altosdroid: Select tracker by clicking on map

[fw/altos] / altosdroid / src / org / altusmetrum / AltosDroid / AltosMapOffline.java

diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/AltosMapOffline.java b/altosdroid/src/org/altusmetrum/AltosDroid/AltosMapOffline.java
index 3ff6ff25add55c533f95d0fcfac86a0075686e31..12dd2f252c74e9130f6224006511fe762c52e1cd 100644 (file)
--- a/altosdroid/src/org/altusmetrum/AltosDroid/AltosMapOffline.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/AltosMapOffline.java
@@ -36,7 +36,9 @@ import android.util.*;
 class Rocket implements Comparable {
        AltosLatLon     position;
        String          name;
+       int             serial;
        long            last_packet;
+       boolean         active;
        AltosMapOffline map_offline;
 
        void paint() {
@@ -49,14 +51,18 @@ class Rocket implements Comparable {
                this.last_packet = last_packet;
        }
 
-       Rocket(String name, AltosMapOffline map_offline) {
-               this.name = name;
-               this.map_offline = map_offline;
+       void set_active(boolean active) {
+               this.active = active;
        }
 
        public int compareTo(Object o) {
                Rocket other = (Rocket) o;
 
+               if (active && !other.active)
+                       return 1;
+               if (other.active && !active)
+                       return -1;
+
                long    diff = last_packet - other.last_packet;
 
                if (diff > 0)
@@ -65,12 +71,19 @@ class Rocket implements Comparable {
                        return -1;
                return 0;
        }
+
+       Rocket(int serial, AltosMapOffline map_offline) {
+               this.serial = serial;
+               this.name = String.format("%d", serial);
+               this.map_offline = map_offline;
+       }
 }
 
 public class AltosMapOffline extends View implements ScaleGestureDetector.OnScaleGestureListener, AltosMapInterface, AltosDroidMapInterface {
        ScaleGestureDetector    scale_detector;
        boolean                 scaling;
        AltosMap                map;
+       AltosDroid              altos_droid;
 
        AltosLatLon     here;
        AltosLatLon     pad;
@@ -236,6 +249,24 @@ public class AltosMapOffline extends View implements ScaleGestureDetector.OnScal
        public void set_zoom_label(String label) {
        }
 
+       public void select_object(AltosLatLon latlon) {
+               if (map.transform == null)
+                       return;
+               for (Rocket rocket : sorted_rockets()) {
+                       if (rocket.position == null) {
+                               debug("rocket %d has no position\n", rocket.serial);
+                               continue;
+                       }
+                       double distance = map.transform.hypot(latlon, rocket.position);
+                       debug("check select %d distance %g width %d\n", rocket.serial, distance, rocket_bitmap.getWidth());
+                       if (distance < rocket_bitmap.getWidth() * 2.0) {
+                               debug("selecting %d\n", rocket.serial);
+                               altos_droid.select_tracker(rocket.serial);
+                               break;
+                       }
+               }
+       }
+
        class Line {
                AltosLatLon     a, b;
 
@@ -295,16 +326,20 @@ public class AltosMapOffline extends View implements ScaleGestureDetector.OnScal
                }
        }
 
+       private Rocket[] sorted_rockets() {
+               Rocket[]        rocket_array = rockets.values().toArray(new Rocket[0]);
+
+               Arrays.sort(rocket_array);
+               return rocket_array;
+       }
+
        private void draw_positions() {
                line.set_a(map.last_position);
                line.set_b(here);
                line.paint();
                draw_bitmap(pad, pad_bitmap, pad_off_x, pad_off_y);
 
-               Rocket[]        rocket_array = rockets.values().toArray(new Rocket[0]);
-
-               Arrays.sort(rocket_array);
-               for (Rocket rocket : rocket_array)
+               for (Rocket rocket : sorted_rockets())
                        rocket.paint();
                draw_bitmap(here, here_bitmap, here_off_x, here_off_y);
        }
@@ -379,6 +414,8 @@ public class AltosMapOffline extends View implements ScaleGestureDetector.OnScal
                        map.touch_start((int) event.getX(), (int) event.getY(), true);
                } else if (event.getAction() == MotionEvent.ACTION_MOVE) {
                        map.touch_continue((int) event.getX(), (int) event.getY(), true);
+               } else if (event.getAction() == MotionEvent.ACTION_UP) {
+                       map.touch_stop((int) event.getX(), (int) event.getY(), true);
                }
                return true;
        }
@@ -425,11 +462,13 @@ public class AltosMapOffline extends View implements ScaleGestureDetector.OnScal
                                if (rockets.containsKey(serial))
                                        rocket = rockets.get(serial);
                                else {
-                                       rocket = new Rocket(String.format("%d", serial), this);
+                                       rocket = new Rocket(serial, this);
                                        rockets.put(serial, rocket);
                                }
                                if (t_state.gps != null)
                                        rocket.set_position(new AltosLatLon(t_state.gps.lat, t_state.gps.lon), t_state.received_time);
+                               if (state != null)
+                                       rocket.set_active(state.serial == serial);
                        }
                }
                if (receiver != null) {
@@ -437,9 +476,10 @@ public class AltosMapOffline extends View implements ScaleGestureDetector.OnScal
                }
        }
 
-       public void onCreateView(int map_type) {
+       public void onCreateView(AltosDroid altos_droid) {
+               this.altos_droid = altos_droid;
                map = new AltosMap(this);
-               map.set_maptype(map_type);
+               map.set_maptype(altos_droid.map_type);
 
                pad_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.pad);
                /* arrow at the bottom of the launchpad image */
@@ -464,6 +504,7 @@ public class AltosMapOffline extends View implements ScaleGestureDetector.OnScal
 
        public AltosMapOffline(Context context, AttributeSet attrs) {
                super(context, attrs);
+               this.altos_droid = altos_droid;
                scale_detector = new ScaleGestureDetector(context, this);
        }
 }