+++ /dev/null
-package tim.prune.gui.map;
-
-import java.awt.*;
-import java.awt.event.*;
-import java.awt.image.BufferedImage;
-
-import javax.swing.*;
-import javax.swing.event.ChangeEvent;
-import javax.swing.event.ChangeListener;
-
-import tim.prune.App;
-import tim.prune.DataSubscriber;
-import tim.prune.FunctionLibrary;
-import tim.prune.I18nManager;
-import tim.prune.UpdateMessageBroker;
-import tim.prune.config.ColourScheme;
-import tim.prune.config.Config;
-import tim.prune.data.*;
-import tim.prune.function.compress.MarkPointsInRectangleFunction;
-import tim.prune.function.edit.FieldEdit;
-import tim.prune.function.edit.FieldEditList;
-import tim.prune.gui.IconManager;
-import tim.prune.gui.MultiStateCheckBox;
-import tim.prune.gui.colour.PointColourer;
-import tim.prune.tips.TipManager;
-
-/**
- * Class for the map canvas, to display a background map and draw on it
- */
-public class MapCanvas extends JPanel implements MouseListener, MouseMotionListener, DataSubscriber,
- KeyListener, MouseWheelListener, TileConsumer
-{
- /** App object for callbacks */
- private App _app = null;
- /** Track object */
- private Track _track = null;
- /** TrackInfo object */
- private TrackInfo _trackInfo = null;
- /** Selection object */
- private Selection _selection = null;
- /** Object to keep track of midpoints */
- private MidpointData _midpoints = null;
- /** Index of point clicked at mouseDown */
- private int _clickedPoint = -1;
- /** Previously selected point */
- private int _prevSelectedPoint = -1;
- /** Tile manager */
- private MapTileManager _tileManager = new MapTileManager(this);
- /** Image to display */
- private BufferedImage _mapImage = null;
- /** Second image for drawing track (only needed for alpha blending) */
- private BufferedImage _trackImage = null;
- /** Slider for transparency */
- private JSlider _transparencySlider = null;
- /** Checkbox for scale bar */
- private JCheckBox _scaleCheckBox = null;
- /** Checkbox for maps */
- private JCheckBox _mapCheckBox = null;
- /** Checkbox for autopan */
- private JCheckBox _autopanCheckBox = null;
- /** Checkbox for connecting track points */
- private MultiStateCheckBox _connectCheckBox = null;
- /** Checkbox for enable edit mode */
- private JCheckBox _editmodeCheckBox = null;
- /** Right-click popup menu */
- private JPopupMenu _popup = null;
- /** Top component panel */
- private JPanel _topPanel = null;
- /** Side component panel */
- private JPanel _sidePanel = null;
- /** Scale bar */
- private ScaleBar _scaleBar = null;
- /* Data */
- private DoubleRange _latRange = null, _lonRange = null;
- private DoubleRange _xRange = null, _yRange = null;
- private boolean _recalculate = false;
- /** Flag to check bounds on next paint */
- private boolean _checkBounds = false;
- /** Map position */
- private MapPosition _mapPosition = null;
- /** coordinates of drag from point */
- private int _dragFromX = -1, _dragFromY = -1;
- /** coordinates of drag to point */
- private int _dragToX = -1, _dragToY = -1;
- /** coordinates of popup menu */
- private int _popupMenuX = -1, _popupMenuY = -1;
- /** Flag to prevent showing too often the error message about loading maps */
- private boolean _shownOsmErrorAlready = false;
- /** Current drawing mode */
- private int _drawMode = MODE_DEFAULT;
- /** Current waypoint icon definition */
- WpIconDefinition _waypointIconDefinition = null;
-
- /** Constant for click sensitivity when selecting nearest point */
- private static final int CLICK_SENSITIVITY = 10;
- /** Constant for pan distance from key presses */
- private static final int PAN_DISTANCE = 20;
- /** Constant for pan distance from autopan */
- private static final int AUTOPAN_DISTANCE = 75;
-
- // Colours
- private static final Color COLOR_MESSAGES = Color.GRAY;
-
- // Drawing modes
- private static final int MODE_DEFAULT = 0;
- private static final int MODE_ZOOM_RECT = 1;
- private static final int MODE_DRAW_POINTS_START = 2;
- private static final int MODE_DRAW_POINTS_CONT = 3;
- private static final int MODE_DRAG_POINT = 4;
- private static final int MODE_CREATE_MIDPOINT = 5;
- private static final int MODE_MARK_RECTANGLE = 6;
-
- private static final int INDEX_UNKNOWN = -2;
-
-
- /**
- * Constructor
- * @param inApp App object for callbacks
- * @param inTrackInfo track info object
- */
- public MapCanvas(App inApp, TrackInfo inTrackInfo)
- {
- _app = inApp;
- _trackInfo = inTrackInfo;
- _track = inTrackInfo.getTrack();
- _selection = inTrackInfo.getSelection();
- _midpoints = new MidpointData();
- _mapPosition = new MapPosition();
- addMouseListener(this);
- addMouseMotionListener(this);
- addMouseWheelListener(this);
- addKeyListener(this);
-
- // Make listener for changes to controls
- ItemListener itemListener = new ItemListener() {
- public void itemStateChanged(ItemEvent e)
- {
- _recalculate = true;
- repaint();
- }
- };
- // Make special listener for changes to map checkbox
- ItemListener mapCheckListener = new ItemListener() {
- public void itemStateChanged(ItemEvent e)
- {
- _tileManager.clearMemoryCaches();
- _recalculate = true;
- Config.setConfigBoolean(Config.KEY_SHOW_MAP, e.getStateChange() == ItemEvent.SELECTED);
- UpdateMessageBroker.informSubscribers(); // to let menu know
- // If the track is only partially visible and you turn the map off, make the track fully visible again
- if (e.getStateChange() == ItemEvent.DESELECTED && _transparencySlider.getValue() < 0) {
- _transparencySlider.setValue(0);
- }
- }
- };
- _topPanel = new OverlayPanel();
- _topPanel.setLayout(new FlowLayout());
- // Make slider for transparency
- _transparencySlider = new JSlider(-6, 6, 0);
- _transparencySlider.setPreferredSize(new Dimension(100, 20));
- _transparencySlider.setMajorTickSpacing(1);
- _transparencySlider.setSnapToTicks(true);
- _transparencySlider.setOpaque(false);
- _transparencySlider.setValue(0);
- _transparencySlider.addChangeListener(new ChangeListener() {
- public void stateChanged(ChangeEvent e)
- {
- int val = _transparencySlider.getValue();
- if (val == 1 || val == -1)
- _transparencySlider.setValue(0);
