public static String getTip(Context ctx, Preferences pref) {
// generate tips sequentially
String tips[] = ctx.getResources().getStringArray(R.array.Tips);
int index = pref.getTipIndex();
if (index >= tips.length) {
index = 0;
}
String ret = tips[index];
ret += ".\n" + ctx.getString(R.string.DisableTip);
index++;
pref.setTipIndex(index);
return ret;
}
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);
}
/**
* @param time
* @param location
* @param data
*/
public void putAirep(long time, String location, String data, DataSource db) {
if (!mPref.useAdsbWeather()) {
return;
}
String lonlat = db.findLonLat(location, Destination.BASE);
if (null == lonlat) {
return;
}
String tokens[] = lonlat.split(",");
if (tokens.length != 2) {
return;
}
Airep a = new Airep();
a.lon = Float.parseFloat(tokens[0]);
a.lat = Float.parseFloat(tokens[1]);
a.rawText = data;
a.reportType = "PIREP";
Date dt = new Date(time);
SimpleDateFormat sdf = new SimpleDateFormat("ddHHmm", Locale.getDefault());
sdf.setTimeZone(TimeZone.getTimeZone("gmt"));
a.time = sdf.format(dt) + "Z";
a.timestamp = System.currentTimeMillis();
mAirep.put(location, a);
}
/**
* @param canvas
* @param ctx
*/
private void drawTraffic(Canvas canvas, DrawingContext ctx) {
Traffic.draw(
ctx,
mService.getTrafficCache().getTraffic(),
mService.getTrafficCache().getOwnAltitude(),
mGpsParams,
mPref.getAircraftICAOCode(),
null == mPointProjection);
}
/**
* * Draw the vertical approach slope indicator if we have a destination set
*
* @param canvas what to draw the data upon
*/
private void drawVASI(Canvas canvas) {
if (mPointProjection == null && mErrorStatus == null) {
if (mPref.getShowCDI()) {
Destination dest = mService.getDestination();
if (dest != null) {
mService.getVNAV().drawVNAV(canvas, getWidth(), getHeight(), dest);
}
}
}
}
/**
* Draw the tracks to show our previous positions. If tracking is enabled, there is a linked list
* of gps coordinates attached to this view with the most recent one at the end of that list.
* Start at the end value to begin the drawing and as soon as we find one that is not in the range
* of this display, we can assume that we're done.
*
* @param canvas
* @param ctx
*/
private void drawTracks(Canvas canvas, DrawingContext ctx) {
/*
* Some pre-conditions that would prevent us from drawing anything
*/
if (mPref.isDrawTracks() && (null == mPointProjection)) {
/*
* Set the brush color and width
*/
mPaint.setColor(Color.CYAN);
mPaint.setStrokeWidth(6 * mDipToPix);
mPaint.setStyle(Paint.Style.FILL);
mService
.getKMLRecorder()
.getShape()
.drawShape(canvas, mOrigin, mScale, mMovement, mPaint, mPref.isNightMode(), true);
}
}
/**
* @param time
* @param block
* @param empty
* @param isConus
* @param data
* @param cols
* @param rows
*/
public void putImg(
long time, int block, int empty[], boolean isConus, int data[], int cols, int rows) {
if (!mPref.useAdsbWeather()) {
return;
}
if (isConus) {
mNexradConus.putImg(time, block, empty, isConus, data, cols, rows);
} else {
mNexrad.putImg(time, block, empty, isConus, data, cols, rows);
}
}
/**
* @param canvas
* @param ctx
*/
private void drawLayers(Canvas canvas, DrawingContext ctx) {
if (mLayerType == null || null != mPointProjection || 0 == mPref.showLayer()) {
return;
}
if (ctx.pref.useAdsbWeather()) {
if (mLayerType.equals("NEXRAD")) {
NexradBitmap.draw(
ctx,
mService.getAdsbWeather().getNexrad(),
mService.getAdsbWeather().getNexradConus(),
null == mPointProjection);
} else if (mLayerType.equals("METAR")) {
AdsbWeatherCache.drawMetars(
ctx, mService.getAdsbWeather().getAllMetars(), null == mPointProjection);
}
} else {
if (mLayerType.equals("NEXRAD")) {
// draw nexrad
mLayer = mService.getRadarLayer();
} else if (mLayerType.equals("METAR")) {
// draw metar flight catergory
mLayer = ctx.service.getMetarLayer();
} else {
mLayer = null;
return;
}
/*
* layer is way too old.
