private async void OnRemoveExecute()
{
var isReferenced = await _programmingLanguageRepository.IsReferencedByFriendAsync(SelectedProgrammingLanguage.Id);
if (isReferenced)
{
MessageDialogeService.ShowInfoDialog($"The language {SelectedProgrammingLanguage.Name} is already a favorite language for a friend it's cannot be deleted");
return;
}
SelectedProgrammingLanguage.PropertyChanged -= Wrapper_PropertyChanged;
_programmingLanguageRepository.Delete(SelectedProgrammingLanguage.Model);
ProgrammingLanguages.Remove(SelectedProgrammingLanguage);
SelectedProgrammingLanguage = null;
HasChanged = _programmingLanguageRepository.HasChanges();
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged();
}
private async void OnRemoveExecute()
{
var isReferenced = await _programmingLanguageRepository.IsReferencedByFriendAsync(SelectedProgrammingLanguage.Id);
if (isReferenced)
{
MessageDialogService.ShowInfoDialog($"language {SelectedProgrammingLanguage.Name} is referenced by Friends!");
return;
}
SelectedProgrammingLanguage.PropertyChanged -= Language_PropertyChanged;
_programmingLanguageRepository.Remove(SelectedProgrammingLanguage.Model);
ProgrammingLanguages.Remove(SelectedProgrammingLanguage);
SelectedProgrammingLanguage = null;
HasChanges = _programmingLanguageRepository.HasChanges();
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged();
}
private async void OnRemoveCommand()
{
var isReferenced = await _repository.IsReferencedByFriendAsync(SelectedProgrammingLanguage.Id);
if (isReferenced)
{
MessageDialogService.ShowInfoDialog($"Cannot delete referenced language: {SelectedProgrammingLanguage.Name}");
return;
}
SelectedProgrammingLanguage.PropertyChanged -= Wrapper_PropertyChanged; //odłącz eventy od usuwanego elementu
_repository.Remove(SelectedProgrammingLanguage.Model); //wywal z repo
ProgrammingLanguages.Remove(SelectedProgrammingLanguage); //wywal z listy
SelectedProgrammingLanguage = null; //wybrany teraz jest null
HasChanges = _repository.HasChanges(); // w repo zaszły zmiany więc ustawiamy flagę w modelu
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged(); // odpalamy event i sprawdzamy czy Save może być aktywny
}
private async void OnRemoveExecute()
{
var isReferenced = await _programmingLanguageRepository.IsReferencedByFriendAsync(SelectedProgrammingLanguage.Id);
if (isReferenced)
{
await MessageDialogService.ShowInfoDialogAsync($"The language {SelectedProgrammingLanguage.Name} can't be removes, as it is referenced by at least one friend.");
return;
}
SelectedProgrammingLanguage.PropertyChanged -= Wrapper_PropertyChanged;
_programmingLanguageRepository.Remove(SelectedProgrammingLanguage.Model);
ProgrammingLanguages.Remove(SelectedProgrammingLanguage);
SelectedProgrammingLanguage = null;
HasChanges = _programmingLanguageRepository.HasChanges();
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged();
}
private async void OnRemoveProgramminLanguageExecute()
{
var isReferenced = await this._programmingLanguagesService
.IsReferencedAsync(SelectedProgrammingLanguage.Id);
if (isReferenced)
{
await this._messageDialogService.ShowInfoDialogAsync("This language is referencet by at least one friend, can't be removed");
return;
}
SelectedProgrammingLanguage.PropertyChanged -= Wrapper_PropertyChanged;
this._programmingLanguagesService.Remove(SelectedProgrammingLanguage.Model);
ProgrammingLanguages.Remove(SelectedProgrammingLanguage);
SelectedProgrammingLanguage = null;
HasChange = this._programmingLanguagesService.HasChanges();
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged();
}
private async void OnRemoveExecute()
{
// Checking if language is referenced; cannot be deleted if it is.
var isReferenced =
await programmingLanguageRepository.IsReferencedByFriendAsync(SelectedProgrammingLanguage.Id);
if (isReferenced)
{
MessageDialogService.ShowInfoDialogAsync($"The language {SelectedProgrammingLanguage.Name} cannot be deleted as it is referenced by one or more friends.");
return;
}
SelectedProgrammingLanguage.PropertyChanged -= Wrapper_PropertyChanged;
programmingLanguageRepository.Remove(SelectedProgrammingLanguage.Model);
ProgrammingLanguages.Remove(SelectedProgrammingLanguage);
SelectedProgrammingLanguage = null;
HasChanges = programmingLanguageRepository.HasChanges();
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged();
}
