1 package tim.prune.gui.map;
4 import java.awt.event.*;
5 import java.awt.image.BufferedImage;
8 import javax.swing.event.ChangeEvent;
9 import javax.swing.event.ChangeListener;
12 import tim.prune.DataSubscriber;
13 import tim.prune.FunctionLibrary;
14 import tim.prune.I18nManager;
15 import tim.prune.UpdateMessageBroker;
16 import tim.prune.config.ColourScheme;
17 import tim.prune.config.Config;
18 import tim.prune.data.*;
19 import tim.prune.function.compress.MarkPointsInRectangleFunction;
20 import tim.prune.function.edit.FieldEdit;
21 import tim.prune.function.edit.FieldEditList;
22 import tim.prune.gui.IconManager;
23 import tim.prune.gui.MultiStateCheckBox;
24 import tim.prune.gui.colour.PointColourer;
25 import tim.prune.tips.TipManager;
28 * Class for the map canvas, to display a background map and draw on it
30 public class MapCanvas extends JPanel implements MouseListener, MouseMotionListener, DataSubscriber,
31 KeyListener, MouseWheelListener, TileConsumer
33 /** App object for callbacks */
34 private App _app = null;
36 private Track _track = null;
37 /** TrackInfo object */
38 private TrackInfo _trackInfo = null;
39 /** Selection object */
40 private Selection _selection = null;
41 /** Object to keep track of midpoints */
42 private MidpointData _midpoints = null;
43 /** Index of point clicked at mouseDown */
44 private int _clickedPoint = -1;
45 /** Previously selected point */
46 private int _prevSelectedPoint = -1;
48 private MapTileManager _tileManager = new MapTileManager(this);
49 /** Image to display */
50 private BufferedImage _mapImage = null;
51 /** Second image for drawing track (only needed for alpha blending) */
52 private BufferedImage _trackImage = null;
53 /** Slider for transparency */
54 private JSlider _transparencySlider = null;
55 /** Checkbox for scale bar */
56 private JCheckBox _scaleCheckBox = null;
57 /** Checkbox for maps */
58 private JCheckBox _mapCheckBox = null;
59 /** Checkbox for autopan */
60 private JCheckBox _autopanCheckBox = null;
61 /** Checkbox for connecting track points */
62 private MultiStateCheckBox _connectCheckBox = null;
63 /** Checkbox for enable edit mode */
64 private JCheckBox _editmodeCheckBox = null;
65 /** Right-click popup menu */
66 private JPopupMenu _popup = null;
67 /** Top component panel */
68 private JPanel _topPanel = null;
69 /** Side component panel */
70 private JPanel _sidePanel = null;
72 private ScaleBar _scaleBar = null;
74 private DoubleRange _latRange = null, _lonRange = null;
75 private DoubleRange _xRange = null, _yRange = null;
76 private boolean _recalculate = false;
77 /** Flag to check bounds on next paint */
78 private boolean _checkBounds = false;
80 private MapPosition _mapPosition = null;
81 /** coordinates of drag from point */
82 private int _dragFromX = -1, _dragFromY = -1;
83 /** coordinates of drag to point */
84 private int _dragToX = -1, _dragToY = -1;
85 /** coordinates of popup menu */
86 private int _popupMenuX = -1, _popupMenuY = -1;
87 /** Flag to prevent showing too often the error message about loading maps */
88 private boolean _shownOsmErrorAlready = false;
89 /** Current drawing mode */
90 private int _drawMode = MODE_DEFAULT;
91 /** Current waypoint icon definition */
92 WpIconDefinition _waypointIconDefinition = null;
94 /** Constant for click sensitivity when selecting nearest point */
95 private static final int CLICK_SENSITIVITY = 10;
96 /** Constant for pan distance from key presses */
97 private static final int PAN_DISTANCE = 20;
98 /** Constant for pan distance from autopan */
99 private static final int AUTOPAN_DISTANCE = 75;
102 private static final Color COLOR_MESSAGES = Color.GRAY;
105 private static final int MODE_DEFAULT = 0;
106 private static final int MODE_ZOOM_RECT = 1;
107 private static final int MODE_DRAW_POINTS_START = 2;
108 private static final int MODE_DRAW_POINTS_CONT = 3;
109 private static final int MODE_DRAG_POINT = 4;
110 private static final int MODE_CREATE_MIDPOINT = 5;
111 private static final int MODE_MARK_RECTANGLE = 6;
113 private static final int INDEX_UNKNOWN = -2;
118 * @param inApp App object for callbacks
119 * @param inTrackInfo track info object
121 public MapCanvas(App inApp, TrackInfo inTrackInfo)
124 _trackInfo = inTrackInfo;
125 _track = inTrackInfo.getTrack();
126 _selection = inTrackInfo.getSelection();
127 _midpoints = new MidpointData();
128 _mapPosition = new MapPosition();
129 addMouseListener(this);
130 addMouseMotionListener(this);
131 addMouseWheelListener(this);
132 addKeyListener(this);
134 // Make listener for changes to controls
135 ItemListener itemListener = new ItemListener() {
136 public void itemStateChanged(ItemEvent e)
142 // Make special listener for changes to map checkbox
143 ItemListener mapCheckListener = new ItemListener() {
144 public void itemStateChanged(ItemEvent e)
146 _tileManager.clearMemoryCaches();
148 Config.setConfigBoolean(Config.KEY_SHOW_MAP, e.getStateChange() == ItemEvent.SELECTED);
149 UpdateMessageBroker.informSubscribers(); // to let menu know
150 // If the track is only partially visible and you turn the map off, make the track fully visible again
151 if (e.getStateChange() == ItemEvent.DESELECTED && _transparencySlider.getValue() < 0) {
152 _transparencySlider.setValue(0);
156 _topPanel = new OverlayPanel();
157 _topPanel.setLayout(new FlowLayout());
158 // Make slider for transparency
159 _transparencySlider = new JSlider(-6, 6, 0);
160 _transparencySlider.setPreferredSize(new Dimension(100, 20));
161 _transparencySlider.setMajorTickSpacing(1);
162 _transparencySlider.setSnapToTicks(true);
163 _transparencySlider.setOpaque(false);
164 _transparencySlider.setValue(0);
165 _transparencySlider.addChangeListener(new ChangeListener() {
166 public void stateChanged(ChangeEvent e)
168 int val = _transparencySlider.getValue();
