SketchPlugin_Trim.h

// Copyright (C) 2014-2026  CEA, EDF
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
 
#ifndef SketchPlugin_Trim_H_
#define SketchPlugin_Trim_H_
 
#include "SketchPlugin.h"
#include <SketchPlugin_Tools.h>
 
#include <GeomAPI_IPresentable.h>
#include <ModelAPI_IReentrant.h>
#include <SketchPlugin_Sketch.h>
 
class GeomDataAPI_Point2D;
class ModelAPI_Feature;
class ModelAPI_Result;
class ModelAPI_Object;
 
typedef std::pair<std::string, std::shared_ptr<GeomDataAPI_Point2D> > IdToPointPair;
 
class SketchPlugin_Trim : public SketchPlugin_Feature, public GeomAPI_IPresentable,
                          public ModelAPI_IReentrant
{
 public:
  inline static const std::string& ID()
  {
    static const std::string MY_TRIM_ID("SketchTrim");
    return MY_TRIM_ID;
  }
  SKETCHPLUGIN_EXPORT virtual const std::string& getKind()
  {
    static std::string MY_KIND = SketchPlugin_Trim::ID();
    return MY_KIND;
  }
 
  inline static const std::string& SELECTED_OBJECT()
  {
    static const std::string MY_SELECTED_OBJECT("SelectedObject");
    return MY_SELECTED_OBJECT;
  }
 
  inline static const std::string& SELECTED_POINT()
  {
    static const std::string MY_SELECTED_POINT("SelectedPoint");
    return MY_SELECTED_POINT;
  }
 
  inline static const std::string& PREVIEW_OBJECT()
  {
    static const std::string MY_PREVIEW_OBJECT("PreviewObject");
    return MY_PREVIEW_OBJECT;
  }
 
  inline static const std::string& PREVIEW_POINT()
  {
    static const std::string MY_PREVIEW_POINT("PreviewPoint");
    return MY_PREVIEW_POINT;
  }
 
  SKETCHPLUGIN_EXPORT virtual void execute();
 
  SKETCHPLUGIN_EXPORT virtual void initAttributes();
 
  SKETCHPLUGIN_EXPORT virtual bool isMacro() const { return true; }
 
  SKETCHPLUGIN_EXPORT virtual bool isPreviewNeeded() const { return false; }
 
  SketchPlugin_Trim();
 
  SKETCHPLUGIN_EXPORT virtual AISObjectPtr getAISObject(AISObjectPtr thePrevious);
 
  virtual std::string processEvent(const std::shared_ptr<Events_Message>& theMessage);
 
private:
  bool setCoincidenceToAttribute(const AttributePtr& theAttribute,
            const std::set<std::shared_ptr<GeomDataAPI_Point2D> >& theFurtherCoincidences,
            std::set<std::shared_ptr<ModelAPI_Feature>>& theFeaturesToDelete);
  bool moveTangency(const AttributePtr& theAttribute, const FeaturePtr& theFeature);
 
  void getConstraints(std::set<std::shared_ptr<ModelAPI_Feature>>& theFeaturesToDelete,
                      std::set<FeaturePtr>& theFeaturesToUpdate);
 
  void removeReferencesToAttribute(const AttributePtr& theAttribute,
                  std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes);
 
  FeaturePtr trimLine(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
                const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
                std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
                std::set<std::shared_ptr<GeomDataAPI_Point2D> >& thePoints,
                std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes);
 
  FeaturePtr trimArc(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
               const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
               std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
               std::set<std::shared_ptr<GeomDataAPI_Point2D> >& thePoints,
               std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes);
 
  FeaturePtr trimEllipticArc(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
               const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
               std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
               std::set<std::shared_ptr<GeomDataAPI_Point2D> >& thePoints,
               std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes);
 
  FeaturePtr trimClosed(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
                        const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
                        std::set<std::shared_ptr<GeomDataAPI_Point2D> >& thePoints,
                        std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes);
 
  void arrangePointsOnLine(const std::shared_ptr<GeomDataAPI_Point2D>& theStartPointAttr,
                           const std::shared_ptr<GeomDataAPI_Point2D>& theEndPointAttr,
                           std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
                           std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint) const;
 
  void arrangePointsOnArc(const FeaturePtr& theArc,
                          const std::shared_ptr<GeomDataAPI_Point2D>& theStartPointAttr,
                          const std::shared_ptr<GeomDataAPI_Point2D>& theEndPointAttr,
                          std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
                          std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint) const;
 
  void fillAttribute(const AttributePtr& theModifiedAttribute,
                     const AttributePtr& theSourceAttribute);
 
  void fillPointAttribute(const AttributePtr& theModifiedAttribute,
                          const std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
 
private:
  void findShapePoints(const std::string& theObjectAttributeId,
                       const std::string& thePointAttributeId,
                       std::shared_ptr<GeomAPI_Pnt>& aStartPoint,
                       std::shared_ptr<GeomAPI_Pnt>& aLastPoint);
 
  std::shared_ptr<GeomAPI_Pnt2d> convertPoint(const std::shared_ptr<GeomAPI_Pnt>& thePoint);
 
private:
  std::map<std::shared_ptr<ModelAPI_Object>, std::set<GeomShapePtr> > myCashedShapes;
  std::map<std::shared_ptr<ModelAPI_Object>,
           GeomAlgoAPI_ShapeTools::PointToRefsMap> myObjectToPoints;
};
 
#endif