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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 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 $dl[get_string('createdon', 'search')] = userdate($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('div', 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 .= $this->output->heading_with_help($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('div'); 495 496 // External badges. 497 $externalhtml = ""; 498 if (!empty($CFG->badges_allowexternalbackpack)) { 499 $externalhtml .= html_writer::start_tag('div', array('class' => 'generalbox')); 500 $externalhtml .= $this->output->heading_with_help(get_string('externalbadges', 'badges'), 'externalbadges', 'badges'); 501 if (!is_null($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('div'); 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 /** 708 * Returns information about badge criteria in a list form. 709 * 710 * @param badge $badge Badge objects 711 * @param string $short Indicates whether to print full info about this badge 712 * @return string $output HTML string to output 713 */ 714 public function print_badge_criteria(badge $badge, $short = '') { 715 $agg = $badge->get_aggregation_methods(); 716 if (empty($badge->criteria)) { 717 return get_string('nocriteria', 'badges'); 718 } 719 720 $overalldescr = ''; 721 $overall = $badge->criteria[BADGE_CRITERIA_TYPE_OVERALL]; 722 if (!$short && !empty($overall->description)) { 723 $overalldescr = $this->output->box( 724 format_text($overall->description, $overall->descriptionformat, array('context' => $badge->get_context())), 725 'criteria-description' 726 ); 727 } 728 729 // Get the condition string. 730 if (count($badge->criteria) == 2) { 731 $condition = ''; 732 if (!$short) { 733 $condition = get_string('criteria_descr', 'badges'); 734 } 735 } else { 736 $condition = get_string('criteria_descr_' . $short . BADGE_CRITERIA_TYPE_OVERALL, 'badges', 737 core_text::strtoupper($agg[$badge->get_aggregation_method()])); 738 } 739 740 unset($badge->criteria[BADGE_CRITERIA_TYPE_OVERALL]); 741 742 $items = array(); 743 // If only one criterion left, make sure its description goe to the top. 744 if (count($badge->criteria) == 1) { 745 $c = reset($badge->criteria); 746 if (!$short && !empty($c->description)) { 747 $overalldescr = $this->output->box( 748 format_text($c->description, $c->descriptionformat, array('context' => $badge->get_context())), 749 'criteria-description' 750 ); 751 } 752 if (count($c->params) == 1) { 753 $items[] = get_string('criteria_descr_single_' . $short . $c->criteriatype , 'badges') . 754 $c->get_details($short); 755 } else { 756 $items[] = get_string('criteria_descr_' . $short . $c->criteriatype, 'badges', 757 core_text::strtoupper($agg[$badge->get_aggregation_method($c->criteriatype)])) . 758 $c->get_details($short); 759 } 760 } else { 761 foreach ($badge->criteria as $type => $c) { 762 $criteriadescr = ''; 763 if (!$short && !empty($c->description)) { 764 $criteriadescr = $this->output->box( 765 format_text($c->description, $c->descriptionformat, array('context' => $badge->get_context())), 766 'criteria-description' 767 ); 768 } 769 if (count($c->params) == 1) { 770 $items[] = get_string('criteria_descr_single_' . $short . $type , 'badges') . 771 $c->get_details($short) . $criteriadescr; 772 } else { 773 $items[] = get_string('criteria_descr_' . $short . $type , 'badges', 774 core_text::strtoupper($agg[$badge->get_aggregation_method($type)])) . 775 $c->get_details($short) . 776 $criteriadescr; 777 } 778 } 779 } 780 781 return $overalldescr . $condition . html_writer::alist($items, array(), 'ul');; 782 } 783 784 // Prints criteria actions for badge editing. 785 public function print_criteria_actions(badge $badge) { 786 $output = ''; 787 if (!$badge->is_active() && !