public static void SubscribeToHistoryEvents(IExecutableItem toolBarItem,
Func <IUndoRedoManager, IObservableCollection <IUndoableAction> > stackCallback)
{
NotifyCollectionChangedEventHandler handler = (sender, e) => toolBarItem.RaiseCanExecuteChanged();
var shell = IoC.Get <IShell>();
shell.ActiveDocumentChanging += (sender, e) =>
{
if (shell.ActiveItem != null)
{
stackCallback(shell.ActiveItem.UndoRedoManager).CollectionChanged -= handler;
}
};
shell.ActiveDocumentChanged += (sender, e) =>
{
if (shell.ActiveItem != null)
{
stackCallback(shell.ActiveItem.UndoRedoManager).CollectionChanged += handler;
}
toolBarItem.RaiseCanExecuteChanged();
};
if (shell.ActiveItem != null)
{
stackCallback(shell.ActiveItem.UndoRedoManager).CollectionChanged += handler;
}
}
public static void SubscribeToHistoryEvents(IExecutableItem toolBarItem,
Func<IUndoRedoManager, IObservableCollection<IUndoableAction>> stackCallback)
{
NotifyCollectionChangedEventHandler handler = (sender, e) => toolBarItem.RaiseCanExecuteChanged();
var shell = IoC.Get<IShell>();
shell.ActiveDocumentChanging += (sender, e) =>
{
if (shell.ActiveItem != null)
stackCallback(shell.ActiveItem.UndoRedoManager).CollectionChanged -= handler;
};
shell.ActiveDocumentChanged += (sender, e) =>
{
if (shell.ActiveItem != null)
stackCallback(shell.ActiveItem.UndoRedoManager).CollectionChanged += handler;
toolBarItem.RaiseCanExecuteChanged();
};
if (shell.ActiveItem != null)
stackCallback(shell.ActiveItem.UndoRedoManager).CollectionChanged += handler;
}
