/// <summary>
/// Gets the machine to next state with given step.
/// </summary>
/// <param name="curredntStep">The currednt step.</param>
/// <param name="currentState">State of the current.</param>
/// <returns></returns>
public FSMVState OneStep(FSMStep currentStep, FSMVState currentState, Color color)
{
this.MyGraph.ChangeOneVertexColor(currentState.Name, color);
FSMVState newState = new FSMVState();
FSMVTrigger triggerFounded = this.Configuration.FoundSteppInTriggerList(currentStep);
if (triggerFounded != null)
{
AllowedTrigger allowedTrigger = new AllowedTrigger();
allowedTrigger = currentState.FoundTriggerInCureentState(triggerFounded);
if (allowedTrigger != null)
{
newState = new FSMVState();
if (string.IsNullOrEmpty(allowedTrigger.StateName))
{
newState = this.Configuration.FoundNextState(allowedTrigger.StateAndTriggerName);
}
else
{
newState = this.Configuration.FoundNextState(allowedTrigger.StateName);
}
if (newState != null)
{
this.MyGraph.ChangeOneVertexColor(newState.Name, color);
CustomEdge edge = new CustomEdge(null, null);
if (string.Compare(currentState.Name, newState.Name) == 0)
{
this.MyGraph.Vertices.Where(v => (string.Compare(v.Text, currentState.Name) == 0)).FirstOrDefault().Represented = true;
}
edge = this.MyGraph.GetEdgeBetween(currentState.Name, newState.Name);
this.MyGraph.ChangeOneEdgeColor(edge, Colors.Yellow);
}
}
}
return newState;
}
/// <summary>
/// Adds the new state.
/// </summary>
/// <param name="stateName">Name of the state.</param>
/// <param name="stateDefaultHandler">The state default handler.</param>
/// <param name="stateReentryTrigger">The state reentry trigger.</param>
/// <returns></returns>
public override string AddNewState(string stateName, string stateDefaultHandler, string stateReentryTrigger)
{
if (!string.IsNullOrEmpty(stateName))
{
if (this.MyGraph.Vertices.Where(v => string.Compare(v.Text.ToLower(), stateName.ToLower()) == 0).FirstOrDefault() != null)
{
return "A vertex with the name " + stateName + " already exists in the graph!";
}
else
{
CustomVertex vertex = new CustomVertex(stateName, Colors.Wheat, true);
FSMVState state = new FSMVState();
state.Name = stateName;
state.DefaultHandler = stateDefaultHandler;
state.ReentryUsingTrigger = stateReentryTrigger;
this.Configuration.ArrayOfFSMVState.Add(state);
this.MyGraph.AddVertex(vertex);
return "Vertex " + stateName + " successfully added!";
}
}
return "Please complete the fields first!";
}
/// <summary>
/// Adds a new edge, a new allowed trigger to source vertex, a new trigger if it doesn't exist.
/// </summary>
/// <param name="vertexFrom">The vertex from.</param>
/// <param name="trigger">The trigger.</param>
/// <param name="vertexTo">The vertex to.</param>
public override void AddNewEdge(CustomVertex vertexFrom, string trigger, CustomVertex vertexTo)
{
FSMVState state = new FSMVState();
AllowedTrigger aw = new AllowedTrigger();
FSMVTrigger trig = new FSMVTrigger();
state.Name = vertexFrom.Text;
if (string.IsNullOrEmpty(trigger))
{
CustomEdge edge = new CustomEdge(vertexTo.Text, vertexFrom, vertexTo);
this.MyGraph.AddNewEdge(vertexTo.Text, vertexFrom, vertexTo);
aw.StateAndTriggerName = trig.CommonID = vertexTo.Text;
}
else
{
CustomEdge edge = new CustomEdge(trigger, vertexFrom, vertexTo);
this.MyGraph.AddNewEdge(vertexTo.Text, vertexFrom, vertexTo);
aw.StateName = vertexTo.Text;
aw.TriggerName = trigger;
trig.Name = vertexTo.Text;
trig.SequenceID = trigger;
}
foreach (var item in this.Configuration.ArrayOfFSMVState)
{
if (item.Name == state.Name)
{
if (item.ArrayOfAllowedTrigger == null)
{
item.ArrayOfAllowedTrigger = new Collection<AllowedTrigger>();
}
item.ArrayOfAllowedTrigger.Add(aw);
break;
}
}
this.Configuration.AddNewTrigger(trig);
}
/// <summary>
/// Represents the sequence by changing vertices and edges color.
/// </summary>
/// <param name="color">The color.</param>
/// <param name="sequence">The sequence.</param>
/// /// <param name="oneSequence">if is true the Property Represented will be setted true.</param>
public OperationResult RepresentSequence(Color color, FSMSequence sequence, bool oneSequence)
{
if (oneSequence)
{
this.MyGraph.ResetToDefault();
}
FSMStep stepp = new FSMStep();
FSMVState initialState = new FSMVState();
FSMVState otherState = new FSMVState();
if (sequence.ArrayOfStep.Count != 0)
{
initialState = this.Configuration.ArrayOfFSMVState.FirstOrDefault();
stepp = sequence.ArrayOfStep.First();
otherState = this.OneStep(stepp, initialState, Colors.Yellow);
for (int i = 1; i < sequence.ArrayOfStep.Count; i++)
{
FSMStep step = new FSMStep();
step = sequence.ArrayOfStep.ElementAt(i);
if (!string.IsNullOrEmpty(otherState.Name))
{
FSMVState auxState = new FSMVState();
auxState = otherState;
otherState = new FSMVState();
otherState = this.OneStep(step, auxState, Colors.Yellow);
}
}
}
else
{
return new OperationResult(false, "Sequence with no steps!");
}
return new OperationResult(true, "Sequence represented succesfully!");
}
