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 * @package moodlecore 19 * @subpackage backup-moodle2 20 * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} 21 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 22 */ 23 24 25 defined('MOODLE_INTERNAL') || die(); 26 27 28 /** 29 * restore plugin class that provides the necessary information 30 * needed to restore one truefalse qtype plugin 31 * 32 * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} 33 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 34 */ 35 class restore_qtype_truefalse_plugin extends restore_qtype_plugin { 36 37 /** 38 * Returns the paths to be handled by the plugin at question level 39 */ 40 protected function define_question_plugin_structure() { 41 42 $paths = array(); 43 44 // This qtype uses question_answers, add them. 45 $this->add_question_question_answers($paths); 46 47 // Add own qtype stuff. 48 $elename = 'truefalse'; 49 $elepath = $this->get_pathfor('/truefalse'); // We used get_recommended_name() so this works. 50 $paths[] = new restore_path_element($elename, $elepath); 51 52 return $paths; // And we return the interesting paths. 53 } 54 55 /** 56 * Process the qtype/truefalse element 57 */ 58 public function process_truefalse($data) { 59 global $DB; 60 61 $data = (object)$data; 62 $oldid = $data->id; 63 64 // Detect if the question is created or mapped. 65 $oldquestionid = $this->get_old_parentid('question'); 66 $newquestionid = $this->get_new_parentid('question'); 67 $questioncreated = $this->get_mappingid('question_created', $oldquestionid) ? true : false; 68 69 // If the question has been created by restore, we need to create its question_truefalse too. 70 if ($questioncreated) { 71 // Adjust some columns. 72 $data->question = $newquestionid; 73 $data->trueanswer = $this->get_mappingid('question_answer', $data->trueanswer); 74 $data->falseanswer = $this->get_mappingid('question_answer', $data->falseanswer); 75 // Insert record. 76 $newitemid = $DB->insert_record('question_truefalse', $data); 77 // Create mapping. 78 $this->set_mapping('question_truefalse', $oldid, $newitemid); 79 } 80 } 81 82 /** 83 * Given one question_states record, return the answer 84 * recoded pointing to all the restored stuff for truefalse questions 85 * 86 * if not empty, answer is one question_answers->id 87 */ 88 public function recode_legacy_state_answer($state) { 89 $answer = $state->answer; 90 $result = ''; 91 if ($answer) { 92 $result = $this->get_mappingid('question_answer', $answer); 93 } 94 return $result; 95 } 96 }
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