public PersonViewModel(IPropertyProviderFactory propertyProviderFactory, IMessageBus messageBus, IDialogService dialogService, Person model)
{
_model = model;
var pp = propertyProviderFactory.Create<IPersonViewModel>(this);
// creating properties
_name = pp.CreateProperty(i => i.Name, model.Name);
_surname = pp.CreateProperty(i => i.Surname, model.Surname);
_age = pp.CreateProperty(i => i.Age, model.Age);
_address1 = pp.CreateProperty(i => i.Address1, model.Address1);
_address2 = pp.CreateProperty(i => i.Address2, model.Address2);
_address3 = pp.CreateProperty(i => i.Address3, model.Address3);
_city = pp.CreateProperty(i => i.City, model.City);
// creating commands
_editCommand = pp.CreateCommand<Unit>(i => i.EditCommand);
_saveCommand = pp.CreateCommand<Unit>(i => i.SaveCommand, !string.IsNullOrEmpty(model.Name) && !string.IsNullOrEmpty(model.Surname));
_deleteCommand = pp.CreateCommand<Unit>(i => i.DeleteCommand);
_closeCommand = pp.CreateCommand<Unit>(i => i.CloseCommand);
// Observing commands
ShouldDispose(_name.CombineLatest(_surname, (n,s) => !string.IsNullOrEmpty(n) && !string.IsNullOrEmpty(s)).Subscribe(_saveCommand.SetCanExecute));
ShouldDispose(_saveCommand.OnExecute.Subscribe(_ =>
{
UpdateModel();
_closeSubject.OnNext(true);
}));
ShouldDispose(_editCommand.OnExecute.Subscribe(_ => dialogService.ShowViewModel("Edit Person", this)));
ShouldDispose(_deleteCommand.OnExecute.Subscribe(_ => messageBus.Publish(new DeletePersonMessage(this))));
ShouldDispose(_closeCommand.OnExecute.Subscribe(_ =>
{
ResetData();
_closeSubject.OnNext(false);
}));
}
private void UpdateModel()
{
_model = this.ToModel();
}
public IPersonViewModel Create(Person person)
{
return new PersonViewModel(_propertyProviderFactory, _messageBus, _dialogService, person);
}