup;
516 EventQueue.invokeLater(new Runnable(){
517 @Override public void run() {
518 staticPopup.show();
519 staticOldPopup.hide();
520 }
521 });
522 } else {
523 // There is no old popup
524 EventQueue.invokeLater(new Runnable(){
525 @Override public void run() { staticPopup.show(); }});
526 }
527 this.popupLabels = lbls;
528 this.popup = newPopup;
529 }
530
531 /**
532 * This method should be called if the selection may have changed from
533 * outside of this class. This is the case when CTRL is pressed and the
534 * user clicks on the map instead of the popup.
535 */
536 private void popupUpdateLabels() {
537 if(this.popup == null || this.popupLabels == null)
538 return;
539 for(JLabel l : this.popupLabels) {
540 l.validate();
541 }
542 }
543
544 /**
545 * Sets the colors for the given label depending on the selected status of
546 * the given OsmPrimitive
547 *
548 * @param lbl The label to color
549 * @param osm The primitive to derive the colors from
550 */
551 private void popupSetLabelColors(JLabel lbl, OsmPrimitive osm) {
552 DataSet ds = Main.main.getCurrentDataSet();
553 if(ds.isSelected(osm)) {
554 lbl.setBackground(SystemColor.textHighlight);
555 lbl.setForeground(SystemColor.textHighlightText);
556 } else {
557 lbl.setBackground(SystemColor.control);
558 lbl.setForeground(SystemColor.controlText);
559 }
560 }
561
562 /**
563 * Builds the labels with all necessary listeners for the info popup for the
564 * given OsmPrimitive
565 * @param osm The primitive to create the label for
566 * @return labels for info popup
567 */
568 private JLabel popupBuildPrimitiveLabels(final OsmPrimitive osm) {
569 final StringBuilder text = new StringBuilder();
570 String name = osm.getDisplayName(DefaultNameFormatter.getInstance());
571 if (osm.isNewOrUndeleted() || osm.isModified()) {
572 name = "<i><b>"+ name + "*</b></i>";
573 }
574 text.append(name);
575
576 boolean idShown = Main.pref.getBoolean("osm-primitives.showid");
577 // fix #7557 - do not show ID twice
578
579 if (!osm.isNew() && !idShown) {
580 text.append(" [id="+osm.getId()+"]");
581 }
582
583 if(osm.getUser() != null) {
584 text.append(" [" + tr("User:") + " " + osm.getUser().getName() + "]");
585 }
586
587 for (String key : osm.keySet()) {
588 text.append("<br>" + key + "=" + osm.get(key));
589 }
590
591 final JLabel l = new JLabel(
592 "<html>" +text.toString() + "</html>",
593 ImageProvider.get(osm.getDisplayType()),
594 JLabel.HORIZONTAL
595 ) {
596 // This is necessary so the label updates its colors when the
597 // selection is changed from the outside
598 @Override public void validate() {
599 super.validate();
600 popupSetLabelColors(this, osm);
601 }
602 };
603 l.setOpaque(true);
604 popupSetLabelColors(l, osm);
605 l.setFont(l.getFont().deriveFont(Font.PLAIN));
606 l.setVerticalTextPosition(JLabel.TOP);
607 l.setHorizontalAlignment(JLabel.LEFT);
608 l.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
609 l.addMouseListener(new MouseAdapter(){
610 @Override public void mouseEntered(MouseEvent e) {
611 l.setBackground(SystemColor.info);
612 l.setForeground(SystemColor.infoText);
613 }
614 @Override public void mouseExited(MouseEvent e) {
615 popupSetLabelColors(l, osm);
616 }
617 @Override public void mouseClicked(MouseEvent e) {
618 DataSet ds = Main.main.getCurrentDataSet();
619 // Let the user toggle the selection
620 ds.toggleSelected(osm);
621 l.validate();
622 }
623 });
624 // Sometimes the mouseEntered event is not catched, thus the label
625 // will not be highlighted, making it confusing. The MotionListener
626 // can correct this defect.
