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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 | * Defines classes used for plugins management | |
19 | * | |
20 | * This library provides a unified interface to various plugin types in | |
21 | * Moodle. It is mainly used by the plugins management admin page and the | |
22 | * plugins check page during the upgrade. | |
23 | * | |
24 | * @package core | |
25 | * @subpackage admin | |
26 | * @copyright 2011 David Mudrak <david@moodle.com> | |
27 | * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | |
28 | */ | |
29 | ||
30 | defined('MOODLE_INTERNAL') || die(); | |
31 | ||
32 | /** | |
33 | * Singleton class providing general plugins management functionality | |
34 | */ | |
35 | class plugin_manager { | |
36 | ||
37 | /** the plugin is shipped with standard Moodle distribution */ | |
38 | const PLUGIN_SOURCE_STANDARD = 'std'; | |
39 | /** the plugin is added extension */ | |
40 | const PLUGIN_SOURCE_EXTENSION = 'ext'; | |
41 | ||
42 | /** the plugin uses neither database nor capabilities, no versions */ | |
43 | const PLUGIN_STATUS_NODB = 'nodb'; | |
44 | /** the plugin is up-to-date */ | |
45 | const PLUGIN_STATUS_UPTODATE = 'uptodate'; | |
46 | /** the plugin is about to be installed */ | |
47 | const PLUGIN_STATUS_NEW = 'new'; | |
48 | /** the plugin is about to be upgraded */ | |
49 | const PLUGIN_STATUS_UPGRADE = 'upgrade'; | |
50 | /** the version at the disk is lower than the one already installed */ | |
51 | const PLUGIN_STATUS_DOWNGRADE = 'downgrade'; | |
52 | /** the plugin is installed but missing from disk */ | |
53 | const PLUGIN_STATUS_MISSING = 'missing'; | |
54 | ||
55 | /** @var plugin_manager holds the singleton instance */ | |
56 | protected static $singletoninstance; | |
57 | /** @var array of raw plugins information */ | |
58 | protected $pluginsinfo = null; | |
59 | /** @var array of raw subplugins information */ | |
60 | protected $subpluginsinfo = null; | |
61 | ||
62 | /** | |
63 | * Direct initiation not allowed, use the factory method {@link self::instance()} | |
64 | * | |
65 | * @todo we might want to specify just a single plugin type to work with | |
66 | */ | |
67 | protected function __construct() { | |
68 | $this->get_plugins(true); | |
69 | } | |
70 | ||
71 | /** | |
72 | * Sorry, this is singleton | |
73 | */ | |
74 | protected function __clone() { | |
75 | } | |
76 | ||
77 | /** | |
78 | * Factory method for this class | |
79 | * | |
80 | * @return plugin_manager the singleton instance | |
81 | */ | |
82 | public static function instance() { | |
83 | global $CFG; | |
84 | ||
85 | if (is_null(self::$singletoninstance)) { | |
86 | self::$singletoninstance = new self(); | |
87 | } | |
88 | return self::$singletoninstance; | |
89 | } | |
90 | ||
91 | /** | |
92 | * Returns a tree of known plugins and information about them | |
93 | * | |
94 | * @param bool $disablecache force reload, cache can be used otherwise | |
95 | * @return array | |
96 | */ | |
97 | public function get_plugins($disablecache=false) { | |
98 | ||
99 | if ($disablecache or is_null($this->pluginsinfo)) { | |
100 | $this->pluginsinfo = array(); | |
101 | $plugintypes = get_plugin_types(); | |
102 | foreach ($plugintypes as $plugintype => $plugintyperootdir) { | |
103 | if (in_array($plugintype, array('base', 'general'))) { | |
104 | throw new coding_exception('Illegal usage of reserved word for plugin type'); | |
105 | } | |
106 | if (class_exists('plugintype_' . $plugintype)) { | |
107 | $plugintypeclass = 'plugintype_' . $plugintype; | |
108 | } else { | |
109 | $plugintypeclass = 'plugintype_general'; | |
110 | } | |
111 | if (!in_array('plugintype_interface', class_implements($plugintypeclass))) { | |
112 | throw new coding_exception('Class ' . $plugintypeclass . ' must implement plugintype_interface'); | |
