1 package tim.prune.gui.map;
3 import java.awt.AlphaComposite;
4 import java.awt.BasicStroke;
5 import java.awt.BorderLayout;
7 import java.awt.Cursor;
8 import java.awt.Dimension;
9 import java.awt.FlowLayout;
10 import java.awt.FontMetrics;
11 import java.awt.Graphics;
12 import java.awt.Graphics2D;
13 import java.awt.Image;
14 import java.awt.event.ActionEvent;
15 import java.awt.event.ActionListener;
16 import java.awt.event.ItemEvent;
17 import java.awt.event.ItemListener;
18 import java.awt.event.KeyEvent;
19 import java.awt.event.KeyListener;
20 import java.awt.event.MouseEvent;
21 import java.awt.event.MouseListener;
22 import java.awt.event.MouseMotionListener;
23 import java.awt.event.MouseWheelEvent;
24 import java.awt.event.MouseWheelListener;
25 import java.awt.image.BufferedImage;
27 import javax.swing.BorderFactory;
28 import javax.swing.BoxLayout;
29 import javax.swing.JButton;
30 import javax.swing.JCheckBox;
31 import javax.swing.JMenuItem;
32 import javax.swing.JPanel;
33 import javax.swing.JPopupMenu;
34 import javax.swing.JSlider;
35 import javax.swing.SwingUtilities;
36 import javax.swing.event.ChangeEvent;
37 import javax.swing.event.ChangeListener;
40 import tim.prune.DataSubscriber;
41 import tim.prune.FunctionLibrary;
42 import tim.prune.I18nManager;
43 import tim.prune.UpdateMessageBroker;
44 import tim.prune.config.ColourScheme;
45 import tim.prune.config.Config;
46 import tim.prune.data.Checker;
47 import tim.prune.data.Coordinate;
48 import tim.prune.data.DataPoint;
49 import tim.prune.data.DoubleRange;
50 import tim.prune.data.Field;
51 import tim.prune.data.FieldList;
52 import tim.prune.data.Latitude;
53 import tim.prune.data.Longitude;
54 import tim.prune.data.MidpointData;
55 import tim.prune.data.Selection;
56 import tim.prune.data.Track;
57 import tim.prune.data.TrackInfo;
58 import tim.prune.function.compress.MarkPointsInRectangleFunction;
59 import tim.prune.function.edit.FieldEdit;
60 import tim.prune.function.edit.FieldEditList;
61 import tim.prune.gui.IconManager;
62 import tim.prune.gui.colour.PointColourer;
63 import tim.prune.tips.TipManager;
66 * Class for the map canvas, to display a background map and draw on it
68 public class MapCanvas extends JPanel implements MouseListener, MouseMotionListener, DataSubscriber,
69 KeyListener, MouseWheelListener, TileConsumer
71 /** App object for callbacks */
72 private App _app = null;
74 private Track _track = null;
75 /** TrackInfo object */
76 private TrackInfo _trackInfo = null;
77 /** Selection object */
78 private Selection _selection = null;
79 /** Object to keep track of midpoints */
80 private MidpointData _midpoints = null;
81 /** Index of point clicked at mouseDown */
82 private int _clickedPoint = -1;
83 /** Previously selected point */
84 private int _prevSelectedPoint = -1;
86 private MapTileManager _tileManager = new MapTileManager(this);
87 /** Image to display */
88 private BufferedImage _mapImage = null;
89 /** Second image for drawing track (only needed for alpha blending) */
90 private BufferedImage _trackImage = null;
91 /** Slider for transparency */
92 private JSlider _transparencySlider = null;
93 /** Checkbox for scale bar */
94 private JCheckBox _scaleCheckBox = null;
95 /** Checkbox for maps */
96 private JCheckBox _mapCheckBox = null;
97 /** Checkbox for autopan */
98 private JCheckBox _autopanCheckBox = null;
99 /** Checkbox for connecting track points */
100 private JCheckBox _connectCheckBox = null;
101 /** Checkbox for enable edit mode */
102 private JCheckBox _editmodeCheckBox = null;
103 /** Right-click popup menu */
104 private JPopupMenu _popup = null;
105 /** Top component panel */
106 private JPanel _topPanel = null;
107 /** Side component panel */
108 private JPanel _sidePanel = null;
110 private ScaleBar _scaleBar = null;
112 private DoubleRange _latRange = null, _lonRange = null;
113 private DoubleRange _xRange = null, _yRange = null;
114 private boolean _recalculate = false;
115 /** Flag to check bounds on next paint */
116 private boolean _checkBounds = false;
118 private MapPosition _mapPosition = null;
119 /** coordinates of drag from point */
120 private int _dragFromX = -1, _dragFromY = -1;
121 /** coordinates of drag to point */
122 private int _dragToX = -1, _dragToY = -1;
123 /** coordinates of popup menu */
124 private int _popupMenuX = -1, _popupMenuY = -1;
125 /** Flag to prevent showing too often the error message about loading maps */
126 private boolean _shownOsmErrorAlready = false;
127 /** Current drawing mode */
128 private int _drawMode = MODE_DEFAULT;
130 /** Constant for click sensitivity when selecting nearest point */
131 private static final int CLICK_SENSITIVITY = 10;
132 /** Constant for pan distance from key presses */
133 private static final int PAN_DISTANCE = 20;
134 /** Constant for pan distance from autopan */
135 private static final int AUTOPAN_DISTANCE = 75;
138 private static final Color COLOR_MESSAGES = Color.GRAY;
141 private static final int MODE_DEFAULT = 0;
142 private static final int MODE_ZOOM_RECT = 1;
143 private static final int MODE_DRAW_POINTS_START = 2;
144 private static final int MODE_DRAW_POINTS_CONT = 3;
145 private static final int MODE_DRAG_POINT = 4;
146 private static final int MODE_CREATE_MIDPOINT = 5;
147 private static final int MODE_MARK_RECTANGLE = 6;
149 private static final int INDEX_UNKNOWN = -2;
154 * @param inApp App object for callbacks
155 * @param inTrackInfo track info object
157 public MapCanvas(App inApp, TrackInfo inTrackInfo)
160 _trackInfo = inTrackInfo;