- else {
- _recalculate = true;
- repaint();
- }
- }
- });
- _transparencySlider.setFocusable(false); // stop slider from stealing keyboard focus
- _topPanel.add(_transparencySlider);
- // Add checkbox button for enabling scale bar
- _scaleCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.SCALEBAR_BUTTON), true);
- _scaleCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.SCALEBAR_BUTTON_ON));
- _scaleCheckBox.setOpaque(false);
- _scaleCheckBox.setToolTipText(I18nManager.getText("menu.map.showscalebar"));
- _scaleCheckBox.addItemListener(new ItemListener() {
- public void itemStateChanged(ItemEvent e) {
- _scaleBar.setVisible(_scaleCheckBox.isSelected());
- }
- });
- _scaleCheckBox.setFocusable(false); // stop button from stealing keyboard focus
- _topPanel.add(_scaleCheckBox);
- // Add checkbox button for enabling maps or not
- _mapCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.MAP_BUTTON), false);
- _mapCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.MAP_BUTTON_ON));
- _mapCheckBox.setOpaque(false);
- _mapCheckBox.setToolTipText(I18nManager.getText("menu.map.showmap"));
- _mapCheckBox.addItemListener(mapCheckListener);
- _mapCheckBox.setFocusable(false); // stop button from stealing keyboard focus
- _topPanel.add(_mapCheckBox);
- // Add checkbox button for enabling autopan or not
- _autopanCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.AUTOPAN_BUTTON), true);
- _autopanCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.AUTOPAN_BUTTON_ON));
- _autopanCheckBox.setOpaque(false);
- _autopanCheckBox.setToolTipText(I18nManager.getText("menu.map.autopan"));
- _autopanCheckBox.addItemListener(itemListener);
- _autopanCheckBox.setFocusable(false); // stop button from stealing keyboard focus
- _topPanel.add(_autopanCheckBox);
- // Add checkbox button for connecting points or not
- _connectCheckBox = new MultiStateCheckBox(4);
- _connectCheckBox.setIcon(0, IconManager.getImageIcon(IconManager.POINTS_WITH_ARROWS_BUTTON));
- _connectCheckBox.setIcon(1, IconManager.getImageIcon(IconManager.POINTS_HIDDEN_BUTTON));
- _connectCheckBox.setIcon(2, IconManager.getImageIcon(IconManager.POINTS_CONNECTED_BUTTON));
- _connectCheckBox.setIcon(3, IconManager.getImageIcon(IconManager.POINTS_DISCONNECTED_BUTTON));
- _connectCheckBox.setCurrentState(0);
- _connectCheckBox.setOpaque(false);
- _connectCheckBox.setToolTipText(I18nManager.getText("menu.map.connect"));
- _connectCheckBox.addItemListener(itemListener);
- _connectCheckBox.setFocusable(false); // stop button from stealing keyboard focus
- _topPanel.add(_connectCheckBox);
-
- // Add checkbox button for edit mode or not
- _editmodeCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.EDIT_MODE_BUTTON), false);
- _editmodeCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.EDIT_MODE_BUTTON_ON));
- _editmodeCheckBox.setOpaque(false);
- _editmodeCheckBox.setToolTipText(I18nManager.getText("menu.map.editmode"));
- _editmodeCheckBox.addItemListener(itemListener);
- _editmodeCheckBox.setFocusable(false); // stop button from stealing keyboard focus
- _topPanel.add(_editmodeCheckBox);
-
- // Add zoom in, zoom out buttons
- _sidePanel = new OverlayPanel();
- _sidePanel.setLayout(new BoxLayout(_sidePanel, BoxLayout.Y_AXIS));
- JButton zoomInButton = new JButton(IconManager.getImageIcon(IconManager.ZOOM_IN_BUTTON));
- zoomInButton.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
- zoomInButton.setContentAreaFilled(false);
- zoomInButton.setToolTipText(I18nManager.getText("menu.map.zoomin"));
- zoomInButton.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- zoomIn();
- }
- });
- zoomInButton.setFocusable(false); // stop button from stealing keyboard focus
- _sidePanel.add(zoomInButton);
- JButton zoomOutButton = new JButton(IconManager.getImageIcon(IconManager.ZOOM_OUT_BUTTON));
- zoomOutButton.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
- zoomOutButton.setContentAreaFilled(false);
- zoomOutButton.setToolTipText(I18nManager.getText("menu.map.zoomout"));
- zoomOutButton.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- zoomOut();
- }
- });
- zoomOutButton.setFocusable(false); // stop button from stealing keyboard focus
- _sidePanel.add(zoomOutButton);
-
- // Bottom panel for scale bar
- _scaleBar = new ScaleBar();
-
- // add control panels to this one
- setLayout(new BorderLayout());
- _topPanel.setVisible(false);
- _sidePanel.setVisible(false);
- add(_topPanel, BorderLayout.NORTH);
- add(_sidePanel, BorderLayout.WEST);
- add(_scaleBar, BorderLayout.SOUTH);
- // Make popup menu
- makePopup();
- // Get currently selected map from Config, pass to MapTileManager
- _tileManager.setMapSource(Config.getConfigInt(Config.KEY_MAPSOURCE_INDEX));
- // Update display settings
- dataUpdated(MAPSERVER_CHANGED);
- }
-
-
- /**
- * Make the popup menu for right-clicking the map
- */
- private void makePopup()
- {
- _popup = new JPopupMenu();
- JMenuItem zoomInItem = new JMenuItem(I18nManager.getText("menu.map.zoomin"));
- zoomInItem.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- panMap((_popupMenuX - getWidth()/2)/2, (_popupMenuY - getHeight()/2)/2);
- zoomIn();
- }});
- _popup.add(zoomInItem);
- JMenuItem zoomOutItem = new JMenuItem(I18nManager.getText("menu.map.zoomout"));
- zoomOutItem.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- panMap(-(_popupMenuX - getWidth()/2), -(_popupMenuY - getHeight()/2));
- zoomOut();
- }});
- _popup.add(zoomOutItem);
- JMenuItem zoomFullItem = new JMenuItem(I18nManager.getText("menu.map.zoomfull"));
- zoomFullItem.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- zoomToFit();
- _recalculate = true;
- repaint();
- }});
- _popup.add(zoomFullItem);
- _popup.addSeparator();
- // Set background
- JMenuItem setMapBgItem = new JMenuItem(
- I18nManager.getText(FunctionLibrary.FUNCTION_SET_MAP_BG.getNameKey()));
- setMapBgItem.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- FunctionLibrary.FUNCTION_SET_MAP_BG.begin();
- }});
- _popup.add(setMapBgItem);
- // new point option
- JMenuItem newPointItem = new JMenuItem(I18nManager.getText("menu.map.newpoint"));
