private void TrackObservableList(IObservableList obj)
{
List <object> items = ((IObservableList)obj).ListItems;
((INotifyCollectionChanged)obj).CollectionChanged += ((RepositoryItemBase)this).ChildCollectionChanged;
foreach (object item in items)
{
if (item is RepositoryItemBase)
{
RepositoryItemBase RI = ((RepositoryItemBase)item);
// Do start tracking only for item which are not already tracked
if (RI.DirtyStatus == eDirtyStatus.NoTracked)
{
RI.StartDirtyTracking();
}
RI.OnDirtyStatusChanged += this.RaiseDirtyChanged;
}
else
{
// for now we ignore list of Guids - like Agents.Tags as user cannot change the value, but if he add/remove it will be tracked
if (item is Guid)
{
continue;
}
throw new Exception("Error: trying to track object which is Serialzied in a list but is not RepositoryItemBase " + this.GetType().FullName + " " + item.ToString());
}
}
}
public void TrackObservableList(IObservableList obj)
{
// No need to track items which are lazy load
List <object> items = ((IObservableList)obj).ListItems;
((INotifyCollectionChanged)obj).CollectionChanged += ((RepositoryItemBase)this).ChildCollectionChanged;
Parallel.ForEach(items, item =>
{
if (item is RepositoryItemBase)
{
RepositoryItemBase RI = ((RepositoryItemBase)item);
// Do start tracking only for item which are not already tracked
if (RI.DirtyStatus == eDirtyStatus.NoTracked)
{
RI.StartDirtyTracking();
}
RI.OnDirtyStatusChanged += this.RaiseDirtyChanged;
}
else
{
// for now we ignore list of Guids - like Agents.Tags as user cannot change the value, but if he add/remove it will be tracked
if (item is Guid || item is RepositoryItemKey)
{
return;
}
throw new Exception("Error: trying to track object which is Serialized in a list but is not RepositoryItemBase " + this.GetType().FullName + " " + item.ToString());
}
});
}
internal void ChildCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
// each change in Observavle will mark the item modified - all NotifyCollectionChangedAction.*
DirtyStatus = eDirtyStatus.Modified;
// if item added set tracking too
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (object obj in e.NewItems)
{
if (obj is RepositoryItemBase)
{
RepositoryItemBase repositoryItemBase = (RepositoryItemBase)obj;
repositoryItemBase.StartDirtyTracking();
repositoryItemBase.OnDirtyStatusChanged += this.RaiseDirtyChanged;
}
else
{
// not RI no tracking...
}
}
}
}