161 _track = inTrackInfo.getTrack();
162 _selection = inTrackInfo.getSelection();
163 _midpoints = new MidpointData();
164 _mapPosition = new MapPosition();
165 addMouseListener(this);
166 addMouseMotionListener(this);
167 addMouseWheelListener(this);
168 addKeyListener(this);
170 // Make listener for changes to controls
171 ItemListener itemListener = new ItemListener() {
172 public void itemStateChanged(ItemEvent e)
178 // Make special listener for changes to map checkbox
179 ItemListener mapCheckListener = new ItemListener() {
180 public void itemStateChanged(ItemEvent e)
182 _tileManager.clearMemoryCaches();
184 Config.setConfigBoolean(Config.KEY_SHOW_MAP, e.getStateChange() == ItemEvent.SELECTED);
185 UpdateMessageBroker.informSubscribers(); // to let menu know
186 // If the track is only partially visible and you turn the map off, make the track fully visible again
187 if (e.getStateChange() == ItemEvent.DESELECTED && _transparencySlider.getValue() < 0) {
188 _transparencySlider.setValue(0);
192 _topPanel = new OverlayPanel();
193 _topPanel.setLayout(new FlowLayout());
194 // Make slider for transparency
195 _transparencySlider = new JSlider(-6, 6, 0);
196 _transparencySlider.setPreferredSize(new Dimension(100, 20));
197 _transparencySlider.setMajorTickSpacing(1);
198 _transparencySlider.setSnapToTicks(true);
199 _transparencySlider.setOpaque(false);
200 _transparencySlider.setValue(0);
201 _transparencySlider.addChangeListener(new ChangeListener() {
202 public void stateChanged(ChangeEvent e)
204 int val = _transparencySlider.getValue();
205 if (val == 1 || val == -1)
206 _transparencySlider.setValue(0);
213 _transparencySlider.setFocusable(false); // stop slider from stealing keyboard focus
214 _topPanel.add(_transparencySlider);
215 // Add checkbox button for enabling scale bar
216 _scaleCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.SCALEBAR_BUTTON), true);
217 _scaleCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.SCALEBAR_BUTTON_ON));
218 _scaleCheckBox.setOpaque(false);
219 _scaleCheckBox.setToolTipText(I18nManager.getText("menu.map.showscalebar"));
220 _scaleCheckBox.addItemListener(new ItemListener() {
221 public void itemStateChanged(ItemEvent e) {
222 _scaleBar.setVisible(_scaleCheckBox.isSelected());
225 _scaleCheckBox.setFocusable(false); // stop button from stealing keyboard focus
226 _topPanel.add(_scaleCheckBox);
227 // Add checkbox button for enabling maps or not
228 _mapCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.MAP_BUTTON), false);
229 _mapCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.MAP_BUTTON_ON));
230 _mapCheckBox.setOpaque(false);
231 _mapCheckBox.setToolTipText(I18nManager.getText("menu.map.showmap"));
232 _mapCheckBox.addItemListener(mapCheckListener);
233 _mapCheckBox.setFocusable(false); // stop button from stealing keyboard focus
234 _topPanel.add(_mapCheckBox);
235 // Add checkbox button for enabling autopan or not
236 _autopanCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.AUTOPAN_BUTTON), true);
237 _autopanCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.AUTOPAN_BUTTON_ON));
238 _autopanCheckBox.setOpaque(false);
239 _autopanCheckBox.setToolTipText(I18nManager.getText("menu.map.autopan"));
240 _autopanCheckBox.addItemListener(itemListener);
241 _autopanCheckBox.setFocusable(false); // stop button from stealing keyboard focus
242 _topPanel.add(_autopanCheckBox);
243 // Add checkbox button for connecting points or not
244 _connectCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.POINTS_DISCONNECTED_BUTTON), true);
245 _connectCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.POINTS_CONNECTED_BUTTON));
246 _connectCheckBox.setOpaque(false);
247 _connectCheckBox.setToolTipText(I18nManager.getText("menu.map.connect"));
248 _connectCheckBox.addItemListener(itemListener);
249 _connectCheckBox.setFocusable(false); // stop button from stealing keyboard focus
250 _topPanel.add(_connectCheckBox);
252 // Add checkbox button for edit mode or not
253 _editmodeCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.EDIT_MODE_BUTTON), false);
254 _editmodeCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.EDIT_MODE_BUTTON_ON));
255 _editmodeCheckBox.setOpaque(false);
256 _editmodeCheckBox.setToolTipText(I18nManager.getText("menu.map.editmode"));
257 _editmodeCheckBox.addItemListener(itemListener);
258 _editmodeCheckBox.setFocusable(false); // stop button from stealing keyboard focus
259 _topPanel.add(_editmodeCheckBox);
261 // Add zoom in, zoom out buttons
262 _sidePanel = new OverlayPanel();
263 _sidePanel.setLayout(new BoxLayout(_sidePanel, BoxLayout.Y_AXIS));
264 JButton zoomInButton = new JButton(IconManager.getImageIcon(IconManager.ZOOM_IN_BUTTON));
265 zoomInButton.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
266 zoomInButton.setContentAreaFilled(false);
267 zoomInButton.setToolTipText(I18nManager.getText("menu.map.zoomin"));
268 zoomInButton.addActionListener(new ActionListener() {
269 public void actionPerformed(ActionEvent e)
274 zoomInButton.setFocusable(false); // stop button from stealing keyboard focus
275 _sidePanel.add(zoomInButton);
276 JButton zoomOutButton = new JButton(IconManager.getImageIcon(IconManager.ZOOM_OUT_BUTTON));
277 zoomOutButton.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
278 zoomOutButton.setContentAreaFilled(false);
279 zoomOutButton.setToolTipText(I18nManager.getText("menu.map.zoomout"));
280 zoomOutButton.addActionListener(new ActionListener() {
281 public void actionPerformed(ActionEvent e)
