admin/renderer.php

   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 core_admin subsystem
  19  *
  20  * @package    core
  21  * @subpackage admin
  22  * @copyright  2011 David Mudrak <david@moodle.com>
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 defined('MOODLE_INTERNAL') || die();
  27
  28 require_once($CFG->libdir . '/pluginlib.php');
  29
  30 /**
  31  * Standard HTML output renderer for core_admin subsystem
  32  */
  33 class core_admin_renderer extends plugin_renderer_base {
  34
  35     /**
  36      * Display the 'Do you acknowledge the terms of the GPL' page. The first page
  37      * during install.
  38      * @return string HTML to output.
  39      */
  40     public function install_licence_page() {
  41         global $CFG;
  42         $output = '';
  43
  44         $copyrightnotice = text_to_html(get_string('gpl3'));
  45         $copyrightnotice = str_replace('target="_blank"', 'onclick="this.target=\'_blank\'"', $copyrightnotice); // extremely ugly validation hack
  46
  47         $continue = new single_button(new moodle_url('/admin/index.php', array('lang'=>$CFG->lang, 'agreelicense'=>1)), get_string('continue'), 'get');
  48
  49         $output .= $this->header();
  50         $output .= $this->heading('<a href="http://moodle.org">Moodle</a> - Modular Object-Oriented Dynamic Learning Environment');
  51         $output .= $this->heading(get_string('copyrightnotice'));
  52         $output .= $this->box($copyrightnotice, 'copyrightnotice');
  53         $output .= html_writer::empty_tag('br');
  54         $output .= $this->confirm(get_string('doyouagree'), $continue, "http://docs.moodle.org/dev/License");
  55         $output .= $this->footer();
  56
  57         return $output;
  58     }
  59
  60     /**
  61      * Display page explaining proper upgrade process,
  62      * there can not be any PHP file leftovers...
  63      *
  64      * @return string HTML to output.
  65      */
  66     public function upgrade_stale_php_files_page() {
  67         $output = '';
  68         $output .= $this->header();
  69         $output .= $this->heading(get_string('upgradestalefiles', 'admin'));
  70         $output .= $this->box_start('generalbox', 'notice');
  71         $output .= format_text(get_string('upgradestalefilesinfo', 'admin', get_docs_url('Upgrading')), FORMAT_MARKDOWN);
  72         $output .= html_writer::empty_tag('br');
  73         $output .= html_writer::tag('div', $this->single_button($this->page->url, get_string('reload'), 'get'), array('class' => 'buttons'));
  74         $output .= $this->box_end();
  75         $output .= $this->footer();
  76
  77         return $output;
  78     }
  79
  80     /**
  81      * Display the 'environment check' page that is displayed during install.
  82      * @param int $maturity
  83      * @param boolean $envstatus final result of the check (true/false)
  84      * @param array $environment_results array of results gathered
  85      * @param string $release moodle release
  86      * @return string HTML to output.
  87      */
  88     public function install_environment_page($maturity, $envstatus, $environment_results, $release) {
  89         global $CFG;
  90         $output = '';
  91
  92         $output .= $this->header();
  93         $output .= $this->maturity_warning($maturity);
  94         $output .= $this->heading("Moodle $release");
  95         $output .= $this->release_notes_link();
  96
  97         $output .= $this->environment_check_table($envstatus, $environment_results);
  98
  99         if (!$envstatus) {
 100             $output .= $this->upgrade_reload(new moodle_url('/admin/index.php', array('agreelicense' => 1, 'lang' => $CFG->lang)));
 101         } else {
 102             $output .= $this->notification(get_string('environmentok', 'admin'), 'notifysuccess');
 103             $output .= $this->continue_button(new moodle_url('/admin/index.php', array('agreelicense'=>1, 'confirmrelease'=>1, 'lang'=>$CFG->lang)));
 104         }
 105
 106         $output .= $this->footer();
 107         return $output;
 108     }
 109
 110     /**
 111      * Displays the list of plugins with unsatisfied dependencies
 112      *
 113      * @param double|string|int $version Moodle on-disk version
 114      * @param array $failed list of plugins with unsatisfied dependecies
 115      * @param moodle_url $reloadurl URL of the page to recheck the dependencies
 116      * @return string HTML
 117      */
 118     public function unsatisfied_dependencies_page($version, array $failed, moodle_url $reloadurl) {
 119         $output = '';
 120
 121         $output .= $this->header();
 122         $output .= $this->heading(get_string('pluginscheck', 'admin'));
 123         $output .= $this->warning(get_string('pluginscheckfailed', 'admin', array('pluginslist' => implode(', ', array_unique($failed)))));
 124         $output .= $this->plugins_check_table(plugin_manager::instance(), $version, array('xdep' => true));
 125         $output .= $this->warning(get_string('pluginschecktodo', 'admin'));
 126         $output .= $this->continue_button($reloadurl);
 127
 128         $output .= $this->footer();
 129
 130         return $output;
 131     }
 132
 133     /**
 134      * Display the 'You are about to upgrade Moodle' page. The first page
 135      * during upgrade.
 136      * @param string $strnewversion
 137      * @param int $maturity
 138      * @return string HTML to output.
 139      */
 140     public function upgrade_confirm_page($strnewversion, $maturity) {
 141         $output = '';
 142
 143         $continueurl = new moodle_url('index.php', array('confirmupgrade' => 1));
 144         $cancelurl = new moodle_url('index.php');
 145
 146         $output .= $this->header();
 147         $output .= $this->maturity_warning($maturity);
 148         $output .= $this->confirm(get_string('upgradesure', 'admin', $strnewversion), $continueurl, $cancelurl);
 149         $output .= $this->footer();
 150
 151         return $output;
 152     }
 153
 154     /**
 155      * Display the environment page during the upgrade process.
 156      * @param string $release
 157      * @param boolean $envstatus final result of env check (true/false)
 158      * @param array $environment_results array of results gathered
 159      * @return string HTML to output.
