add zoom in/out

git-svn-id: https://osmand.googlecode.com/svn/trunk@19 e29c36b1-1cfa-d876-8d93-3434fc2bb7b8

DataExtractionOSM/src/com/osmand/DataExtraction.java

@@ -419,7 +419,7 @@ public class DataExtraction implements IMapLocationListener {
 	}
 	
 	@Override
-	public void locationChanged(final double newLatitude, final double newLongitude){
+	public void locationChanged(final double newLatitude, final double newLongitude, Object source){
 		Region reg = (Region) amenitiesTree.getUserObject();
 		List<Node> closestAmenities = reg.getClosestAmenities(newLatitude, newLongitude);
 		Collections.sort(closestAmenities, new Comparator<Node>(){

DataExtractionOSM/src/com/osmand/IMapLocationListener.java

@@ -1,5 +1,5 @@
 package com.osmand;
 
 public interface IMapLocationListener {
-	void locationChanged(double newLatitude, double newLongitude);
+	void locationChanged(double newLatitude, double newLongitude, Object source);
 }

DataExtractionOSM/src/com/osmand/MapPanel.java

@@ -70,9 +70,9 @@ public class MapPanel extends JPanel {
 	private int zoom = 15;
 	
 	// degree measurements (-180, 180)
-	// äîëãîòà
+	// долгота
 	private double longitude = 27.56;
-	// øèðîòà
+	// широта
 	// degree measurements (90, -90)
 	private double latitude = 53.9;
 	
@@ -288,7 +288,7 @@ public class MapPanel extends JPanel {
 	
 	protected void fireMapLocationListeners(){
 		for(IMapLocationListener l : listeners){
-			l.locationChanged(latitude, longitude);
+			l.locationChanged(latitude, longitude, null);
 		}
 	}
 	

OsmAnd/AndroidManifest.xml

@@ -3,8 +3,8 @@
       package="com.osmand"
       android:versionCode="1"
       android:versionName="1.0">
-    <application android:icon="@drawable/icon" android:label="@string/app_name">
+    <application android:icon="@drawable/icon" android:label="@string/app_name" android:debuggable="true">
-        <activity android:name=".StartActivity"
+        <activity android:name=".MapActivity"
                   android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -15,4 +15,8 @@
     </application>
 
 
+<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
+<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
+
+
 </manifest> 

OsmAnd/res/layout/main.xml

@@ -1,14 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
     >
-<ZoomControls android:id="@+id/ZoomControls01" android:layout_width="wrap_content" android:layout_height="wrap_content"></ZoomControls><TextView  
+<com.osmand.OsmandMapTileView android:id="@+id/View01" android:layout_width="wrap_content" android:layout_height="wrap_content"></com.osmand.OsmandMapTileView>
-    android:layout_width="fill_parent" 
+<com.osmand.PointOfView android:id="@+id/PointOfView" android:layout_width="wrap_content" android:layout_height="wrap_content"></com.osmand.PointOfView>
-    android:layout_height="wrap_content" 
+<ZoomControls android:id="@+id/ZoomControls01"
-    android:text="@string/hello"
+		android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="bottom|right"></ZoomControls>
-    />
-<SurfaceView android:id="@+id/SurfaceView01" android:layout_width="fill_parent" android:layout_height="fill_parent"></SurfaceView>
 		
-</LinearLayout>
+
+
+<ImageButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="top|right" android:id="@+id/BackToLocation" android:background="@drawable/icon"></ImageButton>
+</FrameLayout>

