public override Size MeasureItem(int index, int widthConstraint, int heightConstraint)
{
View?view = GetTemplatedView(index);
if (view != null)
{
var native = view.ToPlatform(_context);
view.Parent = _element;
if (Count > index)
{
view.BindingContext = this[index];
}
var size = view.Measure(DPExtensions.ConvertToScaledDP(widthConstraint), DPExtensions.ConvertToScaledDP(heightConstraint), MeasureFlags.IncludeMargins).Request;
native.Unrealize();
return(size.ToEFLPixel());
}
return(new Size(0, 0));
}
public override Size MeasureItem(int index, int widthConstraint, int heightConstraint)
{
var item = this[index];
if (item != null && _dataBindedViewTable.TryGetValue(item, out View? createdView) && createdView != null)
{
return(createdView.Measure(DPExtensions.ConvertToScaledDP(widthConstraint), DPExtensions.ConvertToScaledDP(heightConstraint), MeasureFlags.IncludeMargins).Request.ToEFLPixel());
}
return(new Size(0, 0));
}
public override Size MeasureHeader(int widthConstraint, int heightConstraint)
{
return(_headerCache?.Measure(DPExtensions.ConvertToScaledDP(widthConstraint), DPExtensions.ConvertToScaledDP(heightConstraint)).Request.ToEFLPixel() ?? new Size(0, 0));
}
public override Size MeasureHeader(int widthConstraint, int heightConstraint)
{
return _headerCache?.Measure(DPExtensions.ConvertToScaledDP(widthConstraint), double.PositiveInfinity).Request.ToEFLPixel() ?? new Size(0, 0);
}