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Long Term Support Release
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 namespace qbank_previewquestion; 18 19 use core_question\local\bank\menu_action_column_base; 20 21 /** 22 * Question bank columns for the preview action icon. 23 * 24 * @package qbank_previewquestion 25 * @copyright 2009 Tim Hunt 26 * @author 2021 Safat Shahin <safatshahin@catalyst-au.net> 27 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 28 */ 29 class preview_action_column extends menu_action_column_base { 30 31 /** 32 * @var string store this lang string for performance. 33 */ 34 protected $strpreview; 35 36 public function init(): void { 37 parent::init(); 38 $this->strpreview = get_string('preview'); 39 } 40 41 public function get_name(): string { 42 return 'previewaction'; 43 } 44 45 protected function get_url_icon_and_label(\stdClass $question): array { 46 if (!\question_bank::is_qtype_installed($question->qtype)) { 47 // It sometimes happens that people end up with junk questions 48 // in their question bank of a type that is no longer installed. 49 // We cannot do most actions on them, because that leads to errors. 50 return [null, null, null]; 51 } 52 53 if (question_has_capability_on($question, 'use')) { 54 $context = $this->qbank->get_most_specific_context(); 55 // Default previews to always use the latest question version, unless we are previewing specific versions from the 56 // question history. 57 if ($this->qbank->is_listing_specific_versions()) { 58 $requestedversion = $question->version; 59 } else { 60 $requestedversion = question_preview_options::ALWAYS_LATEST; 61 } 62 $url = helper::question_preview_url($question->id, null, null, 63 null, null, $context, $this->qbank->returnurl, $requestedversion); 64 return [$url, 't/preview', $this->strpreview]; 65 } else { 66 return [null, null, null]; 67 } 68 } 69 }
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