text: /******************************************************************************
  *       SOFA, Simulation Open-Framework Architecture, development version     *
  *                (c) 2006-2017 INRIA, USTL, UJF, CNRS, MGH                    *
  *                                                                             *
  * This program 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 program 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 program. If not, see <http://www.gnu.org/licenses/>.        *
  *******************************************************************************
  * Authors: The SOFA Team and external contributors (see Authors.txt)          *
  *                                                                             *
  * Contact information: contact@sofa-framework.org                             *
  ******************************************************************************/
  #ifndef SOFA_COMPONENT_MISC_DEVTENSIONMONITOR_H
  #define SOFA_COMPONENT_MISC_DEVTENSIONMONITOR_H
  #include "config.h"
  
  #include <sofa/helper/vector.h>
  #include <sofa/core/objectmodel/Event.h>
  #include <sofa/simulation/AnimateEndEvent.h>
  #include <SofaValidation/DevMonitor.h>
  #include <sofa/defaulttype/VecTypes.h>
  #include <sofa/core/behavior/MechanicalState.h>
  
  namespace sofa
  {
  
  namespace component
  {
  
  namespace misc
  {
  
  template <class TDataTypes>
  class DevTensionMonitor: public virtual DevMonitor<sofa::defaulttype::Vec1Types>
  {
  public:
      SOFA_CLASS(SOFA_TEMPLATE(DevTensionMonitor,TDataTypes), SOFA_TEMPLATE(DevMonitor,sofa::defaulttype::Vec1Types));
  
      typedef TDataTypes DataTypes;
      typedef typename DataTypes::VecCoord VecCoord;
      typedef typename DataTypes::Coord Coord;
  protected:
      DevTensionMonitor() { };
      virtual ~DevTensionMonitor() { };
  public:
      void init();
      void eval();
  
      /// Pre-construction check method called by ObjectFactory.
      /// Check that DataTypes matches the MechanicalState.
      template<class T>
      static bool canCreate(T*& obj, core::objectmodel::BaseContext* context, core::objectmodel::BaseObjectDescription* arg)
      {
          if (arg->getAttribute("object"))
          {
              if (dynamic_cast<core::behavior::MechanicalState<DataTypes>*>(arg->findObject(arg->getAttribute("object",".."))) == NULL)
                  return false;
          }
          else
          {
              if (dynamic_cast<core::behavior::MechanicalState<DataTypes>*>(context->getMechanicalState()) == NULL)
                  return false;
          }
          return core::objectmodel::BaseObject::canCreate(obj, context, arg);
      }
  
      /// Construction method called by ObjectFactory.
      template<class T>
      static typename T::SPtr create(T* tObj, core::objectmodel::BaseContext* context, core::objectmodel::BaseObjectDescription* arg)
      {
          typename T::SPtr obj = core::objectmodel::BaseObject::create(tObj, context, arg);
  
          if (arg && (arg->getAttribute("object")))
          {
              obj->mstate = dynamic_cast<core::behavior::MechanicalState<DataTypes>*>(arg->findObject(arg->getAttribute("object","..")));
          }
  
          return obj;
      }
  
      virtual std::string getTemplateName() const
      {
          return templateName(this);
      }
  
      static std::string templateName(const DevTensionMonitor<TDataTypes>* = NULL)
      {
          return TDataTypes::Name();
      }
  protected:
  
      core::behavior::MechanicalState<DataTypes> *mstate;
  
  };
  
  
  #if defined(SOFA_EXTERN_TEMPLATE) && !defined(SOFA_COMPONENT_MISC_DEVTENSIONMONITOR_CPP)
  #ifndef SOFA_FLOAT
  extern template class SOFA_VALIDATION_API DevTensionMonitor<defaulttype::Rigid3dTypes>;
  #endif
  #ifndef SOFA_DOUBLE
  extern template class SOFA_VALIDATION_API DevTensionMonitor<defaulttype::Rigid3fTypes>;
  #endif
  #endif
  
  } // namespace misc
  
  } // namespace component
  
  } // namespace sofa
  
  #endif
  