public void ShowOrHideListModels(WheelTimerPickerViewModel viewModel)
{
if (_oldViewModel == viewModel)
{
// click twice on the same item will hide it
viewModel.IsVisible = !viewModel.IsVisible;
viewModel.InEdit = !viewModel.InEdit;
UpdateViews(viewModel);
}
else
{
if (_oldViewModel != null)
{
// hide previous selected item
_oldViewModel.IsVisible = false;
_oldViewModel.InEdit = false;
UpdateViews(_oldViewModel);
}
// show selected item
viewModel.IsVisible = true;
viewModel.InEdit = true;
UpdateViews(viewModel);
}
_oldViewModel = viewModel;
}
private void UpdateViews(WheelTimerPickerViewModel view)
{
var index = TimerPickersViewModel.IndexOf(view);
TimerPickersViewModel.Remove(view);
TimerPickersViewModel.Insert(index, view);
}
public IntervalsPageViewModel(Tts TextToSpeech, GeolocationService geolocationService)
{
TimerPickersViewModel.Add(new WheelTimerPickerViewModel
{
Name = "Walking Duration",
IsVisible = true,
InEdit = true,
Time = new TimeSpan(0, 1, 0) //tobind with default val
});
TimerPickersViewModel.Add(new WheelTimerPickerViewModel
{
Name = "Running Duration",
IsVisible = false,
InEdit = false,
Time = new TimeSpan(0, 1, 0) //to bind with default val
});
_locationService = geolocationService;
_locationService.SpeedErrorrAreaOFMonoticity = 3; // acceptble error area of 2 km/h
_locationService.PartialSpeedGraphSize = 15;
Task.Run(async() => { await _locationService.GetPermissions(); });
_oldViewModel = TimerPickersViewModel[0];
_textToSpeach = TextToSpeech;
RightButtonClickedCommand = new Command(() => OnRightButtonClicked());
EditButtonClickedCommand = new Command(() => OnEditButtonClicked());
LeftButtonClickedCommand = new Command(() => OnLeftButtonClicked());
StartTimerCommand = new Command(() => StartTimer());
PauseTimerCommand = new Command(() => PauseTimer());
CancelTimerCommand = new Command(() => CancelTimer());
}