| Commit | Line | Data |
|---|---|---|
| cdece95e TH |
1 | <?php |
| 2 | // This file is part of Moodle - http://moodle.org/ | |
| 3 | // | |
| 4 | // Moodle is free software: you can redistribute it and/or modify | |
| 5 | // it under the terms of the GNU General Public License as published by | |
| 6 | // the Free Software Foundation, either version 3 of the License, or | |
| 7 | // (at your option) any later version. | |
| 8 | // | |
| 9 | // Moodle is distributed in the hope that it will be useful, | |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | // GNU General Public License for more details. | |
| 13 | // | |
| 14 | // You should have received a copy of the GNU General Public License | |
| 15 | // along with Moodle. If not, see <http://www.gnu.org/licenses/>. | |
| 16 | ||
| 17 | /** | |
| 18 | * Calculated multiple-choice question definition class. | |
| 19 | * | |
| 20 | * @package qtype | |
| 21 | * @subpackage calculatedmulti | |
| 22 | * @copyright 2011 The Open University | |
| 23 | * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | |
| 24 | */ | |
| 25 | ||
| 26 | ||
| 27 | defined('MOODLE_INTERNAL') || die(); | |
| 28 | ||
| 29 | require_once($CFG->dirroot . '/question/type/multichoice/question.php'); | |
| 30 | require_once($CFG->dirroot . '/question/type/calculated/question.php'); | |
| 31 | ||
| 32 | ||
| 33 | /** | |
| 34 | * Represents a calculated multiple-choice multiple-response question. | |
| 35 | * | |
| 36 | * @copyright 2011 The Open University | |
| 37 | * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | |
| 38 | */ | |
| 39 | class qtype_calculatedmulti_single_question extends qtype_multichoice_single_question | |
| 40 | implements qtype_calculated_question_with_expressions { | |
| 41 | /** @var qtype_calculated_dataset_loader helper for loading the dataset. */ | |
| 42 | public $datasetloader; | |
| 43 | ||
| 44 | /** @var qtype_calculated_variable_substituter stores the dataset we are using. */ | |
| 45 | public $vs; | |
| 46 | ||
| 47 | public function start_attempt(question_attempt_step $step) { | |
| 48 | qtype_calculated_question_helper::start_attempt($this, $step); | |
| 49 | parent::start_attempt($step); | |
| 50 | } | |
| 51 | ||
| 52 | public function apply_attempt_state(question_attempt_step $step) { | |
| 53 | qtype_calculated_question_helper::apply_attempt_state($this, $step); | |
| 54 | parent::apply_attempt_state($step); | |
| 55 | } | |
| 56 | ||
| 57 | public function calculate_all_expressions() { | |
| 58 | qtype_calculatedmulti_calculate_helper::calculate_all_expressions($this); | |
| 59 | } | |
| 60 | } | |
| 61 | ||
| 62 | ||
| 63 | /** | |
| 64 | * Represents a calculated multiple-choice multiple-response question. | |
| 65 | * | |
| 66 | * @copyright 2011 The Open University | |
| 67 | * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | |
| 68 | */ | |
| 69 | class qtype_calculatedmulti_multi_question extends qtype_multichoice_multi_question | |
| 70 | implements qtype_calculated_question_with_expressions { | |
| 71 | /** @var qtype_calculated_dataset_loader helper for loading the dataset. */ | |
| 72 | public $datasetloader; | |
| 73 | ||
| 74 | /** @var qtype_calculated_variable_substituter stores the dataset we are using. */ | |
| 75 | public $vs; | |
| 76 | ||
| 77 | public function start_attempt(question_attempt_step $step) { | |
| 78 | qtype_calculated_question_helper::start_attempt($this, $step); | |
| 79 | parent::start_attempt($step); | |
| 80 | } | |
| 81 | ||
| 82 | public function apply_attempt_state(question_attempt_step $step) { | |
| 83 | qtype_calculated_question_helper::apply_attempt_state($this, $step); | |
| 84 | parent::apply_attempt_state($step); | |
| 85 | } | |
| 86 | ||
| 87 | public function calculate_all_expressions() { | |
| 88 | qtype_calculatedmulti_calculate_helper::calculate_all_expressions($this); | |
| 89 | } | |
| 90 | } | |
| 91 | ||
| 92 | ||
| 93 | /** | |
| 94 | * Helper to abstract common code between qtype_calculatedmulti_single_question | |
| 95 | * and qtype_calculatedmulti_multi_question. | |
| 96 | * | |
| 97 | * @copyright 2011 The Open University | |
| 98 | * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | |
| 99 | */ | |
| 100 | abstract class qtype_calculatedmulti_calculate_helper { | |
| 101 | /** | |
| 102 | * Calculate all the exressions in a qtype_calculatedmulti_single_question | |
| 103 | * or qtype_calculatedmulti_multi_question. | |
| 104 | * @param unknown_type $question | |
| 105 | */ | |
| 106 | public static function calculate_all_expressions( | |
| 107 | qtype_calculated_question_with_expressions $question) { | |
| 108 | $question->questiontext = $question->vs->replace_expressions_in_text( | |
| 109 | $question->questiontext); | |
| 110 | $question->generalfeedback = $question->vs->replace_expressions_in_text( | |
| 111 | $question->generalfeedback); | |
| 112 | ||
| 113 | foreach ($question->answers as $ans) { | |
| 114 | if ($ans->answer && $ans->answer !== '*') { | |
| 115 | $ans->answer = $question->vs->replace_expressions_in_text($ans->answer, | |
| 116 | $ans->correctanswerlength, $ans->correctanswerformat); | |
| 117 | } | |
| 118 | $ans->feedback = $question->vs->replace_expressions_in_text($ans->feedback, | |
| 119 | $ans->correctanswerlength, $ans->correctanswerformat); | |
| 120 | } | |
| 121 | } | |
| 122 | } |