113 | } | |
114 | $plugins = call_user_func(array($plugintypeclass, 'get_plugins'), $plugintype, $plugintyperootdir, $plugintypeclass); | |
115 | $this->pluginsinfo[$plugintype] = $plugins; | |
116 | } | |
117 | } | |
118 | ||
119 | return $this->pluginsinfo; | |
120 | } | |
121 | ||
122 | /** | |
123 | * Returns list of plugins that define their subplugins and information about them | |
124 | * | |
125 | * At the moment, only activity modules can define subplugins. | |
126 | * | |
127 | * @param double $disablecache force reload, cache can be used otherwise | |
128 | * @return array | |
129 | */ | |
130 | public function get_subplugins($disablecache=false) { | |
131 | ||
132 | if ($disablecache or is_null($this->subpluginsinfo)) { | |
133 | $this->subpluginsinfo = array(); | |
134 | $mods = get_plugin_list('mod'); | |
135 | foreach ($mods as $mod => $moddir) { | |
136 | $modsubplugins = array(); | |
137 | if (file_exists($moddir . '/db/subplugins.php')) { | |
138 | include($moddir . '/db/subplugins.php'); | |
139 | foreach ($subplugins as $subplugintype => $subplugintyperootdir) { | |
140 | $subplugin = new stdClass(); | |
141 | $subplugin->type = $subplugintype; | |
142 | $subplugin->typerootdir = $subplugintyperootdir; | |
143 | $modsubplugins[$subplugintype] = $subplugin; | |
144 | } | |
145 | $this->subpluginsinfo['mod_' . $mod] = $modsubplugins; | |
146 | } | |
147 | } | |
148 | } | |
149 | ||
150 | return $this->subpluginsinfo; | |
151 | } | |
152 | ||
153 | /** | |
154 | * Returns the name of the plugin that defines the given subplugin type | |
155 | * | |
156 | * If the given subplugin type is not actually a subplugin, returns false. | |
157 | * | |
158 | * @param string $subplugintype the name of subplugin type, eg. workshopform or quiz | |
159 | * @return false|string the name of the parent plugin, eg. mod_workshop | |
160 | */ | |
161 | public function get_parent_of_subplugin($subplugintype) { | |
162 | ||
163 | $parent = false; | |
164 | foreach ($this->get_subplugins() as $pluginname => $subplugintypes) { | |
165 | if (isset($subplugintypes[$subplugintype])) { | |
166 | $parent = $pluginname; | |
167 | break; | |
168 | } | |
169 | } | |
170 | ||
171 | return $parent; | |
172 | } | |
173 | ||
174 | /** | |
175 | * Returns a localized name of a given plugin | |
176 | * | |
177 | * @param string $plugin name of the plugin, eg mod_workshop or auth_ldap | |
178 | * @return string | |
179 | */ | |
180 | public function plugin_name($plugin) { | |
181 | list($type, $name) = normalize_component($plugin); | |
182 | return $this->pluginsinfo[$type][$name]->displayname; | |
183 | } | |
184 | ||
185 | /** | |
186 | * Returns a localized name of a plugin type in plural form | |
187 | * | |
188 | * Most plugin types define their names in core_plugin lang file. In case of subplugins, | |
189 | * we try to ask the parent plugin for the name. In the worst case, we will return | |
190 | * the value of the passed $type parameter. | |
191 | * | |
192 | * @param string $type the type of the plugin, e.g. mod or workshopform | |
193 | * @return string | |
194 | */ | |
195 | public function plugintype_name_plural($type) { | |
196 | ||
197 | if (get_string_manager()->string_exists('type_' . $type . '_plural', 'core_plugin')) { | |
198 | // for most plugin types, their names are defined in core_plugin lang file | |
199 | return get_string('type_' . $type . '_plural', 'core_plugin'); | |
200 | ||
201 | } else if ($parent = $this->get_parent_of_subplugin($type)) { | |
202 | // if this is a subplugin, try to ask the parent plugin for the name | |
203 | if (get_string_manager()->string_exists('subplugintype_' . $type . '_plural', $parent)) { | |
204 | return $this->plugin_name($parent) . ' / ' . get_string('subplugintype_' . $type . '_plural', $parent); | |
