private void OnNodesChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Reset)
{
Children.Clear();
nodeToUmlClassControl.Clear();
umlClassControlToNode.Clear();
NodeNames.Clear();
return;
}
if (e.OldItems != null)
{
foreach (Node node in e.OldItems)
{
var umlClassControl = nodeToUmlClassControl[(UmlClass)node];
Children.Remove(umlClassControl);
nodeToUmlClassControl.Remove((UmlClass)node);
umlClassControlToNode.Remove(umlClassControl);
NodeNames.Remove(node.Name);
}
}
if (e.NewItems != null)
{
foreach (Node node in e.NewItems)
{
AddNode(node);
if (!NodeNames.Contains(node.Name))
{
NodeNames.Add(node.Name);
}
}
}
OnFilterTextChanged(null, FilterText);
}
/// <summary>
/// Attempts to remove all traces of a particular custom node from Dynamo, assuming the node is not in a loaded workspace.
/// </summary>
/// <param name="guid"></param>
public void Remove(Guid guid)
{
if (loadedNodes.ContainsKey(guid))
{
loadedNodes.Remove(guid);
}
if (nodePaths.ContainsKey(guid))
{
nodePaths.Remove(guid);
}
if (NodeCategories.ContainsKey(guid))
{
NodeCategories.Remove(guid);
}
var nodeName = NodeNames.Where((x) => x.Value == guid).ToList();
nodeName.ForEach((pair) =>
{
NodeNames.Remove(pair.Key);
dynSettings.Controller.SearchViewModel.Remove(pair.Key);
});
dynSettings.Controller.SearchViewModel.SearchAndUpdateResults();
dynSettings.Controller.FSchemeEnvironment.RemoveSymbol(guid.ToString());
}