public override bool Remove(GoObject obj)
{
if (obj.IsAnImplementationOf <IBaseNode>() && DiagramModel != null)
{
DiagramModel.RemoveNodeId(obj as IBaseNode);
}
return(base.Remove(obj));
}
public override void Add(GoObject obj)
{
if (obj == null)
{
return;
}
base.Add(obj);
//DiagramModel is null in deserialization process therefore fill DiagramModel._nodes in DiagramSerializer.XmlDocumentToModel
if (obj.IsAnImplementationOf <IBaseNode>() && DiagramModel != null)
{
DiagramModel.AddNodeId(obj as IBaseNode);
}
}
public IDiagramModel CreateCopy(string containerId = null)
{
IContainerBase source = null;
if (String.IsNullOrEmpty(containerId))
{
source = this;
}
else if (_nodes.Contains(containerId))
{
source = GetNode <IContainerNode>(containerId);
}
// cannot create copy for other
if (source == null)
{
return(null);
}
var diagramModel = new DiagramModel {
DiagramOptions = DiagramOptions
};
var goCollection = new GoCollection {
source as GoNode
};
var copy = diagramModel.CopyFromCollection(goCollection);
// _nodes is empty - overridden Add method seems not to be used in CopyFromCollection
foreach (var node in diagramModel.GetAllChildren <IBaseNode>())
{
diagramModel.AddNodeId(node);
}
return(diagramModel);
}
