protected override void SetErrors(object target, IList <object> errors, IDataContext context)
{
#if WINDOWS_UWP
var control = target as Control;
if (control != null)
{
VisualStateManager.GoToState(control, errors.Count == 0 ? "Valid" : "Invalid", true);
}
#else
var element = target as FrameworkElement;
if (element != null)
{
ValidationBinder.SetErrors(element, errors);
}
#endif
}
/// <summary>
/// Sets errors for binding target.
/// </summary>
/// <param name="target">The binding target object.</param>
/// <param name="errors">The collection of errors</param>
/// <param name="context">The specified context, if any.</param>
protected override void SetErrors(object target, IList <object> errors, IDataContext context)
{
base.SetErrors(target, errors, context);
var element = target as Element;
if (element != null)
{
target = GetNativeView(element);
}
var frameworkElement = target as FrameworkElement;
if (frameworkElement != null)
{
ValidationBinder.SetErrors(frameworkElement, errors);
}
}
public static void SetErrors([NotNull] FrameworkElement element, [CanBeNull] IList <object> errors)
{
Should.NotBeNull(element, nameof(element));
if (errors == null)
{
errors = Empty.Array <object>();
}
var binder = (ValidationBinder)element.GetValue(ErrorContainerProperty);
if (binder == null)
{
if (errors.Count == 0)
{
return;
}
binder = new ValidationBinder();
element.SetValue(ErrorContainerProperty, binder);
var binding = new System.Windows.Data.Binding(PropertyName)
{
#if WPF && NET4
ValidatesOnDataErrors = true,
#else
ValidatesOnDataErrors = false,
ValidatesOnNotifyDataErrors = true,
#endif
Mode = System.Windows.Data.BindingMode.OneWay,
UpdateSourceTrigger = UpdateSourceTrigger.Explicit,
Source = binder,
ValidatesOnExceptions = false,
NotifyOnValidationError = false,
#if WPF
NotifyOnSourceUpdated = false,
NotifyOnTargetUpdated = false
#endif
};
element.SetBinding(ErrorContainerProperty, binding);
}
binder._errors = errors;
binder.OnErrorsChanged();
}
protected override void SetErrors(object target, IList <object> errors, IDataContext context)
{
var depObj = target as DependencyObject;
if (depObj == null)
{
base.SetErrors(target, errors, context);
return;
}
#if WINDOWS_UWP || NETFX_CORE
var control = depObj as Control;
if (control != null)
{
VisualStateManager.GoToState(control, errors.Count == 0 ? "Valid" : "Invalid", true);
}
#else
var element = depObj as FrameworkElement;
if (element != null)
{
ValidationBinder.SetErrors(element, errors);
}
#endif
}
public static void Register(ValidationBinder binder)
{
binder.Register("firstname", FirstName);
binder.Register("accountrolecode", AccountRoleCode);
binder.Register("birthdate", BirthDate);
}
public static void Register(ValidationBinder binder)
{
binder.Register("productdescription", WriteInProduct);
binder.Register("productid", ProductId);
}
public static void RegisterValidation(ValidationBinder binder)
{
binder.Register("record1id", ValidateRecord1Id);
binder.Register("record1roleid", ValidateRecord1RoleId);
}
public static void RegisterValidation(ValidationBinder binder)
{
binder.Register("lastname", ValidateLastName);
}
public static void Register(ValidationBinder binder)
{
binder.Register("publishdate", PublishDate);
}