/// <summary>
/// Updates the master detail containers.
/// </summary>
void UpdateMasterDetailContainers()
{
//((MasterDetailPage)Element).Master.PropertyChanged -= HandleMasterPropertyChanged;
EmptyContainers();
if (CurrentPlatform.GetRenderer(((MasterDetailPage)Element).Master) == null)
{
CurrentPlatform.SetRenderer(((MasterDetailPage)Element).Master, CurrentPlatform.CreateRenderer(((MasterDetailPage)Element).Master));
}
if (CurrentPlatform.GetRenderer(((MasterDetailPage)Element).Detail) == null)
{
CurrentPlatform.SetRenderer(((MasterDetailPage)Element).Detail, CurrentPlatform.CreateRenderer(((MasterDetailPage)Element).Detail));
}
var masterRenderer = CurrentPlatform.GetRenderer(((MasterDetailPage)Element).Master);
var detailRenderer = CurrentPlatform.GetRenderer(((MasterDetailPage)Element).Detail);
//((MasterDetailPage)Element).Master.PropertyChanged += HandleMasterPropertyChanged;
this.MenuViewController.View.AddSubview(masterRenderer.NativeView);
this.MenuViewController.AddChildViewController(masterRenderer.ViewController);
this.RootViewController.View.AddSubview(detailRenderer.NativeView);
this.RootViewController.AddChildViewController(detailRenderer.ViewController);
SetNeedsStatusBarAppearanceUpdate();
}
public static IVisualElementRenderer GetOrCreateRenderer(this VisualElement bindable)
{
var renderer = XFPlatform.GetRenderer(bindable);
if (renderer == null)
{
renderer = XFPlatform.CreateRenderer(bindable);
XFPlatform.SetRenderer(bindable, renderer);
}
return(renderer);
}
void SetupPage(Page page, int index)
{
IVisualElementRenderer renderer = Platform.GetRenderer(page);
if (renderer == null)
{
renderer = Platform.CreateRenderer(page);
Platform.SetRenderer(page, renderer);
}
page.PropertyChanged -= OnPagePropertyChanged;
page.PropertyChanged += OnPagePropertyChanged;
}
internal UIContainerCell(string cellId, View view, Shell shell, object context) : base(UITableViewCellStyle.Default, cellId)
{
View = view;
View.MeasureInvalidated += MeasureInvalidated;
SelectionStyle = UITableViewCellSelectionStyle.None;
_renderer = Platform.GetRenderer(view);
if (_renderer == null)
{
_renderer = Platform.CreateRenderer(view);
Platform.SetRenderer(view, _renderer);
}
ContentView.AddSubview(_renderer.NativeView);
_renderer.NativeView.ClipsToBounds = true;
ContentView.ClipsToBounds = true;
BindingContext = context;
if (shell != null)
{
shell.AddLogicalChild(View);
}
}
void UpdateMasterDetailContainers()
{
((MasterDetailPage)Element).Master.PropertyChanged -= HandleMasterPropertyChanged;
EmptyContainers();
if (Platform.GetRenderer(((MasterDetailPage)Element).Master) == null)
{
Platform.SetRenderer(((MasterDetailPage)Element).Master, Platform.CreateRenderer(((MasterDetailPage)Element).Master));
}
if (Platform.GetRenderer(((MasterDetailPage)Element).Detail) == null)
{
Platform.SetRenderer(((MasterDetailPage)Element).Detail, Platform.CreateRenderer(((MasterDetailPage)Element).Detail));
}
var masterRenderer = Platform.GetRenderer(((MasterDetailPage)Element).Master);
var detailRenderer = Platform.GetRenderer(((MasterDetailPage)Element).Detail);
((MasterDetailPage)Element).Master.PropertyChanged += HandleMasterPropertyChanged;
UIView masterView = masterRenderer.NativeView;
_masterController.View.AddSubview(masterView);
_masterController.AddChildViewController(masterRenderer.ViewController);
UIView detailView = detailRenderer.NativeView;
_detailController.View.AddSubview(detailView);
_detailController.AddChildViewController(detailRenderer.ViewController);
SetNeedsStatusBarAppearanceUpdate();
if (Forms.RespondsToSetNeedsUpdateOfHomeIndicatorAutoHidden)
{
SetNeedsUpdateOfHomeIndicatorAutoHidden();
}
}
public static IVisualElementRenderer GetRenderer(VisualElement view)
{
return(Platform.CreateRenderer(view));
}
public void SetCustomContent(View content)
{
if (content == Content)
{
return;
}
removeScolledEvent?.Invoke();
removeScolledEvent = null;
if (Content != null)
{
var oldRenderer = Platform.GetRenderer(Content);
var oldContentView = ContentView;
var oldContent = Content;
Content = null;
ContentView = null;
oldContent.ClearValue(Platform.RendererProperty);
oldContentView?.RemoveFromSuperview();
oldRenderer?.Dispose();
}
// If the user hasn't defined custom content then only the ContentView is set
else if (ContentView != null)
{
var oldContentView = ContentView;
ContentView = null;
oldContentView.RemoveFromSuperview();
}
Content = content;
if (Content != null)
{
var renderer = Platform.CreateRenderer(Content);
ContentView = renderer.NativeView;
Platform.SetRenderer(Content, renderer);
ContentView.ClipsToBounds = true;
// not sure if there's a more efficient way to do this
// I can test the native control to see if it inherits from UIScrollView
// But the CollectionViewRenderer doesn't inherit from UIScrollView
if (Content is ScrollView sv)
{
sv.Scrolled += ScrollViewScrolled;
removeScolledEvent = () => sv.Scrolled -= ScrollViewScrolled;
void ScrollViewScrolled(object sender, ScrolledEventArgs e) =>
OnScrolled((nfloat)sv.ScrollY);
}
else if (Content is CollectionView cv)
{
cv.Scrolled += CollectionViewScrolled;
removeScolledEvent = () => cv.Scrolled -= CollectionViewScrolled;
void CollectionViewScrolled(object sender, ItemsViewScrolledEventArgs e) =>
OnScrolled((nfloat)e.VerticalOffset);
}
else if (Content is ListView lv)
{
lv.Scrolled += ListViewScrolled;
removeScolledEvent = () => lv.Scrolled -= ListViewScrolled;
void ListViewScrolled(object sender, ScrolledEventArgs e) =>
OnScrolled((nfloat)e.ScrollY);
}
}
}