286 zoomOutButton.setFocusable(false); // stop button from stealing keyboard focus
287 _sidePanel.add(zoomOutButton);
289 // Bottom panel for scale bar
290 _scaleBar = new ScaleBar();
292 // add control panels to this one
293 setLayout(new BorderLayout());
294 _topPanel.setVisible(false);
295 _sidePanel.setVisible(false);
296 add(_topPanel, BorderLayout.NORTH);
297 add(_sidePanel, BorderLayout.WEST);
298 add(_scaleBar, BorderLayout.SOUTH);
301 // Get currently selected map from Config, pass to MapTileManager
302 _tileManager.setMapSource(Config.getConfigInt(Config.KEY_MAPSOURCE_INDEX));
307 * Make the popup menu for right-clicking the map
309 private void makePopup()
311 _popup = new JPopupMenu();
312 JMenuItem zoomInItem = new JMenuItem(I18nManager.getText("menu.map.zoomin"));
313 zoomInItem.addActionListener(new ActionListener() {
314 public void actionPerformed(ActionEvent e)
316 panMap((_popupMenuX - getWidth()/2)/2, (_popupMenuY - getHeight()/2)/2);
319 _popup.add(zoomInItem);
320 JMenuItem zoomOutItem = new JMenuItem(I18nManager.getText("menu.map.zoomout"));
321 zoomOutItem.addActionListener(new ActionListener() {
322 public void actionPerformed(ActionEvent e)
324 panMap(-(_popupMenuX - getWidth()/2), -(_popupMenuY - getHeight()/2));
327 _popup.add(zoomOutItem);
328 JMenuItem zoomFullItem = new JMenuItem(I18nManager.getText("menu.map.zoomfull"));
329 zoomFullItem.addActionListener(new ActionListener() {
330 public void actionPerformed(ActionEvent e)
336 _popup.add(zoomFullItem);
337 _popup.addSeparator();
339 JMenuItem setMapBgItem = new JMenuItem(
340 I18nManager.getText(FunctionLibrary.FUNCTION_SET_MAP_BG.getNameKey()));
341 setMapBgItem.addActionListener(new ActionListener() {
342 public void actionPerformed(ActionEvent e)
344 FunctionLibrary.FUNCTION_SET_MAP_BG.begin();
346 _popup.add(setMapBgItem);
348 JMenuItem newPointItem = new JMenuItem(I18nManager.getText("menu.map.newpoint"));
349 newPointItem.addActionListener(new ActionListener() {
350 public void actionPerformed(ActionEvent e)
352 _app.createPoint(createPointFromClick(_popupMenuX, _popupMenuY));
354 _popup.add(newPointItem);
356 JMenuItem drawPointsItem = new JMenuItem(I18nManager.getText("menu.map.drawpoints"));
357 drawPointsItem.addActionListener(new ActionListener() {
358 public void actionPerformed(ActionEvent e)
360 _drawMode = MODE_DRAW_POINTS_START;
363 _popup.add(drawPointsItem);
368 * Zoom to fit the current data area
370 private void zoomToFit()
372 _latRange = _track.getLatRange();
373 _lonRange = _track.getLonRange();
374 _xRange = new DoubleRange(MapUtils.getXFromLongitude(_lonRange.getMinimum()),
375 MapUtils.getXFromLongitude(_lonRange.getMaximum()));
376 _yRange = new DoubleRange(MapUtils.getYFromLatitude(_latRange.getMinimum()),
377 MapUtils.getYFromLatitude(_latRange.getMaximum()));
378 _mapPosition.zoomToXY(_xRange.getMinimum(), _xRange.getMaximum(), _yRange.getMinimum(), _yRange.getMaximum(),
379 getWidth(), getHeight());
385 * @see java.awt.Canvas#paint(java.awt.Graphics)
387 public void paint(Graphics inG)
390 if (_mapImage != null && (_mapImage.getWidth() != getWidth() || _mapImage.getHeight() != getHeight())) {
393 if (_track.getNumPoints() > 0)
395 // Check for autopan if enabled / necessary
396 if (_autopanCheckBox.isSelected())
398 int selectedPoint = _selection.getCurrentPointIndex();
399 if (selectedPoint >= 0 && _dragFromX == -1 && selectedPoint != _prevSelectedPoint)
401 autopanToPoint(selectedPoint);
403 _prevSelectedPoint = selectedPoint;
406 // Draw the map contents if necessary
407 if ((_mapImage == null || _recalculate))
410 _scaleBar.updateScale(_mapPosition.getZoom(), _mapPosition.getYFromPixels(0, 0));
412 // Draw the prepared image onto the panel
413 if (_mapImage != null) {
414 inG.drawImage(_mapImage, 0, 0, getWidth(), getHeight(), null);
419 case MODE_DRAG_POINT:
420 drawDragLines(inG, _selection.getCurrentPointIndex()-1, _selection.getCurrentPointIndex()+1);
423 case MODE_CREATE_MIDPOINT:
424 drawDragLines(inG, _clickedPoint-1, _clickedPoint);
428 case MODE_MARK_RECTANGLE:
429 if (_dragFromX != -1 && _dragFromY != -1)
431 // Draw the zoom rectangle if necessary
432 inG.setColor(Color.RED);
433 inG.drawLine(_dragFromX, _dragFromY, _dragFromX, _dragToY);
434 inG.drawLine(_dragFromX, _dragFromY, _dragToX, _dragFromY);
435 inG.drawLine(_dragToX, _dragFromY, _dragToX, _dragToY);
436 inG.drawLine(_dragFromX, _dragToY, _dragToX, _dragToY);
440 case MODE_DRAW_POINTS_CONT:
441 // draw line to mouse position to show drawing mode
442 inG.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_POINT));
443 int prevIndex = _track.getNumPoints()-1;
444 int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(prevIndex));
445 int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(prevIndex));
446 inG.drawLine(px, py, _dragToX, _dragToY);
452 inG.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_BACKGROUND));
453 inG.fillRect(0, 0, getWidth(), getHeight());
454 inG.setColor(COLOR_MESSAGES);
455 inG.drawString(I18nManager.getText("display.nodata"), 50, getHeight()/2);
456 _scaleBar.updateScale(-1, 0);
458 // Draw slider etc on top
463 * @return true if the currently selected point is visible, false if off-screen or nothing selected
465 private boolean isCurrentPointVisible()
467 if (_trackInfo.getCurrentPoint() == null) {return false;}
468 final int selectedPoint = _selection.getCurrentPointIndex();
469 final int xFromCentre = Math.abs(_mapPosition.getXFromCentre(_track.getX(selectedPoint)));
470 if (xFromCentre > (getWidth()/2)) {return false;}