- newPointItem.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- _app.createPoint(createPointFromClick(_popupMenuX, _popupMenuY));
- }});
- _popup.add(newPointItem);
- // draw point series
- JMenuItem drawPointsItem = new JMenuItem(I18nManager.getText("menu.map.drawpoints"));
- drawPointsItem.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- _drawMode = MODE_DRAW_POINTS_START;
- }
- });
- _popup.add(drawPointsItem);
- }
-
-
- /**
- * Zoom to fit the current data area
- */
- private void zoomToFit()
- {
- _latRange = _track.getLatRange();
- _lonRange = _track.getLonRange();
- _xRange = new DoubleRange(MapUtils.getXFromLongitude(_lonRange.getMinimum()),
- MapUtils.getXFromLongitude(_lonRange.getMaximum()));
- _yRange = new DoubleRange(MapUtils.getYFromLatitude(_latRange.getMinimum()),
- MapUtils.getYFromLatitude(_latRange.getMaximum()));
- _mapPosition.zoomToXY(_xRange.getMinimum(), _xRange.getMaximum(), _yRange.getMinimum(), _yRange.getMaximum(),
- getWidth(), getHeight());
- }
-
-
- /**
- * Paint method
- * @see java.awt.Canvas#paint(java.awt.Graphics)
- */
- public void paint(Graphics inG)
- {
- super.paint(inG);
- if (_mapImage != null && (_mapImage.getWidth() != getWidth() || _mapImage.getHeight() != getHeight())) {
- _mapImage = null;
- }
- if (_track.getNumPoints() > 0)
- {
- // Check for autopan if enabled / necessary
- if (_autopanCheckBox.isSelected())
- {
- int selectedPoint = _selection.getCurrentPointIndex();
- if (selectedPoint >= 0 && _dragFromX == -1 && selectedPoint != _prevSelectedPoint)
- {
- autopanToPoint(selectedPoint);
- }
- _prevSelectedPoint = selectedPoint;
- }
-
- // Draw the map contents if necessary
- if (_mapImage == null || _recalculate)
- {
- paintMapContents();
- _scaleBar.updateScale(_mapPosition.getZoom(), _mapPosition.getYFromPixels(0, 0));
- }
- // Draw the prepared image onto the panel
- if (_mapImage != null) {
- inG.drawImage(_mapImage, 0, 0, getWidth(), getHeight(), null);
- }
-
- switch (_drawMode)
- {
- case MODE_DRAG_POINT:
- drawDragLines(inG, _selection.getCurrentPointIndex()-1, _selection.getCurrentPointIndex()+1);
- break;
-
- case MODE_CREATE_MIDPOINT:
- drawDragLines(inG, _clickedPoint-1, _clickedPoint);
- break;
-
- case MODE_ZOOM_RECT:
- case MODE_MARK_RECTANGLE:
- if (_dragFromX != -1 && _dragFromY != -1)
- {
- // Draw the zoom rectangle if necessary
- inG.setColor(Color.RED);
- inG.drawLine(_dragFromX, _dragFromY, _dragFromX, _dragToY);
- inG.drawLine(_dragFromX, _dragFromY, _dragToX, _dragFromY);
- inG.drawLine(_dragToX, _dragFromY, _dragToX, _dragToY);
- inG.drawLine(_dragFromX, _dragToY, _dragToX, _dragToY);
- }
- break;
-
- case MODE_DRAW_POINTS_CONT:
- // draw line to mouse position to show drawing mode
- inG.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_POINT));
- int prevIndex = _track.getNumPoints()-1;
- int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(prevIndex));
- int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(prevIndex));
- inG.drawLine(px, py, _dragToX, _dragToY);
- break;
- }
- }
- else
- {
- inG.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_BACKGROUND));
- inG.fillRect(0, 0, getWidth(), getHeight());
- inG.setColor(COLOR_MESSAGES);
- inG.drawString(I18nManager.getText("display.nodata"), 50, getHeight()/2);
- _scaleBar.updateScale(-1, 0);
- }
- // Draw slider etc on top
- paintChildren(inG);
- }
-
- /**
- * @return true if the currently selected point is visible, false if off-screen or nothing selected
- */
- private boolean isCurrentPointVisible()
- {
- if (_trackInfo.getCurrentPoint() == null) {return false;}
- final int selectedPoint = _selection.getCurrentPointIndex();
- final int xFromCentre = Math.abs(_mapPosition.getXFromCentre(_track.getX(selectedPoint)));
- if (xFromCentre > (getWidth()/2)) {return false;}
- final int yFromCentre = Math.abs(_mapPosition.getYFromCentre(_track.getY(selectedPoint)));
- return yFromCentre < (getHeight()/2);
- }
-
- /**
- * If the specified point isn't visible, pan to it
- * @param inIndex index of selected point
- */
- private void autopanToPoint(int inIndex)
- {
- int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(inIndex));
- int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(inIndex));
- int panX = 0;
- int panY = 0;
- if (px < PAN_DISTANCE) {
- panX = px - AUTOPAN_DISTANCE;
- }
- else if (px > (getWidth()-PAN_DISTANCE)) {
- panX = AUTOPAN_DISTANCE + px - getWidth();
- }
- if (py < (2*PAN_DISTANCE)) {
- panY = py - AUTOPAN_DISTANCE;
- }
- if (py > (getHeight()-PAN_DISTANCE)) {
- panY = AUTOPAN_DISTANCE + py - getHeight();
- }
- if (panX != 0 || panY != 0) {
- _mapPosition.pan(panX, panY);
- }
- }
-
- /**
- * Paint the map tiles and the points on to the _mapImage
- */
- private void paintMapContents()
- {
- if (_mapImage == null || _mapImage.getWidth() != getWidth() || _mapImage.getHeight() != getHeight())
- {
- _mapImage = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_RGB);
- }
-
- Graphics g = _mapImage.getGraphics();
- // Set antialiasing according to config
- ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING,
- Config.getConfigBoolean(Config.KEY_ANTIALIAS) ? RenderingHints.VALUE_ANTIALIAS_ON : RenderingHints.VALUE_ANTIALIAS_OFF);
- // Clear to background
- g.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_BACKGROUND));
- g.fillRect(0, 0, getWidth(), getHeight());
-
- // Check whether maps are on or not
- final boolean showMap = Config.getConfigBoolean(Config.KEY_SHOW_MAP);
- _mapCheckBox.setSelected(showMap);
- // Check whether disk cache is on or not
- final boolean usingDiskCache = Config.getConfigString(Config.KEY_DISK_CACHE) != null;
- // Show tip to recommend setting up a cache
- if (showMap && !usingDiskCache && Config.getConfigBoolean(Config.KEY_ONLINE_MODE))
- {
- SwingUtilities.invokeLater(new Runnable() {
- public void run() {
- _app.showTip(TipManager.Tip_UseAMapCache);
- }
- });
- }
-
- // reset error message
- if (!showMap) {_shownOsmErrorAlready = false;}
- _recalculate = false;
- // Only get map tiles if selected
- if (showMap)
- {
- // init tile cacher
