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Developer Documentation

  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
  • PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.
  • Differences Between: [Versions 310 and 311] [Versions 311 and 400] [Versions 37 and 311] [Versions 38 and 311] [Versions 39 and 311]

       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   * Renderer for use with the badges output
      19   *
      20   * @package    core
      21   * @subpackage badges
      22   * @copyright  2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
      23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
      24   * @author     Yuliya Bozhko <yuliya.bozhko@totaralms.com>
      25   */
      26  
      27  defined('MOODLE_INTERNAL') || die();
      28  
      29  require_once($CFG->libdir . '/badgeslib.php');
      30  require_once($CFG->libdir . '/tablelib.php');
      31  
      32  /**
      33   * Standard HTML output renderer for badges
      34   */
      35  class core_badges_renderer extends plugin_renderer_base {
      36  
      37      // Outputs badges list.
      38      public function print_badges_list($badges, $userid, $profile = false, $external = false) {
      39          global $USER, $CFG;
      40          foreach ($badges as $badge) {
      41              if (!$external) {
      42                  $context = ($badge->type == BADGE_TYPE_SITE) ? context_system::instance() : context_course::instance($badge->courseid);
      43                  $bname = $badge->name;
      44                  $imageurl = moodle_url::make_pluginfile_url($context->id, 'badges', 'badgeimage', $badge->id, '/', 'f3', false);
      45              } else {
      46                  $bname = '';
      47                  $imageurl = '';
      48                  if (!empty($badge->name)) {
      49                      $bname = s($badge->name);
      50                  }
      51                  if (!empty($badge->image)) {
      52                      if (is_object($badge->image)) {
      53                          if (!empty($badge->image->caption)) {
      54                              $badge->imagecaption = $badge->image->caption;
      55                          }
      56                          $imageurl = $badge->image->id;
      57                      } else {
      58                          $imageurl = $badge->image;
      59                      }
      60                  }
      61                  if (isset($badge->assertion->badge->name)) {
      62                      $bname = s($badge->assertion->badge->name);
      63                  }
      64                  if (isset($badge->imageUrl)) {
      65                      $imageurl = $badge->imageUrl;
      66                  }
      67              }
      68  
      69              $name = html_writer::tag('span', $bname, array('class' => 'badge-name'));
      70  
      71              $imagecaption = $badge->imagecaption ?? '';
      72              $image = html_writer::empty_tag('img', ['src' => $imageurl, 'class' => 'badge-image', 'alt' => $imagecaption]);
      73              if (!empty($badge->dateexpire) && $badge->dateexpire < time()) {
      74                  $image .= $this->output->pix_icon('i/expired',
      75                          get_string('expireddate', 'badges', userdate($badge->dateexpire)),
      76                          'moodle',
      77                          array('class' => 'expireimage'));
      78                  $name .= '(' . get_string('expired', 'badges') . ')';
      79              }
      80  
      81              $download = $status = $push = '';
      82              if (($userid == $USER->id) && !$profile) {
      83                  $params = array(
      84                      'download' => $badge->id,
      85                      'hash' => $badge->uniquehash,
      86                      'sesskey' => sesskey()
      87                  );
      88                  $url = new moodle_url(
      89                      'mybadges.php',
      90                      $params
      91                  );
      92                  $notexpiredbadge = (empty($badge->dateexpire) || $badge->dateexpire > time());
      93                  $userbackpack = badges_get_user_backpack();
      94                  if (!empty($CFG->badges_allowexternalbackpack) && $notexpiredbadge && $userbackpack) {
      95                      $assertion = new moodle_url('/badges/assertion.php', array('b' => $badge->uniquehash));
      96                      $icon = new pix_icon('t/backpack', get_string('addtobackpack', 'badges'));
      97                      if (badges_open_badges_backpack_api($userbackpack->id) == OPEN_BADGES_V2) {
      98                          $addurl = new moodle_url('/badges/backpack-add.php', array('hash' => $badge->uniquehash));
      99                          $push = $this->output->action_icon($addurl, $icon);
     100                      } else if (badges_open_badges_backpack_api($userbackpack->id) == OPEN_BADGES_V2P1) {
     101                          $addurl = new moodle_url('/badges/backpack-export.php', array('hash' => $badge->uniquehash));
     102                          $push = $this->output->action_icon($addurl, $icon);
     103                      }
     104                  }
     105  
     106                  $download = $this->output->action_icon($url, new pix_icon('t/download', get_string('download')));
     107                  if ($badge->visible) {
     108                      $url = new moodle_url('mybadges.php', array('hide' => $badge->issuedid, 'sesskey' => sesskey()));
     109                      $status = $this->output->action_icon($url, new pix_icon('t/hide', get_string('makeprivate', 'badges')));
     110                  } else {
     111                      $url = new moodle_url('mybadges.php', array('show' => $badge->issuedid, 'sesskey' => sesskey()));
     112                      $status = $this->output->action_icon($url, new pix_icon('t/show', get_string('makepublic', 'badges')));
     113                  }
     114              }
     115  
     116              if (!$profile) {
     117                  $url = new moodle_url('badge.php', array('hash' => $badge->uniquehash));
     118              } else {
     119                  if (!$external) {
     120                      $url = new moodle_url('/badges/badge.php', array('hash' => $badge->uniquehash));
     121                  } else {
     122                      $hash = hash('md5', $badge->hostedUrl);
     123                      $url = new moodle_url('/badges/external.php', array('hash' => $hash, 'user' => $userid));
     124                  }
     125              }
     126              $actions = html_writer::tag('div', $push . $download . $status, array('class' => 'badge-actions'));
     127              $items[] = html_writer::link($url, $image . $actions . $name, array('title' => $bname));
     128          }
     129  
     130          return html_writer::alist($items, array('class' => 'badges'));
     131      }
     132  
     133      // Recipients selection form.
