- ObjectKind aKind = theLabel.Father().Tag();
- Handle(HYDROData_Object) aResult;
- switch(aKind) {
- case KIND_IMAGE:
- aResult = new HYDROData_Image();
- break;
- case KIND_POLYLINE:
- aResult = new HYDROData_Polyline();
- break;
- case KIND_VISUAL_STATE:
- aResult = new HYDROData_VisualState();
- break;
+ Handle(HYDROData_Entity) aResult;
+
+ // If label has no name attribute it mean that this is not object or
+ // this object has been removed from document
+ Handle(TDataStd_Name) aNameAtt;
+ if ( !theLabel.FindAttribute( TDataStd_Name::GetID(), aNameAtt ) )
+ return aResult;
+
+ ObjectKind aKind = KIND_UNKNOWN;
+
+ // Retrieve the type of object from label
+ Handle(TDataStd_NamedData) aNamedData;
+ if ( theLabel.FindAttribute( TDataStd_NamedData::GetID(), aNamedData ) )
+ aKind = aNamedData->GetInteger( "ObjectKind" );
+
+ if ( aKind == KIND_UNKNOWN )
+ aKind = theLabel.Father().Tag(); // Try to get type from father label
+
+ switch( aKind )
+ {
+ case KIND_IMAGE:
+ aResult = new HYDROData_Image();
+ break;
+ case KIND_POLYLINE:
+ aResult = new HYDROData_Polyline();
+ break;
+ case KIND_BATHYMETRY:
+ aResult = new HYDROData_Bathymetry();
+ break;
+ case KIND_ALTITUDE:
+ aResult = new HYDROData_AltitudeObject();
+ break;
+ case KIND_IMMERSIBLE_ZONE:
+ aResult = new HYDROData_ImmersibleZone();
+ break;
+ case KIND_RIVER:
+ aResult = new HYDROData_River();
+ break;
+ case KIND_STREAM:
+ aResult = new HYDROData_Stream();
+ break;
+ case KIND_CONFLUENCE:
+ aResult = new HYDROData_Confluence();
+ break;
+ case KIND_CHANNEL:
+ aResult = new HYDROData_Channel();
+ break;
+ case KIND_OBSTACLE:
+ aResult = new HYDROData_Obstacle();
+ break;
+ case KIND_DIGUE:
+ aResult = new HYDROData_Digue();
+ break;
+ case KIND_CALCULATION:
+ aResult = new HYDROData_CalculationCase();
+ break;
+ case KIND_REGION:
+ aResult = new HYDROData_Region();
+ break;
+ case KIND_ZONE:
+ aResult = new HYDROData_Zone();
+ break;
+ case KIND_VISUAL_STATE:
+ aResult = new HYDROData_VisualState();
+ break;
+ default:
+ break;