protected override void RemoveItem(int index)
{
SopInstanceNode node = base[index].Node;
_map[node].PropertyChanged -= Item_PropertyChanged;
_map.Remove(node);
_list.Remove(node);
base.RemoveItem(index);
}
internal ImageItem GetByUid(DicomFile dicomFile, IPresentationImage image)
{
SopInstanceNode node = _list.GetImageByUid(dicomFile);
if (!_map.ContainsKey(node))
{
base.Insert(_list.IndexOf(node), new ImageItem(node, image));
}
return(_map[node]);
}
protected override void InsertItem(int index, ImageItem item)
{
SopInstanceNode node = item.Node;
_map.Add(node, item);
if (!_list.Contains(node)) // this method is also called when initializing the list from the list, so we need to check this to avoid re-adding
{
_list.Insert(index, node);
}
base.InsertItem(index, item);
item.PropertyChanged += Item_PropertyChanged;
}
protected override void SetItem(int index, ImageItem item)
{
SopInstanceNode oldNode = base[index].Node;
SopInstanceNode newNode = item.Node;
_map.Add(newNode, item);
_map[oldNode].PropertyChanged -= Item_PropertyChanged;
_map.Remove(oldNode);
_list.Remove(oldNode);
_list.Insert(index, newNode);
item.PropertyChanged += Item_PropertyChanged;
base.SetItem(index, item);
}
