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Diffstat (limited to 'altosuilib/AltosSiteMap.java')
-rw-r--r-- | altosuilib/AltosSiteMap.java | 892 |
1 files changed, 0 insertions, 892 deletions
diff --git a/altosuilib/AltosSiteMap.java b/altosuilib/AltosSiteMap.java deleted file mode 100644 index ed77beff..00000000 --- a/altosuilib/AltosSiteMap.java +++ /dev/null @@ -1,892 +0,0 @@ -/* - * Copyright © 2010 Anthony Towns <aj@erisian.com.au> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ - -package org.altusmetrum.altosuilib_2; - -import java.awt.*; -import java.awt.event.*; -import javax.swing.*; -import java.io.*; -import java.lang.Math; -import java.awt.geom.*; -import java.util.*; -import java.util.concurrent.*; -import org.altusmetrum.altoslib_4.*; - -class MapPoint { - double lat, lon; - int state; - - public MapPoint(double lat, double lon, int state) { - this.lat = lat; - this.lon = lon; - this.state = state; - } - - public boolean equals(MapPoint other) { - if (other == null) - return false; - if (other.lat != lat) - return false; - if (other.lon != lon) - return false; - if (other.state != state) - return false; - return true; - } -} - -public class AltosSiteMap extends JComponent implements AltosFlightDisplay, MouseMotionListener, MouseListener, HierarchyBoundsListener { - // preferred vertical step in a tile in naut. miles - // will actually choose a step size between x and 2x, where this - // is 1.5x - static final double tile_size_nmi = 0.75; - - static final int px_size = 512; - - static final int MAX_TILE_DELTA = 100; - - static final int maptype_hybrid = 0; - static final int maptype_roadmap = 1; - static final int maptype_satellite = 2; - static final int maptype_terrain = 3; - - int maptype = maptype_hybrid; - - static final String[] maptype_names = { - "hybrid", - "roadmap", - "satellite", - "terrain" - }; - - public static final String[] maptype_labels = { - "Hybrid", - "Roadmap", - "Satellite", - "Terrain" - }; - - LinkedList<MapPoint> points = new LinkedList<MapPoint>(); - - private static Point2D.Double translatePoint(Point2D.Double p, - Point2D.Double d) - { - return new Point2D.Double(p.x + d.x, p.y + d.y); - } - - static class LatLng { - public double lat, lng; - public LatLng(double lat, double lng) { - this.lat = lat; - this.lng = lng; - } - } - - // based on google js - // http://maps.gstatic.com/intl/en_us/mapfiles/api-3/2/10/main.js - // search for fromLatLngToPoint and fromPointToLatLng - /* - private static Point2D.Double pt(LatLng latlng, int zoom) { - double scale_x = 256/360.0 * Math.pow(2, zoom); - double scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom); - return pt(latlng, scale_x, scale_y); - } - */ - - private static Point2D.Double pt(LatLng latlng, - double scale_x, double scale_y) - { - Point2D.Double res = new Point2D.Double(); - double e; - - res.x = latlng.lng * scale_x; - - e = Math.sin(Math.toRadians(latlng.lat)); - e = Math.max(e,-(1-1.0E-15)); - e = Math.min(e, 1-1.0E-15 ); - - res.y = 0.5*Math.log((1+e)/(1-e))*-scale_y; - return res; - } - - static private LatLng latlng(Point2D.Double pt, - double scale_x, double scale_y) - { - double lat, lng; - double rads; - - lng = pt.x/scale_x; - rads = 2 * Math.atan(Math.exp(-pt.y/scale_y)); - lat = Math.toDegrees(rads - Math.PI/2); - - return new LatLng(lat,lng); - } - - static final int default_zoom = 15; - static final int min_zoom = 3; - static final int max_zoom = 21; - - int zoom = default_zoom; - - double scale_x, scale_y; - - int radius; /* half width/height of tiles to load */ - - private Point2D.Double pt(double lat, double lng) { - return pt(new LatLng(lat, lng), scale_x, scale_y); - } - - private LatLng latlng(double x, double y) { - return latlng(new Point2D.Double(x,y), scale_x, scale_y); - } - /* - private LatLng