/// <summary>
/// Determines whether the given control can provide a quick access toolbar item
/// </summary>
/// <param name="element">Control</param>
/// <returns>True if this control is able to provide
/// a quick access toolbar item, false otherwise</returns>
public static bool IsSupported(UIElement element)
{
IQuickAccessItemProvider provider = (element as IQuickAccessItemProvider);
if ((provider != null) && (provider.CanAddToQuickAccessToolBar))
{
return(true);
}
return(false);
}
private static object CoerceContextMenu(DependencyObject d, object basevalue)
{
IQuickAccessItemProvider control = d as IQuickAccessItemProvider;
if ((basevalue == null) && ((control == null) || control.CanAddToQuickAccessToolBar))
{
return(Ribbon.RibbonContextMenu);
}
return(basevalue);
}
private IQuickAccessItemProvider FindParentProvider()
{
DependencyObject parent = LogicalTreeHelper.GetParent(this);
while (parent != null)
{
IQuickAccessItemProvider provider = (parent as IQuickAccessItemProvider);
if (provider != null)
{
return(provider);
}
parent = LogicalTreeHelper.GetParent(parent);
}
return(null);
}
/// <summary>
/// Gets control which represents shortcut item.
/// This item MUST be syncronized with the original
/// and send command to original one control.
/// </summary>
/// <returns>Control which represents shortcut item</returns>
public override FrameworkElement CreateQuickAccessItem()
{
IQuickAccessItemProvider provider = FindParentProvider();
if (provider != null)
{
return(provider.CreateQuickAccessItem());
}
DropDownButton button = new DropDownButton();
button.PreviewMouseLeftButtonDown += OnFirstPreviewClick;
BindQuickAccessItem(button);
return(button);
}
public static FrameworkElement GetQuickAccessItem(UIElement element)
{
FrameworkElement result = null;
// If control supports the interface just return what it provides
IQuickAccessItemProvider provider = (element as IQuickAccessItemProvider);
if ((provider != null) && (provider.CanAddToQuickAccessToolBar))
{
result = ((IQuickAccessItemProvider)element).CreateQuickAccessItem();
}
// The control isn't supported
if (result == null)
{
throw new ArgumentException("The contol " + element.GetType().Name + " is not able to provide a quick access toolbar item");
}
return(result);
}
