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bug #190: invisible polyline 3d
[modules/hydro.git] / src / HYDROGUI / HYDROGUI_Tool.cxx
index 5bfab0b2bc63e2f1d55c7b10c58740ebbb83888d..da585626e88ea249033e48cd03d9a717521a974d 100644 (file)
 #include "HYDROGUI_Tool.h"
 
 #include "HYDROGUI_DataModel.h"
+#include "HYDROGUI_DataObject.h"
 #include "HYDROGUI_Module.h"
 #include "HYDROGUI_Prs.h"
 
 #include <HYDROData_Document.h>
-#include <HYDROData_Image.h>
 #include <HYDROData_Iterator.h>
+#include <HYDROData_ImmersibleZone.h>
+#include <HYDROData_Tool.h>
+
+#include <GEOMBase.h>
+
+#include <GraphicsView_Viewer.h>
+
+#include <SalomeApp_Study.h>
 
 #include <LightApp_Application.h>
+#include <LightApp_DataOwner.h>
+#include <LightApp_SelectionMgr.h>
+
+#include <OCCViewer_ViewModel.h>
+#include <OCCViewer_ViewFrame.h>
 
 #include <QtxWorkstack.h>
+#include <QtxActionToolMgr.h>
 
 #include <STD_TabDesktop.h>
 
+#include <SUIT_Session.h>
 #include <SUIT_Study.h>
 #include <SUIT_ViewManager.h>
 #include <SUIT_ViewWindow.h>
 
+#include <SALOMEDSClient.hxx>
+
+#include <QDir>
+#include <QFileInfo>
+#include <QDockWidget>
+#include <QTextCodec>
+
+// Definition of this id allows to use 'latin1' (Qt alias for 'ISO-8859-1')
+// encoding instead of default 'System'
+#define USE_LATIN1_ENCODING
+
+QString HYDROGUI_Tool::ToQString( const TCollection_AsciiString& src )
+{
+#ifdef USE_LATIN1_ENCODING
+  QTextCodec* codec = QTextCodec::codecForName( "latin1" ); // alias for ISO-8859-1
+#else
+  QTextCodec* codec = QTextCodec::codecForLocale();
+#endif
+  QString res;
+  if ( !src.IsEmpty() )
+    res = codec ? codec->toUnicode( (char*)src.ToCString(), src.Length() ) :
+      QString( (char*)src.ToCString() );
+  return res;
+}
+
+QString HYDROGUI_Tool::ToQString( const TCollection_ExtendedString& src )
+{
+  return QString( (QChar*)src.ToExtString(), src.Length() );
+}
+
+QString HYDROGUI_Tool::ToQString( const Handle(TCollection_HAsciiString)& src )
+{
+  if( src.IsNull() )
+    return QString();
+  else
+    return ToQString( src->String() );
+}
+
+QString HYDROGUI_Tool::ToQString( const Handle(TCollection_HExtendedString)& src )
+{
+  if( src.IsNull() )
+    return QString();
+  return ToQString( src->String() );
+}
+
+TCollection_AsciiString HYDROGUI_Tool::ToAsciiString( const QString& src )
+{
+  TCollection_AsciiString res;
+  if( !src.isNull() )
+  {
+#ifdef USE_LATIN1_ENCODING
+    QTextCodec* codec = QTextCodec::codecForName( "latin1" ); // alias for ISO-8859-1
+#else
+    QTextCodec* codec = QTextCodec::codecForLocale();
+#endif
+    if( codec )
+    {
+      QByteArray str = codec->fromUnicode( src );
+      res = TCollection_AsciiString( (Standard_CString)str.constData() );
+    }
+    else
+      res = TCollection_AsciiString( src.toLatin1().data() );
+  }
+  return res;
+}
+
+TCollection_ExtendedString HYDROGUI_Tool::ToExtString( const QString& src )
+{
+  if( src.isEmpty() )
+    return TCollection_ExtendedString();
+
+  Standard_Integer len = src.length();
+  Standard_ExtString extStr = new Standard_ExtCharacter[ ( len + 1 ) * 2 ];
+  memcpy( (void*)extStr, src.unicode(), len * 2 );
+  ((short*)extStr)[ len ] = 0;
+
+  TCollection_ExtendedString trg( extStr );
+  delete [] extStr;
+  return trg;
+}
+
+Handle(TCollection_HAsciiString) HYDROGUI_Tool::ToHAsciiString( const QString& src )
+{
+  return new TCollection_HAsciiString( ToAsciiString( src ) );
+}
+
+Handle(TCollection_HExtendedString) HYDROGUI_Tool::ToHExtString( const QString& src )
+{
+  return new TCollection_HExtendedString( ToExtString( src ) );
+}
+
+int HYDROGUI_Tool::GetActiveStudyId()
+{
+  if( SUIT_Session* aSession = SUIT_Session::session() )
+    if( SUIT_Application* anApp = aSession->activeApplication() )
+      if( SUIT_Study* aStudy = anApp->activeStudy() )
+        return aStudy->id();
+  return 0;
+}
+
+QString HYDROGUI_Tool::GetTempDir( const bool theToCreate )
+{
+  QString aRes;
+
+  char* tmpdir = getenv ( "HYDRO_TMP_DIR" );
+  if ( tmpdir )
+  {
+    // try to create folder if it does not exist
+    QFileInfo fi( tmpdir );
+    if ( !fi.exists() && theToCreate )
+    {
+      if ( QDir().mkdir( tmpdir ) )
+        QFile::setPermissions( tmpdir, (QFile::Permissions)0x4FFFF );
+       QFileInfo fi( tmpdir );
+       if ( !fi.exists() || !fi.isWritable() )
+         tmpdir = 0;
+    }
+  }
+  if ( !tmpdir )
+    tmpdir = getenv ( "TEMP" );
+  if ( !tmpdir )
+    tmpdir = getenv ( "TMP" );
+  if ( !tmpdir )
+  {
+#ifdef WNT
+    tmpdir = "C:\\";
+#else
+    tmpdir = "/tmp";
+#endif
+  }
+  aRes = tmpdir;
+  
+  QFileInfo fi( aRes );
+  if ( !fi.exists() || !fi.isWritable() )
+    aRes = QString::null;
+
+  return aRes;
+}
+
 void HYDROGUI_Tool::SetActiveViewManager( HYDROGUI_Module* theModule,
                                           SUIT_ViewManager* theViewManager )
 {
@@ -50,36 +204,458 @@ void HYDROGUI_Tool::SetActiveViewManager( HYDROGUI_Module* theModule,
           aWorkstack->setActiveWindow( aViewWindow );
 }
 
