private void DeleteNode(FSMNodeView node)
{
var transitionViews = ports.ToList().SelectMany(p => p.connections).OfType <FSMEdgeView>().Distinct();
var transitionsToDelete = _stateMachineGraph.Connections(node.StateNode);
foreach (var toDelete in transitionViews.Where(tv => transitionsToDelete.Contains(tv.Transition)).ToArray())
{
DeleteEdge(toDelete);
}
RemoveElement(node);
_stateMachineGraph.RemoveNode(node.StateNode);
}
public void LoadGraph(FSMGraph stateMachineGraph)
{
// Clear
edges.ToList().ForEach(e => RemoveElement(e));
nodes.ToList().ForEach(n => RemoveElement(n));
_stateMachineGraph = stateMachineGraph;
// Load nodes
foreach (var node in stateMachineGraph.Nodes)
{
var nodeView = new FSMNodeView(node);
AddElement(nodeView);
}
// Restore connections
foreach (var transition in stateMachineGraph.Transitions)
{
var viewFrom = ViewFor(transition.From);
var viewTo = ViewFor(transition.To);
Port outputPort = viewFrom.outputContainer.Query <Port>().First();
Port inputPort = viewTo.inputContainer.Query <Port>().First();
var edge = new FSMEdgeView(transition)
{
input = inputPort,
output = outputPort,
};
outputPort.Connect(edge);
inputPort.Connect(edge);
AddElement(edge);
}
}