471 final int yFromCentre = Math.abs(_mapPosition.getYFromCentre(_track.getY(selectedPoint)));
472 return yFromCentre < (getHeight()/2);
476 * If the specified point isn't visible, pan to it
477 * @param inIndex index of selected point
479 private void autopanToPoint(int inIndex)
481 int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(inIndex));
482 int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(inIndex));
485 if (px < PAN_DISTANCE) {
486 panX = px - AUTOPAN_DISTANCE;
488 else if (px > (getWidth()-PAN_DISTANCE)) {
489 panX = AUTOPAN_DISTANCE + px - getWidth();
491 if (py < (2*PAN_DISTANCE)) {
492 panY = py - AUTOPAN_DISTANCE;
494 if (py > (getHeight()-PAN_DISTANCE)) {
495 panY = AUTOPAN_DISTANCE + py - getHeight();
497 if (panX != 0 || panY != 0) {
498 _mapPosition.pan(panX, panY);
503 * Paint the map tiles and the points on to the _mapImage
505 private void paintMapContents()
507 if (_mapImage == null || _mapImage.getWidth() != getWidth() || _mapImage.getHeight() != getHeight())
509 _mapImage = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_RGB);
513 Graphics g = _mapImage.getGraphics();
514 // Clear to background
515 g.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_BACKGROUND));
516 g.fillRect(0, 0, getWidth(), getHeight());
518 // Check whether maps are on or not
519 final boolean showMap = Config.getConfigBoolean(Config.KEY_SHOW_MAP);
520 _mapCheckBox.setSelected(showMap);
521 // Check whether disk cache is on or not
522 final boolean usingDiskCache = Config.getConfigString(Config.KEY_DISK_CACHE) != null;
523 // Show tip to recommend setting up a cache
524 if (showMap && !usingDiskCache && Config.getConfigBoolean(Config.KEY_ONLINE_MODE))
526 SwingUtilities.invokeLater(new Runnable() {
528 _app.showTip(TipManager.Tip_UseAMapCache);
533 // reset error message
534 if (!showMap) {_shownOsmErrorAlready = false;}
535 _recalculate = false;
536 // Only get map tiles if selected
540 _tileManager.centreMap(_mapPosition.getZoom(), _mapPosition.getCentreTileX(), _mapPosition.getCentreTileY());
542 boolean loadingFailed = false;
543 if (_mapImage == null) return;
545 if (_tileManager.isOverzoomed())
547 // display overzoom message
548 g.setColor(COLOR_MESSAGES);
549 g.drawString(I18nManager.getText("map.overzoom"), 50, getHeight()/2);
553 int numLayers = _tileManager.getNumLayers();
554 // Loop over tiles drawing each one
555 int[] tileIndices = _mapPosition.getTileIndices(getWidth(), getHeight());
556 int[] pixelOffsets = _mapPosition.getDisplayOffsets(getWidth(), getHeight());
557 for (int tileX = tileIndices[0]; tileX <= tileIndices[1] && !loadingFailed; tileX++)
559 int x = (tileX - tileIndices[0]) * 256 - pixelOffsets[0];
560 for (int tileY = tileIndices[2]; tileY <= tileIndices[3]; tileY++)
562 int y = (tileY - tileIndices[2]) * 256 - pixelOffsets[1];
564 for (int l=0; l<numLayers; l++)
566 Image image = _tileManager.getTile(l, tileX, tileY, true);
568 g.drawImage(image, x, y, 256, 256, null);
574 // Make maps brighter / fainter according to slider
575 final int brightnessIndex = Math.max(1, _transparencySlider.getValue()) - 1;
576 if (brightnessIndex > 0)
578 final int[] alphas = {0, 40, 80, 120, 160, 210};
579 Color bgColor = Config.getColourScheme().getColour(ColourScheme.IDX_BACKGROUND);
580 bgColor = new Color(bgColor.getRed(), bgColor.getGreen(), bgColor.getBlue(), alphas[brightnessIndex]);
582 g.fillRect(0, 0, getWidth(), getHeight());
587 // Work out track opacity according to slider
588 final float[] opacities = {1.0f, 0.75f, 0.5f, 0.3f, 0.15f, 0.0f};
589 float trackOpacity = 1.0f;
590 if (_transparencySlider.getValue() < 0) {
591 trackOpacity = opacities[-1 - _transparencySlider.getValue()];
594 if (trackOpacity > 0.0f)
596 // Paint the track points on top
597 int pointsPainted = 1;
600 if (trackOpacity > 0.9f)
602 // Track is fully opaque, just draw it directly
603 pointsPainted = paintPoints(g);
608 // Track is partly transparent, so use a separate BufferedImage
609 if (_trackImage == null || _trackImage.getWidth() != getWidth() || _trackImage.getHeight() != getHeight())
611 _trackImage = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
613 // Clear to transparent
614 Graphics2D gTrack = _trackImage.createGraphics();
615 gTrack.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR, 0.0f));
616 gTrack.fillRect(0, 0, getWidth(), getHeight());
617 gTrack.setPaintMode();
618 // Draw the track onto this separate image
619 pointsPainted = paintPoints(gTrack);
620 ((Graphics2D) g).setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, trackOpacity));
621 g.drawImage(_trackImage, 0, 0, null);
624 catch (NullPointerException npe) {} // ignore, probably due to data being changed during drawing
625 catch (ArrayIndexOutOfBoundsException obe) {} // also ignore
627 // Zoom to fit if no points found
628 if (pointsPainted <= 0 && _checkBounds)
639 _checkBounds = false;
640 // enable / disable transparency slider
641 _transparencySlider.setEnabled(showMap);
646 * Paint the points using the given graphics object
647 * @param inG Graphics object to use for painting
648 * @return number of points painted, if any
650 private int paintPoints(Graphics inG)
653 final ColourScheme cs = Config.getColourScheme();
654 final Color pointColour = cs.getColour(ColourScheme.IDX_POINT);
655 final Color rangeColour = cs.getColour(ColourScheme.IDX_SELECTION);
656 final Color currentColour = cs.getColour(ColourScheme.IDX_PRIMARY);
657 final Color secondColour = cs.getColour(ColourScheme.IDX_SECONDARY);
658 final Color textColour = cs.getColour(ColourScheme.IDX_TEXT);