*/
if (mLayer.isOld(ctx.pref.getExpiryTime())) {
return;
}
mPaint.setAlpha(mPref.showLayer());
mLayer.draw(canvas, mPaint, mOrigin);
mPaint.setAlpha(255);
}
}
/**
* Draws concentric circles around the current aircraft position showing distance. author: rwalker
*
* @param canvas upon which to draw the circles
*/
private void drawDistanceRings(Canvas canvas) {
/*
* Some pre-conditions that would prevent us from drawing anything
*/
if (null != mPointProjection) {
return;
}
// Tell the rings to draw themselves
mService
.getDistanceRings()
.draw(canvas, mOrigin, mScale, mMovement, mPref.isTrackUp(), mGpsParams);
}
/**
* @param time
* @param location
* @param data
*/
public void putTaf(long time, String location, String data) {
if (!mPref.useAdsbWeather()) {
return;
}
Taf f = new Taf();
f.rawText = location + " " + data;
f.stationId = location;
Date dt = new Date(time);
SimpleDateFormat sdf = new SimpleDateFormat("ddHHmm", Locale.getDefault());
sdf.setTimeZone(TimeZone.getTimeZone("gmt"));
f.time = sdf.format(dt) + "Z";
f.timestamp = System.currentTimeMillis();
mTaf.put(location, f);
}
/**
* @param time
* @param location
* @param data
*/
public void putMetar(long time, String location, String data, String flightCategory) {
if (!mPref.useAdsbWeather()) {
return;
}
Metar m = new Metar();
m.rawText = location + " " + data;
m.stationId = location;
Date dt = new Date(time);
SimpleDateFormat sdf = new SimpleDateFormat("ddHHmm", Locale.getDefault());
sdf.setTimeZone(TimeZone.getTimeZone("gmt"));
m.time = sdf.format(dt) + "Z";
m.flightCategory = flightCategory;
m.timestamp = System.currentTimeMillis();
mMetar.put(location, m);
mMetarQueue.insertMetarInQueue(m); // This will slowly make a metar map
}
/**
* * Draw the edge distance markers if configured to do so
*
* @param canvas what to draw them on
*/
private void drawEdgeMarkers(Canvas canvas) {
if (mPref.isShowEdgeTape()) {
if (mPointProjection == null) {
int x = (int) (mOrigin.getOffsetX(mGpsParams.getLongitude()));
int y = (int) (mOrigin.getOffsetY(mGpsParams.getLatitude()));
float pixPerNm = mOrigin.getPixelsInNmAtLatitude(1, mGpsParams.getLatitude());
mService
.getEdgeTape()
.draw(
canvas,
mScale,
pixPerNm,
x,
y,
(int) mService.getInfoLines().getHeight(),
getWidth(),
getHeight());
}
}
}
/**
* @param time
* @param location
* @param data
*/
public void putWinds(long time, String location, String data) {
if (!mPref.useAdsbWeather()) {
return;
}
WindsAloft w = new WindsAloft();
w.station = location;
/*
* Clear garbage spaces etc. Convert to Avare format
*/
String winds[] = data.split(",");
if (winds.length < 9) {
return;
}
w.w3k = winds[0];
w.w6k = winds[1];
w.w9k = winds[2];
w.w12k = winds[3];
w.w18k = winds[4];
w.w24k = winds[5];
w.w30k = winds[6];
w.w34k = winds[7];
w.w39k = winds[8];
Date dt = new Date(time);
SimpleDateFormat sdf = new SimpleDateFormat("ddHHmm", Locale.getDefault());
sdf.setTimeZone(TimeZone.getTimeZone("gmt"));
w.time = sdf.format(dt) + "Z";
/*
* Find lon/lat of station
*/
float coords[] = new float[2];
if (!Stations.getStationLocation(location, coords)) {
return;
}
w.lon = coords[0];
w.lat = coords[1];
w.timestamp = System.currentTimeMillis();
mWinds.put(location, w);
}
/*
* ALL ADSB weather should be kaput after expiry
*/
public void sweep() {
long now = System.currentTimeMillis();
int expiry = mPref.getExpiryTime() * 60 * 1000;