- _tileManager.centreMap(_mapPosition.getZoom(), _mapPosition.getCentreTileX(), _mapPosition.getCentreTileY());
-
- boolean loadingFailed = false;
- if (_mapImage == null) return;
-
- if (_tileManager.isOverzoomed())
- {
- // display overzoom message
- g.setColor(COLOR_MESSAGES);
- g.drawString(I18nManager.getText("map.overzoom"), 50, getHeight()/2);
- }
- else
- {
- int numLayers = _tileManager.getNumLayers();
- // Loop over tiles drawing each one
- int[] tileIndices = _mapPosition.getTileIndices(getWidth(), getHeight());
- int[] pixelOffsets = _mapPosition.getDisplayOffsets(getWidth(), getHeight());
- for (int tileX = tileIndices[0]; tileX <= tileIndices[1] && !loadingFailed; tileX++)
- {
- int x = (tileX - tileIndices[0]) * 256 - pixelOffsets[0];
- for (int tileY = tileIndices[2]; tileY <= tileIndices[3]; tileY++)
- {
- int y = (tileY - tileIndices[2]) * 256 - pixelOffsets[1];
- // Loop over layers
- for (int l=0; l<numLayers; l++)
- {
- Image image = _tileManager.getTile(l, tileX, tileY, true);
- if (image != null) {
- g.drawImage(image, x, y, 256, 256, null);
- }
- }
- }
- }
-
- // Make maps brighter / fainter according to slider
- final int brightnessIndex = Math.max(1, _transparencySlider.getValue()) - 1;
- if (brightnessIndex > 0)
- {
- final int[] alphas = {0, 40, 80, 120, 160, 210};
- Color bgColor = Config.getColourScheme().getColour(ColourScheme.IDX_BACKGROUND);
- bgColor = new Color(bgColor.getRed(), bgColor.getGreen(), bgColor.getBlue(), alphas[brightnessIndex]);
- g.setColor(bgColor);
- g.fillRect(0, 0, getWidth(), getHeight());
- }
- }
- }
-
- // Work out track opacity according to slider
- final float[] opacities = {1.0f, 0.75f, 0.5f, 0.3f, 0.15f, 0.0f};
- float trackOpacity = 1.0f;
- if (_transparencySlider.getValue() < 0) {
- trackOpacity = opacities[-1 - _transparencySlider.getValue()];
- }
-
- if (trackOpacity > 0.0f)
- {
- // Paint the track points on top
- boolean pointsPainted = true;
- try
- {
- if (trackOpacity > 0.9f)
- {
- // Track is fully opaque, just draw it directly
- pointsPainted = paintPoints(g);
- _trackImage = null;
- }
- else
- {
- // Track is partly transparent, so use a separate BufferedImage
- if (_trackImage == null || _trackImage.getWidth() != getWidth() || _trackImage.getHeight() != getHeight())
- {
- _trackImage = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
- }
- // Clear to transparent
- Graphics2D gTrack = _trackImage.createGraphics();
- gTrack.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR, 0.0f));
- gTrack.fillRect(0, 0, getWidth(), getHeight());
- gTrack.setPaintMode();
- // Draw the track onto this separate image
- pointsPainted = paintPoints(gTrack);
- ((Graphics2D) g).setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, trackOpacity));
- g.drawImage(_trackImage, 0, 0, null);
- }
- }
- catch (NullPointerException npe) {} // ignore, probably due to data being changed during drawing
- catch (ArrayIndexOutOfBoundsException obe) {} // also ignore
-
- // Zoom to fit if no points found
- if (!pointsPainted && _checkBounds)
- {
- zoomToFit();
- _recalculate = true;
- repaint();
- }
- }
-
- // free g
- g.dispose();
-
- _checkBounds = false;
- // enable / disable transparency slider
- _transparencySlider.setEnabled(showMap);
- }
-
-
- /**
- * Paint the points using the given graphics object
- * @param inG Graphics object to use for painting
- * @return true if any points or lines painted
- */
- private boolean paintPoints(Graphics inG)
- {
- // Set up colours
- final ColourScheme cs = Config.getColourScheme();
- final Color pointColour = cs.getColour(ColourScheme.IDX_POINT);
- final Color rangeColour = cs.getColour(ColourScheme.IDX_SELECTION);
- final Color currentColour = cs.getColour(ColourScheme.IDX_PRIMARY);
- final Color secondColour = cs.getColour(ColourScheme.IDX_SECONDARY);
- final Color textColour = cs.getColour(ColourScheme.IDX_TEXT);
- final PointColourer pointColourer = _app.getPointColourer();
-
- final int winWidth = getWidth();
- final int winHeight = getHeight();
- final int halfWinWidth = winWidth / 2;
- final int halfWinHeight = winHeight / 2;
-
- final int numPoints = _track.getNumPoints();
- final int[] xPixels = new int[numPoints];
- final int[] yPixels = new int[numPoints];
-
- final int pointSeparationForArrowsSqd = 350;
- final int pointSeparation1dForArrows = (int) (Math.sqrt(pointSeparationForArrowsSqd) * 0.7);
-
- // try to set line width for painting
- if (inG instanceof Graphics2D)
- {
- int lineWidth = Config.getConfigInt(Config.KEY_LINE_WIDTH);
- if (lineWidth < 1 || lineWidth > 4) {lineWidth = 2;}
- ((Graphics2D) inG).setStroke(new BasicStroke(lineWidth));
- }
-
- boolean pointsPainted = false;
- // draw track points
- inG.setColor(pointColour);
- int prevX = -1, prevY = -1;
- final int connectState = _connectCheckBox.getCurrentState();
- final boolean drawLines = (connectState != 3); // 0, 1 or 2
- final boolean drawPoints = (connectState != 1); // 0, 2 or 3
- final boolean drawArrows = (connectState == 0); // 0
-
- boolean prevPointVisible = false, currPointVisible = false;
- boolean anyWaypoints = false;
- boolean isWaypoint = false;
- boolean drawnLastArrow = false; // avoid painting arrows on adjacent lines, looks too busy
- for (int i=0; i<numPoints; i++)
- {
- // Calculate pixel position of point from its x, y coordinates
- int px = halfWinWidth + _mapPosition.getXFromCentre(_track.getX(i));
- int py = halfWinHeight + _mapPosition.getYFromCentre(_track.getY(i));
- px = wrapLongitudeValue(px, winWidth, _mapPosition.getZoom());
- // Remember these calculated pixel values so they don't have to be recalculated
- xPixels[i] = px; yPixels[i] = py;
-
- currPointVisible = px >= 0 && px < winWidth && py >= 0 && py < winHeight;
- isWaypoint = _track.getPoint(i).isWaypoint();
- anyWaypoints = anyWaypoints || isWaypoint;
- if (!isWaypoint)
- {
- if (currPointVisible || (drawLines && prevPointVisible))
- {
- // For track points, work out which colour to use
- if (_track.getPoint(i).getDeleteFlag()) {
- inG.setColor(currentColour);
- }
- else if (pointColourer != null)
- { // use the point colourer if there is one
