Search moodle.org's
Developer Documentation

See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401]

   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   * Contains event class for displaying a calendar event's icon.
  19   *
  20   * @package   core_calendar
  21   * @copyright 2017 Ryan Wyllie <ryan@moodle.com>
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  namespace core_calendar\external;
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  use \core\external\exporter;
  30  use \core_calendar\local\event\entities\event_interface;
  31  
  32  /**
  33   * Class for displaying a calendar event's icon.
  34   *
  35   * @package   core_calendar
  36   * @copyright 2017 Ryan Wyllie <ryan@moodle.com>
  37   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38   */
  39  class event_icon_exporter extends exporter {
  40  
  41      /**
  42       * Constructor.
  43       *
  44       * @param event_interface $event
  45       * @param array $related The related data.
  46       */
  47      public function __construct(event_interface $event, $related = []) {
  48          global $PAGE;
  49          $coursemodule = $event->get_course_module();
  50          $category = $event->get_category();
  51          $categoryid = $category ? $category->get('id') : null;
  52          $course = $event->get_course();
  53          $courseid = $course ? $course->get('id') : null;
  54          $group = $event->get_group();
  55          $groupid = $group ? $group->get('id') : null;
  56          $user = $event->get_user();
  57          $userid = $user ? $user->get('id') : null;
  58          $isactivityevent = !empty($coursemodule);
  59          $issiteevent = ($course && $courseid == SITEID);
  60          $iscategoryevent = ($category && !empty($categoryid));
  61          $iscourseevent = ($course && !empty($courseid) && $courseid != SITEID && empty($groupid));
  62          $isgroupevent = ($group && !empty($groupid));
  63          $isuserevent = ($user && !empty($userid));
  64          $iconurl = '';
  65          $iconclass = '';
  66  
  67          if ($isactivityevent) {
  68              $key = 'monologo';
  69              $component = $coursemodule->get('modname');
  70  
  71              $iconurl = get_fast_modinfo($courseid)->get_cm($coursemodule->get('id'))->get_icon_url();
  72              $iconclass = $iconurl->get_param('filtericon') ? '' : 'nofilter';
  73              $iconurl = $iconurl->out(false);
  74              if (get_string_manager()->string_exists($event->get_type(), $component)) {
  75                  $alttext = get_string($event->get_type(), $component);
  76              } else {
  77                  $alttext = get_string('activityevent', 'calendar');
  78              }
  79          } else if ($event->get_component()) {
  80              // Guess the icon and the title for the component event. By default display calendar icon and the
  81              // plugin name as the alttext.
  82              if ($PAGE->theme->resolve_image_location($event->get_type(), $event->get_component())) {
  83                  $key = $event->get_type();
  84                  $component = $event->get_component();
  85              } else {
  86                  $key = 'i/otherevent';
  87                  $component = 'core';
  88              }
  89  
  90              if (get_string_manager()->string_exists($event->get_type(), $event->get_component())) {
  91                  $alttext = get_string($event->get_type(), $event->get_component());
  92              } else {
  93                  $alttext = get_string('pluginname', $event->get_component());
  94              }
  95          } else if ($issiteevent) {
  96              $key = 'i/siteevent';
  97              $component = 'core';
  98              $alttext = get_string('typesite', 'calendar');
  99          } else if ($iscategoryevent) {
 100              $key = 'i/categoryevent';
 101              $component = 'core';
 102              $alttext = get_string('typecategory', 'calendar');
 103          } else if ($iscourseevent) {
 104              $key = 'i/courseevent';
 105              $component = 'core';
 106              $alttext = get_string('typecourse', 'calendar');
 107          } else if ($isgroupevent) {
 108              $key = 'i/groupevent';
 109              $component = 'core';
 110              $alttext = get_string('typegroup', 'calendar');
 111          } else if ($isuserevent) {
 112              $key = 'i/userevent';
 113              $component = 'core';
 114              $alttext = get_string('typeuser', 'calendar');
 115          } else {
 116              // Default to site event icon?
 117              $key = 'i/siteevent';
 118              $component = 'core';
 119              $alttext = get_string('typesite', 'calendar');
 120          }
 121  
 122          $data = new \stdClass();
 123          $data->key = $key;
 124          $data->component = $component;
 125          $data->alttext = $alttext;
 126          $data->iconurl = $iconurl;
 127          $data->iconclass = $iconclass;
 128  
 129          parent::__construct($data, $related);
 130      }
 131  
 132      /**
 133       * Return the list of properties.
 134       *
 135       * @return array
 136       */
 137      protected static function define_properties() {
 138          return [
 139              'key' => ['type' => PARAM_TEXT],
 140              'component' => ['type' => PARAM_TEXT],
 141              'alttext' => ['type' => PARAM_TEXT],
 142              'iconurl' => ['type' => PARAM_TEXT],
 143              'iconclass' => ['type' => PARAM_TEXT],
 144          ];
 145      }
 146  
 147      /**
 148       * Returns a list of objects that are related.
 149       *
 150       * @return array
 151       */
 152      protected static function define_related() {
 153          return [
 154              'context' => 'context',
 155          ];
 156      }
 157  }