/// <summary>
/// Notify corresponding KeyTipAdorner regarding size change.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void OnSizeChanged(object sender, SizeChangedEventArgs e)
{
KeyTipControl keyTipControl = sender as KeyTipControl;
if (keyTipControl != null &&
keyTipControl.KeyTipAdorner != null)
{
keyTipControl.KeyTipAdorner.OnKeyTipControlSizeChanged(e);
}
}
/// <summary>
/// Links the given KeyTipControl as the visual child of self.
/// In the process sets various properties of the control.
/// </summary>
public void LinkKeyTipControl(DependencyObject keyTipElement, KeyTipControl keyTipControl)
{
Debug.Assert(_keyTipControl == null && keyTipControl.KeyTipAdorner == null);
_keyTipControl = keyTipControl;
_keyTipControl.KeyTipAdorner = this;
_keyTipControl.Text = KeyTipService.GetKeyTip(keyTipElement).ToUpper(KeyTipService.GetCultureForElement(keyTipElement));
_keyTipControl.IsEnabled = (bool)keyTipElement.GetValue(UIElement.IsEnabledProperty);
Style keyTipStyle = KeyTipService.GetKeyTipStyle(keyTipElement);
_keyTipControl.Style = keyTipStyle;
_keyTipControl.RenderTransform = _keyTipTransform;
bool clearCustomProperties = true;
if (keyTipStyle == null)
{
Ribbon.Ribbon ribbon = RibbonControlService.GetRibbon(PlacementTarget);
if (ribbon != null)
{
// Use Ribbon properties if the owner element belongs to a Ribbon.
keyTipStyle = KeyTipService.GetKeyTipStyle(ribbon);
if (keyTipStyle != null)
{
_keyTipControl.Style = keyTipStyle;
}
else
{
clearCustomProperties = false;
_keyTipControl.Background = ribbon.Background;
_keyTipControl.BorderBrush = ribbon.BorderBrush;
_keyTipControl.Foreground = ribbon.Foreground;
}
}
}
if (clearCustomProperties)
{
_keyTipControl.ClearValue(Control.BackgroundProperty);
_keyTipControl.ClearValue(Control.BorderBrushProperty);
_keyTipControl.ClearValue(Control.ForegroundProperty);
}
AddVisualChild(_keyTipControl);
EnsureTransform();
}
/// <summary>
/// Unlinks the earlier linked KeyTipControl from visual tree.
/// </summary>
public void UnlinkKeyTipControl()
{
if (_keyTipControl != null)
{
_keyTipControl.KeyTipAdorner = null;
RemoveVisualChild(_keyTipControl);
_keyTipControl = null;
}
}
/// <summary>
/// Links the given KeyTipControl as the visual child of self.
/// In the process sets various properties of the control.
/// </summary>
public void LinkKeyTipControl(DependencyObject keyTipElement, KeyTipControl keyTipControl)
{
Debug.Assert(_keyTipControl == null && keyTipControl.KeyTipAdorner == null);
_keyTipControl = keyTipControl;
_keyTipControl.KeyTipAdorner = this;
_keyTipControl.Text = KeyTipService.GetKeyTip(keyTipElement).ToUpper(KeyTipService.GetCultureForElement(keyTipElement));
_keyTipControl.IsEnabled = (bool)keyTipElement.GetValue(UIElement.IsEnabledProperty);
Style keyTipStyle = KeyTipService.GetKeyTipStyle(keyTipElement);
_keyTipControl.Style = keyTipStyle;
_keyTipControl.RenderTransform = _keyTipTransform;
bool clearCustomProperties = true;
if (keyTipStyle == null)
{
Ribbon.Ribbon ribbon = RibbonControlService.GetRibbon(PlacementTarget);
if (ribbon != null)
{
// Use Ribbon properties if the owner element belongs to a Ribbon.
keyTipStyle = KeyTipService.GetKeyTipStyle(ribbon);
if (keyTipStyle != null)
{
_keyTipControl.Style = keyTipStyle;
}
else
{
clearCustomProperties = false;
_keyTipControl.Background = ribbon.Background;
_keyTipControl.BorderBrush = ribbon.BorderBrush;
_keyTipControl.Foreground = ribbon.Foreground;
}
}
}
if (clearCustomProperties)
{
_keyTipControl.ClearValue(Control.BackgroundProperty);
_keyTipControl.ClearValue(Control.BorderBrushProperty);
_keyTipControl.ClearValue(Control.ForegroundProperty);
}
AddVisualChild(_keyTipControl);
EnsureTransform();
}
private static void LinkKeyTipControlToAdorner(KeyTipAdorner adorner, DependencyObject keyTipElement)
{
KeyTipService current = Current;
KeyTipControl keyTipControl = null;
if (current._cachedKeyTipControls != null &&
current._cachedKeyTipControls.Count > 0)
{
// Retrieve a KeyTipControl from cache for reuse.
int count = current._cachedKeyTipControls.Count;
keyTipControl = current._cachedKeyTipControls[count - 1];
current._cachedKeyTipControls.RemoveAt(count - 1);
}
if (keyTipControl == null)
{
keyTipControl = new KeyTipControl();
}
adorner.LinkKeyTipControl(keyTipElement, keyTipControl);
}
