diff options
Diffstat (limited to 'Xamarin.Forms.Platform.MacOS/Renderers/MasterDetailPageRenderer.cs')
| -rw-r--r-- | Xamarin.Forms.Platform.MacOS/Renderers/MasterDetailPageRenderer.cs | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/Xamarin.Forms.Platform.MacOS/Renderers/MasterDetailPageRenderer.cs b/Xamarin.Forms.Platform.MacOS/Renderers/MasterDetailPageRenderer.cs deleted file mode 100644 index 8d2fd551..00000000 --- a/Xamarin.Forms.Platform.MacOS/Renderers/MasterDetailPageRenderer.cs +++ /dev/null @@ -1,204 +0,0 @@ -using System; -using System.ComponentModel; -using System.Linq; -using AppKit; -using CoreGraphics; - -namespace Xamarin.Forms.Platform.MacOS -{ - public class MasterDetailPageRenderer : NSSplitViewController, IVisualElementRenderer, IEffectControlProvider - { - bool _disposed; - EventTracker _events; - VisualElementTracker _tracker; - MasterDetailPage _masterDetailPage; - - IPageController PageController => Element as IPageController; - - void IEffectControlProvider.RegisterEffect(Effect effect) - { - var platformEffect = effect as PlatformEffect; - if (platformEffect != null) - platformEffect.Container = View; - } - - protected MasterDetailPage MasterDetailPage => _masterDetailPage ?? (_masterDetailPage = (MasterDetailPage)Element); - - protected override void Dispose(bool disposing) - { - if (!_disposed && disposing) - { - PageController?.SendDisappearing(); - - if (Element != null) - { - Element.PropertyChanged -= HandlePropertyChanged; - Element = null; - } - - ClearControllers(); - - _tracker?.Dispose(); - _tracker = null; - _events?.Dispose(); - _events = null; - - _disposed = true; - } - base.Dispose(disposing); - } - - public NSViewController ViewController => this; - - public NSView NativeView => View; - - public VisualElement Element { get; private set; } - - public event EventHandler<VisualElementChangedEventArgs> ElementChanged; - - public SizeRequest GetDesiredSize(double widthConstraint, double heightConstraint) - { - return NativeView.GetSizeRequest(widthConstraint, heightConstraint); - } - - public void SetElement(VisualElement element) - { - var oldElement = Element; - Element = element; - - UpdateControllers(); - - OnElementChanged(new VisualElementChangedEventArgs(oldElement, element)); - - EffectUtilities.RegisterEffectControlProvider(this, oldElement, element); - } - - public void SetElementSize(Size size) - { - Element.Layout(new Rectangle(Element.X, Element.Y, size.Width, size.Height)); - UpdateChildrenLayout(); - } - - protected virtual void OnElementChanged(VisualElementChangedEventArgs e) - { - if (e.OldElement != null) - e.OldElement.PropertyChanged -= HandlePropertyChanged; - - if (e.NewElement != null) - e.NewElement.PropertyChanged += HandlePropertyChanged; - - ElementChanged?.Invoke(this, e); - } - - protected virtual double MasterWidthPercentage => 0.3; - - public override void ViewWillAppear() - { - UpdateBackground(); - _tracker = new VisualElementTracker(this); - _events = new EventTracker(this); - _events.LoadEvents(NativeView); - UpdateChildrenLayout(); - - base.ViewWillAppear(); - } - - public override CGRect GetEffectiveRect(NSSplitView splitView, CGRect proposedEffectiveRect, CGRect drawnRect, - nint dividerIndex) - { - return CGRect.Empty; - } - - void UpdateChildrenLayout() - { - if (View.Frame.Width == -1) - return; - var width = View.Frame.Width; - var masterWidth = MasterWidthPercentage * width; - if (SplitViewItems.Length > 0) - SplitViewItems[0].MaximumThickness = SplitViewItems[0].MinimumThickness = (nfloat)masterWidth; - } - - void HandlePropertyChanged(object sender, PropertyChangedEventArgs e) - { - if (_tracker == null) - return; - - if (e.PropertyName == "Master" || e.PropertyName == "Detail") - UpdateControllers(); - } - - void UpdateControllers() - { - ClearControllers(); - - if (Platform.GetRenderer(MasterDetailPage.Master) == null) - Platform.SetRenderer(MasterDetailPage.Master, Platform.CreateRenderer(MasterDetailPage.Master)); - if (Platform.GetRenderer(MasterDetailPage.Detail) == null) - Platform.SetRenderer(MasterDetailPage.Detail, Platform.CreateRenderer(MasterDetailPage.Detail)); - - AddSplitViewItem(new NSSplitViewItem - { - ViewController = new ViewControllerWrapper(Platform.GetRenderer(MasterDetailPage.Master)) - }); - AddSplitViewItem(new NSSplitViewItem - { - ViewController = new ViewControllerWrapper(Platform.GetRenderer(MasterDetailPage.Detail)) - }); - - UpdateChildrenLayout(); - } - - void ClearControllers() - { - while (SplitViewItems.Length > 0) - { - var splitItem = SplitViewItems.Last(); - var childVisualRenderer = splitItem.ViewController as ViewControllerWrapper; - RemoveSplitViewItem(splitItem); - IVisualElementRenderer render = null; - if (childVisualRenderer.RendererWeakRef.TryGetTarget(out render)) - { - render.Dispose(); - } - childVisualRenderer.Dispose(); - childVisualRenderer = null; - } - } - - //TODO: Implement Background color on MDP - void UpdateBackground() - { - } - - sealed class ViewControllerWrapper : NSViewController - { - internal WeakReference<IVisualElementRenderer> RendererWeakRef; - - public ViewControllerWrapper(IVisualElementRenderer renderer) - { - RendererWeakRef = new WeakReference<IVisualElementRenderer>(renderer); - View = new NSView { WantsLayer = true }; - AddChildViewController(renderer.ViewController); - View.AddSubview(renderer.NativeView); - } - - public override void ViewWillLayout() - { - IVisualElementRenderer renderer; - if (RendererWeakRef.TryGetTarget(out renderer)) - renderer?.Element?.Layout(new Rectangle(0, 0, View.Bounds.Width, View.Bounds.Height)); - base.ViewWillLayout(); - } - - protected override void Dispose(bool disposing) - { - if (disposing && RendererWeakRef != null) - { - RendererWeakRef = null; - } - base.Dispose(disposing); - } - } - } -}
\ No newline at end of file |