627 l.addMouseMotionListener(new MouseMotionListener() {
628 @Override public void mouseMoved(MouseEvent e) {
629 l.setBackground(SystemColor.info);
630 l.setForeground(SystemColor.infoText);
631 }
632 @Override public void mouseDragged(MouseEvent e) {
633 l.setBackground(SystemColor.info);
634 l.setForeground(SystemColor.infoText);
635 }
636 });
637 return l;
638 }
639 }
640
641 /**
642 * Everything, the collector is interested of. Access must be synchronized.
643 * @author imi
644 */
645 static class MouseState {
646 Point mousePos;
647 int modifiers;
648 }
649 /**
650 * The last sent mouse movement event.
651 */
652 MouseState mouseState = new MouseState();
653
654 private AWTEventListener awtListener = new AWTEventListener() {
655 @Override
656 public void eventDispatched(AWTEvent event) {
657 if (event instanceof InputEvent &&
658 ((InputEvent)event).getComponent() == mv) {
659 synchronized (collector) {
660 mouseState.modifiers = ((InputEvent)event).getModifiersEx();
661 if (event instanceof MouseEvent) {
662 mouseState.mousePos = ((MouseEvent)event).getPoint();
663 }
664 collector.notify();
665 }
666 }
667 }
668 };
669
670 private MouseMotionListener mouseMotionListener = new MouseMotionListener() {
671 @Override
672 public void mouseMoved(MouseEvent e) {
673 synchronized (collector) {
674 mouseState.modifiers = e.getModifiersEx();
675 mouseState.mousePos = e.getPoint();
676 collector.notify();
677 }
678 }
679
680 @Override
681 public void mouseDragged(MouseEvent e) {
682 mouseMoved(e);
683 }
684 };
685
686 private KeyAdapter keyAdapter = new KeyAdapter() {
687 @Override public void keyPressed(KeyEvent e) {
688 synchronized (collector) {
689 mouseState.modifiers = e.getModifiersEx();
690 collector.notify();
691 }
692 }
693
694 @Override public void keyReleased(KeyEvent e) {
695 keyPressed(e);
696 }
697 };
698
699 private void registerListeners() {
700 // Listen to keyboard/mouse events for pressing/releasing alt key and
701 // inform the collector.
702 try {
703 Toolkit.getDefaultToolkit().addAWTEventListener(awtListener,
704 AWTEvent.KEY_EVENT_MASK | AWTEvent.MOUSE_EVENT_MASK | AWTEvent.MOUSE_MOTION_EVENT_MASK);
705 } catch (SecurityException ex) {
706 mv.addMouseMotionListener(mouseMotionListener);
707 mv.addKeyListener(keyAdapter);
708 }
709 }
710
711 private void unregisterListeners() {
712 try {
713 Toolkit.getDefaultToolkit().removeAWTEventListener(awtListener);
714 } catch (SecurityException e) {
715 // Don't care, awtListener probably wasn't registered anyway
716 }
717 mv.removeMouseMotionListener(mouseMotionListener);
718 mv.removeKeyListener(keyAdapter);
719 }
720
721 private class MapStatusPopupMenu extends JPopupMenu {
722
723 private final JMenuItem jumpButton = add(Main.main.menu.jumpToAct);
724
725 private final Collection<JCheckBoxMenuItem> somItems = new ArrayList<>();
726
727 private final JSeparator separator = new JSeparator();
728
729 private final JMenuItem doNotHide = new JCheckBoxMenuItem(new AbstractAction(tr("Do not hide status bar")) {
730 @Override
731 public void actionPerformed(ActionEvent e) {
732 boolean sel = ((JCheckBoxMenuItem) e.getSource()).getState();
733 Main.pref.put("statusbar.always-visible", sel);
734 }
735 });
736
737 public MapStatusPopupMenu() {