latlng(Point2D.Double pt) { - return latlng(pt, scale_x, scale_y); - } - */ - - private LatLng latlng(Point pt) { - return latlng(new Point2D.Double(pt.x, pt.y), scale_x, scale_y); - } - - ConcurrentHashMap<Point,AltosSiteMapTile> mapTiles = new ConcurrentHashMap<Point,AltosSiteMapTile>(); - Point2D.Double centre; - - private Point2D.Double tileCoordOffset(Point p) { - return new Point2D.Double(centre.x - p.x*px_size, - centre.y - p.y*px_size); - } - - private Point tileOffset(Point2D.Double p) { - return new Point((int)Math.floor((centre.x+p.x)/px_size), - (int)Math.floor((centre.y+p.y)/px_size)); - } - - private Point2D.Double getBaseLocation(double lat, double lng) { - Point2D.Double locn = pt(0,0), north_step; - - scale_x = 256/360.0 * Math.pow(2, zoom); - scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom); - locn = pt(lat, lng); - locn.x = -px_size * Math.floor(locn.x/px_size); - locn.y = -px_size * Math.floor(locn.y/px_size); - return locn; - } - - public void reset() { - // nothing - } - - public void font_size_changed(int font_size) { - for (AltosSiteMapTile tile : mapTiles.values()) - tile.set_font(AltosUILib.value_font); - } - - public void units_changed(boolean imperial_units) { - set_line(); - } - - static final int load_mode_cached = 1; - static final int load_mode_uncached = 2; - - private boolean load_map(final AltosSiteMapTile tile, - final File pngfile, String pngurl, - int load_mode) - { - boolean has_map = AltosSiteMapCache.has_map(pngfile, pngurl); - if ((load_mode & load_mode_uncached) == 0 && !has_map) - return false; - if ((load_mode & load_mode_cached) == 0 && has_map) - return false; - - tile.set_status(AltosSiteMapCache.loading); - int status = AltosSiteMapCache.fetch_map(pngfile, pngurl); - if (status == AltosSiteMapCache.success) { - if (SwingUtilities.isEventDispatchThread()) - tile.load_map(pngfile); - else { - SwingUtilities.invokeLater(new Runnable() { - public void run() { - tile.load_map(pngfile); - } - }); - } - } else { - tile.set_status(status); - System.out.printf("# Failed to fetch file %s (status %d)\n", pngfile, status); - System.out.printf(" wget -O '%s' '%s'\n", pngfile, pngurl); - System.out.printf(" sleep 1\n"); - } - return true; - } - - - class AltosSiteMapPrefetch { - int x; - int y; - int result; - File pngfile; - String pngurl; - } - - private AltosSiteMapPrefetch prefetchMap(int x, int y) { - AltosSiteMapPrefetch prefetch = new AltosSiteMapPrefetch(); - LatLng map_latlng = latlng( - -centre.x + x*px_size + px_size/2, - -centre.y + y*px_size + px_size/2); - prefetch.pngfile = MapFile(map_latlng.lat, map_latlng.lng, zoom, maptype_hybrid); - prefetch.pngurl = MapURL(map_latlng.lat, map_latlng.lng, zoom, maptype_hybrid); - if (AltosSiteMapCache.has_map(prefetch.pngfile, prefetch.pngurl)) { - prefetch.result = 1; - } else if (AltosSiteMapCache.fetch_map(prefetch.pngfile, prefetch.pngurl) == AltosSiteMapCache.success) { - prefetch.result = 0; - } else { - prefetch.result = -1; - } - return prefetch; - } - - public static void prefetchMaps(double lat, double lng, int radius, int maptypes, int min_zoom, int max_zoom) { - AltosSiteMap asm = new AltosSiteMap(true); - - for (int z = min_zoom; z <= max_zoom; z++) { - asm.zoom = z; - asm.set_radius(radius); - asm.centre = asm.getBaseLocation(lat, lng); - for (int t = maptype_hybrid; t <= maptype_terrain; t++) { - if ((maptypes & (1 << t)) !