<?php

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
/**
 * Definitions of constants for gradebook
 *
 * @package    core
 * @subpackage grade
 * @copyright  2007 Nicolas Connault
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

// category aggregation types
define('GRADE_AGGREGATE_MEAN', 0);
define('GRADE_AGGREGATE_MEDIAN', 2);
define('GRADE_AGGREGATE_MIN', 4);
define('GRADE_AGGREGATE_MAX', 6);
define('GRADE_AGGREGATE_MODE', 8);
define('GRADE_AGGREGATE_WEIGHTED_MEAN', 10);
define('GRADE_AGGREGATE_WEIGHTED_MEAN2', 11);
define('GRADE_AGGREGATE_EXTRACREDIT_MEAN', 12);
define('GRADE_AGGREGATE_SUM', 13);

// grade types
define('GRADE_TYPE_NONE', 0);
define('GRADE_TYPE_VALUE', 1);
define('GRADE_TYPE_SCALE', 2);
define('GRADE_TYPE_TEXT', 3);

// grade_update() return status
define('GRADE_UPDATE_OK', 0);
define('GRADE_UPDATE_FAILED', 1);
define('GRADE_UPDATE_MULTIPLE', 2);
define('GRADE_UPDATE_ITEM_DELETED', 3);
define('GRADE_UPDATE_ITEM_LOCKED', 4);

// Grade tables history tracking actions
define('GRADE_HISTORY_INSERT', 1);
define('GRADE_HISTORY_UPDATE', 2);
define('GRADE_HISTORY_DELETE', 3);

// Display style constants
define('GRADE_DISPLAY_TYPE_DEFAULT', 0);
define('GRADE_DISPLAY_TYPE_REAL', 1);
define('GRADE_DISPLAY_TYPE_PERCENTAGE', 2);
define('GRADE_DISPLAY_TYPE_LETTER', 3);
define('GRADE_DISPLAY_TYPE_REAL_PERCENTAGE', 12);
define('GRADE_DISPLAY_TYPE_REAL_LETTER', 13);
define('GRADE_DISPLAY_TYPE_LETTER_REAL', 31);
define('GRADE_DISPLAY_TYPE_LETTER_PERCENTAGE', 32);
define('GRADE_DISPLAY_TYPE_PERCENTAGE_LETTER', 23);
define('GRADE_DISPLAY_TYPE_PERCENTAGE_REAL', 21);

define('GRADE_REPORT_AGGREGATION_POSITION_FIRST', 0);
define('GRADE_REPORT_AGGREGATION_POSITION_LAST', 1);
define('GRADE_REPORT_AGGREGATION_VIEW_FULL', 0);
define('GRADE_REPORT_AGGREGATION_VIEW_AGGREGATES_ONLY', 1);
define('GRADE_REPORT_AGGREGATION_VIEW_GRADES_ONLY', 2);

//What to do if category or course total contains a hidden item
define('GRADE_REPORT_HIDE_TOTAL_IF_CONTAINS_HIDDEN', 0);//hide the total from students
define('GRADE_REPORT_SHOW_TOTAL_IF_CONTAINS_HIDDEN', 1);//show the total to students minus grades from the hidden items
define('GRADE_REPORT_SHOW_REAL_TOTAL_IF_CONTAINS_HIDDEN', 2);//show students the real total including marks from hidden items

define('GRADE_REPORT_PREFERENCE_DEFAULT', 'default'); // means use setting from site preferences
define('GRADE_REPORT_PREFERENCE_INHERIT', 'inherit'); // means inherit from parent
define('GRADE_REPORT_PREFERENCE_UNUSED', -1);

define('GRADE_REPORT_MEAN_ALL', 0);
define('GRADE_REPORT_MEAN_GRADED', 1);

define('GRADE_NAVMETHOD_DROPDOWN', 0);
define('GRADE_NAVMETHOD_TABS', 1);
define('GRADE_NAVMETHOD_COMBO', 2);