$badge->is_locked()) { 788 $accepted = $badge->get_accepted_criteria(); 789 $potential = array_diff($accepted, array_keys($badge->criteria)); 790 791 if (!empty($potential)) { 792 foreach ($potential as $p) { 793 if ($p != 0) { 794 $select[$p] = get_string('criteria_' . $p, 'badges'); 795 } 796 } 797 $output .= $this->output->single_select( 798 new moodle_url('/badges/criteria_settings.php', array('badgeid' => $badge->id, 'add' => true)), 799 'type', 800 $select, 801 '', 802 array('' => 'choosedots'), 803 null, 804 array('label' => get_string('addbadgecriteria', 'badges')) 805 ); 806 } else { 807 $output .= $this->output->box(get_string('nothingtoadd', 'badges'), 'clearfix'); 808 } 809 } 810 811 return $output; 812 } 813 814 // Renders a table with users who have earned the badge. 815 // Based on stamps collection plugin. 816 protected function render_badge_recipients(badge_recipients $recipients) { 817 $paging = new paging_bar($recipients->totalcount, $recipients->page, $recipients->perpage, $this->page->url, 'page'); 818 $htmlpagingbar = $this->render($paging); 819 $table = new html_table(); 820 $table->attributes['class'] = 'generaltable boxaligncenter boxwidthwide'; 821 822 $sortbyfirstname = $this->helper_sortable_heading(get_string('firstname'), 823 'firstname', $recipients->sort, $recipients->dir); 824 $sortbylastname = $this->helper_sortable_heading(get_string('lastname'), 825 'lastname', $recipients->sort, $recipients->dir); 826 if ($this->helper_fullname_format() == 'lf') { 827 $sortbyname = $sortbylastname . ' / ' . $sortbyfirstname; 828 } else { 829 $sortbyname = $sortbyfirstname . ' / ' . $sortbylastname; 830 } 831 832 $sortbydate = $this->helper_sortable_heading(get_string('dateawarded', 'badges'), 833 'dateissued', $recipients->sort, $recipients->dir); 834 835 $table->head = array($sortbyname, $sortbydate, ''); 836 837 foreach ($recipients->userids as $holder) { 838 $fullname = fullname($holder); 839 $fullname = html_writer::link( 840 new moodle_url('/user/profile.php', array('id' => $holder->userid)), 841 $fullname 842 ); 843 $awarded = userdate($holder->dateissued); 844 $badgeurl = html_writer::link( 845 new moodle_url('/badges/badge.php', array('hash' => $holder->uniquehash)), 846 get_string('viewbadge', 'badges') 847 ); 848 849 $row = array($fullname, $awarded, $badgeurl); 850 $table->data[] = $row; 851 } 852 853 $htmltable = html_writer::table($table); 854 855 return $htmlpagingbar . $htmltable . $htmlpagingbar; 856 } 857 858 //////////////////////////////////////////////////////////////////////////// 859 // Helper methods 860 // Reused from stamps collection plugin 861 //////////////////////////////////////////////////////////////////////////// 862 863 /** 864 * Renders a text with icons to sort by the given column 865 * 866 * This is intended for table headings. 867 * 868 * @param string $text The heading text 869 * @param string $sortid The column id used for sorting 870 * @param string $sortby Currently sorted by (column id) 871 * @param string $sorthow Currently sorted how (ASC|DESC) 872 * 873 * @return string 874 */ 875 protected function helper_sortable_heading($text, $sortid = null, $sortby = null, $sorthow = null) { 876 $out = html_writer::tag('span', $text, array('class' => 'text')); 877 878 if (!is_null($sortid)) { 879 if ($sortby !== $sortid || $sorthow !== 'ASC') { 880 $url = new moodle_url($this->page->url); 881 $url->params(array('sort' => $sortid, 'dir' => 'ASC')); 882 $out .= $this->output->action_icon($url, 883 new pix_icon('t/sort_asc', get_string('sortbyx', 'core', s($text)), null, array('class' => 'iconsort'))); 884 } 885 if ($sortby !== $sortid || $sorthow !== 'DESC') { 886 $url = new moodle_url($this->page->url); 887 $url->params(array('sort' => $sortid, 'dir' => 'DESC')); 888 $out .