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OCC functionality moving out from the widget
[modules/hydro.git] / src / HYDROCurveCreator / CurveCreator_Curve.cxx
index 8f878e255c33e667919e72b0ec9e898f43efb9e1..25939c148716e0bf549d00a75a4e8cb04a5838e5 100644 (file)
@@ -23,6 +23,7 @@
 #include "CurveCreator_Curve.hxx"
 
 #include "CurveCreator.hxx"
+#include "CurveCreator_PosPoint.hxx"
 #include "CurveCreator_Section.hxx"
 #include "CurveCreator_Displayer.h"
 
@@ -42,6 +43,8 @@
 
 #include <stdio.h>
 
+//#define AIS_CURVE_DISPLAY
+
 //=======================================================================
 // function: Constructor
 // purpose:
@@ -55,6 +58,9 @@ CurveCreator_Curve::CurveCreator_Curve( const CurveCreator::Dimension theDimensi
   myUndoDepth (-1),
   myOpLevel(0)
 {
+#ifdef AIS_CURVE_DISPLAY
+  myAISCurve = new CurveCreator_AISCurve( this );
+#endif
 }
 
 //=======================================================================
@@ -104,6 +110,19 @@ std::string CurveCreator_Curve::getUniqSectionName() const
 void CurveCreator_Curve::setDisplayer( CurveCreator_Displayer* theDisplayer )
 {
   myDisplayer = theDisplayer;
+  
+#ifdef AIS_CURVE_DISPLAY
+  myDisplayer->displayAIS( myAISCurve, false );
+#endif
+}
+
+//=======================================================================
+// function: getDisplayer
+// purpose: get curve changes Displayer
+//=======================================================================
+CurveCreator_Displayer* CurveCreator_Curve::getDisplayer()
+{
+  return myDisplayer;
 }
 
 //=======================================================================
@@ -342,8 +361,73 @@ void CurveCreator_Curve::getCoordinates( int theISection, int theIPoint, double&
 void CurveCreator_Curve::redisplayCurve()
 {
   if( myDisplayer ) {
-    myDisplayer->erase();
-    myDisplayer->display( constructWire() );
+#ifdef AIS_CURVE_DISPLAY
+    myDisplayer->redisplayAIS(myAISCurve, false);
+#else
+    myDisplayer->erase( false );
+    myDisplayer->display( constructWire(), true );
+#endif
+  }
+}
+
+//! For internal use only! Undo/Redo are not used here.
+bool CurveCreator_Curve::moveSectionInternal(const int theISection,
+                                             const int theNewIndex)
+{
+  bool res = false;
+  if (theISection != theNewIndex) {
+    CurveCreator_Section *aSection = mySections.at(theISection);
+
+    // Remove section
+    CurveCreator::Sections::iterator anIter = mySections.begin() + theISection;
+
+    mySections.erase(anIter);
+
+    // Insert section.
+    anIter = mySections.begin() + theNewIndex;
+    mySections.insert(anIter, aSection);
+    res = true;
+  }
+  return res;
+}
+
+//=======================================================================
+// function: moveSection
+// purpose:
+//=======================================================================
+bool CurveCreator_Curve::moveSection(const int theISection,
+                                     const int theNewIndex)
+{
+  bool res = false;
+  // Set the difference.
+  startOperation();
+  if (addEmptyDiff()) {
+    myListDiffs.back().init(this, CurveCreator_Operation::MoveSection,
+                            theISection, theNewIndex);
+  }
+
+  // Update the curve.
+  res = moveSectionInternal(theISection, theNewIndex);
+  finishOperation();
+  return res;
+}
+
+void CurveCreator_Curve::convert( const SectionToPointList& thePoints,
+                                  std::map< int, std::list<int> >& theConvPoints )
+{
+  theConvPoints.clear();
+
+  SectionToPointList::const_iterator anIt = thePoints.begin(), aLast = thePoints.end();
+  std::list<int> aPoints;
+  int aSectionId, aPointId;
+  for ( ; anIt != aLast; anIt++ ) {
+    aSectionId = anIt->first;
+    aPointId = anIt->second;
+    aPoints.clear();
+    if ( theConvPoints.find( aSectionId ) != theConvPoints.end() )
+      aPoints = theConvPoints[aSectionId];
+    aPoints.push_back( aPointId );
+    theConvPoints[aSectionId] = aPoints;
   }
 }
 
