partial void OnPopupPanelChangedPartial(PopupPanel previousPanel, PopupPanel newPanel)
{
if (previousPanel?.Superview != null)
{
// Remove the current child, if any.
previousPanel.Children.Clear();
previousPanel.RemoveFromSuperview();
}
if (newPanel != null)
{
if (Child != null)
{
// Make sure that the child does not find itself without a TemplatedParent
if (newPanel.TemplatedParent == null)
{
newPanel.TemplatedParent = TemplatedParent;
}
newPanel.AddSubview(Child);
}
newPanel.Background = GetPanelBackground();
RegisterPopupPanel();
}
}
partial void InitializePartial()
{
#if __ANDROID__
if (_useNativePopup)
{
InitializeNativePartial();
}
#endif
PopupPanel = new PopupPanel(this);
}
partial void OnPopupPanelChangedPartial(PopupPanel previousPanel, PopupPanel newPanel)
{
previousPanel?.Children.Clear();
if (PopupPanel != null)
{
if (Child != null)
{
PopupPanel.Children.Add(Child);
}
}
}
private void RegisterPopupPanel()
{
if (PopupPanel == null)
{
PopupPanel = new PopupPanel(this);
}
if (PopupPanel.Superview == null)
{
MainWindowContent?.AddSubview(PopupPanel);
}
}
partial void OnIsOpenChangedPartialNative(bool oldIsOpen, bool newIsOpen)
{
RegisterPopupPanel();
UpdateLightDismissLayer(newIsOpen);
// this is necessary as during initial measure the panel was Collapsed
// and got 0 available size from its parent (root Window element, usually a Frame)
// this will ensure the size of its child will be calculated properly
PopupPanel.OnInvalidateMeasure();
EnsureForward();
}
private void RegisterPopupPanel()
{
if (PopupPanel == null)
{
PopupPanel = new PopupPanel(this);
}
if (PopupPanel.Superview == null)
{
PopupPanel.IsVisualTreeRoot = true;
MainWindow.AddSubview(PopupPanel);
}
}
partial void OnChildChangedPartialNative(UIElement oldChild, UIElement newChild)
{
if (PopupPanel != null)
{
if (oldChild != null)
{
PopupPanel.RemoveChild(oldChild);
}
if (newChild != null)
{
PopupPanel.AddSubview(newChild);
}
}
}
partial void OnPopupPanelChangedPartialNative(PopupPanel previousPanel, PopupPanel newPanel)
{
previousPanel?.Children.Clear();
if (PopupPanel != null)
{
if (Child != null)
{
PopupPanel.Children.Add(Child);
}
}
newPanel.IsVisualTreeRoot = true;
_popupWindow.ContentView = newPanel;
UpdatePopupPanelDismissibleBackground(IsLightDismissEnabled);
}
/// <summary>
/// Ensure that Popup panel is forward-most in the window. This ensures it isn't hidden behind the main content, which can happen when
/// the Popup is created during initial launch.
/// </summary>
private void EnsureForward()
{
//macOS does not have BringSubviewToFront,
//solution based on https://stackoverflow.com/questions/4236304/os-x-version-of-bringsubviewtofront
if (PopupPanel.Layer.SuperLayer != null)
{
var superlayer = PopupPanel.Layer.SuperLayer;
PopupPanel.Layer.RemoveFromSuperLayer();
superlayer.AddSublayer(PopupPanel.Layer);
}
else if (PopupPanel.Superview != null)
{
var superview = PopupPanel.Superview;
PopupPanel.RemoveFromSuperview();
superview.AddSubview(PopupPanel);
}
}
partial void OnPopupPanelChangedPartial(PopupPanel previousPanel, PopupPanel newPanel)
{
#if __ANDROID__
if (_useNativePopup)
{
OnPopupPanelChangedPartialNative(previousPanel, newPanel);
}
else
#endif
{
previousPanel?.Children.Clear();
if (newPanel != null)
{
if (Child != null)
{
newPanel.Children.Add(Child);
}
newPanel.Background = GetPanelBackground();
}
}
}
partial void InitializePartial()
{
PopupPanel = new PopupPanel(this);
}
partial void OnUnloadedPartial()
{
PopupPanel?.RemoveFromSuperview();
}
partial void OnUnloadedPartial()
{
PopupPanel?.RemoveFromSuperview();
UnregisterPopupPanelChild();
}
partial void OnPopupPanelChangedPartialNative(PopupPanel previousPanel, PopupPanel newPanel);
