implement layers

git-svn-id: https://osmand.googlecode.com/svn/trunk@383 e29c36b1-1cfa-d876-8d93-3434fc2bb7b8

DataExtractionOSM/src/com/osmand/ToDoConstants.java

@@ -11,7 +11,7 @@ public class ToDoConstants {
 	// TODO ANDROID 0.3
 	//	Improvements 
 	//   1. Show layers (?) -
-	//	 0) map 1) transport (+)  2) Poi (choose filter) 3) osm bugs (+) 3) Favorites(+) 
+	//	 0) map 1) transport (+)  2) Poi (choose filter) (+) 3) osm bugs (+) 3) Favorites(+) 
 	//		4) Route (gmaps) - 5) Transport route - 
 	//   and remove from settings (+)
 	//   1.4 show detailed route on the map with turns and show route information directly (like in gmaps)
@@ -19,6 +19,7 @@ public class ToDoConstants {
 	//   2. Using NameFinder to search online -
 	//   3. Show route info after route calc (+)
 	//   4. show vehicle for calculating route (+)
+	//   5. Add zorders list to OsmandMapView
 	
 	//  BUGS
 	//   ISSUE 21. (+, +, +)

OsmAnd/src/com/osmand/OsmandSettings.java

@@ -46,6 +46,11 @@ public class OsmandSettings {
 	public static final int CENTER_CONSTANT = 0;
 	public static final int BOTTOM_CONSTANT = 1;
 	
+	public static final Editor getWriteableEditor(Context ctx){
+		SharedPreferences prefs = ctx.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_WORLD_READABLE);
+		return prefs.edit();
+	}
+
 	// this value string is synchronized with settings_pref.xml preference name
 	public static final String USE_INTERNET_TO_DOWNLOAD_TILES = "use_internet_to_download_tiles"; //$NON-NLS-1$
 	public static final boolean USE_INTERNET_TO_DOWNLOAD_TILES_DEF = true;

OsmAnd/src/com/osmand/activities/MapActivity.java

@@ -4,6 +4,7 @@ import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Map;
 
 import android.app.Activity;
 import android.app.AlertDialog;
@@ -195,7 +196,7 @@ public class MapActivity extends Activity implements IMapLocationListener, Senso
 		routingHelper = RoutingHelper.getInstance(this);
 		// 1. route layer
 		routeLayer = new RouteLayer(routingHelper);
-		mapView.addLayer(routeLayer);
+		mapView.addLayer(routeLayer, 1);
 		// 2. osm bugs layer
 		osmBugsLayer = new OsmBugsLayer(this);
 		// 3. poi layer
@@ -206,13 +207,13 @@ public class MapActivity extends Activity implements IMapLocationListener, Senso
 		transportStopsLayer = new TransportStopsLayer();
 		// 6. point navigation layer
 		navigationLayer = new PointNavigationLayer();
-		mapView.addLayer(navigationLayer);
+		mapView.addLayer(navigationLayer, 6);
 		// 7. point location layer 
 		locationLayer = new PointLocationLayer();
-		mapView.addLayer(locationLayer);
+		mapView.addLayer(locationLayer, 7);
 		// 8. map info layer
 		mapInfoLayer = new MapInfoLayer(this, routeLayer);
-		mapView.addLayer(mapInfoLayer);
+		mapView.addLayer(mapInfoLayer, 8);
 
 		
 		savingTrackHelper = new SavingTrackHelper(this);
@@ -636,14 +637,14 @@ public class MapActivity extends Activity implements IMapLocationListener, Senso
 	private void updateLayers(){
 		if(mapView.getLayers().contains(transportStopsLayer) != OsmandSettings.isShowingTransportOverMap(this)){
 			if(OsmandSettings.isShowingTransportOverMap(this)){
-				mapView.addLayer(transportStopsLayer, routeLayer);
+				mapView.addLayer(transportStopsLayer, 5);
 			} else {
 				mapView.removeLayer(transportStopsLayer);
 			}
 		}
 		if(mapView.getLayers().contains(osmBugsLayer) != OsmandSettings.isShowingOsmBugs(this)){
 			if(OsmandSettings.isShowingOsmBugs(this)){
-				mapView.addLayer(osmBugsLayer, routeLayer);
+				mapView.addLayer(osmBugsLayer, 2);
 			} else {
 				mapView.removeLayer(osmBugsLayer);
 			}
@@ -651,7 +652,7 @@ public class MapActivity extends Activity implements IMapLocationListener, Senso
 