169 if (val == 1 || val == -1)
170 _transparencySlider.setValue(0);
177 _transparencySlider.setFocusable(false); // stop slider from stealing keyboard focus
178 _topPanel.add(_transparencySlider);
179 // Add checkbox button for enabling scale bar
180 _scaleCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.SCALEBAR_BUTTON), true);
181 _scaleCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.SCALEBAR_BUTTON_ON));
182 _scaleCheckBox.setOpaque(false);
183 _scaleCheckBox.setToolTipText(I18nManager.getText("menu.map.showscalebar"));
184 _scaleCheckBox.addItemListener(new ItemListener() {
185 public void itemStateChanged(ItemEvent e) {
186 _scaleBar.setVisible(_scaleCheckBox.isSelected());
189 _scaleCheckBox.setFocusable(false); // stop button from stealing keyboard focus
190 _topPanel.add(_scaleCheckBox);
191 // Add checkbox button for enabling maps or not
192 _mapCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.MAP_BUTTON), false);
193 _mapCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.MAP_BUTTON_ON));
194 _mapCheckBox.setOpaque(false);
195 _mapCheckBox.setToolTipText(I18nManager.getText("menu.map.showmap"));
196 _mapCheckBox.addItemListener(mapCheckListener);
197 _mapCheckBox.setFocusable(false); // stop button from stealing keyboard focus
198 _topPanel.add(_mapCheckBox);
199 // Add checkbox button for enabling autopan or not
200 _autopanCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.AUTOPAN_BUTTON), true);
201 _autopanCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.AUTOPAN_BUTTON_ON));
202 _autopanCheckBox.setOpaque(false);
203 _autopanCheckBox.setToolTipText(I18nManager.getText("menu.map.autopan"));
204 _autopanCheckBox.addItemListener(itemListener);
205 _autopanCheckBox.setFocusable(false); // stop button from stealing keyboard focus
206 _topPanel.add(_autopanCheckBox);
207 // Add checkbox button for connecting points or not
208 _connectCheckBox = new MultiStateCheckBox(4);
209 _connectCheckBox.setIcon(0, IconManager.getImageIcon(IconManager.POINTS_WITH_ARROWS_BUTTON));
210 _connectCheckBox.setIcon(1, IconManager.getImageIcon(IconManager.POINTS_HIDDEN_BUTTON));
211 _connectCheckBox.setIcon(2, IconManager.getImageIcon(IconManager.POINTS_CONNECTED_BUTTON));
212 _connectCheckBox.setIcon(3, IconManager.getImageIcon(IconManager.POINTS_DISCONNECTED_BUTTON));
213 _connectCheckBox.setCurrentState(0);
214 _connectCheckBox.setOpaque(false);
215 _connectCheckBox.setToolTipText(I18nManager.getText("menu.map.connect"));
216 _connectCheckBox.addItemListener(itemListener);
217 _connectCheckBox.setFocusable(false); // stop button from stealing keyboard focus
218 _topPanel.add(_connectCheckBox);
220 // Add checkbox button for edit mode or not
221 _editmodeCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.EDIT_MODE_BUTTON), false);
222 _editmodeCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.EDIT_MODE_BUTTON_ON));
223 _editmodeCheckBox.setOpaque(false);
224 _editmodeCheckBox.setToolTipText(I18nManager.getText("menu.map.editmode"));
225 _editmodeCheckBox.addItemListener(itemListener);
226 _editmodeCheckBox.setFocusable(false); // stop button from stealing keyboard focus
227 _topPanel.add(_editmodeCheckBox);
229 // Add zoom in, zoom out buttons
230 _sidePanel = new OverlayPanel();
231 _sidePanel.setLayout(new BoxLayout(_sidePanel, BoxLayout.Y_AXIS));
232 JButton zoomInButton = new JButton(IconManager.getImageIcon(IconManager.ZOOM_IN_BUTTON));
233 zoomInButton.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
234 zoomInButton.setContentAreaFilled(false);
235 zoomInButton.setToolTipText(I18nManager.getText("menu.map.zoomin"));
236 zoomInButton.addActionListener(new ActionListener() {
237 public void actionPerformed(ActionEvent e)
242 zoomInButton.setFocusable(false); // stop button from stealing keyboard focus
243 _sidePanel.add(zoomInButton);
244 JButton zoomOutButton = new JButton(IconManager.getImageIcon(IconManager.ZOOM_OUT_BUTTON));
245 zoomOutButton.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
246 zoomOutButton.setContentAreaFilled(false);
247 zoomOutButton.setToolTipText(I18nManager.getText("menu.map.zoomout"));
248 zoomOutButton.addActionListener(new ActionListener() {
249 public void actionPerformed(ActionEvent e)
254 zoomOutButton.setFocusable(false); // stop button from stealing keyboard focus
255 _sidePanel.add(zoomOutButton);
257 // Bottom panel for scale bar
258 _scaleBar = new ScaleBar();
260 // add control panels to this one
261 setLayout(new BorderLayout());
262 _topPanel.setVisible(false);
263 _sidePanel.setVisible(false);
264 add(_topPanel, BorderLayout.NORTH);
265 add(_sidePanel, BorderLayout.WEST);
266 add(_scaleBar, BorderLayout.SOUTH);
269 // Get currently selected map from Config, pass to MapTileManager
270 _tileManager.setMapSource(Config.getConfigInt(Config.KEY_MAPSOURCE_INDEX));
271 // Update display settings
272 dataUpdated(MAPSERVER_CHANGED);
277 * Make the popup menu for right-clicking the map
279 private void makePopup()
281 _popup = new JPopupMenu();
282 JMenuItem zoomInItem = new JMenuItem(I18nManager.getText("menu.map.zoomin"));
283 zoomInItem.addActionListener(new ActionListener() {
284 public void actionPerformed(ActionEvent e)
286 panMap((_popupMenuX - getWidth()/2)/2, (_popupMenuY - getHeight()/2)/2);
289 _popup.add(zoomInItem);
290 JMenuItem zoomOutItem = new JMenuItem(I18nManager.getText("menu.map.zoomout"));
291 zoomOutItem.addActionListener(new ActionListener() {
292 public void actionPerformed(ActionEvent e)
294 panMap(-(_popupMenuX - getWidth()/2), -(_popupMenuY - getHeight()/2));
297 _popup.add(zoomOutItem);
298 JMenuItem zoomFullItem = new JMenuItem(I18nManager.getText("menu.map.zoomfull"));
299 zoomFullItem.addActionListener(new ActionListener() {
300 public void actionPerformed(ActionEvent e)
306 _popup.add(zoomFullItem);