 160      */
 161     public function upgrade_environment_page($release, $envstatus, $environment_results) {
 162         global $CFG;
 163         $output = '';
 164
 165         $output .= $this->header();
 166         $output .= $this->heading("Moodle $release");
 167         $output .= $this->release_notes_link();
 168         $output .= $this->environment_check_table($envstatus, $environment_results);
 169
 170         if (!$envstatus) {
 171             $output .= $this->upgrade_reload(new moodle_url('/admin/index.php'), array('confirmupgrade' => 1));
 172
 173         } else {
 174             $output .= $this->notification(get_string('environmentok', 'admin'), 'notifysuccess');
 175
 176             if (empty($CFG->skiplangupgrade) and current_language() !== 'en') {
 177                 $output .= $this->box(get_string('langpackwillbeupdated', 'admin'), 'generalbox', 'notice');
 178             }
 179
 180             $output .= $this->continue_button(new moodle_url('/admin/index.php', array('confirmupgrade' => 1, 'confirmrelease' => 1)));
 181         }
 182
 183         $output .= $this->footer();
 184
 185         return $output;
 186     }
 187
 188     /**
 189      * Display the upgrade page that lists all the plugins that require attention.
 190      * @param plugin_manager $pluginman provides information about the plugins.
 191      * @param available_update_checker $checker provides information about available updates.
 192      * @param int $version the version of the Moodle code from version.php.
 193      * @param bool $showallplugins
 194      * @param moodle_url $reloadurl
 195      * @param moodle_url $continueurl
 196      * @return string HTML to output.
 197      */
 198     public function upgrade_plugin_check_page(plugin_manager $pluginman, available_update_checker $checker,
 199             $version, $showallplugins, $reloadurl, $continueurl) {
 200         global $CFG;
 201
 202         $output = '';
 203
 204         $output .= $this->header();
 205         $output .= $this->box_start('generalbox');
 206         $output .= $this->container_start('generalbox', 'notice');
 207         $output .= html_writer::tag('p', get_string('pluginchecknotice', 'core_plugin'));
 208         if (empty($CFG->disableupdatenotifications)) {
 209             $output .= $this->container_start('checkforupdates');
 210             $output .= $this->single_button(new moodle_url($reloadurl, array('fetchupdates' => 1)), get_string('checkforupdates', 'core_plugin'));
 211             if ($timefetched = $checker->get_last_timefetched()) {
 212                 $output .= $this->container(get_string('checkforupdateslast', 'core_plugin',
 213                     userdate($timefetched, get_string('strftimedatetime', 'core_langconfig'))));
 214             }
 215             $output .= $this->container_end();
 216         }
 217         $output .= $this->container_end();
 218
 219         $output .= $this->plugins_check_table($pluginman, $version, array('full' => $showallplugins));
 220         $output .= $this->box_end();
 221         $output .= $this->upgrade_reload($reloadurl);
 222
 223         if ($pluginman->some_plugins_updatable()) {
 224             $output .= $this->container_start('upgradepluginsinfo');
 225             $output .= $this->help_icon('upgradepluginsinfo', 'core_admin', get_string('upgradepluginsfirst', 'core_admin'));
 226             $output .= $this->container_end();
 227         }
 228
 229         $button = new single_button($continueurl, get_string('upgradestart', 'admin'), 'get');
 230         $button->class = 'continuebutton';
 231         $output .= $this->render($button);
 232         $output .= $this->footer();
 233
 234         return $output;
 235     }
 236
 237     /**
 238      * Display the admin notifications page.
 239      * @param int $maturity
 240      * @param bool $insecuredataroot warn dataroot is invalid
 241      * @param bool $errorsdisplayed warn invalid dispaly error setting
 242      * @param bool $cronoverdue warn cron not running
 243      * @param bool $dbproblems warn db has problems
 244      * @param bool $maintenancemode warn in maintenance mode
 245      * @param bool $buggyiconvnomb warn iconv problems
 246      * @param array|null $availableupdates array of available_update_info objects or null
 247      * @param int|null $availableupdatesfetch timestamp of the most recent updates fetch or null (unknown)
 248      *
 249      * @return string HTML to output.
 250      */
 251     public function admin_notifications_page($maturity, $insecuredataroot, $errorsdisplayed,
 252             $cronoverdue, $dbproblems, $maintenancemode, $availableupdates, $availableupdatesfetch,
 253             $buggyiconvnomb, $registered) {
 254         global $CFG;
 255         $output = '';
 256
 257         $output .= $this->header();
 258         $output .= $this->maturity_info($maturity);
 259         $output .= empty($CFG->disableupdatenotifications) ? $this->available_updates($availableupdates, $availableupdatesfetch) : '';
 260         $output .= $this->insecure_dataroot_warning($insecuredataroot);
 261         $output .= $this->display_errors_warning($errorsdisplayed);
 262         $output .= $this->buggy_iconv_warning($buggyiconvnomb);
 263         $output .= $this->cron_overdue_warning($cronoverdue);
 264         $output .= $this->db_problems($dbproblems);
 265         $output .= $this->maintenance_mode_warning($maintenancemode);
 266         $output .= $this->registration_warning($registered);
 267
 268         //////////////////////////////////////////////////////////////////////////////////////////////////
 269         ////  IT IS ILLEGAL AND A VIOLATION OF THE GPL TO HIDE, REMOVE OR MODIFY THIS COPYRIGHT NOTICE ///
 270         $output .= $this->moodle_copyright();
 271         //////////////////////////////////////////////////////////////////////////////////////////////////
 272
 273         $output .= $this->footer();
 274
 275         return $output;
 276     }
 277
 278     /**
 279      * Display the plugin management page (admin/plugins.php).
 280      *
 281      * @param plugin_manager $pluginman
 282      * @param available_update_checker $checker
 283      * @return string HTML to output.
 284      */
 285     public function plugin_management_page(plugin_manager $pluginman, available_update_checker $checker) {
 286         global $CFG;
 287
 288         $output = '';
 289
 290         $output .= $this->header();
 291         $output .= $this->heading(get_string('pluginsoverview', 'core_admin'));
 292         $output .= $this->plugins_overview_panel($pluginman);
 293
 294         if (empty($CFG->disableupdatenotifications)) {
 295             $output .= $this->container_start('checkforupdates');
 296             $output .= $this->single_button(new moodle_url($this->page->url, array('fetchremote' => 1)), get_string('checkforupdates', 'core_plugin'));
 297             if ($timefetched = $checker->get_last_timefetched()) {
 298                 $output .= $this->container(get_string('checkforupdateslast', 'core_plugin',
 299                     userdate($timefetched, get_string('strftimedatetime', 'core_langconfig'))));
 300             }
 301             $output .= $this->container_end();
 302         }
 303
 304         $output .= $this->box($this->plugins_control_panel($pluginman), 'generalbox');
 305         $output .= $this->footer();
 306
 307         return $output;
 308     }
 309
 310     /**
 311      * Display the plugin management page (admin/environment.php).
