private void NavigateBack(IEntityAwareViewViewModel vm)
{
ICancelAwareViewViewModel cancelAwareViewViewModel = vm as ICancelAwareViewViewModel;
if (cancelAwareViewViewModel != null)
{
_regionManager.Regions[RegionNames.ContentRegion].RequestNavigate(cancelAwareViewViewModel.CancelNavigateToViewName);
}
else
{
INavigationAware navigationAwareVm = vm as INavigationAware;
if (vm != null)
{
_regionManager.Regions[RegionNames.ContentRegion].NavigationService.Journal.GoBack();
}
}
}
public async void ExecuteCommand(IEntityAwareViewViewModel viewModel)
{
ValidatableBindableBase entity = viewModel.CurrentEntity;
IDirtyAwareEntity dirtyAwareEntity = (entity as IDirtyAwareEntity);
if (dirtyAwareEntity != null)
{
if (dirtyAwareEntity.IsDirty)
{
MessageDialogResult dialogResult;
var mySettings = new MetroDialogSettings()
{
AffirmativeButtonText = "Yes, I want to cancel this action",
NegativeButtonText = "No, I changed my mind",
MaximumBodyHeight = 100,
ColorScheme = MetroDialogColorScheme.Accented
};
MetroWindow metroWindow = Application.Current.MainWindow as MetroWindow;
dialogResult = await metroWindow.ShowMessageAsync("CONFIRM ACTION", "You are about to move away without saving. Are you sure you want to cancel the current action?",
MessageDialogStyle.AffirmativeAndNegative, mySettings);
if (dialogResult == MessageDialogResult.Affirmative)
{
NavigateBack(viewModel);
}
}
else
{
NavigateBack(viewModel);
}
}
else
{
NavigateBack(viewModel);
}
}
