mod/quiz/classes/question/bank/fragment_view.php

   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  * Defines the custom question bank view used in the question bank modal.
  19  *
  20  * @package   mod_quiz
  21  * @category  question
  22  * @copyright 2018 Ryan Wyllie <ryan@moodle.com>
  23  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 namespace mod_quiz\question\bank;
  27 defined('MOODLE_INTERNAL') || die();
  28
  29
  30 /**
  31  * Subclass to customise the view of the question bank for a fragment.
  32  *
  33  * This view is to be used when returning the question bank as part of
  34  * a fragment.
  35  *
  36  * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
  37  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38  */
  39 class fragment_view extends custom_view {
  40     /**
  41      * Override the base implementation in \core_question\bank\view
  42      * because we don't want to print the headers in the fragment
  43      * for the modal.
  44      */
  45     protected function display_question_bank_header() {
  46     }
  47
  48     /**
  49      * Override the base implementation in \core_question\bank\view
  50      * because we don't want it to read from the $_POST global variables
  51      * for the sort parameters since they are not present in a fragment.
  52      *
  53      * Unfortunately the best we can do is to look at the URL for
  54      * those parameters (only marginally better really).
  55      */
  56     protected function init_sort_from_params() {
  57         $this->sort = [];
  58         for ($i = 1; $i <= self::MAX_SORTS; $i++) {
  59             if (!$sort = $this->baseurl->param('qbs' . $i)) {
  60                 break;
  61             }
  62             // Work out the appropriate order.
  63             $order = 1;
  64             if ($sort[0] == '-') {
  65                 $order = -1;
  66                 $sort = substr($sort, 1);
  67                 if (!$sort) {
  68                     break;
  69                 }
  70             }
  71             // Deal with subsorts.
  72             list($colname, $subsort) = $this->parse_subsort($sort);
  73             $this->requiredcolumns[$colname] = $this->get_column_type($colname);
  74             $this->sort[$sort] = $order;
  75         }
  76     }
  77 }