public override void LayoutSubviews()
{
base.LayoutSubviews();
if (_lastSize.Equals(CGSize.Empty) || !_lastSize.Equals(Frame.Size))
{
_view.Layout(Frame.ToRectangle());
_lastSize = Frame.Size;
}
_nativeView.Frame = ContentView.Bounds;
}
public override void LayoutSubviews()
{
base.LayoutSubviews();
if (_lastSize.Equals(CGSize.Empty) || !_lastSize.Equals(Frame.Size))
{
_viewCell.View.Layout(Frame.ToRectangle());
_viewCell.OnSizeChanged(new Xamarin.Forms.Size(Frame.Size.Width, Frame.Size.Height));
_lastSize = Frame.Size;
}
_view.Frame = ContentView.Bounds;
}
public override void LayoutSubviews()
{
base.LayoutSubviews();
if (_lastSize.Equals(CGSize.Empty) || !_lastSize.Equals(Frame.Size) && ViewCell != null)
{
ViewCell?.View?.Layout(Frame.ToRectangle());
_lastSize = Frame.Size;
}
if (_view != null && !_view.Frame.Equals(Bounds))
{
_view.Frame = Bounds;
}
}
public override void LayoutSubviews()
{
base.LayoutSubviews();
if (_lastSize.Equals(CGSize.Empty) || !_lastSize.Equals(Frame.Size))
{
_viewCell.View.Layout(Frame.ToRectangle());
var result = _viewCell.View.Measure(-1, -1, MeasureFlags.IncludeMargins);
//ContentView.Bounds = new CGRect(ContentView.Bounds.X, ContentView.Bounds.Y, result.Minimum.Width, 200);
//ContentView.Frame = new CGRect(ContentView.Frame.X, ContentView.Frame.Y, result.Minimum.Width, 200);
//_viewCell.View.Layout(new Rectangle(0, 0, result.Minimum.Width, 200));
_lastSize = Frame.Size;
}
_view.Frame = ContentView.Bounds;
}
public override void LayoutSubviews()
{
base.LayoutSubviews();
//TODO update sizes of the xamarin view
if (_lastSize.Equals(CGSize.Empty) || !_lastSize.Equals(Frame.Size) || true)
{
var layout = _fastCell.View as Layout <View>;
if (layout != null)
{
layout.Layout(Frame.ToRectangle());
layout.ForceLayout();
FixChildLayouts(layout);
}
_lastSize = Frame.Size;
}
_view.Frame = ContentView.Bounds;
}
public override void SetFrameSize(CGSize newSize)
{
bool changed = !newSize.Equals(Frame.Size);
base.SetFrameSize(newSize);
if (changed)
{
context.InvokeUserCode(eventSink.OnBoundsChanged);
}
}
public override UIImage ToNativeImage(CGSize targetSize, UIColor color = default(UIColor), Thickness margin = default(Thickness))
{
if (bezierPath == null)
{
return(null);
}
CGSize imageSize = bezierPath.Bounds.Size;
if ((int)imageSize.Width <= 0 && (int)imageSize.Height <= 0)
{
return(null);
}
if (nfloat.IsNaN(targetSize.Width) && nfloat.IsNaN(targetSize.Height))
{
targetSize = new CGSize(0.85f * imageSize.Width, 0.85f * imageSize.Height);
}
else if (nfloat.IsNaN(targetSize.Width))
{
targetSize.Width = (imageSize.Width / imageSize.Height) * targetSize.Height;
}
else if (nfloat.IsNaN(targetSize.Height))
{
targetSize.Height = (imageSize.Height / imageSize.Width) * targetSize.Width;
}
if ((int)targetSize.Width <= 0 && (int)targetSize.Height <= 0)
{
return(null);
}
nfloat scale = 1f;
var translate = CGPoint.Empty;
if (!imageSize.Equals(targetSize))
{
var scaleX = targetSize.Width / imageSize.Width;
var scaleY = targetSize.Height / imageSize.Height;
scale = (nfloat)Math.Min(targetSize.Width / imageSize.Width, targetSize.Height / imageSize.Height);
if (scaleX > scaleY)
{
translate.X = (targetSize.Width - (imageSize.Width * scale)) * 0.5f;