@@ -396,15 +480,12 @@ bool CurveCreator_Curve::redo()
 /***********************************************/
 /***           Section methods               ***/
 /***********************************************/
-//=======================================================================
-// function: clear
-// purpose:
-//=======================================================================
-bool CurveCreator_Curve::clear()
+//! For internal use only! Undo/Redo are not used here.
+bool CurveCreator_Curve::clearInternal()
 {
   // erase curve from the viewer
   if( myDisplayer )
-    myDisplayer->erase();
+    myDisplayer->erase( true );
   // Delete all allocated data.
   int i = 0;
   const int aNbSections = getNbSections();
@@ -418,29 +499,56 @@ bool CurveCreator_Curve::clear()
   return true;
 }
 
-//! Join range of sections to one section (join all sections if -1 is passed in one of arguments)
+//=======================================================================
+// function: clear
+// purpose:
+//=======================================================================
+bool CurveCreator_Curve::clear()
+{
+  bool res = false;
+  startOperation();
+  // Set the difference.
+  if (addEmptyDiff()) {
+    myListDiffs.back().init(this, CurveCreator_Operation::Clear);
+  }
+  res = clearInternal();
+  finishOperation();
+  return res;
+}
+
+//! For internal use only! Undo/Redo are not used here.
+bool CurveCreator_Curve::joinInternal( const int theISectionTo, 
+                                       const int theISectionFrom )
+{
+  bool res = false;
+  CurveCreator_Section *aSection1 = mySections.at(theISectionTo);
+  CurveCreator_Section *aSection2 = mySections.at(theISectionFrom);
+
+  aSection1->myPoints.insert(aSection1->myPoints.end(),
+                             aSection2->myPoints.begin(), 
+                             aSection2->myPoints.end());
+
+  res = removeSection(theISectionFrom);
+  redisplayCurve();
+  return res;
+}
+
+//! Join range of sections to one section (join all sections if -1 is passed in theISectionFrom argument)
 bool CurveCreator_Curve::join( const int theISectionTo, 
-                   const int theISectionFrom )
+                               const int theISectionFrom )
 {
-  if (theISectionTo != theISectionFrom) {
+  //TODO
+  bool res = false;
+  if ( theISectionTo != theISectionFrom ) {
     startOperation();
     if (addEmptyDiff())
       myListDiffs.back().init(this, CurveCreator_Operation::Join, theISectionTo, theISectionFrom);
 
-    CurveCreator_Section *aSection1 = mySections.at(theISectionTo);
-    CurveCreator_Section *aSection2 = mySections.at(theISectionFrom);
-
-    aSection1->myPoints.insert(aSection1->myPoints.end(),
-                               aSection2->myPoints.begin(), 
-                               aSection2->myPoints.end());
-
-    removeSection(theISectionFrom);
-    redisplayCurve();
+    res = joinInternal( theISectionTo, theISectionFrom );
 
     finishOperation();
-    return true;
   }
-  return false;
+  return res;
 }
 
 //! Get number of sections
@@ -449,6 +557,26 @@ int CurveCreator_Curve::getNbSections() const
   return mySections.size();
 }
 