= $this->output->action_icon($url, 889 new pix_icon('t/sort_desc', get_string('sortbyxreverse', 'core', s($text)), null, array('class' => 'iconsort'))); 890 } 891 } 892 return $out; 893 } 894 /** 895 * Tries to guess the fullname format set at the site 896 * 897 * @return string fl|lf 898 */ 899 protected function helper_fullname_format() { 900 $fake = new stdClass(); 901 $fake->lastname = 'LLLL'; 902 $fake->firstname = 'FFFF'; 903 $fullname = get_string('fullnamedisplay', '', $fake); 904 if (strpos($fullname, 'LLLL') < strpos($fullname, 'FFFF')) { 905 return 'lf'; 906 } else { 907 return 'fl'; 908 } 909 } 910 /** 911 * Renders a search form 912 * 913 * @param string $search Search string 914 * @return string HTML 915 */ 916 protected function helper_search_form($search) { 917 global $CFG; 918 require_once($CFG->libdir . '/formslib.php'); 919 920 $mform = new MoodleQuickForm('searchform', 'POST', $this->page->url); 921 922 $mform->addElement('hidden', 'sesskey', sesskey()); 923 924 $el[] = $mform->createElement('text', 'search', get_string('search'), array('size' => 20)); 925 $mform->setDefault('search', $search); 926 $el[] = $mform->createElement('submit', 'submitsearch', get_string('search')); 927 $el[] = $mform->createElement('submit', 'clearsearch', get_string('clear')); 928 $mform->addGroup($el, 'searchgroup', get_string('searchname', 'badges'), ' ', false); 929 930 ob_start(); 931 $mform->display(); 932 $out = ob_get_clean(); 933 934 return $out; 935 } 936 937 /** 938 * Renders a definition list 939 * 940 * @param array $items the list of items to define 941 * @param array 942 */ 943 protected function definition_list(array $items, array $attributes = array()) { 944 $output = html_writer::start_tag('dl', $attributes); 945 foreach ($items as $label => $value) { 946 $output .= html_writer::tag('dt', $label); 947 $output .= html_writer::tag('dd', $value); 948 } 949 $output .= html_writer::end_tag('dl'); 950 return $output; 951 } 952 } 953 954 /** 955 * An issued badges for badge.php page 956 */ 957 class issued_badge implements renderable { 958 /** @var issued badge */ 959 public $issued; 960 961 /** @var badge recipient */ 962 public $recipient; 963 964 /** @var badge class */ 965 public $badgeclass; 966 967 /** @var badge visibility to others */ 968 public $visible = 0; 969 970 /** @var badge class */ 971 public $badgeid = 0; 972 973 /** 974 * Initializes the badge to display 975 * 976 * @param string $hash Issued badge hash 977 */ 978 public function __construct($hash) { 979 global $DB; 980 981 $assertion = new core_badges_assertion($hash); 982 $this->issued = $assertion->get_badge_assertion(); 983 $this->badgeclass = $assertion->get_badge_class(); 984 985 $rec = $DB->get_record_sql('SELECT userid, visible, badgeid 986 FROM {badge_issued} 987 WHERE ' . $DB->sql_compare_text('uniquehash', 40) . ' = ' . $DB->sql_compare_text(':hash', 40), 988 array('hash' => $hash), IGNORE_MISSING); 989 if ($rec) { 990 // Get a recipient from database. 991 $namefields = get_all_user_name_fields(true, 'u'); 992 $user = $DB->get_record_sql("SELECT u.id, $namefields, u.deleted, u.email 993 FROM {user} u WHERE u.id = :userid", array('userid' => $rec->userid)); 994 $this->recipient = $user; 995 $this->visible = $rec->visible; 996 $this->badgeid = $rec->badgeid; 997 } 998 } 999 } 1000 1001 /** 1002 * An external badges for external.php page 1003 */ 1004 class external_badge implements renderable { 1005 /** @var issued badge */ 1006 public $issued; 1007 1008 /** @var User ID */ 1009 public $recipient; 1010 1011 /** @var validation of external badge */ 1012 public $valid = true; 1013 1014 /** 1015 * Initializes the badge to display 1016 * 1017 * @param object $badge External badge information. 1018 * @param int $recipient User id. 1019 */ 1020 public function __construct($badge, $recipient) { 1021 global $DB; 1022 // At this point a user has connected a backpack. So, we are going to get 1023 // their backpack email rather than their account email. 