protected virtual void OnElementPropertyChanged(object sender, PropertyChangedEventArgs changedProperty)
{
ElementPropertyChanged?.Invoke(this, changedProperty);
// TODO hartez 2018/10/24 10:41:55 If the ItemTemplate changes from set to null, we need to make sure to clear the recyclerview pool
if (changedProperty.Is(Xamarin.Forms.ItemsView.ItemsSourceProperty))
{
UpdateItemsSource();
}
else if (changedProperty.Is(VisualElement.BackgroundColorProperty))
{
UpdateBackgroundColor();
}
else if (changedProperty.Is(VisualElement.FlowDirectionProperty))
{
UpdateFlowDirection();
}
else if (changedProperty.IsOneOf(Xamarin.Forms.ItemsView.EmptyViewProperty,
Xamarin.Forms.ItemsView.EmptyViewTemplateProperty))
{
UpdateEmptyView();
}
else if (changedProperty.Is(Xamarin.Forms.ItemsView.ItemSizingStrategyProperty))
{
UpdateAdapter();
}
else if (changedProperty.Is(Xamarin.Forms.ItemsView.HorizontalScrollBarVisibilityProperty))
{
UpdateHorizontalScrollBarVisibility();
}
else if (changedProperty.Is(Xamarin.Forms.ItemsView.VerticalScrollBarVisibilityProperty))
{
UpdateVerticalScrollBarVisibility();
}
else if (changedProperty.Is(Xamarin.Forms.ItemsView.ItemsUpdatingScrollModeProperty))
{
UpdateItemsUpdatingScrollMode();
}
}
protected virtual void OnShellPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == Shell.FlyoutHeaderBehaviorProperty.PropertyName)
{
UpdateFlyoutHeaderBehavior();
}
else if (e.IsOneOf(
Shell.FlyoutBackgroundColorProperty,
Shell.FlyoutBackgroundProperty,
Shell.FlyoutBackgroundImageProperty,
Shell.FlyoutBackgroundImageAspectProperty))
{
UpdateFlyoutBackground();
}
else if (e.Is(Shell.FlyoutVerticalScrollModeProperty))
{
UpdateVerticalScrollMode();
}
else if (e.IsOneOf(
Shell.FlyoutHeaderProperty,
Shell.FlyoutHeaderTemplateProperty))
{
UpdateFlyoutHeader();
}
else if (e.IsOneOf(
Shell.FlyoutFooterProperty,
Shell.FlyoutFooterTemplateProperty))
{
UpdateFlyoutFooter();
}
else if (e.IsOneOf(
Shell.FlyoutContentProperty,
Shell.FlyoutContentTemplateProperty))
{
UpdateFlyoutContent();
}
}
protected virtual void OnElementPropertyChanged(object sender, PropertyChangedEventArgs changedProperty)
{
ElementPropertyChanged?.Invoke(this, changedProperty);
if (changedProperty.Is(Xamarin.Forms.ItemsView.ItemsSourceProperty))
{
UpdateItemsSource();
}
else if (changedProperty.Is(Xamarin.Forms.ItemsView.ItemTemplateProperty))
{
GetRecycledViewPool().Clear();
UpdateAdapter();
}
else if (changedProperty.Is(VisualElement.BackgroundColorProperty))
{
UpdateBackgroundColor();
}
else if (changedProperty.Is(VisualElement.FlowDirectionProperty))
{
UpdateFlowDirection();
}
else if (changedProperty.IsOneOf(Xamarin.Forms.ItemsView.EmptyViewProperty,
Xamarin.Forms.ItemsView.EmptyViewTemplateProperty))
{
UpdateEmptyView();
}
else if (changedProperty.Is(Xamarin.Forms.ItemsView.HorizontalScrollBarVisibilityProperty))
{
UpdateHorizontalScrollBarVisibility();
}
else if (changedProperty.Is(Xamarin.Forms.ItemsView.VerticalScrollBarVisibilityProperty))
{
UpdateVerticalScrollBarVisibility();
}
else if (changedProperty.Is(Xamarin.Forms.ItemsView.ItemsUpdatingScrollModeProperty))
{
UpdateItemsUpdatingScrollMode();
}
}
void HandlePropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (_tracker == null)
{
return;
}
if (e.PropertyName == "Flyout" || e.PropertyName == "Detail")
{
UpdateControllers();
}
else if (e.PropertyName == Microsoft.Maui.Controls.FlyoutPage.IsPresentedProperty.PropertyName)
{
ToggleFlyout();
}
