public void NotifyElementChanged()
{
if (_ignoreNotifyElementChanged)
{
return;
}
if (UsedBy.Count > 0)
{
var copyOfUsedBy = new List <Expression>(UsedBy);
UsedBy.Clear();
foreach (var e in copyOfUsedBy)
{
var ae = e as ArrayExpression;
ae?.SetRawExpression(ae.ExprString, Exprs.Length);
e.Recalculate();
}
}
ValueChanged?.Invoke(this, EventArgs.Empty);
}
public override void Recalculate(int depth = 1)
{
if (depth > MaxRecursionDepth)
{
// we are proabaly about to encounter a stack overflow
return;
}
// remove all the DependentOn values
// e.g. remove the cross-references
foreach (var e in DependentOn)
{
e.UsedBy.Remove(this);
}
DependentOn.Clear();
try
{
var val = Evaluater.Evaluate(ExprString, VarEval, IndexInArray);
CachedValue.SwitchTo(val.IsArray ? val.AsArray[IndexInArray] : val);
}
catch
{
StepManager.ErrorOccurred = true;
}
if (!IsWeak)
{
if (UsedBy.Count > 0)
{
var copyOfUsedBy = new List <Expression>(UsedBy);
UsedBy.Clear();
foreach (var e in copyOfUsedBy)
{
e.Recalculate(depth + 1);
}
}
ParentArray?.NotifyElementChanged();
}
ValueChanged?.Invoke(this, EventArgs.Empty);
}