     134      public function recipients_selection_form(user_selector_base $existinguc, user_selector_base $potentialuc) {
     135          $output = '';
     136          $formattributes = array();
     137          $formattributes['id'] = 'recipientform';
     138          $formattributes['action'] = $this->page->url;
     139          $formattributes['method'] = 'post';
     140          $output .= html_writer::start_tag('form', $formattributes);
     141          $output .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
     142  
     143          $existingcell = new html_table_cell();
     144          $existingcell->text = $existinguc->display(true);
     145          $existingcell->attributes['class'] = 'existing';
     146          $actioncell = new html_table_cell();
     147          $actioncell->text  = html_writer::start_tag('div', array());
     148          $actioncell->text .= html_writer::empty_tag('input', array(
     149                      'type' => 'submit',
     150                      'name' => 'award',
     151                      'value' => $this->output->larrow() . ' ' . get_string('award', 'badges'),
     152                      'class' => 'actionbutton btn btn-secondary')
     153                  );
     154          $actioncell->text .= html_writer::empty_tag('input', array(
     155                      'type' => 'submit',
     156                      'name' => 'revoke',
     157                      'value' => get_string('revoke', 'badges') . ' ' . $this->output->rarrow(),
     158                      'class' => 'actionbutton btn btn-secondary')
     159                  );
     160          $actioncell->text .= html_writer::end_tag('div', array());
     161          $actioncell->attributes['class'] = 'actions';
     162          $potentialcell = new html_table_cell();
     163          $potentialcell->text = $potentialuc->display(true);
     164          $potentialcell->attributes['class'] = 'potential';
     165  
     166          $table = new html_table();
     167          $table->attributes['class'] = 'recipienttable boxaligncenter';
     168          $table->data = array(new html_table_row(array($existingcell, $actioncell, $potentialcell)));
     169          $output .= html_writer::table($table);
     170  
     171          $output .= html_writer::end_tag('form');
     172          return $output;
     173      }
     174  
     175      // Prints a badge overview infomation.
     176      public function print_badge_overview($badge, $context) {
     177          $display = "";
     178          $languages = get_string_manager()->get_list_of_languages();
     179  
     180          // Badge details.
     181          $display .= $this->heading(get_string('badgedetails', 'badges'), 3);
     182          $dl = array();
     183          $dl[get_string('name')] = $badge->name;
     184          $dl[get_string('version', 'badges')] = $badge->version;
     185          $dl[get_string('language')] = $languages[$badge->language];
     186          $dl[get_string('description', 'badges')] = $badge->description;
     187          $dl[get_string('createdon', 'search')] = userdate($badge->timecreated);
     188          $dl[get_string('badgeimage', 'badges')] = print_badge_image($badge, $context, 'large');
     189          $dl[get_string('imageauthorname', 'badges')] = $badge->imageauthorname;
     190          $dl[get_string('imageauthoremail', 'badges')] =
     191              html_writer::tag('a', $badge->imageauthoremail, array('href' => 'mailto:' . $badge->imageauthoremail));
     192          $dl[get_string('imageauthorurl', 'badges')] =
     193              html_writer::link($badge->imageauthorurl, $badge->imageauthorurl, array('target' => '_blank'));
     194          $dl[get_string('imagecaption', 'badges')] = $badge->imagecaption;
     195          $display .= $this->definition_list($dl);
     196  
     197          // Issuer details.
     198          $display .= $this->heading(get_string('issuerdetails', 'badges'), 3);
     199          $dl = array();
     200          $dl[get_string('issuername', 'badges')] = $badge->issuername;
     201          $dl[get_string('contact', 'badges')] = html_writer::tag('a', $badge->issuercontact, array('href' => 'mailto:' . $badge->issuercontact));
     202          $display .= $this->definition_list($dl);
     203  
     204          // Issuance details if any.
     205          $display .= $this->heading(get_string('issuancedetails', 'badges'), 3);
     206          if ($badge->can_expire()) {
     207              if ($badge->expiredate) {
     208                  $display .= get_string('expiredate', 'badges', userdate($badge->expiredate));
     209              } else if ($badge->expireperiod) {
     210                  if ($badge->expireperiod < 60) {
     211                      $display .= get_string('expireperiods', 'badges', round($badge->expireperiod, 2));
     212                  } else if ($badge->expireperiod < 60 * 60) {
     213                      $display .= get_string('expireperiodm', 'badges', round($badge->expireperiod / 60, 2));
     214                  } else if ($badge->expireperiod < 60 * 60 * 24) {
     215                      $display .= get_string('expireperiodh', 'badges', round($badge->expireperiod / 60 / 60, 2));
     216                  } else {
     217                      $display .= get_string('expireperiod', 'badges', round($badge->expireperiod / 60 / 60 / 24, 2));
     218                  }
     219              }
     220          } else {
     221              $display .= get_string('noexpiry', 'badges');
     222          }
     223  
     224          // Criteria details if any.
     225          $display .= $this->heading(get_string('bcriteria', 'badges'), 3);
     226          if ($badge->has_criteria()) {
     227              $display .= self::print_badge_criteria($badge);
     228          } else {
     229              $display .= get_string('nocriteria', 'badges');
     230              if (has_capability('moodle/badges:configurecriteria', $context)) {
     231                  $display .= $this->output->single_button(
     232                      new moodle_url('/badges/criteria.php', array('id' => $badge->id)),
     233                      get_string('addcriteria', 'badges'), 'POST', array('class' => 'activatebadge'));
     234              }
     235          }
     236  
     237          // Awards details if any.
     238          if (has_capability('moodle/badges:viewawarded', $context)) {
     239              $display .= $this->heading(get_string('awards', 'badges'), 3);
     240              if ($badge->has_awards()) {
     241                  $url = new moodle_url('/badges/recipients.php', array('id' => $badge->id));
     242                  $a = new stdClass();
     243                  $a->link = $url->out();
     244                  $a->count = count($badge->get_awards());
     245                  $display .= get_string('numawards', 'badges', $a);
     246              } else {
     247                  $display .= get_string('noawards', 'badges');
     248              }
     249  
     250              if (has_capability('moodle/badges:awardbadge', $context) &&
     251                  $badge->has_manual_award_criteria() &&
     252                  $badge->is_active()) {
     253                  $display .= $this->output->single_button(
     254                          new moodle_url('/badges/award.php', array('id' => $badge->id)),
     255                          get_string('award', 'badges'), 'POST', array('class' => 'activatebadge'));
     256              }
     257          }
     258  
     259          $display .= self::print_badge_endorsement($badge);
     260          $display .= self::print_badge_related($badge);
     261          $display .= self::print_badge_alignments($badge);
     262  
     263          return html_writer::div($display, null, array('id' => 'badge-overview'));
     264      }
     265  
     266      // Prints action icons for the badge.
     267      public function print_badge_table_actions($badge, $context) {
     268          $actions = "";
     269  
     270          if (has_capability('moodle/badges:configuredetails', $context) && $badge->has_criteria()) {
     271              // Activate/deactivate badge.
     272              if ($badge->status == BADGE_STATUS_INACTIVE || $badge->status == BADGE_STATUS_INACTIVE_LOCKED) {
     273                  // "Activate" will go to another page and ask for confirmation.
