private void SetUnsaved(object sender, NotifyCollectionChangedEventArgs e)
{
if (e != null && e.IsAddOrRemove() && ReferenceEquals(sender, AllData))
{
if (e.NewItems != null)
{
foreach (object item in e.NewItems)
{
BaseDataClass obj = (BaseDataClass)item;
int errs = obj.GetErrorCount(ErrorType.Error);
NumErrors += errs;
if (errs > 0)
{
NotifyErrorStateChanged(new ErrorStateChangedEventArgs(obj));
}
errs = obj.GetErrorCount(ErrorType.Warning);
NumWarnings += errs;
if (errs > 0)
{
NotifyErrorStateChanged(new ErrorStateChangedEventArgs(obj));
}
obj.ErrorStateChanged += ObjectErrorStateChanged;
}
}
if (e.OldItems != null)
{
foreach (object item in e.OldItems)
{
BaseDataClass obj = (BaseDataClass)item;
int errs = obj.GetErrorCount(ErrorType.Error);
NumErrors -= errs;
if (errs > 0)
{
NotifyErrorStateChanged(new ErrorStateChangedEventArgs(obj));
}
errs = obj.GetErrorCount(ErrorType.Warning);
NumWarnings -= errs;
if (errs > 0)
{
NotifyErrorStateChanged(new ErrorStateChangedEventArgs(obj));
}
obj.ErrorStateChanged -= ObjectErrorStateChanged;
}
}
}
if (!Unsaved)
{
Unsaved = true;
SaveStateChanged?.Invoke();
Timer?.Start();
FileHelpers.SetWindowHeaders();
}
}
