#ifndef GUI_WIDGETS_GROUP_HPP_INCLUDED
#define GUI_WIDGETS_GROUP_HPP_INCLUDED

#include "gui/widgets/widget.hpp"
#include <vector>

namespace gui2
{

template <class T = twidget>
class tgroup
{
public:
    tgroup(const std::string& id = "");

    const std::string& id() const { return id_; }

    typedef typename std::vector<T*>            group_list;
    typedef typename group_list::iterator       group_iterator;
    typedef typename group_list::const_iterator group_iterator_const;

    void add_member(T* widget);

    void remove_member(T* widget);

    group_list get_members() { return members_; }

    /**
     * General function to operate on the members in a group.
     *
     * @param group_operator   Operator function to be called on each
     *                         member of the group.
     */
    // void execute_group_actions(boost::function<void(tselectable_*)> group_operator);

    std::pair<group_iterator, group_iterator> widgets()
    {
        return std::make_pair(members_.begin(), members_.end());
    }

    std::pair<group_iterator_const, group_iterator_const> widgets() const
    {
        return std::make_pair(members_.begin(), members_.end());
    }

private:
    std::string id_;

    group_list members_;
};

} // namespace gui2

#endif