307 _popup.addSeparator();
309 JMenuItem setMapBgItem = new JMenuItem(
310 I18nManager.getText(FunctionLibrary.FUNCTION_SET_MAP_BG.getNameKey()));
311 setMapBgItem.addActionListener(new ActionListener() {
312 public void actionPerformed(ActionEvent e)
314 FunctionLibrary.FUNCTION_SET_MAP_BG.begin();
316 _popup.add(setMapBgItem);
318 JMenuItem newPointItem = new JMenuItem(I18nManager.getText("menu.map.newpoint"));
319 newPointItem.addActionListener(new ActionListener() {
320 public void actionPerformed(ActionEvent e)
322 _app.createPoint(createPointFromClick(_popupMenuX, _popupMenuY));
324 _popup.add(newPointItem);
326 JMenuItem drawPointsItem = new JMenuItem(I18nManager.getText("menu.map.drawpoints"));
327 drawPointsItem.addActionListener(new ActionListener() {
328 public void actionPerformed(ActionEvent e)
330 _drawMode = MODE_DRAW_POINTS_START;
333 _popup.add(drawPointsItem);
338 * Zoom to fit the current data area
340 private void zoomToFit()
342 _latRange = _track.getLatRange();
343 _lonRange = _track.getLonRange();
344 _xRange = new DoubleRange(MapUtils.getXFromLongitude(_lonRange.getMinimum()),
345 MapUtils.getXFromLongitude(_lonRange.getMaximum()));
346 _yRange = new DoubleRange(MapUtils.getYFromLatitude(_latRange.getMinimum()),
347 MapUtils.getYFromLatitude(_latRange.getMaximum()));
348 _mapPosition.zoomToXY(_xRange.getMinimum(), _xRange.getMaximum(), _yRange.getMinimum(), _yRange.getMaximum(),
349 getWidth(), getHeight());
355 * @see java.awt.Canvas#paint(java.awt.Graphics)
357 public void paint(Graphics inG)
360 if (_mapImage != null && (_mapImage.getWidth() != getWidth() || _mapImage.getHeight() != getHeight())) {
363 if (_track.getNumPoints() > 0)
365 // Check for autopan if enabled / necessary
366 if (_autopanCheckBox.isSelected())
368 int selectedPoint = _selection.getCurrentPointIndex();
369 if (selectedPoint >= 0 && _dragFromX == -1 && selectedPoint != _prevSelectedPoint)
371 autopanToPoint(selectedPoint);
373 _prevSelectedPoint = selectedPoint;
376 // Draw the map contents if necessary
377 if (_mapImage == null || _recalculate)
380 _scaleBar.updateScale(_mapPosition.getZoom(), _mapPosition.getYFromPixels(0, 0));
382 // Draw the prepared image onto the panel
383 if (_mapImage != null) {
384 inG.drawImage(_mapImage, 0, 0, getWidth(), getHeight(), null);
389 case MODE_DRAG_POINT:
390 drawDragLines(inG, _selection.getCurrentPointIndex()-1, _selection.getCurrentPointIndex()+1);
393 case MODE_CREATE_MIDPOINT:
394 drawDragLines(inG, _clickedPoint-1, _clickedPoint);
398 case MODE_MARK_RECTANGLE:
399 if (_dragFromX != -1 && _dragFromY != -1)
401 // Draw the zoom rectangle if necessary
402 inG.setColor(Color.RED);
403 inG.drawLine(_dragFromX, _dragFromY, _dragFromX, _dragToY);
404 inG.drawLine(_dragFromX, _dragFromY, _dragToX, _dragFromY);
405 inG.drawLine(_dragToX, _dragFromY, _dragToX, _dragToY);
406 inG.drawLine(_dragFromX, _dragToY, _dragToX, _dragToY);
410 case MODE_DRAW_POINTS_CONT:
411 // draw line to mouse position to show drawing mode
412 inG.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_POINT));
413 int prevIndex = _track.getNumPoints()-1;
414 int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(prevIndex));
415 int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(prevIndex));
416 inG.drawLine(px, py, _dragToX, _dragToY);
422 inG.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_BACKGROUND));
423 inG.fillRect(0, 0, getWidth(), getHeight());
424 inG.setColor(COLOR_MESSAGES);
425 inG.drawString(I18nManager.getText("display.nodata"), 50, getHeight()/2);
426 _scaleBar.updateScale(-1, 0);
428 // Draw slider etc on top
433 * @return true if the currently selected point is visible, false if off-screen or nothing selected
435 private boolean isCurrentPointVisible()
437 if (_trackInfo.getCurrentPoint() == null) {return false;}
438 final int selectedPoint = _selection.getCurrentPointIndex();
439 final int xFromCentre = Math.abs(_mapPosition.getXFromCentre(_track.getX(selectedPoint)));
440 if (xFromCentre > (getWidth()/2)) {return false;}
441 final int yFromCentre = Math.abs(_mapPosition.getYFromCentre(_track.getY(selectedPoint)));
442 return yFromCentre < (getHeight()/2);
446 * If the specified point isn't visible, pan to it
447 * @param inIndex index of selected point
449 private void autopanToPoint(int inIndex)
451 int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(inIndex));
452 int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(inIndex));
455 if (px < PAN_DISTANCE) {
456 panX = px - AUTOPAN_DISTANCE;
458 else if (px > (getWidth()-PAN_DISTANCE)) {
459 panX = AUTOPAN_DISTANCE + px - getWidth();
461 if (py < (2*PAN_DISTANCE)) {
462 panY = py - AUTOPAN_DISTANCE;
464 if (py > (getHeight()-PAN_DISTANCE)) {
465 panY = AUTOPAN_DISTANCE + py - getHeight();
467 if (panX != 0 || panY != 0) {
468 _mapPosition.pan(panX, panY);
473 * Paint the map tiles and the points on to the _mapImage
475 private void paintMapContents()
477 if (_mapImage == null || _mapImage.getWidth() != getWidth() || _mapImage.getHeight() != getHeight())
479 _mapImage = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_RGB);
482 Graphics g = _mapImage.getGraphics();
483 // Set antialiasing according to config
484 ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING,
485 Config.getConfigBoolean(Config.KEY_ANTIALIAS) ? RenderingHints.VALUE_ANTIALIAS_ON : RenderingHints.VALUE_ANTIALIAS_OFF);
486 // Clear to background
487 g.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_BACKGROUND));
488 g.fillRect(0, 0, getWidth(), getHeight());
490 // Check whether maps are on or not
491 final boolean showMap = Config.getConfigBoolean(Config.KEY_SHOW_MAP);
492 _mapCheckBox.setSelected(showMap);
493 // Check whether disk cache is on or not
494 final boolean usingDiskCache = Config.getConfigString(Config.KEY_DISK_CACHE) != null;