 312      * @param array $versions
 313      * @param string $version
 314      * @param boolean $envstatus final result of env check (true/false)
 315      * @param array $environment_results array of results gathered
 316      * @return string HTML to output.
 317      */
 318     public function environment_check_page($versions, $version, $envstatus, $environment_results) {
 319         $output = '';
 320         $output .= $this->header();
 321
 322         // Print the component download link
 323         $output .= html_writer::tag('div', html_writer::link(
 324                     new moodle_url('/admin/environment.php', array('action' => 'updatecomponent', 'sesskey' => sesskey())),
 325                     get_string('updatecomponent', 'admin')),
 326                 array('class' => 'reportlink'));
 327
 328         // Heading.
 329         $output .= $this->heading(get_string('environment', 'admin'));
 330
 331         // Box with info and a menu to choose the version.
 332         $output .= $this->box_start();
 333         $output .= html_writer::tag('div', get_string('adminhelpenvironment'));
 334         $select = new single_select(new moodle_url('/admin/environment.php'), 'version', $versions, $version, null);
 335         $select->label = get_string('moodleversion');
 336         $output .= $this->render($select);
 337         $output .= $this->box_end();
 338
 339         // The results
 340         $output .= $this->environment_check_table($envstatus, $environment_results);
 341
 342         $output .= $this->footer();
 343         return $output;
 344     }
 345
 346     /**
 347      * Output a warning message, of the type that appears on the admin notifications page.
 348      * @param string $message the message to display.
 349      * @param string $type type class
 350      * @return string HTML to output.
 351      */
 352     protected function warning($message, $type = 'warning') {
 353         return $this->box($message, 'generalbox admin' . $type);
 354     }
 355
 356     /**
 357      * Render an appropriate message if dataroot is insecure.
 358      * @param bool $insecuredataroot
 359      * @return string HTML to output.
 360      */
 361     protected function insecure_dataroot_warning($insecuredataroot) {
 362         global $CFG;
 363
 364         if ($insecuredataroot == INSECURE_DATAROOT_WARNING) {
 365             return $this->warning(get_string('datarootsecuritywarning', 'admin', $CFG->dataroot));
 366
 367         } else if ($insecuredataroot == INSECURE_DATAROOT_ERROR) {
 368             return $this->warning(get_string('datarootsecurityerror', 'admin', $CFG->dataroot), 'error');
 369
 370         } else {
 371             return '';
 372         }
 373     }
 374
 375     /**
 376      * Render an appropriate message if dataroot is insecure.
 377      * @param bool $errorsdisplayed
 378      * @return string HTML to output.
 379      */
 380     protected function display_errors_warning($errorsdisplayed) {
 381         if (!$errorsdisplayed) {
 382             return '';
 383         }
 384
 385         return $this->warning(get_string('displayerrorswarning', 'admin'));
 386     }
 387
 388     /**
 389      * Render an appropriate message if iconv is buggy and mbstring missing.
 390      * @param bool $buggyiconvnomb
 391      * @return string HTML to output.
 392      */
 393     protected function buggy_iconv_warning($buggyiconvnomb) {
 394         if (!$buggyiconvnomb) {
 395             return '';
 396         }
 397
 398         return $this->warning(get_string('warningiconvbuggy', 'admin'));
 399     }
 400
 401     /**
 402      * Render an appropriate message if cron has not been run recently.
 403      * @param bool $cronoverdue
 404      * @return string HTML to output.
 405      */
 406     public function cron_overdue_warning($cronoverdue) {
 407         if (!$cronoverdue) {
 408             return '';
 409         }
 410
 411         return $this->warning(get_string('cronwarning', 'admin') . '&nbsp;' .
 412                 $this->help_icon('cron', 'admin'));
 413     }
 414
 415     /**
 416      * Render an appropriate message if there are any problems with the DB set-up.
 417      * @param bool $dbproblems
 418      * @return string HTML to output.
 419      */
 420     public function db_problems($dbproblems) {
 421         if (!$dbproblems) {
 422             return '';
 423         }
 424
 425         return $this->warning($dbproblems);
 426     }
 427
 428     /**
 429      * Render an appropriate message if the site in in maintenance mode.
 430      * @param bool $maintenancemode
 431      * @return string HTML to output.
 432      */
 433     public function maintenance_mode_warning($maintenancemode) {
 434         if (!$maintenancemode) {
 435             return '';
 436         }
 437
 438         $url = new moodle_url('/admin/settings.php', array('section' => 'maintenancemode'));
 439         $url = $url->out(); // get_string() does not support objects in params
 440
 441         return $this->warning(get_string('sitemaintenancewarning2', 'admin', $url));
 442     }
 443
 444     /**
 445      * Display a warning about installing development code if necesary.
 446      * @param int $maturity
 447      * @return string HTML to output.
 448      */
 449     protected function maturity_warning($maturity) {
 450         if ($maturity == MATURITY_STABLE) {
 451             return ''; // No worries.
 452         }
 453
 454         $maturitylevel = get_string('maturity' . $maturity, 'admin');
 455         return $this->box(
 456                     $this->container(get_string('maturitycorewarning', 'admin', $maturitylevel)) .
 457                     $this->container($this->doc_link('admin/versions', get_string('morehelp'))),
 458                 'generalbox maturitywarning');
 459     }
 460
 461     /**
 462      * Output the copyright notice.
 463      * @return string HTML to output.
 464      */
 465     protected function moodle_copyright() {
 466         global $CFG;
 467
 468         //////////////////////////////////////////////////////////////////////////////////////////////////
 469         ////  IT IS ILLEGAL AND A VIOLATION OF THE GPL TO HIDE, REMOVE OR MODIFY THIS COPYRIGHT NOTICE ///
 470         $copyrighttext = '<a href="http://moodle.org/">Moodle</a> '.
 471                          '<a href="http://docs.moodle.org/dev/Releases" title="'.$CFG->version.'">'.$CFG->release.'</a><br />'.
 472                          'Copyright &copy; 1999 onwards, Martin Dougiamas<br />'.
 473                          'and <a href="http://docs.moodle.org/dev/Credits">many other contributors</a>.<br />'.
 474                          '<a href="http://docs.moodle.org/dev/License">GNU Public License</a>';
 475         //////////////////////////////////////////////////////////////////////////////////////////////////
 476
 477         return $this->box($copyrighttext, 'copyright');
 478     }
 479
 480     /**
 481      * Display a warning about installing development code if necesary.
 482      * @param int $maturity
 483      * @return string HTML to output.
