예제 #1
0
  private void startClosestAirportTask(double x, double y) {
    // We won't be doing the airport long press under certain circumstances
    if (mDraw) {

      return;
    }

    if (null != mClosestTask) {
      mClosestTask.cancel(true);
    }
    mLongTouchDestination = null;
    mClosestTask = new ClosestAirportTask();

    double lon2, lat2;
    if (mPref.isTrackUp()) {
      double c_x = mOrigin.getOffsetX(mGpsParams.getLongitude());
      double c_y = mOrigin.getOffsetY(mGpsParams.getLatitude());
      double thetab = mGpsParams.getBearing();

      double p[];
      p = Helper.rotateCoord(c_x, c_y, thetab, x, y);
      lon2 = mOrigin.getLongitudeOf(p[0]);
      lat2 = mOrigin.getLatitudeOf(p[1]);
    } else {
      lon2 = mOrigin.getLongitudeOf(x);
      lat2 = mOrigin.getLatitudeOf(y);
    }
    mClosestTask.execute(lon2, lat2);
  }
예제 #2
0
  /**
   * @param x
   * @param y
   * @param finish
   */
  private void rubberBand(float x, float y, boolean finish) {

    // Rubberbanding
    if (mDragPlanPoint >= 0 && mService.getPlan() != null) {

      // Threshold for movement
      float movementx = Math.abs(x - mDragStartedX);
      float movementy = Math.abs(y - mDragStartedY);
      if ((movementx > MOVEMENT_THRESHOLD * mDipToPix)
          || (movementy > MOVEMENT_THRESHOLD * mDipToPix)) {
        /*
         * Do something to plan
         * This is the new location
         */
        double lon = mOrigin.getLongitudeOf(x);
        double lat = mOrigin.getLatitudeOf(y);

        mService.getPlan().replaceDestination(mPref, mDragPlanPoint, lon, lat, finish);

        // This will not snap again
        mDragStartedX = -1000;
        mDragStartedY = -1000;
      }
    }
  }
예제 #3
0
  /* (non-Javadoc)
   * @see com.ds.avare.MultiTouchController.MultiTouchObjectCanvas#setPositionAndScale(java.lang.Object, com.ds.avare.MultiTouchController.PositionAndScale, com.ds.avare.MultiTouchController.PointInfo)
   */
  public boolean setPositionAndScale(
      Object obj, PositionAndScale newObjPosAndScale, PointInfo touchPoint) {
    touchPointChanged(touchPoint);
    if (false == mCurrTouchPoint.isMultiTouch()) {

      /*
       * Do not move on drag
       */
      if (mDragPlanPoint >= 0) {
        return true;
      }

      /*
       * Do not move on multitouch
       */
      if (mDraw && mService != null) {
        float x = mCurrTouchPoint.getX() * mScale.getScaleFactor();
        float y = mCurrTouchPoint.getY() * mScale.getScaleFactor();
        /*
         * Threshold the drawing so we do not generate too many points
         */
        if (mPref.isTrackUp()) {
          double thetab = mGpsParams.getBearing();
          double p[] = new double[2];
          double c_x = mOrigin.getOffsetX(mGpsParams.getLongitude());
          double c_y = mOrigin.getOffsetY(mGpsParams.getLatitude());
          p = Helper.rotateCoord(c_x, c_y, thetab, x, y);
          mService.getDraw().addPoint((float) p[0], (float) p[1], mOrigin);
        } else {
          mService.getDraw().addPoint(x, y, mOrigin);
        }
        return true;
      }

      // Pan
      if (mPan.setMove(newObjPosAndScale.getXOff(), newObjPosAndScale.getYOff())) {
        /*
         * Query when we have moved one tile. This will happen in background.
         */
        loadTiles();
      }
    } else {

      // Zooming does not change drag
      mDragPlanPoint = -1;