495 // Show tip to recommend setting up a cache
496 if (showMap && !usingDiskCache && Config.getConfigBoolean(Config.KEY_ONLINE_MODE))
498 SwingUtilities.invokeLater(new Runnable() {
500 _app.showTip(TipManager.Tip_UseAMapCache);
505 // reset error message
506 if (!showMap) {_shownOsmErrorAlready = false;}
507 _recalculate = false;
508 // Only get map tiles if selected
512 _tileManager.centreMap(_mapPosition.getZoom(), _mapPosition.getCentreTileX(), _mapPosition.getCentreTileY());
514 boolean loadingFailed = false;
515 if (_mapImage == null) return;
517 if (_tileManager.isOverzoomed())
519 // display overzoom message
520 g.setColor(COLOR_MESSAGES);
521 g.drawString(I18nManager.getText("map.overzoom"), 50, getHeight()/2);
525 int numLayers = _tileManager.getNumLayers();
526 // Loop over tiles drawing each one
527 int[] tileIndices = _mapPosition.getTileIndices(getWidth(), getHeight());
528 int[] pixelOffsets = _mapPosition.getDisplayOffsets(getWidth(), getHeight());
529 for (int tileX = tileIndices[0]; tileX <= tileIndices[1] && !loadingFailed; tileX++)
531 int x = (tileX - tileIndices[0]) * 256 - pixelOffsets[0];
532 for (int tileY = tileIndices[2]; tileY <= tileIndices[3]; tileY++)
534 int y = (tileY - tileIndices[2]) * 256 - pixelOffsets[1];
536 for (int l=0; l<numLayers; l++)
538 Image image = _tileManager.getTile(l, tileX, tileY, true);
540 g.drawImage(image, x, y, 256, 256, null);
546 // Make maps brighter / fainter according to slider
547 final int brightnessIndex = Math.max(1, _transparencySlider.getValue()) - 1;
548 if (brightnessIndex > 0)
550 final int[] alphas = {0, 40, 80, 120, 160, 210};
551 Color bgColor = Config.getColourScheme().getColour(ColourScheme.IDX_BACKGROUND);
552 bgColor = new Color(bgColor.getRed(), bgColor.getGreen(), bgColor.getBlue(), alphas[brightnessIndex]);
554 g.fillRect(0, 0, getWidth(), getHeight());
559 // Work out track opacity according to slider
560 final float[] opacities = {1.0f, 0.75f, 0.5f, 0.3f, 0.15f, 0.0f};
561 float trackOpacity = 1.0f;
562 if (_transparencySlider.getValue() < 0) {
563 trackOpacity = opacities[-1 - _transparencySlider.getValue()];
566 if (trackOpacity > 0.0f)
568 // Paint the track points on top
569 boolean pointsPainted = true;
572 if (trackOpacity > 0.9f)
574 // Track is fully opaque, just draw it directly
575 pointsPainted = paintPoints(g);
580 // Track is partly transparent, so use a separate BufferedImage
581 if (_trackImage == null || _trackImage.getWidth() != getWidth() || _trackImage.getHeight() != getHeight())
583 _trackImage = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
585 // Clear to transparent
586 Graphics2D gTrack = _trackImage.createGraphics();
587 gTrack.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR, 0.0f));
588 gTrack.fillRect(0, 0, getWidth(), getHeight());
589 gTrack.setPaintMode();
590 // Draw the track onto this separate image
591 pointsPainted = paintPoints(gTrack);
592 ((Graphics2D) g).setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, trackOpacity));
593 g.drawImage(_trackImage, 0, 0, null);
596 catch (NullPointerException npe) {} // ignore, probably due to data being changed during drawing
597 catch (ArrayIndexOutOfBoundsException obe) {} // also ignore
599 // Zoom to fit if no points found
600 if (!pointsPainted && _checkBounds)
611 _checkBounds = false;
612 // enable / disable transparency slider
613 _transparencySlider.setEnabled(showMap);
618 * Paint the points using the given graphics object
619 * @param inG Graphics object to use for painting
620 * @return true if any points or lines painted
622 private boolean paintPoints(Graphics inG)
625 final ColourScheme cs = Config.getColourScheme();
626 final Color pointColour = cs.getColour(ColourScheme.IDX_POINT);
627 final Color rangeColour = cs.getColour(ColourScheme.IDX_SELECTION);
628 final Color currentColour = cs.getColour(ColourScheme.IDX_PRIMARY);
629 final Color secondColour = cs.getColour(ColourScheme.IDX_SECONDARY);
630 final Color textColour = cs.getColour(ColourScheme.IDX_TEXT);
631 final PointColourer pointColourer = _app.getPointColourer();
633 final int winWidth = getWidth();
634 final int winHeight = getHeight();
635 final int halfWinWidth = winWidth / 2;
636 final int halfWinHeight = winHeight / 2;
638 final int numPoints = _track.getNumPoints();
639 final int[] xPixels = new int[numPoints];
640 final int[] yPixels = new int[numPoints];
642 final int pointSeparationForArrowsSqd = 350;
643 final int pointSeparation1dForArrows = (int) (Math.sqrt(pointSeparationForArrowsSqd) * 0.7);
645 // try to set line width for painting
646 if (inG instanceof Graphics2D)
648 int lineWidth = Config.getConfigInt(Config.KEY_LINE_WIDTH);
649 if (lineWidth < 1 || lineWidth > 4) {lineWidth = 2;}
650 ((Graphics2D) inG).setStroke(new BasicStroke(lineWidth));
653 boolean pointsPainted = false;
655 inG.setColor(pointColour);
656 int prevX = -1, prevY = -1;
657 final int connectState = _connectCheckBox.getCurrentState();
658 final boolean drawLines = (connectState != 3); // 0, 1 or 2
659 final boolean drawPoints = (connectState != 1); // 0, 2 or 3
660 final boolean drawArrows = (connectState == 0); // 0
662 boolean prevPointVisible = false, currPointVisible = false;
663 boolean anyWaypoints = false;
664 boolean isWaypoint = false;
665 boolean drawnLastArrow = false; // avoid painting arrows on adjacent lines, looks too busy
666 for (int i=0; i<numPoints; i++)
668 // Calculate pixel position of point from its x, y coordinates
669 int px = halfWinWidth + _mapPosition.getXFromCentre(_track.getX(i));
670 int py = halfWinHeight + _mapPosition.getYFromCentre(_track.getY(i));
671 px = wrapLongitudeValue(px, winWidth, _mapPosition.getZoom());
672 // Remember these calculated pixel values so they don't have to be recalculated
673 xPixels[i] = px; yPixels[i] = py;