OsmAnd/src/com/osmand/MapActivity.java

@@ -0,0 +1,146 @@
+package com.osmand;
+
+import java.io.File;
+
+import android.app.Activity;
+import android.location.Location;
+import android.location.LocationListener;
+import android.location.LocationManager;
+import android.os.Bundle;
+import android.os.Environment;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.ImageButton;
+import android.widget.ZoomControls;
+
+import com.osmand.osm.MapUtils;
+
+public class MapActivity extends Activity implements LocationListener, IMapLocationListener {
+    /** Called when the activity is first created. */
+	private OsmandMapTileView mapView;
+	
+	private boolean linkLocationWithMap = true; 
+	
+	private Location lastKnownLocation = null;
+
+	private ImageButton backToLocation;
+
+	private PointOfView pointOfView;
+	
+	
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+
+		setContentView(R.layout.main);
+		
+		mapView = (OsmandMapTileView) findViewById(R.id.View01);
+		mapView.setFileWithTiles(new File(Environment.getExternalStorageDirectory(), "osmand/tiles/Mapnik"));
+		mapView.addMapLocationListener(this);
+		
+		ZoomControls zoomControls = (ZoomControls) findViewById(R.id.ZoomControls01);
+		zoomControls.setOnZoomInClickListener(new OnClickListener() {
+			@Override
+			public void onClick(View v) {
+				mapView.setZoom(mapView.getZoom() + 1);
+			}
+		});
+		zoomControls.setOnZoomOutClickListener(new OnClickListener() {
+			@Override
+			public void onClick(View v) {
+				mapView.setZoom(mapView.getZoom() - 1);
+			}
+		});
+		
+		pointOfView = (PointOfView)findViewById(R.id.PointOfView);
+		
+		backToLocation = (ImageButton)findViewById(R.id.BackToLocation);
+		backToLocation.setVisibility(linkLocationWithMap ? View.INVISIBLE : View.VISIBLE);
+		backToLocation.setOnClickListener(new OnClickListener(){
+			@Override
+			public void onClick(View v) {
+				if(!linkLocationWithMap){
+					linkLocationWithMap = true;
+					backToLocation.setVisibility(View.INVISIBLE);
+					if(lastKnownLocation != null){
+						mapView.setLatLon(lastKnownLocation.getLatitude(), lastKnownLocation.getLongitude());
+					}
+				}
+			}
+			
+		});
+		
+		LocationManager service = (LocationManager) getSystemService(LOCATION_SERVICE);
+		service.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 0, this);
+		service.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 1000, 0, this);
+		
+	}
+
+
+	@Override
+	public void onLocationChanged(Location location) {
+		lastKnownLocation = location;
+		if(linkLocationWithMap){
+			mapView.setLatLon(location.getLatitude(), location.getLongitude());
+		} 
+		validatePointOfView();
+	}
+
+	@Override
+	public void onProviderDisabled(String provider) {
+		// TODO when provider disabled reset lastKnownLocation!
+		
+	}
+
+	@Override
+	public void onProviderEnabled(String provider) {
+	}
+
+	@Override
+	public void onStatusChanged(String provider, int status, Bundle extras) {
+	}
+	
+	public void validatePointOfView(){
+		if(lastKnownLocation == null){
+			if(pointOfView.isVisible()){
+				pointOfView.setLocationX(-1);
+				pointOfView.setLocationY(-1);
+				pointOfView.setAreaRadius(0);
+				pointOfView.invalidate();
+			}
+		} else {
+			int newX = MapUtils.getPixelShiftX(mapView.getZoom(), 
+					lastKnownLocation.getLongitude(), mapView.getLongitude(), mapView.getTileSize()) + 
+					mapView.getWidth()/2;
+			int newY = MapUtils.getPixelShiftY(mapView.getZoom(), 
+					lastKnownLocation.getLatitude(), mapView.getLatitude() , mapView.getTileSize()) + 
+					mapView.getHeight()/2;
+			// TODO clear radius & specify bearing!
+			double tileNumberX = MapUtils.getTileNumberX(mapView.getZoom(), mapView.getLongitude());
+			double tileNumberLeft = tileNumberX - ((double)mapView.getWidth()) / (2d * mapView.getTileSize());
+			double dist = MapUtils.getDistance(mapView.getLatitude(), 
+					MapUtils.getLongitudeFromTile(mapView.getZoom(),tileNumberLeft), mapView.getLatitude(), 
+					MapUtils.getLongitudeFromTile(mapView.getZoom(),tileNumberX));
+			
+			int radius = (int) ((mapView.getWidth()/ (2d*dist))* lastKnownLocation.getAccuracy());
+			
+			
+			pointOfView.setLocationX(newX);
+			pointOfView.setLocationY(newY);
+			pointOfView.setAreaRadius(radius);
+			pointOfView.invalidate();
+		}
+	}
+
+
+	@Override
+	public void locationChanged(double newLatitude, double newLongitude, Object source) {
+		// when user 
+		if(source == mapView && lastKnownLocation != null){
+			linkLocationWithMap = false;
+			backToLocation.setVisibility(View.VISIBLE);
+		}
+		validatePointOfView();
+	}    
+    
+}