}
else if (scaleX < scaleY)
{
translate.Y = (targetSize.Height - (imageSize.Height * scale)) * 0.5f;
}
}
UIImage image;
#if __IOS__
UIGraphics.BeginImageContextWithOptions(targetSize, false, 0);
using (var context = UIGraphics.GetCurrentContext()) {
context.TranslateCTM(translate.X, translate.Y);
context.ScaleCTM(scale, scale);
context.InterpolationQuality = CGInterpolationQuality.High;
context.SetFillColor((color ?? UIColor.Black).CGColor);
bezierPath.UsesEvenOddFillRule = (FillRule == FillRule.EvenOdd);
bezierPath.Fill();
image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
}
#elif __MACOS__
// macOS TODO
image = null;
#endif
return(image);
}
/*static TPKeyboardAvoidingState KeyboardAvoidingState()
* {
* TPKeyboardAvoidingState state = State;
* if(state == null)
* state = new TPKeyboardAvoidingState();
*
* return state;
* }*/
public static void TPKeyboardAvoiding_keyboardWillShow(this UIScrollView scrollView, NSNotification notification)
{
CGRect keyboardRect = scrollView.ConvertRectFromView((notification.UserInfo.ObjectForKey(UIKeyboard.FrameEndUserInfoKey) as NSValue).CGRectValue, null);
if (keyboardRect == CGRect.Empty)
{
return;
}
//TPKeyboardAvoidingState state = KeyboardAvoidingState();
if (State == null)
{
State = new TPKeyboardAvoidingState();
}
UIView firstResponder = scrollView.TPKeyboardAvoiding_findFirstResponderBeneathView(scrollView);
if (firstResponder == null)
{
return;
}
State.keyboardRect = keyboardRect;
if (!State.keyboardVisible)
{
State.priorInset = scrollView.ContentInset;
State.priorScrollIndicatorInsets = scrollView.ScrollIndicatorInsets;
State.priorPagingEnabled = scrollView.PagingEnabled;
}
State.keyboardVisible = true;
scrollView.PagingEnabled = false;
if (scrollView is TPKeyboardAvoidingScrollView)
{
State.priorContentSize = scrollView.ContentSize;
if (CGSize.Equals(scrollView.ContentSize, new CGSize(0, 0)))
{
// Set the content size, if it's not set. Do not set content size explicitly if auto-layout
// is being used to manage subviews
scrollView.ContentSize = scrollView.TPKeyboardAvoiding_calculatedContentSizeFromSubviewFrames();
}
}
// Shrink view's inset by the keyboard's height, and scroll to show the text field/view being edited
//TODO : need fix
UIView.BeginAnimations(null);
NSNumber number = notification.UserInfo.ValueForKey(UIKeyboard.AnimationCurveUserInfoKey) as NSNumber;
UIView.SetAnimationCurve((UIViewAnimationCurve)number.Int32Value);
number = notification.UserInfo.ValueForKey(UIKeyboard.AnimationDurationUserInfoKey) as NSNumber;
UIView.SetAnimationDuration(number.FloatValue);
// UIView.SetAnimationCurve (UIViewAnimationCurve.EaseIn);
// UIView.SetAnimationDuration (1.0);
scrollView.ContentInset = scrollView.TPKeyboardAvoiding_contentInsetForKeyboard();
nfloat viewableHeight = scrollView.Bounds.Size.Height - scrollView.ContentInset.Top - scrollView.ContentInset.Bottom;
scrollView.SetContentOffset(new CGPoint(scrollView.ContentOffset.X, (nfloat)scrollView.TPKeyboardAvoiding_idealOffsetForViewwithViewingAreaHeight(firstResponder, viewableHeight)), false);
scrollView.ScrollIndicatorInsets = scrollView.ContentInset;
scrollView.LayoutIfNeeded();
UIView.CommitAnimations();
}