[ Index ]

PHP Cross Reference of moodle-2.8

title

Body

[close]

/badges/ -> renderer.php (source)

   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 <[email protected]>
  25   */
  26  
  27  require_once($CFG->libdir . '/badgeslib.php');
  28  require_once($CFG->libdir . '/tablelib.php');
  29  
  30  /**
  31   * Standard HTML output renderer for badges
  32   */
  33  class core_badges_renderer extends plugin_renderer_base {
  34  
  35      // Outputs badges list.
  36      public function print_badges_list($badges, $userid, $profile = false, $external = false) {
  37          global $USER, $CFG;
  38          foreach ($badges as $badge) {
  39              if (!$external) {
  40                  $context = ($badge->type == BADGE_TYPE_SITE) ? context_system::instance() : context_course::instance($badge->courseid);
  41                  $bname = $badge->name;
  42                  $imageurl = moodle_url::make_pluginfile_url($context->id, 'badges', 'badgeimage', $badge->id, '/', 'f1', false);
  43              } else {
  44                  $bname = s($badge->assertion->badge->name);
  45                  $imageurl = $badge->imageUrl;
  46              }
  47  
  48              $name = html_writer::tag('span', $bname, array('class' => 'badge-name'));
  49  
  50              $image = html_writer::empty_tag('img', array('src' => $imageurl, 'class' => 'badge-image'));
  51              if (!empty($badge->dateexpire) && $badge->dateexpire < time()) {
  52                  $image .= $this->output->pix_icon('i/expired',
  53                          get_string('expireddate', 'badges', userdate($badge->dateexpire)),
  54                          'moodle',
  55                          array('class' => 'expireimage'));
  56                  $name .= '(' . get_string('expired', 'badges') . ')';
  57              }
  58  
  59              $download = $status = $push = '';
  60              if (($userid == $USER->id) && !$profile) {
  61                  $url = new moodle_url('mybadges.php', array('download' => $badge->id, 'hash' => $badge->uniquehash, 'sesskey' => sesskey()));
  62                  $notexpiredbadge = (empty($badge->dateexpire) || $badge->dateexpire > time());
  63                  $backpackexists = badges_user_has_backpack($USER->id);
  64                  if (!empty($CFG->badges_allowexternalbackpack) && $notexpiredbadge && $backpackexists) {
  65                      $assertion = new moodle_url('/badges/assertion.php', array('b' => $badge->uniquehash));
  66                      $action = new component_action('click', 'addtobackpack', array('assertion' => $assertion->out(false)));
  67                      $push = $this->output->action_icon(new moodle_url('#'), new pix_icon('t/backpack', get_string('addtobackpack', 'badges')), $action);
  68                  }
  69  
  70                  $download = $this->output->action_icon($url, new pix_icon('t/download', get_string('download')));
  71                  if ($badge->visible) {
  72                      $url = new moodle_url('mybadges.php', array('hide' => $badge->issuedid, 'sesskey' => sesskey()));
  73                      $status = $this->output->action_icon($url, new pix_icon('t/hide', get_string('makeprivate', 'badges')));
  74                  } else {
  75                      $url = new moodle_url('mybadges.php', array('show' => $badge->issuedid, 'sesskey' => sesskey()));
  76                      $status = $this->output->action_icon($url, new pix_icon('t/show', get_string('makepublic', 'badges')));
  77                  }
  78              }
  79  
  80              if (!$profile) {
  81                  $url = new moodle_url('badge.php', array('hash' => $badge->uniquehash));
  82              } else {
  83                  if (!$external) {
  84                      $url = new moodle_url('/badges/badge.php', array('hash' => $badge->uniquehash));
  85                  } else {
  86                      $hash = hash('md5', $badge->hostedUrl);
  87                      $url = new moodle_url('/badges/external.php', array('hash' => $hash, 'user' => $userid));
  88                  }
  89              }
  90              $actions = html_writer::tag('div', $push . $download . $status, array('class' => 'badge-actions'));
  91              $items[] = html_writer::link($url, $image . $actions . $name, array('title' => $bname));
  92          }
  93  
  94          return html_writer::alist($items, array('class' => 'badges'));
  95      }
  96  
  97      // Recipients selection form.
  98      public function recipients_selection_form(user_selector_base $existinguc, user_selector_base $potentialuc) {
  99          $output = '';
 100          $formattributes = array();
 101          $formattributes['id'] = 'recipientform';
 102          $formattributes['action'] = $this->page->url;
 103          $formattributes['method'] = 'post';
 104          $output .= html_writer::start_tag('form', $formattributes);
 105          $output .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
 106  
 107          $existingcell = new html_table_cell();
 108          $existingcell->text = $existinguc->display(true);
 109          $existingcell->attributes['class'] = 'existing';
 110          $actioncell = new html_table_cell();
 111          $actioncell->text  = html_writer::start_tag('div', array());
 112          $actioncell->text .= html_writer::empty_tag('input', array(
 113                      'type' => 'submit',
 114                      'name' => 'award',
 115                      'value' => $this->output->larrow() . ' ' . get_string('award', 'badges'),
 116                      'class' => 'actionbutton')
 117                  );
 118          $actioncell->text .= html_writer::end_tag('div', array());
 119          $actioncell->attributes['class'] = 'actions';
 120          $potentialcell = new html_table_cell();
 121          $potentialcell->text = $potentialuc->display(true);
 122          $potentialcell->attributes['class'] = 'potential';
 123  
 124          $table = new html_table();
 125          $table->attributes['class'] = 'recipienttable boxaligncenter';
 126          $table->data = array(new html_table_row(array($existingcell, $actioncell, $potentialcell)));
 127          $output .= html_writer::table($table);
 128  
 129          $output .= html_writer::end_tag('form');
 130          return $output;
 131      }
 132  
 133      // Prints a badge overview infomation.
 134      public function print_badge_overview($badge, $context) {
 135          $display = "";
 136  
 137          // Badge details.
