void PersistentObjectDTO_Validated(object sender, ObjectValidationEventArgs e)
{
ServiceLocator serviceLocator = ServiceLocator.GetActive();
if (e.IsValid)
{
serviceLocator.SessionState.ValidationErrors.Remove(e.Details);
}
else
{
if (!serviceLocator.SessionState.ValidationErrors.Contains(e.Details))
{
serviceLocator.SessionState.ValidationErrors.Add(e.Details);
}
}
}
/// <summary>
/// Used for built-in WPF validation.
/// Additionally, raises Validated event so application can react on validation appropriately.
/// Standart Validation.Error event is quirky in Data Grids
/// and it's behaviour has been subject to breaking changes when switching from .net 3.5 to 4.0.
/// </summary>
/// <param name="propertyName"></param>
/// <returns></returns>
public string this[string propertyName]
{
get
{
var error = new Validator().Validate(this, propertyName);
string errorMessage = error == null ? null : error.ToString();
// Fire Validated event.
var validationDetails = new ObjectPropertyValidationDetails(PersistentType, ID, propertyName)
{
ErrorMessage = errorMessage
};
var validationEventArgs = new ObjectValidationEventArgs(errorMessage == null, validationDetails);
var tmpValidated = Validated;
if (tmpValidated != null)
{
tmpValidated(this, validationEventArgs);
}
return(errorMessage);
}
}