 484      */
 485     protected function maturity_info($maturity) {
 486         if ($maturity == MATURITY_STABLE) {
 487             return ''; // No worries.
 488         }
 489
 490         $maturitylevel = get_string('maturity' . $maturity, 'admin');
 491         return $this->box(
 492                     get_string('maturitycoreinfo', 'admin', $maturitylevel) . ' ' .
 493                     $this->doc_link('admin/versions', get_string('morehelp')),
 494                 'generalbox adminwarning maturityinfo maturity'.$maturity);
 495     }
 496
 497     /**
 498      * Displays the info about available Moodle updates
 499      *
 500      * @param array|null $updates array of available_update_info objects or null
 501      * @param int|null $fetch timestamp of the most recent updates fetch or null (unknown)
 502      * @return string
 503      */
 504     protected function available_updates($updates, $fetch) {
 505
 506         $updateinfo = $this->box_start('generalbox adminwarning availableupdatesinfo');
 507         if (is_array($updates)) {
 508             $updateinfo .= $this->heading(get_string('updateavailable', 'core_admin'), 3);
 509             foreach ($updates as $update) {
 510                 $updateinfo .= $this->moodle_available_update_info($update);
 511             }
 512         } else {
 513             $now = time();
 514             if ($fetch and ($fetch <= $now) and ($now - $fetch < HOURSECS)) {
 515                 $updateinfo .= $this->heading(get_string('updateavailablenot', 'core_admin'), 3);
 516             }
 517         }
 518
 519         $updateinfo .= $this->container_start('checkforupdates');
 520         $updateinfo .= $this->single_button(new moodle_url($this->page->url, array('fetchupdates' => 1)), get_string('checkforupdates', 'core_plugin'));
 521         if ($fetch) {
 522             $updateinfo .= $this->container(get_string('checkforupdateslast', 'core_plugin',
 523                 userdate($fetch, get_string('strftimedatetime', 'core_langconfig'))));
 524         }
 525         $updateinfo .= $this->container_end();
 526
 527         $updateinfo .= $this->box_end();
 528
 529         return $updateinfo;
 530     }
 531
 532     /**
 533      * Display a warning about not being registered on Moodle.org if necesary.
 534      *
 535      * @param boolean $registered true if the site is registered on Moodle.org
 536      * @return string HTML to output.
 537      */
 538     protected function registration_warning($registered) {
 539
 540         if (!$registered) {
 541
 542             $registerbutton = $this->single_button(new moodle_url('registration/register.php',
 543                     array('huburl' =>  HUB_MOODLEORGHUBURL, 'hubname' => 'Moodle.org')),
 544                     get_string('register', 'admin'));
 545
 546             return $this->warning( get_string('registrationwarning', 'admin')
 547                     . '&nbsp;' . $this->help_icon('registration', 'admin') . $registerbutton );
 548         }
 549
 550         return '';
 551     }
 552
 553     /**
 554      * Helper method to render the information about the available Moodle update
 555      *
 556      * @param available_update_info $updateinfo information about the available Moodle core update
 557      */
 558     protected function moodle_available_update_info(available_update_info $updateinfo) {
 559
 560         $boxclasses = 'moodleupdateinfo';
 561         $info = array();
 562
 563         if (isset($updateinfo->release)) {
 564             $info[] = html_writer::tag('span', get_string('updateavailable_release', 'core_admin', $updateinfo->release),
 565                 array('class' => 'info release'));
 566         }
 567
 568         if (isset($updateinfo->version)) {
 569             $info[] = html_writer::tag('span', get_string('updateavailable_version', 'core_admin', $updateinfo->version),
 570                 array('class' => 'info version'));
 571         }
 572
 573         if (isset($updateinfo->maturity)) {
 574             $info[] = html_writer::tag('span', get_string('maturity'.$updateinfo->maturity, 'core_admin'),
 575                 array('class' => 'info maturity'));
 576             $boxclasses .= ' maturity'.$updateinfo->maturity;
 577         }
 578
 579         if (isset($updateinfo->download)) {
 580             $info[] = html_writer::link($updateinfo->download, get_string('download'), array('class' => 'info download'));
 581         }
 582
 583         if (isset($updateinfo->url)) {
 584             $info[] = html_writer::link($updateinfo->url, get_string('updateavailable_moreinfo', 'core_plugin'),
 585                 array('class' => 'info more'));
 586         }
 587
 588         $box  = $this->output->box_start($boxclasses);
 589         $box .= $this->output->box(implode(html_writer::tag('span', ' ', array('class' => 'separator')), $info), '');
 590         $box .= $this->output->box_end();
 591
 592         return $box;
 593     }
 594
 595     /**
 596      * Display a link to the release notes.
 597      * @return string HTML to output.
 598      */
 599     protected function release_notes_link() {
 600         $releasenoteslink = get_string('releasenoteslink', 'admin', 'http://docs.moodle.org/dev/Releases');
 601         $releasenoteslink = str_replace('target="_blank"', 'onclick="this.target=\'_blank\'"', $releasenoteslink); // extremely ugly validation hack
 602         return $this->box($releasenoteslink, 'generalbox releasenoteslink');
 603     }
 604
 605     /**
 606      * Display the reload link that appears on several upgrade/install pages.
 607      * @return string HTML to output.
 608      */
 609     function upgrade_reload($url) {
 610         return html_writer::empty_tag('br') .
 611                 html_writer::tag('div',
 612                     html_writer::link($url, $this->pix_icon('i/reload', '') .
 613                             get_string('reload'), array('title' => get_string('reload'))),
 614                 array('class' => 'continuebutton')) . html_writer::empty_tag('br');
 615     }
 616
 617     /**
 618      * Displays all known plugins and information about their installation or upgrade
 619      *
 620      * This default implementation renders all plugins into one big table. The rendering
 621      * options support:
 622      *     (bool)full = false: whether to display up-to-date plugins, too
 623      *     (bool)xdep = false: display the plugins with unsatisified dependecies only
 624      *
 625      * @param plugin_manager $pluginman provides information about the plugins.
 626      * @param int $version the version of the Moodle code from version.php.
