private void InsertPopupViewInCurrentPage(ContentPage currentPage, View popupView, bool hideOnBackgroundTapped, Action <IDialogParameters> callback)
{
View mask = DialogLayout.GetMask(popupView);
if (mask is null)
{
Style overlayStyle = GetOverlayStyle(popupView);
mask = new BoxView
{
Style = overlayStyle
};
}
mask.SetBinding(VisualElement.WidthRequestProperty, new Binding {
Path = "Width", Source = currentPage
});
mask.SetBinding(VisualElement.HeightRequestProperty, new Binding {
Path = "Height", Source = currentPage
});
if (hideOnBackgroundTapped)
{
var dismissCommand = new Command(() => callback(new DialogParameters()));
mask.GestureRecognizers.Add(new TapGestureRecognizer
{
Command = dismissCommand
});
}
var overlay = new AbsoluteLayout();
overlay.SetValue(IsPopupHostProperty, true);
var existingContent = currentPage.Content;
var content = new DialogContainer
{
Padding = currentPage.Padding,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
IsPageContent = true
};
currentPage.Padding = new Thickness(0);
var popupContainer = new DialogContainer
{
IsPopupContent = true,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Content = popupView,
};
var relativeWidth = DialogLayout.GetRelativeWidthRequest(popupView);
if (relativeWidth != null)
{
popupContainer.SetBinding(DialogContainer.WidthRequestProperty,
new Binding("Width",
BindingMode.OneWay,
new RelativeContentSizeConverter {
RelativeSize = relativeWidth.Value
},
source: currentPage));
}
var relativeHeight = DialogLayout.GetRelativeHeightRequest(popupView);
if (relativeHeight != null)
{
popupContainer.SetBinding(DialogContainer.HeightRequestProperty,
new Binding("Height",
BindingMode.OneWay,
new RelativeContentSizeConverter {
RelativeSize = relativeHeight.Value
},
source: currentPage));
}
AbsoluteLayout.SetLayoutFlags(content, AbsoluteLayoutFlags.PositionProportional);
AbsoluteLayout.SetLayoutBounds(content, new Rectangle(0f, 0f, currentPage.Width, currentPage.Height));
AbsoluteLayout.SetLayoutFlags(popupContainer, AbsoluteLayoutFlags.PositionProportional);
var popupBounds = DialogLayout.GetLayoutBounds(popupView);
AbsoluteLayout.SetLayoutBounds(popupContainer, popupBounds);
overlay.Children.Add(content);
if (DialogLayout.GetUseMask(popupContainer.Content) ?? true)
{
overlay.Children.Add(mask);
}
overlay.Children.Add(popupContainer);
currentPage.Content = overlay;
// The original content needs to be reparented after the Page Content has been reset.
content.Content = existingContent;
}
private void InsertPopupViewInCurrentPage(ContentPage currentPage, DialogPage modalPage, View popupView, bool hideOnBackgroundTapped, Action <IDialogParameters> callback)
{
View mask = DialogLayout.GetMask(popupView);
if (mask is null)
{
Style overlayStyle = GetOverlayStyle(popupView);
mask = new BoxView
{
Style = overlayStyle
};
}
mask.SetBinding(VisualElement.WidthRequestProperty, new Binding {
Path = "Width", Source = modalPage
});
mask.SetBinding(VisualElement.HeightRequestProperty, new Binding {
Path = "Height", Source = modalPage
});
if (hideOnBackgroundTapped)
{
var dismissCommand = new Command(() => callback(new DialogParameters()));
mask.GestureRecognizers.Add(new TapGestureRecognizer
{
Command = dismissCommand
});
}
var overlay = new AbsoluteLayout();
var popupContainer = new DialogContainer
{
IsPopupContent = true,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Content = popupView,
};
var relativeWidth = DialogLayout.GetRelativeWidthRequest(popupView);
if (relativeWidth != null)
{
popupContainer.SetBinding(DialogContainer.WidthRequestProperty,
new Binding("Width",
BindingMode.OneWay,
new RelativeContentSizeConverter {
RelativeSize = relativeWidth.Value
},
source: modalPage));
}
var relativeHeight = DialogLayout.GetRelativeHeightRequest(popupView);
if (relativeHeight != null)
{
popupContainer.SetBinding(DialogContainer.HeightRequestProperty,
new Binding("Height",
BindingMode.OneWay,
new RelativeContentSizeConverter {
RelativeSize = relativeHeight.Value
},
source: modalPage));
}
AbsoluteLayout.SetLayoutFlags(popupContainer, AbsoluteLayoutFlags.PositionProportional);
var popupBounds = DialogLayout.GetLayoutBounds(popupView);
AbsoluteLayout.SetLayoutBounds(popupContainer, popupBounds);
if (DialogLayout.GetUseMask(popupContainer.Content) ?? true)
{
overlay.Children.Add(mask);
}
overlay.Children.Add(popupContainer);
modalPage.Content = overlay;
modalPage.DialogView = popupView;
currentPage.Navigation.PushModalAsync(modalPage, true);
}