// Created: 08 May 2014
// Author: Artem ZHIDKOV
-#ifndef SketchSolver_ConstraintManager_Headerfile
-#define SketchSolver_ConstraintManager_Headerfile
+#ifndef SketchSolver_ConstraintManager_H_
+#define SketchSolver_ConstraintManager_H_
#include "SketchSolver.h"
#include <SketchSolver_Solver.h>
+#include <SketchSolver_ConstraintGroup.h>
#include <Events_Listener.h>
#include <SketchPlugin_Constraint.h>
#include <set>
-// Unknown constraint (for error reporting)
-#define SLVS_C_UNKNOWN 0
-// Unknown entity
-#define SLVS_E_UNKNOWN 0
-
/** \class SketchSolver_ConstraintManager
* \ingroup DataModel
* \brief Listens the changes of SketchPlugin features and transforms the Constraint
void resolveConstraints();
private:
- class SketchSolver_ConstraintGroup;
-
/** \brief Searches list of groups which interact with specified constraint
* \param[in] theConstraint constraint to be found
* \param[out] theGroups list of group indexes interacted with constraint
std::vector<SketchSolver_ConstraintGroup*> myGroups; ///< Groups of constraints
};
-
-/** \class SketchSolver_ConstraintGroup
- * \ingroup DataModel
- * \brief Keeps the group of constraints which based on the same entities
- */
-class SketchSolver_ConstraintManager::SketchSolver_ConstraintGroup
-{
-public:
- /** \brief New group based on specified workplane.
- * Throws an exception if theWorkplane is not an object of SketchPlugin_Sketch type
- * \remark Type of theSketch is not verified inside
- */
- SketchSolver_ConstraintGroup(boost::shared_ptr<SketchPlugin_Feature> theWorkplane);
-
- ~SketchSolver_ConstraintGroup();
-
- /// \brief Returns group's unique identifier
- const Slvs_hGroup& getId() const
- {return myID;}
-
- /** \brief Adds or updates a constraint in the group
- * \param[in] theConstraint constraint to be changed
- * \return \c true if the constraint added or updated successfully
- */
- bool changeConstraint(boost::shared_ptr<SketchPlugin_Constraint> theConstraint);
-
- /** \brief Verifies the constraint uses the objects from this group
- * \param[in] theConstraint constraint for verification of interaction
- * \return \c true if the constrained objects are used in current group
- */
- bool isInteract(boost::shared_ptr<SketchPlugin_Constraint> theConstraint) const;
-
- /** \brief Verifies the specified feature is equal to the base workplane for this group
- * \param[in] theWorkplane the feature to be compared with base workplane
- * \return \c true if workplanes are the same
- */
- bool isBaseWorkplane(boost::shared_ptr<SketchPlugin_Feature> theWorkplane) const;
-
- boost::shared_ptr<SketchPlugin_Feature> getWorkplane() const
- { return mySketch; }
-
- /** \brief Update parameters of workplane. Should be called when Update event is coming.
- * \return \c true if workplane updated successfully, \c false if workplane parameters are not consistent
- */
- bool updateWorkplane();
-
- /** \brief If the entity is in this group it will updated
- * \param[in] theEntity attribute, which values should update SolveSpace entity
- */
- void updateEntityIfPossible(boost::shared_ptr<ModelAPI_Attribute> theEntity);
-
- /** \brief Searches invalid features and constraints in the group and avoids them
- * \return \c true if the group's sketch is invalid and the group should be removed
- */
- bool updateGroup();
-
- /** \brief Add specified group to this one
- * \param[in] theGroup group of constraint to be added
- */
- void mergeGroups(const SketchSolver_ConstraintGroup& theGroup);
-
- /** \brief Start solution procedure if necessary and update attributes of features
- */
- void resolveConstraints();
-
-protected:
- /** \brief Adds or updates an entity in the group
- *
- * The parameters of entity will be parsed and added to the list of SolveSpace parameters.
- * Parameters of certain entity will be placed sequentially in the list.
- *
- * \param[in] theEntity the object of constraint
- * \return identifier of changed entity or 0 if entity could not be changed
- */
- Slvs_hEntity changeEntity(boost::shared_ptr<ModelAPI_Attribute> theEntity);
-
- /** \brief Adds or updates a normal in the group
- *
- * Normal is a special entity in SolveSpace, which defines a direction in 3D and
- * a rotation about this direction. So, SolveSpace represents normals as unit quaternions.