     274                  $url = new moodle_url('/badges/action.php');
     275                  $url->param('id', $badge->id);
     276                  $url->param('activate', true);
     277                  $url->param('sesskey', sesskey());
     278                  $return = new moodle_url(qualified_me());
     279                  $url->param('return', $return->out_as_local_url(false));
     280                  $actions .= $this->output->action_icon($url, new pix_icon('t/show', get_string('activate', 'badges'))) . " ";
     281              } else {
     282                  $url = new moodle_url(qualified_me());
     283                  $url->param('lock', $badge->id);
     284                  $url->param('sesskey', sesskey());
     285                  $actions .= $this->output->action_icon($url, new pix_icon('t/hide', get_string('deactivate', 'badges'))) . " ";
     286              }
     287          }
     288  
     289          // Award badge manually.
     290          if ($badge->has_manual_award_criteria() &&
     291                  has_capability('moodle/badges:awardbadge', $context) &&
     292                  $badge->is_active()) {
     293              $url = new moodle_url('/badges/award.php', array('id' => $badge->id));
     294              $actions .= $this->output->action_icon($url, new pix_icon('t/award', get_string('award', 'badges'))) . " ";
     295          }
     296  
     297          // Edit badge.
     298          if (has_capability('moodle/badges:configuredetails', $context)) {
     299              $url = new moodle_url('/badges/edit.php', array('id' => $badge->id, 'action' => 'badge'));
     300              $actions .= $this->output->action_icon($url, new pix_icon('t/edit', get_string('edit'))) . " ";
     301          }
     302  
     303          // Duplicate badge.
     304          if (has_capability('moodle/badges:createbadge', $context)) {
     305              $url = new moodle_url('/badges/action.php', array('copy' => '1', 'id' => $badge->id, 'sesskey' => sesskey()));
     306              $actions .= $this->output->action_icon($url, new pix_icon('t/copy', get_string('copy'))) . " ";
     307          }
     308  
     309          // Delete badge.
     310          if (has_capability('moodle/badges:deletebadge', $context)) {
     311              $url = new moodle_url(qualified_me());
     312              $url->param('delete', $badge->id);
     313              $actions .= $this->output->action_icon($url, new pix_icon('t/delete', get_string('delete'))) . " ";
     314          }
     315  
     316          return $actions;
     317      }
     318  
     319      /**
     320       * Render an issued badge.
     321       *
     322       * @param \core_badges\output\issued_badge $ibadge
     323       * @return string
     324       */
     325      protected function render_issued_badge(\core_badges\output\issued_badge $ibadge) {
     326          $data = $ibadge->export_for_template($this);
     327          return parent::render_from_template('core_badges/issued_badge', $data);
     328      }
     329  
     330      /**
     331       * Render an issued badge.
     332       *
     333       * @param \core_badges\output\badgeclass $badge
     334       * @return string
     335       */
     336      protected function render_badgeclass(\core_badges\output\badgeclass $badge) {
     337          $data = $badge->export_for_template($this);
     338          return parent::render_from_template('core_badges/issued_badge', $data);
     339      }
     340  
     341      /**
     342       * Render an external badge.
     343       *
     344       * @param \core_badges\output\external_badge $ibadge
     345       * @return string
     346       */
     347      protected function render_external_badge(\core_badges\output\external_badge $ibadge) {
     348          $data = $ibadge->export_for_template($this);
     349          return parent::render_from_template('core_badges/issued_badge', $data);
     350      }
     351  
     352      /**
     353       * Render a collection of user badges.
     354       *
     355       * @param \core_badges\output\badge_user_collection $badges
     356       * @return string
     357       */
     358      protected function render_badge_user_collection(\core_badges\output\badge_user_collection $badges) {
     359          global $CFG, $USER, $SITE;
     360          $backpack = $badges->backpack;
     361          $mybackpack = new moodle_url('/badges/mybackpack.php');
     362  
     363          $paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
     364          $htmlpagingbar = $this->render($paging);
     365  
     366          // Set backpack connection string.
     367          $backpackconnect = '';
     368          if (!empty($CFG->badges_allowexternalbackpack) && is_null($backpack)) {
     369              $backpackconnect = $this->output->box(get_string('localconnectto', 'badges', $mybackpack->out()), 'noticebox');
     370          }
     371          // Search box.
     372          $searchform = $this->output->box($this->helper_search_form($badges->search), 'boxwidthwide boxaligncenter');
     373  
     374          // Download all button.
     375          $actionhtml = $this->output->single_button(
     376                      new moodle_url('/badges/mybadges.php', array('downloadall' => true, 'sesskey' => sesskey())),
     377                      get_string('downloadall'), 'POST', array('class' => 'activatebadge'));
     378          $downloadall = $this->output->box('', 'col-md-3');
     379          $downloadall .= $this->output->box($actionhtml, 'col-md-9');
     380          $downloadall = $this->output->box($downloadall, 'row ml-5');
     381  
     382          // Local badges.
     383          $localhtml = html_writer::start_tag('div', array('id' => 'issued-badge-table', 'class' => 'generalbox'));
     384          $sitename = format_string($SITE->fullname, true, array('context' => context_system::instance()));
     385          $heading = get_string('localbadges', 'badges', $sitename);
     386          $localhtml .= $this->output->heading_with_help($heading, 'localbadgesh', 'badges');
     387          if ($badges->badges) {
     388              $countmessage = $this->output->box(get_string('badgesearned', 'badges', $badges->totalcount));
     389  
     390              $htmllist = $this->print_badges_list($badges->badges, $USER->id);
     391              $localhtml .= $backpackconnect . $countmessage . $searchform;
     392              $localhtml .= $htmlpagingbar . $htmllist . $htmlpagingbar . $downloadall;
     393          } else {
     394              $localhtml .= $searchform . $this->output->notification(get_string('nobadges', 'badges'));
     395          }
     396          $localhtml .= html_writer::end_tag('div');
     397  
     398          // External badges.
