/// <summary>
/// Defines a custom validator that is executed after an an item of the
/// selected collection has changed.
/// </summary>
/// <remarks>
/// The validator is also executed when a revalidation is performed, the
/// VM is added to/removed from a collection or any descendant VM has
/// changed (a property or its validation state).
/// </remarks>
public void Custom(Action <CollectionValidationArgs <TOwnerVM, TItemVM> > validationAction)
{
_operation.PushValidatorBuildActions(
DelegateValidator.For(validationAction),
ValidationStep.ViewModel
);
}
public static IValidator For <TOwnerVM, TTargetVM>(
Action <ViewModelValidationArgs <TOwnerVM, TTargetVM> > validationAction
)
where TOwnerVM : IViewModel
where TTargetVM : IViewModel
{
return(DelegateValidator.For(
ViewModelValidationArgs <TOwnerVM, TTargetVM> .Create,
validationAction
));
}
public static IValidator For <TOwnerVM, TItemVM, TValue>(
Action <CollectionValidationArgs <TOwnerVM, TItemVM, TValue> > validationAction
)
where TOwnerVM : IViewModel
where TItemVM : IViewModel
{
return(DelegateValidator.For(
CollectionValidationArgs <TOwnerVM, TItemVM, TValue> .Create,
validationAction
));
}
public static IValidator For <TOwnerVM, TTargetVM, TValue>(
Action <PropertyValidationArgs <TOwnerVM, TTargetVM, TValue> > validationAction
)
where TOwnerVM : IViewModel
where TTargetVM : IViewModel
{
return(DelegateValidator.For(
PropertyValidationArgs <TOwnerVM, TTargetVM, TValue> .Create,
validationAction
));
}
/// <summary>
/// Defines a custom validator that is executed every time the VM or
/// any descendant VM has changed.
/// </summary>
public void CheckViewModel(Action <ViewModelValidationArgs <TOwnerVM, TTarget> > validatorAction)
{
var op = OperationProvider.GetOperation();
if (!PathSelectsDescendant(op.Path))
{
op.EnableViewModelValidationSourceBehavior();
}
op.PushValidatorBuildActions(
DelegateValidator.For(validatorAction),
ValidationStep.ViewModel
);
}
/// <summary>
/// Defines a custom validator that is executed every time the selected
/// property is about to change.
/// </summary>
/// <remarks>
/// The validator is also executed when a revalidation is performed, or
/// the VM is added to/removed from a collection.
/// </remarks>
public void Custom(Action <PropertyValidationArgs <TOwnerVM, TTargetVM, TValue> > validationAction)
{
Custom(DelegateValidator.For(validationAction));
}