675 currPointVisible = px >= 0 && px < winWidth && py >= 0 && py < winHeight;
676 isWaypoint = _track.getPoint(i).isWaypoint();
677 anyWaypoints = anyWaypoints || isWaypoint;
680 if (currPointVisible || (drawLines && prevPointVisible))
682 // For track points, work out which colour to use
683 if (_track.getPoint(i).getDeleteFlag()) {
684 inG.setColor(currentColour);
686 else if (pointColourer != null)
687 { // use the point colourer if there is one
688 Color trackColour = pointColourer.getColour(i);
689 inG.setColor(trackColour);
693 inG.setColor(pointColour);
696 // Draw rectangle for track point if it's visible
697 if (currPointVisible)
700 inG.drawRect(px-2, py-2, 3, 3);
702 pointsPainted = true;
706 // Connect track points if either of them are visible
708 && (currPointVisible || prevPointVisible)
709 && !(prevX == -1 && prevY == -1)
710 && !_track.getPoint(i).getSegmentStart())
712 inG.drawLine(prevX, prevY, px, py);
713 pointsPainted = true;
715 // Now consider whether we need to draw an arrow as well
718 && (Math.abs(prevX-px) > pointSeparation1dForArrows || Math.abs(prevY-py) > pointSeparation1dForArrows))
720 final double pointSeparationSqd = (prevX-px) * (prevX-px) + (prevY-py) * (prevY-py);
721 if (pointSeparationSqd > pointSeparationForArrowsSqd)
723 final double midX = (prevX + px) / 2;
724 final double midY = (prevY + py) / 2;
725 final boolean midPointVisible = midX >= 0 && midX < winWidth && midY >= 0 && midY < winHeight;
728 final double alpha = Math.atan2(py - prevY, px - prevX);
729 //System.out.println("Draw arrow from (" + prevX + "," + prevY + ") to (" + px + "," + py
730 // + ") with angle" + (int) (alpha * 180/Math.PI));
731 final double MID_TO_VERTEX = 3.0;
732 final double arrowX = MID_TO_VERTEX * Math.cos(alpha);
733 final double arrowY = MID_TO_VERTEX * Math.sin(alpha);
734 final double vertexX = midX + arrowX;
735 final double vertexY = midY + arrowY;
736 inG.drawLine((int)(midX-arrowX-2*arrowY), (int)(midY-arrowY+2*arrowX), (int)vertexX, (int)vertexY);
737 inG.drawLine((int)(midX-arrowX+2*arrowY), (int)(midY-arrowY-2*arrowX), (int)vertexX, (int)vertexY);
739 drawnLastArrow = midPointVisible;
744 drawnLastArrow = false;
747 prevX = px; prevY = py;
749 prevPointVisible = currPointVisible;
752 // Loop over points, just drawing blobs for waypoints
753 inG.setColor(textColour);
754 FontMetrics fm = inG.getFontMetrics();
755 int nameHeight = fm.getHeight();
758 int numWaypoints = 0;
759 for (int i=0; i<_track.getNumPoints(); i++)
761 if (_track.getPoint(i).isWaypoint())
765 if (px >= 0 && px < winWidth && py >= 0 && py < winHeight)
767 if (_waypointIconDefinition == null)
769 inG.fillRect(px-3, py-3, 6, 6);
773 ImageIcon icon = _waypointIconDefinition.getImageIcon();
776 inG.drawImage(icon.getImage(), px-_waypointIconDefinition.getXOffset(),
777 py-_waypointIconDefinition.getYOffset(), null);
780 pointsPainted = true;
785 // Take more care with waypoint names if less than 100 are visible
786 final int numNameSteps = (numWaypoints > 100 ? 1 : 4);
787 final int numPointSteps = (numWaypoints > 1000 ? 2 : 1);
789 // Loop over points again, now draw names for waypoints
790 int[] nameXs = {0, 0, 0, 0};
791 int[] nameYs = {0, 0, 0, 0};
792 for (int i=0; i<_track.getNumPoints(); i += numPointSteps)
794 if (_track.getPoint(i).isWaypoint())
798 if (px >= 0 && px < winWidth && py >= 0 && py < winHeight)
800 // Figure out where to draw waypoint name so it doesn't obscure track
801 String waypointName = _track.getPoint(i).getWaypointName();
802 int nameWidth = fm.stringWidth(waypointName);
803 boolean drawnName = false;
804 // Make arrays for coordinates right left up down
805 nameXs[0] = px + 2; nameXs[1] = px - nameWidth - 2;
806 nameXs[2] = nameXs[3] = px - nameWidth/2;
807 nameYs[0] = nameYs[1] = py + (nameHeight/2);
808 nameYs[2] = py - 2; nameYs[3] = py + nameHeight + 2;
809 for (int extraSpace = 0; extraSpace < numNameSteps && !drawnName; extraSpace++)
811 // Shift arrays for coordinates right left up down
812 nameXs[0] += 3; nameXs[1] -= 3;
813 nameYs[2] -= 3; nameYs[3] += 3;
814 // Check each direction in turn right left up down
815 for (int a=0; a<4; a++)
817 if (nameXs[a] > 0 && (nameXs[a] + nameWidth) < winWidth
818 && nameYs[a] < winHeight && (nameYs[a] - nameHeight) > 0
819 && !MapUtils.overlapsPoints(_mapImage, nameXs[a], nameYs[a], nameWidth, nameHeight, textColour))
821 // Found a rectangle to fit - draw name here and quit
822 inG.drawString(waypointName, nameXs[a], nameYs[a]);
832 // Loop over points, drawing blobs for photo / audio points
833 inG.setColor(secondColour);
834 for (int i=0; i<_track.getNumPoints(); i++)
836 if (_track.getPoint(i).hasMedia())
840 if (px >= 0 && px < winWidth && py >= 0 && py < winHeight)
842 inG.drawRect(px-1, py-1, 2, 2);
843 inG.drawRect(px-2, py-2, 4, 4);
844 pointsPainted = true;
849 // Draw selected range
850 if (_selection.hasRangeSelected())
852 inG.setColor(rangeColour);
853 for (int i=_selection.getStart(); i<=_selection.getEnd(); i++)
857 inG.drawRect(px-1, py-1, 2, 2);
861 // Draw crosshairs at selected point
862 int selectedPoint = _selection.getCurrentPointIndex();
863 if (selectedPoint >= 0)
865 int px = xPixels[selectedPoint];
866 int py = yPixels[selectedPoint];
867 inG.setColor(currentColour);
869 inG.drawLine(px, 0, px, winHeight);
870 inG.drawLine(0, py, winWidth, py);
872 // Return the number of points painted
873 return pointsPainted;
877 * Wrap the given pixel value if appropriate and possible
878 * @param inPx Pixel x coordinate
879 * @param inWinWidth window width in pixels
880 * @param inZoom zoom level
881 * @return modified pixel x coordinate
883 private static int wrapLongitudeValue(int inPx, int inWinWidth, int inZoom)
885 if (inPx > inWinWidth)
887 // Pixel is too far right, could we wrap it back onto the screen?