205 | } else { | |
206 | return $this->plugin_name($parent) . ' / ' . $type; | |
207 | } | |
208 | ||
209 | } else { | |
210 | return $type; | |
211 | } | |
212 | } | |
213 | ||
214 | /** | |
215 | * Defines a white list of all plugins shipped in the standard Moodle distribution | |
216 | * | |
217 | * @return false|array array of standard plugins or false if the type is unknown | |
218 | */ | |
219 | public static function standard_plugins_list($type) { | |
220 | static $standard_plugins = array( | |
221 | ||
222 | 'assignment' => array( | |
223 | 'offline', 'online', 'upload', 'uploadsingle' | |
224 | ), | |
225 | ||
226 | 'auth' => array( | |
227 | 'cas', 'db', 'email', 'fc', 'imap', 'ldap', 'manual', 'mnet', | |
228 | 'nntp', 'nologin', 'none', 'pam', 'pop3', 'radius', | |
229 | 'shibboleth', 'webservice' | |
230 | ), | |
231 | ||
232 | 'block' => array( | |
233 | 'activity_modules', 'admin_bookmarks', 'blog_menu', | |
234 | 'blog_recent', 'blog_tags', 'calendar_month', | |
235 | 'calendar_upcoming', 'comments', 'community', | |
236 | 'completionstatus', 'course_list', 'course_overview', | |
237 | 'course_summary', 'feedback', 'glossary_random', 'html', | |
238 | 'login', 'mentees', 'messages', 'mnet_hosts', 'myprofile', | |
239 | 'navigation', 'news_items', 'online_users', 'participants', | |
240 | 'private_files', 'quiz_results', 'recent_activity', | |
241 | 'rss_client', 'search', 'search_forums', 'section_links', | |
242 | 'selfcompletion', 'settings', 'site_main_menu', | |
243 | 'social_activities', 'tag_flickr', 'tag_youtube', 'tags' | |
244 | ), | |
245 | ||
246 | 'coursereport' => array( | |
247 | 'completion', 'log', 'outline', 'participation', 'progress', 'stats' | |
248 | ), | |
249 | ||
250 | 'datafield' => array( | |
251 | 'checkbox', 'date', 'file', 'latlong', 'menu', 'multimenu', | |
252 | 'number', 'picture', 'radiobutton', 'text', 'textarea', 'url' | |
253 | ), | |
254 | ||
255 | 'datapreset' => array( | |
256 | 'imagegallery' | |
257 | ), | |
258 | ||
259 | 'editor' => array( | |
260 | 'textarea', 'tinymce' | |
261 | ), | |
262 | ||
263 | 'enrol' => array( | |
264 | 'authorize', 'category', 'cohort', 'database', 'flatfile', | |
265 | 'guest', 'imsenterprise', 'ldap', 'manual', 'meta', 'mnet', | |
266 | 'paypal', 'self' | |
267 | ), | |
268 | ||
269 | 'filter' => array( | |
270 | 'activitynames', 'algebra', 'censor', 'emailprotect', | |
271 | 'emoticon', 'mediaplugin', 'multilang', 'tex', 'tidy', | |
272 | 'urltolink', 'mod_data', 'mod_glossary' | |
273 | ), | |
274 | ||
275 | 'format' => array( | |
276 | 'scorm', 'social', 'topics', 'weeks' | |
277 | ), | |
278 | ||
279 | 'gradeexport' => array( | |
280 | 'ods', 'txt', 'xls', 'xml' | |
281 | ), | |
282 | ||
283 | 'gradeimport' => array( | |
284 | 'csv', 'xml' | |
285 | ), | |
286 | ||
287 | 'gradereport' => array( | |
288 | 'grader', 'outcomes', 'overview', 'user' | |
289 | ), | |
290 | ||
291 | 'local' => array( | |
d1c77ac3 | 292 | 'qeupgradehelper' |
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293 | ), |
294 | ||
295 | 'message' => array( | |
296 | 'email', 'jabber', 'popup' | |
297 | ), | |
298 | ||
299 | 'mnetservice' => array( | |
300 | 'enrol' | |
301 | ), | |
302 | ||
303 | 'mod' => array( | |
304 | 'assignment', 'chat', 'choice', 'data', 'feedback', 'folder', | |
305 | 'forum', 'glossary', 'imscp', 'label', 'lesson', 'page', | |
306 | 'quiz', 'resource', 'scorm', 'survey', 'url', 'wiki', 'workshop' | |
307 | ), | |
308 | ||
309 | 'plagiarism' => array( | |
310 | ), | |
311 | ||
312 | 'portfolio' => array( | |
313 | 'boxnet', 'download', 'flickr', 'googledocs', 'mahara', 'picasa' | |
314 | ), | |
315 | ||
316 | 'profilefield' => array( | |
317 | 'checkbox', 'datetime', 'menu', 'text', 'textarea' | |
318 | ), | |