 138  
 139          $display .= $this->heading(get_string('badgedetails', 'badges'), 3);
 140          $dl = array();
 141          $dl[get_string('name')] = $badge->name;
 142          $dl[get_string('description', 'badges')] = $badge->description;
 143          $dl[get_string('createdon', 'search')] = $badge->timecreated;
 144          $dl[get_string('badgeimage', 'badges')] = print_badge_image($badge, $context, 'large');
 145          $display .= $this->definition_list($dl);
 146  
 147          // Issuer details.
 148          $display .= $this->heading(get_string('issuerdetails', 'badges'), 3);
 149          $dl = array();
 150          $dl[get_string('issuername', 'badges')] = $badge->issuername;
 151          $dl[get_string('contact', 'badges')] = html_writer::tag('a', $badge->issuercontact, array('href' => 'mailto:' . $badge->issuercontact));
 152          $display .= $this->definition_list($dl);
 153  
 154          // Issuance details if any.
 155          $display .= $this->heading(get_string('issuancedetails', 'badges'), 3);
 156          if ($badge->can_expire()) {
 157              if ($badge->expiredate) {
 158                  $display .= get_string('expiredate', 'badges', userdate($badge->expiredate));
 159              } else if ($badge->expireperiod) {
 160                  if ($badge->expireperiod < 60) {
 161                      $display .= get_string('expireperiods', 'badges', round($badge->expireperiod, 2));
 162                  } else if ($badge->expireperiod < 60 * 60) {
 163                      $display .= get_string('expireperiodm', 'badges', round($badge->expireperiod / 60, 2));
 164                  } else if ($badge->expireperiod < 60 * 60 * 24) {
 165                      $display .= get_string('expireperiodh', 'badges', round($badge->expireperiod / 60 / 60, 2));
 166                  } else {
 167                      $display .= get_string('expireperiod', 'badges', round($badge->expireperiod / 60 / 60 / 24, 2));
 168                  }
 169              }
 170          } else {
 171              $display .= get_string('noexpiry', 'badges');
 172          }
 173  
 174          // Criteria details if any.
 175          $display .= $this->heading(get_string('bcriteria', 'badges'), 3);
 176          if ($badge->has_criteria()) {
 177              $display .= self::print_badge_criteria($badge);
 178          } else {
 179              $display .= get_string('nocriteria', 'badges');
 180              if (has_capability('moodle/badges:configurecriteria', $context)) {
 181                  $display .= $this->output->single_button(
 182                      new moodle_url('/badges/criteria.php', array('id' => $badge->id)),
 183                      get_string('addcriteria', 'badges'), 'POST', array('class' => 'activatebadge'));
 184              }
 185          }
 186  
 187          // Awards details if any.
 188          if (has_capability('moodle/badges:viewawarded', $context)) {
 189              $display .= $this->heading(get_string('awards', 'badges'), 3);
 190              if ($badge->has_awards()) {
 191                  $url = new moodle_url('/badges/recipients.php', array('id' => $badge->id));
 192                  $a = new stdClass();
 193                  $a->link = $url->out();
 194                  $a->count = count($badge->get_awards());
 195                  $display .= get_string('numawards', 'badges', $a);
 196              } else {
 197                  $display .= get_string('noawards', 'badges');
 198              }
 199  
 200              if (has_capability('moodle/badges:awardbadge', $context) &&
 201                  $badge->has_manual_award_criteria() &&
 202                  $badge->is_active()) {
 203                  $display .= $this->output->single_button(
 204                          new moodle_url('/badges/award.php', array('id' => $badge->id)),
 205                          get_string('award', 'badges'), 'POST', array('class' => 'activatebadge'));
 206              }
 207          }
 208  
 209          return html_writer::div($display, null, array('id' => 'badge-overview'));
 210      }
 211  
 212      // Prints action icons for the badge.
 213      public function print_badge_table_actions($badge, $context) {
 214          $actions = "";
 215  
 216          if (has_capability('moodle/badges:configuredetails', $context) && $badge->has_criteria()) {
 217              // Activate/deactivate badge.
 218              if ($badge->status == BADGE_STATUS_INACTIVE || $badge->status == BADGE_STATUS_INACTIVE_LOCKED) {
 219                  // "Activate" will go to another page and ask for confirmation.
 220                  $url = new moodle_url('/badges/action.php');
 221                  $url->param('id', $badge->id);
 222                  $url->param('activate', true);
 223                  $url->param('sesskey', sesskey());
 224                  $return = new moodle_url(qualified_me());
 225                  $url->param('return', $return->out_as_local_url(false));
 226                  $actions .= $this->output->action_icon($url, new pix_icon('t/show', get_string('activate', 'badges'))) . " ";
 227              } else {
 228                  $url = new moodle_url(qualified_me());
 229                  $url->param('lock', $badge->id);
 230                  $url->param('sesskey', sesskey());
 231                  $actions .= $this->output->action_icon($url, new pix_icon('t/hide', get_string('deactivate', 'badges'))) . " ";
 232              }
 233          }
 234  
 235          // Award badge manually.
 236          if ($badge->has_manual_award_criteria() &&
 237                  has_capability('moodle/badges:awardbadge', $context) &&
 238                  $badge->is_active()) {
 239              $url = new moodle_url('/badges/award.php', array('id' => $badge->id));
 240              $actions .= $this->output->action_icon($url, new pix_icon('t/award', get_string('award', 'badges'))) . " ";
 241          }
 242  
 243          // Edit badge.
 244          if (has_capability('moodle/badges:configuredetails', $context)) {
 245              $url = new moodle_url('/badges/edit.php', array('id' => $badge->id, 'action' => 'details'));
 246              $actions .= $this->output->action_icon($url, new pix_icon('t/edit', get_string('edit'))) . " ";
 247          }
 248  
 249          // Duplicate badge.
 250          if (has_capability('moodle/badges:createbadge', $context)) {
 251              $url = new moodle_url('/badges/action.php', array('copy' => '1', 'id' => $badge->id, 'sesskey' => sesskey()));
 252              $actions .= $this->output->action_icon($url, new pix_icon('t/copy', get_string('copy'))) . " ";
 253          }
 254  
 255          // Delete badge.
 256          if (has_capability('moodle/badges:deletebadge', $context)) {
 257              $url = new moodle_url(qualified_me());
 258              $url->param('delete', $badge->id);
 259              $actions .= $this->output->action_icon($url, new pix_icon('t/delete', get_string('delete'))) . " ";
 260          }
 261  
 262          return $actions;
 263      }
 264  
 265      // Outputs issued badge with actions available.
