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// File: TNaming_DeltaOnModification.cxx
// Created: Wed Dec 3 17:10:50 1997
// Author: Yves FRICAUD
// <yfr@claquox.paris1.matra-dtv.fr>
#include <TNaming_DeltaOnModification.ixx>
#include <TNaming_Iterator.hxx>
#include <TNaming_Builder.hxx>
#include <TNaming_Evolution.hxx>
#include <TDF_DeltaOnModification.hxx>
#include <TDF_Label.hxx>
//=======================================================================
//function : TNaming_DeltaOnModification
//purpose :
//=======================================================================
TNaming_DeltaOnModification::TNaming_DeltaOnModification(const Handle(TNaming_NamedShape)& NS)
: TDF_DeltaOnModification(NS)
{
Standard_Integer NbShapes = 0;
for (TNaming_Iterator it(NS); it.More(); it.Next()) { NbShapes++;}
if (NbShapes == 0) return;
TNaming_Evolution Evol = NS->Evolution();
Standard_Integer i = 1;
if (Evol == TNaming_PRIMITIVE) {
myNew = new TopTools_HArray1OfShape(1,NbShapes);
for (TNaming_Iterator it2(NS) ; it2.More(); it2.Next(),i++) {
myNew->SetValue(i,it2.NewShape());
}
}
else if (Evol == TNaming_DELETE) {
myOld = new TopTools_HArray1OfShape(1,NbShapes);
for (TNaming_Iterator it2(NS); it2.More(); it2.Next(),i++) {
myOld->SetValue(i,it2.OldShape());
}
}
else {
myOld = new TopTools_HArray1OfShape(1,NbShapes);
myNew = new TopTools_HArray1OfShape(1,NbShapes);
for (TNaming_Iterator it2(NS); it2.More(); it2.Next(), i++) {
myNew->SetValue(i,it2.NewShape());
myOld->SetValue(i,it2.OldShape());
}
}
}
//=======================================================================
//function : LoadNamedShape
//purpose :
//=======================================================================
static void LoadNamedShape (TNaming_Builder& B,
TNaming_Evolution Evol,
const TopoDS_Shape& OS,
const TopoDS_Shape& NS)
{
switch (Evol) {
case TNaming_PRIMITIVE :
{
B.Generated(NS);
break;
}
case TNaming_GENERATED :
{
B.Generated(OS,NS);
break;
}
case TNaming_MODIFY :
{
B.Modify(OS,NS);
break;
}
case TNaming_DELETE :
{
B.Delete (OS);
break;
}
case TNaming_SELECTED :
{
B.Select(NS,OS);
break;
}
case TNaming_REPLACE :
{
B.Replace(OS,NS);
break;
}
}
}
//=======================================================================
//function : Apply
//purpose :
//=======================================================================
void TNaming_DeltaOnModification::Apply()
{
Handle(TDF_Attribute) TDFAttribute = Attribute();
Handle(TNaming_NamedShape) NS = (*((Handle(TNaming_NamedShape)*)&TDFAttribute));
// If there is no attribute, reinsert the previous. Otherwise a new one
// is created automatically, and all referencing the previous are incorrect! FID 24/12/97
Handle(TDF_Attribute) dummyAtt;
//if (!Ins.Find(NS->ID(),dummyAtt)) Ins.Add(NS);
if (!Label().FindAttribute(NS->ID(),dummyAtt)) {
Label().AddAttribute(NS);
}
if (myOld.IsNull() && myNew.IsNull())
return;
else if (myOld.IsNull()) {
//TNaming_Builder B(Ins);
TNaming_Builder B(Label());
TopoDS_Shape Old;
for (Standard_Integer i = 1; i <= myNew->Upper(); i++) {
LoadNamedShape (B,NS->Evolution(),Old,myNew->Value(i));
}
}
else if (myNew.IsNull()) {
//TNaming_Builder B(Ins);
TNaming_Builder B(Label());
TopoDS_Shape New;
for (Standard_Integer i = 1; i <= myOld->Upper(); i++) {
LoadNamedShape (B,NS->Evolution(),myOld->Value(i),New);
}
}
else {
//TNaming_Builder B(Ins);
TNaming_Builder B(Label());
for (Standard_Integer i = 1; i <= myOld->Upper(); i++) {
LoadNamedShape (B,NS->Evolution(),myOld->Value(i),myNew->Value(i));
}
}
}
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