- Color trackColour = pointColourer.getColour(i);
- inG.setColor(trackColour);
- }
- else
- {
- inG.setColor(pointColour);
- }
-
- // Draw rectangle for track point if it's visible
- if (currPointVisible)
- {
- if (drawPoints) {
- inG.drawRect(px-2, py-2, 3, 3);
- }
- pointsPainted = true;
- }
- }
-
- // Connect track points if either of them are visible
- if (drawLines
- && (currPointVisible || prevPointVisible)
- && !(prevX == -1 && prevY == -1)
- && !_track.getPoint(i).getSegmentStart())
- {
- inG.drawLine(prevX, prevY, px, py);
- pointsPainted = true;
-
- // Now consider whether we need to draw an arrow as well
- if (drawArrows
- && !drawnLastArrow
- && (Math.abs(prevX-px) > pointSeparation1dForArrows || Math.abs(prevY-py) > pointSeparation1dForArrows))
- {
- final double pointSeparationSqd = (prevX-px) * (prevX-px) + (prevY-py) * (prevY-py);
- if (pointSeparationSqd > pointSeparationForArrowsSqd)
- {
- final double midX = (prevX + px) / 2;
- final double midY = (prevY + py) / 2;
- final boolean midPointVisible = midX >= 0 && midX < winWidth && midY >= 0 && midY < winHeight;
- if (midPointVisible)
- {
- final double alpha = Math.atan2(py - prevY, px - prevX);
- //System.out.println("Draw arrow from (" + prevX + "," + prevY + ") to (" + px + "," + py
- // + ") with angle" + (int) (alpha * 180/Math.PI));
- final double MID_TO_VERTEX = 3.0;
- final double arrowX = MID_TO_VERTEX * Math.cos(alpha);
- final double arrowY = MID_TO_VERTEX * Math.sin(alpha);
- final double vertexX = midX + arrowX;
- final double vertexY = midY + arrowY;
- inG.drawLine((int)(midX-arrowX-2*arrowY), (int)(midY-arrowY+2*arrowX), (int)vertexX, (int)vertexY);
- inG.drawLine((int)(midX-arrowX+2*arrowY), (int)(midY-arrowY-2*arrowX), (int)vertexX, (int)vertexY);
- }
- drawnLastArrow = midPointVisible;
- }
- }
- else
- {
- drawnLastArrow = false;
- }
- }
- prevX = px; prevY = py;
- }
- prevPointVisible = currPointVisible;
- }
-
- // Loop over points, just drawing blobs for waypoints
- inG.setColor(textColour);
- FontMetrics fm = inG.getFontMetrics();
- int nameHeight = fm.getHeight();
- if (anyWaypoints)
- {
- int numWaypoints = 0;
- for (int i=0; i<_track.getNumPoints(); i++)
- {
- if (_track.getPoint(i).isWaypoint())
- {
- int px = xPixels[i];
- int py = yPixels[i];
- if (px >= 0 && px < winWidth && py >= 0 && py < winHeight)
- {
- if (_waypointIconDefinition == null)
- {
- inG.fillRect(px-3, py-3, 6, 6);
- }
- else
- {
- ImageIcon icon = _waypointIconDefinition.getImageIcon();
- if (icon != null)
- {
- inG.drawImage(icon.getImage(), px-_waypointIconDefinition.getXOffset(),
- py-_waypointIconDefinition.getYOffset(), null);
- }
- }
- pointsPainted = true;
- numWaypoints++;
- }
- }
- }
- // Take more care with waypoint names if less than 100 are visible
- final int numNameSteps = (numWaypoints > 100 ? 1 : 4);
- final int numPointSteps = (numWaypoints > 1000 ? 2 : 1);
-
- // Loop over points again, now draw names for waypoints
- int[] nameXs = {0, 0, 0, 0};
- int[] nameYs = {0, 0, 0, 0};
- for (int i=0; i<_track.getNumPoints(); i += numPointSteps)
- {
- if (_track.getPoint(i).isWaypoint())
- {
- int px = xPixels[i];
- int py = yPixels[i];
- if (px >= 0 && px < winWidth && py >= 0 && py < winHeight)
- {
- // Figure out where to draw waypoint name so it doesn't obscure track
- String waypointName = _track.getPoint(i).getWaypointName();
- int nameWidth = fm.stringWidth(waypointName);
- boolean drawnName = false;
- // Make arrays for coordinates right left up down
- nameXs[0] = px + 2; nameXs[1] = px - nameWidth - 2;
- nameXs[2] = nameXs[3] = px - nameWidth/2;
- nameYs[0] = nameYs[1] = py + (nameHeight/2);
- nameYs[2] = py - 2; nameYs[3] = py + nameHeight + 2;
- for (int extraSpace = 0; extraSpace < numNameSteps && !drawnName; extraSpace++)
- {
- // Shift arrays for coordinates right left up down
- nameXs[0] += 3; nameXs[1] -= 3;
- nameYs[2] -= 3; nameYs[3] += 3;
- // Check each direction in turn right left up down
- for (int a=0; a<4; a++)
- {
- if (nameXs[a] > 0 && (nameXs[a] + nameWidth) < winWidth
- && nameYs[a] < winHeight && (nameYs[a] - nameHeight) > 0
- && !MapUtils.overlapsPoints(_mapImage, nameXs[a], nameYs[a], nameWidth, nameHeight, textColour))
- {
- // Found a rectangle to fit - draw name here and quit
- inG.drawString(waypointName, nameXs[a], nameYs[a]);
- drawnName = true;
- break;
- }
- }
- }
- }
- }
- }
- }
- // Loop over points, drawing blobs for photo / audio points
- inG.setColor(secondColour);
- for (int i=0; i<_track.getNumPoints(); i++)
- {
- if (_track.getPoint(i).hasMedia())
- {
- int px = xPixels[i];
- int py = yPixels[i];
- if (px >= 0 && px < winWidth && py >= 0 && py < winHeight)
- {
- inG.drawRect(px-1, py-1, 2, 2);
- inG.drawRect(px-2, py-2, 4, 4);
- pointsPainted = true;
- }
- }
- }
-
- // Draw selected range
- if (_selection.hasRangeSelected())
- {
- inG.setColor(rangeColour);
- for (int i=_selection.getStart(); i<=_selection.getEnd(); i++)
- {
- int px = xPixels[i];
- int py = yPixels[i];
- inG.drawRect(px-1, py-1, 2, 2);
- }
- }
-
- // Draw crosshairs at selected point
- int selectedPoint = _selection.getCurrentPointIndex();
- if (selectedPoint >= 0)
- {
- int px = xPixels[selectedPoint];
- int py = yPixels[selectedPoint];
- inG.setColor(currentColour);
- // crosshairs
- inG.drawLine(px, 0, px, winHeight);
- inG.drawLine(0, py, winWidth, py);
- }
- // Return the number of points painted
- return pointsPainted;
- }
-
- /**
- * Wrap the given pixel value if appropriate and possible
- * @param inPx Pixel x coordinate
- * @param inWinWidth window width in pixels
- * @param inZoom zoom level
- * @return modified pixel x coordinate
- */
- private static int wrapLongitudeValue(int inPx, int inWinWidth, int inZoom)
- {
- if (inPx > inWinWidth)
- {
- // Pixel is too far right, could we wrap it back onto the screen?
- int px = inPx;
- while (px > inWinWidth) {
- px -= (256 << inZoom);
- }
- if (px >= 0) {
- return px; // successfully wrapped back onto the screen
- }
- }
- else if (inPx < 0)
- {
- // Pixel is too far left, could we wrap it back onto the screen?
