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<?php

class Rounding_code
{
    const HALF_UP = 0;
    const HALF_DOWN = 1;
    const HALF_EVEN = 2;
    const HALF_ODD = 3;
    const ROUND_UP = 4;
    const ROUND_DOWN = 5;
    const HALF_FIVE = 6;

    public static function get_rounding_options()
    {
        $CI =& get_instance();
        $CI->load->helper('language');
        return array(
            Rounding_code::HALF_UP => lang('enum_half_up'),
            Rounding_code::HALF_DOWN => lang('enum_half_down'),
            Rounding_code::HALF_EVEN => lang('enum_half_even'),
            Rounding_code::HALF_ODD => lang('enum_half_odd'),
            Rounding_code::ROUND_UP => lang('enum_round_up'),
            Rounding_code::ROUND_DOWN => lang('enum_round_down'),
            Rounding_code::HALF_FIVE => lang('enum_half_five')
        );
    }

    public static function get_rounding_code_name($rounding_code)
    {
        $CI =& get_instance();
        $CI->load->helper('language');
        if($rounding_code == Rounding_code::HALF_UP)
        {
            return lang('enum_half_up');
        }
        elseif($rounding_code == Rounding_code::HALF_DOWN)
        {
            return lang('enum_half_down');
        }
        elseif($rounding_code == Rounding_code::HALF_EVEN)
        {
            return lang('enum_half_even');
        }
        elseif($rounding_code == Rounding_code::HALF_ODD)
        {
            return lang('enum_half_odd');
        }
        elseif($rounding_code == Rounding_code::ROUND_UP)
        {
            return lang('enum_round_up');
        }
        elseif($rounding_code == Rounding_code::ROUND_DOWN)
        {
            return lang('enum_round_down');
        }
        elseif($rounding_code == Rounding_code::HALF_FIVE)
        {
            return lang('enum_half_five');
        }
        else
        {
            return lang('common_unknown');
        }
    }

    public static function get_html_rounding_options()
    {
        $CI =& get_instance();
        $CI->load->helper('language');
        $x = "<option value='0' selected='selected'>".lang('enum_half_up')."</option>" .
        "<option value='1'>".lang('enum_half_down')."</option>" .
        "<option value='2'>".lang('enum_half_even')."</option>" .
        "<option value='3'>".lang('enum_half_odd')."</option>" .
        "<option value='4'>".lang('enum_round_up')."</option>" .
        "<option value='5'>".lang('enum_round_down')."</option>" .
        "<option value='6'>".lang('enum_half_five')."</option>";

        return $x;
    }
}