/*
* Go at them one by one
* LinkedList saves against concurrent modification exception
*/
LinkedList<String> keys;
/*
* Winds
*/
keys = new LinkedList<String>();
for (String key : mWinds.keySet()) {
WindsAloft w = mWinds.get(key);
long diff = (now - w.timestamp) - expiry;
if (diff > 0) {
keys.add(key);
}
}
for (String key : keys) {
mWinds.remove(key);
}
/*
* Taf
*/
keys = new LinkedList<String>();
for (String key : mTaf.keySet()) {
Taf f = mTaf.get(key);
long diff = (now - f.timestamp) - expiry;
if (diff > 0) {
keys.add(key);
}
}
for (String key : keys) {
mTaf.remove(key);
}
/*
* Metar
*/
keys = new LinkedList<String>();
for (String key : mMetar.keySet()) {
Metar m = mMetar.get(key);
long diff = (now - m.timestamp) - expiry;
if (diff > 0) {
keys.add(key);
}
}
for (String key : keys) {
mMetar.remove(key);
}
/*
* Airep
*/
keys = new LinkedList<String>();
for (String key : mAirep.keySet()) {
Airep a = mAirep.get(key);
long diff = (now - a.timestamp) - expiry;
if (diff > 0) {
keys.add(key);
}
}
for (String key : keys) {
mAirep.remove(key);
}
/*
* Nexrad
*/
LinkedList<Integer> keyi = new LinkedList<Integer>();
SparseArray<NexradBitmap> img = mNexrad.getImages();
for (int i = 0; i < img.size(); i++) {
NexradBitmap n = img.valueAt(i);
long diff = (now - n.timestamp) - expiry;
if (diff > 0) {
keyi.add(img.keyAt(i));
}
}
for (Integer key : keyi) {
img.remove(key);
}
}
/* (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);
}
// Display all of the user defined waypoints if configured to do so
private void drawUserDefinedWaypoints(Canvas canvas, DrawingContext ctx) {
if (mPointProjection == null) {
mService.getUDWMgr().draw(canvas, mPref.isTrackUp(), mGpsParams, mFace, mOrigin);
}
}
/**
* Update the current speed, lat, lon, that will update ETA, distance and bearing to the
* destination
*
* @param params
*/
public void updateTo(GpsParams params) {
/*
*/
double mLon = params.getLongitude();
double mLat = params.getLatitude();
double speed = params.getSpeed();
mDeclination = params.getDeclinition();
if (!mFound) {
return;
}
if (!mInited) {
mLonInit = mLon;
mLatInit = mLat;
mInited = true;
}
/*
* Project and find distance
*/
Projection p = new Projection(mLon, mLat, mLond, mLatd);
mDistance = p.getDistance();
mBearing = p.getBearing();
// in flying mode, calculate time based on ground speed from GPS
mGroundSpeed = speed;
mWca = 0;
mCrs = mBearing;
if (mPref.isSimulationMode()) {
double ws = 0;
double wd = 0;
if (mWinds != null) {
double winds[] = mWinds.getWindAtAltitude(params.getAltitude());
ws = winds[0];
wd = winds[1];
}
// in sim mode, do planning with winds
speed = mPref.getAircraftTAS(); // in sim mode, use preferred TAS
// from aviation formulary
double hd = mBearing;
mGroundSpeed =
Math.sqrt(
ws * ws + speed * speed - 2 * ws * speed * Math.cos((hd - wd) * Math.PI / 180.0));
mWca =
-Math.toDegrees(
Math.atan2(
ws * Math.sin((hd - wd) * Math.PI / 180.0),
speed - ws * Math.cos((hd - wd) * Math.PI / 180.0)));
mCrs = (hd + mWca + 360) % 360;
} else if (mPref.useBearingForETEA() && (!mService.getPlan().isActive())) {
// This is just when we have a destination set and no plan is active
// We can't assume that we are heading DIRECTLY for the destination, so
// we need to figure out the multiply factor by taking the COS of the difference
// between the bearing and the heading.
