src/HYDROData/HYDROData_Iterator.cxx

   1
   2 #include "HYDROData_Iterator.h"
   3
   4 #include "HYDROData_AltitudeObject.h"
   5 #include "HYDROData_Bathymetry.h"
   6 #include "HYDROData_CalculationCase.h"
   7 #include "HYDROData_Channel.h"
   8 #include "HYDROData_Confluence.h"
   9 #include "HYDROData_DummyObject3D.h"
  10 #include "HYDROData_Digue.h"
  11 #include "HYDROData_EdgesGroup.h"
  12 #include "HYDROData_Image.h"
  13 #include "HYDROData_ImmersibleZone.h"
  14 #include "HYDROData_Obstacle.h"
  15 #include "HYDROData_Polyline3D.h"
  16 #include "HYDROData_PolylineXY.h"
  17 #include "HYDROData_Profile.h"
  18 #include "HYDROData_ProfileUZ.h"
  19 #include "HYDROData_VisualState.h"
  20 #include "HYDROData_Region.h"
  21 #include "HYDROData_River.h"
  22 #include "HYDROData_Stream.h"
  23 #include "HYDROData_Zone.h"
  24
  25 #include <TDataStd_Name.hxx>
  26 #include <TDataStd_NamedData.hxx>
  27
  28 #include <NCollection_DataMap.hxx>
  29
  30 //! Returns label by root objects kind and the kind of the object
  31 static TDF_Label GetLabelByKind(TDF_Label theRoot, ObjectKind theKind)
  32 {
  33   if (theKind == KIND_UNKNOWN) return theRoot;
  34   return theRoot.FindChild(theKind);
  35 }
  36
  37 HYDROData_Iterator::HYDROData_Iterator( const Handle(HYDROData_Document)& theDoc,
  38                                         const ObjectKind                  theKind )
  39 : myIter( GetLabelByKind( theDoc->LabelOfObjects(), theKind ),
  40           TDataStd_Name::GetID(), theKind == KIND_UNKNOWN ) // iterate all sub-objects for unknown kind
  41 {
  42 }
  43
  44 void HYDROData_Iterator::Next()
  45 {
  46   myIter.Next();
  47   // omit the properties iteration in case of UNKNOWN kind filtering
  48   while ( myIter.More() && myIter.Value()->Label().Depth() < 4 )
  49     myIter.Next();
  50 }
  51
  52 bool HYDROData_Iterator::More() const
  53 {
  54   return myIter.More();
  55 }
  56
  57 Handle(HYDROData_Entity) HYDROData_Iterator::Current()
  58 {
  59   return Object(myIter.Value()->Label());
  60 }
  61
  62 Handle(HYDROData_Entity) HYDROData_Iterator::CreateObject(
  63   const Handle(HYDROData_Document)& theDoc,
  64   const ObjectKind&                 theObjectKind )
  65 {
  66   TDF_Label aNewLab =
  67     GetLabelByKind( theDoc->LabelOfObjects(), theObjectKind ).FindChild( theDoc->NewID() );
  68   return CreateObject( aNewLab, theObjectKind );
  69 }
  70
  71 Handle(HYDROData_Entity) HYDROData_Iterator::CreateObject( TDF_Label&        theNewLabel,
  72                                                            const ObjectKind& theObjectKind )
  73 {
  74   // Object exists if there is a name attribute
  75   TDataStd_Name::Set( theNewLabel, "" );
  76
  77   // Store the type of object in data label
  78   TDataStd_NamedData::Set( theNewLabel );
  79
  80   Handle(TDataStd_NamedData) aNamedData;
  81   theNewLabel.FindAttribute( TDataStd_NamedData::GetID(), aNamedData );
  82   aNamedData->SetInteger( "ObjectKind", theObjectKind );
  83
  84   return Object( theNewLabel );
  85 }
  86
  87 Handle(HYDROData_Entity) HYDROData_Iterator::Object( const TDF_Label& theLabel )
  88 {
  89   Handle(HYDROData_Entity) aResult;
  90
  91   // If label has no name attribute it mean that this is not object or
  92   // this object has been removed from document
  93   Handle(TDataStd_Name) aNameAtt;
  94   if ( !theLabel.FindAttribute( TDataStd_Name::GetID(), aNameAtt ) )
  95     return aResult;
  96
  97   ObjectKind aKind = KIND_UNKNOWN;
  98
  99   // Retrieve the type of object from label
 100   Handle(TDataStd_NamedData) aNamedData;
 101   if ( theLabel.FindAttribute( TDataStd_NamedData::GetID(), aNamedData ) )
 102     aKind = aNamedData->GetInteger( "ObjectKind" );
 103
 104   if ( aKind == KIND_UNKNOWN )
 105     aKind = theLabel.Father().Tag(); // Try to get type from father label
 106
 107   switch( aKind )
 108   {
 109     case KIND_IMAGE:            aResult = new HYDROData_Image();             break;
 110     case KIND_POLYLINE:         aResult = new HYDROData_Polyline3D();        break;
 111     case KIND_BATHYMETRY:       aResult = new HYDROData_Bathymetry();        break;
 112     case KIND_ALTITUDE:         aResult = new HYDROData_AltitudeObject();    break;
 113     case KIND_IMMERSIBLE_ZONE:  aResult = new HYDROData_ImmersibleZone();    break;
 114     case KIND_RIVER:            aResult = new HYDROData_River();             break;
 115     case KIND_STREAM:           aResult = new HYDROData_Stream();            break;
 116     case KIND_CONFLUENCE:       aResult = new HYDROData_Confluence();        break;
 117     case KIND_CHANNEL:          aResult = new HYDROData_Channel();           break;
 118     case KIND_OBSTACLE:         aResult = new HYDROData_Obstacle();          break;
 119     case KIND_DIGUE:            aResult = new HYDROData_Digue();             break;
 120     case KIND_PROFILE:          aResult = new HYDROData_Profile();           break;
 121     case KIND_PROFILEUZ:        aResult = new HYDROData_ProfileUZ();         break;
 122     case KIND_POLYLINEXY:       aResult = new HYDROData_PolylineXY();        break;
 123     case KIND_CALCULATION:      aResult = new HYDROData_CalculationCase();   break;
 124     case KIND_REGION:           aResult = new HYDROData_Region();            break;
 125     case KIND_ZONE:             aResult = new HYDROData_Zone();              break;
 126     case KIND_VISUAL_STATE:     aResult = new HYDROData_VisualState();       break;
 127     case KIND_DUMMY_3D:         aResult = new HYDROData_DummyObject3D();     break;
 128     case KIND_EDGES_GROUP:      aResult = new HYDROData_EdgesGroup();        break;
 129     default:                                                                 break;
 130   }
 131
 132   if ( !aResult.IsNull() )
 133     aResult->SetLabel( theLabel );
 134
 135   return aResult;
 136 }