 266      protected function render_issued_badge(issued_badge $ibadge) {
 267          global $USER, $CFG, $DB, $SITE;
 268          $issued = $ibadge->issued;
 269          $userinfo = $ibadge->recipient;
 270          $badgeclass = $ibadge->badgeclass;
 271          $badge = new badge($ibadge->badgeid);
 272          $now = time();
 273          $expiration = isset($issued['expires']) ? $issued['expires'] : $now + 86400;
 274  
 275          $output = '';
 276          $output .= html_writer::start_tag('div', array('id' => 'badge'));
 277          $output .= html_writer::start_tag('div', array('id' => 'badge-image'));
 278          $output .= html_writer::empty_tag('img', array('src' => $badgeclass['image'], 'alt' => $badge->name));
 279          if ($expiration < $now) {
 280              $output .= $this->output->pix_icon('i/expired',
 281              get_string('expireddate', 'badges', userdate($issued['expires'])),
 282                  'moodle',
 283                  array('class' => 'expireimage'));
 284          }
 285  
 286          if ($USER->id == $userinfo->id && !empty($CFG->enablebadges)) {
 287              $output .= $this->output->single_button(
 288                          new moodle_url('/badges/badge.php', array('hash' => $issued['uid'], 'bake' => true)),
 289                          get_string('download'),
 290                          'POST');
 291              if (!empty($CFG->badges_allowexternalbackpack) && ($expiration > $now) && badges_user_has_backpack($USER->id)) {
 292                  $assertion = new moodle_url('/badges/assertion.php', array('b' => $issued['uid']));
 293                  $action = new component_action('click', 'addtobackpack', array('assertion' => $assertion->out(false)));
 294                  $attributes = array(
 295                          'type'  => 'button',
 296                          'id'    => 'addbutton',
 297                          'value' => get_string('addtobackpack', 'badges'));
 298                  $tobackpack = html_writer::tag('input', '', $attributes);
 299                  $this->output->add_action_handler($action, 'addbutton');
 300                  $output .= $tobackpack;
 301              }
 302          }
 303          $output .= html_writer::end_tag('div');
 304  
 305          $output .= html_writer::start_tag('div', array('id' => 'badge-details'));
 306          // Recipient information.
 307          $output .= $this->output->heading(get_string('recipientdetails', 'badges'), 3);
 308          $dl = array();
 309          if ($userinfo->deleted) {
 310              $strdata = new stdClass();
 311              $strdata->user = fullname($userinfo);
 312              $strdata->site = format_string($SITE->fullname, true, array('context' => context_system::instance()));
 313  
 314              $dl[get_string('name')] = get_string('error:userdeleted', 'badges', $strdata);
 315          } else {
 316              $dl[get_string('name')] = fullname($userinfo);
 317          }
 318          $output .= $this->definition_list($dl);
 319  
 320          $output .= $this->output->heading(get_string('issuerdetails', 'badges'), 3);
 321          $dl = array();
 322          $dl[get_string('issuername', 'badges')] = $badge->issuername;
 323          if (isset($badge->issuercontact) && !empty($badge->issuercontact)) {
 324              $dl[get_string('contact', 'badges')] = obfuscate_mailto($badge->issuercontact);
 325          }
 326          $output .= $this->definition_list($dl);
 327  
 328          $output .= $this->output->heading(get_string('badgedetails', 'badges'), 3);
 329          $dl = array();
 330          $dl[get_string('name')] = $badge->name;
 331          $dl[get_string('description', 'badges')] = $badge->description;
 332  
 333          if ($badge->type == BADGE_TYPE_COURSE && isset($badge->courseid)) {
 334              $coursename = $DB->get_field('course', 'fullname', array('id' => $badge->courseid));
 335              $dl[get_string('course')] = $coursename;
 336          }
 337          $dl[get_string('bcriteria', 'badges')] = self::print_badge_criteria($badge);
 338          $output .= $this->definition_list($dl);
 339  
 340          $output .= $this->output->heading(get_string('issuancedetails', 'badges'), 3);
 341          $dl = array();
 342          $dl[get_string('dateawarded', 'badges')] = userdate($issued['issuedOn']);
 343          if (isset($issued['expires'])) {
 344              if ($issued['expires'] < $now) {
 345                  $dl[get_string('expirydate', 'badges')] = userdate($issued['expires']) . get_string('warnexpired', 'badges');
 346  
 347              } else {
 348                  $dl[get_string('expirydate', 'badges')] = userdate($issued['expires']);
 349              }
 350          }
 351  
 352          // Print evidence.
 353          $agg = $badge->get_aggregation_methods();
 354          $evidence = $badge->get_criteria_completions($userinfo->id);
 355          $eids = array_map(create_function('$o', 'return $o->critid;'), $evidence);
 356          unset($badge->criteria[BADGE_CRITERIA_TYPE_OVERALL]);
 357  
 358          $items = array();
 359          foreach ($badge->criteria as $type => $c) {
 360              if (in_array($c->id, $eids)) {
 361                  if (count($c->params) == 1) {
 362                      $items[] = get_string('criteria_descr_single_' . $type , 'badges') . $c->get_details();
 363                  } else {
 364                      $items[] = get_string('criteria_descr_' . $type , 'badges',
 365                              core_text::strtoupper($agg[$badge->get_aggregation_method($type)])) . $c->get_details();
 366                  }
 367              }
 368          }
 369  
 370          $dl[get_string('evidence', 'badges')] = get_string('completioninfo', 'badges') . html_writer::alist($items, array(), 'ul');
 371          $output .= $this->definition_list($dl);
 372          $output .= html_writer::end_tag('div');
 373  
 374          return $output;
 375      }
 376  
 377      // Outputs external badge.