     399          $externalhtml = "";
     400          if (!empty($CFG->badges_allowexternalbackpack)) {
     401              $externalhtml .= html_writer::start_tag('div', array('class' => 'generalbox'));
     402              $externalhtml .= $this->output->heading_with_help(get_string('externalbadges', 'badges'), 'externalbadges', 'badges');
     403              if (!is_null($backpack)) {
     404                  if ($backpack->totalcollections == 0) {
     405                      $externalhtml .= get_string('nobackpackcollectionssummary', 'badges', $backpack);
     406                  } else {
     407                      if ($backpack->totalbadges == 0) {
     408                          $externalhtml .= get_string('nobackpackbadgessummary', 'badges', $backpack);
     409                      } else {
     410                          $externalhtml .= get_string('backpackbadgessummary', 'badges', $backpack);
     411                          $externalhtml .= '<br/><br/>' . $this->print_badges_list($backpack->badges, $USER->id, true, true);
     412                      }
     413                  }
     414              } else {
     415                  $externalhtml .= get_string('externalconnectto', 'badges', $mybackpack->out());
     416              }
     417  
     418              $externalhtml .= html_writer::end_tag('div');
     419              $attr = ['class' => 'btn btn-secondary'];
     420              $label = get_string('backpackbadgessettings', 'badges');
     421              $backpacksettings = html_writer::link(new moodle_url('/badges/mybackpack.php'), $label, $attr);
     422              $actionshtml = $this->output->box('', 'col-md-3');
     423              $actionshtml .= $this->output->box($backpacksettings, 'col-md-9');
     424              $actionshtml = $this->output->box($actionshtml, 'row ml-5');
     425              $externalhtml .= $actionshtml;
     426          }
     427  
     428          return $localhtml . $externalhtml;
     429      }
     430  
     431      /**
     432       * Render a collection of badges.
     433       *
     434       * @param \core_badges\output\badge_collection $badges
     435       * @return string
     436       */
     437      protected function render_badge_collection(\core_badges\output\badge_collection $badges) {
     438          $paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
     439          $htmlpagingbar = $this->render($paging);
     440          $table = new html_table();
     441          $table->attributes['class'] = 'table table-bordered table-striped';
     442  
     443          $sortbyname = $this->helper_sortable_heading(get_string('name'),
     444                  'name', $badges->sort, $badges->dir);
     445          $sortbyawarded = $this->helper_sortable_heading(get_string('awardedtoyou', 'badges'),
     446                  'dateissued', $badges->sort, $badges->dir);
     447          $table->head = array(
     448                      get_string('badgeimage', 'badges'),
     449                      $sortbyname,
     450                      get_string('description', 'badges'),
     451                      get_string('bcriteria', 'badges'),
     452                      $sortbyawarded
     453                  );
     454          $table->colclasses = array('badgeimage', 'name', 'description', 'criteria', 'awards');
     455  
     456          foreach ($badges->badges as $badge) {
     457              $badgeimage = print_badge_image($badge, $this->page->context, 'large');
     458              $name = $badge->name;
     459              $description = $badge->description;
     460              $criteria = self::print_badge_criteria($badge);
     461              if ($badge->dateissued) {
     462                  $icon = new pix_icon('i/valid',
     463                              get_string('dateearned', 'badges',
     464                                  userdate($badge->dateissued, get_string('strftimedatefullshort', 'core_langconfig'))));
     465                  $badgeurl = new moodle_url('/badges/badge.php', array('hash' => $badge->uniquehash));
     466                  $awarded = $this->output->action_icon($badgeurl, $icon, null, null, true);
     467              } else {
     468                  $awarded = "";
     469              }
     470              $row = array($badgeimage, $name, $description, $criteria, $awarded);
     471              $table->data[] = $row;
     472          }
     473  
     474          $htmltable = html_writer::table($table);
     475  
     476          return $htmlpagingbar . $htmltable . $htmlpagingbar;
     477      }
     478  
     479      /**
     480       * Render a table of badges.
     481       *
     482       * @param \core_badges\output\badge_management $badges
     483       * @return string
     484       */
     485      protected function render_badge_management(\core_badges\output\badge_management $badges) {
     486          $paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
     487  
     488          // New badge button.
     489          $htmlnew = '';
     490          if (has_capability('moodle/badges:createbadge', $this->page->context)) {
     491              $n['type'] = $this->page->url->get_param('type');
     492              $n['id'] = $this->page->url->get_param('id');
     493              $btn = $this->output->single_button(new moodle_url('newbadge.php', $n), get_string('newbadge', 'badges'));
     494              $htmlnew = $this->output->box($btn);
     495          }
     496  
     497          $htmlpagingbar = $this->render($paging);
     498          $table = new html_table();
     499          $table->attributes['class'] = 'table table-bordered table-striped';
     500  
     501          $sortbyname = $this->helper_sortable_heading(get_string('name'),
     502                  'name', $badges->sort, $badges->dir);
     503          $sortbystatus = $this->helper_sortable_heading(get_string('status', 'badges'),
     504                  'status', $badges->sort, $badges->dir);
     505          $table->head = array(
     506                  $sortbyname,
     507                  $sortbystatus,
     508                  get_string('bcriteria', 'badges'),
     509                  get_string('awards', 'badges'),
     510                  get_string('actions')
     511              );
     512          $table->colclasses = array('name', 'status', 'criteria', 'awards', 'actions');
     513  
     514          foreach ($badges->badges as $b) {
     515              $style = !$b->is_active() ? array('class' => 'dimmed') : array();
     516              $forlink =  print_badge_image($b, $this->page->context) . ' ' .
     517                          html_writer::start_tag('span') . $b->name . html_writer::end_tag('span');
     518              $name = html_writer::link(new moodle_url('/badges/overview.php', array('id' => $b->id)), $forlink, $style);
     519              $status = $b->statstring;
     520              $criteria = self::print_badge_criteria($b, 'short');
     521  
     522              if (has_capability('moodle/badges:viewawarded', $this->page->context)) {
     523                  $awards = html_writer::link(new moodle_url('/badges/recipients.php', array('id' => $b->id)), $b->awards);
     524              } else {
     525                  $awards = $b->awards;
     526              }
     527  
     528              $actions = self::print_badge_table_actions($b, $this->page->context);
     529  
     530              $row = array($name, $status, $criteria, $awards, $actions);
     531              $table->data[] = $row;
     532          }
     533          $htmltable = html_writer::table($table);
     534  
     535          return $htmlnew . $htmlpagingbar . $htmltable . $htmlpagingbar;
     536      }
     537  
     538      /**
     539       * Prints tabs for badge editing.
     540       *
     541       * @param integer $badgeid The badgeid to edit.
     542       * @param context $context The current context.
     543       * @param string $current The currently selected tab.