+//! For internal use only! Undo/Redo are not used here.
+int CurveCreator_Curve::addSectionInternal
+        (const std::string& theName, const CurveCreator::SectionType theType,
+         const bool theIsClosed, const CurveCreator::Coordinates &thePoints)
+{
+  CurveCreator_Section *aSection = new CurveCreator_Section;
+
+  std::string aName = theName;
+  if( aName.empty() ){
+      aName = getUniqSectionName();
+  }
+  aSection->myName     = aName;
+  aSection->myType     = theType;
+  aSection->myIsClosed = theIsClosed;
+  aSection->myPoints   = thePoints;
+  mySections.push_back(aSection);
+  redisplayCurve();
+  return mySections.size()-1;
+}
+
 //=======================================================================
 // function: addSection
 // purpose: adds an empty section
@@ -460,25 +588,16 @@ int CurveCreator_Curve::addSection
   int resISection = -1;
   // Set the difference.
   startOperation();
+  CurveCreator::Coordinates aCoords; //empty list
   if (addEmptyDiff()) {
-    CurveCreator::Coordinates aCoords; //empty list
     myListDiffs.back().init(this, CurveCreator_Operation::AddSection,
                             theName, aCoords, theType, theIsClosed);
   }
-  CurveCreator_Section *aSection = new CurveCreator_Section;
 
-  std::string aName = theName;
-  if( aName.empty() ){
-      aName = getUniqSectionName();
-  }
-  aSection->myName     = aName;
-  aSection->myType     = theType;
-  aSection->myIsClosed = theIsClosed;
-  mySections.push_back(aSection);
-  redisplayCurve();
+  resISection = addSectionInternal(theName, theType, theIsClosed, aCoords);
 
   finishOperation();
-  return mySections.size()-1;
+  return resISection;
 }
 //=======================================================================
 // function: addSection
@@ -489,33 +608,22 @@ int CurveCreator_Curve::addSection
          const bool theIsClosed, const CurveCreator::Coordinates &thePoints)
 {
   int resISection = -1;
-  //// Set the difference.
-  //startOperation();
-  //if (addEmptyDiff()) {
-  //  myListDiffs.back().init(this, CurveCreator_Operation::AddSection,
-  //                          theName, thePoints, theType, theIsClosed);
-  //}
-
-  // create an empty section
-  resISection = addSection(theName, theType, theIsClosed);
-  if( resISection != -1 ) {
-    // attach the given points to created section
-    CurveCreator_Section *aSection = mySections.at(resISection);
-    aSection->myPoints = thePoints;
+  // Set the difference.
+  startOperation();
+  if (addEmptyDiff()) {
+    myListDiffs.back().init(this, CurveCreator_Operation::AddSection,
+                            theName, thePoints, theType, theIsClosed);
   }
-  
-  //finishOperation();
+
+  resISection = addSectionInternal(theName, theType, theIsClosed, thePoints);
+
+  finishOperation();
   return resISection;
 }
 
-//! Removes the given sections.
-bool CurveCreator_Curve::removeSection( const int theISection )
+//! For internal use only! Undo/Redo are not used here.
+bool CurveCreator_Curve::removeSectionInternal( const int theISection )
 {
-  // Set the difference.
-  startOperation();
-  if (addEmptyDiff())
-    myListDiffs.back().init(this, CurveCreator_Operation::RemoveSection, theISection);
-
   if (theISection == -1) {
     delete mySections.back();
     mySections.pop_back();
@@ -526,9 +634,22 @@ bool CurveCreator_Curve::removeSection( const int theISection )
     mySections.erase(anIterRm);
   }
   redisplayCurve();
+  return true;
+}
+  
+//! Removes the given sections.
+bool CurveCreator_Curve::removeSection( const int theISection )
+{
+  bool res = false;
+  // Set the difference.
+  startOperation();
+  if (addEmptyDiff())
+    myListDiffs.back().init(this, CurveCreator_Operation::RemoveSection, theISection);
+
+  res = removeSectionInternal( theISection );
 
   finishOperation();
-  return true;
+  return res;
 }
 
 /**
@@ -547,7 +668,8 @@ int CurveCreator_Curve::getNbPoints( const int theISection ) const
       aNbCoords += mySections[i]->myPoints.size();
     }
   } else {
-    aNbCoords = mySections.at(theISection)->myPoints.size();
+    if ( ( theISection >= 0 ) && ( theISection < mySections.size() ) )
+      aNbCoords = mySections.at(theISection)->myPoints.size();
   }
 
   return aNbCoords/myDimension;
@@ -559,12 +681,9 @@ bool CurveCreator_Curve::isClosed( const int theISection ) const
   return mySections.at(theISection)->myIsClosed;
 }
 
