Fixed 'undo' glitches with complex mission items.

Author: m4gr3d

Android/src/org/droidplanner/android/proxy/mission/MissionProxy.java

@@ -77,7 +77,7 @@ public void onReceive(Context context, Intent intent) {
     private final Drone.OnMissionItemsBuiltCallback missionItemsBuiltListener = new Drone.OnMissionItemsBuiltCallback() {
         @Override
         public void onMissionItemsBuilt(MissionItem.ComplexItem[] complexItems) {
-            notifyMissionUpdate();
+            notifyMissionUpdate(false);
         }
     };
 
@@ -121,7 +121,7 @@ public void undoMission() {
         load(previousMission, false);
     }
 
-    private void notifyMissionUpdate(boolean saveMission) {
+    public void notifyMissionUpdate(boolean saveMission) {
         if (saveMission && currentMission != null) {
             //Store the current state of the mission.
             undoBuffer.add(currentMission);
@@ -633,6 +633,7 @@ public List<LatLong> getVisibleCoords() {
     public void movePolygonPoint(Survey survey, int index, LatLong position) {
         survey.getPolygonPoints().get(index).set(position);
         this.drone.buildMissionItemsAsync(missionItemsBuiltListener, survey);
+        notifyMissionUpdate();
     }
 
     public static List<LatLong> getVisibleCoords(List<MissionItemProxy> mipList) {

Android/src/org/droidplanner/android/proxy/mission/item/MissionItemProxy.java

@@ -26,7 +26,7 @@ public class MissionItemProxy {
     private final Drone.OnMissionItemsBuiltCallback missionItemBuiltListener = new Drone.OnMissionItemsBuiltCallback() {
         @Override
         public void onMissionItemsBuilt(MissionItem.ComplexItem[] complexItems) {
-            mMission.notifyMissionUpdate();
+            mMission.notifyMissionUpdate(false);
         }
     };