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 * Question bank columns for the preview action icon. 19 * 20 * @package core_question 21 * @copyright 2009 Tim Hunt 22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 23 */ 24 25 namespace core_question\bank; 26 defined('MOODLE_INTERNAL') || die(); 27 28 29 /** 30 * Question bank columns for the preview action icon. 31 * 32 * @copyright 2009 Tim Hunt 33 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 34 */ 35 class preview_action_column extends action_column_base implements menuable_action { 36 /** 37 * @var string store this lang string for performance. 38 */ 39 protected $strpreview; 40 41 public function init() { 42 parent::init(); 43 $this->strpreview = get_string('preview'); 44 } 45 46 public function get_name() { 47 return 'previewaction'; 48 } 49 50 protected function display_content($question, $rowclasses) { 51 global $PAGE; 52 53 if (!\question_bank::is_qtype_installed($question->qtype)) { 54 // It sometimes happens that people end up with junk questions 55 // in their question bank of a type that is no longer installed. 56 // We cannot do most actions on them, because that leads to errors. 57 return; 58 } 59 60 if (question_has_capability_on($question, 'use')) { 61 echo $PAGE->get_renderer('core_question')->question_preview_link( 62 $question->id, $this->qbank->get_most_specific_context(), false); 63 } 64 } 65 66 public function get_action_menu_link(\stdClass $question): ?\action_menu_link { 67 if (!\question_bank::is_qtype_installed($question->qtype)) { 68 // It sometimes happens that people end up with junk questions 69 // in their question bank of a type that is no longer installed. 70 // We cannot do most actions on them, because that leads to errors. 71 return null; 72 } 73 74 if (!question_has_capability_on($question, 'use')) { 75 return null; 76 } 77 78 $context = $this->qbank->get_most_specific_context(); 79 $url = question_preview_url($question->id, null, null, null, null, $context); 80 return new \action_menu_link_secondary($url, new \pix_icon('t/preview', ''), 81 $this->strpreview, ['target' => 'questionpreview']); 82 } 83 }
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