Add way to track drawn Markers on map and delete/move them. Delete not implemented for BasicDrawing.

src/main/org/insa/graphics/drawing/BasicDrawing.java

@@ -36,6 +36,35 @@ public class BasicDrawing extends JPanel implements Drawing {
      */
     private static final long serialVersionUID = 96779785877771827L;
 
+    public class BasicMarkerTracker implements MarkerTracker {
+
+        // Point of the marker.
+        private Point point;
+
+        // Color of the "marker".
+        private Color color;
+
+        public BasicMarkerTracker(Point point, Color color) {
+            this.point = point;
+            this.color = color;
+        }
+
+        @Override
+        public Point getPoint() {
+            return point;
+        }
+
+        @Override
+        public void moveTo(Point point) {
+            BasicDrawing.this.drawMarker(point, color);
+        }
+
+        @Override
+        public void delete() {
+        }
+
+    };
+
     // Default path color.
     public static final Color DEFAULT_PATH_COLOR = new Color(255, 0, 255);
 
@@ -215,14 +244,15 @@ public class BasicDrawing extends JPanel implements Drawing {
     }
 
     @Override
-    public void drawMarker(Point point) {
+    public MarkerTracker drawMarker(Point point) {
         drawPoint(point, DEFAULT_MARKER_WIDTH, this.gr.getColor());
+        return new BasicMarkerTracker(point, this.gr.getColor());
     }
 
     @Override
-    public void drawMarker(Point point, Color color) {
+    public MarkerTracker drawMarker(Point point, Color color) {
         setColor(color);
-        drawMarker(point);
+        return drawMarker(point);
     }
 
     @Override

src/main/org/insa/graphics/drawing/Drawing.java

@@ -61,14 +61,14 @@ public interface Drawing {
      * 
      * @param point
      */
-    public void drawMarker(Point point);
+    public MarkerTracker drawMarker(Point point);
 
     /**
      * Draw the given point with the given color.
      * 
      * @param point
      */
-    public void drawMarker(Point point, Color color);
+    public MarkerTracker drawMarker(Point point, Color color);
 
     /**
      * Draw a point width the given width and color. Do not use this to mark
@@ -100,8 +100,7 @@ public interface Drawing {
      * 
      * @param path
      * @param color
-     * @param markers
-     *            Show origin and destination markers.
+     * @param markers Show origin and destination markers.
      */
     public void drawPath(Path path, Color color, boolean markers);
 
@@ -118,8 +117,7 @@ public interface Drawing {
      * 
      * 
      * @param path
-     * @param markers
-     *            Show origin and destination markers.
+     * @param markers Show origin and destination markers.
      */
     public void drawPath(Path path, boolean markers);
 

src/main/org/insa/graphics/drawing/MapViewDrawing.java

@@ -45,6 +45,36 @@ public class MapViewDrawing extends MapView implements Drawing {
      */
     private static final long serialVersionUID = 8606967833704938092L;
 
+    public class MapViewMarkerTracker implements MarkerTracker {
+
+        // Marker associated.
+        private Marker marker;
+
+        public MapViewMarkerTracker(Marker marker) {
+            this.marker = marker;
+        }
+
+        @Override
+        public Point getPoint() {
+            return new Point(marker.getLatLong().getLongitude(), marker.getLatLong().getLatitude());
+        }
+
+        @Override
+        public void moveTo(Point point) {
+            this.delete();
+            Marker marker = new Marker(convertPoint(point), this.marker.getBitmap(), this.marker.getHorizontalOffset(),
+                    this.marker.getVerticalOffset());
+            this.marker = marker;
+            MapViewDrawing.this.getLayerManager().getLayers().add(this.marker);
+        }
+
+        @Override
+        public void delete() {
+            MapViewDrawing.this.getLayerManager().getLayers().remove(marker);
+        }
+
+    };
+
     // Default path color.
     public static final Color DEFAULT_PATH_COLOR = new Color(66, 134, 244);
 
@@ -160,15 +190,16 @@ public class MapViewDrawing extends MapView implements Drawing {
     }
 
     @Override
-    public void drawMarker(Point point) {
-        drawMarker(point, Color.GREEN);
+    public MarkerTracker drawMarker(Point point) {
+        return drawMarker(point, Color.GREEN);
     }
 
     @Override
-    public void drawMarker(Point point, Color color) {
+    public MarkerTracker drawMarker(Point point, Color color) {
         Bitmap bitmap = MarkerUtils.getMarkerForColor(color);
         Marker marker = new Marker(convertPoint(point), bitmap, 0, -bitmap.getHeight() / 2);
         getLayerManager().getLayers().add(marker);
+        return new MapViewMarkerTracker(marker);
     }
 
     @Override

src/main/org/insa/graphics/drawing/MarkerTracker.java

@@ -0,0 +1,22 @@
+package org.insa.graphics.drawing;
+
+import org.insa.graph.Point;
+
+public interface MarkerTracker {
+
+    /**
+     * @return The point associated with this marker.
+     */
+    public Point getPoint();
+
+    /**
+     * 
+     */
+    public void moveTo(Point point);
+
+    /**
+     * Delete this marker.
+     */
+    public void delete();
+
+}