public void Run()
{
var currentDirection = 0;
var currentIndex = 0;
while (currentIndex < steps.Count)
{
PreviousStep = currentIndex > 0 ? steps[currentIndex - 1] : null;
CurrentStep = steps[currentIndex];
var result = CurrentStep.Run(this);
switch (result)
{
case IStepResult.Next:
currentDirection = 1;
break;
case IStepResult.Previous:
currentDirection = -1;
break;
case IStepResult.Skip:
// do not change direction
break;
default:
IsCancelled = true;
return;
}
currentIndex += currentDirection;
}
}
private bool Run(List <String> stepNameAlreadyCalled)
{
if (CurrentStep == null)
{
return(true);
}
if (stepNameAlreadyCalled.Contains(CurrentStep.Name))
{
return(false);
}
bool isStepEnd = CurrentStep.Run(FirstCallCurrentStep);
if (isStepEnd)
{
// To avoid forever loop
stepNameAlreadyCalled.Add(CurrentStep.Name);
FirstCallCurrentStep = true;
CurrentStep = CurrentStep.NextStep;
if (CurrentStep != null && CurrentStep.IsImmediateRun)
{
return(Run(stepNameAlreadyCalled));
}
}
else
{
FirstCallCurrentStep = false;
}
return(false);
}
