public ValidationResult Execute(ValidationRequest request)
{
TArgs args = _argsFactory(this, request);
Execute(args);
return(args.Result);
}
public ValidationResult Validate(IBehaviorContext context, ValidationRequest request)
{
Seal();
var result = _compositeValidator.Execute(request);
var parentResults = InvokeParentBehaviorsOf(context.VM, request);
return(ValidationResult.Join(result, parentResults));
}
internal static ViewModelValidationArgs <TOwnerVM, TTargetVM> Create(
IValidator validator,
ValidationRequest request
)
{
Path path = request.TargetPath;
var owner = (TOwnerVM)path[0].ViewModel;
var target = (TTargetVM)path[path.Length - 1].ViewModel;
return(new ViewModelValidationArgs <TOwnerVM, TTargetVM>(validator, owner, target));
}
internal static CollectionValidationArgs <TOwnerVM, TItemVM> Create(
IValidator validator,
ValidationRequest request
)
{
var path = request.TargetPath;
var owner = (TOwnerVM)path[0].ViewModel;
var collection = (IVMCollection <TItemVM>)path[path.Length - 1].Collection;
return(new CollectionValidationArgs <TOwnerVM, TItemVM>(
validator,
owner,
collection
));
}
public bool IsTrue(ValidationRequest request)
{
TOwnerVM owner = (TOwnerVM)request
.TargetPath[0]
.ViewModel;
TTargetVM target = (TTargetVM)request
.TargetPath[_pathTargetIndex]
.ViewModel;
Check.Requires <InvalidOperationException>(owner != null);
Check.Requires <InvalidOperationException>(target != null);
var args = new ValidatorConditionArgs <TOwnerVM, TTargetVM>(owner, target);
return(_predicate(args));
}
internal static PropertyValidationArgs <TOwnerVM, TTargetVM, TValue> Create(
IValidator validator,
ValidationRequest request
)
{
Path path = request.TargetPath;
var owner = (TOwnerVM)path[0].ViewModel;
var targetVM = (TTargetVM)path[path.Length - 2].ViewModel;
var targetProperty = (IVMPropertyDescriptor <TValue>)path[path.Length - 1].Property;
return(new PropertyValidationArgs <TOwnerVM, TTargetVM, TValue>(
validator,
request.Step,
owner,
targetVM,
targetProperty
));
}
private ValidationResult InvokeParentBehaviorsOf(IViewModel vm, ValidationRequest request)
{
var result = ValidationResult.Valid;
foreach (IViewModel parent in vm.Kernel.Parents)
{
var parentRequest = request.PrependAncestor(parent);
ValidatorExecutorBehavior b;
bool parentHasBehavior = parent
.Descriptor
.Behaviors
.TryGetBehavior(out b);
var parentResult = parentHasBehavior ?
b.Validate(parent.GetContext(), parentRequest) :
InvokeParentBehaviorsOf(parent, parentRequest);
result = ValidationResult.Join(result, parentResult);
}
return(result);
}
public ValidationResult Execute(ValidationRequest request)
{
return(_condition.IsTrue(request) ?
_inner.Execute(request) :
ValidationResult.Valid);
}
public ValidationResult Execute(ValidationRequest request)
{
return(ValidationResult.Join(
_validators.Select(x => x.Execute(request))
));
}