/// <summary>
/// Remove a transition.
///
/// Used in editing the graph.
/// </summary>
/// <returns>The transition.</returns>
/// <param name="transition">Transition.</param>
public StateMachine RemoveTransition(Transition transition)
{
// Find all states referencing this transition and remove the reference
foreach (State s in states) {
s.RemoveTransition (transition);
}
return this;
}
/// <summary>
/// No package private. Called by machine.
/// </summary>
/// <returns>The transition.</returns>
/// <param name="transition">Transition.</param>
public State RemoveTransition(Transition transition)
{
if (transitions.Contains(transition)) {
transitions.Remove (transition);
}
return this;
}
/// <summary>
/// Add a Transition from one state to another.
///
/// Used in constructing the graph.
/// </summary>
/// <returns>The transition.</returns>
/// <param name="from">From.</param>
/// <param name="to">To.</param>
public Transition AddTransition(State from, State to)
{
if (!States.Contains (from) || !States.Contains (to))
throw new TransitionException ("One or both of the states does not exist");
Transition transition = new Transition (to);
from.AddTransition (transition);
transitions.Add (transition);
return transition;
}
/// <summary>
/// No package private. Called by Machine.
/// </summary>
/// <returns>The transition.</returns>
/// <param name="transition">Transition.</param>
public Transition AddTransition(Transition transition)
{
if (transition.State.Machine != machine) {
throw new TransitionException ("The to state in this transition is from another state machine than this one.");
}
transitions.Add (transition);
return transition;
}
