/*
 * Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * 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
 *
 * 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 otbObjectList_txx
#define otbObjectList_txx

#include "otbObjectList.h"
#include "itkMacro.h"

namespace otb
{
/**
 * Constructor
 */
template <class TObject>
ObjectList<TObject>
::ObjectList()
{}
/**
 * Set the minimum capacity of the vector.
 * \param size Size of the vector to reserve.
 */
template <class TObject>
void
ObjectList<TObject>
::Reserve(InternalContainerSizeType size)
{
  m_InternalContainer.reserve(size);
}
/**
 * Get the capacity of the vector.
 * \return The capacity of the vector.
 */
template <class TObject>
typename ObjectList<TObject>::InternalContainerSizeType
ObjectList<TObject>
::Capacity(void) const
{
  return m_InternalContainer.capacity();
}
/**
 * Get the number of elements in the vector.
 * \return The number of elements in the vector.
 */
template <class TObject>
typename ObjectList<TObject>::InternalContainerSizeType
ObjectList<TObject>
::Size(void) const
{
  return m_InternalContainer.size();
}
/**
 * Resize the maximal list capacity.
 * \param size The new maximal size of the list.
 */
template <class TObject>
void
ObjectList<TObject>
::Resize(InternalContainerSizeType size)
{
  m_InternalContainer.resize(size);
}
/**
 * Append an element to the list.
 * \param element Pointer to the element to append.
 */
template <class TObject>
void
ObjectList<TObject>
::PushBack(ObjectType* element)
{
  m_InternalContainer.push_back(element);
  this->Modified();
}

/**
 * Delete the last element to the list.
 */
template <class TObject>
void
ObjectList<TObject>
::PopBack(void)
{
  if (m_InternalContainer.size() > 0)
    {
    m_InternalContainer.pop_back();
    this->Modified();
    }
}

/**
 * Set the nth element of the list.
 * \param index The index where to put the element.
 * \param element Pointer to the element to set.
 */
template <class TObject>
void
ObjectList<TObject>
::SetNthElement(unsigned int index, ObjectPointerType element)
{
  if (index >= m_InternalContainer.size())
    {
    itkExceptionMacro(
      << "Impossible to SetNthElement with the index element " << index <<
      "; this element don't exist, the size of the list is " << m_InternalContainer.size() << ".");
    }
  m_InternalContainer[index] = element;
  this->Modified();
}
/**
 * Set the nth element of the list.
 * \param index The index where to put the element.
 * \param element Pointer to the element to set.
 */
template <class TObject>
void
ObjectList<TObject>
::SetNthElement(unsigned int index, const ObjectType * element)
{
  if (index >= m_InternalContainer.size())
    {
    itkExceptionMacro(
      << "Impossible to SetNthElement with the index element " << index <<
      "; this element don't exist, the size of the list is " << m_InternalContainer.size() << ".");
    }
  m_InternalContainer[index] = const_cast<ObjectType*>(element);
  this->Modified();
}

/**
 * Get the nth element of the list.
 * \param index The index of the object to get.
 * \return The pointer to the nth element of the list.
 */
template <class TObject>
typename ObjectList<TObject>::ObjectPointerType
ObjectList<TObject>
::GetNthElement(unsigned int index) const
{
  if (index >= m_InternalContainer.size())
    {
    itkExceptionMacro(
      << "Impossible to GetNthElement with the index element " << index <<
      "; this element don't exist, the size of the list is " << m_InternalContainer.size() << ".");
    }
  return m_InternalContainer[index];
}

template <class TObject>
typename ObjectList<TObject>::Superclass *
ObjectList<TObject>
::GetNthDataObject(unsigned int index) const
{
  
  return dynamic_cast<itk::DataObject *> ( GetNthElement(index).GetPointer() );
}

/**
   * Return the first element of the list.
   * \return The first element of the list.
   */

template <class TObject>
typename ObjectList<TObject>::ObjectPointerType
ObjectList<TObject>
::Front(void)
{
  return m_InternalContainer.front();
}
/**
 * Return the last element of the list.
 * \return The last element of the list.
 */
template <class TObject>
typename ObjectList<TObject>::ObjectPointerType
ObjectList<TObject>
::Back(void)
{
  return m_InternalContainer.back();
}
/**
 * Erase the nth element in the list.
 * \param index The index of the element to erase.
 */
template <class TObject>
void
ObjectList<TObject>
::Erase(unsigned int index)
{
  if (index >= m_InternalContainer.size())
    {
    itkExceptionMacro(
      << "Impossible to erase the index element " << index << "; the size of the list is " <<
      m_InternalContainer.size() << ".");
    }
  m_InternalContainer.erase(m_InternalContainer.begin() + index);
  this->Modified();
}
/**
 * Clear the object list.
 */
template <class TObject>
void
ObjectList<TObject>
::Clear(void)
{
  m_InternalContainer.clear();
  this->Modified();
}

