private void ViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case nameof(ViewModel.GroupedFontList):
if (ViewModel.IsLoadingFonts)
{
return;
}
if (ViewModel.Settings.UseSelectionAnimations &&
!ViewModel.IsSearchResults)
{
CompositionFactory.PlayEntrance(LstFontFamily, 66, 100);
CompositionFactory.PlayEntrance(GroupLabel, 0, 0, 80);
if (InlineLabelCount.Visibility == Visibility.Visible)
{
CompositionFactory.PlayEntrance(InlineLabelCount, 83, 0, 80);
}
}
break;
case nameof(ViewModel.SelectedFont):
if (ViewModel.SelectedFont != null)
{
LstFontFamily.SelectedItem = ViewModel.SelectedFont;
FontMap.PlayFontChanged();
}
break;
case nameof(ViewModel.FontSearch):
case nameof(ViewModel.IsSearchResults):
// Required to prevent crash with SemanticZoom when there
// are no items in the results list
if (!FontsSemanticZoom.IsZoomedInViewActive)
{
FontsSemanticZoom.IsZoomedInViewActive = true;
}
break;
case nameof(ViewModel.IsLoadingFonts):
case nameof(ViewModel.IsLoadingFontsFailed):
UpdateLoadingStates();
break;
}
}
private void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == nameof(ViewModel.FontList))
{
if (ViewStates.CurrentState != NormalState)
{
GoToNormalState();
}
CompositionFactory.PlayEntrance(Repeater, 0, 80, 0);
// ItemsRepeater is a bit rubbish, needs to be nudged back into life.
// If we scroll straight to zero, we can often end up with a blank screen
// until the user scrolls. So we need to manually hack in a scroll ourselves.
//ListingScroller.ChangeView(null, 2, null, true);
//_ = Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async () =>
//{
// await Task.Delay(16);
// ListingScroller?.ChangeView(null, 0, null, false);
//});
}
else if (e.PropertyName == nameof(ViewModel.SelectedFont))
{
if (ViewModel.SelectedFont is null)
{
GoToNormalState();
}
else
{
DetailsFontTitle.Text = "";
VisualStateManager.GoToState(this, DetailsState.Name, true);
}
}
else if (e.PropertyName == nameof(ViewModel.Text))
{
UpdateText(ViewModel.Text);
}
}
private void StartShowAnimation()
{
if (!CompositionFactory.UISettings.AnimationsEnabled)
{
this.GetElementVisual().Opacity = 1;
this.GetElementVisual().Properties.InsertVector3(CompositionFactory.TRANSLATION, Vector3.Zero);
return;
}
List <UIElement> elements = new() { this };
elements.AddRange(OptionsPanel.Children);
CompositionFactory.PlayEntrance(elements, 0, 200);
elements.Clear();
elements.AddRange(PreviewOptions.Children);
elements.Add(PreviewContainer);
CompositionFactory.PlayEntrance(elements, 0, 200);
elements.Clear();
elements.Add(BottomLabel);
elements.AddRange(BottomButtonOptions.Children);
CompositionFactory.PlayEntrance(elements, 0, 200);
}