/// <summary>
/// A validator for the display name is created.
/// </summary>
/// <param name="isReadOnly">
/// This flag is initialized with the value of <see cref="BusinessObjectBoundEditableWebControl.IsReadOnly"/>.
/// Implemantations should consider whether they require a validator also when the control is rendered as read-only.
/// </param>
/// <returns>An enumeration of all applicable validators.</returns>
/// <remarks>
/// Generates a <see cref="BocAutoCompleteReferenceValueInvalidDisplayNameValidator"/> checking that the display name can be resolved
/// to a valid object reference.
/// </remarks>
/// <seealso cref="BusinessObjectBoundEditableWebControl.CreateValidators()">BusinessObjectBoundEditableWebControl.CreateValidators()</seealso>
protected override IEnumerable <BaseValidator> CreateValidators(bool isReadOnly)
{
_invalidDisplayNameValidator = null;
var baseValidators = base.CreateValidators(isReadOnly);
if (isReadOnly)
{
return(baseValidators);
}
_invalidDisplayNameValidator = CreateInvalidDisplayNameValidator();
return(baseValidators.Concat(_invalidDisplayNameValidator));
}
private BocAutoCompleteReferenceValueInvalidDisplayNameValidator CreateInvalidDisplayNameValidator()
{
var invalidDisplayNameValidator = new BocAutoCompleteReferenceValueInvalidDisplayNameValidator();
invalidDisplayNameValidator.ID = ID + "_ValidatorValidDisplayName";
invalidDisplayNameValidator.ControlToValidate = ID;
if (string.IsNullOrEmpty(InvalidItemErrorMessage))
{
invalidDisplayNameValidator.ErrorMessage = GetResourceManager().GetString(ResourceIdentifier.InvalidItemErrorMessage);
}
else
{
invalidDisplayNameValidator.ErrorMessage = InvalidItemErrorMessage;
}
return(invalidDisplayNameValidator);
}