+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
// File: SketchSolver_ConstraintManager.h
// 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_Group.h>
+
+#include <Events_Listener.h>
+#include <SketchPlugin_Constraint.h>
+
+#include <string.h>
+#include <slvs.h>
+
+#include <list>
+#include <map>
+#include <vector>
+#include <set>
/** \class SketchSolver_ConstraintManager
- * \ingroup DataModel
- * \brief Transforms the Constraint feature into the format understandable by SolveSpace library.
+ * \ingroup Plugins
+ * \brief Listens the changes of SketchPlugin features and transforms the Constraint
+ * feature into the format understandable by SolveSpace library.
*
- * Constraints created for SolveSpace library will be divided into the groups.
+ * Constraints created for SolveSpace library are divided into the groups.
* The division order based on connectedness of the features by the constraints.
* The groups may be fused or separated according to the new constraints.
+ *
+ * \remark This is a singleton.
*/
-class SketchSolver_ConstraintManager
+class SketchSolver_ConstraintManager : public Events_Listener
{
-private:
- class SketchSolver_ConstraintGroup;
-};
+ public:
+ /** \brief Main method to create constraint manager
+ * \return pointer to the singleton
+ */
+ static SketchSolver_ConstraintManager* Instance();
-class SketchSolver_ConstraintManager::SketchSolver_ConstraintGroup
-{
+ /** \brief Implementation of Event Listener method
+ * \param[in] theMessage the data of the event
+ */
+ virtual void processEvent(const std::shared_ptr<Events_Message>& theMessage);
+
+ protected:
+ SketchSolver_ConstraintManager();
+ ~SketchSolver_ConstraintManager();
+
+ /** \brief Adds or updates a constraint or an entity in the suitable group
+ * \param[in] theFeature sketch feature to be changed
+ * \return \c true if the feature changed successfully
+ */
+ bool changeConstraintOrEntity(std::shared_ptr<SketchPlugin_Feature> theFeature);
+
+ /** \brief Removes a constraint from the manager
+ * \param[in] theConstraint constraint to be removed
+ * \return \c true if the constraint removed successfully
+ */
+ bool removeConstraint(std::shared_ptr<SketchPlugin_Constraint> theConstraint);
+
+ /** \brief Adds or updates a workplane in the manager
+ * \param[in] theSketch the feature to create or update workplane
+ * \return \c true if the workplane changed successfully
+ * \remark Type of theSketch is not verified inside
+ */
+ bool changeWorkplane(CompositeFeaturePtr theSketch);
+
+ /** \brief Removes a workplane from the manager.
+ * All groups based on such workplane will be removed too.
+ * \param[in] theSketch the feature to be removed
+ * \return \c true if the workplane removed successfully
+ */
+ bool removeWorkplane(std::shared_ptr<SketchPlugin_Sketch> theSketch);
+
+ /** \brief Updates entity which is moved in GUI
+ * \param[in] theFeature entity to be updated
+ */
+ void moveEntity(std::shared_ptr<SketchPlugin_Feature> theFeature);
+
+ /** \brief Goes through the list of groups and solve the constraints
+ * \param theForceUpdate flushes the update event in any case: something changed or not
+ */
+ void resolveConstraints(const bool theForceUpdate);
+
+ private:
+ /** \brief Searches list of groups which interact with specified feature
+ * \param[in] theFeature object to be found
+ * \param[out] theGroups list of group indexes interacted with the feature
+ */
+ void findGroups(std::shared_ptr<SketchPlugin_Feature> theFeature,
+ std::set<Slvs_hGroup>& theGroupIDs) const;
+
+ /** \brief Searches in the list of groups the workplane which constains specified feature
+ * \param[in] theFeature object to be found
+ * \return workplane containing the feature
+ */
+ std::shared_ptr<ModelAPI_CompositeFeature> findWorkplane(
+ std::shared_ptr<SketchPlugin_Feature> theFeature) const;
+
+ private:
+ static SketchSolver_ConstraintManager* _self; ///< Self pointer to implement singleton functionality
+ std::vector<SketchSolver_Group*> myGroups; ///< Groups of constraints
+ /// true if computation is performed and all "updates" are generated by this algo
+ /// and needs no recomputation
+ bool myIsComputed;
};
#endif