OsmAnd/src/com/osmand/OsmandMapTileView.java

@@ -15,6 +15,7 @@ import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.PointF;
 import android.graphics.Paint.Style;
+import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
 
@@ -42,9 +43,9 @@ public class OsmandMapTileView extends View {
 	private int zoom = 15;
 	
 	// degree measurements (-180, 180)
-	// äîëãîòà
+	// долгота
 	private double longitude = 27.56;
-	// øèðîòà
+	// широта
 	// degree measurements (90, -90)
 	private double latitude = 53.9;
 	
@@ -67,9 +68,18 @@ public class OsmandMapTileView extends View {
 	Paint paintWhiteFill;
 	Paint paintBlack;
 	
-	public OsmandMapTileView(Context context, File fileWithTiles) {
+	
+	public OsmandMapTileView(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		initView();
+	}
+	
+	public OsmandMapTileView(Context context) {
 		super(context);
-		this.fileWithTiles = fileWithTiles;
+		initView();
+	}
+	
+	public void initView(){
 		paintGrayFill = new Paint();
 		paintGrayFill.setColor(Color.GRAY);
 		paintGrayFill.setStyle(Style.FILL);
@@ -84,10 +94,6 @@ public class OsmandMapTileView extends View {
 		
 		prepareImage();
 		setClickable(true);
-		// TODO !!!!
-//		MapMouseAdapter mouse = new MapMouseAdapter();
-//		addMouseListener(mouse);
-//		addMouseMotionListener(mouse);
 	}
 	
 	
@@ -96,9 +102,10 @@ public class OsmandMapTileView extends View {
 	public void dragTo(PointF p){
 		double dx = (startDragging.x - (double)p.x)/tileSize; 
 		double dy = (startDragging.y - (double)p.y)/tileSize;
-		double lat = MapUtils.getLatitudeFromTile(zoom, getYTile() + dy);
+		this.latitude = MapUtils.getLatitudeFromTile(zoom, getYTile() + dy);
-		double lon = MapUtils.getLongitudeFromTile(zoom, getXTile() + dx);
+		this.longitude = MapUtils.getLongitudeFromTile(zoom, getXTile() + dx);
-		setLatLon(lat, lon);
+		prepareImage();
+		fireMapLocationListeners(this);
 	}
 	
 	@Override
@@ -110,7 +117,6 @@ public class OsmandMapTileView extends View {
 		} else if(event.getAction() == MotionEvent.ACTION_UP) {
 			if(startDragging != null){
 				dragTo(new PointF(event.getX(), event.getY()));
-				fireMapLocationListeners();
 				startDragging = null;
 			}
 		} else if(event.getAction() == MotionEvent.ACTION_MOVE) {
@@ -134,11 +140,14 @@ public class OsmandMapTileView extends View {
 	protected void drawEmptyTile(Canvas cvs, int x, int y){
 		int tileDiv = tileSize / emptyTileDivisor;
 		for (int k1 = 0; k1 < emptyTileDivisor; k1++) {
+			
 			for (int k2 = 0; k2 < emptyTileDivisor; k2++) {
+				int xk = x + tileDiv* k1;
+				int yk = y + tileDiv* k2;
 				if ((k1 + k2) % 2 == 0) {
-					cvs.drawRect(x, y, x + tileDiv, y + tileDiv, paintGrayFill);
+					cvs.drawRect(xk, yk, xk + tileDiv, yk + tileDiv, paintGrayFill);
 				} else {
-					cvs.drawRect(x, y, x + tileDiv, y + tileDiv, paintWhiteFill);
+					cvs.drawRect(xk, yk, xk + tileDiv, yk + tileDiv, paintWhiteFill);
 				}
 			}
 		}
@@ -165,7 +174,7 @@ public class OsmandMapTileView extends View {
  
