public static void SetValidationMetadata(DependencyObject inputControl, ValidationMetadata value)
{
if (inputControl == null)
{
throw new ArgumentNullException(nameof(inputControl));
}
inputControl.SetValue(ValidationMetadataProperty, value);
}
public static ValidationMetadata ParseMetadata(string bindingPath, object entity)
{
if (entity == null || string.IsNullOrEmpty(bindingPath))
{
return(null);
}
var property = GetProperty(GetCustomOrCLRType(entity), bindingPath);
if (property == null)
{
return(null);
}
var validationMetadata = new ValidationMetadata();
foreach (var customAttribute in property.GetCustomAttributes(false))
{
if (customAttribute is RequiredAttribute)
{
validationMetadata.IsRequired = true;
}
else
{
var displayAttribute = customAttribute as DisplayAttribute;
if (displayAttribute == null)
{
continue;
}
validationMetadata.Description = displayAttribute.GetDescription();
validationMetadata.Caption = displayAttribute.GetName();
}
}
if (validationMetadata.Caption == null)
{
validationMetadata.Caption = property.Name;
}
return(validationMetadata);
}