     544       * @return string
     545       */
     546      public function print_badge_tabs($badgeid, $context, $current = 'overview') {
     547          global $DB;
     548  
     549          $badge = new badge($badgeid);
     550          $row = array();
     551  
     552          $row[] = new tabobject('overview',
     553                      new moodle_url('/badges/overview.php', array('id' => $badgeid)),
     554                      get_string('boverview', 'badges')
     555                  );
     556  
     557          if (has_capability('moodle/badges:configuredetails', $context)) {
     558              $row[] = new tabobject('badge',
     559                          new moodle_url('/badges/edit.php', array('id' => $badgeid, 'action' => 'badge')),
     560                          get_string('bdetails', 'badges')
     561                      );
     562          }
     563  
     564          if (has_capability('moodle/badges:configurecriteria', $context)) {
     565              $row[] = new tabobject('criteria',
     566                          new moodle_url('/badges/criteria.php', array('id' => $badgeid)),
     567                          get_string('bcriteria', 'badges')
     568                      );
     569          }
     570  
     571          if (has_capability('moodle/badges:configuremessages', $context)) {
     572              $row[] = new tabobject('message',
     573                          new moodle_url('/badges/edit.php', array('id' => $badgeid, 'action' => 'message')),
     574                          get_string('bmessage', 'badges')
     575                      );
     576          }
     577  
     578          if (has_capability('moodle/badges:viewawarded', $context)) {
     579              $awarded = $DB->count_records_sql('SELECT COUNT(b.userid)
     580                                                 FROM {badge_issued} b INNER JOIN {user} u ON b.userid = u.id
     581                                                 WHERE b.badgeid = :badgeid AND u.deleted = 0', array('badgeid' => $badgeid));
     582              $row[] = new tabobject('awards',
     583                          new moodle_url('/badges/recipients.php', array('id' => $badgeid)),
     584                          get_string('bawards', 'badges', $awarded)
     585                      );
     586          }
     587  
     588          if (has_capability('moodle/badges:configuredetails', $context)) {
     589              $row[] = new tabobject('bendorsement',
     590                  new moodle_url('/badges/endorsement.php', array('id' => $badgeid)),
     591                  get_string('bendorsement', 'badges')
     592              );
     593          }
     594  
     595          if (has_capability('moodle/badges:configuredetails', $context)) {
     596              $sql = "SELECT COUNT(br.badgeid)
     597                        FROM {badge_related} br
     598                       WHERE (br.badgeid = :badgeid OR br.relatedbadgeid = :badgeid2)";
     599              $related = $DB->count_records_sql($sql, ['badgeid' => $badgeid, 'badgeid2' => $badgeid]);
     600              $row[] = new tabobject('brelated',
     601                  new moodle_url('/badges/related.php', array('id' => $badgeid)),
     602                  get_string('brelated', 'badges', $related)
     603              );
     604          }
     605  
     606          if (has_capability('moodle/badges:configuredetails', $context)) {
     607              $alignments = $DB->count_records_sql("SELECT COUNT(bc.id)
     608                        FROM {badge_alignment} bc WHERE bc.badgeid = :badgeid", array('badgeid' => $badgeid));
     609              $row[] = new tabobject('alignment',
     610                  new moodle_url('/badges/alignment.php', array('id' => $badgeid)),
     611                  get_string('balignment', 'badges', $alignments)
     612              );
     613          }
     614  
     615          echo $this->tabtree($row, $current);
     616      }
     617  
     618      /**
     619       * Prints badge status box.
     620       *
     621       * @param badge $badge
     622       * @return Either the status box html as a string or null
     623       */
     624      public function print_badge_status_box(badge $badge) {
     625          if (has_capability('moodle/badges:configurecriteria', $badge->get_context())) {
     626  
     627              if (!$badge->has_criteria()) {
     628                  $criteriaurl = new moodle_url('/badges/criteria.php', array('id' => $badge->id));
     629                  $status = get_string('nocriteria', 'badges');
     630                  if ($this->page->url != $criteriaurl) {
     631                      $action = $this->output->single_button(
     632                          $criteriaurl,
     633                          get_string('addcriteria', 'badges'), 'POST', array('class' => 'activatebadge'));
     634                  } else {
     635                      $action = '';
     636                  }
     637  
     638                  $message = $status . $action;
     639              } else {
     640                  $status = get_string('statusmessage_' . $badge->status, 'badges');
     641                  if ($badge->is_active()) {
     642                      $action = $this->output->single_button(new moodle_url('/badges/action.php',
     643                                  array('id' => $badge->id, 'lock' => 1, 'sesskey' => sesskey(),
     644                                        'return' => $this->page->url->out_as_local_url(false))),
     645                              get_string('deactivate', 'badges'), 'POST', array('class' => 'activatebadge'));
     646                  } else {
     647                      $action = $this->output->single_button(new moodle_url('/badges/action.php',
     648                                  array('id' => $badge->id, 'activate' => 1, 'sesskey' => sesskey(),
     649                                        'return' => $this->page->url->out_as_local_url(false))),
     650                              get_string('activate', 'badges'), 'POST', array('class' => 'activatebadge'));
     651                  }
     652  
     653                  $message = $status . $this->output->help_icon('status', 'badges') . $action;
     654  
     655              }
     656  
     657              $style = $badge->is_active() ? 'generalbox statusbox active' : 'generalbox statusbox inactive';
     658              return $this->output->box($message, $style);
     659          }
     660  
     661          return null;
     662      }
     663  
     664      /**
     665       * Returns information about badge criteria in a list form.
     666       *
     667       * @param badge $badge Badge objects
     668       * @param string $short Indicates whether to print full info about this badge
     669       * @return string $output HTML string to output
     670       */
     671      public function print_badge_criteria(badge $badge, $short = '') {
     672          $agg = $badge->get_aggregation_methods();
     673          if (empty($badge->criteria)) {
     674              return get_string('nocriteria', 'badges');
     675          }
     676  
     677          $overalldescr = '';
     678          $overall = $badge->criteria[BADGE_CRITERIA_TYPE_OVERALL];
     679          if (!$short && !empty($overall->description)) {
     680              $overalldescr = $this->output->box(
     681                  format_text($overall->description, $overall->descriptionformat, array('context' => $badge->get_context())),
     682                  'criteria-description'
     683                  );
     684          }
     685  
     686          // Get the condition string.
     687          $condition = '';
     688          if (count($badge->criteria) != 2) {
     689              $condition = get_string('criteria_descr_' . $short . BADGE_CRITERIA_TYPE_OVERALL, 'badges',
     690                                        core_text::strtoupper($agg[$badge->get_aggregation_method()]));
     691          }
     692  
     693          unset($badge->criteria[BADGE_CRITERIA_TYPE_OVERALL]);
     694  
     695          $items = array();
     696          // If only one criterion left, make sure its description goe to the top.
