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   1  <?php
   2  
   3  namespace dokuwiki\Extension;
   4  
   5  /**
   6   * Admin Plugin Prototype
   7   *
   8   * Implements an admin interface in a plugin
   9   *
  10   * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
  11   * @author     Christopher Smith <chris@jalakai.co.uk>
  12   */
  13  abstract class AdminPlugin extends Plugin
  14  {
  15      /**
  16       * Return the text that is displayed at the main admin menu
  17       * (Default localized language string 'menu' is returned, override this function for setting another name)
  18       *
  19       * @param string $language language code
  20       * @return string menu string
  21       */
  22      public function getMenuText($language)
  23      {
  24          $menutext = $this->getLang('menu');
  25          if (!$menutext) {
  26              $info = $this->getInfo();
  27              $menutext = $info['name'] . ' ...';
  28          }
  29          return $menutext;
  30      }
  31  
  32      /**
  33       * Return the path to the icon being displayed in the main admin menu.
  34       * By default it tries to find an 'admin.svg' file in the plugin directory.
  35       * (Override this function for setting another image)
  36       *
  37       * Important: you have to return a single path, monochrome SVG icon! It has to be
  38       * under 2 Kilobytes!
  39       *
  40       * We recommend icons from https://materialdesignicons.com/ or to use a matching
  41       * style.
  42       *
  43       * @return string full path to the icon file
  44       */
  45      public function getMenuIcon()
  46      {
  47          $plugin = $this->getPluginName();
  48          return DOKU_PLUGIN . $plugin . '/admin.svg';
  49      }
  50  
  51      /**
  52       * Determine position in list in admin window
  53       * Lower values are sorted up
  54       *
  55       * @return int
  56       */
  57      public function getMenuSort()
  58      {
  59          return 1000;
  60      }
  61  
  62      /**
  63       * Return true if the plugin should be shown in the admin menu
  64       *
  65       * @return bool
  66       */
  67      public function showInMenu()
  68      {
  69          return true;
  70      }
  71  
  72      /**
  73       * Carry out required processing
  74       */
  75      public function handle()
  76      {
  77          // some plugins might not need this
  78      }
  79  
  80      /**
  81       * Output html of the admin page
  82       */
  83      abstract public function html();
  84  
  85      /**
  86       * Checks if access should be granted to this admin plugin
  87       *
  88       * @return bool true if the current user may access this admin plugin
  89       */
  90      public function isAccessibleByCurrentUser()
  91      {
  92          $data = [];
  93          $data['instance'] = $this;
  94          $data['hasAccess'] = false;
  95  
  96          $event = new Event('ADMINPLUGIN_ACCESS_CHECK', $data);
  97          if ($event->advise_before()) {
  98              if ($this->forAdminOnly()) {
  99                  $data['hasAccess'] = auth_isadmin();
 100              } else {
 101                  $data['hasAccess'] = auth_ismanager();
 102              }
 103          }
 104          $event->advise_after();
 105  
 106          return $data['hasAccess'];
 107      }
 108  
 109      /**
 110       * Return true for access only by admins (config:superuser) or false if managers are allowed as well
 111       *
 112       * @return bool
 113       */
 114      public function forAdminOnly()
 115      {
 116          return true;
 117      }
 118  
 119      /**
 120       * Return array with ToC items. Items can be created with the html_mktocitem()
 121       *
 122       * @see html_mktocitem()
 123       * @see tpl_toc()
 124       *
 125       * @return array
 126       */
 127      public function getTOC()
 128      {
 129          return [];
 130      }
 131  }