- int px = inPx;
- while (px < 0) {
- px += (256 << inZoom);
- }
- if (px < inWinWidth) {
- return px; // successfully wrapped back onto the screen
- }
- }
- // Either it's already on the screen or couldn't be wrapped
- return inPx;
- }
-
- /**
- * Draw the lines while dragging a point
- * @param inG graphics object
- * @param inPrevIndex index of point to draw from
- * @param inNextIndex index of point to draw to
- */
- private void drawDragLines(Graphics inG, int inPrevIndex, int inNextIndex)
- {
- inG.setColor(Config.getColourScheme().getColour(ColourScheme.IDX_POINT));
- // line from prev point to cursor
- if (inPrevIndex > -1 && !_track.getPoint(inPrevIndex+1).getSegmentStart())
- {
- final int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(inPrevIndex));
- final int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(inPrevIndex));
- inG.drawLine(px, py, _dragToX, _dragToY);
- }
- if (inNextIndex < _track.getNumPoints() && !_track.getPoint(inNextIndex).getSegmentStart())
- {
- final int px = getWidth() / 2 + _mapPosition.getXFromCentre(_track.getX(inNextIndex));
- final int py = getHeight() / 2 + _mapPosition.getYFromCentre(_track.getY(inNextIndex));
- inG.drawLine(px, py, _dragToX, _dragToY);
- }
- }
-
- /**
- * Inform that tiles have been updated and the map can be repainted
- * @param inIsOk true if data loaded ok, false for error
- */
- public void tilesUpdated(boolean inIsOk)
- {
- synchronized(this)
- {
- // Show message if loading failed (but not too many times)
- if (!inIsOk && !_shownOsmErrorAlready && _mapCheckBox.isSelected())
- {
- _shownOsmErrorAlready = true;
- // use separate thread to show message about failing to load osm images
- new Thread(new Runnable() {
- public void run() {
- try {Thread.sleep(500);} catch (InterruptedException ie) {}
- _app.showErrorMessage("error.osmimage.dialogtitle", "error.osmimage.failed");
- }
- }).start();
- }
- _recalculate = true;
- repaint();
- }
- }
-
- /**
- * Zoom out, if not already at minimum zoom
- */
- public void zoomOut()
- {
- _mapPosition.zoomOut();
- _recalculate = true;
- repaint();
- }
-
- /**
- * Zoom in, if not already at maximum zoom
- */
- public void zoomIn()
- {
- // See if selected point is currently visible, if so (and autopan on) then autopan after zoom to keep it visible
- boolean wasVisible = _autopanCheckBox.isSelected() && isCurrentPointVisible();
- _mapPosition.zoomIn();
- if (wasVisible && !isCurrentPointVisible()) {
- autopanToPoint(_selection.getCurrentPointIndex());
- }
- _recalculate = true;
- repaint();
- }
-
- /**
- * Pan map
- * @param inDeltaX x shift
- * @param inDeltaY y shift
- */
- public void panMap(int inDeltaX, int inDeltaY)
- {
- _mapPosition.pan(inDeltaX, inDeltaY);
- _recalculate = true;
- repaint();
- }
-
- /**
- * Create a DataPoint object from the given click coordinates
- * @param inX x coordinate of click
- * @param inY y coordinate of click
- * @return DataPoint with given coordinates and no altitude
- */
- private DataPoint createPointFromClick(int inX, int inY)
- {
- double lat = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(inY, getHeight()));
- double lon = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(inX, getWidth()));
- return new DataPoint(new Latitude(lat, Coordinate.FORMAT_NONE),
- new Longitude(lon, Coordinate.FORMAT_NONE), null);
- }
-
- /**
- * Move a DataPoint object to the given mouse coordinates
- * @param startX start x coordinate of mouse
- * @param startY start y coordinate of mouse
- * @param endX end x coordinate of mouse
- * @param endY end y coordinate of mouse
- */
- private void movePointToMouse(int startX, int startY, int endX, int endY )
- {
- double lat1 = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(startY, getHeight()));
- double lon1 = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(startX, getWidth()));
- double lat_delta = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(endY, getHeight())) - lat1;
- double lon_delta = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(endX, getWidth())) - lon1;
-
- DataPoint point = _trackInfo.getCurrentPoint();
- if (point == null) {
- return;
- }
-
- // Make lists for edit and undo, and add each changed field in turn
- FieldEditList editList = new FieldEditList();
- FieldEditList undoList = new FieldEditList();
-
- // Check field list
- FieldList fieldList = _track.getFieldList();
- int numFields = fieldList.getNumFields();
- for (int i=0; i<numFields; i++)
- {
- Field field = fieldList.getField(i);
- if (field == Field.LATITUDE) {
- editList.addEdit(new FieldEdit(field, Double.toString(point.getLatitude().getDouble() + lat_delta)));
- undoList.addEdit(new FieldEdit(field, point.getFieldValue(Field.LATITUDE)));
- }
- else if (field == Field.LONGITUDE) {
- editList.addEdit(new FieldEdit(field, Double.toString(point.getLongitude().getDouble() + lon_delta)));
- undoList.addEdit(new FieldEdit(field, point.getFieldValue(Field.LONGITUDE)));
- }
- }
- _app.completePointEdit(editList, undoList);
- }
-
-
- /**
- * @see javax.swing.JComponent#getMinimumSize()
- */
- public Dimension getMinimumSize()
- {
- final Dimension minSize = new Dimension(512, 300);
- return minSize;
- }
-
- /**
- * @see javax.swing.JComponent#getPreferredSize()
- */
- public Dimension getPreferredSize()
- {
- return getMinimumSize();
- }
-
-
- /**
- * Respond to mouse click events
- * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
- */
- public void mouseClicked(MouseEvent inE)
- {
- if (_track != null && _track.getNumPoints() > 0)
- {
- // select point if it's a left-click
- if (!inE.isMetaDown())
- {
- if (inE.getClickCount() == 1)
- {
- // single click
- if (_drawMode == MODE_DEFAULT)