659 final PointColourer pointColourer = _app.getPointColourer();
661 final int winWidth = getWidth();
662 final int winHeight = getHeight();
663 final int halfWinWidth = winWidth / 2;
664 final int halfWinHeight = winHeight / 2;
666 final int numPoints = _track.getNumPoints();
667 final int[] xPixels = new int[numPoints];
668 final int[] yPixels = new int[numPoints];
670 // try to set line width for painting
671 if (inG instanceof Graphics2D)
673 int lineWidth = Config.getConfigInt(Config.KEY_LINE_WIDTH);
674 if (lineWidth < 1 || lineWidth > 4) {lineWidth = 2;}
675 ((Graphics2D) inG).setStroke(new BasicStroke(lineWidth));
677 int pointsPainted = 0;
679 inG.setColor(pointColour);
680 int prevX = -1, prevY = -1;
681 boolean connectPoints = _connectCheckBox.isSelected();
682 boolean prevPointVisible = false, currPointVisible = false;
683 boolean anyWaypoints = false;
684 boolean isWaypoint = false;
685 for (int i=0; i<numPoints; i++)
687 // Calculate pixel position of point from its x, y coordinates
688 int px = halfWinWidth + _mapPosition.getXFromCentre(_track.getX(i));
689 int py = halfWinHeight + _mapPosition.getYFromCentre(_track.getY(i));
690 px = wrapLongitudeValue(px, winWidth, _mapPosition.getZoom());
691 // Remember these calculated pixel values so they don't have to be recalculated
692 xPixels[i] = px; yPixels[i] = py;
694 currPointVisible = px >= 0 && px < winWidth && py >= 0 && py < winHeight;
695 isWaypoint = _track.getPoint(i).isWaypoint();
696 anyWaypoints = anyWaypoints || isWaypoint;
699 if (currPointVisible || prevPointVisible)
701 // For track points, work out which colour to use
702 if (_track.getPoint(i).getDeleteFlag()) {
703 inG.setColor(currentColour);
705 else if (pointColourer != null)
706 { // use the point colourer if there is one
707 Color trackColour = pointColourer.getColour(i);
708 inG.setColor(trackColour);
712 inG.setColor(pointColour);
715 // Draw rectangle for track point if it's visible
716 if (currPointVisible)
718 inG.drawRect(px-2, py-2, 3, 3);
723 // Connect track points if either of them are visible
724 if (connectPoints && !(prevX == -1 && prevY == -1)
725 && !_track.getPoint(i).getSegmentStart())
727 inG.drawLine(prevX, prevY, px, py);
729 prevX = px; prevY = py;
731 prevPointVisible = currPointVisible;
734 // Loop over points, just drawing blobs for waypoints
735 inG.setColor(textColour);
736 FontMetrics fm = inG.getFontMetrics();
737 int nameHeight = fm.getHeight();
740 int numWaypoints = 0;
741 for (int i=0; i<_track.getNumPoints(); i++)
743 if (_track.getPoint(i).isWaypoint())
747 if (px >= 0 && px < winWidth && py >= 0 && py < winHeight)
749 inG.fillRect(px-3, py-3, 6, 6);
755 // Take more care with waypoint names if less than 100 are visible
756 final int numNameSteps = (numWaypoints > 100 ? 1 : 4);
757 final int numPointSteps = (numWaypoints > 1000 ? 2 : 1);
759 // Loop over points again, now draw names for waypoints
760 int[] nameXs = {0, 0, 0, 0};
761 int[] nameYs = {0, 0, 0, 0};
762 for (int i=0; i<_track.getNumPoints(); i += numPointSteps)
764 if (_track.getPoint(i).isWaypoint())
768 if (px >= 0 && px < winWidth && py >= 0 && py < winHeight)
770 // Figure out where to draw waypoint name so it doesn't obscure track
771 String waypointName = _track.getPoint(i).getWaypointName();
772 int nameWidth = fm.stringWidth(waypointName);
773 boolean drawnName = false;
774 // Make arrays for coordinates right left up down
775 nameXs[0] = px + 2; nameXs[1] = px - nameWidth - 2;
776 nameXs[2] = nameXs[3] = px - nameWidth/2;
777 nameYs[0] = nameYs[1] = py + (nameHeight/2);
778 nameYs[2] = py - 2; nameYs[3] = py + nameHeight + 2;
779 for (int extraSpace = 0; extraSpace < numNameSteps && !drawnName; extraSpace++)
781 // Shift arrays for coordinates right left up down
782 nameXs[0] += 3; nameXs[1] -= 3;
783 nameYs[2] -= 3; nameYs[3] += 3;
784 // Check each direction in turn right left up down
785 for (int a=0; a<4; a++)
787 if (nameXs[a] > 0 && (nameXs[a] + nameWidth) < winWidth
788 && nameYs[a] < winHeight && (nameYs[a] - nameHeight) > 0
789 && !MapUtils.overlapsPoints(_mapImage, nameXs[a], nameYs[a], nameWidth, nameHeight, textColour))
791 // Found a rectangle to fit - draw name here and quit
792 inG.drawString(waypointName, nameXs[a], nameYs[a]);
802 // Loop over points, drawing blobs for photo / audio points
803 inG.setColor(secondColour);
804 for (int i=0; i<_track.getNumPoints(); i++)
806 if (_track.getPoint(i).hasMedia())
810 if (px >= 0 && px < winWidth && py >= 0 && py < winHeight)
812 inG.drawRect(px-1, py-1, 2, 2);
813 inG.drawRect(px-2, py-2, 4, 4);
819 // Draw selected range
820 if (_selection.hasRangeSelected())
822 inG.setColor(rangeColour);
823 for (int i=_selection.getStart(); i<=_selection.getEnd(); i++)
827 inG.drawRect(px-1, py-1, 2, 2);
831 // Draw crosshairs at selected point
832 int selectedPoint = _selection.getCurrentPointIndex();
833 if (selectedPoint >= 0)
835 int px = xPixels[selectedPoint];
836 int py = yPixels[selectedPoint];
837 inG.setColor(currentColour);
839 inG.drawLine(px, 0, px, winHeight);
840 inG.drawLine(0, py, winWidth, py);
842 // Return the number of points painted
843 return pointsPainted;
847 * Wrap the given pixel value if appropriate and possible
848 * @param inPx Pixel x coordinate
849 * @param inWinWidth window width in pixels
850 * @param inZoom zoom level
851 * @return modified pixel x coordinate
853 private static int wrapLongitudeValue(int inPx, int inWinWidth, int inZoom)
855 if (inPx > inWinWidth)
857 // Pixel is too far right, could we wrap it back onto the screen?