889 while (px > inWinWidth) {
890 px -= (256 << inZoom);
893 return px; // successfully wrapped back onto the screen
898 // Pixel is too far left, could we wrap it back onto the screen?
901 px += (256 << inZoom);
903 if (px < inWinWidth) {
904 return px; // successfully wrapped back onto the screen
907 // Either it's already on the screen or couldn't be wrapped
912 * Draw the lines while dragging a point
913 * @param inG graphics object
914 * @param inPrevIndex index of point to draw from
915 * @param inNextIndex index of point to draw to
917 private void drawDragLines(Graphics inG, int inPrevIndex, int inNextIndex)
919 inG.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_POINT));
920 // line from prev point to cursor
921 if (inPrevIndex > -1 && !_track.getPoint(inPrevIndex+1).getSegmentStart())
923 final int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(inPrevIndex));
924 final int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(inPrevIndex));
925 inG.drawLine(px, py, _dragToX, _dragToY);
927 if (inNextIndex < _track.getNumPoints() && !_track.getPoint(inNextIndex).getSegmentStart())
929 final int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(inNextIndex));
930 final int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(inNextIndex));
931 inG.drawLine(px, py, _dragToX, _dragToY);
936 * Inform that tiles have been updated and the map can be repainted
937 * @param inIsOk true if data loaded ok, false for error
939 public void tilesUpdated(boolean inIsOk)
943 // Show message if loading failed (but not too many times)
944 if (!inIsOk && !_shownOsmErrorAlready && _mapCheckBox.isSelected())
946 _shownOsmErrorAlready = true;
947 // use separate thread to show message about failing to load osm images
948 new Thread(new Runnable() {
950 try {Thread.sleep(500);} catch (InterruptedException ie) {}
951 _app.showErrorMessage("error.osmimage.dialogtitle", "error.osmimage.failed");
961 * Zoom out, if not already at minimum zoom
963 public void zoomOut()
965 _mapPosition.zoomOut();
971 * Zoom in, if not already at maximum zoom
975 // See if selected point is currently visible, if so (and autopan on) then autopan after zoom to keep it visible
976 boolean wasVisible = _autopanCheckBox.isSelected() && isCurrentPointVisible();
977 _mapPosition.zoomIn();
978 if (wasVisible && !isCurrentPointVisible()) {
979 autopanToPoint(_selection.getCurrentPointIndex());
987 * @param inDeltaX x shift
988 * @param inDeltaY y shift
990 public void panMap(int inDeltaX, int inDeltaY)
992 _mapPosition.pan(inDeltaX, inDeltaY);
998 * Create a DataPoint object from the given click coordinates
999 * @param inX x coordinate of click
1000 * @param inY y coordinate of click
1001 * @return DataPoint with given coordinates and no altitude
1003 private DataPoint createPointFromClick(int inX, int inY)
1005 double lat = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(inY, getHeight()));
1006 double lon = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(inX, getWidth()));
1007 return new DataPoint(new Latitude(lat, Coordinate.FORMAT_NONE),
1008 new Longitude(lon, Coordinate.FORMAT_NONE), null);
1012 * Move a DataPoint object to the given mouse coordinates
1013 * @param startX start x coordinate of mouse
1014 * @param startY start y coordinate of mouse
1015 * @param endX end x coordinate of mouse
1016 * @param endY end y coordinate of mouse
1018 private void movePointToMouse(int startX, int startY, int endX, int endY )
1020 double lat1 = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(startY, getHeight()));
1021 double lon1 = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(startX, getWidth()));
1022 double lat_delta = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(endY, getHeight())) - lat1;
1023 double lon_delta = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(endX, getWidth())) - lon1;
1025 DataPoint point = _trackInfo.getCurrentPoint();
1026 if (point == null) {
1030 // Make lists for edit and undo, and add each changed field in turn
1031 FieldEditList editList = new FieldEditList();
1032 FieldEditList undoList = new FieldEditList();
1035 FieldList fieldList = _track.getFieldList();
1036 int numFields = fieldList.getNumFields();
1037 for (int i=0; i<numFields; i++)
1039 Field field = fieldList.getField(i);
1040 if (field == Field.LATITUDE) {
1041 editList.addEdit(new FieldEdit(field, Double.toString(point.getLatitude().getDouble() + lat_delta)));
1042 undoList.addEdit(new FieldEdit(field, point.getFieldValue(Field.LATITUDE)));
1044 else if (field == Field.LONGITUDE) {
1045 editList.addEdit(new FieldEdit(field, Double.toString(point.getLongitude().getDouble() + lon_delta)));
1046 undoList.addEdit(new FieldEdit(field, point.getFieldValue(Field.LONGITUDE)));
1049 _app.completePointEdit(editList, undoList);
1054 * @see javax.swing.JComponent#getMinimumSize()
1056 public Dimension getMinimumSize()
1058 final Dimension minSize = new Dimension(512, 300);
1063 * @see javax.swing.JComponent#getPreferredSize()
1065 public Dimension getPreferredSize()
1067 return getMinimumSize();
1072 * Respond to mouse click events
1073 * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
1075 public void mouseClicked(MouseEvent inE)
1077 if (_track != null && _track.getNumPoints() > 0)
1079 // select point if it's a left-click
1080 if (!inE.isMetaDown())
1082 if (inE.getClickCount() == 1)
1085 if (_drawMode == MODE_DEFAULT)
1087 int pointIndex = _clickedPoint;
1088 if (pointIndex == INDEX_UNKNOWN)
1090 // index hasn't been calculated yet
1091 pointIndex = _track.getNearestPointIndex(
1092 _mapPosition.getXFromPixels(inE.getX(), getWidth()),
1093 _mapPosition.getYFromPixels(inE.getY(), getHeight()),