319 | ||
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320 | 'qbehaviour' => array( |
321 | 'adaptive', 'adaptivenopenalty', 'deferredcbm', | |
322 | 'deferredfeedback', 'immediatecbm', 'immediatefeedback', | |
323 | 'informationitem', 'interactive', 'interactivecountback', | |
324 | 'manualgraded', 'missing' | |
325 | ), | |
326 | ||
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327 | 'qformat' => array( |
328 | 'aiken', 'blackboard', 'blackboard_six', 'examview', 'gift', | |
329 | 'learnwise', 'missingword', 'multianswer', 'qti_two', 'webct', | |
330 | 'xhtml', 'xml' | |
331 | ), | |
332 | ||
333 | 'qtype' => array( | |
334 | 'calculated', 'calculatedmulti', 'calculatedsimple', | |
335 | 'description', 'essay', 'match', 'missingtype', 'multianswer', | |
336 | 'multichoice', 'numerical', 'random', 'randomsamatch', | |
337 | 'shortanswer', 'truefalse' | |
338 | ), | |
339 | ||
340 | 'quiz' => array( | |
341 | 'grading', 'overview', 'responses', 'statistics' | |
342 | ), | |
343 | ||
344 | 'report' => array( | |
345 | 'backups', 'capability', 'configlog', 'courseoverview', | |
346 | 'customlang', 'log', 'profiling', 'questioninstances', | |
347 | 'security', 'spamcleaner', 'stats', 'unittest', 'unsuproles' | |
348 | ), | |
349 | ||
350 | 'repository' => array( | |
351 | 'alfresco', 'boxnet', 'coursefiles', 'dropbox', 'filesystem', | |
352 | 'flickr', 'flickr_public', 'googledocs', 'local', 'merlot', | |
353 | 'picasa', 'recent', 's3', 'upload', 'url', 'user', 'webdav', | |
354 | 'wikimedia', 'youtube' | |
355 | ), | |
356 | ||
357 | 'theme' => array( | |
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358 | 'afterburner', 'anomaly', 'arialist', 'base', 'binarius', |
359 | 'boxxie', 'brick', 'canvas', 'formal_white', 'formfactor', | |
360 | 'fusion', 'leatherbound', 'magazine', 'nimble', 'nonzero', | |
361 | 'overlay', 'serenity', 'sky_high', 'splash', 'standard', | |
362 | 'standardold' | |
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363 | ), |
364 | ||
365 | 'webservice' => array( | |
366 | 'amf', 'rest', 'soap', 'xmlrpc' | |
367 | ), | |
368 | ||
369 | 'workshopallocation' => array( | |
370 | 'manual', 'random' | |
371 | ), | |
372 | ||
373 | 'workshopeval' => array( | |
374 | 'best' | |
375 | ), | |
376 | ||
377 | 'workshopform' => array( | |
378 | 'accumulative', 'comments', 'numerrors', 'rubric' | |
379 | ) | |
380 | ); | |
381 | ||
382 | if (isset($standard_plugins[$type])) { | |
383 | return $standard_plugins[$type]; | |
384 | ||
385 | } else { | |
386 | return false; | |
387 | } | |
388 | } | |
389 | } | |
390 | ||
391 | /** | |
392 | * All classes that represent a plugin of some type must implement this interface | |
393 | */ | |
394 | interface plugintype_interface { | |
395 | ||
396 | /** | |
397 | * Gathers and returns the information about all plugins of the given type | |
398 | * | |
399 | * Passing the parameter $typeclass allows us to reach the same effect as with the | |
400 | * late binding in PHP 5.3. Once PHP 5.3 is required, we can refactor this to use | |
401 | * {@example $plugin = new static();} instead of {@example $plugin = new $typeclass()} | |
402 | * | |
403 | * @param string $type the name of the plugintype, eg. mod, auth or workshopform | |
404 | * @param string $typerootdir full path to the location of the plugin dir | |
405 | * @param string $typeclass the name of the actually called class | |
406 | * @return array of plugintype classes, indexed by the plugin name | |
407 | */ | |
408 | public static function get_plugins($type, $typerootdir, $typeclass); | |
409 | ||
410 | /** | |
411 | * Sets $displayname property to a localized name of the plugin | |
412 | * | |
413 | * @return void | |
414 | */ | |
415 | public function set_display_name(); | |
416 | ||
417 | /** | |