-/**
- *  Set "closed" flag of the specified section (all sections if
- *  \a theISection is -1).
- */
-bool CurveCreator_Curve::setClosed( const int theISection, 
-                        const bool theIsClosed )
+//! For internal use only! Undo/Redo are not used here.
+bool CurveCreator_Curve::setClosedInternal( const int theISection, 
+                                            const bool theIsClosed )
 {
   if (theISection == -1) {
     int aSize = mySections.size();
@@ -581,7 +700,26 @@ bool CurveCreator_Curve::setClosed( const int theISection,
   return true;
 }
 
-//! Returns specifyed section name
+/**
+ *  Set "closed" flag of the specified section (all sections if
+ *  \a theISection is -1).
+ */
+bool CurveCreator_Curve::setClosed( const int theISection, 
+                                    const bool theIsClosed )
+{
+  bool res = false;
+  // Set the difference.
+  startOperation();
+  if (addEmptyDiff()) {
+    myListDiffs.back().init(this, CurveCreator_Operation::SetClosed,
+                            theIsClosed, theISection);
+  }
+  res = setClosedInternal( theISection, theIsClosed );
+  finishOperation();
+  return res;
+}
+
+//! Returns specified section name
 std::string CurveCreator_Curve::getSectionName( const int theISection ) const
 {
   if( ( theISection >= 0 ) && ( theISection < mySections.size() ))
@@ -589,15 +727,32 @@ std::string CurveCreator_Curve::getSectionName( const int theISection ) const
   return "";
 }
 
-/** Set name of the specified section */
-bool CurveCreator_Curve::setSectionName
-  ( const int theISection, const std::string& theName )
+//! For internal use only! Undo/Redo are not used here.
+bool CurveCreator_Curve::setSectionNameInternal( const int theISection, 
+                                                 const std::string& theName )
 {
+  bool res = false;
   if( ( theISection >= 0 ) && ( theISection < mySections.size() )){
     mySections.at(theISection)->myName = theName;
-    return true;
+    res = true;
+  }
+  return res;
+}
+
+/** Set name of the specified section */
+bool CurveCreator_Curve::setSectionName( const int theISection, 
+                                         const std::string& theName )
+{
+  bool res = false;
+  // Set the difference.
+  startOperation();
+  if (addEmptyDiff()) {
+    myListDiffs.back().init(this, CurveCreator_Operation::RenameSection,
+                            theName, theISection);
   }
-  return false;
+  res = setSectionNameInternal( theISection, theName );
+  finishOperation();
+  return res;
 }
 
 //! Get type of the specified section
@@ -607,12 +762,9 @@ CurveCreator::SectionType CurveCreator_Curve::getSectionType
   return mySections.at(theISection)->myType;
 }
 
-/**
- *  Set type of the specified section (or all sections
- *  if \a theISection is -1).
- */
-bool CurveCreator_Curve::setSectionType( const int theISection, 
-                                         const CurveCreator::SectionType theType )
+//! For internal use only! Undo/Redo are not used here.
+bool CurveCreator_Curve::setSectionTypeInternal( const int theISection, 
+                                                 const CurveCreator::SectionType theType )
 {
   if (theISection == -1) {
     int i = 0;
@@ -631,11 +783,65 @@ bool CurveCreator_Curve::setSectionType( const int theISection,
   return true;
 }
 