 378      protected function render_external_badge(external_badge $ibadge) {
 379          $issued = $ibadge->issued;
 380          $assertion = $issued->assertion;
 381          $issuer = $assertion->badge->issuer;
 382          $userinfo = $ibadge->recipient;
 383          $table = new html_table();
 384          $today = strtotime(date('Y-m-d'));
 385  
 386          $output = '';
 387          $output .= html_writer::start_tag('div', array('id' => 'badge'));
 388          $output .= html_writer::start_tag('div', array('id' => 'badge-image'));
 389          $output .= html_writer::empty_tag('img', array('src' => $issued->imageUrl));
 390          if (isset($assertion->expires)) {
 391              $expiration = !strtotime($assertion->expires) ? s($assertion->expires) : strtotime($assertion->expires);
 392              if ($expiration < $today) {
 393                  $output .= $this->output->pix_icon('i/expired',
 394                          get_string('expireddate', 'badges', userdate($expiration)),
 395                          'moodle',
 396                          array('class' => 'expireimage'));
 397              }
 398          }
 399          $output .= html_writer::end_tag('div');
 400  
 401          $output .= html_writer::start_tag('div', array('id' => 'badge-details'));
 402  
 403          // Recipient information.
 404          $output .= $this->output->heading(get_string('recipientdetails', 'badges'), 3);
 405          $dl = array();
 406          // Technically, we should alway have a user at this point, but added an extra check just in case.
 407          if ($userinfo) {
 408              if (!$ibadge->valid) {
 409                  $notify = $this->output->notification(get_string('recipientvalidationproblem', 'badges'), 'notifynotice');
 410                  $dl[get_string('name')] = fullname($userinfo) . $notify;
 411              } else {
 412                  $dl[get_string('name')] = fullname($userinfo);
 413              }
 414          } else {
 415              $notify = $this->output->notification(get_string('recipientidentificationproblem', 'badges'), 'notifynotice');
 416              $dl[get_string('name')] = $notify;
 417          }
 418          $output .= $this->definition_list($dl);
 419  
 420          $output .= $this->output->heading(get_string('issuerdetails', 'badges'), 3);
 421          $dl = array();
 422          $dl[get_string('issuername', 'badges')] = s($issuer->name);
 423          $dl[get_string('issuerurl', 'badges')] = html_writer::tag('a', $issuer->origin, array('href' => $issuer->origin));
 424  
 425          if (isset($issuer->contact)) {
 426              $dl[get_string('contact', 'badges')] = obfuscate_mailto($issuer->contact);
 427          }
 428          $output .= $this->definition_list($dl);
 429  
 430          $output .= $this->output->heading(get_string('badgedetails', 'badges'), 3);
 431          $dl = array();
 432          $dl[get_string('name')] = s($assertion->badge->name);
 433          $dl[get_string('description', 'badges')] = s($assertion->badge->description);
 434          $dl[get_string('bcriteria', 'badges')] = html_writer::tag('a', s($assertion->badge->criteria), array('href' => $assertion->badge->criteria));
 435          $output .= $this->definition_list($dl);
 436  
 437          $output .= $this->output->heading(get_string('issuancedetails', 'badges'), 3);
 438          $dl = array();
 439          if (isset($assertion->issued_on)) {
 440              $issuedate = !strtotime($assertion->issued_on) ? s($assertion->issued_on) : strtotime($assertion->issued_on);
 441              $dl[get_string('dateawarded', 'badges')] = userdate($issuedate);
 442          }
 443          if (isset($assertion->expires)) {
 444              if ($expiration < $today) {
 445                  $dl[get_string('expirydate', 'badges')] = userdate($expiration) . get_string('warnexpired', 'badges');
 446              } else {
 447                  $dl[get_string('expirydate', 'badges')] = userdate($expiration);
 448              }
 449          }
 450          if (isset($assertion->evidence)) {
 451              $dl[get_string('evidence', 'badges')] = html_writer::tag('a', s($assertion->evidence), array('href' => $assertion->evidence));
 452          }
 453          $output .= $this->definition_list($dl);
 454          $output .= html_writer::end_tag('div');
 455  
 456          return $output;
 457      }
 458  
 459      // Displays the user badges.
 460      protected function render_badge_user_collection(badge_user_collection $badges) {
 461          global $CFG, $USER, $SITE;
 462          $backpack = $badges->backpack;
 463          $mybackpack = new moodle_url('/badges/mybackpack.php');
 464  
 465          $paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
 466          $htmlpagingbar = $this->render($paging);
 467  
 468          // Set backpack connection string.
 469          $backpackconnect = '';
 470          if (!empty($CFG->badges_allowexternalbackpack) && is_null($backpack)) {
 471              $backpackconnect = $this->output->box(get_string('localconnectto', 'badges', $mybackpack->out()), 'noticebox');
 472          }
 473          // Search box.
 474          $searchform = $this->output->box($this->helper_search_form($badges->search), 'boxwidthwide boxaligncenter');
 475  
 476          // Download all button.
 477          $downloadall = $this->output->single_button(
 478                      new moodle_url('/badges/mybadges.php', array('downloadall' => true, 'sesskey' => sesskey())),
 479                      get_string('downloadall'), 'POST', array('class' => 'activatebadge'));
 480  
 481          // Local badges.
 482          $localhtml = html_writer::start_tag('fieldset', array('id' => 'issued-badge-table', 'class' => 'generalbox'));
 483          $heading = get_string('localbadges', 'badges', format_string($SITE->fullname, true, array('context' => context_system::instance())));
 484          $localhtml .= html_writer::tag('legend', $this->output->heading_with_help($heading, 'localbadgesh', 'badges'));
 485          if ($badges->badges) {
 486              $downloadbutton = $this->output->heading(get_string('badgesearned', 'badges', $badges->totalcount), 4, 'activatebadge');
 487              $downloadbutton .= $downloadall;
 488  
 489              $htmllist = $this->print_badges_list($badges->badges, $USER->id);
 490              $localhtml .= $backpackconnect . $downloadbutton . $searchform . $htmlpagingbar . $htmllist . $htmlpagingbar;
 491          } else {
 492              $localhtml .= $searchform . $this->output->notification(get_string('nobadges', 'badges'));
 493          }
 494          $localhtml .= html_writer::end_tag('fieldset');
 495  
 496          // External badges.
