// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.bbox;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Rectangle;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.swing.JOptionPane;
import javax.swing.SpringLayout;
import org.openstreetmap.gui.jmapviewer.Coordinate;
import org.openstreetmap.gui.jmapviewer.JMapViewer;
import org.openstreetmap.gui.jmapviewer.MapMarkerDot;
import org.openstreetmap.gui.jmapviewer.MemoryTileCache;
import org.openstreetmap.gui.jmapviewer.OsmTileLoader;
import org.openstreetmap.gui.jmapviewer.interfaces.ICoordinate;
import org.openstreetmap.gui.jmapviewer.interfaces.MapMarker;
import org.openstreetmap.gui.jmapviewer.interfaces.TileLoader;
import org.openstreetmap.gui.jmapviewer.interfaces.TileSource;
import org.openstreetmap.gui.jmapviewer.tilesources.OsmTileSource;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.Bounds;
import org.openstreetmap.josm.data.Version;
import org.openstreetmap.josm.data.coor.LatLon;
import org.openstreetmap.josm.data.imagery.ImageryInfo;
import org.openstreetmap.josm.data.imagery.ImageryLayerInfo;
import org.openstreetmap.josm.data.imagery.TMSCachedTileLoader;
import org.openstreetmap.josm.data.imagery.TileLoaderFactory;
import org.openstreetmap.josm.data.preferences.StringProperty;
import org.openstreetmap.josm.gui.layer.AbstractCachedTileSourceLayer;
import org.openstreetmap.josm.gui.layer.TMSLayer;
public class SlippyMapBBoxChooser extends JMapViewer implements BBoxChooser {
@FunctionalInterface
public interface TileSourceProvider {
List<TileSource> getTileSources();
}
/**
* TMS TileSource provider for the slippymap chooser
*/
public static class TMSTileSourceProvider implements TileSourceProvider {
private static final Set<String> existingSlippyMapUrls = new HashSet<>();
static {
// Urls that already exist in the slippymap chooser and shouldn't be copied from TMS layer list
existingSlippyMapUrls.add("https://{switch:a,b,c}.tile.openstreetmap.org/{zoom}/{x}/{y}.png"); // Mapnik
existingSlippyMapUrls.add("http://tile.opencyclemap.org/cycle/{zoom}/{x}/{y}.png"); // Cyclemap
}
@Override
public List<TileSource> getTileSources() {
if (!TMSLayer.PROP_ADD_TO_SLIPPYMAP_CHOOSER.get()) return Collections.<TileSource>emptyList();
List<TileSource> sources = new ArrayList<>();
for (ImageryInfo info : ImageryLayerInfo.instance.getLayers()) {
if (existingSlippyMapUrls.contains(info.getUrl())) {
continue;
}
try {
TileSource source = TMSLayer.getTileSourceStatic(info);
if (source != null) {
sources.add(source);
}
} catch (IllegalArgumentException ex) {
Main.warn(ex);
if (ex.getMessage() != null && !ex.getMessage().isEmpty()) {
JOptionPane.showMessageDialog(Main.parent,
ex.getMessage(), tr("Warning"),
JOptionPane.WARNING_MESSAGE);
}
}
}
return sources;
}
}
/**
* Plugins that wish to add custom tile sources to slippy map choose should call this method
* @param tileSourceProvider new tile source provider
*/
public static void addTileSourceProvider(TileSourceProvider tileSourceProvider) {
providers.addIfAbsent(tileSourceProvider);
}
private static CopyOnWriteArrayList<TileSourceProvider> providers = new CopyOnWriteArrayList<>();
static {
addTileSourceProvider(() -> Arrays.<TileSource>asList(
new OsmTileSource.Mapnik(),
new OsmTileSource.CycleMap()));
addTileSourceProvider(new TMSTileSourceProvider());
}
private static final StringProperty PROP_MAPSTYLE = new StringProperty("slippy_map_chooser.mapstyle", "Mapnik");
public static final String RESIZE_PROP = SlippyMapBBoxChooser.class.getName() + ".resize";
private final transient TileLoader cachedLoader;
private final transient OsmTileLoader uncachedLoader;
private final SizeButton iSizeButton;
private final SourceButton iSourceButton;
private transient Bounds bbox;
// upper left and lower right corners of the selection rectangle (x/y on ZOOM_MAX)
private transient ICoordinate iSelectionRectStart;
private transient ICoordinate iSelectionRectEnd;
/**
* Constructs a new {@code SlippyMapBBoxChooser}.