-void HYDROGUI_Tool::GetPrsSubObjects( const HYDROGUI_DataModel* theGUIModel,
-                                      const int theViewerId, // currently unused
+void HYDROGUI_Tool::GetPrsSubObjects( HYDROGUI_Module* theModule,
                                       HYDROData_SequenceOfObjects& theSeq )
 {
-  if( !theGUIModel )
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( theModule->getStudyId() );
+  if( !aDocument.IsNull() )
+  {
+    HYDROData_Iterator anIterator( aDocument );
+    for( ; anIterator.More(); anIterator.Next() )
+    {
+      Handle(HYDROData_Entity) anObject = anIterator.Current();
+      if( !anObject.IsNull() && ( 
+        ( anObject->GetKind() == KIND_IMAGE ) ||
+        ( anObject->GetKind() == KIND_POLYLINEXY ) ||
+        ( anObject->GetKind() == KIND_POLYLINE ) ||
+        ( anObject->GetKind() == KIND_IMMERSIBLE_ZONE ) ||
+        ( anObject->GetKind() == KIND_REGION ) ||
+        ( anObject->GetKind() == KIND_BATHYMETRY ) ||
+        ( anObject->GetKind() == KIND_ZONE ) ||
+        ( anObject->GetKind() == KIND_OBSTACLE ) ||
+        ( anObject->GetKind() == KIND_PROFILE ) ||
+        ( anObject->GetKind() == KIND_STREAM ) ||
+        ( anObject->GetKind() == KIND_CHANNEL ) ) )
+      {
+        theSeq.Append( anObject );
+      }
+    }
+  }
+}
+
+HYDROGUI_Prs* HYDROGUI_Tool::GetPresentation( const Handle(HYDROData_Entity)& theObj,
+                                              const GraphicsView_ObjectList& theObjects )
+{
+  if( !theObj.IsNull() )
+  {
+    GraphicsView_ObjectListIterator anIter( theObjects );
+    while( anIter.hasNext() )
+    {
+      if( HYDROGUI_Prs* aPrs = dynamic_cast<HYDROGUI_Prs*>( anIter.next() ) )
+      {
+        Handle(HYDROData_Entity) anObj = aPrs->getObject();
+        if( IsEqual( anObj, theObj ) )
+          return aPrs;
+      }
+    }
+  }
+  return NULL;
+}
+
+GraphicsView_ObjectList HYDROGUI_Tool::GetPrsList( GraphicsView_ViewPort* theViewPort )
+{
+  GraphicsView_ObjectList aList;
+  if( theViewPort )
+  {
+    GraphicsView_ObjectListIterator anIter( theViewPort->getObjects() );
+    while( anIter.hasNext() )
+      if( HYDROGUI_Prs* aPrs = dynamic_cast<HYDROGUI_Prs*>( anIter.next() ) )
+        aList.append( aPrs );
+  }
+  return aList;
+}
+
+HYDROData_SequenceOfObjects HYDROGUI_Tool::GetSelectedObjects( HYDROGUI_Module* theModule )
+{
+  HYDROData_SequenceOfObjects aSeq;
+
+  HYDROGUI_DataModel* aModel = theModule->getDataModel();
+
+  SUIT_SelectionMgr* aSelectionMgr = theModule->getApp()->selectionMgr();
+  SUIT_DataOwnerPtrList anOwners;
+  aSelectionMgr->selected( anOwners );
+
+  QStringList aCollectedNameList; // to avoid duplication
+  foreach( SUIT_DataOwner* aSUITOwner, anOwners )
+  {
+    if( LightApp_DataOwner* anOwner = dynamic_cast<LightApp_DataOwner*>( aSUITOwner ) )
+    {
+      Handle(HYDROData_Entity) anObject = aModel->objectByEntry( anOwner->entry() );
+      if( !anObject.IsNull() )
+      {
+        QString aName = anObject->GetName();
+        if( !aCollectedNameList.contains( aName ) )
+        {
+          aSeq.Append( anObject );
+          aCollectedNameList.append( aName );
+        }
+      }
+    }
+  }
+  return aSeq;
+}
+
+Handle(HYDROData_Entity) HYDROGUI_Tool::GetSelectedObject( HYDROGUI_Module* theModule )
+{
+  HYDROData_SequenceOfObjects aSeq = GetSelectedObjects( theModule );
+  if( !aSeq.IsEmpty() )
+    return aSeq.First();
+  return NULL;
+}
+
+HYDROData_SequenceOfObjects HYDROGUI_Tool::GetGeometryObjects( 
+  HYDROGUI_Module* theModule )
+{
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( theModule->getStudyId() );
+
+  HYDROData_SequenceOfObjects aResSeq;
+
+  HYDROData_Iterator anIter( aDocument );
+  for ( ; anIter.More(); anIter.Next() )
+  {
+    Handle(HYDROData_Entity) anObj = anIter.Current();
+    if ( !HYDROData_Tool::IsGeometryObject( anObj ) )
+      continue;
+
+    aResSeq.Append( anObj );
+  }
+  
+  return aResSeq;
+}
+
+ObjectKind HYDROGUI_Tool::GetSelectedPartition( HYDROGUI_Module* theModule )
+{
+  HYDROGUI_DataModel* aModel = theModule->getDataModel();
+
+  SUIT_SelectionMgr* aSelectionMgr = theModule->getApp()->selectionMgr();
+  SUIT_DataOwnerPtrList anOwners;
+  aSelectionMgr->selected( anOwners );
+
+  if( anOwners.size() != 1 )
+    return KIND_UNKNOWN;
+
+  if( LightApp_DataOwner* anOwner = dynamic_cast<LightApp_DataOwner*>( anOwners.first().operator->() ) )
+  {
+    QString anEntry = anOwner->entry();
+    QString aPrefix = HYDROGUI_DataObject::entryPrefix();
+    if( anEntry.left( aPrefix.length() ) == aPrefix )
+    {
+      anEntry.remove( aPrefix );
+      for( ObjectKind anObjectKind = KIND_UNKNOWN + 1; anObjectKind <= KIND_LAST; anObjectKind++ )
