protected override void OnKeyTipAccessed(KeyTipAccessedEventArgs e)
{
if (e.OriginalSource == this)
{
if (this.IsEditable)
{
if (EditableTextBoxSite != null)
{
RibbonHelper.OpenParentRibbonGroupDropDownSync(this, TemplateApplied);
EditableTextBoxSite.Focus();
EditableTextBoxSite.SelectAll();
}
e.Handled = true;
}
else
{
base.OnKeyTipAccessed(e);
}
}
else
{
base.OnKeyTipAccessed(e);
}
}
private void OnKeyTipExactMatch(DependencyObject exactMatchElement)
{
if (!((bool)(exactMatchElement.GetValue(UIElement.IsEnabledProperty))))
{
RibbonHelper.Beep();
return;
}
HideCurrentShowingKeyTips();
_prefixText = string.Empty;
KeyTipAccessedEventArgs eventArgs = new KeyTipAccessedEventArgs();
eventArgs.RoutedEvent = PreviewKeyTipAccessedEvent;
object oldFocusedElement = Keyboard.FocusedElement;
IInputElement inputElement = exactMatchElement as IInputElement;
if (inputElement != null)
{
inputElement.RaiseEvent(eventArgs);
eventArgs.RoutedEvent = KeyTipAccessedEvent;
inputElement.RaiseEvent(eventArgs);
}
// KeyTips might have been dismissed by one of the event handlers
// hence check again.
if (State != KeyTipState.None)
{
object newFocusedElement = Keyboard.FocusedElement;
DependencyObject newScope = eventArgs.TargetKeyTipScope;
if (newScope != null &&
!KeyTipService.GetIsKeyTipScope(newScope) &&
newScope != _currentGlobalScope)
{
throw new InvalidOperationException(SR.Get(SRID.ElementNotKeyTipScope));
}
if (newScope == null &&
KeyTipService.GetIsKeyTipScope(exactMatchElement))
{
newScope = exactMatchElement;
}
if (newScope != null)
{
// Show keytips for new scope in a dispatcher operation.
Dispatcher.CurrentDispatcher.BeginInvoke(
(Action)delegate()
{
ShowKeyTipsForScope(newScope, true);
},
DispatcherPriority.Loaded);
}
else
{
LeaveKeyTipMode(oldFocusedElement == newFocusedElement /*restoreFocus*/);
}
}
}