private static void UpdateAttachedAdorner(UIElement element)
{
var layer = AdornerLayer.GetAdornerLayer(element);
if (layer == null)
{
var fe = element as FrameworkElement;
if (fe != null && !fe.IsLoaded)
{
RoutedEventHandler handler = null;
handler = (s, e) =>
{
fe.Loaded -= handler;
UpdateAttachedAdorner(fe);
};
// This element is not loaded yet. Check again when it is
fe.Loaded += handler;
}
else
{
Debug.WriteLine("No adorner layer! Element is not a framework element, or already loaded! Hands thrown up!");
}
}
else
{
bool isVisible = GetIsAdornerVisible(element);
Key key;
string mode;
Point? offset = GetOffset(element);
HorizontalAlignment?horizontalAlignment = GetHorizontalAlignment(element);
VerticalAlignment? verticalAlignment = GetVerticalAlignment(element);
ShortcutAdorner adorner = GetShortcutAdorner(element);
if (!GetShortcutKeyAndMode(element, out key, out mode))
{
if (adorner != null)
{
layer.Remove(adorner);
SetShortcutAdorner(element, null);
adorner = null;
}
}
else
{
if (adorner == null)
{
if (isVisible)
{
adorner = new ShortcutAdorner(element);
layer.Add(adorner);
SetShortcutAdorner(element, adorner);
}
}
else
{
if (!isVisible)
{
layer.Remove(adorner);
SetShortcutAdorner(element, null);
adorner = null;
}
}
if (adorner != null)
{
string keyText = key.ToString();
if (key >= Key.D0 && key <= Key.D9)
{
keyText = keyText.Substring(1);
}
adorner.SetShortcutKey(keyText);
adorner.SetPosition(offset, horizontalAlignment, verticalAlignment);
}
}
}
}
private static void UpdateAttachedAdorner(UIElement element)
{
var layer = AdornerLayer.GetAdornerLayer(element);
if (layer == null)
{
var fe = element as FrameworkElement;
if (fe != null && !fe.IsLoaded)
{
RoutedEventHandler handler = null;
handler = (s, e) =>
{
fe.Loaded -= handler;
UpdateAttachedAdorner(fe);
};
// This element is not loaded yet. Check again when it is
fe.Loaded += handler;
}
else
{
Debug.WriteLine("No adorner layer! Element is not a framework element, or already loaded! Hands thrown up!");
}
}
else
{
bool isVisible = GetIsAdornerVisible(element);
Key key;
string mode;
Point? offset = GetOffset(element);
HorizontalAlignment? horizontalAlignment = GetHorizontalAlignment(element);
VerticalAlignment? verticalAlignment = GetVerticalAlignment(element);
ShortcutAdorner adorner = GetShortcutAdorner(element);
if (!GetShortcutKeyAndMode(element, out key, out mode))
{
if (adorner != null)
{
layer.Remove(adorner);
SetShortcutAdorner(element, null);
adorner = null;
}
}
else
{
if (adorner == null)
{
if (isVisible)
{
adorner = new ShortcutAdorner(element);
layer.Add(adorner);
SetShortcutAdorner(element, adorner);
}
}
else
{
if (!isVisible)
{
layer.Remove(adorner);
SetShortcutAdorner(element, null);
adorner = null;
}
}
if (adorner != null)
{
string keyText = key.ToString();
if (key >= Key.D0 && key <= Key.D9)
{
keyText = keyText.Substring(1);
}
adorner.SetShortcutKey(keyText);
adorner.SetPosition(offset, horizontalAlignment, verticalAlignment);
}
}
}
}
public static void SetShortcutAdorner(UIElement obj, ShortcutAdorner value)
{
obj.SetValue(ShortcutAdornerProperty, value);
}
public static void SetShortcutAdorner(UIElement obj, ShortcutAdorner value)
{
obj.SetValue(ShortcutAdornerProperty, value);
}