 497          $externalhtml = "";
 498          if (!empty($CFG->badges_allowexternalbackpack)) {
 499              $externalhtml .= html_writer::start_tag('fieldset', array('class' => 'generalbox'));
 500              $externalhtml .= html_writer::tag('legend', $this->output->heading_with_help(get_string('externalbadges', 'badges'), 'externalbadges', 'badges'));
 501              if (!is_null($backpack)) {
 502                  if ($backpack->totalcollections == 0) {
 503                      $externalhtml .= get_string('nobackpackcollections', 'badges', $backpack);
 504                  } else {
 505                      if ($backpack->totalbadges == 0) {
 506                          $externalhtml .= get_string('nobackpackbadges', 'badges', $backpack);
 507                      } else {
 508                          $externalhtml .= get_string('backpackbadges', 'badges', $backpack);
 509                          $externalhtml .= '<br/><br/>' . $this->print_badges_list($backpack->badges, $USER->id, true, true);
 510                      }
 511                  }
 512              } else {
 513                  $externalhtml .= get_string('externalconnectto', 'badges', $mybackpack->out());
 514              }
 515  
 516              $externalhtml .= html_writer::end_tag('fieldset');
 517          }
 518  
 519          return $localhtml . $externalhtml;
 520      }
 521  
 522      // Displays the available badges.
 523      protected function render_badge_collection(badge_collection $badges) {
 524          $paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
 525          $htmlpagingbar = $this->render($paging);
 526          $table = new html_table();
 527          $table->attributes['class'] = 'collection';
 528  
 529          $sortbyname = $this->helper_sortable_heading(get_string('name'),
 530                  'name', $badges->sort, $badges->dir);
 531          $sortbyawarded = $this->helper_sortable_heading(get_string('awardedtoyou', 'badges'),
 532                  'dateissued', $badges->sort, $badges->dir);
 533          $table->head = array(
 534                      get_string('badgeimage', 'badges'),
 535                      $sortbyname,
 536                      get_string('description', 'badges'),
 537                      get_string('bcriteria', 'badges'),
 538                      $sortbyawarded
 539                  );
 540          $table->colclasses = array('badgeimage', 'name', 'description', 'criteria', 'awards');
 541  
 542          foreach ($badges->badges as $badge) {
 543              $badgeimage = print_badge_image($badge, $this->page->context, 'large');
 544              $name = $badge->name;
 545              $description = $badge->description;
 546              $criteria = self::print_badge_criteria($badge);
 547              if ($badge->dateissued) {
 548                  $icon = new pix_icon('i/valid',
 549                              get_string('dateearned', 'badges',
 550                                  userdate($badge->dateissued, get_string('strftimedatefullshort', 'core_langconfig'))));
 551                  $badgeurl = new moodle_url('/badges/badge.php', array('hash' => $badge->uniquehash));
 552                  $awarded = $this->output->action_icon($badgeurl, $icon, null, null, true);
 553              } else {
 554                  $awarded = "";
 555              }
 556              $row = array($badgeimage, $name, $description, $criteria, $awarded);
 557              $table->data[] = $row;
 558          }
 559  
 560          $htmltable = html_writer::table($table);
 561  
 562          return $htmlpagingbar . $htmltable . $htmlpagingbar;
 563      }
 564  
 565      // Outputs table of badges with actions available.
 566      protected function render_badge_management(badge_management $badges) {
 567          $paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
 568  
 569          // New badge button.
 570          $htmlnew = '';
 571          if (has_capability('moodle/badges:createbadge', $this->page->context)) {
 572              $n['type'] = $this->page->url->get_param('type');
 573              $n['id'] = $this->page->url->get_param('id');
 574              $htmlnew = $this->output->single_button(new moodle_url('newbadge.php', $n), get_string('newbadge', 'badges'));
 575          }
 576  
 577          $htmlpagingbar = $this->render($paging);
 578          $table = new html_table();
 579          $table->attributes['class'] = 'collection';
 580  
 581          $sortbyname = $this->helper_sortable_heading(get_string('name'),
 582                  'name', $badges->sort, $badges->dir);
 583          $sortbystatus = $this->helper_sortable_heading(get_string('status', 'badges'),
 584                  'status', $badges->sort, $badges->dir);
 585          $table->head = array(
 586                  $sortbyname,
 587                  $sortbystatus,
 588                  get_string('bcriteria', 'badges'),
 589                  get_string('awards', 'badges'),
 590                  get_string('actions')
 591              );
 592          $table->colclasses = array('name', 'status', 'criteria', 'awards', 'actions');
 593  
 594          foreach ($badges->badges as $b) {
 595              $style = !$b->is_active() ? array('class' => 'dimmed') : array();
 596              $forlink =  print_badge_image($b, $this->page->context) . ' ' .
 597                          html_writer::start_tag('span') . $b->name . html_writer::end_tag('span');
 598              $name = html_writer::link(new moodle_url('/badges/overview.php', array('id' => $b->id)), $forlink, $style);
 599              $status = $b->statstring;
 600              $criteria = self::print_badge_criteria($b, 'short');
 601  
 602              if (has_capability('moodle/badges:viewawarded', $this->page->context)) {
 603                  $awards = html_writer::link(new moodle_url('/badges/recipients.php', array('id' => $b->id)), $b->awards);
 604              } else {
 605                  $awards = $b->awards;
 606              }
 607  
 608              $actions = self::print_badge_table_actions($b, $this->page->context);
 609  
 610              $row = array($name, $status, $criteria, $awards, $actions);
 611              $table->data[] = $row;
 612          }
 613          $htmltable = html_writer::table($table);
 614  
 615          return $htmlnew . $htmlpagingbar . $htmltable . $htmlpagingbar;
 616      }
 617  
 618      // Prints tabs for badge editing.