 		if(mapView.getLayers().contains(poiMapLayer) != OsmandSettings.isShowingPoiOverMap(this)){
 			if(OsmandSettings.isShowingPoiOverMap(this)){
-				mapView.addLayer(poiMapLayer, routeLayer);
+				mapView.addLayer(poiMapLayer, 3);
 			} else {
 				mapView.removeLayer(poiMapLayer);
 			}
@@ -659,7 +660,7 @@ public class MapActivity extends Activity implements IMapLocationListener, Senso
 		
 		if(mapView.getLayers().contains(favoritesLayer) != OsmandSettings.isShowingFavorites(this)){
 			if(OsmandSettings.isShowingFavorites(this)){
-				mapView.addLayer(favoritesLayer, routeLayer);
+				mapView.addLayer(favoritesLayer, 4);
 			} else {
 				mapView.removeLayer(favoritesLayer);
 			}
@@ -667,6 +668,14 @@ public class MapActivity extends Activity implements IMapLocationListener, Senso
 		
 	}
 	
+	private void updateMapSource(ITileSource newSource){
+		if(mapView.getMap() instanceof SQLiteTileSource){
+			((SQLiteTileSource)mapView.getMap()).closeDB();
+		}
+		ResourceManager.getResourceManager().setMapSource(newSource);
+		mapView.setMap(newSource);
+	}
+	
 	@Override
 	protected void onResume() {
 		super.onResume();
@@ -679,11 +688,7 @@ public class MapActivity extends Activity implements IMapLocationListener, Senso
 		routingHelper = RoutingHelper.getInstance(this);
 		ITileSource source = OsmandSettings.getMapTileSource(this);
 		if(!Algoritms.objectEquals(mapView.getMap(), source)){
-			if(mapView.getMap() instanceof SQLiteTileSource){
+			updateMapSource(source);
-				((SQLiteTileSource)mapView.getMap()).closeDB();
-			}
-			ResourceManager.getResourceManager().setMapSource(source);
-			mapView.setMap(source);
 		}
 		
 		updateApplicationModeSettings();
@@ -1097,7 +1102,8 @@ public class MapActivity extends Activity implements IMapLocationListener, Senso
 			@Override
 			public void onClick(DialogInterface dialog, int item, boolean isChecked) {
 				if (item == 0) {
-					// TODO show another builder with all sources
+					dialog.dismiss();
+					selectMapLayer();
 				} else if(item == 1){
 					if(isChecked){
 						selectPOIFilterLayer();
@@ -1153,6 +1159,24 @@ public class MapActivity extends Activity implements IMapLocationListener, Senso
 		builder.show();
 	}
 	
+	private void selectMapLayer(){
+		Map<String, String> entriesMap = SettingsActivity.getTileSourceEntries();
+		Builder builder = new AlertDialog.Builder(this);
+		final ArrayList<String> keys = new ArrayList<String>(entriesMap.keySet());
+		builder.setItems(entriesMap.values().toArray(new String[entriesMap.size()]), new DialogInterface.OnClickListener(){
+			@Override
+			public void onClick(DialogInterface dialog, int which) {
+				Editor edit = OsmandSettings.getWriteableEditor(MapActivity.this);
+				edit.putString(OsmandSettings.MAP_TILE_SOURCES, keys.get(which));
+				edit.commit();
+				updateMapSource(OsmandSettings.getMapTileSource(MapActivity.this));
+				mapView.refreshMap();
+			}
+			
+		});
+		builder.show();
+	}
+
     
     public void contextMenuPoint(final double latitude, final double longitude, boolean menu){
     	Builder builder = new AlertDialog.Builder(this);

OsmAnd/src/com/osmand/activities/SettingsActivity.java

@@ -1,9 +1,10 @@
 package com.osmand.activities;
 
 import java.io.File;
-import java.util.ArrayList;
+import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 
 import android.app.ProgressDialog;
@@ -302,32 +303,15 @@ public class SettingsActivity extends PreferenceActivity implements OnPreference
 		maxLevelToDownload.setValue(OsmandSettings.getMaximumLevelToDownloadTile(this)+""); //$NON-NLS-1$
 		
