source: osm/applications/editors/josm/plugins/slippy_map_chooser/src/SlippyMapChooser.java@ 13327

Last change on this file since 13327 was 13327, checked in by tim, 17 years ago

ADDED: CycleMap is now available in slippy_map_chooser
File size: 10.6 KB
Line 
1// This code has been adapted and copied from code that has been written by Immanuel Scholz and others for JOSM.
2// License: GPL. Copyright 2007 by Tim Haussmann
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.BorderLayout;
7import java.awt.Color;
8import java.awt.Component;
9import java.awt.Dimension;
10import java.awt.Graphics;
11import java.awt.Point;
12import java.awt.Toolkit;
13import java.awt.event.ComponentEvent;
14import java.awt.event.ComponentListener;
15import java.awt.geom.Point2D;
16import java.util.Vector;
17
18import javax.swing.JLabel;
19import javax.swing.JPanel;
20
21import org.openstreetmap.gui.jmapviewer.JMapViewer;
22import org.openstreetmap.gui.jmapviewer.MapMarkerDot;
23import org.openstreetmap.gui.jmapviewer.MemoryTileCache;
24import org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader;
25import org.openstreetmap.gui.jmapviewer.OsmMercator;
26import org.openstreetmap.gui.jmapviewer.OsmTileLoader;
27import org.openstreetmap.gui.jmapviewer.OsmTileSource;
28import org.openstreetmap.gui.jmapviewer.OsmTileSource.CycleMap;
29import org.openstreetmap.gui.jmapviewer.interfaces.MapMarker;
30import org.openstreetmap.gui.jmapviewer.interfaces.TileLoader;
31import org.openstreetmap.gui.jmapviewer.interfaces.TileSource;
32import org.openstreetmap.josm.Main;
33import org.openstreetmap.josm.gui.download.DownloadDialog;
34import org.openstreetmap.josm.gui.download.DownloadSelection;
35
36/**
37 * JComponent that displays the slippy map tiles
38 *
39 * @author Tim Haussmann
40 *
41 */
42public class SlippyMapChooser extends JMapViewer implements DownloadSelection, ComponentListener {
43
44 private DownloadDialog iGui;
45
46 // upper left and lower right corners of the selection rectangle (x/y on
47 // ZOOM_MAX)
48 Point iSelectionRectStart;
49 Point iSelectionRectEnd;
50
51 private SizeButton iSizeButton = new SizeButton();
52 private SourceButton iSourceButton = new SourceButton();
53
54 // standard dimension
55 private Dimension iDownloadDialogDimension;
56 // screen size
57 private Dimension iScreenSize;
58
59 private TileSource[] sources = { new OsmTileSource.Mapnik(), new OsmTileSource.TilesAtHome(),new OsmTileSource.CycleMap()};
60 TileLoader cachedLoader;
61 TileLoader uncachedLoader;
62 JPanel slipyyMapTabPanel;
63 boolean firstShown = true;
64
65 /**
66 * Create the chooser component.
