/// <summary>
/// Updates UI for settings changes
/// </summary>
private void CurrentSettings_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof(AppSettings.IsRoutingEnabled))
{
_startDirectionsButton.Hidden = !AppSettings.CurrentSettings.IsRoutingEnabled;
}
RelayoutRequested?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// Update UI for viewmodel property changes
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName != nameof(_viewModel.CurrentRoute))
{
return;
}
Route firstRoute = _viewModel.CurrentRoute?.Routes?.FirstOrDefault();
if (firstRoute == null)
{
_stopsTable.Source = null;
return;
}
// Build up the walk time label
StringBuilder walkTimeStringBuilder = new StringBuilder();
// Add walk time and distance label
if (firstRoute.TotalTime.Hours > 0)
{
walkTimeStringBuilder.Append($"{firstRoute.TotalTime.Hours}:{firstRoute.TotalTime.Minutes}");
}
else
{
walkTimeStringBuilder.Append($"{firstRoute.TotalTime.Minutes + 1} " + "RouteTimeMinutesLabel".Localize());
}
_routeDurationLabel.Text = walkTimeStringBuilder.ToString();
// Create the list of stop features (origin and destination)
var tableSource = new List <Feature> {
_viewModel.FromLocationFeature, _viewModel.ToLocationFeature
};
// Update the stops table with new data
_stopsTable.Source = new RouteTableSource(tableSource);
// necessary so that table is reloaded before layout is requested
_stopsTable.ReloadData();
RelayoutRequested?.Invoke(this, EventArgs.Empty);
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, (NSString)"RouteFoundAccessibilityAnnouncement".Localize());
}
/// <summary>
/// Updates UI for viewmodel property changes
/// </summary>
private void ViewModel_Changed(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName != nameof(_viewModel.CurrentRoom))
{
return;
}
_primaryLabel.Text = _viewModel.CurrentRoom?.PrimaryDisplayField;
_secondaryLabel.Text = _viewModel.CurrentRoom?.SecondaryDisplayField;
if (string.IsNullOrWhiteSpace(_secondaryLabel.Text))
{
_directionsButtonToSecondaryLabelTopConstraint.Active = false;
_directionsButtonToPrimaryLabelTopConstraint.Active = true;
}
else
{
_directionsButtonToSecondaryLabelTopConstraint.Active = true;
_directionsButtonToPrimaryLabelTopConstraint.Active = false;
}
// Since values have changed, UI may now need more space.
RelayoutRequested?.Invoke(this, EventArgs.Empty);
}