 619      public function print_badge_tabs($badgeid, $context, $current = 'overview') {
 620          global $DB;
 621  
 622          $row = array();
 623  
 624          $row[] = new tabobject('overview',
 625                      new moodle_url('/badges/overview.php', array('id' => $badgeid)),
 626                      get_string('boverview', 'badges')
 627                  );
 628  
 629          if (has_capability('moodle/badges:configuredetails', $context)) {
 630              $row[] = new tabobject('details',
 631                          new moodle_url('/badges/edit.php', array('id' => $badgeid, 'action' => 'details')),
 632                          get_string('bdetails', 'badges')
 633                      );
 634          }
 635  
 636          if (has_capability('moodle/badges:configurecriteria', $context)) {
 637              $row[] = new tabobject('criteria',
 638                          new moodle_url('/badges/criteria.php', array('id' => $badgeid)),
 639                          get_string('bcriteria', 'badges')
 640                      );
 641          }
 642  
 643          if (has_capability('moodle/badges:configuremessages', $context)) {
 644              $row[] = new tabobject('message',
 645                          new moodle_url('/badges/edit.php', array('id' => $badgeid, 'action' => 'message')),
 646                          get_string('bmessage', 'badges')
 647                      );
 648          }
 649  
 650          if (has_capability('moodle/badges:viewawarded', $context)) {
 651              $awarded = $DB->count_records_sql('SELECT COUNT(b.userid)
 652                                                 FROM {badge_issued} b INNER JOIN {user} u ON b.userid = u.id
 653                                                 WHERE b.badgeid = :badgeid AND u.deleted = 0', array('badgeid' => $badgeid));
 654              $row[] = new tabobject('awards',
 655                          new moodle_url('/badges/recipients.php', array('id' => $badgeid)),
 656                          get_string('bawards', 'badges', $awarded)
 657                      );
 658          }
 659  
 660          echo $this->tabtree($row, $current);
 661      }
 662  
 663      /**
 664       * Prints badge status box.
 665       * @return Either the status box html as a string or null
 666       */
 667      public function print_badge_status_box(badge $badge) {
 668          if (has_capability('moodle/badges:configurecriteria', $badge->get_context())) {
 669  
 670              if (!$badge->has_criteria()) {
 671                  $criteriaurl = new moodle_url('/badges/criteria.php', array('id' => $badge->id));
 672                  $status = get_string('nocriteria', 'badges');
 673                  if ($this->page->url != $criteriaurl) {
 674                      $action = $this->output->single_button(
 675                          $criteriaurl,
 676                          get_string('addcriteria', 'badges'), 'POST', array('class' => 'activatebadge'));
 677                  } else {
 678                      $action = '';
 679                  }
 680  
 681                  $message = $status . $action;
 682              } else {
 683                  $status = get_string('statusmessage_' . $badge->status, 'badges');
 684                  if ($badge->is_active()) {
 685                      $action = $this->output->single_button(new moodle_url('/badges/action.php',
 686                                  array('id' => $badge->id, 'lock' => 1, 'sesskey' => sesskey(),
 687                                        'return' => $this->page->url->out_as_local_url(false))),
 688                              get_string('deactivate', 'badges'), 'POST', array('class' => 'activatebadge'));
 689                  } else {
 690                      $action = $this->output->single_button(new moodle_url('/badges/action.php',
 691                                  array('id' => $badge->id, 'activate' => 1, 'sesskey' => sesskey(),
 692                                        'return' => $this->page->url->out_as_local_url(false))),
 693                              get_string('activate', 'badges'), 'POST', array('class' => 'activatebadge'));
 694                  }
 695  
 696                  $message = $status . $this->output->help_icon('status', 'badges') . $action;
 697  
 698              }
 699  
 700              $style = $badge->is_active() ? 'generalbox statusbox active' : 'generalbox statusbox inactive';
 701              return $this->output->box($message, $style);
 702          }
 703  
 704          return null;
 705      }
 706  
 707      // Prints badge criteria.
 708      public function print_badge_criteria(badge $badge, $short = '') {
 709          $output = "";
 710          $agg = $badge->get_aggregation_methods();
 711          if (empty($badge->criteria)) {
 712              return get_string('nocriteria', 'badges');
 713          } else if (count($badge->criteria) == 2) {
 714              if (!$short) {
 715                  $output .= get_string('criteria_descr', 'badges');
 716              }
 717          } else {
 718              $output .= get_string('criteria_descr_' . $short . BADGE_CRITERIA_TYPE_OVERALL, 'badges',
 719                                      core_text::strtoupper($agg[$badge->get_aggregation_method()]));
 720          }
 721          $items = array();
 722          unset($badge->criteria[BADGE_CRITERIA_TYPE_OVERALL]);
 723          foreach ($badge->criteria as $type => $c) {
 724              if (count($c->params) == 1) {
 725                  $items[] = get_string('criteria_descr_single_' . $short . $type , 'badges') . $c->get_details($short);
 726              } else {
 727                  $items[] = get_string('criteria_descr_' . $short . $type , 'badges',
 728                          core_text::strtoupper($agg[$badge->get_aggregation_method($type)])) . $c->get_details($short);
 729              }
 730          }
 731          $output .= html_writer::alist($items, array(), 'ul');
 732          return $output;
 733      }
 734  
 735      // Prints criteria actions for badge editing.
 736      public function print_criteria_actions(badge $badge) {
 737          $table = new html_table();
 738          $table->attributes = array('class' => 'boxaligncenter', 'id' => 'badgeactions');
 739          $table->colclasses = array('activatebadge');
 740  
 741          $actions = array();
 742          if (!$badge->is_active() && !$badge->is_locked()) {
 743              $accepted = $badge->get_accepted_criteria();
 744              $potential = array_diff($accepted, array_keys($badge->criteria));
 745  
 746              if (!empty($potential)) {
 747                  foreach ($potential as $p) {
 748                      if ($p != 0) {
 749                          $select[$p] = get_string('criteria_' . $p, 'badges');
 750                      }
 751                  }
 752                  $actions[] = get_string('addbadgecriteria', 'badges');
 753                  $actions[] = $this->output->single_select(new moodle_url('/badges/criteria_settings.php',
 754                          array('badgeid' => $badge->id, 'add' => true)), 'type', $select);
 755              } else {
 756                  $actions[] = $this->output->box(get_string('nothingtoadd', 'badges'), 'clearfix');
 757              }
 758          }
 759  
 760          $table->data[] = $actions;
 761          return html_writer::table($table);
 762      }
 763  
 764      // Renders a table with users who have earned the badge.
 765      // Based on stamps collection plugin.
