// - (void)viewWillAppear:(BOOL)animated
public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear(animated);
if (!IsLeftMenuOpen() && !IsRightMenuOpen())
{
contentViewController.View.Frame = View.Bounds;
}
contentViewController.BeginAppearanceTransition(true, animated);
if (leftMenuViewController != null && leftMenuViewController.IsViewLoaded && leftMenuViewController.View.Superview != null)
{
leftMenuViewController.BeginAppearanceTransition(true, animated);
}
if (rightMenuViewController != null && rightMenuViewController.IsViewLoaded && rightMenuViewController.View.Superview != null)
{
rightMenuViewController.BeginAppearanceTransition(true, animated);
}
}
public void UpdateContent()
{
if (lastSize.Width != ContainerView.Bounds.Size.Width)
{
lastSize = ContainerView.Bounds.Size;
ContainerView.ContentOffset = new CGPoint(PageOffsetForChildIndex(CurrentIndex), 0);
}
lastSize = ContainerView.Bounds.Size;
var pagerViewControllers = pagerTabStripChildViewControllersForScrolling ?? ViewControllers;
ContainerView.ContentSize = new CGSize(ContainerView.Bounds.Width * new nfloat(pagerViewControllers.Count()), ContainerView.ContentSize.Height);
int pagerViewControllersCount = pagerViewControllers.Count();
for (int index = 0; index < pagerViewControllersCount; index++)
{
UIViewController childController = pagerViewControllers[index];
var pageOffsetForChild = PageOffsetForChildIndex((uint)index);
if (Math.Abs(ContainerView.ContentOffset.X - pageOffsetForChild) < ContainerView.Bounds.Width)
{
if (childController.ParentViewController != null)
{
childController.View.Frame = new CGRect(OffsetForChildIndex((uint)index), 0, View.Bounds.Width, ContainerView.Bounds.Height);
childController.View.AutoresizingMask = UIViewAutoresizing.FlexibleHeight | UIViewAutoresizing.FlexibleWidth;
}
else
{
childController.BeginAppearanceTransition(true, animated: false);
AddChildViewController(childController);
childController.View.Frame = new CGRect(OffsetForChildIndex((uint)index), 0, View.Bounds.Width, ContainerView.Bounds.Height);
childController.View.AutoresizingMask = UIViewAutoresizing.FlexibleHeight | UIViewAutoresizing.FlexibleWidth;
ContainerView.AddSubview(childController.View);
childController.DidMoveToParentViewController(this);
childController.EndAppearanceTransition();
}
}
else
{
if (childController.ParentViewController != null)
{
childController.BeginAppearanceTransition(false, animated: false);
childController.WillMoveToParentViewController(null);
childController.View.RemoveFromSuperview();
childController.RemoveFromParentViewController();
childController.EndAppearanceTransition();
}
}
}
var oldCurrentIndex = CurrentIndex;
var virtualPage = VirtualPageForContentOffset(ContainerView.ContentOffset.X);
var newCurrentIndex = PageForVirtualPage(virtualPage);
CurrentIndex = (uint)newCurrentIndex;
var changeCurrentIndex = newCurrentIndex != oldCurrentIndex;
IPagerTabStripIsProgressiveDelegate progressiveDelegate = this as IPagerTabStripIsProgressiveDelegate;
if (progressiveDelegate != null && PagerBehaviour.IsProgressiveIndicator)
{
Tuple <int, int, nfloat> data = ProgressiveIndicatorData((uint)virtualPage);
progressiveDelegate.PagerTabStripViewController(this, data.Item1, data.Item2, data.Item3, changeCurrentIndex);
}
else
{
Delegate?.PagerTabStripViewController(this, Math.Min((int)oldCurrentIndex, pagerViewControllers.Count() - 1), (int)newCurrentIndex);
}
}
private void ShowRightMenuViewController()
{
if (RightMenuViewController == null)
{
return;
}
RightMenuViewController.BeginAppearanceTransition(true, true);
RightMenuViewController.View.Hidden = false;
if (LeftMenuViewController != null)
{
LeftMenuViewController.View.Hidden = true;
}
View.Window.EndEditing(true);
AddContentButton();
UpdateContentViewShadow();
ResetContentViewScale();
UIApplication.SharedApplication.BeginIgnoringInteractionEvents();
UIView.Animate(AnimationDuration, () =>
{
if (ScaleContentView)
{
_contentViewContainer.Transform = CGAffineTransform.MakeScale(ContentViewScaleValue, ContentViewScaleValue);
}
else
{
_contentViewContainer.Transform = CGAffineTransform.MakeIdentity();
}
var currentOrientation = UIApplication.SharedApplication.StatusBarOrientation;
bool isPortrait = currentOrientation == UIInterfaceOrientation.Portrait ||
currentOrientation == UIInterfaceOrientation.PortraitUpsideDown;
var centerPointX = isPortrait ? -ContentViewInPortraitOffsetCenterX : -ContentViewInLandscapeOffsetCenterX;
var centerPointY = _contentViewContainer.Center.Y;
_contentViewContainer.Center = new CGPoint(centerPointX, centerPointY);
_menuViewContainer.Alpha = !FadeMenuView ? 0 : 1.0f;
_contentViewContainer.Alpha = ContentViewFadeOutAlpha;
_menuViewContainer.Transform = CGAffineTransform.MakeIdentity();
if (ScaleBackgroundImageView)
{
_backgroundImageView.Transform = CGAffineTransform.MakeIdentity();
}
},
() =>
{
RightMenuViewController.EndAppearanceTransition();
if (!_visible)
{
DidShowMenuViewController?.Invoke(this, RightMenuViewController);
}
_visible = !(_contentViewContainer.Frame.Width == View.Bounds.Width && _contentViewContainer.Frame.Height == View.Bounds.Height && _contentViewContainer.Frame.X == 0 && _contentViewContainer.Frame.Y == 0);
RightMenuVisible = _visible;
_menuState = MenuState.RightOpened;
UIApplication.SharedApplication.EndIgnoringInteractionEvents();
AddContentViewControllerMotionEffects();
});
StatusBarNeedsAppearanceUpdate();
}