/// <summary>
/// Sets a pausable node at the given one-relative index to pause or not pause this machine upon entry.
/// </summary>
/// <param name="nodeNumber">A 1-relative index for the node to toggle</param>
/// <param name="pause">indicates whether to set the node to pause or not</param>
public void PauseAtNode(int nodeNumber, bool pause)
{
if (!SupportsSelfPausing)
{
return;
}
var pausable = FindAllPausableNodes();
if (pausable.ContainsKey(nodeNumber))
{
// This covers the easy case that the node to be paused is located in this machine.
pausable[nodeNumber].PauseParentMachine = pause;
}
else if (IsPaused)
{
var behavioralNode = CurrentNode as BehavioralNode;
ISubmachineBehavior doBehave = null;
if (behavioralNode != null)
{
doBehave = behavioralNode.DoBehavior as ISubmachineBehavior;
}
if (doBehave != null && doBehave.Machine is CommandExecutingMachine && doBehave.IsPaused)
{
// This covers the case that we need to drill down into existing submachines to find the node to pause.
(doBehave.Machine as CommandExecutingMachine).PauseAtNode(nodeNumber, pause);
}
else if (Configuration.HasDataKey("InitialBreakpoints"))
{
// This covers the case that the node to be paused will exist in a submachine, but hasn't been instantiated yet.
var breakpoints = Configuration.Data.InitialBreakpoints as List <int>;
if (pause)
{
if (!breakpoints.Contains(nodeNumber))
{
breakpoints.Add(nodeNumber);
}
}
else
{
breakpoints.Remove(nodeNumber);
}
}
}
}
private void SubscribeToSubmachineBehavior(bool subscribe, ISubmachineBehavior behavior)
{
if (behavior != null)
{
if (subscribe)
{
behavior.SubmachinePaused += HandleSubmachinePaused;
behavior.SubmachineResumed += HandleSubmachineResumed;
behavior.SubmachinePausableNodeEntered += HandleSubmachinePausableNodeEntered;
}
else
{
behavior.SubmachinePaused -= HandleSubmachinePaused;
behavior.SubmachineResumed -= HandleSubmachineResumed;
behavior.SubmachinePausableNodeEntered -= HandleSubmachinePausableNodeEntered;
}
}
}
