public override void RetrieveRenderKnowledge()
{
if (_query.CachedEntities.Count == 0)
{
return;
}
var lst = new ObservableCollection <IKnowledge>();
foreach (var cacheObj in _query.CachedEntities)
{
var cacheShapeSymbol = cacheObj as ShapeSymbol;
var cacheGoal = cacheObj as EqGoal;
var cacheEq = cacheObj as Equation;
if (cacheShapeSymbol != null)
{
starPadSDK.MathExpr.Expr expr = ExprG.Generate(cacheShapeSymbol);
var agShape = new AGShapeExpr(expr, cacheShapeSymbol);
lst.Add(agShape);
}
else if (cacheGoal != null)
{
starPadSDK.MathExpr.Expr expr = ExprG.Generate(cacheGoal);
var agGoal = new AGPropertyExpr(expr, cacheGoal);
lst.Add(agGoal);
}
else if (cacheEq != null)
{
starPadSDK.MathExpr.Expr expr = ExprG.Generate(cacheEq);
var agEq = new AGEquationExpr(expr, cacheEq);
lst.Add(agEq);
}
}
RenderKnowledge = lst;
}
/// <summary>
/// Goal Input Patter Match
/// </summary>
/// <param name="expr"></param>
/// <param name="goal"></param>
/// <param name="output"></param>
/// <param name="userInput"></param>
/// <returns></returns>
private bool EvalExprPatterns(Expr expr, EqGoal goal, out object output, bool userInput = false)
{
object obj = null;
if (!userInput)
{
obj = RelationGraph.AddNode(goal);
}
output = new AGPropertyExpr(expr, goal);
return(true);
}
/// <summary>
/// Goal Input Patter Match
/// </summary>
/// <param name="expr"></param>
/// <param name="goal"></param>
/// <param name="output"></param>
/// <param name="userInput"></param>
/// <returns></returns>
private bool EvalExprPatterns(Expr expr, EqGoal goal, out object output, bool userInput = false)
{
object obj = null;
if (!userInput)
{
obj = RelationGraph.AddNode(goal);
}
output = new AGPropertyExpr(expr, goal);
return true;
}
private bool GoalVerify(IKnowledge obj, EqGoal eqGoal, out string msg, out object output)
{
msg = AGTutorMessage.VerifyWrong;
output = null;
List<Tuple<object, object>> trace = null;
var agPropExpr = new AGPropertyExpr(obj.Expr, eqGoal);
agPropExpr.IsSelected = true;
agPropExpr.GenerateSolvingTrace();
trace = agPropExpr.AutoTrace;
BehaviorGraphNode node;
if (trace == null || trace.Count == 0)
{
node = UserGraph.UpdateSolvingCache(agPropExpr);
//node = UserGraph.SearchInnerLoopNode(eqGoal);
if (node == null)
return false;
}
if (trace != null)
{
bool matchResult = UserGraph.Match(trace);
if (!matchResult) return false;
//insert nodes
UserGraph.Insert(trace);
CurrentStateNode = UserGraph.SearchInnerLoopNode(obj); //update _currentStateNode;
}
else
{
CurrentStateNode = UserGraph.SearchInnerLoopNode(eqGoal);
}
/* var nextTuple1 = UserGraph.SearchNextInnerLoopNode(CurrentStateNode);
if (nextTuple1 == null) // query-end
{
msg = AGTutorMessage.SolvedProblem;
return true;
}
*/
msg = AGTutorMessage.VerifyCorrect;
return true;
}