859 while (px > inWinWidth) {
860 px -= (256 << inZoom);
863 return px; // successfully wrapped back onto the screen
868 // Pixel is too far left, could we wrap it back onto the screen?
871 px += (256 << inZoom);
873 if (px < inWinWidth) {
874 return px; // successfully wrapped back onto the screen
877 // Either it's already on the screen or couldn't be wrapped
882 * Draw the lines while dragging a point
883 * @param inG graphics object
884 * @param inPrevIndex index of point to draw from
885 * @param inNextIndex index of point to draw to
887 private void drawDragLines(Graphics inG, int inPrevIndex, int inNextIndex)
889 inG.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_POINT));
890 // line from prev point to cursor
891 if (inPrevIndex > -1 && !_track.getPoint(inPrevIndex+1).getSegmentStart())
893 final int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(inPrevIndex));
894 final int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(inPrevIndex));
895 inG.drawLine(px, py, _dragToX, _dragToY);
897 if (inNextIndex < _track.getNumPoints() && !_track.getPoint(inNextIndex).getSegmentStart())
899 final int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(inNextIndex));
900 final int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(inNextIndex));
901 inG.drawLine(px, py, _dragToX, _dragToY);
906 * Inform that tiles have been updated and the map can be repainted
907 * @param inIsOk true if data loaded ok, false for error
909 public void tilesUpdated(boolean inIsOk)
913 // Show message if loading failed (but not too many times)
914 if (!inIsOk && !_shownOsmErrorAlready && _mapCheckBox.isSelected())
916 _shownOsmErrorAlready = true;
917 // use separate thread to show message about failing to load osm images
918 new Thread(new Runnable() {
920 try {Thread.sleep(500);} catch (InterruptedException ie) {}
921 _app.showErrorMessage("error.osmimage.dialogtitle", "error.osmimage.failed");
931 * Zoom out, if not already at minimum zoom
933 public void zoomOut()
935 _mapPosition.zoomOut();
941 * Zoom in, if not already at maximum zoom
945 // See if selected point is currently visible, if so (and autopan on) then autopan after zoom to keep it visible
946 boolean wasVisible = _autopanCheckBox.isSelected() && isCurrentPointVisible();
947 _mapPosition.zoomIn();
948 if (wasVisible && !isCurrentPointVisible()) {
949 autopanToPoint(_selection.getCurrentPointIndex());
957 * @param inDeltaX x shift
958 * @param inDeltaY y shift
960 public void panMap(int inDeltaX, int inDeltaY)
962 _mapPosition.pan(inDeltaX, inDeltaY);
968 * Create a DataPoint object from the given click coordinates
969 * @param inX x coordinate of click
970 * @param inY y coordinate of click
971 * @return DataPoint with given coordinates and no altitude
973 private DataPoint createPointFromClick(int inX, int inY)
975 double lat = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(inY, getHeight()));
976 double lon = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(inX, getWidth()));
977 return new DataPoint(new Latitude(lat, Coordinate.FORMAT_NONE),
978 new Longitude(lon, Coordinate.FORMAT_NONE), null);
982 * Move a DataPoint object to the given mouse coordinates
983 * @param startX start x coordinate of mouse
984 * @param startY start y coordinate of mouse
985 * @param endX end x coordinate of mouse
986 * @param endY end y coordinate of mouse
988 private void movePointToMouse(int startX, int startY, int endX, int endY )
990 double lat1 = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(startY, getHeight()));
991 double lon1 = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(startX, getWidth()));
992 double lat_delta = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(endY, getHeight())) - lat1;
993 double lon_delta = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(endX, getWidth())) - lon1;
995 DataPoint point = _trackInfo.getCurrentPoint();
1000 // Make lists for edit and undo, and add each changed field in turn
1001 FieldEditList editList = new FieldEditList();
1002 FieldEditList undoList = new FieldEditList();
1005 FieldList fieldList = _track.getFieldList();
1006 int numFields = fieldList.getNumFields();
1007 for (int i=0; i<numFields; i++)
1009 Field field = fieldList.getField(i);
1010 if (field == Field.LATITUDE) {
1011 editList.addEdit(new FieldEdit(field, Double.toString(point.getLatitude().getDouble() + lat_delta)));
1012 undoList.addEdit(new FieldEdit(field, point.getFieldValue(Field.LATITUDE)));
1014 else if (field == Field.LONGITUDE) {
1015 editList.addEdit(new FieldEdit(field, Double.toString(point.getLongitude().getDouble() + lon_delta)));
1016 undoList.addEdit(new FieldEdit(field, point.getFieldValue(Field.LONGITUDE)));
1019 _app.completePointEdit(editList, undoList);
1024 * @see javax.swing.JComponent#getMinimumSize()
1026 public Dimension getMinimumSize()
1028 final Dimension minSize = new Dimension(512, 300);
1033 * @see javax.swing.JComponent#getPreferredSize()
1035 public Dimension getPreferredSize()
1037 return getMinimumSize();
1042 * Respond to mouse click events
1043 * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
1045 public void mouseClicked(MouseEvent inE)
1047 if (_track != null && _track.getNumPoints() > 0)
1049 // select point if it's a left-click
1050 if (!inE.isMetaDown())
1052 if (inE.getClickCount() == 1)
1055 if (_drawMode == MODE_DEFAULT)
1057 int pointIndex = _clickedPoint;
1058 if (pointIndex == INDEX_UNKNOWN)
1060 // index hasn't been calculated yet
1061 pointIndex = _track.getNearestPointIndex(