 766      protected function render_badge_recipients(badge_recipients $recipients) {
 767          $paging = new paging_bar($recipients->totalcount, $recipients->page, $recipients->perpage, $this->page->url, 'page');
 768          $htmlpagingbar = $this->render($paging);
 769          $table = new html_table();
 770          $table->attributes['class'] = 'generaltable boxaligncenter boxwidthwide';
 771  
 772          $sortbyfirstname = $this->helper_sortable_heading(get_string('firstname'),
 773                  'firstname', $recipients->sort, $recipients->dir);
 774          $sortbylastname = $this->helper_sortable_heading(get_string('lastname'),
 775                  'lastname', $recipients->sort, $recipients->dir);
 776          if ($this->helper_fullname_format() == 'lf') {
 777              $sortbyname = $sortbylastname . ' / ' . $sortbyfirstname;
 778          } else {
 779              $sortbyname = $sortbyfirstname . ' / ' . $sortbylastname;
 780          }
 781  
 782          $sortbydate = $this->helper_sortable_heading(get_string('dateawarded', 'badges'),
 783                  'dateissued', $recipients->sort, $recipients->dir);
 784  
 785          $table->head = array($sortbyname, $sortbydate, '');
 786  
 787          foreach ($recipients->userids as $holder) {
 788              $fullname = fullname($holder);
 789              $fullname = html_writer::link(
 790                              new moodle_url('/user/profile.php', array('id' => $holder->userid)),
 791                              $fullname
 792                          );
 793              $awarded  = userdate($holder->dateissued);
 794              $badgeurl = html_writer::link(
 795                              new moodle_url('/badges/badge.php', array('hash' => $holder->uniquehash)),
 796                              get_string('viewbadge', 'badges')
 797                          );
 798  
 799              $row = array($fullname, $awarded, $badgeurl);
 800              $table->data[] = $row;
 801          }
 802  
 803          $htmltable = html_writer::table($table);
 804  
 805          return $htmlpagingbar . $htmltable . $htmlpagingbar;
 806      }
 807  
 808      ////////////////////////////////////////////////////////////////////////////
 809      // Helper methods
 810      // Reused from stamps collection plugin
 811      ////////////////////////////////////////////////////////////////////////////
 812  
 813      /**
 814       * Renders a text with icons to sort by the given column
 815       *
 816       * This is intended for table headings.
 817       *
 818       * @param string $text    The heading text
 819       * @param string $sortid  The column id used for sorting
 820       * @param string $sortby  Currently sorted by (column id)
 821       * @param string $sorthow Currently sorted how (ASC|DESC)
 822       *
 823       * @return string
 824       */
 825      protected function helper_sortable_heading($text, $sortid = null, $sortby = null, $sorthow = null) {
 826          $out = html_writer::tag('span', $text, array('class' => 'text'));
 827  
 828          if (!is_null($sortid)) {
 829              if ($sortby !== $sortid || $sorthow !== 'ASC') {
 830                  $url = new moodle_url($this->page->url);
 831                  $url->params(array('sort' => $sortid, 'dir' => 'ASC'));
 832                  $out .= $this->output->action_icon($url,
 833                          new pix_icon('t/sort_asc', get_string('sortbyx', 'core', s($text)), null, array('class' => 'iconsort')));
 834              }
 835              if ($sortby !== $sortid || $sorthow !== 'DESC') {
 836                  $url = new moodle_url($this->page->url);
 837                  $url->params(array('sort' => $sortid, 'dir' => 'DESC'));
 838                  $out .= $this->output->action_icon($url,
 839                          new pix_icon('t/sort_desc', get_string('sortbyxreverse', 'core', s($text)), null, array('class' => 'iconsort')));
 840              }
 841          }
 842          return $out;
 843      }
 844      /**
 845       * Tries to guess the fullname format set at the site
 846       *
 847       * @return string fl|lf
 848       */
 849      protected function helper_fullname_format() {
 850          $fake = new stdClass();
 851          $fake->lastname = 'LLLL';
 852          $fake->firstname = 'FFFF';
 853          $fullname = get_string('fullnamedisplay', '', $fake);
 854          if (strpos($fullname, 'LLLL') < strpos($fullname, 'FFFF')) {
 855              return 'lf';
 856          } else {
 857              return 'fl';
 858          }
 859      }
 860      /**
 861       * Renders a search form
 862       *
 863       * @param string $search Search string
 864       * @return string HTML
 865       */
 866      protected function helper_search_form($search) {
 867          global $CFG;
 868          require_once($CFG->libdir . '/formslib.php');
 869  
 870          $mform = new MoodleQuickForm('searchform', 'POST', $this->page->url);
 871  
 872          $mform->addElement('hidden', 'sesskey', sesskey());
 873  
 874          $el[] = $mform->createElement('text', 'search', get_string('search'), array('size' => 20));
 875          $mform->setDefault('search', $search);
 876          $el[] = $mform->createElement('submit', 'submitsearch', get_string('search'));
 877          $el[] = $mform->createElement('submit', 'clearsearch', get_string('clear'));
 878          $mform->addGroup($el, 'searchgroup', get_string('searchname', 'badges'), ' ', false);
 879  
 880          ob_start();
 881          $mform->display();
 882          $out = ob_get_clean();
 883  
 884          return $out;
 885      }
 886  
 887      /**
 888       * Renders a definition list
 889       *
 890       * @param array $items the list of items to define
 891       * @param array
 892       */
 893      protected function definition_list(array $items, array $attributes = array()) {
 894          $output = html_writer::start_tag('dl', $attributes);
 895          foreach ($items as $label => $value) {
 896              $output .= html_writer::tag('dt', $label);
 897              $output .= html_writer::tag('dd', $value);
 898          }
 899          $output .= html_writer::end_tag('dl');
 900          return $output;
 901      }
 902  }
 903  
 904  /**
 905   * An issued badges for badge.php page
 906   */
 907  class issued_badge implements renderable {
 908      /** @var issued badge */
 909      public $issued;
 910  
 911      /** @var badge recipient */
 912      public $recipient;
 913  
 914      /** @var badge class */
 915      public $badgeclass;
 916  
 917      /** @var badge visibility to others */
 918      public $visible = 0;
 919  
 920      /** @var badge class */
 921      public $badgeid = 0;
 922  
 923      /**
 924       * Initializes the badge to display
 925       *
 926       * @param string $hash Issued badge hash
 927       */
 928      public function __construct($hash) {
 929          global $DB;
 930  
 931          $assertion = new core_badges_assertion($hash);
 932          $this->issued = $assertion->get_badge_assertion();
 933          $this->badgeclass = $assertion->get_badge_class();
 934  
 935          $rec = $DB->get_record_sql('SELECT userid, visible, badgeid
 936                  FROM {badge_issued}
 937                  WHERE ' . $DB->sql_compare_text('uniquehash', 40) . ' = ' . $DB->sql_compare_text(':hash', 40),
 938                  array('hash' => $hash), IGNORE_MISSING);
 939          if ($rec) {
 940              // Get a recipient from database.
