/// <summary>
/// Initializes a new instance of the <see cref="ValidationEventArgs"/> class.
/// </summary>
/// <param name="value">The value that contains the warning or error.</param>
/// <param name="message">The actual warning or error message.</param>
/// <param name="action">The action of the validation event.</param>
/// <param name="type">The type of validation.</param>
internal ValidationEventArgs(object value, string message, ValidationEventAction action, ValidationType type)
{
Value = value;
Message = message;
Action = action;
Type = type;
}
/// <summary>
/// Process an validation message.
/// </summary>
/// <param name="bindingObject">The binding object which will be used as key in dictionary with error messages. Allowed to be <c>null</c> if <see cref="ValidationEventAction.ClearAll"/>.</param>
/// <param name="message">The actual warning or error message.</param>
/// <param name="action">An error event action. See <see cref="ValidationErrorEventAction"/>.</param>
/// <param name="type">The validation type.</param>
private void ProcessValidationMessage(object bindingObject, string message, ValidationEventAction action, ValidationType type)
{
if ((action != ValidationEventAction.ClearAll) && (bindingObject is null))
{
Log.Warning("Null-values are not allowed when not using ValidationEventAction.ClearAll");
return;
}
if (_objectsToIgnore.Contains(bindingObject) && (action != ValidationEventAction.ClearAll))
{
Log.Debug("Object '{0}' is in the ignore list, thus messages will not be handled", bindingObject);
return;
}
var messages = (type == ValidationType.Warning) ? _warnings : _errors;
lock (_lock)
{
switch (action)
{
case ValidationEventAction.Added:
case ValidationEventAction.Refresh:
if (!messages.TryGetValue(bindingObject, out var addBindingObjectMessages))
{
addBindingObjectMessages = new List <string>();
messages.Add(bindingObject, addBindingObjectMessages);
}
if (!addBindingObjectMessages.Contains(message))
{
addBindingObjectMessages.Add(message);
}
break;
case ValidationEventAction.Removed:
if (messages.TryGetValue(bindingObject, out var removeBindingObjectMessages))
{
removeBindingObjectMessages.Remove(message);
}
break;
case ValidationEventAction.ClearAll:
if (bindingObject != null)
{
messages.Remove(bindingObject);
}
else
{
messages.Clear();
}
break;
}
}
}
/// <summary>
/// Raises an validation warning or error event.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="message">A message.</param>
/// <param name="action">A action for handling the error event.</param>
/// <param name="type">The type.</param>
private void RaiseBusinessValidationWarningOrError(object value, string message, ValidationEventAction action, ValidationType type)
{
Validation.SafeInvoke(this, () => new ValidationEventArgs(value, message, action, type));
}
/// <summary>
/// Process an validation message.
/// </summary>
/// <param name="bindingObject">The binding object which will be used as key in dictionary with error messages. Allowed to be <c>null</c> if <see cref="ValidationEventAction.ClearAll"/>.</param>
/// <param name="message">The actual warning or error message.</param>
/// <param name="action">An error event action. See <see cref="ValidationErrorEventAction"/>.</param>
/// <param name="type">The validation type.</param>
private void ProcessValidationMessage(object bindingObject, string message, ValidationEventAction action, ValidationType type)
{
if ((action != ValidationEventAction.ClearAll) && (bindingObject == null))
{
Log.Warning("Null-values are not allowed when not using ValidationEventAction.ClearAll");
return;
}
if (_objectsToIgnore.Contains(bindingObject) && (action != ValidationEventAction.ClearAll))
{
Log.Debug("Object '{0}' is in the ignore list, thus messages will not be handled", bindingObject);
return;
}
Dictionary<object, List<string>> messages = (type == ValidationType.Warning) ? _warnings : _errors;
lock (_lock)
{
switch (action)
{
case ValidationEventAction.Added:
case ValidationEventAction.Refresh:
if (!messages.ContainsKey(bindingObject))
{
messages.Add(bindingObject, new List<string>());
}
if (!messages[bindingObject].Contains(message))
{
messages[bindingObject].Add(message);
}
break;
case ValidationEventAction.Removed:
if (messages.ContainsKey(bindingObject))
{
messages[bindingObject].Remove(message);
}
break;
case ValidationEventAction.ClearAll:
if (bindingObject != null)
{
messages.Remove(bindingObject);
}
else
{
messages.Clear();
}
break;
}
}
}
/// <summary>
/// Raises an validation warning or error event.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="message">A message.</param>
/// <param name="action">A action for handling the error event.</param>
/// <param name="type">The type.</param>
private void RaiseBusinessValidationWarningOrError(object value, string message, ValidationEventAction action, ValidationType type)
{
Validation.SafeInvoke(this, new ValidationEventArgs(value, message, action, type));
}
/// <summary>
/// Initializes a new instance of the <see cref="ValidationEventArgs"/> class.
/// </summary>
/// <param name="value">The value that contains the warning or error.</param>
/// <param name="message">The actual warning or error message.</param>
/// <param name="action">The action of the validation event.</param>
/// <param name="type">The type of validation.</param>
internal ValidationEventArgs(object value, string message, ValidationEventAction action, ValidationType type)
{
Value = value;
Message = message;
Action = action;
Type = type;
}
