private void OnAddExecute()
{
var wrapper = new ProgrammingLanguageWrapper(new ProgrammingLanguage());
wrapper.PropertyChanged += Wrapper_PropertyChanged;
_programmingLanguageRepository.Add(wrapper.Model);
ProgrammingLanguages.Add(wrapper);
//Trigger Validation
wrapper.Name = "";
}
public override async Task LoadAsync(int id)
{
Id = id;
foreach (var wrapper in ProgrammingLanguages)
{
wrapper.PropertyChanged -= Wrapper_PropertyChanged;
}
ProgrammingLanguages.Clear();
var languages = await _programmingLanguageRepository.GetAllAsync();
foreach (var model in languages)
{
var wrapper = new ProgrammingLanguageWrapper(model);
wrapper.PropertyChanged += Wrapper_PropertyChanged;
ProgrammingLanguages.Add(wrapper);
}
}
private async void OnRemoveExecute()
{
var isReferenced = await _programmingLanguageRepository.IsReferencedByFriendAsync(SelectedProgrammingLanguage.Id);
if (isReferenced)
{
MessageDialogService.ShowInfoDialog($"language {SelectedProgrammingLanguage.Name} is referenced by Friends!");
return;
}
SelectedProgrammingLanguage.PropertyChanged -= Language_PropertyChanged;
_programmingLanguageRepository.Remove(SelectedProgrammingLanguage.Model);
ProgrammingLanguages.Remove(SelectedProgrammingLanguage);
SelectedProgrammingLanguage = null;
HasChanges = _programmingLanguageRepository.HasChanges();
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged();
}
public async override Task LoadAsync(int id)
{
Id = id;
foreach (var language in ProgrammingLanguages)
{
language.PropertyChanged -= Language_PropertyChanged;
}
ProgrammingLanguages.Clear();
var languages = await _programmingLanguageRepository.GetAllAsync();
foreach (var language in languages)
{
var wrapper = new ProgrammingLanguageWrapper(language);
wrapper.PropertyChanged += Language_PropertyChanged;
ProgrammingLanguages.Add(wrapper);
}
}
private async void OnRemoveExecute()
{
var isReferenced = await _programmingLanguageRepository.IsReferencedByFriendAsync(SelectedProgrammingLanguage.Id);
if (isReferenced)
{
await MessageDialogService.ShowInfoDialogAsync($"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();
}
public override async Task LoadAsync(int id)
{
Id = id;
foreach (ProgrammingLanguageWrapper wrapper in ProgrammingLanguages)
{
wrapper.PropertyChanged -= HandleOnWrapperPropertyChanged;
}
ProgrammingLanguages.Clear();
IEnumerable <ProgrammingLanguage> languages =
await _programmingLanguageRepository.GetAllAsync();
foreach (ProgrammingLanguage language in languages)
{
var wrapper = new ProgrammingLanguageWrapper(language);
wrapper.PropertyChanged += HandleOnWrapperPropertyChanged;
ProgrammingLanguages.Add(wrapper);
}
}
public async override Task LoadAsync(int id)
{
// Przydziel id modelu do detailmodelview
Id = id;
//odłącz eventy
foreach (var languageWrapper in ProgrammingLanguages)
{
languageWrapper.PropertyChanged -= Wrapper_PropertyChanged;
}
//wyczyść listę języków
ProgrammingLanguages.Clear();
//wypełnij ponownie i podepnij eventy
var languages = await _repository.GetAllAsync();
foreach (var programmingLanguage in languages)
{
var wrapper = new ProgrammingLanguageWrapper(programmingLanguage);
wrapper.PropertyChanged += Wrapper_PropertyChanged;
ProgrammingLanguages.Add(wrapper);
}
}
