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Differences Between: [Versions 39 and 311] [Versions 39 and 400] [Versions 39 and 401] [Versions 39 and 402] [Versions 39 and 403]

   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   * File containing the class activity navigation renderable.
  19   *
  20   * @package    core_course
  21   * @copyright  2017 Mark Nelson <markn@moodle.com>
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  namespace core_course\output;
  25  
  26  defined('MOODLE_INTERNAL') || die();
  27  
  28  use renderable;
  29  use templatable;
  30  use url_select;
  31  
  32  /**
  33   * The class activity navigation renderable.
  34   *
  35   * @package    core_course
  36   * @copyright  2017 Mark Nelson <markn@moodle.com>
  37   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38   */
  39  class activity_navigation implements renderable, templatable {
  40  
  41      /**
  42       * @var \action_link The action link object for the prev link.
  43       */
  44      public $prevlink = null;
  45  
  46      /**
  47       * @var \action_link The action link object for the next link.
  48       */
  49      public $nextlink = null;
  50  
  51      /**
  52       * @var url_select The url select object for the activity selector menu.
  53       */
  54      public $activitylist = null;
  55  
  56      /**
  57       * Constructor.
  58       *
  59       * @param \cm_info|null $prevmod The previous module to display, null if none.
  60       * @param \cm_info|null $nextmod The next module to display, null if none.
  61       * @param array $activitylist The list of activity URLs (as key) and names (as value) for the activity dropdown menu.
  62       */
  63      public function __construct($prevmod, $nextmod, $activitylist = array()) {
  64          global $OUTPUT;
  65  
  66          // Check if there is a previous module to display.
  67          if ($prevmod) {
  68              $linkurl = new \moodle_url($prevmod->url, array('forceview' => 1));
  69              $linkname = $prevmod->get_formatted_name();
  70              if (!$prevmod->visible) {
  71                  $linkname .= ' ' . get_string('hiddenwithbrackets');
  72              }
  73  
  74              $attributes = [
  75                  'class' => 'btn btn-link',
  76                  'id' => 'prev-activity-link',
  77                  'title' => $linkname,
  78              ];
  79              $this->prevlink = new \action_link($linkurl, $OUTPUT->larrow() . ' ' . $linkname, null, $attributes);
  80          }
  81  
  82          // Check if there is a next module to display.
  83          if ($nextmod) {
  84              $linkurl = new \moodle_url($nextmod->url, array('forceview' => 1));
  85              $linkname = $nextmod->get_formatted_name();
  86              if (!$nextmod->visible) {
  87                  $linkname .= ' ' . get_string('hiddenwithbrackets');
  88              }
  89  
  90              $attributes = [
  91                  'class' => 'btn btn-link',
  92                  'id' => 'next-activity-link',
  93                  'title' => $linkname,
  94              ];
  95              $this->nextlink = new \action_link($linkurl, $linkname . ' ' . $OUTPUT->rarrow(), null, $attributes);
  96          }
  97  
  98          // Render the activity list dropdown menu if available.
  99          if (!empty($activitylist)) {
 100              $select = new url_select($activitylist, '', array('' => get_string('jumpto')));
 101              $select->set_label(get_string('jumpto'), array('class' => 'sr-only'));
 102              $select->attributes = array('id' => 'jump-to-activity');
 103              $this->activitylist = $select;
 104          }
 105      }
 106  
 107      /**
 108       * Export this data so it can be used as the context for a mustache template.
 109       *
 110       * @param \renderer_base $output Renderer base.
 111       * @return \stdClass
 112       */
 113      public function export_for_template(\renderer_base $output) {
 114          $data = new \stdClass();
 115          if ($this->prevlink) {
 116              $data->prevlink = $this->prevlink->export_for_template($output);
 117          }
 118  
 119          if ($this->nextlink) {
 120              $data->nextlink = $this->nextlink->export_for_template($output);
 121          }
 122  
 123          if ($this->activitylist) {
 124              $data->activitylist = $this->activitylist->export_for_template($output);
 125          }
 126  
 127          return $data;
 128      }
 129  }