+/**
+ *  Set type of the specified section (or all sections
+ *  if \a theISection is -1).
+ */
+bool CurveCreator_Curve::setSectionType( const int theISection, 
+                                         const CurveCreator::SectionType theType )
+{
+  bool res = false;
+  startOperation();
+  // Set the difference.
+  if (addEmptyDiff()) {
+    myListDiffs.back().init(this, CurveCreator_Operation::SetType,
+                            theType, theISection);
+  }
+
+  res = setSectionTypeInternal( theISection, theType );
+
+  finishOperation();
+  return res;
+}
+
 
 /***********************************************/
 /***           Point methods                 ***/
 /***********************************************/
 
+//! For internal use only! Undo/Redo are not used here.
+bool CurveCreator_Curve::addPointsInternal( const CurveCreator::SectionsMap &theSectionsMap )
+{
+  bool res = false;
+  CurveCreator::SectionsMap::const_iterator anIt = theSectionsMap.begin();
+  CurveCreator_Section *aSection = 0;
+  for ( ; anIt != theSectionsMap.end(); anIt++ ) {
+    int anISection = anIt->first;
+    aSection = mySections.at(anISection);
+    if( aSection ) {
+      CurveCreator::PosPointsList aSectionPoints = anIt->second;
+      CurveCreator::PosPointsList::const_iterator aPntIt = aSectionPoints.begin();
+      for( ; aPntIt != aSectionPoints.end(); aPntIt++ ){
+        int anIPnt = (*aPntIt)->myID;
+        CurveCreator::Coordinates aCoords = (*aPntIt)->myCoords;
+        CurveCreator::Coordinates::iterator anIterPosition;
+        if(anIPnt == -1)
+          anIterPosition = aSection->myPoints.end();
+        else
+          anIterPosition = aSection->myPoints.begin() + toICoord(anIPnt);
+        CurveCreator::Coordinates::const_iterator aFirstPosition = 
+          aCoords.begin();
+        aSection->myPoints.insert(anIterPosition,
+                                  aCoords.begin(), aCoords.end());
+      }
+      res = true;
+    }
+  }
+  if(res)
+    redisplayCurve();
+  return res;
+}
+
 /**
  *  Add one point to the specified section starting from the given theIPnt index
  *  (or at the end of points if \a theIPnt is -1).
@@ -649,57 +855,147 @@ bool CurveCreator_Curve::addPoints( const CurveCreator::Coordinates& theCoords,
   // Set the difference.
   startOperation();
   if (addEmptyDiff()) {
-    myListDiffs.back().init(this, CurveCreator_Operation::AddPoints,
-                            theCoords, theISection);
-  }
-  CurveCreator_Section *aSection =
-    (theISection == -1 ? mySections.back() : mySections.at(theISection));
-
-  if( aSection ) {
-    int anICoord = ( theIPnt == -1 ? 0 : toICoord(theIPnt) );
-    CurveCreator::Coordinates::iterator anIterPosition = aSection->myPoints.end();
-    if( theIPnt != -1 )
-      anIterPosition = aSection->myPoints.begin() + toICoord(theIPnt);
-    aSection->myPoints.insert(anIterPosition,
-                              theCoords.begin(), theCoords.end());
-    redisplayCurve();
-    res = true;
+    CurveCreator_ICurve::SectionToPointCoordsList aList;
+    aList.push_back(std::make_pair(std::make_pair(theISection, theIPnt), theCoords));
+    myListDiffs.back().init(this, CurveCreator_Operation::InsertPoints,
+                            aList);
   }
+  CurveCreator::SectionsMap aSectionsMap;
+  CurveCreator::PosPointsList aPoints;
+  CurveCreator_PosPoint* aPosPoint = new CurveCreator_PosPoint( theIPnt, theCoords );
+  aPoints.push_back( aPosPoint );
+  aSectionsMap[theISection] = aPoints;
+
+  res = addPointsInternal( aSectionsMap );
+
   finishOperation();
   return res;
 }
 