 	public Bitmap getImageFor(int x, int y) {
 		String file = "/" + zoom + "/" + (x) + "/" + y + ".png";
-		if (!cacheOfImages.containsKey(file)) {
+		if (!cacheOfImages.containsKey(file) && fileWithTiles != null) {
 			File en = new File(fileWithTiles, file);
 			if (cacheOfImages.size() > maxImgCacheSize) {
 				ArrayList<String> list = new ArrayList<String>(cacheOfImages.keySet());
@@ -189,6 +198,7 @@ public class OsmandMapTileView extends View {
 	@Override
 	protected void onSizeChanged(int w, int h, int oldw, int oldh) {
 		prepareImage();
+		super.onSizeChanged(w, h, oldw, oldh);
 	}
 	
 	// TODO async loading images (show busy cursor while it is loaded)
@@ -225,13 +235,14 @@ public class OsmandMapTileView extends View {
 	
 	public void setFileWithTiles(File fileWithTiles) {
 		this.fileWithTiles = fileWithTiles;
+		prepareImage();
 	}
 
 	public void setLatLon(double latitude, double longitude){
 		this.latitude = latitude;
 		this.longitude = longitude;
 		prepareImage();
-		fireMapLocationListeners();
+		fireMapLocationListeners(null);
 	}
 	
 	public double getLatitude() {
@@ -246,6 +257,10 @@ public class OsmandMapTileView extends View {
 		return zoom;
 	}
 	
+	public int getTileSize() {
+		return tileSize;
+	}
+	
 
 	public void addMapLocationListener(IMapLocationListener l){
 		listeners.add(l);
@@ -255,103 +270,13 @@ public class OsmandMapTileView extends View {
 		listeners.remove(l);
 	}
 	
-	protected void fireMapLocationListeners(){
+	protected void fireMapLocationListeners(Object source){
 		for(IMapLocationListener l : listeners){
-			l.locationChanged(latitude, longitude);
+			l.locationChanged(latitude, longitude, source);
 		}
 	}
 
-//	
+
-//	@Override
-//	protected void processKeyEvent(KeyEvent e) {
-//		boolean processed = false;
-//		if (e.getID() == KeyEvent.KEY_RELEASED) {
-//			if (e.getKeyCode() == 37) {
-//				// LEFT button
-//				longitude = MapUtils.getLongitudeFromTile(zoom, getXTile()-0.5); 
-//				processed = true;
-//			} else if (e.getKeyCode() == 39) {
-//				// RIGHT button
-//				longitude = MapUtils.getLongitudeFromTile(zoom, getXTile()+0.5);
-//				processed = true;
-//			} else if (e.getKeyCode() == 38) {
-//				// UP button
-//				latitude = MapUtils.getLatitudeFromTile(zoom, getYTile()-0.5);
-//				processed = true;
-//			} else if (e.getKeyCode() == 40) {
-//				// DOWN button
-//				latitude = MapUtils.getLatitudeFromTile(zoom, getYTile()+0.5);
-//				processed = true;
-//			}
-//		}
-//		if(e.getID() == KeyEvent.KEY_TYPED){
-//			if(e.getKeyChar() == '+'){
-//				zoom ++;
-//				processed = true;
-//			} else if(e.getKeyChar() == '-'){
-//				zoom --;
-//				processed = true;
-//			}
-//		}
-//		
-//		if(processed){
-//			e.consume();
-//			prepareImage();
-//			fireMapLocationListeners();
-//		}
-//		super.processKeyEvent(e);
-//	}
-//	
-//	
-//	public class MapMouseAdapter extends MouseAdapter {
-//		private Point startDragging = null;
-//		
-//		@Override
-//		public void mouseClicked(MouseEvent e) {
-//			if(e.getButton() == MouseEvent.BUTTON1){
-//				requestFocus();
-//			}
-//		}
-//		
-//		public void dragTo(Point p){
-//			double dx = (startDragging.x - (double)p.x)/tileSize; 
-//			double dy = (startDragging.y - (double)p.y)/tileSize;
-//			double lat = MapUtils.getLatitudeFromTile(zoom, getYTile() + dy);
-//			double lon = MapUtils.getLongitudeFromTile(zoom, getXTile() + dx);
-//			setLatLon(lat, lon);
-//		}
-//		
-//		@Override
-//		public void mouseDragged(MouseEvent e) {
-//			if(startDragging != null){
-//				if(Math.abs(e.getPoint().x - startDragging.x) +  Math.abs(e.getPoint().y - startDragging.y) >= 8){
-//					dragTo(e.getPoint());
-//					startDragging = e.getPoint();
-//				}
-//			}
-//		}
-//		
-//		@Override
-//		public void mousePressed(MouseEvent e) {
-//			if(e.getButton() == MouseEvent.BUTTON3){
-//				if(startDragging == null){
-//					startDragging  = e.getPoint();
-//				}
-//			}
-//		}
-//		@Override
-//		public void mouseReleased(MouseEvent e) {
-//			if(e.getButton() == MouseEvent.BUTTON3){
-//				if(startDragging != null){
-//					dragTo(e.getPoint());
-//					fireMapLocationListeners();
-//					startDragging = null;
-//				}
-//			}
-//			super.mouseReleased(e);
-//		}
-//
-//	}
 
