public static void RaiseMenuItemClickOnKeyGesture(this ItemsControl control, KeyEventArgs args, bool throwOnError)
{
if (args == null)
throw new ArgumentNullException("e");
if (control == null)
return;
KeyGestureConverter kgc = new KeyGestureConverter();
foreach (var item in control.Items.OfType<MenuItem>())
{
if (!string.IsNullOrWhiteSpace(item.InputGestureText))
{
KeyGesture gesture = null;
if (throwOnError)
{
gesture = kgc.ConvertFrom(item.InputGestureText) as KeyGesture;
}
else
{
try
{
gesture = kgc.ConvertFrom(item.InputGestureText) as KeyGesture;
}
catch
{
}
}
if (gesture != null && gesture.Matches(null, args))
{
item.RaiseEvent(new RoutedEventArgs(MenuItem.ClickEvent));
args.Handled = true;
return;
}
}
RaiseMenuItemClickOnKeyGesture(item, args, throwOnError);
if (args.Handled)
return;
}
}
protected override ModifierKeys ConvertFrom(string value) {
KeyGestureConverter c = new KeyGestureConverter();
return ((KeyGesture)c.ConvertFrom(value)).ModifierKeys;
}
public void ConverterTest2() {
KeyGesture keyGesture;
KeyGestureConverter c = new KeyGestureConverter();
keyGesture = (KeyGesture)c.ConvertFrom(" CTRL + alt + wIN + a");
Assert.AreEqual(ModifierKeys.Control | ModifierKeys.Alt | ModifierKeys.Windows, keyGesture.ModifierKeys);
Assert.AreEqual(Key.A, keyGesture.Key);
keyGesture = (KeyGesture)c.ConvertFrom(" CTRL + wIN + f10 + alt");
Assert.AreEqual(ModifierKeys.Control | ModifierKeys.Alt | ModifierKeys.Windows, keyGesture.ModifierKeys);
Assert.AreEqual(Key.F10, keyGesture.Key);
keyGesture = (KeyGesture)c.ConvertFrom("Ctrl+Enter");
Assert.AreEqual(ModifierKeys.Control, keyGesture.ModifierKeys);
Assert.AreEqual(Key.Enter, keyGesture.Key);
Assert.AreEqual("Ctrl+A", c.ConvertTo(new KeyGesture(Key.A, ModifierKeys.Control), typeof(string)));
AssertHelper.AssertThrows<NotSupportedException>(() => {
c.ConvertFrom(" CTRL + wIN + f10 + alt + b");
});
AssertHelper.AssertThrows<NotSupportedException>(() => {
c.ConvertTo(new KeyGesture(Key.A, ModifierKeys.Control), typeof(int));
});
}
private void CreateKeyBindings(ElementViewModel attachedViewModel)
{
control.InputBindings.Clear();
var converter = new KeyGestureConverter();
foreach (var command in attachedViewModel.Commands)
{
if (!string.IsNullOrEmpty(command.KeyGesture))
{
control.InputBindings.Add(
new InputBinding(command,
(KeyGesture)converter.ConvertFrom(command.KeyGesture)
)
);
}
}
}
void InitMainMenu()
{
KeyGestureConverter kgc = new KeyGestureConverter();
foreach (var topLevelMenu in mainMenuCommands.OrderBy(c => c.Metadata.MenuOrder).GroupBy(c => c.Metadata.Menu)) {
var topLevelMenuItem = mainMenu.Items.OfType<MenuItem>().FirstOrDefault(m => (m.Header as string) == topLevelMenu.Key);
foreach (var category in topLevelMenu.GroupBy(c => c.Metadata.MenuCategory)) {
if (topLevelMenuItem == null) {
topLevelMenuItem = new MenuItem();
topLevelMenuItem.Header = topLevelMenu.Key;
mainMenu.Items.Add(topLevelMenuItem);
} else if (topLevelMenuItem.Items.Count > 0) {
topLevelMenuItem.Items.Add(new Separator());
}
foreach (var entry in category) {
MenuItem menuItem = new MenuItem();
menuItem.Command = CommandWrapper.Unwrap(entry.Value);
if (!string.IsNullOrEmpty(entry.Metadata.Header))
menuItem.Header = entry.Metadata.Header;
if (!string.IsNullOrEmpty(entry.Metadata.MenuIcon)) {
menuItem.Icon = new Image {
Width = 16,
Height = 16,
Source = Images.LoadImage(entry.Value, entry.Metadata.MenuIcon)
};
}
menuItem.IsEnabled = entry.Metadata.IsEnabled;
menuItem.InputGestureText = entry.Metadata.InputGestureText;
if (!string.IsNullOrWhiteSpace(menuItem.InputGestureText))
{
this.InputBindings.Add(new InputBinding(menuItem.Command, kgc.ConvertFrom(menuItem.InputGestureText) as InputGesture));
}
topLevelMenuItem.Items.Add(menuItem);
}
}
}
}