+        if( HYDROGUI_DataModel::tr( HYDROGUI_DataModel::partitionName( anObjectKind ).toAscii() ) == anEntry )
+          return anObjectKind;
+    }
+  }
+  return KIND_UNKNOWN;
+}
+
+QStringList HYDROGUI_Tool::GetSelectedGeomObjects( HYDROGUI_Module* theModule )
+{
+  QStringList anEntryList;
+
+  // Get active SalomeApp_Study
+  SalomeApp_Study* aStudy = NULL;
+  if ( theModule && theModule->getApp() ) {
+    aStudy = dynamic_cast<SalomeApp_Study*>( theModule->getApp()->activeStudy() );
+  }
+  if ( !aStudy ) {
+    return anEntryList;
+  }
+
+  // Get selection
+  SUIT_SelectionMgr* aSelectionMgr = theModule->getApp()->selectionMgr();
+  SUIT_DataOwnerPtrList anOwners;
+  aSelectionMgr->selected( anOwners );
+
+  // Check if the selected objects belong to GEOM and have a shape
+  foreach( SUIT_DataOwner* aSUITOwner, anOwners )
+  {
+    if( LightApp_DataOwner* anOwner = dynamic_cast<LightApp_DataOwner*>( aSUITOwner ) )
+    {
+      QString anEntry = anOwner->entry();
+      _PTR(SObject) aSObject( aStudy->studyDS()->FindObjectID(qPrintable(anEntry)) );
+      if (aSObject) {
+         _PTR(SComponent) aSComponent = aSObject->GetFatherComponent();
+        if ( aSComponent && aSComponent->ComponentDataType() == "GEOM" ) {
+          GEOM::GEOM_Object_var aGeomObj = 
+            GEOMBase::GetObjectFromIOR( aSObject->GetIOR().c_str() );
+
+          if ( !aGeomObj->_is_nil() && aGeomObj->IsShape() ) {
+            anEntryList << anEntry;
+          }
+        }
+      }
+    }
+  }
+
+  return anEntryList;
+}
+
+Handle(HYDROData_Entity) HYDROGUI_Tool::FindObjectByName( HYDROGUI_Module* theModule,
+                                                          const QString&   theName,
+                                                          const ObjectKind theObjectKind )
+{
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( theModule->getStudyId() );
+  return HYDROData_Tool::FindObjectByName( aDocument, theName, theObjectKind );
+}
+
+HYDROData_SequenceOfObjects HYDROGUI_Tool::FindObjectsByNames( HYDROGUI_Module*   theModule,
+                                                               const QStringList& theNames,
+                                                               const ObjectKind   theObjectKind )
+{
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( theModule->getStudyId() );
+  return HYDROData_Tool::FindObjectsByNames( aDocument, theNames, theObjectKind );
+}
+
+QString HYDROGUI_Tool::GenerateObjectName( HYDROGUI_Module*   theModule,
+                                           const QString&     thePrefix,
+                                           const QStringList& theUsedNames,
+                                           const bool         theIsTryToUsePurePrefix)
+{
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( theModule->getStudyId() );
+  return HYDROData_Tool::GenerateObjectName( aDocument, thePrefix, theUsedNames, theIsTryToUsePurePrefix );
+}
+
+size_t HYDROGUI_Tool::GetActiveViewId( HYDROGUI_Module* theModule,
+                                       const QString&   theViewId )
+{
+  size_t aViewId = 0;
+  SUIT_ViewManager* aViewMgr = theModule->getApp()->activeViewManager();
+  if( !aViewMgr || ( !theViewId.isEmpty() && aViewMgr->getType() != theViewId ) )
+    return aViewId;
+
+  if( SUIT_ViewModel* aViewer = aViewMgr->getViewModel() )
+    aViewId = (size_t)aViewer;
+  return aViewId;
+}
+
+size_t HYDROGUI_Tool::GetActiveGraphicsViewId( HYDROGUI_Module* theModule )
+{
+  return GetActiveViewId( theModule, GraphicsView_Viewer::Type() );
+}
+
+size_t HYDROGUI_Tool::GetActiveOCCViewId( HYDROGUI_Module* theModule )
+{
+  return GetActiveViewId( theModule, OCCViewer_Viewer::Type() );
+}
+
+QList<size_t> getViewIdList( HYDROGUI_Module* theModule,
+                             const QString&   theViewId )
+{
+  QList<size_t> aList;
+  ViewManagerList aViewMgrs;
+  theModule->getApp()->viewManagers( theViewId, aViewMgrs );
+  QListIterator<SUIT_ViewManager*> anIter( aViewMgrs );
+  while( anIter.hasNext() )
+  {
+    if( SUIT_ViewManager* aViewMgr = anIter.next() )
+    {
+      if( SUIT_ViewModel* aViewer = aViewMgr->getViewModel() )
+        aList.append( (size_t)aViewer );
+    }
+  }
+  return aList;
+}
+
+QList<size_t> HYDROGUI_Tool::GetGraphicsViewIdList( HYDROGUI_Module* theModule )
+{
+  return getViewIdList( theModule, GraphicsView_Viewer::Type() );
+}
+
+QList<size_t> HYDROGUI_Tool::GetOCCViewIdList( HYDROGUI_Module* theModule )
+{
+  return getViewIdList( theModule, OCCViewer_Viewer::Type() );
+}
+
+void HYDROGUI_Tool::setOCCActionShown( OCCViewer_ViewFrame* theViewFrame,
+                                       const int theActionId,
+                                       const bool isShown )
+{
+  if ( !theViewFrame )
     return;
 