738 for (final String key : new TreeSet<>(SystemOfMeasurement.ALL_SYSTEMS.keySet())) {
739 JCheckBoxMenuItem item = new JCheckBoxMenuItem(new AbstractAction(key) {
740 @Override
741 public void actionPerformed(ActionEvent e) {
742 updateSystemOfMeasurement(key);
743 }
744 });
745 somItems.add(item);
746 add(item);
747 }
748
749 add(separator);
750 add(doNotHide);
751
752 addPopupMenuListener(new PopupMenuListener() {
753 @Override
754 public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
755 Component invoker = ((JPopupMenu)e.getSource()).getInvoker();
756 jumpButton.setVisible(latText.equals(invoker) || lonText.equals(invoker));
757 String currentSOM = ProjectionPreference.PROP_SYSTEM_OF_MEASUREMENT.get();
758 for (JMenuItem item : somItems) {
759 item.setSelected(item.getText().equals(currentSOM));
760 item.setVisible(distText.equals(invoker));
761 }
762 separator.setVisible(distText.equals(invoker));
763 doNotHide.setSelected(Main.pref.getBoolean("statusbar.always-visible", true));
764 }
765 @Override
766 public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
767 // Do nothing
768 }
769 @Override
770 public void popupMenuCanceled(PopupMenuEvent e) {
771 // Do nothing
772 }
773 });
774 }
775 }
776
777 /**
778 * Construct a new MapStatus and attach it to the map view.
779 * @param mapFrame The MapFrame the status line is part of.
780 */
781 public MapStatus(final MapFrame mapFrame) {
782 this.mv = mapFrame.mapView;
783 this.collector = new Collector(mapFrame);
784
785 // Context menu of status bar
786 setComponentPopupMenu(new MapStatusPopupMenu());
787
788 // also show Jump To dialog on mouse click (except context menu)
789 MouseListener jumpToOnLeftClick = new MouseAdapter() {
790 @Override
791 public void mouseClicked(MouseEvent e) {
792 if (e.getButton() != MouseEvent.BUTTON3) {
793 Main.main.menu.jumpToAct.showJumpToDialog();
794 }
795 }
796 };
797
798 // Listen for mouse movements and set the position text field
799 mv.addMouseMotionListener(new MouseMotionListener(){
800 @Override
801 public void mouseDragged(MouseEvent e) {
802 mouseMoved(e);
803 }
804 @Override
805 public void mouseMoved(MouseEvent e) {
806 if (mv.center == null)
807 return;
808 // Do not update the view if ctrl is pressed.
809 if ((e.getModifiersEx() & MouseEvent.CTRL_DOWN_MASK) == 0) {
810 CoordinateFormat mCord = CoordinateFormat.getDefaultFormat();
811 LatLon p = mv.getLatLon(e.getX(),e.getY());
812 latText.setText(p.latToString(mCord));
813 lonText.setText(p.lonToString(mCord));
814 }
815 }
816 });
817
818 setLayout(new GridBagLayout());
819 setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
820
821 latText.setInheritsPopupMenu(true);
822 lonText.setInheritsPopupMenu(true);
823 headingText.setInheritsPopupMenu(true);
824 distText.setInheritsPopupMenu(true);
825 nameText.setInheritsPopupMenu(true);
826
827 add(latText, GBC.std());
828 add(lonText, GBC.std().insets(3,0,0,0));
829 add(headingText, GBC.std().insets(3,0,0,0));
830 add(angleText, GBC.std().insets(3,0,0,0));
831 add(distText, GBC.std().insets(3,0,0,0));
832
833 if (Main.pref.getBoolean("statusbar.change-system-of-measurement-on-click", true)) {
834 distText.addMouseListener(new MouseAdapter() {
835 private final List<String> soms = new ArrayList<>(new TreeSet<>(SystemOfMeasurement.ALL_SYSTEMS.keySet()));