1062 _mapPosition.getXFromPixels(inE.getX(), getWidth()),
1063 _mapPosition.getYFromPixels(inE.getY(), getHeight()),
1064 _mapPosition.getBoundsFromPixels(CLICK_SENSITIVITY), false);
1066 // Extend selection for shift-click
1067 if (inE.isShiftDown()) {
1068 _trackInfo.extendSelection(pointIndex);
1071 _trackInfo.selectPoint(pointIndex);
1074 else if (_drawMode == MODE_DRAW_POINTS_START)
1076 _app.createPoint(createPointFromClick(inE.getX(), inE.getY()));
1077 _dragToX = inE.getX();
1078 _dragToY = inE.getY();
1079 _drawMode = MODE_DRAW_POINTS_CONT;
1081 else if (_drawMode == MODE_DRAW_POINTS_CONT)
1083 DataPoint point = createPointFromClick(inE.getX(), inE.getY());
1084 _app.createPoint(point, false); // not a new segment
1087 else if (inE.getClickCount() == 2)
1090 if (_drawMode == MODE_DEFAULT) {
1091 panMap(inE.getX() - getWidth()/2, inE.getY() - getHeight()/2);
1094 else if (_drawMode == MODE_DRAW_POINTS_START || _drawMode == MODE_DRAW_POINTS_CONT) {
1095 _drawMode = MODE_DEFAULT;
1101 // show the popup menu for right-clicks
1102 _popupMenuX = inE.getX();
1103 _popupMenuY = inE.getY();
1104 _popup.show(this, _popupMenuX, _popupMenuY);
1108 _app.setCurrentMode(App.AppMode.NORMAL);
1109 if (_drawMode == MODE_MARK_RECTANGLE) _drawMode = MODE_DEFAULT;
1113 * Ignore mouse enter events
1114 * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
1116 public void mouseEntered(MouseEvent inE)
1122 * Ignore mouse exited events
1123 * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
1125 public void mouseExited(MouseEvent inE)
1131 * React to mouse pressed events to initiate a point drag
1132 * @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
1134 public void mousePressed(MouseEvent inE)
1136 _clickedPoint = INDEX_UNKNOWN;
1137 if (_track == null || _track.getNumPoints() <= 0)
1139 if (!inE.isMetaDown())
1141 // Left mouse drag - check if point is near; if so select it for dragging
1142 if (_drawMode == MODE_DEFAULT)
1144 /* Drag points if edit mode is enabled OR ALT is pressed */
1145 if (_editmodeCheckBox.isSelected() || inE.isAltDown() || inE.isAltGraphDown())
1147 final double clickX = _mapPosition.getXFromPixels(inE.getX(), getWidth());
1148 final double clickY = _mapPosition.getYFromPixels(inE.getY(), getHeight());
1149 final double clickSens = _mapPosition.getBoundsFromPixels(CLICK_SENSITIVITY);
1150 _clickedPoint = _track.getNearestPointIndex(clickX, clickY, clickSens, false);
1152 if (_clickedPoint >= 0)
1154 // TODO: maybe use another color of the cross or remove the cross while dragging???
1156 _trackInfo.selectPoint(_clickedPoint);
1157 if (_trackInfo.getCurrentPoint() != null)
1159 _drawMode = MODE_DRAG_POINT;
1160 _dragFromX = _dragToX = inE.getX();
1161 _dragFromY = _dragToY = inE.getY();
1166 // Not a click on a point, so check half-way between two (connected) trackpoints
1167 int midpointIndex = _midpoints.getNearestPointIndex(clickX, clickY, clickSens);
1168 if (midpointIndex > 0)
1170 _drawMode = MODE_CREATE_MIDPOINT;
1171 _clickedPoint = midpointIndex;
1172 _dragFromX = _dragToX = inE.getX();
1173 _dragFromY = _dragToY = inE.getY();
1179 // else right-press ignored
1183 * Respond to mouse released events
1184 * @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
1186 public void mouseReleased(MouseEvent inE)
1188 _recalculate = true;
1190 if (_drawMode == MODE_DRAG_POINT)
1192 if (Math.abs(_dragToX - _dragFromX) > 2
1193 || Math.abs(_dragToY - _dragFromY) > 2)
1195 movePointToMouse(_dragFromX, _dragFromY, _dragToX, _dragToY );
1197 _drawMode = MODE_DEFAULT;
1199 else if (_drawMode == MODE_CREATE_MIDPOINT)
1201 _drawMode = MODE_DEFAULT;
1202 _app.createPoint(createPointFromClick(_dragToX, _dragToY), _clickedPoint);
1204 else if (_drawMode == MODE_ZOOM_RECT)
1206 if (Math.abs(_dragToX - _dragFromX) > 20
1207 && Math.abs(_dragToY - _dragFromY) > 20)
1209 _mapPosition.zoomToPixels(_dragFromX, _dragToX, _dragFromY, _dragToY, getWidth(), getHeight());
1211 _drawMode = MODE_DEFAULT;
1213 else if (_drawMode == MODE_MARK_RECTANGLE)
1216 _app.setCurrentMode(App.AppMode.NORMAL);
1217 _drawMode = MODE_DEFAULT;
1218 // Call a function to mark the points
1219 MarkPointsInRectangleFunction marker = (MarkPointsInRectangleFunction) FunctionLibrary.FUNCTION_MARK_IN_RECTANGLE;
1220 double lon1 = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(_dragFromX, getWidth()));
1221 double lat1 = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(_dragFromY, getHeight()));
1222 double lon2 = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(_dragToX, getWidth()));
1223 double lat2 = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(_dragToY, getHeight()));
1224 // Invalidate rectangle if pixel coords are (-1,-1)
1225 if (_dragFromX < 0 || _dragFromY < 0) {
1229 marker.setRectCoords(lon1, lat1, lon2, lat2);
1232 _dragFromX = _dragFromY = -1;
1237 * Respond to mouse drag events
1238 * @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
1240 public void mouseDragged(MouseEvent inE)
1242 if (!inE.isMetaDown())
1244 // Left mouse drag - either drag the point or pan the map
1245 if (_drawMode == MODE_DRAG_POINT || _drawMode == MODE_CREATE_MIDPOINT)
1248 _dragToX = inE.getX();
1249 _dragToY = inE.getY();
1250 _recalculate = true;
1253 else if (_drawMode == MODE_MARK_RECTANGLE)
1255 // draw a rectangle for marking points
1256 if (_dragFromX == -1) {
1257 _dragFromX = inE.getX();
1258 _dragFromY = inE.getY();
1260 _dragToX = inE.getX();
1261 _dragToY = inE.getY();
1266 // regular left-drag pans map by appropriate amount
1267 if (_dragFromX != -1)
