CTK/Libs/Core/ctkAbstractObjectFactory.tpp

/*=========================================================================

  Library:   CTK

  Copyright (c) Kitware Inc.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0.txt

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

=========================================================================*/

#ifndef __ctkAbstractObjectFactory_tpp
#define __ctkAbstractObjectFactory_tpp

// CTK includes
#include "ctkAbstractObjectFactory.h"

// QT includes
#include <QDebug>

//----------------------------------------------------------------------------
// ctkFactoryObjectItem methods

//----------------------------------------------------------------------------
template<typename BaseClassType, typename ClassType>
bool ctkFactoryObjectItem<BaseClassType,ClassType>::load()
{
  this->instantiateObjectFunc = &instantiateObject<BaseClassType, ClassType>;
  return true;
}

//----------------------------------------------------------------------------
template<typename BaseClassType, typename ClassType>
BaseClassType* ctkFactoryObjectItem<BaseClassType,ClassType>::instanciator()
{
  return this->instantiateObjectFunc();
}

//----------------------------------------------------------------------------
// ctkAbstractObjectFactory methods

//-----------------------------------------------------------------------------
template<typename BaseClassType>
ctkAbstractObjectFactory<BaseClassType>::ctkAbstractObjectFactory()
:ctkAbstractFactory<BaseClassType>()
{
}

//-----------------------------------------------------------------------------
template<typename BaseClassType>
template<typename ClassType>
bool ctkAbstractObjectFactory<BaseClassType>::registerObject(const QString& key)
{
  QString description = QString("Attempt to register \"%1\"").arg(key);
  if (this->item(key))
    {
    this->displayStatusMessage(QtWarningMsg, description, "Already registered", this->verbose());
    return false;
    }

  if (this->sharedItem(key))
    {
    this->displayStatusMessage(QtDebugMsg, description,
                               "Already registered in other factory", this->verbose());
    return false;
    }
  QSharedPointer<ctkFactoryObjectItem<BaseClassType, ClassType> > objectItem =
    QSharedPointer<ctkFactoryObjectItem<BaseClassType, ClassType> >(
      new ctkFactoryObjectItem<BaseClassType, ClassType>());
  objectItem->setVerbose(this->verbose());
  return this->registerItem(key, objectItem);
}

#endif