double angDif = Helper.angularDifference(params.getBearing(), mBearing);
double xFactor = 1;
// If the difference is 90 or greater, then ETE means nothing as we are not
// closing on the target
if (angDif < 90) {
// Calculate the actual relative speed closing on the target
xFactor = Math.cos(angDif * Math.PI / 180);
}
mGroundSpeed *= xFactor;
}
/*
* ETA when speed != 0
*/
mEte = Helper.calculateEte(mDistance, mGroundSpeed, 0, true);
if (mGroundSpeed == 0) {
mEteSec = Long.MAX_VALUE;
mFuelGallons = Float.MAX_VALUE;
mFuel = "-.-";
} else {
mEteSec = (long) (mDistance / mGroundSpeed * 3600);
mFuelGallons = (float) mEteSec / 3600 * mPref.getFuelBurn();
mFuel = String.valueOf((float) Math.round(mFuelGallons * 10.f) / 10.f);
}
// Calculate the time of arrival at our destination. We SHOULD be taking in to account
// the timezone at that location
mEta = Helper.calculateEta(Calendar.getInstance().getTimeZone(), mDistance, mGroundSpeed);
}
/** @param canvas Does pretty much all drawing on screen */
private void drawMap(Canvas canvas) {
if (mService == null) {
return;
}
// If our track is supposed to be at the top, save the current
// canvas and rotate it based upon our bearing if we have one
boolean bRotated = false;
if (mPref.isTrackUp() && (mGpsParams != null)) {
bRotated = true;
canvas.save();
/*
* Rotate around current position
*/
float x = (float) mOrigin.getOffsetX(mGpsParams.getLongitude());
float y = (float) mOrigin.getOffsetY(mGpsParams.getLatitude());
canvas.rotate(-(int) mGpsParams.getBearing(), x, y);
}
DrawingContext ctx = new DrawingContext();
ctx.service = mService;
ctx.canvas = canvas;
ctx.context = mContext;
ctx.dip2pix = mDipToPix;
ctx.movement = mMovement;
ctx.origin = mOrigin;
ctx.paint = mPaint;
ctx.textPaint = mMsgPaint;
ctx.scale = mScale;
ctx.pan = mPan;
ctx.pref = mPref;
ctx.runwayPaint = mRunwayPaint;
ctx.view = this;
// Call the draw routines for the items that rotate with
// the chart
drawTiles(canvas, ctx);
drawLayers(canvas, ctx);
drawDrawing(canvas, ctx);
drawCapGrids(canvas, ctx);
drawTraffic(canvas, ctx);
drawTFR(canvas, ctx);
drawGameTFRs(ctx);
drawShapes(canvas, ctx);
drawAirSigMet(canvas, ctx);
drawTracks(canvas, ctx);
drawTrack(canvas, ctx);
drawRunways(canvas, ctx);
drawAircraft(canvas, ctx);
drawUserDefinedWaypoints(canvas, ctx);
// Restore the canvas to be upright again
if (true == bRotated) {
canvas.restore();
}
// Now draw the items that do NOT rotate with the chart
drawDistanceRings(canvas);
drawCDI(canvas);
drawVASI(canvas);
drawStatusLines(canvas);
drawEdgeMarkers(canvas); // Must be after the infolines
drawNavComments(canvas);
}
// Display cap grids
private void drawCapGrids(Canvas canvas, DrawingContext ctx) {
if (mPointProjection == null && mPref.showCAPGrids()) {
mService.getCap().draw(canvas, mOrigin, mScale);
}
}
/* (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;
}