*/
public SlippyMapBBoxChooser() {
debug = Main.isDebugEnabled();
SpringLayout springLayout = new SpringLayout();
setLayout(springLayout);
Map<String, String> headers = new HashMap<>();
headers.put("User-Agent", Version.getInstance().getFullAgentString());
TileLoaderFactory cachedLoaderFactory = AbstractCachedTileSourceLayer.getTileLoaderFactory("TMS", TMSCachedTileLoader.class);
if (cachedLoaderFactory != null) {
cachedLoader = cachedLoaderFactory.makeTileLoader(this, headers);
} else {
cachedLoader = null;
}
uncachedLoader = new OsmTileLoader(this);
uncachedLoader.headers.putAll(headers);
setZoomContolsVisible(Main.pref.getBoolean("slippy_map_chooser.zoomcontrols", false));
setMapMarkerVisible(false);
setMinimumSize(new Dimension(350, 350 / 2));
// We need to set an initial size - this prevents a wrong zoom selection
// for the area before the component has been displayed the first time
setBounds(new Rectangle(getMinimumSize()));
if (cachedLoader == null) {
setFileCacheEnabled(false);
} else {
setFileCacheEnabled(Main.pref.getBoolean("slippy_map_chooser.file_cache", true));
}
setMaxTilesInMemory(Main.pref.getInteger("slippy_map_chooser.max_tiles", 1000));
List<TileSource> tileSources = getAllTileSources();
iSourceButton = new SourceButton(this, tileSources);
add(iSourceButton);
springLayout.putConstraint(SpringLayout.EAST, iSourceButton, 0, SpringLayout.EAST, this);
springLayout.putConstraint(SpringLayout.NORTH, iSourceButton, 30, SpringLayout.NORTH, this);
iSizeButton = new SizeButton(this);
add(iSizeButton);
String mapStyle = PROP_MAPSTYLE.get();
boolean foundSource = false;
for (TileSource source: tileSources) {
if (source.getName().equals(mapStyle)) {
this.setTileSource(source);
iSourceButton.setCurrentMap(source);
foundSource = true;
break;
}
}
if (!foundSource) {
setTileSource(tileSources.get(0));
iSourceButton.setCurrentMap(tileSources.get(0));
}
new SlippyMapControler(this, this);
}
private static List<TileSource> getAllTileSources() {
List<TileSource> tileSources = new ArrayList<>();
for (TileSourceProvider provider: providers) {
tileSources.addAll(provider.getTileSources());
}
return tileSources;
}
public boolean handleAttribution(Point p, boolean click) {
return attribution.handleAttribution(p, click);
}
/**
* Draw the map.
*/
@Override
public void paint(Graphics g) {
super.paint(g);
// draw selection rectangle
if (iSelectionRectStart != null && iSelectionRectEnd != null) {
Rectangle box = new Rectangle(getMapPosition(iSelectionRectStart, false));
box.add(getMapPosition(iSelectionRectEnd, false));
g.setColor(new Color(0.9f, 0.7f, 0.7f, 0.6f));
g.fillRect(box.x, box.y, box.width, box.height);
g.setColor(Color.BLACK);
g.drawRect(box.x, box.y, box.width, box.height);
}
}
public final void setFileCacheEnabled(boolean enabled) {
if (enabled && cachedLoader != null) {
setTileLoader(cachedLoader);
} else {
setTileLoader(uncachedLoader);
}
}
public final void setMaxTilesInMemory(int tiles) {
((MemoryTileCache) getTileCache()).setCacheSize(tiles);
}
/**
* Callback for the OsmMapControl. (Re-)Sets the start and end point of the selection rectangle.
*
* @param aStart selection start
* @param aEnd selection end
*/
public void setSelection(Point aStart, Point aEnd) {
if (aStart == null || aEnd == null || aStart.x == aEnd.x || aStart.y == aEnd.y)
return;
Point pMax = new Point(Math.max(aEnd.x, aStart.x), Math.max(aEnd.y, aStart.y));
Point pMin = new Point(Math.min(aEnd.x, aStart.x), Math.min(aEnd.y, aStart.y));
iSelectionRectStart = getPosition(pMin);
iSelectionRectEnd = getPosition(pMax);
Bounds b = new Bounds(
new LatLon(
Math.min(iSelectionRectStart.getLat(), iSelectionRectEnd.getLat()),
LatLon.toIntervalLon(Math.min(iSelectionRectStart.getLon(), iSelectionRectEnd.getLon()))
),
new LatLon(
Math.max(iSelectionRectStart.getLat(), iSelectionRectEnd.getLat()),
LatLon.toIntervalLon(Math.max(iSelectionRectStart.getLon(), iSelectionRectEnd.getLon())))
);
Bounds oldValue = this.bbox;
this.bbox = b;
repaint();
firePropertyChange(BBOX_PROP, oldValue, this.bbox);
}
/**
* Performs resizing of the DownloadDialog in order to enlarge or shrink the
* map.
*/
public void resizeSlippyMap() {
boolean large = iSizeButton.isEnlarged();
firePropertyChange(RESIZE_PROP, !large, large);
}
public void toggleMapSource(TileSource tileSource) {
this.tileController.setTileCache(new MemoryTileCache());
this.setTileSource(tileSource);
PROP_MAPSTYLE.put(tileSource.getName()); // TODO Is name really unique?
}
@Override
public Bounds getBoundingBox() {
return bbox;
}
/**
* Sets the current bounding box in this bbox chooser without
* emiting a property change event.
*
* @param bbox the bounding box. null to reset the bounding box
*/
@Override
public void setBoundingBox(Bounds bbox) {
if (bbox == null || (bbox.getMinLat() == 0 && bbox.getMinLon() == 0
&& bbox.getMaxLat() == 0 && bbox.getMaxLon() == 0)) {
this.bbox = null;
iSelectionRectStart = null;
iSelectionRectEnd = null;
repaint();
return;
}
this.bbox = bbox;
iSelectionRectStart = new Coordinate(bbox.getMinLat(), bbox.getMinLon());
iSelectionRectEnd = new Coordinate(bbox.getMaxLat(), bbox.getMaxLon());
// calc the screen coordinates for the new selection rectangle
MapMarkerDot min = new MapMarkerDot(bbox.getMinLat(), bbox.getMinLon());
MapMarkerDot max = new MapMarkerDot(bbox.getMaxLat(), bbox.getMaxLon());
List<MapMarker> marker = new ArrayList<>(2);
marker.add(min);
marker.add(max);
setMapMarkerList(marker);
setDisplayToFitMapMarkers();
zoomOut();
repaint();
}
/**
* Enables or disables painting of the shrink/enlarge button
*
* @param visible {@code true} to enable painting of the shrink/enlarge button
*/
public void setSizeButtonVisible(boolean visible) {
iSizeButton.setVisible(visible);
}
/**
* Refreshes the tile sources
* @since 6364
*/
public final void refreshTileSources() {
iSourceButton.setSources(getAllTileSources());
}
}