-   //! Set coordinates of specified point
+//! For internal use only! Undo/Redo are not used here.
+bool CurveCreator_Curve::setPointInternal( const CurveCreator::SectionsMap &theSectionsMap )
+{
+  bool res = false;
+  // Update the curve.
+  CurveCreator::SectionsMap::const_iterator anIt = theSectionsMap.begin();
+  CurveCreator_Section *aSection = 0;
+  for ( ; anIt != theSectionsMap.end(); anIt++ ) {
+    int anISection = anIt->first;
+    aSection = mySections.at(anISection);
+    if( aSection ) { 
+      CurveCreator::PosPointsList aSectionPoints = anIt->second;
+      CurveCreator::PosPointsList::const_iterator aPntIt = aSectionPoints.begin();
+      for( ; aPntIt != aSectionPoints.end(); aPntIt++ ){
+        int anIPnt = (*aPntIt)->myID;
+        CurveCreator::Coordinates aCoords = (*aPntIt)->myCoords;
+        for ( int i = 0; i < myDimension; i++)
+          aSection->myPoints.at(toICoord(anIPnt) + i) = aCoords[i];
+      }
+      res = true;
+    }
+  }
+  if(res)
+    redisplayCurve();
+  
+  return res;
+}
+
+//! Set coordinates of specified point
 bool CurveCreator_Curve::setPoint( const int theISection,
                                    const int theIPnt,
                                    const CurveCreator::Coordinates& theNewCoords )
 {
+  bool res = false;
   // Set the difference.
   startOperation();
   if (addEmptyDiff()) {
+    CurveCreator_ICurve::SectionToPointCoordsList aList;
+    aList.push_back(std::make_pair(std::make_pair(theISection, theIPnt), theNewCoords));
     myListDiffs.back().init(this, CurveCreator_Operation::SetCoordinates,
-                            theNewCoords, theISection, theIPnt);
+                            aList);
   }
+  CurveCreator::SectionsMap aSectionsMap;
+  CurveCreator::PosPointsList aPoints;
+  CurveCreator_PosPoint* aPosPoint = new CurveCreator_PosPoint( theIPnt, theNewCoords );
+  aPoints.push_back( aPosPoint );
+  aSectionsMap[theISection] = aPoints;
 
-  bool res = false;
+  int aSize1 = getNbPoints( theISection );
+  res = setPointInternal( aSectionsMap );
+  int aSize2 = getNbPoints( theISection );
 
-  // Update the curve.
-  if (theNewCoords.size() == myDimension) {
-    CurveCreator_Section *aSection = mySections.at(theISection);
-    int i;
-    for (i = 0; i < myDimension; i++) {
-      aSection->myPoints.at(toICoord(theIPnt) + i) = theNewCoords[i];
-    }
-    redisplayCurve();
+  finishOperation();
+
+  return res; 
+}
+
+//! Set coordinates of specified points from different sections
+bool CurveCreator_Curve::setSeveralPoints( const SectionToPointCoordsList &theSectionToPntCoords)
+{
+  bool res = false;
+  // Set the difference.
+  startOperation();
+  if (addEmptyDiff()) {
+    myListDiffs.back().init(this, CurveCreator_Operation::SetCoordinates,
+                            theSectionToPntCoords);
+  }
+  CurveCreator::SectionsMap aSectionsMap;
+  CurveCreator::PosPointsList aPosPoints;
+  CurveCreator_ICurve::SectionToPointCoordsList::const_iterator anIt = 
+    theSectionToPntCoords.begin(), aLast = theSectionToPntCoords.end();
+  int aSectionId, aPointId;
+  for ( ; anIt != aLast; anIt++ ) {
+    aPosPoints.clear();
+    aSectionId = anIt->first.first;
+    aPointId = anIt->first.second;
+    CurveCreator::Coordinates aNewCoords = anIt->second;
+    CurveCreator_PosPoint* aPosPoint = 
+      new CurveCreator_PosPoint( aPointId, aNewCoords );
+    if( aSectionsMap.find(aSectionId) != aSectionsMap.end() )
+      aPosPoints = aSectionsMap[aSectionId];
+    aPosPoints.push_back( aPosPoint );
+    aSectionsMap[aSectionId] = aPosPoints;
     