 627      * @param array $options rendering options
 628      * @return string HTML code
 629      */
 630     public function plugins_check_table(plugin_manager $pluginman, $version, array $options = array()) {
 631         global $CFG;
 632
 633         $plugininfo = $pluginman->get_plugins();
 634
 635         if (empty($plugininfo)) {
 636             return '';
 637         }
 638
 639         $options['full'] = isset($options['full']) ? (bool)$options['full'] : false;
 640         $options['xdep'] = isset($options['xdep']) ? (bool)$options['xdep'] : false;
 641
 642         $table = new html_table();
 643         $table->id = 'plugins-check';
 644         $table->head = array(
 645             get_string('displayname', 'core_plugin'),
 646             get_string('rootdir', 'core_plugin'),
 647             get_string('source', 'core_plugin'),
 648             get_string('versiondb', 'core_plugin'),
 649             get_string('versiondisk', 'core_plugin'),
 650             get_string('requires', 'core_plugin'),
 651             get_string('status', 'core_plugin'),
 652         );
 653         $table->colclasses = array(
 654             'displayname', 'rootdir', 'source', 'versiondb', 'versiondisk', 'requires', 'status',
 655         );
 656         $table->data = array();
 657
 658         $numofhighlighted = array();    // number of highlighted rows per this subsection
 659
 660         foreach ($plugininfo as $type => $plugins) {
 661
 662             $header = new html_table_cell($pluginman->plugintype_name_plural($type));
 663             $header->header = true;
 664             $header->colspan = count($table->head);
 665             $header = new html_table_row(array($header));
 666             $header->attributes['class'] = 'plugintypeheader type-' . $type;
 667
 668             $numofhighlighted[$type] = 0;
 669
 670             if (empty($plugins) and $options['full']) {
 671                 $msg = new html_table_cell(get_string('noneinstalled', 'core_plugin'));
 672                 $msg->colspan = count($table->head);
 673                 $row = new html_table_row(array($msg));
 674                 $row->attributes['class'] .= 'msg msg-noneinstalled';
 675                 $table->data[] = $header;
 676                 $table->data[] = $row;
 677                 continue;
 678             }
 679
 680             $plugintyperows = array();
 681
 682             foreach ($plugins as $name => $plugin) {
 683                 $row = new html_table_row();
 684                 $row->attributes['class'] = 'type-' . $plugin->type . ' name-' . $plugin->type . '_' . $plugin->name;
 685
 686                 if ($this->page->theme->resolve_image_location('icon', $plugin->type . '_' . $plugin->name)) {
 687                     $icon = $this->output->pix_icon('icon', '', $plugin->type . '_' . $plugin->name, array('class' => 'smallicon pluginicon'));
 688                 } else {
 689                     $icon = $this->output->pix_icon('spacer', '', 'moodle', array('class' => 'smallicon pluginicon noicon'));
 690                 }
 691                 $displayname  = $icon . ' ' . $plugin->displayname;
 692                 $displayname = new html_table_cell($displayname);
 693
 694                 $rootdir = new html_table_cell($plugin->get_dir());
 695
 696                 if ($isstandard = $plugin->is_standard()) {
 697                     $row->attributes['class'] .= ' standard';
 698                     $source = new html_table_cell(get_string('sourcestd', 'core_plugin'));
 699                 } else {
 700                     $row->attributes['class'] .= ' extension';
 701                     $source = new html_table_cell(get_string('sourceext', 'core_plugin'));
 702                 }
 703
 704                 $versiondb = new html_table_cell($plugin->versiondb);
 705                 $versiondisk = new html_table_cell($plugin->versiondisk);
 706
 707                 $statuscode = $plugin->get_status();
 708                 $row->attributes['class'] .= ' status-' . $statuscode;
 709                 $status = get_string('status_' . $statuscode, 'core_plugin');
 710
 711                 $availableupdates = $plugin->available_updates();
 712                 if (!empty($availableupdates) and empty($CFG->disableupdatenotifications)) {
 713                     foreach ($availableupdates as $availableupdate) {
 714                         $status .= $this->plugin_available_update_info($availableupdate);
 715                     }
 716                 }
 717
 718                 $status = new html_table_cell($status);
 719
 720                 $requires = new html_table_cell($this->required_column($plugin, $pluginman, $version));
 721
 722                 $statusisboring = in_array($statuscode, array(
 723                         plugin_manager::PLUGIN_STATUS_NODB, plugin_manager::PLUGIN_STATUS_UPTODATE));
 724
 725                 $coredependency = $plugin->is_core_dependency_satisfied($version);
 726                 $otherpluginsdependencies = $pluginman->are_dependencies_satisfied($plugin->get_other_required_plugins());
 727                 $dependenciesok = $coredependency && $otherpluginsdependencies;
 728
 729                 if ($options['xdep']) {
 730                     // we want to see only plugins with failed dependencies
 731                     if ($dependenciesok) {
 732                         continue;
 733                     }
 734
 735                 } else if ($isstandard and $statusisboring and $dependenciesok and empty($availableupdates)) {
 736                     // no change is going to happen to the plugin - display it only
 737                     // if the user wants to see the full list
 738                     if (empty($options['full'])) {
 739                         continue;
 740                     }
 741                 }
 742
 743                 // ok, the plugin should be displayed
 744                 $numofhighlighted[$type]++;
 745
 746                 $row->cells = array($displayname, $rootdir, $source,
 747                     $versiondb, $versiondisk, $requires, $status);
 748                 $plugintyperows[] = $row;
 749             }
 750
 751             if (empty($numofhighlighted[$type]) and empty($options['full'])) {
 752                 continue;
 753             }
 754
 755             $table->data[] = $header;
 756             $table->data = array_merge($table->data, $plugintyperows);
 757         }
 758
 759         $sumofhighlighted = array_sum($numofhighlighted);
 760
 761         if ($options['xdep']) {
 762             // we do not want to display no heading and links in this mode
 763             $out = '';
 764
 765         } else if ($sumofhighlighted == 0) {
 766             $out  = $this->output->container_start('nonehighlighted', 'plugins-check-info');
 767             $out .= $this->output->heading(get_string('nonehighlighted', 'core_plugin'));
 768             if (empty($options['full'])) {
 769                 $out .= html_writer::link(new moodle_url('/admin/index.php',
 770                     array('confirmupgrade' => 1, 'confirmrelease' => 1, 'showallplugins' => 1)),
 771                     get_string('nonehighlightedinfo', 'core_plugin'));
 772             }
 773             $out .= $this->output->container_end();
 774
 775         } else {
 776             $out  = $this->output->container_start('somehighlighted', 'plugins-check-info');
 777             $out .= $this->output->heading(get_string('somehighlighted', 'core_plugin', $sumofhighlighted));
 778             if (empty($options['full'])) {
 779                 $out .= html_writer::link(new moodle_url('/admin/index.php',
 780                     array('confirmupgrade' => 1, 'confirmrelease' => 1, 'showallplugins' => 1)),
 781                     get_string('somehighlightedinfo', 'core_plugin'));
 782             } else {
 783                 $out .= html_writer::link(new moodle_url('/admin/index.php',
 784                     array('confirmupgrade' => 1, 'confirmrelease' => 1, 'showallplugins' => 0)),
 785                     get_string('somehighlightedonly', 'core_plugin'));
 786             }
 787             $out .= $this->output->container_end();
 788         }
 789
 790         if ($sumofhighlighted > 0 or $options['full']) {
 791             $out .= html_writer::table($table);
 792         }
 793
 794         return $out;
 795     }
 796
 797     /**
 798      * Formats the information that needs to go in the 'Requires' column.
