private static Dictionary <string, string> GetGestureTable(FrameworkElement Source)
{
Dictionary <string, string> GestureTable = new Dictionary <string, string>();
FrameworkElement Element = Source;
IGestureTranslator Translator = null;
for (; ;)
{
IGestureSource AsGestureSource;
if ((AsGestureSource = Element as IGestureSource) != null)
{
Translator = AsGestureSource.GestureTranslator;
}
ParseKeyBindings(Element.InputBindings, Translator, GestureTable);
FrameworkElement AsParentElement;
if ((AsParentElement = Element.Parent as FrameworkElement) != null)
{
Element = AsParentElement;
}
else
{
break;
}
}
return(GestureTable);
}
private static void ParseKeyBinding(KeyBinding Binding, IGestureTranslator Translator, Dictionary <string, string> GestureTable)
{
string Key;
ExtendedRoutedCommand AsExtendedCommand;
RoutedUICommand AsUICommand;
if ((AsExtendedCommand = Binding.Command as ExtendedRoutedCommand) != null)
{
Key = AsExtendedCommand.MenuHeader;
}
else if ((AsUICommand = Binding.Command as RoutedUICommand) != null)
{
Key = GestureHelper.ApplicationCommandName(AsUICommand);
}
else
{
Key = null;
}
if (Key != null && !GestureTable.ContainsKey(Key))
{
string GestureText;
if (GestureToText(Binding.Gesture, Translator, out GestureText))
{
GestureTable.Add(Key, GestureText);
}
}
}
private static string PostTranslateText(IGestureTranslator Translator, string Text)
{
if (Translator == null)
{
return(Text);
}
else
{
return(Translator.PostTranslate(Text));
}
}
private static void ParseKeyBindings(InputBindingCollection InputBindings, IGestureTranslator Translator, Dictionary <string, string> GestureTable)
{
foreach (InputBinding Binding in InputBindings)
{
KeyBinding AsKeyBinding;
if ((AsKeyBinding = Binding as KeyBinding) != null)
{
ParseKeyBinding(AsKeyBinding, Translator, GestureTable);
}
}
}
private static bool GetSystemGestureText(RoutedUICommand Command, FrameworkElement Source, out string DisplayString)
{
IGestureSource AsGestureSource;
if ((AsGestureSource = Source as IGestureSource) != null)
{
IGestureTranslator Translator = AsGestureSource.GestureTranslator;
if (Translator != null)
{
foreach (InputGesture Gesture in Command.InputGestures)
{
if (GestureToText(Gesture, Translator, out DisplayString))
{
return(true);
}
}
}
}
DisplayString = null;
return(false);
}
private static bool GestureToText(InputGesture Gesture, IGestureTranslator Translator, out string GestureText)
{
KeyGesture AsKeyGesture;
if ((AsKeyGesture = Gesture as KeyGesture) != null)
{
string LocalizedText = AsKeyGesture.GetDisplayStringForCulture(CultureInfo.CurrentCulture);
if (LocalizedText != null && LocalizedText.Length > 0)
{
GestureText = PostTranslateText(Translator, LocalizedText);
return(true);
}
if (AsKeyGesture.DisplayString != null && AsKeyGesture.DisplayString.Length > 0)
{
GestureText = PostTranslateText(Translator, AsKeyGesture.DisplayString);
return(true);
}
}
GestureText = null;
return(false);
}