836
837 @Override
838 public void mouseClicked(MouseEvent e) {
839 if (!e.isPopupTrigger() && e.getButton() == MouseEvent.BUTTON1) {
840 String som = ProjectionPreference.PROP_SYSTEM_OF_MEASUREMENT.get();
841 String newsom = soms.get((soms.indexOf(som)+1)%soms.size());
842 updateSystemOfMeasurement(newsom);
843 }
844 }
845 });
846 }
847
848 NavigatableComponent.addSoMChangeListener(somListener = new SoMChangeListener() {
849 @Override
850 public void systemOfMeasurementChanged(String oldSoM, String newSoM) {
851 setDist(distValue);
852 }
853 });
854
855 latText.addMouseListener(jumpToOnLeftClick);
856 lonText.addMouseListener(jumpToOnLeftClick);
857
858 helpText.setEditable(false);
859 add(nameText, GBC.std().insets(3,0,0,0));
860 add(helpText, GBC.std().insets(3,0,0,0).fill(GBC.HORIZONTAL));
861
862 progressBar.setMaximum(PleaseWaitProgressMonitor.PROGRESS_BAR_MAX);
863 progressBar.setVisible(false);
864 GBC gbc = GBC.eol();
865 gbc.ipadx = 100;
866 add(progressBar,gbc);
867 progressBar.addMouseListener(new MouseAdapter() {
868 @Override
869 public void mouseClicked(MouseEvent e) {
870 PleaseWaitProgressMonitor monitor = Main.currentProgressMonitor;
871 if (monitor != null) {
872 monitor.showForegroundDialog();
873 }
874 }
875 });
876
877 Main.pref.addPreferenceChangeListener(this);
878
879 // The background thread
880 thread = new Thread(collector, "Map Status Collector");
881 thread.setDaemon(true);
882 thread.start();
883 }
884
885 /**
886 * Updates the system of measurement and displays a notification.
887 * @param newsom The new system of measurement to set
888 * @since 6960
889 */
890 public void updateSystemOfMeasurement(String newsom) {
891 NavigatableComponent.setSystemOfMeasurement(newsom);
892 if (Main.pref.getBoolean("statusbar.notify.change-system-of-measurement", true)) {
893 new Notification(tr("System of measurement changed to {0}", newsom))
894 .setDuration(Notification.TIME_SHORT)
895 .show();
896 }
897 }
898
899 public JPanel getAnglePanel() {
900 return angleText;
901 }
902
903 @Override
904 public String helpTopic() {
905 return ht("/Statusline");
906 }
907
908 @Override
909 public synchronized void addMouseListener(MouseListener ml) {
910 //super.addMouseListener(ml);
911 lonText.addMouseListener(ml);
912 latText.addMouseListener(ml);
913 }
914
915 public void setHelpText(String t) {
916 setHelpText(null, t);
917 }
918
919 public void setHelpText(Object id, final String text) {
920
921 StatusTextHistory entry = new StatusTextHistory(id, text);
922
923 statusText.remove(entry);
924 statusText.add(entry);
925
926 GuiHelper.runInEDT(new Runnable() {
927 @Override
928 public void run() {
929 helpText.setText(text);
930 helpText.setToolTipText(text);
931 }
932 });
933 }
934
935 public void resetHelpText(Object id) {
936 if (statusText.isEmpty())
937 return;
938
939 StatusTextHistory entry = new StatusTextHistory(id, null);
940 if (statusText.get(statusText.size() - 1).equals(entry)) {
941 if (statusText.size() == 1) {
942 setHelpText("");
943 } else {
944 StatusTextHistory history = statusText.get(statusText.size() - 2);
945 setHelpText(history.id, history.text);
946 }
947 }
948 statusText.remove(entry);
949 }
950
951 public void setAngle(double a) {
