private void workComplete(object sender, WorkFinishedEventArgs <Tree> args)
{
string status;
if (args.Completed)
{
tree = args.Result;
setEnabled(bShowTree, true);
setEnabled(bSaveTree, true);
if (tree.State == TreeState.Closed)
{
proof = new Subproof(premises);
Subproof sproof = (Subproof)proof;
proof.FirstLineNumber = 1;
List <WFF> assumptions = new List <WFF>();
assumptions.Add(conclusion.GetNegation());
Subproof sub = new Subproof(assumptions);
sub.parent = proof;
sub.AddTree(tree);
sproof.steps.Add(sub);
sproof.steps.Add(new ProofLine(conclusion, FOL.Proofs.Rule.NotIntro, sub));
proof.Clean();
setEnabled(bShowProof, true);
setEnabled(bSaveProof, true);
setText(lConclusion, "Valid");
}
else if (tree.State == TreeState.Open)
{
setText(lConclusion, "Invalid");
}
else
{
setText(lConclusion, "Unknown");
}
setTab(2);
status = "Done";
}
else if (args.Cancelled)
{
status = "Stopped";
}
else
{
status = "Error";
}
setStatus(status);
setText(lTime, args.Time.ToString());
setEnabled(bParse, true);
setEnabled(bSatisfy, false);
setEnabled(bStop, false);
}
protected virtual void raiseFinishedEvent()
{
WorkFinishedEventHandler handler = WorkFinished;
if (handler == null)
{
return;
}
WorkFinishedEventArgs <T> a = new WorkFinishedEventArgs <T>(Result, Completed, Cancelled, Time);
handler(this, a);
}