- *
- * To define a normal there should be specified two coordinate axis
- * on the plane transversed to created normal.
- *
- * \param[in] theDirX first coordinate axis of the plane
- * \param[in] theDirY second coordinate axis of the plane
- * \param[in] theNorm attribute for the normal (used to identify newly created entity)
- * \return identifier of created or updated normal
- */
- Slvs_hEntity changeNormal(boost::shared_ptr<ModelAPI_Attribute> theDirX,
- boost::shared_ptr<ModelAPI_Attribute> theDirY,
- boost::shared_ptr<ModelAPI_Attribute> theNorm);
-
- /** \brief Adds or updates a parameter in the group
- * \param[in] theParam the value of parameter
- * \param[in] thePrmIter the cell in the list of parameters which should be changed
- * (the iterator will be increased if it does not reach the end of the list)
- * \return identifier of changed parameter; when the parameter cannot be created, returned ID is 0
- */
- Slvs_hParam changeParameter(const double& theParam,
- std::vector<Slvs_Param>::const_iterator& thePrmIter);
-
- /** \brief Compute constraint type according to SolveSpace identifiers
- * and verify that constraint parameters are correct
- * \param[in] theConstraint constraint which type should be determined
- * \return identifier of constraint type or SLVS_C_UNKNOWN if the type is wrong
- */
- int getConstraintType(const boost::shared_ptr<SketchPlugin_Constraint>& theConstraint) const;
-
- /** \brief Change values of attribute by parameters received from SolveSpace solver
- * \param[in,out] theAttribute pointer to the attribute to be changed
- * \param[in] theEntityID identifier of SolveSpace entity, which contains updated data
- */
- void updateAttribute(boost::shared_ptr<ModelAPI_Attribute> theAttribute, const Slvs_hEntity& theEntityID);
-
- /** \brief Adds a constraint for a point which should not be changed during computations
- * \param[in] theEntity the base for the constraint
- */
- void addTemporaryConstraintWhereDragged(boost::shared_ptr<ModelAPI_Attribute> theEntity);
-
- /** \brief Remove all temporary constraint after computation finished
- */
- void removeTemporaryConstraints();
-
-private:
- /** \brief Creates a workplane from the sketch parameters
- * \param[in] theSketch parameters of workplane are the attributes of this sketch
- * \return \c true if success, \c false if workplane parameters are not consistent
- */
- bool addWorkplane(boost::shared_ptr<SketchPlugin_Feature> theSketch);
-
-private:
- // SolveSpace entities
- Slvs_hGroup myID; ///< the index of the group
- Slvs_Entity myWorkplane; ///< Workplane for the current group
- std::vector<Slvs_Param> myParams; ///< List of parameters of the constraints
- Slvs_hParam myParamMaxID; ///< Actual maximal ID of parameters (not equal to myParams size)
- std::vector<Slvs_Entity> myEntities; ///< List of entities of the constaints
- Slvs_hEntity myEntityMaxID; ///< Actual maximal ID of entities (not equal to myEntities size)
- std::vector<Slvs_Constraint> myConstraints; ///< List of constraints in SolveSpace format
- Slvs_hConstraint myConstrMaxID; ///< Actual maximal ID of constraints (not equal to myConstraints size)
- bool myNeedToSolve; ///< Indicator that something changed in the group and constraint system need to be rebuilt
-
- SketchSolver_Solver myConstrSolver; ///< Solver for set of equations obtained by constraints
-
- // SketchPlugin entities
- boost::shared_ptr<SketchPlugin_Feature> mySketch; ///< Equivalent to workplane
- std::map<boost::shared_ptr<SketchPlugin_Constraint>, Slvs_hConstraint>
- myConstraintMap; ///< The map between SketchPlugin and SolveSpace constraints
- std::list<Slvs_hConstraint> myTempConstraints; ///< The list of identifiers of temporary constraints
- std::map<boost::shared_ptr<ModelAPI_Attribute>, Slvs_hEntity>
- myEntityMap; ///< The map between parameters of constraints and their equivalent SolveSpace entities
-};
-
#endif