952 angleText.setText(a < 0 ? "--" : ONE_DECIMAL_PLACE.format(a) + " \u00B0");
953 }
954
955 public void setHeading(double h) {
956 headingText.setText(h < 0 ? "--" : ONE_DECIMAL_PLACE.format(h) + " \u00B0");
957 }
958
959 /**
960 * Sets the distance text to the given value
961 * @param dist The distance value to display, in meters
962 */
963 public void setDist(double dist) {
964 distValue = dist;
965 distText.setText(dist < 0 ? "--" : NavigatableComponent.getDistText(dist, ONE_DECIMAL_PLACE, 0.01));
966 }
967
968 /**
969 * Sets the distance text to the total sum of given ways length
970 * @param ways The ways to consider for the total distance
971 * @since 5991
972 */
973 public void setDist(Collection<Way> ways) {
974 double dist = -1;
975 // Compute total length of selected way(s) until an arbitrary limit set to 250 ways
976 // in order to prevent performance issue if a large number of ways are selected (old behaviour kept in that case, see #8403)
977 int maxWays = Math.max(1, Main.pref.getInteger("selection.max-ways-for-statusline", 250));
978 if (!ways.isEmpty() && ways.size() <= maxWays) {
979 dist = 0.0;
980 for (Way w : ways) {
981 dist += w.getLength();
982 }
983 }
984 setDist(dist);
985 }
986
987 /**
988 * Activates the angle panel.
989 * @param activeFlag {@code true} to activate it, {@code false} to deactivate it
990 */
991 public void activateAnglePanel(boolean activeFlag) {
992 angleEnabled = activeFlag;
993 refreshAnglePanel();
994 }
995
996 private void refreshAnglePanel() {
997 angleText.setBackground(angleEnabled ? PROP_ACTIVE_BACKGROUND_COLOR.get() : PROP_BACKGROUND_COLOR.get());
998 angleText.setForeground(angleEnabled ? PROP_ACTIVE_FOREGROUND_COLOR.get() : PROP_FOREGROUND_COLOR.get());
999 }
1000
1001 @Override
1002 public void destroy() {
1003 NavigatableComponent.removeSoMChangeListener(somListener);
1004 Main.pref.removePreferenceChangeListener(this);
1005
1006 // MapFrame gets destroyed when the last layer is removed, but the status line background
1007 // thread that collects the information doesn't get destroyed automatically.
1008 if (thread != null) {
1009 try {
1010 thread.interrupt();
1011 } catch (Exception e) {
1012 Main.error(e);
1013 }
1014 }
1015 }
1016
1017 @Override
1018 public void preferenceChanged(PreferenceChangeEvent e) {
1019 String key = e.getKey();
1020 if (key.startsWith("color.")) {
1021 key = key.substring("color.".length());
1022 if (PROP_BACKGROUND_COLOR.getKey().equals(key) || PROP_FOREGROUND_COLOR.getKey().equals(key)) {
1023 for (ImageLabel il : new ImageLabel[]{latText, lonText, headingText, distText, nameText}) {
1024 il.setBackground(PROP_BACKGROUND_COLOR.get());
1025 il.setForeground(PROP_FOREGROUND_COLOR.get());
1026 }
1027 refreshAnglePanel();
1028 } else if (PROP_ACTIVE_BACKGROUND_COLOR.getKey().equals(key) || PROP_ACTIVE_FOREGROUND_COLOR.getKey().equals(key)) {
1029 refreshAnglePanel();
1030 }
1031 }
1032 }
1033
1034 /**
1035 * Loads all colors from preferences.
1036 * @since 6789
1037 */
1038 public static void getColors() {
1039 PROP_BACKGROUND_COLOR.get();
1040 PROP_FOREGROUND_COLOR.get();
1041 PROP_ACTIVE_BACKGROUND_COLOR.get();
1042 PROP_ACTIVE_FOREGROUND_COLOR.get();
1043 }
1044}
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