public override void LoadView()
{
View = new ContainerView(this);
string appearance = EffectiveAppearanceName;
NativeChild.RemoveFromSuperview();
View.AddSubview(NativeChild);
if (!string.IsNullOrEmpty(appearance) && appearance.IndexOf("Dark", StringComparison.Ordinal) >= 0)
{
View.Appearance = NSAppearance.GetAppearance(MacSystemInformation.OsVersion < MacSystemInformation.Mojave ? NSAppearance.NameVibrantDark : new NSString("NSAppearanceNameDarkAqua"));
}
else
{
View.Appearance = NSAppearance.GetAppearance(NSAppearance.NameAqua);
}
WidgetSpacing padding = 0;
if (Backend != null)
{
padding = Backend.Frontend.Padding;
}
View.AddConstraints(new NSLayoutConstraint [] {
NSLayoutConstraint.Create(NativeChild, NSLayoutAttribute.Left, NSLayoutRelation.Equal, View, NSLayoutAttribute.Left, 1, (nfloat)padding.Left),
NSLayoutConstraint.Create(NativeChild, NSLayoutAttribute.Right, NSLayoutRelation.Equal, View, NSLayoutAttribute.Right, 1, -(nfloat)padding.Right),
NSLayoutConstraint.Create(NativeChild, NSLayoutAttribute.Top, NSLayoutRelation.Equal, View, NSLayoutAttribute.Top, 1, (nfloat)padding.Top),
NSLayoutConstraint.Create(NativeChild, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, View, NSLayoutAttribute.Bottom, 1, -(nfloat)padding.Bottom),
});
}
public void WillShow(NSNotification notification)
{
if (parent != notification.Object)
{
return;
}
ChildBackend.SetAutosizeMode(true);
Child.Surface.Reallocate();
if (BackgroundColor != null)
{
if (View.Window.ContentView.Superview.Layer == null)
{
View.Window.ContentView.Superview.WantsLayer = true;
}
View.Window.ContentView.Superview.Layer.BackgroundColor = BackgroundColor;
}
WidgetSpacing padding = 0;
if (Backend != null)
{
padding = Backend.Frontend.Padding;
}
NativeChild.SetFrameOrigin(new CGPoint((nfloat)padding.Left, (nfloat)padding.Top));
shown = true;
}
void RemoveChild()
{
if (Child != null)
{
NativeChild.RemoveFromSuperview();
NativeChild.SetFrameOrigin(new CGPoint(0, 0));
ChildBackend.SetAutosizeMode(false);
Child = null;
ChildBackend = null;
}
}