1269 panMap(_dragFromX - inE.getX(), _dragFromY - inE.getY());
1271 _dragFromX = _dragToX = inE.getX();
1272 _dragFromY = _dragToY = inE.getY();
1277 // Right-click and drag - update rectangle
1278 _drawMode = MODE_ZOOM_RECT;
1279 if (_dragFromX == -1) {
1280 _dragFromX = inE.getX();
1281 _dragFromY = inE.getY();
1283 _dragToX = inE.getX();
1284 _dragToY = inE.getY();
1290 * Respond to mouse move events without button pressed
1291 * @param inEvent ignored
1293 public void mouseMoved(MouseEvent inEvent)
1295 boolean useCrosshairs = false;
1296 boolean useResize = false;
1297 // Ignore unless we're drawing points
1298 if (_drawMode == MODE_DRAW_POINTS_CONT)
1300 _dragToX = inEvent.getX();
1301 _dragToY = inEvent.getY();
1304 else if (_drawMode == MODE_MARK_RECTANGLE) {
1307 else if (_editmodeCheckBox.isSelected() || inEvent.isAltDown() || inEvent.isAltGraphDown())
1309 // Try to find a point or a midpoint at this location, and if there is one
1310 // then change the cursor to crosshairs
1311 final double clickX = _mapPosition.getXFromPixels(inEvent.getX(), getWidth());
1312 final double clickY = _mapPosition.getYFromPixels(inEvent.getY(), getHeight());
1313 final double clickSens = _mapPosition.getBoundsFromPixels(CLICK_SENSITIVITY);
1314 useCrosshairs = (_track.getNearestPointIndex(clickX, clickY, clickSens, false) >= 0
1315 || _midpoints.getNearestPointIndex(clickX, clickY, clickSens) >= 0
1318 if (useCrosshairs && !isCursorSet()) {
1319 setCursor(Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR));
1321 else if (useResize && !isCursorSet()) {
1322 setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));
1324 else if (!useCrosshairs && !useResize && isCursorSet()) {
1330 * Respond to status bar message from broker
1331 * @param inMessage message, ignored
1333 public void actionCompleted(String inMessage)
1339 * Respond to data updated message from broker
1340 * @param inUpdateType type of update
1342 public void dataUpdated(byte inUpdateType)
1344 _recalculate = true;
1345 if ((inUpdateType & DataSubscriber.DATA_ADDED_OR_REMOVED) > 0) {
1346 _checkBounds = true;
1348 if ((inUpdateType & DataSubscriber.MAPSERVER_CHANGED) > 0) {
1349 // Get the selected map source index and pass to tile manager
1350 _tileManager.setMapSource(Config.getConfigInt(Config.KEY_MAPSOURCE_INDEX));
1352 if ((inUpdateType & (DataSubscriber.DATA_ADDED_OR_REMOVED + DataSubscriber.DATA_EDITED)) > 0) {
1353 _midpoints.updateData(_track);
1355 // See if rect mode has been activated
1356 if (_app.getCurrentMode() == App.AppMode.DRAWRECT)
1358 _drawMode = MODE_MARK_RECTANGLE;
1359 if (!isCursorSet()) {
1360 setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));
1364 // enable or disable components
1365 boolean hasData = _track.getNumPoints() > 0;
1366 _topPanel.setVisible(hasData);
1367 _sidePanel.setVisible(hasData);
1368 // grab focus for the key presses
1369 this.requestFocus();
1373 * Respond to key presses on the map canvas
1374 * @param inE key event
1376 public void keyPressed(KeyEvent inE)
1378 int code = inE.getKeyCode();
1379 int currPointIndex = _selection.getCurrentPointIndex();
1380 // Check for Ctrl key (for Linux/Win) or meta key (Clover key for Mac)
1381 if (inE.isControlDown() || inE.isMetaDown())
1383 // Shift as well makes things faster
1384 final int pointIncrement = inE.isShiftDown()?3:1;
1385 // Check for arrow keys to zoom in and out
1386 if (code == KeyEvent.VK_UP)
1388 else if (code == KeyEvent.VK_DOWN)
1390 // Key nav for next/prev point
1391 else if (code == KeyEvent.VK_LEFT && currPointIndex > 0)
1392 _trackInfo.incrementPointIndex(-pointIncrement);
1393 else if (code == KeyEvent.VK_RIGHT)
1394 _trackInfo.incrementPointIndex(pointIncrement);
1395 else if (code == KeyEvent.VK_PAGE_UP)
1396 _trackInfo.selectPoint(Checker.getPreviousSegmentStart(
1397 _trackInfo.getTrack(), _trackInfo.getSelection().getCurrentPointIndex()));
1398 else if (code == KeyEvent.VK_PAGE_DOWN)
1399 _trackInfo.selectPoint(Checker.getNextSegmentStart(
1400 _trackInfo.getTrack(), _trackInfo.getSelection().getCurrentPointIndex()));
1401 // Check for home and end
1402 else if (code == KeyEvent.VK_HOME)
1403 _trackInfo.selectPoint(0);
1404 else if (code == KeyEvent.VK_END)
1405 _trackInfo.selectPoint(_trackInfo.getTrack().getNumPoints()-1);
1409 // Check for arrow keys to pan
1411 if (code == KeyEvent.VK_UP)
1412 upwardsPan = -PAN_DISTANCE;
1413 else if (code == KeyEvent.VK_DOWN)
1414 upwardsPan = PAN_DISTANCE;
1415 int rightwardsPan = 0;
1416 if (code == KeyEvent.VK_RIGHT)
1417 rightwardsPan = PAN_DISTANCE;
1418 else if (code == KeyEvent.VK_LEFT)
1419 rightwardsPan = -PAN_DISTANCE;
1420 panMap(rightwardsPan, upwardsPan);
1422 if (code == KeyEvent.VK_ESCAPE)
1423 _drawMode = MODE_DEFAULT;
1424 // Check for backspace key to delete current point (delete key already handled by menu)
1425 else if (code == KeyEvent.VK_BACK_SPACE && currPointIndex >= 0) {
1426 _app.deleteCurrentPoint();
1432 * @param inE key released event, ignored
1434 public void keyReleased(KeyEvent e)
1440 * @param inE key typed event, ignored
1442 public void keyTyped(KeyEvent inE)
1448 * @param inE mouse wheel event indicating scroll direction
1450 public void mouseWheelMoved(MouseWheelEvent inE)
1452 int clicks = inE.getWheelRotation();
1454 panMap((inE.getX() - getWidth()/2)/2, (inE.getY() - getHeight()/2)/2);
1457 else if (clicks > 0) {
1458 panMap(-(inE.getX() - getWidth()/2), -(inE.getY() - getHeight()/2));
1464 * @return current map position
1466 public MapPosition getMapPosition()
1468 return _mapPosition;