 799      * @param plugininfo_base $plugin the plugin we are rendering the row for.
 800      * @param plugin_manager $pluginman provides data on all the plugins.
 801      * @param string $version
 802      * @return string HTML code
 803      */
 804     protected function required_column(plugininfo_base $plugin, plugin_manager $pluginman, $version) {
 805         $requires = array();
 806
 807         if (!empty($plugin->versionrequires)) {
 808             if ($plugin->versionrequires <= $version) {
 809                 $class = 'requires-ok';
 810             } else {
 811                 $class = 'requires-failed';
 812             }
 813             $requires[] = html_writer::tag('li',
 814                 get_string('moodleversion', 'core_plugin', $plugin->versionrequires),
 815                 array('class' => $class));
 816         }
 817
 818         foreach ($plugin->get_other_required_plugins() as $component => $requiredversion) {
 819             $ok = true;
 820             $otherplugin = $pluginman->get_plugin_info($component);
 821
 822             if (is_null($otherplugin)) {
 823                 $ok = false;
 824             } else if ($requiredversion != ANY_VERSION and $otherplugin->versiondisk < $requiredversion) {
 825                 $ok = false;
 826             }
 827
 828             if ($ok) {
 829                 $class = 'requires-ok';
 830             } else {
 831                 $class = 'requires-failed';
 832             }
 833
 834             if ($requiredversion != ANY_VERSION) {
 835                 $str = 'otherpluginversion';
 836             } else {
 837                 $str = 'otherplugin';
 838             }
 839             $requires[] = html_writer::tag('li',
 840                     get_string($str, 'core_plugin',
 841                             array('component' => $component, 'version' => $requiredversion)),
 842                     array('class' => $class));
 843         }
 844
 845         if (!$requires) {
 846             return '';
 847         }
 848         return html_writer::tag('ul', implode("\n", $requires));
 849     }
 850
 851     /**
 852      * Prints an overview about the plugins - number of installed, number of extensions etc.
 853      *
 854      * @param plugin_manager $pluginman provides information about the plugins
 855      * @return string as usually
 856      */
 857     public function plugins_overview_panel(plugin_manager $pluginman) {
 858         global $CFG;
 859
 860         $plugininfo = $pluginman->get_plugins();
 861
 862         $numtotal = $numdisabled = $numextension = $numupdatable = 0;
 863
 864         foreach ($plugininfo as $type => $plugins) {
 865             foreach ($plugins as $name => $plugin) {
 866                 if ($plugin->get_status() === plugin_manager::PLUGIN_STATUS_MISSING) {
 867                     continue;
 868                 }
 869                 $numtotal++;
 870                 if ($plugin->is_enabled() === false) {
 871                     $numdisabled++;
 872                 }
 873                 if (!$plugin->is_standard()) {
 874                     $numextension++;
 875                 }
 876                 if (empty($CFG->disableupdatenotifications) and $plugin->available_updates()) {
 877                     $numupdatable++;
 878                 }
 879             }
 880         }
 881
 882         $info = array();
 883         $info[] = html_writer::tag('span', get_string('numtotal', 'core_plugin', $numtotal), array('class' => 'info total'));
 884         $info[] = html_writer::tag('span', get_string('numdisabled', 'core_plugin', $numdisabled), array('class' => 'info disabled'));
 885         $info[] = html_writer::tag('span', get_string('numextension', 'core_plugin', $numextension), array('class' => 'info extension'));
 886         if ($numupdatable > 0) {
 887             $info[] = html_writer::tag('span', get_string('numupdatable', 'core_plugin', $numupdatable), array('class' => 'info updatable'));
 888         }
 889
 890         return $this->output->box(implode(html_writer::tag('span', ' ', array('class' => 'separator')), $info), '', 'plugins-overview-panel');
 891     }
 892
 893     /**
 894      * Displays all known plugins and links to manage them
 895      *
 896      * This default implementation renders all plugins into one big table.
 897      *
 898      * @param plugin_manager $pluginman provides information about the plugins.
 899      * @return string HTML code
 900      */
 901     public function plugins_control_panel(plugin_manager $pluginman) {
 902         global $CFG;
 903
 904         $plugininfo = $pluginman->get_plugins();
 905
 906         if (empty($plugininfo)) {
 907             return '';
 908         }
 909
 910         $table = new html_table();
 911         $table->id = 'plugins-control-panel';
 912         $table->head = array(
 913             get_string('displayname', 'core_plugin'),
 914             get_string('source', 'core_plugin'),
 915             get_string('version', 'core_plugin'),
 916             get_string('availability', 'core_plugin'),
 917             get_string('actions', 'core_plugin'),
 918             get_string('notes','core_plugin'),
 919         );
 920         $table->colclasses = array(
 921             'pluginname', 'source', 'version', 'availability', 'actions', 'notes'
 922         );
 923
 924         foreach ($plugininfo as $type => $plugins) {
 925
 926             $header = new html_table_cell($pluginman->plugintype_name_plural($type));
 927             $header->header = true;
 928             $header->colspan = count($table->head);
 929             $header = new html_table_row(array($header));
 930             $header->attributes['class'] = 'plugintypeheader type-' . $type;
 931             $table->data[] = $header;
 932
 933             if (empty($plugins)) {
 934                 $msg = new html_table_cell(get_string('noneinstalled', 'core_plugin'));
 935                 $msg->colspan = count($table->head);
 936                 $row = new html_table_row(array($msg));
 937                 $row->attributes['class'] .= 'msg msg-noneinstalled';
 938                 $table->data[] = $row;
 939                 continue;
 940             }
 941
 942             foreach ($plugins as $name => $plugin) {
 943                 $row = new html_table_row();
 944                 $row->attributes['class'] = 'type-' . $plugin->type . ' name-' . $plugin->type . '_' . $plugin->name;
 945
 946                 if ($this->page->theme->resolve_image_location('icon', $plugin->type . '_' . $plugin->name)) {
 947                     $icon = $this->output->pix_icon('icon', '', $plugin->type . '_' . $plugin->name, array('class' => 'smallicon pluginicon'));
 948                 } else {
 949                     $icon = $this->output->pix_icon('spacer', '', 'moodle', array('class' => 'smallicon pluginicon noicon'));
 950                 }
 951                 if ($plugin->get_status() === plugin_manager::PLUGIN_STATUS_MISSING) {
 952                     $msg = html_writer::tag('span', get_string('status_missing', 'core_plugin'), array('class' => 'notifyproblem'));
 953                     $row->attributes['class'] .= ' missingfromdisk';
 954                 } else {
 955                     $msg = '';
 956                 }
 957                 $pluginname  = html_writer::tag('div', $icon . ' ' . $plugin->displayname . ' ' . $msg, array('class' => 'displayname')).
