/// <summary>
/// Creates a new object that is a copy of the current instance.
/// </summary>
/// <returns>
/// A new object that is a copy of this instance.
/// </returns>
public object Clone()
{
var validationData = new ValidationData(ParentEnumerable);
validationData.FieldWarnings = new ObservableCollection<FieldWarningOrErrorInfo>();
validationData.FieldWarnings.AddRange(FieldWarnings);
validationData.BusinessWarnings = new ObservableCollection<BusinessWarningOrErrorInfo>();
validationData.BusinessWarnings.AddRange(BusinessWarnings);
validationData.FieldErrors = new ObservableCollection<FieldWarningOrErrorInfo>();
validationData.FieldErrors.AddRange(FieldErrors);
validationData.BusinessErrors = new ObservableCollection<BusinessWarningOrErrorInfo>();
validationData.BusinessErrors.AddRange(BusinessErrors);
return validationData;
}
/// <summary>
/// Raises the events for differences.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="oldValidationData">The old validation data.</param>
/// <param name="newValidationData">The new validation data.</param>
private void RaiseEventsForDifferences(object value, ValidationData oldValidationData, ValidationData newValidationData)
{
// Warnings - fields
RaiseEventsForDifferencesInFields(value, oldValidationData.FieldWarnings, newValidationData.FieldWarnings, ValidationType.Warning);
// Warnings - business
RaiseEventsForDifferencesInBusiness(value, oldValidationData.BusinessWarnings, newValidationData.BusinessWarnings, ValidationType.Warning);
// Errors - fields
RaiseEventsForDifferencesInFields(value, oldValidationData.FieldErrors, newValidationData.FieldErrors, ValidationType.Error);
// Errors - business
RaiseEventsForDifferencesInBusiness(value, oldValidationData.BusinessErrors, newValidationData.BusinessErrors, ValidationType.Error);
}
/// <summary>
/// Raises the events for differences.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="oldValidationData">The old validation data.</param>
/// <param name="newValidationData">The new validation data.</param>
private void RaiseEventsForDifferences(object value, ValidationData oldValidationData, ValidationData newValidationData)
{
// Warnings - fields
RaiseEventsForDifferencesInFields(value, oldValidationData?.FieldWarnings ?? (IEnumerable <FieldWarningOrErrorInfo>)ArrayShim.Empty <FieldWarningOrErrorInfo>(), newValidationData.FieldWarnings, ValidationType.Warning);
// Warnings - business
RaiseEventsForDifferencesInBusiness(value, oldValidationData?.BusinessWarnings ?? (IEnumerable <BusinessWarningOrErrorInfo>)ArrayShim.Empty <BusinessWarningOrErrorInfo>(), newValidationData.BusinessWarnings, ValidationType.Warning);
// Errors - fields
RaiseEventsForDifferencesInFields(value, oldValidationData?.FieldErrors ?? (IEnumerable <FieldWarningOrErrorInfo>)ArrayShim.Empty <FieldWarningOrErrorInfo>(), newValidationData.FieldErrors, ValidationType.Error);
// Errors - business
RaiseEventsForDifferencesInBusiness(value, oldValidationData?.BusinessErrors ?? (IEnumerable <BusinessWarningOrErrorInfo>)ArrayShim.Empty <BusinessWarningOrErrorInfo>(), newValidationData.BusinessErrors, ValidationType.Error);
}
/// <summary>
/// Checks a entity that either implements the <see cref="IDataWarningInfo"/> or <see cref="IDataErrorInfo"/> on warnings and errors.
/// </summary>
/// <param name="value">The object to check.</param>
/// <param name="propertyChanged">The propery that has been changed. <c>null</c> if no specific property has changed.</param>
/// <param name="parentEnumerable">The parent enumerable. <c>Null</c> if the object does not belong to an enumerable.</param>
/// <remarks>
/// Internally calls the generic method with the same name.
/// </remarks>
private void CheckObjectValidation(object value, string propertyChanged, IEnumerable parentEnumerable)
{
ValidationData currentValidationData;
ValidationData oldValidationData;
if (value == null)
{
return;
}
lock (_objectValidationLock)
{
if (!_objectValidation.ContainsKey(value))
{
_objectValidation[value] = new ValidationData(parentEnumerable);
}
currentValidationData = _objectValidation[value];
oldValidationData = (ValidationData)currentValidationData.Clone();
}
var model = value as IModel;
CheckObjectValidationForFields(value, propertyChanged, currentValidationData.FieldWarnings, ValidationType.Warning);
#region Warnings - business
currentValidationData.BusinessWarnings.Clear();
if (model != null)
{
if (!model.IsHidingValidationResults)
{
foreach (var warning in model.ValidationContext.GetBusinessRuleWarnings())
{
currentValidationData.BusinessWarnings.Add(new BusinessWarningOrErrorInfo(warning.Message));
}
}
}
else
{
string businessWarning = GetWarningOrError(value, ValidationType.Warning);
if (!string.IsNullOrEmpty(businessWarning))
{
currentValidationData.BusinessWarnings.Add(new BusinessWarningOrErrorInfo(businessWarning));
}
}
#endregion
CheckObjectValidationForFields(value, propertyChanged, currentValidationData.FieldErrors, ValidationType.Error);
#region Errors - business
currentValidationData.BusinessErrors.Clear();
if (model != null)
{
if (!model.IsHidingValidationResults)
{
foreach (var error in model.ValidationContext.GetBusinessRuleErrors())
{
currentValidationData.BusinessErrors.Add(new BusinessWarningOrErrorInfo(error.Message));
}
}
}
else
{
string businessError = GetWarningOrError(value, ValidationType.Error);
if (!string.IsNullOrEmpty(businessError))
{
currentValidationData.BusinessErrors.Add(new BusinessWarningOrErrorInfo(businessError));
}
}
#endregion
RaiseEventsForDifferences(value, oldValidationData, currentValidationData);
}
private ValidationData CreateValidationData(object value, string propertyChanged, IEnumerable parentEnumerable)
{
var validationData = new ValidationData(parentEnumerable);
if (value is null)
{
return(validationData);
}
var validatable = value as IValidatable;
CheckObjectValidationForFields(value, propertyChanged, validationData.FieldWarnings, ValidationType.Warning);
#region Warnings - business
validationData.BusinessWarnings.Clear();
if (validatable != null)
{
if (!validatable.IsHidingValidationResults)
{
foreach (var warning in validatable.ValidationContext.GetBusinessRuleWarnings())
{
validationData.BusinessWarnings.Add(new BusinessWarningOrErrorInfo(warning.Message));
}
}
}
else
{
var businessWarning = GetWarningOrError(value, ValidationType.Warning);
if (!string.IsNullOrEmpty(businessWarning))
{
validationData.BusinessWarnings.Add(new BusinessWarningOrErrorInfo(businessWarning));
}
}
#endregion
CheckObjectValidationForFields(value, propertyChanged, validationData.FieldErrors, ValidationType.Error);
#region Errors - business
validationData.BusinessErrors.Clear();
if (validatable != null)
{
if (!validatable.IsHidingValidationResults)
{
foreach (var error in validatable.ValidationContext.GetBusinessRuleErrors())
{
validationData.BusinessErrors.Add(new BusinessWarningOrErrorInfo(error.Message));
}
}
}
else
{
var businessError = GetWarningOrError(value, ValidationType.Error);
if (!string.IsNullOrEmpty(businessError))
{
validationData.BusinessErrors.Add(new BusinessWarningOrErrorInfo(businessError));
}
}
#endregion
return(validationData);
}