-  const int aStudyId = theGUIModel->module()->application()->activeStudy()->id();
+  OCCViewer_ViewWindow* aView = theViewFrame->getView( OCCViewer_ViewFrame::MAIN_VIEW );
+  if ( aView ) {
+    aView->toolMgr()->setShown( theActionId, isShown );
+    if ( theActionId == OCCViewer_ViewWindow::MaximizedId )
+      theViewFrame->onMaximizedView( aView, true );
+  }
+}
 
-  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( aStudyId );
-  if( aDocument.IsNull() )
+void HYDROGUI_Tool::setOCCActionShown( HYDROGUI_Module* theModule,
+                                       const int theActionId,
+                                       const bool isShown )
+{
+  QList<size_t> aList;
+  ViewManagerList aViewMgrs;
+  theModule->getApp()->viewManagers( OCCViewer_Viewer::Type(), aViewMgrs );
+  QListIterator<SUIT_ViewManager*> anIter( aViewMgrs );
+  while( anIter.hasNext() )
+  {
+    if( SUIT_ViewManager* aViewMgr = anIter.next() )
+    {
+      OCCViewer_ViewFrame* aViewFrame = dynamic_cast<OCCViewer_ViewFrame*>
+                                                           ( aViewMgr->getActiveView() );
+      if ( aViewFrame )
+        setOCCActionShown( aViewFrame, theActionId, isShown );
+    }
+  }
+}
+
+void HYDROGUI_Tool::GetObjectReferences( const Handle(HYDROData_Entity)& theObj,
+                                         HYDROData_SequenceOfObjects& theRefObjects,
+                                         QStringList& theRefNames )
+{
+  if( theObj.IsNull() )
     return;
 