 958                                html_writer::tag('div', $plugin->component, array('class' => 'componentname'));
 959                 $pluginname  = new html_table_cell($pluginname);
 960
 961                 if ($plugin->is_standard()) {
 962                     $row->attributes['class'] .= ' standard';
 963                     $source = new html_table_cell(get_string('sourcestd', 'core_plugin'));
 964                 } else {
 965                     $row->attributes['class'] .= ' extension';
 966                     $source = new html_table_cell(get_string('sourceext', 'core_plugin'));
 967                 }
 968
 969                 $version = new html_table_cell($plugin->versiondb);
 970
 971                 $isenabled = $plugin->is_enabled();
 972                 if (is_null($isenabled)) {
 973                     $availability = new html_table_cell('');
 974                 } else if ($isenabled) {
 975                     $row->attributes['class'] .= ' enabled';
 976                     $icon = $this->output->pix_icon('i/hide', get_string('pluginenabled', 'core_plugin'));
 977                     $availability = new html_table_cell($icon . ' ' . get_string('pluginenabled', 'core_plugin'));
 978                 } else {
 979                     $row->attributes['class'] .= ' disabled';
 980                     $icon = $this->output->pix_icon('i/show', get_string('plugindisabled', 'core_plugin'));
 981                     $availability = new html_table_cell($icon . ' ' . get_string('plugindisabled', 'core_plugin'));
 982                 }
 983
 984                 $actions = array();
 985
 986                 $settingsurl = $plugin->get_settings_url();
 987                 if (!is_null($settingsurl)) {
 988                     $actions[] = html_writer::link($settingsurl, get_string('settings', 'core_plugin'), array('class' => 'settings'));
 989                 }
 990
 991                 $uninstallurl = $plugin->get_uninstall_url();
 992                 if (!is_null($uninstallurl)) {
 993                     $actions[] = html_writer::link($uninstallurl, get_string('uninstall', 'core_plugin'), array('class' => 'uninstall'));
 994                 }
 995
 996                 $actions = new html_table_cell(implode(html_writer::tag('span', ' ', array('class' => 'separator')), $actions));
 997
 998                 $requriedby = $pluginman->other_plugins_that_require($plugin->component);
 999                 if ($requriedby) {
1000                     $requiredby = html_writer::tag('div', get_string('requiredby', 'core_plugin', implode(', ', $requriedby)),
1001                         array('class' => 'requiredby'));
1002                 } else {
1003                     $requiredby = '';
1004                 }
1005
1006                 $updateinfo = '';
1007                 if (empty($CFG->disableupdatenotifications) and is_array($plugin->available_updates())) {
1008                     foreach ($plugin->available_updates() as $availableupdate) {
1009                         $updateinfo .= $this->plugin_available_update_info($availableupdate);
1010                     }
1011                 }
1012
1013                 $notes = new html_table_cell($requiredby.$updateinfo);
1014
1015                 $row->cells = array(
1016                     $pluginname, $source, $version, $availability, $actions, $notes
1017                 );
1018                 $table->data[] = $row;
1019             }
1020         }
1021
1022         return html_writer::table($table);
1023     }
1024
1025     /**
1026      * Helper method to render the information about the available plugin update
1027      *
1028      * The passed objects always provides at least the 'version' property containing
1029      * the (higher) version of the plugin available.
1030      *
1031      * @param available_update_info $updateinfo information about the available update for the plugin
1032      */
1033     protected function plugin_available_update_info(available_update_info $updateinfo) {
1034
1035         $boxclasses = 'pluginupdateinfo';
1036         $info = array();
1037
1038         if (isset($updateinfo->release)) {
1039             $info[] = html_writer::tag('span', get_string('updateavailable_release', 'core_plugin', $updateinfo->release),
1040                 array('class' => 'info release'));
1041         }
1042
1043         if (isset($updateinfo->maturity)) {
1044             $info[] = html_writer::tag('span', get_string('maturity'.$updateinfo->maturity, 'core_admin'),
1045                 array('class' => 'info maturity'));
1046             $boxclasses .= ' maturity'.$updateinfo->maturity;
1047         }
1048
1049         if (isset($updateinfo->download)) {
1050             $info[] = html_writer::link($updateinfo->download, get_string('download'), array('class' => 'info download'));
1051         }
1052
1053         if (isset($updateinfo->url)) {
1054             $info[] = html_writer::link($updateinfo->url, get_string('updateavailable_moreinfo', 'core_plugin'),
1055                 array('class' => 'info more'));
1056         }
1057
1058         $box  = $this->output->box_start($boxclasses);
1059         $box .= html_writer::tag('div', get_string('updateavailable', 'core_plugin', $updateinfo->version), array('class' => 'version'));
1060         $box .= $this->output->box(implode(html_writer::tag('span', ' ', array('class' => 'separator')), $info), '');
1061         $box .= $this->output->box_end();
1062
1063         return $box;
1064     }
1065
1066     /**
1067      * This function will render one beautiful table with all the environmental
1068      * configuration and how it suits Moodle needs.
1069      *
1070      * @param boolean $result final result of the check (true/false)
1071      * @param array $environment_results array of results gathered
1072      * @return string HTML to output.
