public async void DismisPopup()
{
await PopupFramer.ScaleTo(0, 120, Easing.Linear);
Children.Remove(PopupFramer);
PopupFramer = null;
PopupFrame = null;
PopupStack = null;
if (IsModal)
{
Children.Remove(PopupShield);
PopupShield = null;
}
PopupVisible = false;
OnClosed(PopupChanged);
}
public void ShowPopup(View view, double scale = .80, bool modal = true, string title = "")
{
if (scale <= 1 && scale >= .25)
{
_viewScale = scale;
}
else
{
_viewScale = .80;
}
IsModal = modal;
PopupView = view;
PopupChanged = false;
_popupWidth = ParentPage.Width * _viewScale;
_popupHeight = ParentPage.Height * _viewScale;
if (_viewScale < 1)
{
PopupFrame = new Frame
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
HasShadow = true,
Padding = 4,
BackgroundColor = Color.Gray.WithLuminosity(.98)
};
}
else
{
IsModal = false;
PopupStack = new StackLayout
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Padding = 0,
Spacing = 0,
BackgroundColor = Color.Gray.WithLuminosity(.98)
};
}
var titleBarStack = new StackLayout
{
HorizontalOptions = LayoutOptions.FillAndExpand,
Orientation = StackOrientation.Horizontal,
VerticalOptions = LayoutOptions.Start,
Padding = new Thickness(5, 1, 5, 1),
Spacing = 1,
HeightRequest = 26,
BackgroundColor = Color.Transparent,
};
var tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += (s, e) => DismisPopup();
titleBarStack.GestureRecognizers.Add(tapGestureRecognizer);
var seperator = new BoxView {
HorizontalOptions = LayoutOptions.FillAndExpand, VerticalOptions = LayoutOptions.Start, HeightRequest = .5, BackgroundColor = Color.Gray.WithLuminosity(.8)
};
var closeButton = new Button
{
Text = "X",
FontSize = 18,
WidthRequest = 20,
HeightRequest = 24,
TextColor = Color.Gray.WithLuminosity(.3),
HorizontalOptions = LayoutOptions.End,
BorderRadius = 0,
VerticalOptions = LayoutOptions.Center,
};
TitleLabel = new Label
{
Text = (title == "") ? " " : title,
VerticalTextAlignment = TextAlignment.Center,
HorizontalTextAlignment = TextAlignment.Start,
FontSize = 18,
HeightRequest = 24,
HorizontalOptions = LayoutOptions.Start,
VerticalOptions = LayoutOptions.Center,
WidthRequest = _popupWidth - 21,
LineBreakMode = LineBreakMode.TailTruncation,
TextColor = Color.Gray.WithLuminosity(.3),
};
titleBarStack.Children.Add(TitleLabel);
titleBarStack.Children.Add(closeButton);
if (_viewScale < 1)
{
PopupFrame.Content = new StackLayout
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Padding = 0,
Spacing = 0,
HeightRequest = 26,
Children =
{
titleBarStack,
seperator,
view
}
};
}
else
{
PopupStack.Children.Add(titleBarStack);
PopupStack.Children.Add(seperator);
PopupStack.Children.Add(view);
}
closeButton.Clicked += ((object sender, EventArgs e) =>
{
DismisPopup();
return;
});
if (_viewScale < 1)
{
PopupFramer = PopupFrame;
}
else
{
PopupFramer = PopupStack;
}
_popupLeft = ((ParentPage.Width - ParentPage.Padding.HorizontalThickness) - _popupWidth) / 2;
_popupTop = ((ParentPage.Height - ParentPage.Padding.VerticalThickness) - _popupHeight) / 2;
SetLayoutFlags(PopupFramer, AbsoluteLayoutFlags.None);
SetLayoutBounds(PopupFramer, new Rectangle(_popupLeft + _popupWidth / 2, _popupTop + _popupHeight / 2, 0, 0));
if (IsModal)
{
PopupShield = new StackLayout
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = new Color(0, 0, 0, 0.4)
};
SetLayoutFlags(PopupShield, AbsoluteLayoutFlags.None);
Children.Add(PopupShield, new Rectangle(0, 0, ParentPage.Width, ParentPage.Height));
}
PopupVisible = true;
Children.Add(PopupFramer);
PopupFramer.LayoutTo(new Rectangle(_popupLeft, _popupTop, _popupWidth, _popupHeight), 150, Easing.Linear);
}