=0) { - asm.maptype = t; - for (int y = -radius; y <= radius; y++) { - for (int x = -radius; x <= radius; x++) { - AltosSiteMapPrefetch prefetch = asm.prefetchMap(x, y); - switch (prefetch.result) { - case 1: - System.out.printf("Already have %s\n", prefetch.pngfile); - break; - case 0: - System.out.printf("Fetched map %s\n", prefetch.pngfile); - break; - case -1: - System.out.printf("# Failed to fetch file %s\n", prefetch.pngfile); - System.out.printf(" wget -O '%s' ''\n", - prefetch.pngfile, prefetch.pngurl); - break; - } - } - } - } - } - } - } - - public static void prefetchMaps(double lat, double lon) { - prefetchMaps(lat, lon, 2, 1 << maptype_hybrid, 0, 0); - } - - public File init_map(Point offset, int load_mode) { - AltosSiteMapTile tile = mapTiles.get(offset); - Point2D.Double coord = tileCoordOffset(offset); - - LatLng map_latlng = latlng(px_size/2-coord.x, px_size/2-coord.y); - - File pngfile = MapFile(map_latlng.lat, map_latlng.lng, zoom, maptype); - String pngurl = MapURL(map_latlng.lat, map_latlng.lng, zoom, maptype); - load_map(tile, pngfile, pngurl, load_mode); - return pngfile; - } - - private void initAndFinishMapAsync (final AltosSiteMapTile tile, final Point offset) { - Thread thread = new Thread() { - public void run() { - init_map(offset, load_mode_cached|load_mode_uncached); - SwingUtilities.invokeLater( new Runnable() { - public void run() { - addTileAt(tile, offset); - } - } ); - } - }; - thread.start(); - } - - double lat, lon; - boolean base_location_set = false; - - public void clear_base_location() { - base_location_set = false; - circle_set = false; - points = new LinkedList<MapPoint>(); - line_start = line_end = null; - for (AltosSiteMapTile tile : mapTiles.values()) { - tile.clearMap(); - tile.set_status(AltosSiteMapCache.loading); - } - } - - public void setBaseLocation(double lat, double lng) { - this.lat = lat; - this.lon = lng; - base_location_set = true; - - centre = getBaseLocation(lat, lng); - scrollRocketToVisible(pt(lat,lng)); - } - - private void initMaps(double lat, double lng) { - setBaseLocation(lat, lng); - - for (AltosSiteMapTile tile : mapTiles.values()) { - tile.clearMap(); - tile.set_status(AltosSiteMapCache.loading); - } - Thread thread = new Thread() { - public void run() { - for (Point k : mapTiles.keySet()) - init_map(k, load_mode_cached); - for (Point k : mapTiles.keySet()) - init_map(k, load_mode_uncached); - } - }; - thread.start(); - } - - private static File MapFile(double lat, double lng, int zoom, int maptype) { - char chlat = lat < 0 ? 'S' : 'N'; - char chlng = lng < 0 ? 'W' : 'E'; - if (lat < 0) lat = -lat; - if (lng < 0) lng = -lng; - String maptype_string = String.format("%s-", maptype_names[maptype]); - String format_string; - if (maptype == maptype_hybrid || maptype == maptype_satellite || maptype == maptype_terrain) - format_string = "jpg"; - else - format_string = "png"; - return new File(AltosUIPreferences.mapdir(), - String.format("map-%c%.6f,%c%.6f-%s%d.%s", - chlat, lat, chlng, lng, maptype_string, zoom, format_string)); - } - - private static String MapURL(double lat, double lng, int zoom, int maptype) { - String format_string; - if (maptype == maptype_hybrid || maptype == maptype_satellite || maptype == maptype_terrain) - format_string = "jpg"; - else - format_string = "png32"; - - if (AltosUIVersion.has_google_maps_api_key()) - return String.format("http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&sensor=false&maptype=%s&format=%s&key=%s", - lat, lng, zoom, px_size, px_size, maptype_names[maptype], format_string, AltosUIVersion.google_maps_api_key); - else - return String.format("http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&sensor=false&maptype=%s&format=%s", - lat, lng, zoom, px_size, px_size, maptype_names[maptype], format_string); - } - - boolean initialised = false; - MapPoint last_point = null; - int last_state = -1; - - private void show(double lat, double lon) { - System.out.printf ("show %g %g\n", lat, lon); - return; -// initMaps(lat, lon); -// scrollRocketToVisible(pt(lat, lon)); - } - - JLabel zoom_label; - - private void set_zoom_label() { - zoom_label.setText(String.format("Zoom %d", zoom - default_zoom)); - } - - public void