-  HYDROData_Iterator anIterator( aDocument, KIND_IMAGE );
+  HYDROData_SequenceOfObjects anAllRefObjects = theObj->GetAllReferenceObjects();
+  theRefObjects.Append( anAllRefObjects );
+
+  for( int i = 1, n = anAllRefObjects.Length(); i <= n; ++i )
+  {
+    Handle(HYDROData_Entity) aRefObj = theRefObjects.Value( i );
+    if( aRefObj.IsNull() || aRefObj->IsRemoved() )
+      continue;
+
+    QString aRefObjectName = aRefObj->GetName();
+    if( theRefNames.contains( aRefObjectName ) )
+      continue;
+
+    theRefObjects.Append( aRefObj );
+    theRefNames.append( aRefObjectName );
+
+    GetObjectReferences( aRefObj, theRefObjects, theRefNames );
+  }
+}
+
+HYDROData_SequenceOfObjects HYDROGUI_Tool::GetObjectBackReferences( 
+  HYDROGUI_Module*                theModule,
+  const Handle(HYDROData_Entity)& theObj )
+{
+  if( theObj.IsNull() )
+    return HYDROData_SequenceOfObjects();
+
+  QString anObjName = theObj->GetName();
+
+  QMap<QString,HYDROData_SequenceOfObjects> aMapOfBackRefs =
+    GetObjectsBackReferences( theModule, QStringList() << anObjName );
+
+  return aMapOfBackRefs[ anObjName ];
+}
+
+QMap<QString,HYDROData_SequenceOfObjects> HYDROGUI_Tool::GetObjectsBackReferences(
+  HYDROGUI_Module*   theModule, const QStringList& theObjectNames )
+{
+  QMap<QString,HYDROData_SequenceOfObjects> aResMap;
+
+  if( theObjectNames.isEmpty() )
+    return aResMap;
+
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( theModule->getStudyId() );
+  if( aDocument.IsNull() )
+    return aResMap;
+
+  HYDROData_Iterator anIterator( aDocument );
   for( ; anIterator.More(); anIterator.Next() )
   {
-    Handle(HYDROData_Image) anImageObj =
-      Handle(HYDROData_Image)::DownCast( anIterator.Current() );
-    if( !anImageObj.IsNull() )
-      theSeq.Append( anImageObj );
+    Handle(HYDROData_Entity) anObject = anIterator.Current();
+    if( anObject.IsNull() || anObject->IsRemoved() )
+      continue;
+
+    QString anObjectName = anObject->GetName();
+    if ( theObjectNames.contains( anObjectName ) )
+      continue;
+
+    HYDROData_SequenceOfObjects aRefObjects = anObject->GetAllReferenceObjects();
+    for ( int i = 1, n = aRefObjects.Length(); i <= n; ++i )
+    {
+      Handle(HYDROData_Entity) aRefObject = aRefObjects.Value( i );
+      if( aRefObject.IsNull() || aRefObject->IsRemoved() )
+        continue;
+
+      QString aRefObjectName = aRefObject->GetName();
+      if ( !theObjectNames.contains( aRefObjectName ) )
+        continue;
+
+      aResMap[ aRefObjectName ].Append( anObject );
+    }
   }
+
+  return aResMap;
 }
 
