public CommandToolBarItemDefinition(ToolBarItemGroupDefinition group, int sortOrder,
ToolBarItemDisplay display = ToolBarItemDisplay.IconOnly)
: base(group, sortOrder, display)
{
_commandDefinition = IoC.Get <ICommandService>().GetCommandDefinition(typeof(TCommandDefinition));
KeyGesture = IoC.Get <ICommandKeyGestureService>().GetPrimaryKeyGesture(_commandDefinition);
}
public CommandBarCommandItemDefinition(Guid id, uint sortOrder, CommandDefinitionBase commandDefinition, bool isCustom = false,
bool isCustomizable = true)
: base(null, sortOrder, null, commandDefinition, true, false, isCustom, isCustomizable)
{
Id = id;
Text = CommandDefinition?.Text;
Name = CommandDefinition?.Name;
}
public CommandMenuItemDefinition(MenuItemGroupDefinition group, int sortOrder)
: base(group, sortOrder)
{
var commandService = IoC.Get <ICommandService>();
_commandDefinition = commandService.GetCommandDefinition(typeof(TCommandDefinition));
KeyGesture = IoC.Get <ICommandKeyGestureService>().GetPrimaryKeyGesture(_commandDefinition);
}
public Command GetCommand(CommandDefinitionBase commandDefinition)
{
if (!_commands.TryGetValue(commandDefinition, out var command))
{
command = _commands[commandDefinition] = new Command(commandDefinition);
}
return(command);
}
object ICommandRerouter.GetHandler(CommandDefinitionBase commandDefinition)
{
if (commandDefinition is UndoCommandDefinition ||
commandDefinition is RedoCommandDefinition)
{
return(_shell.ActiveItem);
}
return(null);
}
public ICommandHandlerProxy GetCommandHandlerProxy(CommandDefinitionBase commandDefinition)
{
var handler = GetCommandHandler(commandDefinition);
if (handler != null)
{
var type = typeof(CommandHandlerProxy <>).MakeGenericType(commandDefinition.GetType());
return((ICommandHandlerProxy)Activator.CreateInstance(type, handler));
}
return(null);
}
private CommandHandlerWrapper GetCommandHandlerForLayoutItem(CommandDefinitionBase commandDefinition, object activeItemViewModel)
{
var activeItemView = ViewLocator.LocateForModel(activeItemViewModel, null, null);
var activeItemWindow = Window.GetWindow(activeItemView);
if (activeItemWindow == null)
{
return(null);
}
var startElement = FocusManager.GetFocusedElement(activeItemView) ?? activeItemView;
// First, we look at the currently focused element, and iterate up through
// the tree, giving each DataContext a chance to handle the command.
return(FindCommandHandlerInVisualTree(commandDefinition, startElement));
}
private CommandHandlerWrapper FindCommandHandlerInVisualTree(CommandDefinitionBase commandDefinition, IInputElement target)
{
if (!(target is DependencyObject visualObject))
{
return(null);
}
object previousDataContext = null;
do
{
var frameworkElement = visualObject as FrameworkElement;
var dataContext = frameworkElement?.DataContext;
if (dataContext != null && !ReferenceEquals(dataContext, previousDataContext))
{
if (dataContext is ICommandRerouter context)
{
var commandRerouter = context;
var commandTarget = commandRerouter.GetHandler(commandDefinition);
if (commandTarget != null)
{
if (IsCommandHandlerForCommandDefinitionType(commandTarget, commandDefinition.GetType()))
{
return(CreateCommandHandlerWrapper(commandDefinition.GetType(), commandTarget));
}
throw new InvalidOperationException("This object does not handle the specified command definition.");
}
}
if (IsCommandHandlerForCommandDefinitionType(dataContext, commandDefinition.GetType()))
{
return(CreateCommandHandlerWrapper(commandDefinition.GetType(), dataContext));
}
previousDataContext = dataContext;
}
visualObject = VisualTreeHelper.GetParent(visualObject);
} while (visualObject != null);
return(null);
}
public CommandHandlerWrapper GetCommandHandler(CommandDefinitionBase commandDefinition)
{
CommandHandlerWrapper commandHandler;
var shell = IoC.Get <IDockingHostViewModel>();
var activeItemViewModel = shell.ActiveLayoutItemBase;
if (activeItemViewModel != null)
{
commandHandler = GetCommandHandlerForLayoutItem(commandDefinition, activeItemViewModel);
if (commandHandler != null)
{
return(commandHandler);
}
}
var activeDocumentViewModel = shell.ActiveItem;
if (activeDocumentViewModel != null && !Equals(activeDocumentViewModel, activeItemViewModel))
{
commandHandler = GetCommandHandlerForLayoutItem(commandDefinition, activeDocumentViewModel);
if (commandHandler != null)
{
return(commandHandler);
}
}
// If none of the objects in the DataContext hierarchy handle the command,
// fallback to the global handler.
if (!_globalCommandHandlerWrappers.TryGetValue(commandDefinition.GetType(), out commandHandler))
{
return(null);
}
return(commandHandler);
}
public ICommandHandler GetCommandHandler(CommandDefinitionBase commandDefinition)
{
_commandHandlers.TryGetValue(commandDefinition.GetType(), out var handler);
return(handler);
}
public CommandMenuItemDefinition(MenuItemGroupDefinition group, int sortOrder)
: base(group, sortOrder)
{
CommandDefinition = Locator.Current.GetService <ICommandService>().GetCommandDefinition(typeof(TCommandDefinition));
}
public CommandMenuItemDefinition(MenuItemGroupDefinition group, int sortOrder)
: base(group, sortOrder)
{
_commandDefinition = IoC.Get <ICommandService>().GetCommandDefinition(typeof(TCommandDefinition));
}
public ExcludedCommandDefinition(CommandDefinitionBase excludedDefinition)
{
ExcludedDefinition = excludedDefinition;
}