set_zoom(int zoom) { - if (min_zoom <= zoom && zoom <= max_zoom) { - this.zoom = zoom; - if (base_location_set) { - set_tiles(); - initMaps(lat, lon); - } - redraw(); - set_zoom_label(); - } - } - - public int get_zoom() { - return zoom; - } - - public void set_maptype(int type) { - maptype = type; - maptype_combo.setSelectedIndex(type); - if (base_location_set) - initMaps(lat, lon); - redraw(); - } - - private void draw(MapPoint last_point, MapPoint point) { - boolean force_ensure = false; - if (last_point == null) { - force_ensure = true; - last_point = point; - } - - Point2D.Double pt = pt(point.lat, point.lon); - Point2D.Double last_pt = pt(last_point.lat, last_point.lon); - - boolean in_any = false; - for (Point offset : mapTiles.keySet()) { - AltosSiteMapTile tile = mapTiles.get(offset); - Point2D.Double ref, lref; - ref = translatePoint(pt, tileCoordOffset(offset)); - lref = translatePoint(last_pt, tileCoordOffset(offset)); - tile.show(point.state, lref, ref); - if (0 <= ref.x && ref.x < px_size) - if (0 <= ref.y && ref.y < px_size) - in_any = true; - } - - Point offset = tileOffset(pt); - if (!in_any) { - Point2D.Double ref, lref; - ref = translatePoint(pt, tileCoordOffset(offset)); - lref = translatePoint(last_pt, tileCoordOffset(offset)); - - AltosSiteMapTile tile = createTile(offset); - tile.show(point.state, lref, ref); - initAndFinishMapAsync(tile, offset); - } - - scrollRocketToVisible(pt); - - if (force_ensure || offset != tileOffset(last_pt)) { - ensureTilesAround(offset); - } - } - - private void redraw() { - MapPoint last_point = null; - - for (MapPoint point : points) { - draw(last_point, point); - last_point = point; - } - if (circle_set) - draw_circle(circle_lat, circle_lon); - if (line_start != null) - set_line(); - } - - public void show(final AltosState state, final AltosListenerState listener_state) { - // if insufficient gps data, nothing to update - AltosGPS gps = state.gps; - - if (gps == null) - return; - - if (!gps.locked && gps.nsat < 4) - return; - - if (!initialised) { - if (state.pad_lat != AltosLib.MISSING && state.pad_lon != AltosLib.MISSING) { - initMaps(state.pad_lat, state.pad_lon); - initialised = true; - } else if (gps.lat != AltosLib.MISSING && gps.lon != AltosLib.MISSING) { - initMaps(gps.lat, gps.lon); - initialised = true; - } else { - return; - } - } - - MapPoint point = new MapPoint(gps.lat, gps.lon, state.state); - - if (point.equals(last_point)) - return; - - points.add(point); - - draw(last_point, point); - - last_point = point; - } - - public void centre(Point2D.Double pt) { - Rectangle r = comp.getVisibleRect(); - Point2D.Double copt = translatePoint(pt, tileCoordOffset(topleft)); - int dx = (int)copt.x - r.width/2 - r.x; - int dy = (int)copt.y - r.height/2 - r.y; - r.x += dx; - r.y += dy; - r.width = 1; - r.height = 1; - comp.scrollRectToVisible(r); - } - - public void centre(AltosState state) { - if (!state.gps.locked && state.gps.nsat < 4) - return; - centre(pt(state.gps.lat, state.gps.lon)); - } - - private double circle_lat, circle_lon; - private boolean circle_set = false; - - public void draw_circle(double lat, double lon) { - circle_lat = lat; - circle_lon = lon; - circle_set = true; - - Point2D.Double pt = pt(lat, lon); - - for (Point offset : mapTiles.keySet()) { - AltosSiteMapTile tile = mapTiles.get(offset); - Point2D.Double ref = translatePoint(pt, tileCoordOffset(offset)); - tile.set_boost(ref); - } - } - - private AltosSiteMapTile createTile(Point offset) { - AltosSiteMapTile tile = new AltosSiteMapTile(px_size); - tile.set_font(AltosUILib.value_font); - mapTiles.put(offset, tile); - return tile; - } - - private void ensureTilesAround(Point base_offset) { - for (int x = -radius; x <= radius; x++) { - for (int y = -radius; y <= radius; y++) { - Point offset = new Point(base_offset.x + x, base_offset.y + y); - if (mapTiles.containsKey(offset)) - continue; - AltosSiteMapTile tile = createTile(offset); - initAndFinishMapAsync(tile, offset); - } - } - } - - private void set_tiles() { - for (int x = -radius; x <= radius; x++) { - for (int y = -radius; y <= radius; y++) { - Point offset = new Point(x, y); - if (mapTiles.containsKey(offset)) - continue; - AltosSiteMapTile t = createTile(offset); - addTileAt(t, offset); - } - } - for (Point offset : mapTiles.keySet()) { - if (offset.x < -radius || offset.x > radius || - offset.y < -radius || offset.y > radius) - { - removeTileAt(offset); - } - } - } - - public void set_radius(int radius) { - if (radius != this.radius) { - this.radius = radius; - set_tiles(); - } - } - - private Point topleft = new Point(0,0); - private void scrollRocketToVisible(Point2D.Double pt) { - Rectangle r = comp.getVisibleRect(); - Point2D.Double copt = translatePoint(pt, tileCoordOffset(topleft)); - - int dx = (int)copt.x - r.width/2 - r.x; - int dy = (int)copt.y - r.height/2 - r.y; - if (Math.abs(dx) > r.width/4 || Math.abs(dy) > r.height/4) { - r.x += dx; - r.y += dy; - comp.scrollRectToVisible(r); - } - } - - private void addTileAt(AltosSiteMapTile tile, Point offset) { - if (Math.abs(offset.x) >= MAX_TILE_DELTA || - Math.abs(offset.y) >= MAX_TILE_DELTA) - { - System.out.printf("Rocket too far away from pad (tile %d,%d)\n", - offset.x, offset.y); - return; - } - - if (offset.x < topleft.x) - topleft.x = offset.x; - if (offset.y < topleft.y) - topleft.y = offset.y; - - GridBagConstraints c = new GridBagConstraints(); - c.anchor = GridBagConstraints.CENTER; - c.fill = GridBagConstraints.BOTH; - // put some space between the map tiles, debugging only - // c.insets = new Insets(5, 5, 5, 5); - - c.gridx = offset.x + MAX_TILE_DELTA; - c.gridy = offset.y + MAX_TILE_DELTA; - layout.setConstraints(tile, c); - - comp.add(tile); - } - - private AltosSiteMap(boolean knowWhatYouAreDoing) { - if (!knowWhatYouAreDoing) { - throw new RuntimeException("Arggh."); - } - } - - private void removeTileAt(Point offset) { - AltosSiteMapTile tile = mapTiles.get(offset); - - mapTiles.remove(offset); - comp.remove(tile); - - topleft = new Point(MAX_TILE_DELTA, MAX_TILE_DELTA); - for (Point o : mapTiles.keySet()) { - if (o.x < topleft.x) - topleft.x = o.x; - if (o.y < topleft.y) - topleft.y = o.y; - } - } - - JComponent comp; - - private GridBagLayout layout = new GridBagLayout(); - - LatLng line_start, line_end; - - private void set_line() { - if (line_start != null && line_end != null) { - Point2D.Double start = pt(line_start.lat, line_start.lng); - Point2D.Double end = pt(line_end.lat, line_end.lng); - AltosGreatCircle g = new AltosGreatCircle(line_start.lat, line_start.lng, - line_end.lat, line_end.lng); - - for (Point offset : mapTiles.keySet()) { - AltosSiteMapTile tile = mapTiles.get(offset); - Point2D.Double s, e; - s = translatePoint(start, tileCoordOffset(offset)); - e = translatePoint(end, tileCoordOffset(offset)); - tile.set_line(new Line2D.Double(s.x, s.y, e.x, e.y), g.distance); - } - } else { - for (AltosSiteMapTile tile : mapTiles.values()) - tile.set_line(null, 0); - } - } - - static void debug_component(Component who, String where) { -/* - Rectangle r = who.getBounds(); - int x = r.x / px_size; - int y = r.y / px_size; - - System.out.printf ("%3d, %3d: %s\n", x, y, where); -*/ - } - - LatLng latlng(MouseEvent e) { - if (!base_location_set) - return null; - - Rectangle zerozero = mapTiles.get(new Point(0, 0)).getBounds(); - - return latlng(-centre.x + e.getPoint().x - zerozero.x, -centre.y + e.getPoint().y - zerozero.y); - } - - /* MouseMotionListener methods */ - public void mouseDragged(MouseEvent e) { - if (!GrabNDrag.grab_n_drag(e)) { - LatLng loc = latlng(e); - line_end = loc; - set_line(); - } - } - - public