     697          if (count($badge->criteria) == 1) {
     698              $c = reset($badge->criteria);
     699              if (!$short && !empty($c->description)) {
     700                  $overalldescr = $this->output->box(
     701                      format_text($c->description, $c->descriptionformat, array('context' => $badge->get_context())),
     702                      'criteria-description'
     703                      );
     704              }
     705              if (count($c->params) == 1) {
     706                  $items[] = get_string('criteria_descr_single_' . $short . $c->criteriatype , 'badges') .
     707                             $c->get_details($short);
     708              } else {
     709                  $items[] = get_string('criteria_descr_' . $short . $c->criteriatype, 'badges',
     710                          core_text::strtoupper($agg[$badge->get_aggregation_method($c->criteriatype)])) .
     711                          $c->get_details($short);
     712              }
     713          } else {
     714              foreach ($badge->criteria as $type => $c) {
     715                  $criteriadescr = '';
     716                  if (!$short && !empty($c->description)) {
     717                      $criteriadescr = $this->output->box(
     718                          format_text($c->description, $c->descriptionformat, array('context' => $badge->get_context())),
     719                          'criteria-description'
     720                          );
     721                  }
     722                  if (count($c->params) == 1) {
     723                      $items[] = get_string('criteria_descr_single_' . $short . $type , 'badges') .
     724                                 $c->get_details($short) . $criteriadescr;
     725                  } else {
     726                      $items[] = get_string('criteria_descr_' . $short . $type , 'badges',
     727                              core_text::strtoupper($agg[$badge->get_aggregation_method($type)])) .
     728                              $c->get_details($short) .
     729                              $criteriadescr;
     730                  }
     731              }
     732          }
     733  
     734          return $overalldescr . $condition . html_writer::alist($items, array(), 'ul');;
     735      }
     736  
     737      /**
     738       * Prints criteria actions for badge editing.
     739       *
     740       * @param badge $badge
     741       * @return string
     742       */
     743      public function print_criteria_actions(badge $badge) {
     744          $output = '';
     745          if (!$badge->is_active() && !$badge->is_locked()) {
     746              $accepted = $badge->get_accepted_criteria();
     747              $potential = array_diff($accepted, array_keys($badge->criteria));
     748  
     749              if (!empty($potential)) {
     750                  foreach ($potential as $p) {
     751                      if ($p != 0) {
     752                          $select[$p] = get_string('criteria_' . $p, 'badges');
     753                      }
     754                  }
     755                  $output .= $this->output->single_select(
     756                      new moodle_url('/badges/criteria_settings.php', array('badgeid' => $badge->id, 'add' => true)),
     757                      'type',
     758                      $select,
     759                      '',
     760                      array('' => 'choosedots'),
     761                      null,
     762                      array('label' => get_string('addbadgecriteria', 'badges'))
     763                  );
     764              } else {
     765                  $output .= $this->output->box(get_string('nothingtoadd', 'badges'), 'clearfix');
     766              }
     767          }
     768  
     769          return $output;
     770      }
     771  
     772      /**
     773       * Renders a table with users who have earned the badge.
     774       * Based on stamps collection plugin.
     775       *
     776       * @param \core_badges\output\badge_recipients $recipients
     777       * @return string
     778       */
     779      protected function render_badge_recipients(\core_badges\output\badge_recipients $recipients) {
     780          $paging = new paging_bar($recipients->totalcount, $recipients->page, $recipients->perpage, $this->page->url, 'page');
     781          $htmlpagingbar = $this->render($paging);
     782          $table = new html_table();
     783          $table->attributes['class'] = 'generaltable boxaligncenter boxwidthwide';
     784  
     785          $sortbyfirstname = $this->helper_sortable_heading(get_string('firstname'),
     786                  'firstname', $recipients->sort, $recipients->dir);
     787          $sortbylastname = $this->helper_sortable_heading(get_string('lastname'),
     788                  'lastname', $recipients->sort, $recipients->dir);
     789          if ($this->helper_fullname_format() == 'lf') {
     790              $sortbyname = $sortbylastname . ' / ' . $sortbyfirstname;
     791          } else {
     792              $sortbyname = $sortbyfirstname . ' / ' . $sortbylastname;
     793          }
     794  
     795          $sortbydate = $this->helper_sortable_heading(get_string('dateawarded', 'badges'),
     796                  'dateissued', $recipients->sort, $recipients->dir);
     797  
     798          $table->head = array($sortbyname, $sortbydate, '');
     799  
     800          foreach ($recipients->userids as $holder) {
     801              $fullname = fullname($holder);
     802              $fullname = html_writer::link(
     803                              new moodle_url('/user/profile.php', array('id' => $holder->userid)),
     804                              $fullname
     805                          );
     806              $awarded  = userdate($holder->dateissued);
     807              $badgeurl = html_writer::link(
     808                              new moodle_url('/badges/badge.php', array('hash' => $holder->uniquehash)),
     809                              get_string('viewbadge', 'badges')
     810                          );
     811  
     812              $row = array($fullname, $awarded, $badgeurl);
     813              $table->data[] = $row;
     814          }
     815  
     816          $htmltable = html_writer::table($table);
     817  
     818          return $htmlpagingbar . $htmltable . $htmlpagingbar;
     819      }
     820  
     821      ////////////////////////////////////////////////////////////////////////////
     822      // Helper methods
     823      // Reused from stamps collection plugin
     824      ////////////////////////////////////////////////////////////////////////////
     825  
     826      /**
     827       * Renders a text with icons to sort by the given column
     828       *
     829       * This is intended for table headings.