else if (e.PropertyName == Microsoft.Maui.Controls.FlyoutPage.IsGestureEnabledProperty.PropertyName)
{
base.PresentsWithGesture = this.FlyoutPage.IsGestureEnabled;
}
else if (e.PropertyName == VisualElement.BackgroundColorProperty.PropertyName || e.PropertyName == VisualElement.BackgroundProperty.PropertyName)
{
UpdateBackground();
}
else if (e.PropertyName == VisualElement.FlowDirectionProperty.PropertyName)
{
UpdateFlowDirection();
}
else if (e.Is(Microsoft.Maui.Controls.FlyoutPage.FlyoutLayoutBehaviorProperty))
{
UpdateFlyoutLayoutBehavior(base.View.Bounds.Size);
}
#pragma warning disable CS0618 // Type or member is obsolete
MessagingCenter.Send <IVisualElementRenderer>(this, NavigationRenderer.UpdateToolbarButtons);
#pragma warning restore CS0618 // Type or member is obsolete
}
protected virtual void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (this.IsDisposed())
{
return;
}
ElementPropertyChanged?.Invoke(this, e);
if (Control?.LayoutParameters == null && _hasLayoutOccurred)
{
return;
}
if (e.PropertyName == Frame.HasShadowProperty.PropertyName)
{
UpdateShadow();
}
else if (e.PropertyName == VisualElement.BackgroundColorProperty.PropertyName)
{
UpdateBackgroundColor();
}
else if (e.PropertyName == Frame.CornerRadiusProperty.PropertyName)
{
UpdateCornerRadius();
}
else if (e.PropertyName == Frame.BorderColorProperty.PropertyName)
{
UpdateBorderColor();
}
else if (e.Is(Xamarin.Forms.Layout.IsClippedToBoundsProperty))
{
UpdateClippedToBounds();
}
}
void ConnectionPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.Is("IsConnected"))
{
var now = Connection.IsConnected;
if (!_isConnectedLast && now)
{
// Connected - construct model container
_modelContainer = new SpringContainer();
_modelContainer.Add <IStorage>(Connection.Storage);
_modelContainer.Add <PageViewModelCache, PageViewModelCache>();
PageViewModel.Subscribe(Storage);
_currentPage = PageViewModelCache.Get(RootPage, null);
OnPropertyChanged(null);
}
else if (_isConnectedLast && !now)
{
// Disconnected
_modelContainer = null;
OnPropertyChanged(null);
}
_isConnectedLast = now;
}
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs changedProperty)
{
base.OnElementPropertyChanged(sender, changedProperty);
if (changedProperty.Is(Microsoft.Maui.Controls.ItemsView.ItemsSourceProperty))
{
UpdateItemsSource();
}
else if (changedProperty.Is(Microsoft.Maui.Controls.ItemsView.ItemTemplateProperty))
{
UpdateLayout();
}
else if (changedProperty.IsOneOf(Microsoft.Maui.Controls.ItemsView.EmptyViewProperty,
Microsoft.Maui.Controls.ItemsView.EmptyViewTemplateProperty))
{
Controller.UpdateEmptyView();
}
else if (changedProperty.Is(Microsoft.Maui.Controls.ItemsView.HorizontalScrollBarVisibilityProperty))
{
UpdateHorizontalScrollBarVisibility();
}
else if (changedProperty.Is(Microsoft.Maui.Controls.ItemsView.VerticalScrollBarVisibilityProperty))
{
UpdateVerticalScrollBarVisibility();
}
else if (changedProperty.Is(Microsoft.Maui.Controls.ItemsView.ItemsUpdatingScrollModeProperty))
{
UpdateItemsUpdatingScrollMode();
}
else if (changedProperty.Is(VisualElement.FlowDirectionProperty))
{
UpdateFlowDirection();
}
else if (changedProperty.Is(VisualElement.IsVisibleProperty))
{
UpdateVisibility();
}
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs changedProperty)
{
base.OnElementPropertyChanged(sender, changedProperty);
if (changedProperty.IsOneOf(CarouselView.ItemsSourceProperty, LinearItemsLayout.ItemSpacingProperty))
{
UpdateItemsSource();
}
else if (changedProperty.Is(CarouselView.ItemTemplateProperty))
{
