static State CreateEdge(State previousState, CreateEdgeAction action)
{
var graphModel = (VSGraphModel)previousState.CurrentGraphModel;
IPortModel outputPortModel = action.OutputPortModel;
IPortModel inputPortModel = action.InputPortModel;
if (inputPortModel.NodeModel is LoopStackModel loopStackModel)
{
if (!loopStackModel.MatchingStackedNodeType.IsInstanceOfType(outputPortModel.NodeModel))
{
return(previousState);
}
}
CreateItemizedNode(previousState, graphModel, ref outputPortModel);
graphModel.CreateEdge(inputPortModel, outputPortModel);
if (action.EdgeModelsToDelete != null)
{
graphModel.DeleteEdges(action.EdgeModelsToDelete);
}
if (action.PortAlignment.HasFlag(CreateEdgeAction.PortAlignmentType.Input))
{
graphModel.LastChanges.ModelsToAutoAlign.Add(inputPortModel.NodeModel);
}
if (action.PortAlignment.HasFlag(CreateEdgeAction.PortAlignmentType.Output))
{
graphModel.LastChanges.ModelsToAutoAlign.Add(outputPortModel.NodeModel);
}
return(previousState);
}
static State CreateEdge(State previousState, CreateEdgeAction action)
{
var graphModel = (VSGraphModel)previousState.CurrentGraphModel;
IPortModel outputPortModel = action.OutputPortModel;
IPortModel inputPortModel = action.InputPortModel;
if (inputPortModel.NodeModel is LoopStackModel loopStackModel)
{
if (!loopStackModel.MatchingStackedNodeType.IsInstanceOfType(outputPortModel.NodeModel))
{
return(previousState);
}
}
CreateItemizedNode(previousState, graphModel, inputPortModel, ref outputPortModel);
graphModel.CreateEdge(inputPortModel, outputPortModel);
if (action.EdgeModelsToDelete?.Count > 0)
{
graphModel.DeleteEdges(action.EdgeModelsToDelete);
}
return(previousState);
}
