public void SaveDiagram(string filename)
{
DiagramModel diagramModel = new DiagramModel();
Dictionary <NodeBaseViewModel, DiagramNodeBase> nodeDictionary = new Dictionary <NodeBaseViewModel, DiagramNodeBase>();
foreach (var node in diagramViewModel.Nodes)
{
DiagramNodeBase diagramNode = diagramViewModel.Definition.ViewModelToModel(node);
if (diagramNode == null)
{
continue;
}
diagramModel.Nodes.Add(diagramNode);
nodeDictionary.Add(node, diagramNode);
}
foreach (var edge in diagramViewModel.Edges)
{
diagramModel.Edges.Add(new DiagramConnection()
{
From = nodeDictionary[edge.From],
To = nodeDictionary[edge.To]
});
}
xmlSettings.SaveModel(diagramModel, filename);
}
/// <summary>
/// Converts model to view model
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
internal NodeBaseViewModel ModelToViewModel(DiagramNodeBase model)
{
var ctx = nodeBehaviours.FirstOrDefault(b => b.Value.TypeModel == model.GetType());
if (ctx.Value == null)
{
return(null);
}
if (ctx.Value.ConvertModelToViewModel == null)
{
return(null);
}
return(ctx.Value.ConvertModelToViewModel(model));
}