-    res = true;
   }
-
+  res = setPointInternal( aSectionsMap );
   finishOperation();
 
   return res; 
 }
 
+//! For internal use only! Undo/Redo are not used here.
+bool CurveCreator_Curve::removePointsInternal( const SectionToPointList &thePoints )
+{
+  bool res = false;
+  std::map<int, std::list<int> > aConvPoints;
+  convert( thePoints, aConvPoints );
+  std::map<int, std::list<int> >::const_iterator anIt = aConvPoints.begin(),
+                                          aLast = aConvPoints.end();
+  CurveCreator_Section *aSection = 0;
+  for ( ; anIt != aLast; anIt++ ) {
+    int aSectionId = anIt->first;
+    aSection = mySections.at(aSectionId);
+    if( aSection ) {
+      std::list<int> aSectionPoints = anIt->second;
+      aSectionPoints.sort();
+      std::list<int>::const_reverse_iterator aPntIt = aSectionPoints.rbegin();
+      for( ; aPntIt != aSectionPoints.rend(); aPntIt++ ){
+        int aPntIndx = *aPntIt;
+        CurveCreator::Coordinates::iterator aFirstPosition;
+        if(aPntIndx == -1)
+          aFirstPosition = aSection->myPoints.end() - getDimension();
+        else
+          aFirstPosition = aSection->myPoints.begin() + toICoord(aPntIndx);
+        aSection->myPoints.erase( aFirstPosition, aFirstPosition + getDimension() );
+        res = true;
+      }
+    }
+  }
+  if(res)
+    redisplayCurve();
+  return res;
+}
+
 //! Remove point with given id
 bool CurveCreator_Curve::removePoint( const int theISection, const int theIPnt )
 {
@@ -708,21 +1004,31 @@ bool CurveCreator_Curve::removePoint( const int theISection, const int theIPnt )
   startOperation();
   if (addEmptyDiff()) {
     myListDiffs.back().init(this, CurveCreator_Operation::RemovePoints,
-                            theISection, theIPnt, 0);
+                            theISection, theIPnt);
   }
-  CurveCreator_Section *aSection = mySections.at(theISection);
-  if( aSection ) {
-    CurveCreator::Coordinates::iterator anIterPosition =
-      aSection->myPoints.begin() + toICoord(theIPnt);
-    aSection->myPoints.erase( anIterPosition );
-    redisplayCurve();
-    res = true;
+  SectionToPointList aListOfSectionsToPoints;
+  aListOfSectionsToPoints.push_back(std::make_pair(theISection, theIPnt));
+  res = removePointsInternal( aListOfSectionsToPoints );
+  finishOperation();
+  return res;
+}
+
+//! Remove several points from different sections with given ids
+bool CurveCreator_Curve::removeSeveralPoints( const SectionToPointList &theSectionToPntIDs)
+{
+  bool res = false;
+  // Set the difference.
+  startOperation();
+  if (addEmptyDiff()) {
+    myListDiffs.back().init(this, CurveCreator_Operation::RemovePoints,
+                            theSectionToPntIDs);
   }
+  res = removePointsInternal( theSectionToPntIDs );
   finishOperation();
   return res;
 }
 
-//=======================================================================
+  //=======================================================================
 // function: getCoordinates
 // purpose:
 //=======================================================================
@@ -743,7 +1049,12 @@ CurveCreator::Coordinates CurveCreator_Curve::getPoint( const int theISection,
 //=======================================================================
 CurveCreator::Coordinates CurveCreator_Curve::getPoints( const int theISection ) const
 {
-  return mySections.at(theISection)->myPoints;
+  CurveCreator::Coordinates aCoords;
+  if ( ( theISection >= 0 ) && ( theISection < mySections.size() ) )
+  {
+    aCoords = mySections.at(theISection)->myPoints;
+  }
+  return aCoords;
 }