- {
- int pointIndex = _clickedPoint;
- if (pointIndex == INDEX_UNKNOWN)
- {
- // index hasn't been calculated yet
- pointIndex = _track.getNearestPointIndex(
- _mapPosition.getXFromPixels(inE.getX(), getWidth()),
- _mapPosition.getYFromPixels(inE.getY(), getHeight()),
- _mapPosition.getBoundsFromPixels(CLICK_SENSITIVITY), false);
- }
- // Extend selection for shift-click
- if (inE.isShiftDown()) {
- _trackInfo.extendSelection(pointIndex);
- }
- else {
- _trackInfo.selectPoint(pointIndex);
- }
- }
- else if (_drawMode == MODE_DRAW_POINTS_START)
- {
- _app.createPoint(createPointFromClick(inE.getX(), inE.getY()));
- _dragToX = inE.getX();
- _dragToY = inE.getY();
- _drawMode = MODE_DRAW_POINTS_CONT;
- }
- else if (_drawMode == MODE_DRAW_POINTS_CONT)
- {
- DataPoint point = createPointFromClick(inE.getX(), inE.getY());
- _app.createPoint(point, false); // not a new segment
- }
- }
- else if (inE.getClickCount() == 2)
- {
- // double click
- if (_drawMode == MODE_DEFAULT) {
- panMap(inE.getX() - getWidth()/2, inE.getY() - getHeight()/2);
- zoomIn();
- }
- else if (_drawMode == MODE_DRAW_POINTS_START || _drawMode == MODE_DRAW_POINTS_CONT) {
- _drawMode = MODE_DEFAULT;
- }
- }
- }
- else
- {
- // show the popup menu for right-clicks
- _popupMenuX = inE.getX();
- _popupMenuY = inE.getY();
- _popup.show(this, _popupMenuX, _popupMenuY);
- }
- }
- // Reset app mode
- _app.setCurrentMode(App.AppMode.NORMAL);
- if (_drawMode == MODE_MARK_RECTANGLE) _drawMode = MODE_DEFAULT;
- }
-
- /**
- * Ignore mouse enter events
- * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
- */
- public void mouseEntered(MouseEvent inE)
- {
- // ignore
- }
-
- /**
- * Ignore mouse exited events
- * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
- */
- public void mouseExited(MouseEvent inE)
- {
- // ignore
- }
-
- /**
- * React to mouse pressed events to initiate a point drag
- * @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
- */
- public void mousePressed(MouseEvent inE)
- {
- _clickedPoint = INDEX_UNKNOWN;
- if (_track == null || _track.getNumPoints() <= 0)
- return;
- if (!inE.isMetaDown())
- {
- // Left mouse drag - check if point is near; if so select it for dragging
- if (_drawMode == MODE_DEFAULT)
- {
- /* Drag points if edit mode is enabled OR ALT is pressed */
- if (_editmodeCheckBox.isSelected() || inE.isAltDown() || inE.isAltGraphDown())
- {
- final double clickX = _mapPosition.getXFromPixels(inE.getX(), getWidth());
- final double clickY = _mapPosition.getYFromPixels(inE.getY(), getHeight());
- final double clickSens = _mapPosition.getBoundsFromPixels(CLICK_SENSITIVITY);
- _clickedPoint = _track.getNearestPointIndex(clickX, clickY, clickSens, false);
-
- if (_clickedPoint >= 0)
- {
- // TODO: maybe use another color of the cross or remove the cross while dragging???
-
- _trackInfo.selectPoint(_clickedPoint);
- if (_trackInfo.getCurrentPoint() != null)
- {
- _drawMode = MODE_DRAG_POINT;
- _dragFromX = _dragToX = inE.getX();
- _dragFromY = _dragToY = inE.getY();
- }
- }
- else
- {
- // Not a click on a point, so check half-way between two (connected) trackpoints
- int midpointIndex = _midpoints.getNearestPointIndex(clickX, clickY, clickSens);
- if (midpointIndex > 0)
- {
- _drawMode = MODE_CREATE_MIDPOINT;
- _clickedPoint = midpointIndex;
- _dragFromX = _dragToX = inE.getX();
- _dragFromY = _dragToY = inE.getY();
- }
- }
- }
- }
- }
- // else right-press ignored
- }
-
- /**
- * Respond to mouse released events
- * @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
- */
- public void mouseReleased(MouseEvent inE)
- {
- _recalculate = true;
-
- if (_drawMode == MODE_DRAG_POINT)
- {
- if (Math.abs(_dragToX - _dragFromX) > 2
- || Math.abs(_dragToY - _dragFromY) > 2)
- {
- movePointToMouse(_dragFromX, _dragFromY, _dragToX, _dragToY );
- }
- _drawMode = MODE_DEFAULT;
- }
- else if (_drawMode == MODE_CREATE_MIDPOINT)
- {
- _drawMode = MODE_DEFAULT;
- _app.createPoint(createPointFromClick(_dragToX, _dragToY), _clickedPoint);
- }
- else if (_drawMode == MODE_ZOOM_RECT)
- {
- if (Math.abs(_dragToX - _dragFromX) > 20
- && Math.abs(_dragToY - _dragFromY) > 20)
- {
- _mapPosition.zoomToPixels(_dragFromX, _dragToX, _dragFromY, _dragToY, getWidth(), getHeight());
- }
- _drawMode = MODE_DEFAULT;
- }
- else if (_drawMode == MODE_MARK_RECTANGLE)
- {
- // Reset app mode
- _app.setCurrentMode(App.AppMode.NORMAL);
- _drawMode = MODE_DEFAULT;
- // Call a function to mark the points
- MarkPointsInRectangleFunction marker = (MarkPointsInRectangleFunction) FunctionLibrary.FUNCTION_MARK_IN_RECTANGLE;
- double lon1 = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(_dragFromX, getWidth()));
- double lat1 = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(_dragFromY, getHeight()));
- double lon2 = MapUtils.getLongitudeFromX(_mapPosition.getXFromPixels(_dragToX, getWidth()));
- double lat2 = MapUtils.getLatitudeFromY(_mapPosition.getYFromPixels(_dragToY, getHeight()));
- // Invalidate rectangle if pixel coords are (-1,-1)
- if (_dragFromX < 0 || _dragFromY < 0) {
- lon1 = lon2;
- lat1 = lat2;
- }
- marker.setRectCoords(lon1, lat1, lon2, lat2);
- marker.begin();
- }
- _dragFromX = _dragFromY = -1;
- repaint();
- }
-
- /**
- * Respond to mouse drag events
- * @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
- */
- public void mouseDragged(MouseEvent inE)
- {
- // Note: One would expect inE.isMetaDown() to give information about whether this is a
- // drag with the right mouse button or not - but since java 9 this is buggy,
- // so we use the beautifully-named getModifiersEx() instead.
- // And logically BUTTON3 refers to the secondary mouse button, not the tertiary one!