      /*
       * on double touch find distance and bearing between two points.
       */

      if (mPointProjection == null) {
        double x0 = mCurrTouchPoint.getXs()[0];
        double y0 = mCurrTouchPoint.getYs()[0];
        double x1 = mCurrTouchPoint.getXs()[1];
        double y1 = mCurrTouchPoint.getYs()[1];

        double lon0, lat0, lon1, lat1;
        // convert to origin coord if Trackup
        if (mPref.isTrackUp()) {
          double c_x = mOrigin.getOffsetX(mGpsParams.getLongitude());
          double c_y = mOrigin.getOffsetY(mGpsParams.getLatitude());
          double thetab = mGpsParams.getBearing();
          double p0[], p1[];
          p0 = Helper.rotateCoord(c_x, c_y, thetab, x0, y0);
          p1 = Helper.rotateCoord(c_x, c_y, thetab, x1, y1);
          lon0 = mOrigin.getLongitudeOf(p0[0]);
          lat0 = mOrigin.getLatitudeOf(p0[1]);
          lon1 = mOrigin.getLongitudeOf(p1[0]);
          lat1 = mOrigin.getLatitudeOf(p1[1]);
        } else {
          lon0 = mOrigin.getLongitudeOf(x0);
          lat0 = mOrigin.getLatitudeOf(y0);
          lon1 = mOrigin.getLongitudeOf(x1);
          lat1 = mOrigin.getLatitudeOf(y1);
        }
        mPointProjection = new Projection(lon0, lat0, lon1, lat1);
      }

      /*
       * Clamp scaling.
       */

      mScale.setScaleFactor(newObjPosAndScale.getScale());
    }
    updateCoordinates();
    invalidate();
    return true;
  }
예제 #4
0
  /* (non-Javadoc)
   * @see android.view.View.OnTouchListener#onTouch(android.view.View, android.view.MotionEvent)
   */
  @Override
  public boolean onTouch(View view, MotionEvent e) {
    boolean bPassToGestureDetector = true;

    if (e.getAction() == MotionEvent.ACTION_UP) {

      /** Rubberbanding */
      rubberBand(e.getX(), e.getY(), true);

      /*
       * Drag stops for rubber band
       */
      mDragPlanPoint = -1;

      /*
       * Do not draw point. Only when long press and down.
       */
      mPointProjection = null;

      /*
       * Now that we have moved passed the macro level, re-query for new tiles.
       * Do not query repeatedly hence check for mFactor = 1
       */
      if (mMacro != mScale.getMacroFactor()) {
        loadTiles();
      }
    } else if (e.getAction() == MotionEvent.ACTION_DOWN) {

      if (mService != null) {
        /*
         * Find if this is close to a plan point. Do rubber banding if true
         * This is where rubberbanding starts
         */
        if (mService.getPlan() != null && mDragPlanPoint < 0 && mPref.allowRubberBanding()) {
          double lon = mOrigin.getLongitudeOf(e.getX());
          double lat = mOrigin.getLatitudeOf(e.getY());
          mDragPlanPoint = mService.getPlan().findClosePointId(lon, lat, mScale.getScaleFactor());
          mDragStartedX = e.getX();
          mDragStartedY = e.getY();
        }
      }

      mGestureCallBack.gestureCallBack(GestureInterface.TOUCH, (LongTouchDestination) null);

      // Remember this point so we can make sure we move far enough before losing the long press
      mDoCallbackWhenDone = false;
      mDownFocusPoint = getFocusPoint(e);
      startClosestAirportTask(e.getX(), e.getY());
    } else if (e.getAction() == MotionEvent.ACTION_MOVE) {
      if (mDownFocusPoint != null) {

        Point fp = getFocusPoint(e);
        final int deltaX = fp.x - mDownFocusPoint.x;
        final int deltaY = fp.y - mDownFocusPoint.y;
        int distanceSquare = (deltaX * deltaX) + (deltaY * deltaY);
        bPassToGestureDetector = distanceSquare > mTouchSlopSquare;
      }
      // Rubberbanding, intermediate
      rubberBand(e.getX(), e.getY(), false);
    }

    if (bPassToGestureDetector) {
      // Once we break out of the square or stop the long press, keep sending
      if (e.getAction() == MotionEvent.ACTION_MOVE || e.getAction() == MotionEvent.ACTION_UP) {
        mDownFocusPoint = null;
        mPointProjection = null;
        if (mClosestTask != null) {
          mClosestTask.cancel(true);
        }
      }
      mGestureDetector.onTouchEvent(e);
    }
    return mMultiTouchC.onTouchEvent(e, mScale.getMaxScale(), mScale.getMinScale(), mMacro);
  }