     830       *
     831       * @param string $text    The heading text
     832       * @param string $sortid  The column id used for sorting
     833       * @param string $sortby  Currently sorted by (column id)
     834       * @param string $sorthow Currently sorted how (ASC|DESC)
     835       *
     836       * @return string
     837       */
     838      protected function helper_sortable_heading($text, $sortid = null, $sortby = null, $sorthow = null) {
     839          $out = html_writer::tag('span', $text, array('class' => 'text'));
     840  
     841          if (!is_null($sortid)) {
     842              if ($sortby !== $sortid || $sorthow !== 'ASC') {
     843                  $url = new moodle_url($this->page->url);
     844                  $url->params(array('sort' => $sortid, 'dir' => 'ASC'));
     845                  $out .= $this->output->action_icon($url,
     846                          new pix_icon('t/sort_asc', get_string('sortbyx', 'core', s($text)), null, array('class' => 'iconsort')));
     847              }
     848              if ($sortby !== $sortid || $sorthow !== 'DESC') {
     849                  $url = new moodle_url($this->page->url);
     850                  $url->params(array('sort' => $sortid, 'dir' => 'DESC'));
     851                  $out .= $this->output->action_icon($url,
     852                          new pix_icon('t/sort_desc', get_string('sortbyxreverse', 'core', s($text)), null, array('class' => 'iconsort')));
     853              }
     854          }
     855          return $out;
     856      }
     857      /**
     858       * Tries to guess the fullname format set at the site
     859       *
     860       * @return string fl|lf
     861       */
     862      protected function helper_fullname_format() {
     863          $fake = new stdClass();
     864          $fake->lastname = 'LLLL';
     865          $fake->firstname = 'FFFF';
     866          $fullname = get_string('fullnamedisplay', '', $fake);
     867          if (strpos($fullname, 'LLLL') < strpos($fullname, 'FFFF')) {
     868              return 'lf';
     869          } else {
     870              return 'fl';
     871          }
     872      }
     873      /**
     874       * Renders a search form
     875       *
     876       * @param string $search Search string
     877       * @return string HTML
     878       */
     879      protected function helper_search_form($search) {
     880          global $CFG;
     881          require_once($CFG->libdir . '/formslib.php');
     882  
     883          $mform = new MoodleQuickForm('searchform', 'POST', $this->page->url);
     884  
     885          $mform->addElement('hidden', 'sesskey', sesskey());
     886  
     887          $el[] = $mform->createElement('text', 'search', get_string('search'), array('size' => 20));
     888          $mform->setDefault('search', $search);
     889          $el[] = $mform->createElement('submit', 'submitsearch', get_string('search'));
     890          $el[] = $mform->createElement('submit', 'clearsearch', get_string('clear'));
     891          $mform->addGroup($el, 'searchgroup', get_string('searchname', 'badges'), ' ', false);
     892  
     893          ob_start();
     894          $mform->display();
     895          $out = ob_get_clean();
     896  
     897          return $out;
     898      }
     899  
     900      /**
     901       * Renders a definition list
     902       *
     903       * @param array $items the list of items to define
     904       * @param array
     905       */
     906      protected function definition_list(array $items, array $attributes = array()) {
     907          $output = html_writer::start_tag('dl', $attributes);
     908          foreach ($items as $label => $value) {
     909              $output .= html_writer::tag('dt', $label);
     910              $output .= html_writer::tag('dd', $value);
     911          }
     912          $output .= html_writer::end_tag('dl');
     913          return $output;
     914      }
     915  
     916      /**
     917       * Outputs list en badges.
     918       *
     919       * @param badge $badge Badge object.
     920       * @return string $output content endorsement to output.
     921       */
     922      protected function print_badge_endorsement(badge $badge) {
     923          $output = '';
     924          $endorsement = $badge->get_endorsement();
     925          $dl = array();
     926          $output .= $this->heading(get_string('endorsement', 'badges'), 3);
     927          if (!empty($endorsement)) {
     928              $dl[get_string('issuername', 'badges')] = $endorsement->issuername;
     929              $dl[get_string('issueremail', 'badges')] =
     930                  html_writer::tag('a', $endorsement->issueremail, array('href' => 'mailto:' . $endorsement->issueremail));
     931              $dl[get_string('issuerurl', 'badges')] = html_writer::link($endorsement->issuerurl, $endorsement->issuerurl,
     932                  array('target' => '_blank'));
     933              $dl[get_string('dateawarded', 'badges')] = userdate($endorsement->dateissued);
     934              $dl[get_string('claimid', 'badges')] = html_writer::link($endorsement->claimid, $endorsement->claimid,
     935              array('target' => '_blank'));
     936              $dl[get_string('claimcomment', 'badges')] = $endorsement->claimcomment;
     937              $output .= $this->definition_list($dl);
     938          } else {
     939              $output .= get_string('noendorsement', 'badges');
     940          }
     941          return $output;
     942      }
     943  
     944      /**
     945       * Print list badges related.
     946       *
     947       * @param badge $badge Badge objects.
     948       * @return string $output List related badges to output.
     949       */
     950      protected function print_badge_related(badge $badge) {
     951          $output = '';
     952          $relatedbadges = $badge->get_related_badges();
     953          $output .= $this->heading(get_string('relatedbages', 'badges'), 3);
     954          if (!empty($relatedbadges)) {
     955              $items = array();
     956              foreach ($relatedbadges as $related) {
     957                  $relatedurl = new moodle_url('/badges/overview.php', array('id' => $related->id));
     958                  $items[] = html_writer::link($relatedurl->out(), $related->name, array('target' => '_blank'));
     959              }
     960              $output .= html_writer::alist($items, array(), 'ul');
     961          } else {
     962              $output .= get_string('norelated', 'badges');
     963          }
     964          return $output;
     965      }
     966  
     967      /**
     968       * Print list badge alignments.
     969       *
     970       * @param badge $badge Badge objects.
     971       * @return string $output List alignments to output.
     972       */
     973      protected function print_badge_alignments(badge $badge) {
     974          $output = '';
     975          $output .= $this->heading(get_string('alignment', 'badges'), 3);
     976          $alignments = $badge->get_alignments();
     977          if (!empty($alignments)) {
     978              $items = array();
     979              foreach ($alignments as $alignment) {
     980                  $urlaligment = new moodle_url('alignment.php',
     981                      array('id' => $badge->id, 'alignmentid' => $alignment->id)
     982                  );
     983                  $items[] = html_writer::link($urlaligment, $alignment->targetname, array('target' => '_blank'));
     984              }
     985              $output .= html_writer::alist($items, array(), 'ul');
     986          } else {
     987              $output .= get_string('noalignment', 'badges');
     988          }
     989          return $output;
     990      }
     991  
     992      /**
     993       * Renders a table for related badges.
     994       *
     995       * @param \core_badges\output\badge_related $related list related badges.
     996       * @return string list related badges to output.