1094 _mapPosition.getBoundsFromPixels(CLICK_SENSITIVITY), false);
1096 // Extend selection for shift-click
1097 if (inE.isShiftDown()) {
1098 _trackInfo.extendSelection(pointIndex);
1101 _trackInfo.selectPoint(pointIndex);
1104 else if (_drawMode == MODE_DRAW_POINTS_START)
1106 _app.createPoint(createPointFromClick(inE.getX(), inE.getY()));
1107 _dragToX = inE.getX();
1108 _dragToY = inE.getY();
1109 _drawMode = MODE_DRAW_POINTS_CONT;
1111 else if (_drawMode == MODE_DRAW_POINTS_CONT)
1113 DataPoint point = createPointFromClick(inE.getX(), inE.getY());
1114 _app.createPoint(point, false); // not a new segment
1117 else if (inE.getClickCount() == 2)
1120 if (_drawMode == MODE_DEFAULT) {
1121 panMap(inE.getX() - getWidth()/2, inE.getY() - getHeight()/2);
1124 else if (_drawMode == MODE_DRAW_POINTS_START || _drawMode == MODE_DRAW_POINTS_CONT) {
1125 _drawMode = MODE_DEFAULT;
1131 // show the popup menu for right-clicks
1132 _popupMenuX = inE.getX();
1133 _popupMenuY = inE.getY();
1134 _popup.show(this, _popupMenuX, _popupMenuY);
1138 _app.setCurrentMode(App.AppMode.NORMAL);
1139 if (_drawMode == MODE_MARK_RECTANGLE) _drawMode = MODE_DEFAULT;
1143 * Ignore mouse enter events
1144 * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
1146 public void mouseEntered(MouseEvent inE)
1152 * Ignore mouse exited events
1153 * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
1155 public void mouseExited(MouseEvent inE)
1161 * React to mouse pressed events to initiate a point drag
1162 * @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
1164 public void mousePressed(MouseEvent inE)
1166 _clickedPoint = INDEX_UNKNOWN;
1167 if (_track == null || _track.getNumPoints() <= 0)
1169 if (!inE.isMetaDown())
1171 // Left mouse drag - check if point is near; if so select it for dragging
1172 if (_drawMode == MODE_DEFAULT)
1174 /* Drag points if edit mode is enabled OR ALT is pressed */
1175 if (_editmodeCheckBox.isSelected() || inE.isAltDown() || inE.isAltGraphDown())
1177 final double clickX = _mapPosition.getXFromPixels(inE.getX(), getWidth());
1178 final double clickY = _mapPosition.getYFromPixels(inE.getY(), getHeight());
1179 final double clickSens = _mapPosition.getBoundsFromPixels(CLICK_SENSITIVITY);
1180 _clickedPoint = _track.getNearestPointIndex(clickX, clickY, clickSens, false);
1182 if (_clickedPoint >= 0)
1184 // TODO: maybe use another color of the cross or remove the cross while dragging???
1186 _trackInfo.selectPoint(_clickedPoint);
1187 if (_trackInfo.getCurrentPoint() != null)
1189 _drawMode = MODE_DRAG_POINT;
1190 _dragFromX = _dragToX = inE.getX();
1191 _dragFromY = _dragToY = inE.getY();
1196 // Not a click on a point, so check half-way between two (connected) trackpoints
1197 int midpointIndex = _midpoints.getNearestPointIndex(clickX, clickY, clickSens);
1198 if (midpointIndex > 0)
1200 _drawMode = MODE_CREATE_MIDPOINT;
1201 _clickedPoint = midpointIndex;
1202 _dragFromX = _dragToX = inE.getX();
1203 _dragFromY = _dragToY = inE.getY();
1209 // else right-press ignored
1213 * Respond to mouse released events
1214 * @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
1216 public void mouseReleased(MouseEvent inE)
1218 _recalculate = true;
1220 if (_drawMode == MODE_DRAG_POINT)
1222 if (Math.abs(_dragToX - _dragFromX) > 2
1223 || Math.abs(_dragToY - _dragFromY) > 2)
1225 movePointToMouse(_dragFromX, _dragFromY, _dragToX, _dragToY );
1227 _drawMode = MODE_DEFAULT;
1229 else if (_drawMode == MODE_CREATE_MIDPOINT)
1231 _drawMode = MODE_DEFAULT;
1232 _app.createPoint(createPointFromClick(_dragToX, _dragToY), _clickedPoint);
1234 else if (_drawMode == MODE_ZOOM_RECT)
1236 if (Math.abs(_dragToX - _dragFromX) > 20
1237 && Math.abs(_dragToY - _dragFromY) > 20)
1239 _mapPosition.zoomToPixels(_dragFromX, _dragToX, _dragFromY, _dragToY, getWidth(), getHeight());
1241 _drawMode = MODE_DEFAULT;
1243 else if (_drawMode == MODE_MARK_RECTANGLE)
1246 _app.setCurrentMode(App.AppMode.NORMAL);
1247 _drawMode = MODE_DEFAULT;
1248 // Call a function to mark the points
1249 MarkPointsInRectangleFunction marker = (MarkPointsInRectangleFunction) FunctionLibrary.FUNCTION_MARK_IN_RECTANGLE;
1250 double lon1 = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(_dragFromX, getWidth()));
1251 double lat1 = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(_dragFromY, getHeight()));
1252 double lon2 = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(_dragToX, getWidth()));
1253 double lat2 = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(_dragToY, getHeight()));
1254 // Invalidate rectangle if pixel coords are (-1,-1)
1255 if (_dragFromX < 0 || _dragFromY < 0) {
1259 marker.setRectCoords(lon1, lat1, lon2, lat2);
1262 _dragFromX = _dragFromY = -1;
1267 * Respond to mouse drag events
1268 * @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
1270 public void mouseDragged(MouseEvent inE)
1272 if (!inE.isMetaDown())
1274 // Left mouse drag - either drag the point or pan the map
1275 if (_drawMode == MODE_DRAG_POINT || _drawMode == MODE_CREATE_MIDPOINT)
1278 _dragToX = inE.getX();
1279 _dragToY = inE.getY();
1280 _recalculate = true;
1283 else if (_drawMode == MODE_MARK_RECTANGLE)
1285 // draw a rectangle for marking points
1286 if (_dragFromX == -1) {
1287 _dragFromX = inE.getX();
1288 _dragFromY = inE.getY();
1290 _dragToX = inE.getX();
1291 _dragToY = inE.getY();
1296 // regular left-drag pans map by appropriate amount
1297 if (_dragFromX != -1)
1299 panMap(_dragFromX - inE.getX(), _dragFromY - inE.getY());
1301 _dragFromX = _dragToX = inE.getX();
1302 _dragFromY = _dragToY = inE.getY();
1307 // Right-click and drag - update rectangle