- final boolean isRightDrag = (inE.getModifiersEx() & InputEvent.BUTTON3_DOWN_MASK) > 0;
- if (isRightDrag)
- {
- // Right-click and drag - update rectangle
- _drawMode = MODE_ZOOM_RECT;
- if (_dragFromX == -1) {
- _dragFromX = inE.getX();
- _dragFromY = inE.getY();
- }
- _dragToX = inE.getX();
- _dragToY = inE.getY();
- repaint();
- }
- else
- {
- // Left mouse drag - decide whether to drag the point, drag the
- // marking rectangle or pan the map
- if (_drawMode == MODE_DRAG_POINT || _drawMode == MODE_CREATE_MIDPOINT)
- {
- // move point
- _dragToX = inE.getX();
- _dragToY = inE.getY();
- _recalculate = true;
- repaint();
- }
- else if (_drawMode == MODE_MARK_RECTANGLE)
- {
- // draw a rectangle for marking points
- if (_dragFromX == -1) {
- _dragFromX = inE.getX();
- _dragFromY = inE.getY();
- }
- _dragToX = inE.getX();
- _dragToY = inE.getY();
- repaint();
- }
- else
- {
- // regular left-drag pans map by appropriate amount
- if (_dragFromX != -1)
- {
- panMap(_dragFromX - inE.getX(), _dragFromY - inE.getY());
- }
- _dragFromX = _dragToX = inE.getX();
- _dragFromY = _dragToY = inE.getY();
- }
- }
- }
-
- /**
- * Respond to mouse move events without button pressed
- * @param inEvent ignored
- */
- public void mouseMoved(MouseEvent inEvent)
- {
- boolean useCrosshairs = false;
- boolean useResize = false;
- // Ignore unless we're drawing points
- if (_drawMode == MODE_DRAW_POINTS_CONT)
- {
- _dragToX = inEvent.getX();
- _dragToY = inEvent.getY();
- repaint();
- }
- else if (_drawMode == MODE_MARK_RECTANGLE) {
- useResize = true;
- }
- else if (_editmodeCheckBox.isSelected() || inEvent.isAltDown() || inEvent.isAltGraphDown())
- {
- // Try to find a point or a midpoint at this location, and if there is one
- // then change the cursor to crosshairs
- final double clickX = _mapPosition.getXFromPixels(inEvent.getX(), getWidth());
- final double clickY = _mapPosition.getYFromPixels(inEvent.getY(), getHeight());
- final double clickSens = _mapPosition.getBoundsFromPixels(CLICK_SENSITIVITY);
- useCrosshairs = (_track.getNearestPointIndex(clickX, clickY, clickSens, false) >= 0
- || _midpoints.getNearestPointIndex(clickX, clickY, clickSens) >= 0
- );
- }
- if (useCrosshairs && !isCursorSet()) {
- setCursor(Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR));
- }
- else if (useResize && !isCursorSet()) {
- setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));
- }
- else if (!useCrosshairs && !useResize && isCursorSet()) {
- setCursor(null);
- }
- }
-
- /**
- * Respond to status bar message from broker
- * @param inMessage message, ignored
- */
- public void actionCompleted(String inMessage)
- {
- // ignore
- }
-
- /**
- * Respond to data updated message from broker
- * @param inUpdateType type of update
- */
- public void dataUpdated(byte inUpdateType)
- {
- _recalculate = true;
- if ((inUpdateType & DataSubscriber.DATA_ADDED_OR_REMOVED) > 0) {
- _checkBounds = true;
- }
- if ((inUpdateType & DataSubscriber.MAPSERVER_CHANGED) > 0)
- {
- // Get the selected map source index and pass to tile manager
- _tileManager.setMapSource(Config.getConfigInt(Config.KEY_MAPSOURCE_INDEX));
- final int wpType = Config.getConfigInt(Config.KEY_WAYPOINT_ICONS);
- if (wpType == WpIconLibrary.WAYPT_DEFAULT)
- {
- _waypointIconDefinition = null;
- }
- else
- {
- final int wpSize = Config.getConfigInt(Config.KEY_WAYPOINT_ICON_SIZE);
- _waypointIconDefinition = WpIconLibrary.getIconDefinition(wpType, wpSize);
- }
- }
- if ((inUpdateType & (DataSubscriber.DATA_ADDED_OR_REMOVED + DataSubscriber.DATA_EDITED)) > 0) {
- _midpoints.updateData(_track);
- }
- // See if rect mode has been activated
- if (_app.getCurrentMode() == App.AppMode.DRAWRECT)
- {
- _drawMode = MODE_MARK_RECTANGLE;
- if (!isCursorSet()) {
- setCursor(Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR));
- }
- }
- repaint();
- // enable or disable components
- boolean hasData = _track.getNumPoints() > 0;
- _topPanel.setVisible(hasData);
- _sidePanel.setVisible(hasData);
- // grab focus for the key presses
- this.requestFocus();
- }
-
- /**
- * Respond to key presses on the map canvas
- * @param inE key event
- */
- public void keyPressed(KeyEvent inE)
- {
- int code = inE.getKeyCode();
- int currPointIndex = _selection.getCurrentPointIndex();
- // Check for Ctrl key (for Linux/Win) or meta key (Clover key for Mac)
- if (inE.isControlDown() || inE.isMetaDown())
- {
- // Shift as well makes things faster
- final int pointIncrement = inE.isShiftDown()?3:1;
- // Check for arrow keys to zoom in and out
- if (code == KeyEvent.VK_UP)
- zoomIn();
- else if (code == KeyEvent.VK_DOWN)
- zoomOut();
- // Key nav for next/prev point
- else if (code == KeyEvent.VK_LEFT && currPointIndex > 0)
- _trackInfo.incrementPointIndex(-pointIncrement);
- else if (code == KeyEvent.VK_RIGHT)
- _trackInfo.incrementPointIndex(pointIncrement);
- else if (code == KeyEvent.VK_PAGE_UP)
- _trackInfo.selectPoint(Checker.getPreviousSegmentStart(
- _trackInfo.getTrack(), _trackInfo.getSelection().getCurrentPointIndex()));
- else if (code == KeyEvent.VK_PAGE_DOWN)
- _trackInfo.selectPoint(Checker.getNextSegmentStart(
- _trackInfo.getTrack(), _trackInfo.getSelection().getCurrentPointIndex()));
- // Check for home and end
- else if (code == KeyEvent.VK_HOME)
- _trackInfo.selectPoint(0);
- else if (code == KeyEvent.VK_END)
- _trackInfo.selectPoint(_trackInfo.getTrack().getNumPoints()-1);
- }
- else
- {
- // Check for arrow keys to pan
- int upwardsPan = 0;
- if (code == KeyEvent.VK_UP)
- upwardsPan = -PAN_DISTANCE;
- else if (code == KeyEvent.VK_DOWN)
- upwardsPan = PAN_DISTANCE;
- int rightwardsPan = 0;
- if (code == KeyEvent.VK_RIGHT)
- rightwardsPan = PAN_DISTANCE;
- else if (code == KeyEvent.VK_LEFT)
- rightwardsPan = -PAN_DISTANCE;
- panMap(rightwardsPan, upwardsPan);
- // Check for escape
- if (code == KeyEvent.VK_ESCAPE)
- _drawMode = MODE_DEFAULT;
- // Check for backspace key to delete current point (delete key already handled by menu)
- else if (code == KeyEvent.VK_BACK_SPACE && currPointIndex >= 0) {
- _app.deleteCurrentPoint();
- }
- }
- }
-
- /**
- * @param inE key released event, ignored
- */
- public void keyReleased(KeyEvent e)
- {
- // ignore
- }
-
- /**
- * @param inE key typed event, ignored
- */
- public void keyTyped(KeyEvent inE)
- {
- // ignore
- }
-
- /**
- * @param inE mouse wheel event indicating scroll direction
- */
- public void mouseWheelMoved(MouseWheelEvent inE)
- {
- int clicks = inE.getWheelRotation();
- if (clicks < 0) {
- panMap((inE.getX() - getWidth()/2)/2, (inE.getY() - getHeight()/2)/2);
- zoomIn();
- }
- else if (clicks > 0) {
- panMap(-(inE.getX() - getWidth()/2), -(inE.getY() - getHeight()/2));
- zoomOut();
- }
- }
-
- /**
- * @return current map position
- */
- public MapPosition getMapPosition()
- {
- return _mapPosition;
- }
-}
projects / GpsPrune.git / blobdiff