void mouseMoved(MouseEvent e) { - } - - /* MouseListener methods */ - public void mouseClicked(MouseEvent e) { - } - - public void mouseEntered(MouseEvent e) { - } - - public void mouseExited(MouseEvent e) { - } - - public void mousePressed(MouseEvent e) { - if (!GrabNDrag.grab_n_drag(e)) { - LatLng loc = latlng(e); - line_start = loc; - line_end = null; - set_line(); - } - } - - public void mouseReleased(MouseEvent e) { - } - - private void set_cache_size() { - Rectangle r = comp.getVisibleRect(); - - int width_tiles = (r.width + 2*px_size) / px_size; - int height_tiles = (r.height + 2*px_size) / px_size; - int tiles = width_tiles * height_tiles; - AltosSiteMapCache.set_cache_size(tiles); - } - - /* HierarchyBoundsListener methods */ - public void ancestorMoved(HierarchyEvent e) { - set_cache_size(); - } - - public void ancestorResized(HierarchyEvent e) { - set_cache_size(); - } - - JScrollPane pane = new JScrollPane(); - - JComboBox<String> maptype_combo; - - public AltosSiteMap(int in_radius) { - radius = in_radius; - - comp = new JComponent() { }; - - comp.addMouseMotionListener(this); - comp.addMouseListener(this); - comp.addHierarchyBoundsListener(this); - - GrabNDrag scroller = new GrabNDrag(comp); - - comp.setLayout(layout); - - set_tiles(); - - pane.setViewportView(comp); - pane.setPreferredSize(new Dimension(500,500)); - pane.setVisible(true); - pane.setEnabled(true); - - GridBagLayout my_layout = new GridBagLayout(); - - setLayout(my_layout); - - GridBagConstraints c = new GridBagConstraints(); - c.anchor = GridBagConstraints.CENTER; - c.fill = GridBagConstraints.BOTH; - c.gridx = 0; - c.gridy = 0; - c.gridwidth = 1; - c.gridheight = 10; - c.weightx = 1; - c.weighty = 1; - add(pane, c); - - int y = 0; - - zoom_label = new JLabel("", JLabel.CENTER); - set_zoom_label(); - - c = new GridBagConstraints(); - c.anchor = GridBagConstraints.CENTER; - c.fill = GridBagConstraints.HORIZONTAL; - c.gridx = 1; - c.gridy = y++; - c.weightx = 0; - c.weighty = 0; - add(zoom_label, c); - - JButton zoom_reset = new JButton("0"); - zoom_reset.addActionListener(new ActionListener() { - public void actionPerformed(ActionEvent e) { - set_zoom(default_zoom); - } - }); - - c = new GridBagConstraints(); - c.anchor = GridBagConstraints.CENTER; - c.fill = GridBagConstraints.HORIZONTAL; - c.gridx = 1; - c.gridy = y++; - c.weightx = 0; - c.weighty = 0; - add(zoom_reset, c); - - JButton zoom_in = new JButton("+"); - zoom_in.addActionListener(new ActionListener() { - public void actionPerformed(ActionEvent e) { - set_zoom(get_zoom() + 1); - } - }); - - c = new GridBagConstraints(); - c.anchor = GridBagConstraints.CENTER; - c.fill = GridBagConstraints.HORIZONTAL; - c.gridx = 1; - c.gridy = y++; - c.weightx = 0; - c.weighty = 0; - add(zoom_in, c); - - JButton zoom_out = new JButton("-"); - zoom_out.addActionListener(new ActionListener() { - public void actionPerformed(ActionEvent e) { - set_zoom(get_zoom() - 1); - } - }); - c = new GridBagConstraints(); - c.anchor = GridBagConstraints.CENTER; - c.fill = GridBagConstraints.HORIZONTAL; - c.gridx = 1; - c.gridy = y++; - c.weightx = 0; - c.weighty = 0; - add(zoom_out, c); - - maptype_combo = new JComboBox<String>(maptype_labels); - - maptype_combo.setEditable(false); - maptype_combo.setMaximumRowCount(maptype_combo.getItemCount()); - maptype_combo.addItemListener(new ItemListener() { - public void itemStateChanged(ItemEvent e) { - maptype = maptype_combo.getSelectedIndex(); - if (base_location_set) - initMaps(lat, lon); - redraw(); - } - }); - - c = new GridBagConstraints(); - c.anchor = GridBagConstraints.CENTER; - c.fill = GridBagConstraints.HORIZONTAL; - c.gridx = 1; - c.gridy = y++; - c.weightx = 0; - c.weighty = 0; - add(maptype_combo, c); - } - - public AltosSiteMap() { - this(1); - } -} |