1073      */
1074     public function environment_check_table($result, $environment_results) {
1075         global $CFG;
1076
1077         // Table headers
1078         $servertable = new html_table();//table for server checks
1079         $servertable->head  = array(
1080             get_string('name'),
1081             get_string('info'),
1082             get_string('report'),
1083             get_string('status'),
1084         );
1085         $servertable->align = array('center', 'center', 'left', 'center');
1086         $servertable->wrap  = array('nowrap', '', '', 'nowrap');
1087         $servertable->size  = array('10', 10, '100%', '10');
1088         $servertable->attributes['class'] = 'environmenttable generaltable';
1089
1090         $serverdata = array('ok'=>array(), 'warn'=>array(), 'error'=>array());
1091
1092         $othertable = new html_table();//table for custom checks
1093         $othertable->head  = array(
1094             get_string('info'),
1095             get_string('report'),
1096             get_string('status'),
1097         );
1098         $othertable->align = array('center', 'left', 'center');
1099         $othertable->wrap  = array('', '', 'nowrap');
1100         $othertable->size  = array(10, '100%', '10');
1101         $othertable->attributes['class'] = 'environmenttable generaltable';
1102
1103         $otherdata = array('ok'=>array(), 'warn'=>array(), 'error'=>array());
1104
1105         // Iterate over each environment_result
1106         $continue = true;
1107         foreach ($environment_results as $environment_result) {
1108             $errorline   = false;
1109             $warningline = false;
1110             $stringtouse = '';
1111             if ($continue) {
1112                 $type = $environment_result->getPart();
1113                 $info = $environment_result->getInfo();
1114                 $status = $environment_result->getStatus();
1115                 $error_code = $environment_result->getErrorCode();
1116                 // Process Report field
1117                 $rec = new stdClass();
1118                 // Something has gone wrong at parsing time
1119                 if ($error_code) {
1120                     $stringtouse = 'environmentxmlerror';
1121                     $rec->error_code = $error_code;
1122                     $status = get_string('error');
1123                     $errorline = true;
1124                     $continue = false;
1125                 }
1126
1127                 if ($continue) {
1128                     if ($rec->needed = $environment_result->getNeededVersion()) {
1129                         // We are comparing versions
1130                         $rec->current = $environment_result->getCurrentVersion();
1131                         if ($environment_result->getLevel() == 'required') {
1132                             $stringtouse = 'environmentrequireversion';
1133                         } else {
1134                             $stringtouse = 'environmentrecommendversion';
1135                         }
1136
1137                     } else if ($environment_result->getPart() == 'custom_check') {
1138                         // We are checking installed & enabled things
1139                         if ($environment_result->getLevel() == 'required') {
1140                             $stringtouse = 'environmentrequirecustomcheck';
1141                         } else {
1142                             $stringtouse = 'environmentrecommendcustomcheck';
1143                         }
1144
1145                     } else if ($environment_result->getPart() == 'php_setting') {
1146                         if ($status) {
1147                             $stringtouse = 'environmentsettingok';
1148                         } else if ($environment_result->getLevel() == 'required') {
1149                             $stringtouse = 'environmentmustfixsetting';
1150                         } else {
1151                             $stringtouse = 'environmentshouldfixsetting';
1152                         }
1153
1154                     } else {
1155                         if ($environment_result->getLevel() == 'required') {
1156                             $stringtouse = 'environmentrequireinstall';
1157                         } else {
1158                             $stringtouse = 'environmentrecommendinstall';
1159                         }
1160                     }
1161
1162                     // Calculate the status value
1163                     if ($environment_result->getBypassStr() != '') {            //Handle bypassed result (warning)
1164                         $status = get_string('bypassed');
1165                         $warningline = true;
1166                     } else if ($environment_result->getRestrictStr() != '') {   //Handle restricted result (error)
1167                         $status = get_string('restricted');
1168                         $errorline = true;
1169                     } else {
1170                         if ($status) {                                          //Handle ok result (ok)
1171                             $status = get_string('ok');
1172                         } else {
1173                             if ($environment_result->getLevel() == 'optional') {//Handle check result (warning)
1174                                 $status = get_string('check');
1175                                 $warningline = true;
1176                             } else {                                            //Handle error result (error)
1177                                 $status = get_string('check');
1178                                 $errorline = true;
1179                             }
1180                         }
1181                     }
1182                 }
1183
1184                 // Build the text
1185                 $linkparts = array();
1186                 $linkparts[] = 'admin/environment';
1187                 $linkparts[] = $type;
1188                 if (!empty($info)){
1189                    $linkparts[] = $info;
1190                 }
1191                 if (empty($CFG->docroot)) {
1192                     $report = get_string($stringtouse, 'admin', $rec);
1193                 } else {
1194                     $report = $this->doc_link(join($linkparts, '/'), get_string($stringtouse, 'admin', $rec));
1195                 }
1196
1197                 // Format error or warning line
1198                 if ($errorline || $warningline) {
1199                     $messagetype = $errorline? 'error':'warn';
1200                 } else {
1201                     $messagetype = 'ok';
1202                 }
1203                 $status = '<span class="'.$messagetype.'">'.$status.'</span>';
1204                 // Here we'll store all the feedback found
1205                 $feedbacktext = '';
1206                 // Append the feedback if there is some
1207                 $feedbacktext .= $environment_result->strToReport($environment_result->getFeedbackStr(), $messagetype);
1208                 //Append the bypass if there is some
1209                 $feedbacktext .= $environment_result->strToReport($environment_result->getBypassStr(), 'warn');
1210                 //Append the restrict if there is some
1211                 $feedbacktext .= $environment_result->strToReport($environment_result->getRestrictStr(), 'error');
1212
1213                 $report .= $feedbacktext;
1214
1215                 // Add the row to the table
1216                 if ($environment_result->getPart() == 'custom_check'){
1217                     $otherdata[$messagetype][] = array ($info, $report, $status);
1218                 } else {
1219                     $serverdata[$messagetype][] = array ($type, $info, $report, $status);
1220                 }
1221             }
1222         }
1223
1224         //put errors first in
1225         $servertable->data = array_merge($serverdata['error'], $serverdata['warn'], $serverdata['ok']);
1226         $othertable->data = array_merge($otherdata['error'], $otherdata['warn'], $otherdata['ok']);
1227
1228         // Print table
1229         $output = '';
1230         $output .= $this->heading(get_string('serverchecks', 'admin'));
1231         $output .= html_writer::table($servertable);
1232         if (count($othertable->data)){
1233             $output .= $this->heading(get_string('customcheck', 'admin'));
1234             $output .= html_writer::table($othertable);
1235         }
1236
1237         // Finally, if any error has happened, print the summary box
1238         if (!$result) {
1239             $output .= $this->box(get_string('environmenterrortodo', 'admin'), 'environmentbox errorbox');
1240         }
1241
1242         return $output;
1243     }
1244 }