Methods to work with imagw references:

[modules/hydro.git] / src / HYDROData / HYDROData_Region.cxx

diff --git a/src/HYDROData/HYDROData_Region.cxx b/src/HYDROData/HYDROData_Region.cxx
index 3a1c59acfcf819ef7f0666576b45d9c4fe20640e..6e0a0f1dee206324c3076569d210535444abbc5c 100644 (file)
--- a/src/HYDROData/HYDROData_Region.cxx
+++ b/src/HYDROData/HYDROData_Region.cxx
@@ -14,6 +14,7 @@ IMPLEMENT_STANDARD_RTTIEXT(HYDROData_Region, HYDROData_Entity)
 
 
 HYDROData_Region::HYDROData_Region()
+ : HYDROData_Entity()
 {
 }
 
@@ -25,7 +26,7 @@ QStringList HYDROData_Region::DumpToPython( MapOfTreatedObjects& theTreatedObjec
 {
   QStringList aResList;
 
-  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( this );
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( myLab );
   if ( aDocument.IsNull() )
     return aResList;
 
@@ -52,50 +53,32 @@ QStringList HYDROData_Region::DumpToPython( MapOfTreatedObjects& theTreatedObjec
   return aResList;
 }
 
-Handle(HYDROData_Zone) HYDROData_Region::AddNewZone()
+bool HYDROData_Region::AddZone( const Handle(HYDROData_Zone)& theZone )
 {
-  TDF_Label aNewLab = myLab.FindChild( ChildTag_Zone ).NewChild();
-
-  return Handle(HYDROData_Zone)::DownCast(
-    HYDROData_Iterator::CreateObject( aNewLab, KIND_ZONE ) );
-}
-
-void HYDROData_Region::RemoveChildZones()
-{
-  myLab.FindChild( ChildTag_Zone ).ForgetAllAttributes( true );
-}
-
-int HYDROData_Region::NbZones() const
-{
-  return NbReferenceObjects( DataTag_Zone );
-}
-
-void HYDROData_Region::AddZone( const Handle(HYDROData_Zone)& theZone )
-{
-  AddReferenceObject( theZone, DataTag_Zone );
-}
+  if ( theZone.IsNull() )
+    return false;
+  
+  if ( HasReference( theZone, DataTag_Zone ) )
+    return false; // Object is already in reference list
+
+  // Move the zone from other region
+  Handle(HYDROData_Region) aFatherRegion = 
+    Handle(HYDROData_Region)::DownCast( theZone->GetFatherObject() );
+  if ( !aFatherRegion.IsNull() && aFatherRegion->Label() != myLab )
+  {
+    Handle(HYDROData_Zone) aNewZone = addNewZone();
+    theZone->CopyTo( aNewZone );
 
-void HYDROData_Region::SetZone( const int                     theIndex,
-                                const Handle(HYDROData_Zone)& theZone )
-{
-  SetReferenceObject( theZone, DataTag_Zone, theIndex );
-}
+    aFatherRegion->RemoveZone( theZone );
 
-void HYDROData_Region::InsertZone( const int                     theBeforeIndex,
-                                   const Handle(HYDROData_Zone)& theZone )
-{
-  InsertReferenceObject( theZone, DataTag_Zone, theBeforeIndex );
-}
-
-void HYDROData_Region::SetZones( const HYDROData_SequenceOfObjects& theZones )
-{
-  SetReferenceObjects( theZones, DataTag_Zone );
-}
+    theZone->SetLabel( aNewZone->Label() );
+  }
+  else
+  {
+    AddReferenceObject( theZone, DataTag_Zone );
+  }
 
-Handle(HYDROData_Zone) HYDROData_Region::GetZone( const int theIndex ) const
-{
-  return Handle(HYDROData_Zone)::DownCast( 
-           GetReferenceObject( DataTag_Zone, theIndex ) );
+  return true;
 }
 
 HYDROData_SequenceOfObjects HYDROData_Region::GetZones() const
@@ -109,16 +92,33 @@ void HYDROData_Region::RemoveZone( const Handle(HYDROData_Zone)& theZone )
     return;
 
   RemoveReferenceObject( theZone->Label(), DataTag_Zone );
-}
 
-void HYDROData_Region::RemoveZone( const int theIndex )
-{
-  RemoveReferenceObject( DataTag_Zone, theIndex );
+  // Remove zone from data model
+  Handle(HYDROData_Region) aFatherRegion = 
+    Handle(HYDROData_Region)::DownCast( theZone->GetFatherObject() );
+  if ( !aFatherRegion.IsNull() && aFatherRegion->Label() == myLab )
+    theZone->Remove();
+
+  // If the last zone has been removed from region we remove this region
+  HYDROData_SequenceOfObjects aRefZones = GetZones();
+  if ( aRefZones.IsEmpty() )
+    Remove();
 }
 
 void HYDROData_Region::RemoveZones()
 {
   ClearReferenceObjects( DataTag_Zone );
+  myLab.FindChild( DataTag_ChildZone ).ForgetAllAttributes( true );
 }
 
+Handle(HYDROData_Zone) HYDROData_Region::addNewZone()
+{
+  TDF_Label aNewLab = myLab.FindChild( DataTag_ChildZone ).NewChild();
+
+  Handle(HYDROData_Zone) aNewZone =
+    Handle(HYDROData_Zone)::DownCast( HYDROData_Iterator::CreateObject( aNewLab, KIND_ZONE ) );
+  AddZone( aNewZone );
+
+  return aNewZone;
+}