#ifndef MULTIPLESELECTION_H

#define MULTIPLESELECTION_H

// TnzQt includes

#include "toonzqt/selection.h"

// STD includes

#include <algorithm></algorithm>

//**********************************************************************

//    MultipleSelection  definition

//**********************************************************************

/*!

  \brief      Represents a selection of multiple objects.

  \details    This template class implements a TSelection storing

              multiple objects.

  \remark     The stored objects must support operator<().

*/

template <typename t=""></typename>

class MultipleSelection : public TSelection

{

public:

	typedef T object_type;

	typedef std::vector<t> objects_container;</t>

public:

	MultipleSelection() {}

	MultipleSelection(const T &t) : m_objects(1, t) {}

	MultipleSelection(const std::vector<t> &objects)</t>

		: m_objects(objects)

	{

		std::sort(m_objects.begin(), m_objects.end());

	}

	bool isEmpty() const { return m_objects.empty(); }

	void selectNone()

	{

		m_objects.clear();

		notifyView();

	}

	bool contains(int v) const

	{

		return std::binary_search(m_objects.begin(), m_objects.end(), v);

	}

	bool contains(const MultipleSelection &other) const

	{

		return std::includes(m_objects.begin(), m_objects.end(),

							 other.m_objects.begin(), other.m_objects.end());

	}

	const objects_container &objects() const { return m_objects; }

	void setObjects(const objects_container &objects)

	{

		m_objects = objects;

		std::sort(m_objects.begin(), m_objects.end());

	}

	bool hasSingleObject() const

	{

		return (m_objects.size() == 1);

	}

protected:

	objects_container m_objects; //!< Selected objects

};

#endif // MULTIPLESELECTION_H