GenItemClass GetCancelEffectTemplete()
{
if (_cancelEffectTemplete != null)
{
return(_cancelEffectTemplete);
}
_cancelEffectTemplete = new GenItemClass("full_off")
{
GetContentHandler = (data, part) =>
{
VisualElement element = data as VisualElement;
var renderer = Platform.GetOrCreateRenderer(element);
if (element.MinimumHeightRequest == -1)
{
SizeRequest request = element.Measure(double.PositiveInfinity, double.PositiveInfinity);
renderer.NativeView.MinimumHeight = XForms.ConvertToScaledPixel(request.Request.Height);
}
else
{
renderer.NativeView.MinimumHeight = XForms.ConvertToScaledPixel(element.MinimumHeightRequest);
}
(renderer as LayoutRenderer)?.RegisterOnLayoutUpdated();
return(renderer.NativeView);
}
};
return(_cancelEffectTemplete);
}
void UpdateContentSize()
{
_scrollCanvas.MinimumWidth = XForms.ConvertToScaledPixel(Element.ContentSize.Width + Element.Padding.HorizontalThickness);
_scrollCanvas.MinimumHeight = XForms.ConvertToScaledPixel(Element.ContentSize.Height + Element.Padding.VerticalThickness);
Device.BeginInvokeOnMainThread(() =>
{
if (Control != null)
{
OnScrolled(Control, EventArgs.Empty);
}
});
}
void CreatePopup()
{
if (_popup != null)
{
return;
}
ElmSharp.EvasObject parent = null;
if (Control?.Parent != null)
{
parent = Control.Parent;
}
if (parent == null)
{
parent = XForms.NativeParent;
}
_popup = new SelectContextPopup(parent);
_popup.Dismissed += (s, e) => _behavior.Visibility = false;
_popup.Accepted += (s, e) => _behavior?.AcceptCommand?.Execute(_behavior?.AcceptCommandParameter);
_popup.Canceled += (s, e) => _behavior?.CancelCommand?.Execute(_behavior?.CancelCommandParameter);
string accept = _behavior.AcceptText ?? "";
var acceptItem = _popup.Append(accept);
string cancel = _behavior.CancelText;
if (!string.IsNullOrEmpty(cancel))
{
var cancelItem = _popup.Append(cancel);
acceptItem.Style = "select_mode/top";
cancelItem.Style = "select_mode/bottom";
cancelItem.Selected += (s, e) => _popup.Cancel();
}
acceptItem.Selected += (s, e) => _popup.Accept();
var option = _behavior.PositionOption;
var offset = _behavior.Offset;
int x, y;
Rect rect;
Rect ctxRect = _popup.Geometry;
switch (option)
{
case PositionOption.Absolute:
x = XForms.ConvertToPixel(offset.X);
y = XForms.ConvertToPixel(offset.Y);
break;
case PositionOption.BottomOfView:
rect = Control.Geometry;
x = rect.X + rect.Width / 2 + XForms.ConvertToPixel(offset.X);
y = rect.Y + rect.Height + XForms.ConvertToPixel(offset.Y);
break;
case PositionOption.CenterOfParent:
rect = XForms.NativeParent.Geometry;
x = rect.Width / 2 + XForms.ConvertToPixel(offset.X);
y = rect.Height / 2 - ctxRect.Height / 2 + XForms.ConvertToPixel(offset.Y);
break;
case PositionOption.Relative:
rect = XForms.NativeParent.Geometry;
x = (int)(rect.Width * offset.X);
y = (int)(rect.Height * offset.Y);
break;
default:
x = 0;
y = 0;
break;
}
var window = XForms.NativeParent.Geometry;
if (y + ctxRect.Height > window.Height)
{
y = window.Height - ctxRect.Height;
}
_popup.Move(x, y);
}
public FormsWatchface()
{
XForms.SetFlags("LightweightPlatform_Experimental");
_isInitialStart = true;
}