/**
 * Insert an element
 */
template <class TObject>
typename ObjectList<TObject>::Iterator
ObjectList<TObject>
::Insert(Iterator position, ObjectPointerType element)
{
  Iterator iter(m_InternalContainer.insert(position.GetIter(), element));
  this->Modified();
  return iter;
}

/**
 * Insert an element
 */
template <class TObject>
typename ObjectList<TObject>::ReverseIterator
ObjectList<TObject>
::Insert(ReverseIterator position, ObjectPointerType element)
{
  ReverseIterator iter(
    InternalContainerType::reverse_iterator(
      m_InternalContainer.insert(position.GetIter().base(), element)
      )
    );
  this->Modified();
  return iter;
}

/**
 * Get an Iterator that points to the beginning of the container.
 * \return The iterator.
 */
template <class TObject>
typename ObjectList<TObject>::Iterator
ObjectList<TObject>
::Begin(void)
{
  Iterator iter(m_InternalContainer.begin());
  return iter;
}
/**
 * Get a ConstIterator that points to the beginning of the container.
 * \return The iterator.
 */
template <class TObject>
typename ObjectList<TObject>::ConstIterator
ObjectList<TObject>
::Begin(void) const
{
  ConstIterator iter(m_InternalContainer.begin());
  return iter;
}
/**
 * Get a ReverseIterator that points to the reverse beginning of the container.
 * \return The iterator.
 */
template <class TObject>
typename ObjectList<TObject>::ReverseIterator
ObjectList<TObject>
::ReverseBegin(void)
{
  ReverseIterator iter(m_InternalContainer.rbegin());
  return iter;
}
/**
 * Get a ReverseConstIterator that points to the reverse beginning of the container.
 * \return The iterator.
 */
template <class TObject>
typename ObjectList<TObject>::ReverseConstIterator
ObjectList<TObject>
::ReverseBegin(void) const
{
  ReverseConstIterator iter(m_InternalContainer.rbegin());
  return iter;
}
/**
 * Get an Iterator that points past-the-end of the container.
 * \return The iterator.
 */
template <class TObject>
typename ObjectList<TObject>::Iterator
ObjectList<TObject>
::End(void)
{
  Iterator iter(m_InternalContainer.end());
  return iter;
}
/**
 * Get a ConstIterator that points past-the-end of the container.
 * \return The iterator.
 */
template <class TObject>
typename ObjectList<TObject>::ConstIterator
ObjectList<TObject>
::End(void) const
{
  ConstIterator iter(m_InternalContainer.end());
  return iter;
}
/**
 * Get a ReverseIterator that points to the reverse past-the-end of the container.
 * \return The iterator.
 */
template <class TObject>
typename ObjectList<TObject>::ReverseIterator
ObjectList<TObject>
::ReverseEnd(void)
{
  ReverseIterator iter(m_InternalContainer.rend());
  return iter;
}
/**
 * Get a ReverseConstIterator that points to the reverse past-the-end of the container.
 * \return The iterator.
 */
template <class TObject>
typename ObjectList<TObject>::ReverseConstIterator
ObjectList<TObject>
::ReverseEnd(void) const
{
  ReverseConstIterator iter(m_InternalContainer.rend());
  return iter;
}
/**
 * Erase elements from begin to last.
 * \param begin Iterator pointing on first object to erase.
 * \param end Iterator pointing past the last object to erase.
 */
template <class TObject>
void
ObjectList<TObject>
::Erase(Iterator begin, Iterator end)
{
  m_InternalContainer.erase(begin.GetIter(), end.GetIter());
  this->Modified();
}
/**
 * Erase loc element.
 * \param loc Iterator pointing on object to erase.
 */
template <class TObject>
void
ObjectList<TObject>
::Erase(Iterator loc)
{
  m_InternalContainer.erase(loc.GetIter());
  this->Modified();
}

/**PrintSelf method */
template <class TObject>
void
ObjectList<TObject>
::PrintSelf(std::ostream& os, itk::Indent indent) const
{
  Superclass::PrintSelf(os, indent);
  os << indent << "Size: " << m_InternalContainer.size() << std::endl;
  os << indent << "List contains : " << std::endl;
  ConstIterator iter = this->Begin();
  while (iter != this->End())
    {
    os << indent.GetNextIndent() << iter.Get().GetPointer() << std::endl;
    os << indent.GetNextIndent() << iter.Get() << std::endl;
//                iter.Get()->PrintSelf(os, indent.GetNextIndent());
//                iter.Get()->Print(os, indent.GetNextIndent());
    ++iter;
    }
}
} // end namespace otb

#endif