/// //////////////////////////////////////////
public override CResultAErreur VerifieParametres()
{
CResultAErreur result = base.VerifieParametres();
if (!result)
{
return(result);
}
C2iExpressionChamp expressionChamp = Parametres2i[0] as C2iExpressionChamp;
if (expressionChamp == null)
{
C2iExpressionObjet expressionObjet = Parametres2i[0] as C2iExpressionObjet;
while (expressionObjet != null && expressionChamp == null)
{
expressionChamp = expressionObjet.Parametres2i[1] as C2iExpressionChamp;
expressionObjet = expressionObjet.Parametres2i[1] as C2iExpressionObjet;
}
}
if (!(expressionChamp is C2iExpressionChamp))
{
result.EmpileErreur(I.T("The 'Set' first parameter must be a variable|134"));
return(result);
}
return(result);
}
/// //////////////////////////////////////////
private CResultAErreur GetSourceEtChampFinal(C2iExpression expression, CContexteEvaluationExpression ctx, ref object source, ref C2iExpressionChamp expressionChamp)
{
CResultAErreur result = CResultAErreur.True;
expressionChamp = expression as C2iExpressionChamp;
if (expressionChamp != null)
{
return(result);
}
C2iExpressionObjet expObjet = expression as C2iExpressionObjet;
if (expObjet == null)
{
result.EmpileErreur(I.T("Impossible to affect a value to @1|133", expression.GetString()));
}
result = expObjet.Parametres2i[0].Eval(ctx);
if (!result || result == null)
{
return(result);
}
ctx.PushObjetSource(result.Data, false);
source = result.Data;
result = GetSourceEtChampFinal(expObjet.Parametres2i[1], ctx, ref source, ref expressionChamp);
ctx.PopObjetSource(false);
return(result);
}
//------------------------------------------------------------------------
public override void DrawExpression(CContextDessinObjetGraphique ctx, CRepresentationExpressionGraphique expressionGraphique)
{
C2iExpressionObjet expObjet = expressionGraphique.Formule as C2iExpressionObjet;
if (expObjet == null)
{
return;
}
Rectangle rct = expressionGraphique.RectangleAbsolu;
Rectangle[] rcts = new Rectangle[] {
new Rectangle(rct.Left, rct.Top, rct.Width, rct.Height / 2),
new Rectangle(rct.Left, rct.Top + rct.Height / 2, rct.Width, rct.Height / 2)
};
//Dessin des deux paramètres
for (int n = 0; n < 2; n++)
{
CRepresentationExpressionGraphique exp = new CRepresentationExpressionGraphique();
exp.Position = new Point(rcts[n].Left, rcts[n].Top);
exp.Size = new Size(rcts[n].Width, rcts[n].Height);
if (expObjet.Parametres.Count > n)
{
exp.Formule = expObjet.Parametres2i[n];
}
CDessineurExpressionGraphique dessineur = CDessineurExpressionGraphique.GetDessineur(exp);
if (dessineur != null)
{
dessineur.DrawExpression(ctx, exp);
}
}
StringFormat f = new StringFormat();
f.Alignment = StringAlignment.Center;
f.LineAlignment = StringAlignment.Center;
Font ft = new Font(FontFamily.GenericSansSerif, 8);
AdjustableArrowCap cap = new AdjustableArrowCap(4, 4, true);
C2iExpressionGraphique rep = expressionGraphique.RepresentationRacine;
if (rep != null)
{
Pen pen = new Pen(Brushes.DarkGreen, 1);
pen.DashStyle = DashStyle.DashDotDot;
pen.EndCap = LineCap.Custom;
pen.CustomEndCap = cap;
foreach (string strLien in expressionGraphique.IdElementsUtilises)
{
CRepresentationExpressionGraphique exp = rep.GetFormule(strLien);
if (exp != null)
{
DrawLien(ctx, pen, ft, exp, expressionGraphique, "");
}
}
pen.Dispose();
}
CRepresentationExpressionGraphique next = expressionGraphique.Next;
if (next != null)
{
Pen pen = new Pen(Brushes.Black, 3);
pen.CustomEndCap = cap;
DrawLien(ctx, pen, ft, expressionGraphique, next, "");
pen.Dispose();
}
cap.Dispose();
ft.Dispose();
}