UpdateItemTemplate();
}
else if (changedProperty.Is(CarouselView.PeekAreaInsetsProperty))
{
UpdatePeekAreaInsets();
}
else if (changedProperty.Is(CarouselView.IsSwipeEnabledProperty))
{
UpdateIsSwipeEnabled();
}
else if (changedProperty.Is(CarouselView.IsBounceEnabledProperty))
{
UpdateIsBounceEnabled();
}
else if (changedProperty.Is(CarouselView.PositionProperty))
{
UpdateFromPosition();
}
else if (changedProperty.Is(CarouselView.CurrentItemProperty))
{
UpdateFromCurrentItem();
}
else if (changedProperty.Is(CarouselView.LoopProperty))
{
UpdateLoop();
}
}
void HandlePropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (_renderer == null)
{
return;
}
if (e.PropertyName == Layout.IsClippedToBoundsProperty.PropertyName)
{
UpdateClipToBounds();
return;
}
if (e.Is(Platform.RendererProperty))
{
_renderer.View.Invalidate();
return;
}
if (_renderer.Element.Batched)
{
if (e.PropertyName == VisualElement.XProperty.PropertyName || e.PropertyName == VisualElement.YProperty.PropertyName || e.PropertyName == VisualElement.WidthProperty.PropertyName ||
e.PropertyName == VisualElement.HeightProperty.PropertyName)
{
_layoutNeeded = true;
}
else if (e.PropertyName == VisualElement.AnchorXProperty.PropertyName || e.PropertyName == VisualElement.AnchorYProperty.PropertyName || e.PropertyName == VisualElement.ScaleProperty.PropertyName || e.PropertyName == VisualElement.ScaleXProperty.PropertyName || e.PropertyName == VisualElement.ScaleYProperty.PropertyName ||
e.PropertyName == VisualElement.RotationProperty.PropertyName || e.PropertyName == VisualElement.RotationXProperty.PropertyName || e.PropertyName == VisualElement.RotationYProperty.PropertyName ||
e.PropertyName == VisualElement.IsVisibleProperty.PropertyName || e.PropertyName == VisualElement.OpacityProperty.PropertyName ||
e.PropertyName == VisualElement.TranslationXProperty.PropertyName || e.PropertyName == VisualElement.TranslationYProperty.PropertyName)
{
if (!_batchedProperties.Contains(e.PropertyName))
{
_batchedProperties.Add(e.PropertyName);
}
}
return;
}
if (e.PropertyName == VisualElement.XProperty.PropertyName || e.PropertyName == VisualElement.YProperty.PropertyName || e.PropertyName == VisualElement.WidthProperty.PropertyName ||
e.PropertyName == VisualElement.HeightProperty.PropertyName)
{
MaybeRequestLayout();
}
else if (e.PropertyName == VisualElement.AnchorXProperty.PropertyName)
{
UpdateAnchorX();
}
else if (e.PropertyName == VisualElement.AnchorYProperty.PropertyName)
{
UpdateAnchorY();
}
else if (e.PropertyName == VisualElement.ScaleProperty.PropertyName ||
e.PropertyName == VisualElement.ScaleXProperty.PropertyName ||
e.PropertyName == VisualElement.ScaleYProperty.PropertyName)
{
UpdateScale();
}
else if (e.PropertyName == VisualElement.RotationProperty.PropertyName)
{
UpdateRotation();
}
else if (e.PropertyName == VisualElement.RotationXProperty.PropertyName)
{
UpdateRotationX();
}
else if (e.PropertyName == VisualElement.RotationYProperty.PropertyName)
{
UpdateRotationY();
}
else if (e.PropertyName == VisualElement.IsVisibleProperty.PropertyName)
{
UpdateIsVisible();
}
else if (e.PropertyName == VisualElement.OpacityProperty.PropertyName)
{
UpdateOpacity();
}
else if (e.PropertyName == VisualElement.TranslationXProperty.PropertyName)
{
UpdateTranslationX();
}
else if (e.PropertyName == VisualElement.TranslationYProperty.PropertyName)
{
UpdateTranslationY();
}
else if (e.PropertyName == VisualElement.IsEnabledProperty.PropertyName)
{
UpdateIsEnabled();
}
}