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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Class for storing calculated sub question statistics and intermediate calculation values.
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*
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* @package core_question
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* @copyright 2013 The Open University
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* @author James Pratt me@jamiep.org
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace core_question\statistics\questions;
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defined('MOODLE_INTERNAL') || die();
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/**
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* A class to store calculated stats for a sub question.
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*
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* @package core_question
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* @copyright 2013 The Open University
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* @author James Pratt me@jamiep.org
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class calculated_for_subquestion extends calculated {
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public $subquestion = true;
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/**
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* @var array What slots is this sub question used in?
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*/
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public $usedin = array();
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/**
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* @var bool Have the slots this sub question has been used in got different grades?
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*/
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public $differentweights = false;
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public $negcovar = 0;
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/**
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* @var int only set immediately before display in the table. The order of display in the table.
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*/
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public $subqdisplayorder;
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/**
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* Constructor.
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*
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* @param object|null $step the step data for the step that this sub-question was first encountered in.
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* @param int|null $variant the variant no
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*/
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public function __construct($step = null, $variant = null) {
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if ($step !== null) {
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$this->questionid = $step->questionid;
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$this->maxmark = $step->maxmark;
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}
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$this->variant = $variant;
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}
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}
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