private void RemoveMessage(string propertyName)
{
TrackerMessage removeValue;
ChangesNotes.TryRemove(propertyName, out removeValue);
RaiseOnModified(propertyName);
}
private void LogNewMessage(object oldValue, string message, string propertyName)
{
var newChange = new TrackerMessage
{
OriginalValue = oldValue,
Message = message
};
if (!ChangesNotes.TryAdd(propertyName, newChange))
{
throw new ArgumentException("Unable to add specified property to the change message dictionary.");
}
RaiseOnModified(propertyName);
}
private void LogMessage(object newValue, object oldValue, string message, string propertyName)
{
if (ChangesNotes.ContainsKey(propertyName))
{
var originalValue = ChangesNotes[propertyName].OriginalValue;
if ((string.IsNullOrWhiteSpace(newValue?.ToString()) &&
string.IsNullOrWhiteSpace(originalValue?.ToString())) ||
(originalValue == newValue))
{
RemoveMessage(propertyName);
}
else
{
ChangeMessage(originalValue, message, propertyName);
}
}
else
{
LogNewMessage(oldValue, message, propertyName);
}
}
/// <summary>
/// Resets this instance.
/// </summary>
public new virtual void Reset()
{
Changes.Clear();
ChangesNotes.Clear();
RaiseOnModified("");
}