1308 _drawMode = MODE_ZOOM_RECT;
1309 if (_dragFromX == -1) {
1310 _dragFromX = inE.getX();
1311 _dragFromY = inE.getY();
1313 _dragToX = inE.getX();
1314 _dragToY = inE.getY();
1320 * Respond to mouse move events without button pressed
1321 * @param inEvent ignored
1323 public void mouseMoved(MouseEvent inEvent)
1325 boolean useCrosshairs = false;
1326 boolean useResize = false;
1327 // Ignore unless we're drawing points
1328 if (_drawMode == MODE_DRAW_POINTS_CONT)
1330 _dragToX = inEvent.getX();
1331 _dragToY = inEvent.getY();
1334 else if (_drawMode == MODE_MARK_RECTANGLE) {
1337 else if (_editmodeCheckBox.isSelected() || inEvent.isAltDown() || inEvent.isAltGraphDown())
1339 // Try to find a point or a midpoint at this location, and if there is one
1340 // then change the cursor to crosshairs
1341 final double clickX = _mapPosition.getXFromPixels(inEvent.getX(), getWidth());
1342 final double clickY = _mapPosition.getYFromPixels(inEvent.getY(), getHeight());
1343 final double clickSens = _mapPosition.getBoundsFromPixels(CLICK_SENSITIVITY);
1344 useCrosshairs = (_track.getNearestPointIndex(clickX, clickY, clickSens, false) >= 0
1345 || _midpoints.getNearestPointIndex(clickX, clickY, clickSens) >= 0
1348 if (useCrosshairs && !isCursorSet()) {
1349 setCursor(Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR));
1351 else if (useResize && !isCursorSet()) {
1352 setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));
1354 else if (!useCrosshairs && !useResize && isCursorSet()) {
1360 * Respond to status bar message from broker
1361 * @param inMessage message, ignored
1363 public void actionCompleted(String inMessage)
1369 * Respond to data updated message from broker
1370 * @param inUpdateType type of update
1372 public void dataUpdated(byte inUpdateType)
1374 _recalculate = true;
1375 if ((inUpdateType & DataSubscriber.DATA_ADDED_OR_REMOVED) > 0) {
1376 _checkBounds = true;
1378 if ((inUpdateType & DataSubscriber.MAPSERVER_CHANGED) > 0)
1380 // Get the selected map source index and pass to tile manager
1381 _tileManager.setMapSource(Config.getConfigInt(Config.KEY_MAPSOURCE_INDEX));
1382 final int wpType = Config.getConfigInt(Config.KEY_WAYPOINT_ICONS);
1383 if (wpType == WpIconLibrary.WAYPT_DEFAULT)
1385 _waypointIconDefinition = null;
1389 final int wpSize = Config.getConfigInt(Config.KEY_WAYPOINT_ICON_SIZE);
1390 _waypointIconDefinition = WpIconLibrary.getIconDefinition(wpType, wpSize);
1393 if ((inUpdateType & (DataSubscriber.DATA_ADDED_OR_REMOVED + DataSubscriber.DATA_EDITED)) > 0) {
1394 _midpoints.updateData(_track);
1396 // See if rect mode has been activated
1397 if (_app.getCurrentMode() == App.AppMode.DRAWRECT)
1399 _drawMode = MODE_MARK_RECTANGLE;
1400 if (!isCursorSet()) {
1401 setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));
1405 // enable or disable components
1406 boolean hasData = _track.getNumPoints() > 0;
1407 _topPanel.setVisible(hasData);
1408 _sidePanel.setVisible(hasData);
1409 // grab focus for the key presses
1410 this.requestFocus();
1414 * Respond to key presses on the map canvas
1415 * @param inE key event
1417 public void keyPressed(KeyEvent inE)
1419 int code = inE.getKeyCode();
1420 int currPointIndex = _selection.getCurrentPointIndex();
1421 // Check for Ctrl key (for Linux/Win) or meta key (Clover key for Mac)
1422 if (inE.isControlDown() || inE.isMetaDown())
1424 // Shift as well makes things faster
1425 final int pointIncrement = inE.isShiftDown()?3:1;
1426 // Check for arrow keys to zoom in and out
1427 if (code == KeyEvent.VK_UP)
1429 else if (code == KeyEvent.VK_DOWN)
1431 // Key nav for next/prev point
1432 else if (code == KeyEvent.VK_LEFT && currPointIndex > 0)
1433 _trackInfo.incrementPointIndex(-pointIncrement);
1434 else if (code == KeyEvent.VK_RIGHT)
1435 _trackInfo.incrementPointIndex(pointIncrement);
1436 else if (code == KeyEvent.VK_PAGE_UP)
1437 _trackInfo.selectPoint(Checker.getPreviousSegmentStart(
1438 _trackInfo.getTrack(), _trackInfo.getSelection().getCurrentPointIndex()));
1439 else if (code == KeyEvent.VK_PAGE_DOWN)
1440 _trackInfo.selectPoint(Checker.getNextSegmentStart(
1441 _trackInfo.getTrack(), _trackInfo.getSelection().getCurrentPointIndex()));
1442 // Check for home and end
1443 else if (code == KeyEvent.VK_HOME)
1444 _trackInfo.selectPoint(0);
1445 else if (code == KeyEvent.VK_END)
1446 _trackInfo.selectPoint(_trackInfo.getTrack().getNumPoints()-1);
1450 // Check for arrow keys to pan
1452 if (code == KeyEvent.VK_UP)
1453 upwardsPan = -PAN_DISTANCE;
1454 else if (code == KeyEvent.VK_DOWN)
1455 upwardsPan = PAN_DISTANCE;
1456 int rightwardsPan = 0;
1457 if (code == KeyEvent.VK_RIGHT)
1458 rightwardsPan = PAN_DISTANCE;
1459 else if (code == KeyEvent.VK_LEFT)
1460 rightwardsPan = -PAN_DISTANCE;
1461 panMap(rightwardsPan, upwardsPan);
1463 if (code == KeyEvent.VK_ESCAPE)
1464 _drawMode = MODE_DEFAULT;
1465 // Check for backspace key to delete current point (delete key already handled by menu)
1466 else if (code == KeyEvent.VK_BACK_SPACE && currPointIndex >= 0) {
1467 _app.deleteCurrentPoint();
1473 * @param inE key released event, ignored
1475 public void keyReleased(KeyEvent e)
1481 * @param inE key typed event, ignored
1483 public void keyTyped(KeyEvent inE)
1489 * @param inE mouse wheel event indicating scroll direction
1491 public void mouseWheelMoved(MouseWheelEvent inE)
1493 int clicks = inE.getWheelRotation();
1495 panMap((inE.getX() - getWidth()/2)/2, (inE.getY() - getHeight()/2)/2);
1498 else if (clicks > 0) {
1499 panMap(-(inE.getX() - getWidth()/2), -(inE.getY() - getHeight()/2));
1505 * @return current map position
1507 public MapPosition getMapPosition()
1509 return _mapPosition;