private void CloseOpenedSection(object sender, ViewModelEventArgs e)
{
ViewModelSection callingObj = sender as ViewModelSection;
//return if list of section is empty
if (_openedViews.Count == 0)
{
return;
}
do
{
var lastNode = _openedViews.Last;
_openedViews.RemoveLast();
lastNode.Value.CreateView -= AddSectionToPipe;
lastNode.Value.WantToClose -= CloseOpenedSection;
//Delete filter if exists
if (lastNode.Value.Filter != null)
{
_openedViews.Remove(lastNode.Value.Filter);
}
if (lastNode.Value == callingObj)
{
break;
}
} while (_openedViews.Count > 0);
if (_openedViews.Count == 0)
{
SelectedMenuItem.IsSelected = false;
}
}
private void Remove(Entity entity)
{
if (!entityMap.ContainsKey(entity))
{
return;
}
var node = entityMap[entity];
entityMap.Remove(entity);
entities.Remove(node);
}
void Users_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case System.Collections.Specialized.NotifyCollectionChangedAction.Add:
foreach (var item in e.NewItems)
{
_users.AddLast(item as MaterialContainableBase);
}
break;
case System.Collections.Specialized.NotifyCollectionChangedAction.Remove:
foreach (var item in e.OldItems)
{
_users.Remove(item as MaterialContainableBase);
}
break;
// Replace is not needed, since it remains an item anyway.
}
}