-HYDROGUI_Prs* HYDROGUI_Tool::GetPresentation( const Handle(HYDROData_Object)& theObj,
-                                              const GraphicsView_ObjectList& theObjects )
+QDockWidget* HYDROGUI_Tool::WindowDock( QWidget* wid )
 {
-  GraphicsView_ObjectListIterator anIter( theObjects );
-  while( anIter.hasNext() )
-    if( HYDROGUI_Prs* aPrs = dynamic_cast<HYDROGUI_Prs*>( anIter.next() ) )
-      if( aPrs->getObject()->Label() == theObj->Label() )
-        return aPrs;
-  return NULL;
+  if ( !wid )
+    return 0;
+
+  QDockWidget* dock = 0;
+  QWidget* w = wid->parentWidget();
+  while ( w && !dock )
+  {
+    dock = ::qobject_cast<QDockWidget*>( w );
+    w = w->parentWidget();
+  }
+  return dock;
+}
+
+QColor HYDROGUI_Tool::GenerateFillingColor( HYDROGUI_Module*   theModule,
+                                            const QStringList& theZoneNames )
+{
+  Handle(HYDROData_Document) aDocument = HYDROData_Document::Document( theModule->getStudyId() );
+  return GenerateFillingColor( aDocument, theZoneNames );
+}
+
+QColor HYDROGUI_Tool::GenerateFillingColor( const Handle(HYDROData_Document)& theDoc,
+                                            const QStringList&                theZoneNames )
+{
+  QColor aFillingColor( HYDROData_ImmersibleZone::DefaultFillingColor() );
+
+  int aCounter = 0;
+  int aR = 0, aG = 0, aB = 0;
+  QStringListIterator aZoneNameIter( theZoneNames );
+  while( aZoneNameIter.hasNext() )
+  {
+    const QString& aZoneName = aZoneNameIter.next();
+    Handle(HYDROData_ImmersibleZone) aRefZone = 
+      Handle(HYDROData_ImmersibleZone)::DownCast(
+        HYDROData_Tool::FindObjectByName( theDoc, aZoneName, KIND_IMMERSIBLE_ZONE ) );
+    if( !aRefZone.IsNull() )
+    {
+      QColor aRefColor = aRefZone->GetFillingColor();
+      aR += aRefColor.red();
+      aG += aRefColor.green();
+      aB += aRefColor.blue();
+      aCounter++;
+    }
+  }
+  
+  if( aCounter > 0 )
+  {
+    aFillingColor = QColor( aR / aCounter, aG / aCounter, aB / aCounter );
+  }
+
+  return aFillingColor;
+}
+
+QStringList HYDROGUI_Tool::FindExistingObjectsNames( const Handle(HYDROData_Document)& theDoc, 
+                                                     const ObjectKind theObjectKind )
+{
+  QStringList aNames;
+
+  HYDROData_Iterator anIter( theDoc, theObjectKind );
+  for ( ; anIter.More(); anIter.Next() ) {
+    Handle(HYDROData_Entity) anObject = anIter.Current();
+    if( !anObject.IsNull() ) {
+      aNames.append( anObject->GetName() );
+    }
+  }
+
+  return aNames;
 }
+
+QString HYDROGUI_Tool::GetCoordinateString( const double theNumber )
+{
+  return QString::number( theNumber, 'f', 2 );
+}
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