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 * Base class to make it easier to implement actions that are menuable_actions. 19 * 20 * @package core_question 21 * @copyright 2019 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 * Base class to make it easier to implement actions that are menuable_actions. 31 * 32 * Use this class if your action is simple (defined by just a URL, label and icon). 33 * If your action is not simple enough to fit into the pattern that this 34 * class implements, then you will have to implement the menuable_action 35 * interface yourself. 36 * 37 * @copyright 2019 Tim Hunt 38 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 39 */ 40 abstract class menu_action_column_base extends action_column_base implements menuable_action { 41 42 /** 43 * Get the information required to display this action either as a menu item or a separate action column. 44 * 45 * If this action cannot apply to this question (e.g. because the user does not have 46 * permission, then return [null, null, null]. 47 * 48 * @param \stdClass $question the row from the $question table, augmented with extra information. 49 * @return array with three elements. 50 * $url - the URL to perform the action. 51 * $icon - the icon for this action. E.g. 't/delete'. 52 * $label - text label to display in the UI (either in the menu, or as a tool-tip on the icon) 53 */ 54 abstract protected function get_url_icon_and_label(\stdClass $question): array; 55 56 protected function display_content($question, $rowclasses) { 57 [$url, $icon, $label] = $this->get_url_icon_and_label($question); 58 if ($url) { 59 $this->print_icon($icon, $label, $url); 60 } 61 } 62 63 public function get_action_menu_link(\stdClass $question): ?\action_menu_link { 64 [$url, $icon, $label] = $this->get_url_icon_and_label($question); 65 if (!$url) { 66 return null; 67 } 68 return new \action_menu_link_secondary($url, new \pix_icon($icon, ''), $label); 69 } 70 }
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