private void Device_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
if (SelectedDevice != null)
{
CurrentStep = SelectedDevice.StartsWith("Serial") ? Steps.WaitForDeviceConfirm : Steps.WaitForConnection;
AdvanceStateMachine();
}
}
private void AdvanceStateMachine()
{
switch (CurrentStep)
{
case Steps.Idle: // Clicked on device
CurrentStep = Steps.WaitForDeviceConfirm;
ShowNextButton = true;
break;
case Steps.WaitForDeviceConfirm: // Clicked on Next
CurrentStep = SelectedDevice.StartsWith("Serial") ? Steps.WaitForBaudrate : Steps.WaitForConnection;
ShowBaudRate = CurrentStep == Steps.WaitForBaudrate;
ShowNextButton = !string.IsNullOrEmpty(SelectedBaudRate);
break;
case Steps.WaitForBaudrate:
case Steps.WaitForConnection:
GPSStatus = $"Connecting to OAT on {SelectedDevice}{(SelectedDevice.StartsWith("Serial") ? " at " + SelectedBaudRate + " baud" : "")}";
ShowGPSStatus = true;
CurrentStep = Steps.CheckHardware;
break;
case Steps.CheckHardware:
// NOP
break;
case Steps.WaitForLevel:
// Turn off the Level
var doneEvent = new AutoResetEvent(false);
_sendCommand(":XL0#,#", (a) => { doneEvent.Set(); });
doneEvent.WaitOne();
if (_mountViewModel.IsAddonSupported("GPS"))
{
CurrentStep = Steps.WaitForGPS;
ShowGPSStatus = true;
_startedGPSWaitAt = DateTime.UtcNow;
}
else
{
ShowManualLocation = true;
CurrentStep = Steps.ConfirmLocation;
}
break;
case Steps.WaitForGPS:
// We have a GPS, but the user is too impatient. We'll assume the location that OAT has stored is accurate and use that.
ShowManualLocation = true;
CurrentStep = Steps.ConfirmLocation;
GPSStatus = "GPS acquisition cancelled, please enter location:";
var locDoneEvent = new AutoResetEvent(false);
bool gotLoc = false;
float lat = 0, lng = 0;
_sendCommand(":Gt#,#", (a) => { gotLoc = a.Success && TryParseLatLong(a.Data, ref lat); });
_sendCommand(":Gg#,#", (a) => { gotLoc = gotLoc && a.Success && TryParseLatLong(a.Data, ref lng); locDoneEvent.Set(); });
locDoneEvent.WaitOne();
if (gotLoc)
{
Latitude = lat;
Longitude = 180.0f - lng;
}
break;
case Steps.ConfirmLocation:
GPSStatus = "Sync'd! Setting OAT location...";
Task.Run(() => _mountViewModel.SetSiteLatitude(Latitude)).Wait();
Task.Run(() => _mountViewModel.SetSiteLongitude(Longitude)).Wait();
Settings.Default.SiteLatitude = Latitude;
Settings.Default.SiteLongitude = Longitude;
Settings.Default.SiteAltitude = Altitude;
Settings.Default.Save();
CurrentStep = Steps.Completed;
break;
case Steps.Completed:
this.Result = true;
this.Close();
break;
default: break;
}
}