67 */
68 public SlippyMapChooser() {
69 super();
70 cachedLoader = new OsmFileCacheTileLoader(this);
71 uncachedLoader = new OsmTileLoader(this);
72 setZoomContolsVisible(false);
73 setMapMarkerVisible(false);
74 setMinimumSize(new Dimension(350, 350 / 2));
75 setFileCacheEnabled(SlippyMapChooserPlugin.ENABLE_FILE_CACHE);
76 setMaxTilesInmemory(SlippyMapChooserPlugin.MAX_TILES_IN_MEMORY);
77 addComponentListener(this);
78
79 String mapStyle = Main.pref.get("slippy_map_chooser.mapstyle", "mapnik");
80 if(mapStyle.equals("osmarender")) {
81 iSourceButton.setMapStyle(SourceButton.OSMARENDER);
82 this.setTileSource(sources[1]);
83 }else if(mapStyle.equals("cyclemap")){
84 iSourceButton.setMapStyle(SourceButton.CYCLEMAP);
85 this.setTileSource(sources[2]);
86 }
87 else {
88 if(!mapStyle.equals("mapnik"))
89 Main.pref.put("slippy_map_chooser.mapstyle", "mapnik");
90 }
91 }
92
93 public void setMaxTilesInmemory(int tiles) {
94 ((MemoryTileCache) getTileCache()).setCacheSize(tiles);
95 }
96
97 public void setFileCacheEnabled(boolean enabled) {
98 if (enabled)
99 setTileLoader(cachedLoader);
100 else
101 setTileLoader(uncachedLoader);
102 }
103
104 public void addGui(final DownloadDialog gui) {
105 iGui = gui;
106 slipyyMapTabPanel = new JPanel();
107 slipyyMapTabPanel.setLayout(new BorderLayout());
108 slipyyMapTabPanel.add(this, BorderLayout.CENTER);
109 slipyyMapTabPanel.add(new JLabel((tr("Zoom: Mousewheel or double click. "
110 + "Move map: Hold right mousebutton and move mouse. Select: Click."))),
111 BorderLayout.SOUTH);
112 iGui.tabpane.add(slipyyMapTabPanel, tr("Slippy map"));
113 iGui.tabpane.addComponentListener(this);
114 new OsmMapControl(this, slipyyMapTabPanel, iSizeButton, iSourceButton);
115 }
116
117 protected Point getTopLeftCoordinates() {
118 return new Point(center.x - (getWidth() / 2), center.y - (getHeight() / 2));
119 }
120
121 /**
122 * Draw the map.
123 */
124 @Override
125 public void paint(Graphics g) {
126 try {
127 super.paint(g);
128
129 // draw selection rectangle
130 if (iSelectionRectStart != null && iSelectionRectEnd != null) {
131
132 int zoomDiff = MAX_ZOOM - zoom;
133 Point tlc = getTopLeftCoordinates();
134 int x_min = (iSelectionRectStart.x >> zoomDiff) - tlc.x;
135 int y_min = (iSelectionRectStart.y >> zoomDiff) - tlc.y;
136 int x_max = (iSelectionRectEnd.x >> zoomDiff) - tlc.x;
137 int y_max = (iSelectionRectEnd.y >> zoomDiff) - tlc.y;
138
139 int w = x_max - x_min;
140 int h = y_max - y_min;
141 g.setColor(new Color(0.9f, 0.7f, 0.7f, 0.6f));
142 g.fillRect(x_min, y_min, w, h);
143
144 g.setColor(Color.BLACK);
145 g.drawRect(x_min, y_min, w, h);
146
147 }
148
149 iSizeButton.paint(g);
150 iSourceButton.paint(g);
151 } catch (Exception e) {
152 e.printStackTrace();
153 }
154 }
155
156 public void boundingBoxChanged(DownloadDialog gui) {
157
158 // test if a bounding box has been set set
159 if (gui.minlat == 0.0 && gui.minlon == 0.0 && gui.maxlat == 0.0 && gui.maxlon == 0.0)
160 return;
161
162 int y1 = OsmMercator.LatToY(gui.minlat, MAX_ZOOM);
163 int y2 = OsmMercator.LatToY(gui.maxlat, MAX_ZOOM);
164 int x1 = OsmMercator.LonToX(gui.minlon, MAX_ZOOM);
165 int x2 = OsmMercator.LonToX(gui.maxlon, MAX_ZOOM);
166
167 iSelectionRectStart = new Point(Math.min(x1, x2), Math.min(y1, y2));
168 iSelectionRectEnd = new Point(Math.max(x1, x2), Math.max(y1, y2));
169
170 // calc the screen coordinates for the new selection rectangle
171 MapMarkerDot xmin_ymin = new MapMarkerDot(gui.minlat, gui.minlon);
172 MapMarkerDot xmax_ymax = new MapMarkerDot(gui.maxlat, gui.maxlon);
173
174 Vector<MapMarker> marker = new Vector<MapMarker>(2);
175 marker.add(xmin_ymin);
176 marker.add(xmax_ymax);
177 setMapMarkerList(marker);
178 setDisplayToFitMapMarkers();
179 zoomOut();
180 }
181
182 /**
183 * Callback for the OsmMapControl. (Re-)Sets the start and end point of the
184 * selection rectangle.