 941              $namefields = get_all_user_name_fields(true, 'u');
 942              $user = $DB->get_record_sql("SELECT u.id, $namefields, u.deleted, u.email
 943                          FROM {user} u WHERE u.id = :userid", array('userid' => $rec->userid));
 944              $this->recipient = $user;
 945              $this->visible = $rec->visible;
 946              $this->badgeid = $rec->badgeid;
 947          }
 948      }
 949  }
 950  
 951  /**
 952   * An external badges for external.php page
 953   */
 954  class external_badge implements renderable {
 955      /** @var issued badge */
 956      public $issued;
 957  
 958      /** @var User ID */
 959      public $recipient;
 960  
 961      /** @var validation of external badge */
 962      public $valid = true;
 963  
 964      /**
 965       * Initializes the badge to display
 966       *
 967       * @param object $badge External badge information.
 968       * @param int $recipient User id.
 969       */
 970      public function __construct($badge, $recipient) {
 971          global $DB;
 972          // At this point a user has connected a backpack. So, we are going to get
 973          // their backpack email rather than their account email.
 974          $namefields = get_all_user_name_fields(true, 'u');
 975          $user = $DB->get_record_sql("SELECT {$namefields}, b.email
 976                      FROM {user} u INNER JOIN {badge_backpack} b ON u.id = b.userid
 977                      WHERE userid = :userid", array('userid' => $recipient), IGNORE_MISSING);
 978  
 979          $this->issued = $badge;
 980          $this->recipient = $user;
 981  
 982          // Check if recipient is valid.
 983          // There is no way to be 100% sure that a badge belongs to a user.
 984          // Backpack does not return any recipient information.
 985          // All we can do is compare that backpack email hashed using salt
 986          // provided in the assertion matches a badge recipient from the assertion.
 987          if ($user) {
 988              if (validate_email($badge->assertion->recipient) && $badge->assertion->recipient == $user->email) {
 989                  // If we have email, compare emails.
 990                  $this->valid = true;
 991              } else if ($badge->assertion->recipient == 'sha256$' . hash('sha256', $user->email)) {
 992                  // If recipient is hashed, but no salt, compare hashes without salt.
 993                  $this->valid = true;
 994              } else if ($badge->assertion->recipient == 'sha256$' . hash('sha256', $user->email . $badge->assertion->salt)) {
 995                  // If recipient is hashed, compare hashes.
 996                  $this->valid = true;
 997              } else {
 998                  // Otherwise, we cannot be sure that this user is a recipient.
 999                  $this->valid = false;
1000              }
1001          } else {
1002              $this->valid = false;
1003          }
1004      }
1005  }
1006  
1007  /**
1008   * Badge recipients rendering class
1009   */
1010  class badge_recipients implements renderable {
1011      /** @var string how are the data sorted */
1012      public $sort = 'lastname';
1013  
1014      /** @var string how are the data sorted */
1015      public $dir = 'ASC';
1016  
1017      /** @var int page number to display */
1018      public $page = 0;
1019  
1020      /** @var int number of badge recipients to display per page */
1021      public $perpage = 30;
1022  
1023      /** @var int the total number or badge recipients to display */
1024      public $totalcount = null;
1025  
1026      /** @var array internal list of  badge recipients ids */
1027      public $userids = array();
1028      /**
1029       * Initializes the list of users to display
1030       *
1031       * @param array $holders List of badge holders
1032       */
1033      public function __construct($holders) {
1034          $this->userids = $holders;
1035      }
1036  }
1037  
1038  /**
1039   * Collection of all badges for view.php page
1040   */
1041  class badge_collection implements renderable {
1042  
1043      /** @var string how are the data sorted */
1044      public $sort = 'name';
1045  
1046      /** @var string how are the data sorted */
1047      public $dir = 'ASC';
1048  
1049      /** @var int page number to display */
1050      public $page = 0;
1051  
1052      /** @var int number of badges to display per page */
1053      public $perpage = BADGE_PERPAGE;
1054  
1055      /** @var int the total number of badges to display */
1056      public $totalcount = null;
1057  
1058      /** @var array list of badges */
1059      public $badges = array();
1060  
1061      /**
1062       * Initializes the list of badges to display
1063       *
1064       * @param array $badges Badges to render
1065       */
1066      public function __construct($badges) {
1067          $this->badges = $badges;
1068      }
1069  }
1070  
1071  /**
1072   * Collection of badges used at the index.php page
1073   */
1074  class badge_management extends badge_collection implements renderable {
1075  }
1076  
1077  /**
1078   * Collection of user badges used at the mybadges.php page
1079   */
1080  class badge_user_collection extends badge_collection implements renderable {
1081      /** @var array backpack settings */
1082      public $backpack = null;
1083  
1084      /** @var string search */
1085      public $search = '';
1086  
1087      /**
1088       * Initializes user badge collection.
1089       *
1090       * @param array $badges Badges to render
1091       * @param int $userid Badges owner
1092       */
1093      public function __construct($badges, $userid) {
1094          global $CFG;
1095          parent::__construct($badges);
1096  
1097          if (!empty($CFG->badges_allowexternalbackpack)) {
1098              $this->backpack = get_backpack_settings($userid, true);
1099          }
1100      }
1101  }


Generated: Fri Nov 28 20:29:05 2014 Cross-referenced by PHPXref 0.7.1