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Differences Between: [Versions 310 and 403] [Versions 311 and 403] [Versions 39 and 403] [Versions 400 and 403] [Versions 401 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   * Defines classes used for plugin info.
  19   *
  20   * @license    http://www.gnu.org/copyleft/gpl.html GNU Public License
  21   * @copyright  2016 Brendan Heywood (brendan@catalyst-au.net)
  22   * @package    core
  23   */
  24  namespace core\plugininfo;
  25  
  26  use admin_settingpage;
  27  use core_plugin_manager;
  28  use moodle_url;
  29  use part_of_admin_tree;
  30  
  31  /**
  32   * Class for dataformats
  33   *
  34   * @package    core
  35   * @license    http://www.gnu.org/copyleft/gpl.html GNU Public License
  36   * @copyright  2016 Brendan Heywood (brendan@catalyst-au.net)
  37   */
  38  class dataformat extends base {
  39  
  40      public static function plugintype_supports_disabling(): bool {
  41          return true;
  42      }
  43  
  44      /**
  45       * Display name
  46       */
  47      public function init_display_name() {
  48          if (!get_string_manager()->string_exists('dataformat', $this->component)) {
  49              $this->displayname = '[dataformat,' . $this->component . ']';
  50          } else {
  51              $this->displayname = get_string('dataformat', $this->component);
  52          }
  53      }
  54  
  55      /**
  56       * Given a list of dataformat types, return them sorted according to site configuration (if set)
  57       *
  58       * @param string[] $formats List of formats, ['csv', 'pdf', etc]
  59       * @return string[] List of formats according to configured sort, ['csv', 'odf', etc]
  60       */
  61      private static function get_plugins_sortorder(array $formats): array {
  62          global $CFG;
  63  
  64          if (!empty($CFG->dataformat_plugins_sortorder)) {
  65              $order = explode(',', $CFG->dataformat_plugins_sortorder);
  66              $order = array_merge(array_intersect($order, $formats), array_diff($formats, $order));
  67          } else {
  68              $order = $formats;
  69          }
  70  
  71          return $order;
  72      }
  73  
  74      /**
  75       * Gathers and returns the information about all plugins of the given type
  76       *
  77       * @param string $type the name of the plugintype, eg. mod, auth or workshopform
  78       * @param string $typerootdir full path to the location of the plugin dir
  79       * @param string $typeclass the name of the actually called class
  80       * @param core_plugin_manager $pluginman the plugin manager calling this method
  81       * @return array of plugintype classes, indexed by the plugin name
  82       */
  83      public static function get_plugins($type, $typerootdir, $typeclass, $pluginman) {
  84          $formats = parent::get_plugins($type, $typerootdir, $typeclass, $pluginman);
  85  
  86          $order = static::get_plugins_sortorder(array_keys($formats));
  87          $sortedformats = array();
  88          foreach ($order as $formatname) {
  89              $sortedformats[$formatname] = $formats[$formatname];
  90          }
  91          return $sortedformats;
  92      }
  93  
  94      /**
  95       * Finds all enabled plugins, the result may include missing plugins.
  96       * @return array|null of enabled plugins $pluginname=>$pluginname, null means unknown
  97       */
  98      public static function get_enabled_plugins() {
  99          $plugins = core_plugin_manager::instance()->get_installed_plugins('dataformat');
 100          if (!$plugins) {
 101              return array();
 102          }
 103  
 104          $order = static::get_plugins_sortorder(array_keys($plugins));
 105          $enabled = array();
 106          foreach ($order as $formatname) {
 107              $disabled = get_config('dataformat_' . $formatname, 'disabled');
 108              if (empty($disabled)) {
 109                  $enabled[$formatname] = $formatname;
 110              }
 111          }
 112          return $enabled;
 113      }
 114  
 115      public static function enable_plugin(string $pluginname, int $enabled): bool {
 116          $haschanged = false;
 117  
 118          $plugin = 'dataformat_' . $pluginname;
 119          $oldvalue = get_config($plugin, 'disabled');
 120          $disabled = !$enabled;
 121          // Only set value if there is no config setting or if the value is different from the previous one.
 122          if ($oldvalue == false && $disabled) {
 123              set_config('disabled', $disabled, $plugin);
 124              $haschanged = true;
 125          } else if ($oldvalue != false && !$disabled) {
 126              unset_config('disabled', $plugin);
 127              $haschanged = true;
 128          }
 129  
 130          if ($haschanged) {
 131              add_to_config_log('disabled', $oldvalue, $disabled, $plugin);
 132              \core_plugin_manager::reset_caches();
 133          }
 134  
 135          return $haschanged;
 136      }
 137  
 138      /**
 139       * Returns the node name used in admin settings menu for this plugin settings (if applicable)
 140       *
 141       * @return null|string node name or null if plugin does not create settings node (default)
 142       */
 143      public function get_settings_section_name() {
 144          return 'dataformatsetting' . $this->name;
 145      }
 146  
 147      /**
 148       * Loads plugin settings to the settings tree
 149       *
 150       * This function usually includes settings.php file in plugins folder.
 151       * Alternatively it can create a link to some settings page (instance of admin_externalpage)
 152       *
 153       * @param \part_of_admin_tree $adminroot
 154       * @param string $parentnodename
 155       * @param bool $hassiteconfig whether the current user has moodle/site:config capability
 156       */
 157      public function load_settings(part_of_admin_tree $adminroot, $parentnodename, $hassiteconfig) {
 158          global $CFG, $USER, $DB, $OUTPUT, $PAGE; // In case settings.php wants to refer to them.
 159          /** @var \admin_root $ADMIN */
 160          $ADMIN = $adminroot; // May be used in settings.php.
 161          $plugininfo = $this; // Also can be used inside settings.php.
 162          $dataformat = $this;     // Also can be used inside settings.php.
 163  
 164          if (!$this->is_installed_and_upgraded()) {
 165              return;
 166          }
 167  
 168          if (!$hassiteconfig) {
 169              return;
 170          }
 171          if (file_exists($this->full_path('settings.php'))) {
 172              $fullpath = $this->full_path('settings.php');
 173          } else if (file_exists($this->full_path('dataformatsettings.php'))) {
 174              $fullpath = $this->full_path('dataformatsettings.php');
 175          } else {
 176              return;
 177          }
 178  
 179          $section = $this->get_settings_section_name();
 180          $settings = new admin_settingpage($section, $this->displayname, 'moodle/site:config', $this->is_enabled() === false);
 181          include($fullpath); // This may also set $settings to null.
 182  
 183          if ($settings) {
 184              $ADMIN->add($parentnodename, $settings);
 185          }
 186      }
 187  
 188      /**
 189       * dataformats can be uninstalled
 190       *
 191       * @return bool
 192       */
 193      public function is_uninstall_allowed() {
 194          return true;
 195      }
 196  
 197      /**
 198       * Return URL used for management of plugins of this type.
 199       * @return moodle_url
 200       */
 201      public static function get_manage_url() {
 202          return new moodle_url('/admin/settings.php?section=managedataformats');
 203      }
 204  
 205  }