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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace core_question\output;
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use renderer_base;
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use templatable;
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use renderable;
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use question_bank;
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require_once($CFG->dirroot . '/question/engine/bank.php');
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/**
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* A UI widget to select other versions of a particular question.
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*
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* It will help plugins to enable version selection in locations like modal, page etc.
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*
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* @package core_question
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* @copyright 2022 Catalyst IT Australia Pty Ltd
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* @author Safat Shahin <safatshahin@catalyst-au.net>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class question_version_selection implements templatable, renderable {
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/** @var string */
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private $uniqueidentifier;
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/** @var int */
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private $currentselectedquestionid = null;
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/**
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* Constructor.
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*
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* @param string $uniqueidentifier unique identifier for the api usage.
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* @param int $currentlyselectedquestionid selected question id in dropdown.
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*/
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protected function __construct(string $uniqueidentifier, int $currentlyselectedquestionid) {
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$this->uniqueidentifier = $uniqueidentifier;
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$this->currentselectedquestionid = $currentlyselectedquestionid;
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}
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/**
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* Set the selected question id for the currently selected question.
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*
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* @param string $uniqueidentifier unique identifier for the api usage.
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* @param int $currentlyselectedquestionid selected question id in dropdown.
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* @return self an instance of this UI widget for the given question.
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*/
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public static function make_for_question(string $uniqueidentifier, int $currentlyselectedquestionid): self {
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return new self($uniqueidentifier, $currentlyselectedquestionid);
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}
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/**
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* Export the data for version selection mustache.
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*
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* @param renderer_base $output renderer of the output
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* @return array
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*/
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public function export_for_template(renderer_base $output): array {
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$displaydata = [];
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$versionsoptions = question_bank::get_all_versions_of_question($this->currentselectedquestionid);
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foreach ($versionsoptions as $versionsoption) {
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$versionsoption->selected = false;
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$a = new \stdClass();
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$a->version = $versionsoption->version;
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$versionsoption->name = get_string('version_selection', 'core_question', $a);
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if ($versionsoption->questionid == $this->currentselectedquestionid) {
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$versionsoption->selected = true;
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}
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$displaydata[] = $versionsoption;
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}
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return [
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'options' => $displaydata,
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'uniqueidentifier' => $this->uniqueidentifier,
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];
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}
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}
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