1024 $namefields = get_all_user_name_fields(true, 'u'); 1025 $user = $DB->get_record_sql("SELECT {$namefields}, b.email 1026 FROM {user} u INNER JOIN {badge_backpack} b ON u.id = b.userid 1027 WHERE userid = :userid", array('userid' => $recipient), IGNORE_MISSING); 1028 1029 $this->issued = $badge; 1030 $this->recipient = $user; 1031 1032 // Check if recipient is valid. 1033 // There is no way to be 100% sure that a badge belongs to a user. 1034 // Backpack does not return any recipient information. 1035 // All we can do is compare that backpack email hashed using salt 1036 // provided in the assertion matches a badge recipient from the assertion. 1037 if ($user) { 1038 if (validate_email($badge->assertion->recipient) && $badge->assertion->recipient == $user->email) { 1039 // If we have email, compare emails. 1040 $this->valid = true; 1041 } else if ($badge->assertion->recipient == 'sha256$' . hash('sha256', $user->email)) { 1042 // If recipient is hashed, but no salt, compare hashes without salt. 1043 $this->valid = true; 1044 } else if ($badge->assertion->recipient == 'sha256$' . hash('sha256', $user->email . $badge->assertion->salt)) { 1045 // If recipient is hashed, compare hashes. 1046 $this->valid = true; 1047 } else { 1048 // Otherwise, we cannot be sure that this user is a recipient. 1049 $this->valid = false; 1050 } 1051 } else { 1052 $this->valid = false; 1053 } 1054 } 1055 } 1056 1057 /** 1058 * Badge recipients rendering class 1059 */ 1060 class badge_recipients implements renderable { 1061 /** @var string how are the data sorted */ 1062 public $sort = 'lastname'; 1063 1064 /** @var string how are the data sorted */ 1065 public $dir = 'ASC'; 1066 1067 /** @var int page number to display */ 1068 public $page = 0; 1069 1070 /** @var int number of badge recipients to display per page */ 1071 public $perpage = 30; 1072 1073 /** @var int the total number or badge recipients to display */ 1074 public $totalcount = null; 1075 1076 /** @var array internal list of badge recipients ids */ 1077 public $userids = array(); 1078 /** 1079 * Initializes the list of users to display 1080 * 1081 * @param array $holders List of badge holders 1082 */ 1083 public function __construct($holders) { 1084 $this->userids = $holders; 1085 } 1086 } 1087 1088 /** 1089 * Collection of all badges for view.php page 1090 */ 1091 class badge_collection implements renderable { 1092 1093 /** @var string how are the data sorted */ 1094 public $sort = 'name'; 1095 1096 /** @var string how are the data sorted */ 1097 public $dir = 'ASC'; 1098 1099 /** @var int page number to display */ 1100 public $page = 0; 1101 1102 /** @var int number of badges to display per page */ 1103 public $perpage = BADGE_PERPAGE; 1104 1105 /** @var int the total number of badges to display */ 1106 public $totalcount = null; 1107 1108 /** @var array list of badges */ 1109 public $badges = array(); 1110 1111 /** 1112 * Initializes the list of badges to display 1113 * 1114 * @param array $badges Badges to render 1115 */ 1116 public function __construct($badges) { 1117 $this->badges = $badges; 1118 } 1119 } 1120 1121 /** 1122 * Collection of badges used at the index.php page 1123 */ 1124 class badge_management extends badge_collection implements renderable { 1125 } 1126 1127 /** 1128 * Collection of user badges used at the mybadges.php page 1129 */ 1130 class badge_user_collection extends badge_collection implements renderable { 1131 /** @var array backpack settings */ 1132 public $backpack = null; 1133 1134 /** @var string search */ 1135 public $search = ''; 1136 1137 /** 1138 * Initializes user badge collection. 1139 * 1140 * @param array $badges Badges to render 1141 * @param int $userid Badges owner 1142 */ 1143 public function __construct($badges, $userid) { 1144 global $CFG; 1145 parent::__construct($badges); 1146 1147 if (!empty($CFG->badges_allowexternalbackpack)) { 1148 $this->backpack = get_backpack_settings($userid, true); 1149 } 1150 } 1151 }
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| Generated: Thu Aug 11 10:00:09 2016 | Cross-referenced by PHPXref 0.7.1 |