void ICrudObserver <TData> .OnDelete(Changestep <TData> step)
{
if (crudMask.HasFlag(step.Operation))
{
OnDelete(step);
}
}
protected override void OnDelete(Changestep <PersonData> step)
{
var personObject = persons[step.Data];
persons.Remove(step.Data);
Destroy(personObject.gameObject);
}
private void HandlePropertyChanged(object sender, CustomNotifyPropertyChangedEventArgs e)
{
if (sender is TData data)
{
var step = new Changestep <TData>(data, CrudOperation.Update, e.Diff);
Updated?.Invoke(this, new DatabaseEventArgs <TData>(step));
}
}
protected override void OnCreate(Changestep <PersonData> step)
{
var personObject = Instantiate(prefab, transform);
personObject.name = step.Data.Name;
personObject.transform.position = new Vector3(2.0F * persons.Count, 0.0F, 0.0F);
personObject.Data = step.Data;
personObject.Download();
persons.Add(step.Data, personObject);
}
private void HandleRemoved(object sender, EventCollectionEventArgs <TData> e)
{
var data = e.Element;
if (data is ICustomNotifyPropertyChanged x)
{
x.PropertyChanged -= HandlePropertyChanged;
}
var step = new Changestep <TData>(data, CrudOperation.Delete);
Deleted?.Invoke(this, new DatabaseEventArgs <TData>(step));
}
void ICrudObserver <T> .OnDelete(Changestep <T> step)
{
Debug.LogFormat("DELETE {0}".Color(DeleteColor), step);
}
void ICrudObserver <T> .OnUpdate(Changestep <T> step)
{
Debug.LogFormat("UPDATE {0}".Color(UpdateColor), step);
}
void ICrudObserver <T> .OnCreate(Changestep <T> step)
{
Debug.LogFormat("CREATE {0}".Color(CreateColor), step);
}
protected override void OnUpdate(Changestep <PersonData> step)
{
var personObject = persons[step.Data];
personObject.Download();
}
internal DatabaseEventArgs(Changestep <TData> changestep)
{
Changestep = changestep;
}
protected abstract void OnDelete(Changestep <TData> step);
protected abstract void OnUpdate(Changestep <TData> step);