 
 }

OsmAnd/src/com/osmand/PointOfView.java

@@ -0,0 +1,78 @@
+package com.osmand;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.util.AttributeSet;
+import android.view.View;
+
+public class PointOfView extends View {
+	private Paint location;
+	private Paint area;
+	
+	private int areaRadius = 0;
+	private int locationX = -1;
+	private int locationY = -1;
+
+	public PointOfView(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		initUI();
+	}
+	
+	public PointOfView(Context context) {
+		super(context);
+		initUI();
+	}
+	
+	private void initUI() {
+		location = new Paint();
+		location.setColor(Color.BLUE);
+		location.setAlpha(150);
+		location.setAntiAlias(true);
+		
+		area = new Paint();
+		area.setColor(Color.BLUE);
+		area.setAlpha(40);		
+	}
+	
+	
+	@Override
+	protected void onDraw(Canvas canvas) {
+		if(locationX >= 0 && locationY >=0){
+			canvas.drawCircle(locationX, locationY, 4, location);
+		}
+		if(areaRadius > 4){
+			canvas.drawCircle(locationX, locationY, areaRadius, area);
+		}
+	}
+	
+	public void setLocationX(int locationX) {
+		this.locationX = locationX;
+	}
+	
+	public void setLocationY(int locationY) {
+		this.locationY = locationY;
+	}
+	
+	public int getLocationX() {
+		return locationX;
+	}
+	
+	public int getLocationY() {
+		return locationY;
+	}
+	
+	public int getAreaRadius() {
+		return areaRadius;
+	}
+	
+	public boolean isVisible() {
+		return locationX >= 0 && locationY >= 0;
+	}
+	
+	public void setAreaRadius(int areaRadius) {
+		this.areaRadius = areaRadius;
+	}
+
+}

OsmAnd/src/com/osmand/StartActivity.java

@@ -1,22 +0,0 @@
-package com.osmand;
-
-import java.io.File;
-
-import android.app.Activity;
-import android.os.Bundle;
-import android.os.Environment;
-
-public class StartActivity extends Activity {
-    /** Called when the activity is first created. */
-	
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-		super.onCreate(savedInstanceState);
-
-		// SurfaceView surf = (SurfaceView) findViewById(R.id.SurfaceView01);
-		setContentView(new OsmandMapTileView(this, new File(Environment.getExternalStorageDirectory(), "osmand/tiles/Mapnik")));
-		// setContentView(R.layout.main);
-	}
-    
-    
-}