private void New_Executed(object sender, ExecutedRoutedEventArgs e)
{
StateMachine sm = DataContext as StateMachine;
if (e.Parameter is StateMachine)
{
StringQueryItem sqi = new StringQueryItem("Enter new state's name", "New State");
StringQuery sq = new StringQuery();
sq.DataContext = sqi;
bool? result = sq.ShowDialog();
if (result.Value)
{
State state = new State(sqi.Text);
sm.addState(state);
}
}
}
public Transition(State from, State to)
{
m_from = from;
m_to = to;
}
public void removeState(State state)
{
List<Transition> toDelete = new List<Transition>();
foreach (Transition t in state.Transitions)
{
toDelete.Add(t);
//removeTransition(t);
}
foreach (Transition t in toDelete)
{
removeTransition(t);
}
// remove all Transitions to this state
toDelete = new List<Transition>();
foreach (Transition t in m_transitions)
{
if (t.To == state)
{
toDelete.Add(t);
//removeTransition(t);
}
}
foreach (Transition t in toDelete)
{
removeTransition(t);
}
m_states.Remove(state);
}
public void addState(State state)
{
m_states.Add(state);
}
/// <summary>
/// Consutrctor to use!
/// </summary>
/// <param name="name">Name of the statemachine</param>
/// <param name="transitions">A list of transitions betweenn the states</param>
/// <param name="states">The states of the statemachine</param>
public StateMachine(String name, Parameter transitions, ObservableCollection<Element> states)
{
m_name = name;
m_transitionsParameter = transitions;
foreach (Element element in states)
{
if (element.Semantic == Element.ElementSemantic.STATE)
{
Parameter id = element.getParameter("id");
if (id != null)
{
State newState = new State(id.Values);
addState(newState);
}
}
}
}
private void selectState(StateMachine sm, State state)
{
if (sm.SelectedState != null)
sm.SelectedState.Selected = false;
sm.SelectedState = state;
if (sm.SelectedState != null)
sm.SelectedState.Selected = true;
}
private void deleteState(StateMachine sm, State state)
{
// copy transitions
ObservableCollection<Transition> transitions = new ObservableCollection<Transition>(state.Transitions);
// delete transitions from this state
foreach (Transition t in transitions)
{
sm.Transitions.Remove(t);
state.Transitions.Remove(t);
}
// delete transitions to this state
foreach (State s in sm.States)
{
// copy transitions
ObservableCollection<Transition> transitions2 = new ObservableCollection<Transition>(s.Transitions);
foreach (Transition t2 in transitions2)
{
if (t2.To == state)
{
s.Transitions.Remove(t2);
sm.Transitions.Remove(t2);
}
}
}
// delete state
sm.States.Remove(state);
}