 
-		List<TileSourceTemplate> list = TileSourceManager.getKnownSourceTemplates();
+		Map<String, String> entriesMap = getTileSourceEntries();
-		List<File> sqLiteFiles = new ArrayList<File>();
+		entries = new String[entriesMap.size()];
-		
+		valueEntries = new String[entriesMap.size()];
-		File dir = new File(Environment.getExternalStorageDirectory(), ResourceManager.TILES_PATH);
+		int ki = 0;
-		if (dir != null) {
+		for(Map.Entry<String, String> es : entriesMap.entrySet()){
-			for (File f : dir.listFiles()) {
+			entries[ki] = es.getValue();
-				if (f.getName().endsWith(SQLiteTileSource.EXT)) {
+			valueEntries[ki] = es.getKey();
-					sqLiteFiles.add(f);
+			ki++;
 		}
-			}
-		}
-		
-		entries = new String[list.size() + sqLiteFiles.size()];
-		valueEntries = new String[list.size() + sqLiteFiles.size()];
-		for (int i = 0; i < list.size(); i++) {
-			entries[i + sqLiteFiles.size()] = list.get(i).getName();
-			valueEntries[i  + sqLiteFiles.size()] = list.get(i).getName();
-		}
-		for (int i = 0; i < sqLiteFiles.size(); i++) {
-			String n = sqLiteFiles.get(i).getName();
-			entries[i] = n.substring(0, n.indexOf('.'));
-			valueEntries[i] = sqLiteFiles.get(i).getName();
-		}
-		
-		
-		
 
 		tileSourcePreference.setEntries(entries);
 		tileSourcePreference.setEntryValues(valueEntries);
@@ -340,6 +324,25 @@ public class SettingsActivity extends PreferenceActivity implements OnPreference
 		tileSourcePreference.setSummary(summary + mapName);
     }
     
+    public static Map<String, String> getTileSourceEntries(){
+    	
+		Map<String, String> map = new LinkedHashMap<String, String>();
+		File dir = new File(Environment.getExternalStorageDirectory(), ResourceManager.TILES_PATH);
+		if (dir != null && dir.canRead()) {
+			for (File f : dir.listFiles()) {
+				if (f.getName().endsWith(SQLiteTileSource.EXT)) {
+					String n = f.getName();
+					map.put(f.getName(), n.substring(0, n.indexOf('.')));
+				}
+			}
+		}
+		for(TileSourceTemplate l : TileSourceManager.getKnownSourceTemplates()){
+			map.put(l.getName(), l.getName());
+		}
+		return map;
+		
+    }
+    
 
 	@Override
 	public boolean onPreferenceChange(Preference preference, Object newValue) {

OsmAnd/src/com/osmand/views/OsmandMapTileView.java

@@ -2,7 +2,9 @@ package com.osmand.views;
 
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import org.apache.commons.logging.Log;
 
@@ -89,6 +91,7 @@ public class OsmandMapTileView extends SurfaceView implements IMapDownloaderCall
 	private OnTrackBallListener trackBallDelegate;
 	
 	private List<OsmandMapLayer> layers = new ArrayList<OsmandMapLayer>();
+	private Map<OsmandMapLayer, Float> zOrders = new HashMap<OsmandMapLayer, Float>();
 	
 	// UI Part
 	// handler to refresh map (in ui thread - not necessary in ui thread, but msg queue is desirable). 
@@ -172,23 +175,23 @@ public class OsmandMapTileView extends SurfaceView implements IMapDownloaderCall
 	public void surfaceDestroyed(SurfaceHolder holder) {
 	}
 	
-	public void addLayer(OsmandMapLayer layer, OsmandMapLayer afterIt){
-		layer.initLayer(this);
-		int i = layers.indexOf(afterIt);
-		if(i == -1){
-			layers.add(layer);
-		} else {
-			layers.add(i, layer);
-		}
-	}
 	
-	public void addLayer(OsmandMapLayer layer){
+	
+	public void addLayer(OsmandMapLayer layer, float zOrder){
+		int i=0;
+		for(i=0; i<layers.size(); i++){
+			if(zOrders.get(layers.get(i)) > zOrder){
+				break;
+			}
+		}
 		layer.initLayer(this);
-		layers.add(layer);
+		layers.add(i, layer);
+		zOrders.put(layer, zOrder);
 	}
 	
 	public void removeLayer(OsmandMapLayer layer){
 		layers.remove(layer);
+		zOrders.remove(layer);
 		layer.destroyLayer();
 	}