185 *
186 * @param aStart
187 * @param aEnd
188 */
189 public void setSelection(Point aStart, Point aEnd) {
190 if (aStart == null || aEnd == null)
191 return;
192 Point p_max = new Point(Math.max(aEnd.x, aStart.x), Math.max(aEnd.y, aStart.y));
193 Point p_min = new Point(Math.min(aEnd.x, aStart.x), Math.min(aEnd.y, aStart.y));
194
195 Point tlc = getTopLeftCoordinates();
196 int zoomDiff = MAX_ZOOM - zoom;
197 Point pEnd = new Point(p_max.x + tlc.x, p_max.y + tlc.y);
198 Point pStart = new Point(p_min.x + tlc.x, p_min.y + tlc.y);
199
200 pEnd.x <<= zoomDiff;
201 pEnd.y <<= zoomDiff;
202 pStart.x <<= zoomDiff;
203 pStart.y <<= zoomDiff;
204
205 iSelectionRectStart = pStart;
206 iSelectionRectEnd = pEnd;
207
208 Point2D.Double l1 = getPosition(p_max);
209 Point2D.Double l2 = getPosition(p_min);
210 iGui.minlat = Math.min(l2.x, l1.x);
211 iGui.minlon = Math.min(l1.y, l2.y);
212 iGui.maxlat = Math.max(l2.x, l1.x);
213 iGui.maxlon = Math.max(l1.y, l2.y);
214
215 iGui.boundingBoxChanged(this);
216 repaint();
217 }
218
219 /**
220 * Performs resizing of the DownloadDialog in order to enlarge or shrink the
221 * map.
222 */
223 public void resizeSlippyMap() {
224 if (iScreenSize == null) {
225 Component c =
226 iGui.getParent().getParent().getParent().getParent().getParent().getParent()
227 .getParent().getParent().getParent();
228 // remember the initial set screen dimensions
229 iDownloadDialogDimension = c.getSize();
230 // retrive the size of the display
231 iScreenSize = Toolkit.getDefaultToolkit().getScreenSize();
232 }
233
234 // resize
235 Component co =
236 iGui.getParent().getParent().getParent().getParent().getParent().getParent()
237 .getParent().getParent().getParent();
238 Dimension currentDimension = co.getSize();
239
240 // enlarge
241 if (currentDimension.equals(iDownloadDialogDimension)) {
242 // make the each dimension 90% of the absolute display size and
243 // center the DownloadDialog
244 int w = iScreenSize.width * 90 / 100;
245 int h = iScreenSize.height * 90 / 100;
246 co.setBounds((iScreenSize.width - w) / 2, (iScreenSize.height - h) / 2, w, h);
247
248 }
249 // shrink
250 else {
251 // set the size back to the initial dimensions and center the
252 // DownloadDialog
253 int w = iDownloadDialogDimension.width;
254 int h = iDownloadDialogDimension.height;
255 co.setBounds((iScreenSize.width - w) / 2, (iScreenSize.height - h) / 2, w, h);
256
257 }
258
259 repaint();
260 }
261
262 public void toggleMapSource(int mapSource) {
263 this.tileCache = new MemoryTileCache();
264 if (mapSource == SourceButton.MAPNIK) {
265 this.setTileSource(sources[0]);
266 Main.pref.put("slippy_map_chooser.mapstyle", "mapnik");
267 }else if (mapSource == SourceButton.CYCLEMAP) {
268 this.setTileSource(sources[2]);
269 Main.pref.put("slippy_map_chooser.mapstyle", "cyclemap");
270 }else {
271 this.setTileSource(sources[1]);
272 Main.pref.put("slippy_map_chooser.mapstyle", "osmarender");
273 }
274 }
275
276 public void componentHidden(ComponentEvent e) {
277 }
278
279 public void componentMoved(ComponentEvent e) {
280 }
281
282 public void componentShown(ComponentEvent e) {
283 }
284
285 public void componentResized(ComponentEvent e) {
286 if (!this.equals(e.getSource()) || getHeight() == 0 || getWidth() == 0)
287 return;
288 firstShown = false;
289 // The bounding box has to be set after SlippyMapChooser's size has been
290 // finally set - otherwise the zoom level will be totally wrong (too wide)
291 boundingBoxChanged(iGui);
292 }
293
294}
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