SoCSOSplineEditor.h

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/*************************************************************************************
**
** Copyright 2012, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 

 
#pragma once
 
#include <Inventor/fields/SoSFEnum.h>
 
#include <SoView2DCSOEditor/SoView2DCSOExtensibleEditor/SoCSOLineCreatorEditorExtension.h>
#include <SoView2DCSOEditor/SoView2DCSOExtensibleEditor/CSOPointDensity.h>


class SOCSO_EXPORT SoCSOSplineEditor : public SoCSOLineCreatorEditorExtension, public CSOPointDensity
{
  SO_NODE_HEADER(SoCSOSplineEditor);
 
public:

  SoCSOSplineEditor();

  static void initClass();

  SoSFBool useFreehandMode;
  SoSFEnum doubleClickMode;
  SoSFBool shouldCloseFreehandOnRelease;
 
  void createStartPressAt(const SoPointerPosition& pos) override;
 
  void createNewCSO( const SoPointerPosition& pos );
  void createDragMoveTo(const SoPointerPosition& pos) override;
  bool createEndPress(int clickCount) override;
  void pointerPositionIfAllowedAt(const SoPointerPosition& pos) override;
 
  void selectAndMoveStartPressAt(const SoPointerPosition& pos) override;
  void selectAndMoveDragMoveTo(const SoPointerPosition& pos) override;
  SoPointingAction* selectAndMoveEndPress(int clickCount) override;
 
  void insertSeedPointStartPressAt(const SoPointerPosition& pos) override;
  void insertSeedPointDragMoveTo(const SoPointerPosition& pos) override;
  SoPointingAction* insertSeedPointEndPress(int clickCount) override;
 
  int cursorShape() const override { return _cursorShape; }
 
  bool deleteSeedPoint(ml::CSO* cso, ml::CSOSeedPoint* seedPoint) override;
 
  void cancel() override;
 
protected:
 
  ml::Vector3 getCurrentPositon(const SoPointerPosition& pos);
 
private:
 
  enum CSO_REACT_ON_DOUBLE_CLICK
  {
    CSO_SPLINE_EDITOR_DOUBLE_CLICK_SET_SINGLE_SEED = 0, 
    CSO_SPLINE_EDITOR_DOUBLE_CLICK_SET_DOUBLE_SEEDS,    
    CSO_SPLINE_EDITOR_DOUBLE_CLICK_FINISH,              
    CSO_SPLINE_EDITOR_DOUBLE_CLICK_CLOSE,               
    CSO_SPLINE_EDITOR_DOUBLE_CLICK_FINISH_NO_CLOSE      
  };
 
  void interpolateCSO(ml::CSO* cso);
  bool couldCloseCSO(const SoPointerPosition& pos, ml::CSO* cso);
  void checkCanCloseAndSetCursorShape(const SoPointerPosition& pos, ml::CSO* cso);
  float getFirstLastSeedPointDeviceDistance(const SoPointerPosition& pos, ml::CSO* cso) const;
 
  void createCursorShapeChanged(SoField* field);
 
  SbVec3f           _startPosition;
  SoPointerPosition _startPointerPosition;
  ml::Vector3       _currentPosition;
 
  int _cursorShape;
 
  bool _couldCloseCurrentCSO;
};