protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
OverlayLayer.GetOverlayLayer(this).Children.Add(FollowerControl);
AdornerLayer.GetAdornerLayer(this).PointerMoved += LayerControlOnPointerMoved;
}
internal static void CloseDialogOn(Control window, Control dialog)
{
Dispatcher.UIThread.Post(() =>
{
var layer = OverlayLayer.GetOverlayLayer(window);
if (layer.Children.Contains(dialog))
{
layer.Children.Remove(dialog);
}
});
}
internal static void CloseDialogOn(WindowBase window, Control dialog)
{
Dispatcher.UIThread.Post(() =>
{
var layer = OverlayLayer.GetOverlayLayer(window);
if (layer.Children.Contains(dialog))
{
layer.Children.Remove(dialog);
}
Debug.WriteLine("dialog closed");
});
}
static void UnsafeShow(string title, string content, TopLevel topLevel, bool activateIfOnDesktop = true)
{
if (activateIfOnDesktop && (topLevel is Window win))
{
win.Activate();
}
OverlayLayer.GetOverlayLayer(topLevel).Children.Add(ContentDialogFrame.GetFrame(new BasicMessageDialog()
{
Title = title,
Message = content
}, topLevel));
}
internal static void ShowDialogOn(Control window, Control dialog)
{
Dispatcher.UIThread.Post(() =>
{
var layer = OverlayLayer.GetOverlayLayer(window);
dialog.Width = layer.Bounds.Width;
dialog.Height = layer.Bounds.Height;
window.PropertyChanged += (s, e) =>
{
dialog.Width = layer.Bounds.Width;
dialog.Height = layer.Bounds.Height;
};
layer.Children.Add(dialog);
});
}
internal static void ShowDialogOn(WindowBase window, Control dialog)
{
Dispatcher.UIThread.Post(() =>
{
dialog.Width = window.Bounds.Width;
dialog.Height = window.Bounds.Height;
window.PropertyChanged += (s, e) =>
{
dialog.Width = window.Bounds.Width;
dialog.Height = window.Bounds.Height;
};
var layer = OverlayLayer.GetOverlayLayer(window);
layer.Children.Add(dialog);
Debug.WriteLine("dialog added");
});
}
private void LayerControlOnPointerMoved(object sender, PointerEventArgs e)
{
var cv = OverlayLayer.GetOverlayLayer(this.GetParentTOfVisual <Window>());
double delta_v, delta_h;
//double delta_vlow, delta_hlow;
delta_v = e.GetCurrentPoint(FollowerControl).Position.Y; //Math.Min(e.GetCurrentPoint(FollowerControl).Position.Y, FollowerControl.Bounds.Height - FollowerControl.MinHeight);
var t = Canvas.GetTop(FollowerControl) + delta_v;
var t_ = t - (FollowerControl.Bounds.Height / 2);
var t_s = cv.Bounds.Height - t_ - FollowerControl.Bounds.Height;//
if (t_s >= 0)
{
Canvas.SetBottom(FollowerControl, t_s);
if (t_ >= 0) //Canvas.GetTop(FollowerControl) >= 0 || Canvas.GetBottom(FollowerControl) >= 0
{
Canvas.SetTop(FollowerControl, t_); //
}
}
delta_h = e.GetCurrentPoint(FollowerControl).Position.X; //Math.Min(e.GetCurrentPoint(FollowerControl).Position.X, FollowerControl.Bounds.Width + FollowerControl.MinWidth);
var l = Canvas.GetLeft(FollowerControl) + delta_h;
var l_ = l - (FollowerControl.Bounds.Width / 2);
var l_s = cv.Bounds.Width - l_ - FollowerControl.Bounds.Width;//
if (l_s >= 0)
{
Canvas.SetRight(FollowerControl, l_s);
if (l_ >= 0) //Canvas.GetLeft(FollowerControl) >= 0 || Canvas.GetRight(FollowerControl) >= 0
{
Canvas.SetLeft(FollowerControl, l_);
}
}
#if DEBUG
// Debug.WriteLine($"moved to Top:{t_} Bottom:{t_s} Left:{l_} Right:{l_s}");
#endif
}
public static ContentDialogFrame GetFrame(object content, TopLevel topLevel)
{
if (ContentDialog.IsShowingDialog)
{
throw new Exception("Cannot show more than one content dialog simultaneously!");
}
else
{
LastFocusedElement = FocusManager.Instance.Current;
var layer = OverlayLayer.GetOverlayLayer(topLevel);
return(new ContentDialogFrame()
{
Content = content,
[!Button.WidthProperty] = layer.GetObservable(OverlayLayer.BoundsProperty).Select(x => x.Width).ToBinding(),
[!Button.HeightProperty] = layer.GetObservable(OverlayLayer.BoundsProperty).Select(x => x.Height).ToBinding()
});
}
}