private void DettachNewTestEvents(EditingTestViewModel viewModel)
{
viewModel.ChangesCancelledEvent -= CancelNewTest;
viewModel.ChangesSavedEvent -= SaveNewTest;
}
private void DettachEditingEvents(EditingTestViewModel editingViewModel)
{
editingViewModel.ChangesCancelledEvent -= RequestedChangesCancelled;
editingViewModel.ChangesSavedEvent -= RequestedChangesSaved;
}
private void AddNewTest()
{
EditingTestViewModel viewModel
= new EditingTestViewModel(
new Domain.Test(),
_testValidator,
_questionValidator,
_answerValidator,
_subjectValidator,
_subjectQuery
);
AttachNewTestEvents(viewModel);
DataContext = viewModel;
IsEditing = true;
}
private void BeginEditingTest(TestViewModel vm)
{
EditingTestViewModel editingViewModel =
new EditingTestViewModel(
vm.Test, _testValidator,
_questionValidator,
_answerValidator,
_subjectValidator,
_subjectQuery
);
AttachEditingEvents(editingViewModel);
DataContext = editingViewModel;
IsEditing = true;
}