     997       */
     998      protected function render_badge_related(\core_badges\output\badge_related $related) {
     999          $currentbadge = new badge($related->currentbadgeid);
    1000          $languages = get_string_manager()->get_list_of_languages();
    1001          $paging = new paging_bar($related->totalcount, $related->page, $related->perpage, $this->page->url, 'page');
    1002          $htmlpagingbar = $this->render($paging);
    1003          $table = new html_table();
    1004          $table->attributes['class'] = 'generaltable boxaligncenter boxwidthwide';
    1005          $table->head = array(
    1006              get_string('name'),
    1007              get_string('version', 'badges'),
    1008              get_string('language', 'badges'),
    1009              get_string('type', 'badges')
    1010          );
    1011          if (!$currentbadge->is_active() && !$currentbadge->is_locked()) {
    1012              array_push($table->head, '');
    1013          }
    1014  
    1015          foreach ($related->badges as $badge) {
    1016              $badgeobject = new badge($badge->id);
    1017              $style = array('title' => $badgeobject->name);
    1018              if (!$badgeobject->is_active()) {
    1019                  $style['class'] = 'dimmed';
    1020              }
    1021              $context = ($badgeobject->type == BADGE_TYPE_SITE) ?
    1022                  context_system::instance() : context_course::instance($badgeobject->courseid);
    1023              $forlink = print_badge_image($badgeobject, $context) . ' ' .
    1024                  html_writer::start_tag('span') . $badgeobject->name . html_writer::end_tag('span');
    1025              $name = html_writer::link(new moodle_url('/badges/overview.php', array('id' => $badgeobject->id)), $forlink, $style);
    1026  
    1027              $row = array(
    1028                  $name,
    1029                  $badge->version,
    1030                  $badge->language ? $languages[$badge->language] : '',
    1031                  $badge->type == BADGE_TYPE_COURSE ? get_string('badgesview', 'badges') : get_string('sitebadges', 'badges')
    1032              );
    1033              if (!$currentbadge->is_active() && !$currentbadge->is_locked()) {
    1034                  $action = $this->output->action_icon(
    1035                      new moodle_url('/badges/related_action.php', [
    1036                          'badgeid' => $related->currentbadgeid,
    1037                          'relatedid' => $badge->id,
    1038                          'sesskey' => sesskey(),
    1039                          'action' => 'remove'
    1040                      ]),
    1041                      new pix_icon('t/delete', get_string('delete')));
    1042                  $actions = html_writer::tag('div', $action, array('class' => 'badge-actions'));
    1043                  array_push($row, $actions);
    1044              }
    1045              $table->data[] = $row;
    1046          }
    1047          $htmltable = html_writer::table($table);
    1048  
    1049          return $htmlpagingbar . $htmltable . $htmlpagingbar;
    1050      }
    1051  
    1052      /**
    1053       * Renders a table with alignment.
    1054       *
    1055       * @param core_badges\output\badge_alignments $alignments List alignments.
    1056       * @return string List alignment to output.
    1057       */
    1058      protected function render_badge_alignments(\core_badges\output\badge_alignments $alignments) {
    1059          $currentbadge = new badge($alignments->currentbadgeid);
    1060          $paging = new paging_bar($alignments->totalcount, $alignments->page, $alignments->perpage, $this->page->url, 'page');
    1061          $htmlpagingbar = $this->render($paging);
    1062          $table = new html_table();
    1063          $table->attributes['class'] = 'generaltable boxaligncenter boxwidthwide';
    1064          $table->head = array('Name', 'URL', '');
    1065  
    1066          foreach ($alignments->alignments as $item) {
    1067              $urlaligment = new moodle_url('alignment.php',
    1068                  array(
    1069                      'id' => $currentbadge->id,
    1070                      'alignmentid' => $item->id,
    1071                  )
    1072              );
    1073              $row = array(
    1074                  html_writer::link($urlaligment, $item->targetname),
    1075                  html_writer::link($item->targeturl, $item->targeturl, array('target' => '_blank'))
    1076              );
    1077              if (!$currentbadge->is_active() && !$currentbadge->is_locked()) {
    1078                  $delete = $this->output->action_icon(
    1079                      new moodle_url('/badges/alignment_action.php', [
    1080                          'id' => $currentbadge->id,
    1081                          'alignmentid' => $item->id,
    1082                          'sesskey' => sesskey(),
    1083                          'action' => 'remove'
    1084                      ]),
    1085                      new pix_icon('t/delete', get_string('delete'))
    1086                  );
    1087                  $edit = $this->output->action_icon(
    1088                      new moodle_url('alignment.php',
    1089                          array(
    1090                              'id' => $currentbadge->id,
    1091                              'alignmentid' => $item->id,
    1092                              'action' => 'edit'
    1093                          )
    1094                      ), new pix_icon('t/edit', get_string('edit')));
    1095                  $actions = html_writer::tag('div', $edit . $delete, array('class' => 'badge-actions'));
    1096                  array_push($row, $actions);
    1097              }
    1098              $table->data[] = $row;
    1099          }
    1100          $htmltable = html_writer::table($table);
    1101  
    1102          return $htmlpagingbar . $htmltable . $htmlpagingbar;
    1103      }
    1104  
    1105      /**
    1106       * Defer to template.
    1107       *
    1108       * @param \core_badges\output\external_backpacks_page $page
    1109       * @return bool|string
    1110       */
    1111      public function render_external_backpacks_page(\core_badges\output\external_backpacks_page $page) {
    1112          $data = $page->export_for_template($this);
    1113          return parent::render_from_template('core_badges/external_backpacks_page', $data);
    1114      }
    1115  
    1116      /**
    1117       * Get the result of a backpack validation with its settings. It returns:
    1118       * - A informative message if the backpack version is different from OBv2.
    1119       * - A warning with the error if it's not possible to connect to this backpack.
    1120       * - A successful message if the connection has worked.
    1121       *
    1122       * @param  int    $backpackid The backpack identifier.
    1123       * @return string A message with the validation result.
    1124       */
    1125      public function render_test_backpack_result(int $backpackid): string {
    1126          // Get the backpack.
    1127          $backpack = badges_get_site_backpack($backpackid);
    1128  
    1129          // Add the header to the result.
    1130          $result = $this->heading(get_string('testbackpack', 'badges', $backpack->backpackweburl));
    1131  
    1132          if ($backpack->apiversion != OPEN_BADGES_V2) {
    1133              // Only OBv2 supports this validation.
    1134              $result .= get_string('backpackconnectionnottested', 'badges');
    1135          } else {
    1136              $message = badges_verify_backpack($backpackid);
    1137              if (empty($message)) {
    1138                  $result .= get_string('backpackconnectionok', 'badges');
    1139              } else {
    1140                  $result .= $message;
    1141              }
    1142          }
    1143  
    1144          return $result;
    1145      }
    1146  }