private async Task UpdateStoryboard()
{
if (_updating)
{
return;
}
_updating = true;
IsHitTestVisible = false;
await Task.Yield();
var widthAnimation = AnimateX(GetDynamicCategoriesWidth(), ColumnFirst.Width);
ColumnFirst.BeginAnimation(WidthProperty, widthAnimation);
if (Model.LayoutPhase > 0 && CategoriesList.GetItemVisual(Model.SelectedCategory) is FrameworkElement element)
{
var transform = element.TransformToVisual(CategoriesList);
var positionInScrollViewer = transform.Transform(new Point(0, 0));
CategoriesScroll.BeginAnimation(AnimatableScrollViewer.CustomHorizontalOffsetProperty,
AnimateX(positionInScrollViewer.X - (GetCategoriesColumns() - 1d) * GetCategoriesItemSize() / 2d,
CategoriesScroll.CustomHorizontalOffset, duration: widthAnimation.Duration.TimeSpan.TotalSeconds));
}
ColumnSecond.BeginAnimation(WidthProperty, AnimateX(GetDynamicItemsWidth(), ColumnSecond.Width));
TransformSecond.BeginAnimation(TranslateTransform.XProperty, AnimateX(GetDynamicItemsOffset(), TransformSecond.X));
TransformThird.BeginAnimation(TranslateTransform.XProperty, AnimateX(GetDynamicSelectedOffset(), TransformThird.X));
_updating = false;
await Task.Delay(200);
IsHitTestVisible = true;
}
private void UpdateColumnsLayout()
{
if (_lastWidth != ActualWidth)
{
_lastWidth = ActualWidth;
var categoryMaxRows = Math.Floor(ActualHeight / 106d);
var categoryColumns = Math.Ceiling(_categories.Count / categoryMaxRows);
if (categoryColumns < categoryMaxRows)
{
ColumnFirst.MaxHeight = 20d + 106d * Math.Ceiling(Math.Sqrt(_categories.Count));
}
ColumnFirst.BeginAnimation(WidthProperty, null);
ColumnFirst.Width = GetDynamicCategoriesWidth();
CategoriesScroll.BeginAnimation(AnimatableScrollViewer.CustomHorizontalOffsetProperty, null);
if (Model.LayoutPhase > 0)
{
CategoriesList.ScrollIntoView(CategoriesList.SelectedItem);
}
ColumnSecond.BeginAnimation(WidthProperty, null);
TransformSecond.BeginAnimation(TranslateTransform.XProperty, null);
ColumnSecond.Width = GetDynamicItemsWidth();
TransformSecond.X = GetDynamicItemsOffset();
TransformThird.BeginAnimation(TranslateTransform.XProperty, null);
ColumnThird.Width = _lastWidth - GetCategoriesCompactWidth() - GetItemsCompactWidth();
TransformThird.X = GetDynamicSelectedOffset();
}
}
private async Task UpdateStoryboard()
{
if (_updating)
{
return;
}
_updating = true;
IsHitTestVisible = false;
await Task.Yield();
ColumnFirst.BeginAnimation(HeightProperty, AnimateTo(GetTranslateValue(0)));
TransformSecond.BeginAnimation(TranslateTransform.XProperty, AnimateTo(GetTranslateValue(1)));
TransformThird.BeginAnimation(TranslateTransform.XProperty, AnimateTo(GetTranslateValue(2)));
_updating = false;
await Task.Delay(200);
IsHitTestVisible = true;
}
private void UpdateColumnsLayout()
{
if (_lastWidth != ActualWidth)
{
_lastWidth = ActualWidth;
_sectionSize = _lastWidth / 3d;
ColumnFirst.Width = _lastWidth;
ColumnSecond.Width = _sectionSize;
ColumnThird.Width = _sectionSize;
ColumnFirst.BeginAnimation(HeightProperty, null);
ColumnFirst.Height = GetTranslateValue(0);
TransformSecond.BeginAnimation(TranslateTransform.XProperty, null);
TransformThird.BeginAnimation(TranslateTransform.XProperty, null);
TransformSecond.X = GetTranslateValue(1);
TransformThird.X = GetTranslateValue(2);
}
}