418 | * Sets $versiondisk property to a numerical value representing the | |
419 | * version of the plugin's source code. | |
420 | * | |
421 | * If the value is null after calling this method, either the plugin | |
422 | * does not use versioning (typically does not have any database | |
423 | * data) or is missing from disk. | |
424 | * | |
425 | * @return void | |
426 | */ | |
427 | public function set_version_disk(); | |
428 | ||
429 | /** | |
430 | * Sets $versiondb property to a numerical value representing the | |
431 | * currently installed version of the plugin. | |
432 | * | |
433 | * If the value is null after calling this method, either the plugin | |
434 | * does not use versioning (typically does not have any database | |
435 | * data) or has not been installed yet. | |
436 | * | |
437 | * @return void | |
438 | */ | |
439 | public function set_version_db(); | |
440 | ||
441 | /** | |
442 | * Sets $versionrequires property to a numerical value representing | |
443 | * the version of Moodle core that this plugin requires. | |
444 | * | |
445 | * @return void | |
446 | */ | |
447 | public function set_version_requires(); | |
448 | ||
449 | /** | |
450 | * Sets $source property to one of plugin_manager::PLUGIN_SOURCE_xxx | |
451 | * constants. | |
452 | * | |
453 | * If the property's value is null after calling this method, then | |
454 | * the type of the plugin has not been recognized and you should throw | |
455 | * an exception. | |
456 | * | |
457 | * @return void | |
458 | */ | |
459 | public function set_source(); | |
460 | ||
461 | /** | |
462 | * Returns true if the plugin is shipped with the official distribution | |
463 | * of the current Moodle version, false otherwise. | |
464 | * | |
465 | * @return bool | |
466 | */ | |
467 | public function is_standard(); | |
468 | ||
469 | /** | |
470 | * Returns the status of the plugin | |
471 | * | |
472 | * @return string one of plugin_manager::PLUGIN_STATUS_xxx constants | |
473 | */ | |
474 | public function get_status(); | |
475 | ||
476 | /** | |
477 | * Returns the information about plugin availability | |
478 | * | |
479 | * True means that the plugin is enabled. False means that the plugin is | |
480 | * disabled. Null means that the information is not available, or the | |
481 | * plugin does not support configurable availability or the availability | |
482 | * can not be changed. | |
483 | * | |
484 | * @return null|bool | |
485 | */ | |
486 | public function is_enabled(); | |
487 | ||
488 | /** | |
489 | * Returns the URL of the plugin settings screen | |
490 | * | |
491 | * Null value means that the plugin either does not have the settings screen | |
492 | * or its location is not available via this library. | |
493 | * | |
494 | * @return null|moodle_url | |
495 | */ | |
496 | public function get_settings_url(); | |
497 | ||
498 | /** | |
499 | * Returns the URL of the screen where this plugin can be uninstalled | |
500 | * | |
501 | * Visiting that URL must be safe, that is a manual confirmation is needed | |
502 | * for actual uninstallation of the plugin. Null value means that the | |
503 | * plugin either does not support uninstallation, or does not require any | |
504 | * database cleanup or the location of the screen is not available via this | |
505 | * library. | |
506 | * | |
507 | * @return null|moodle_url | |
508 | */ | |
509 | public function get_uninstall_url(); | |
510 | ||
511 | /** | |
512 | * Returns relative directory of the plugin with heading '/' | |
513 | * | |
514 | * @example /mod/workshop | |
515 | * @return string | |
516 | */ | |
517 | public function get_dir(); | |
518 | } | |
519 | ||
520 | /** | |
521 | * Defines public properties that all plugintype classes must have | |
522 | * and provides default implementation of required methods. | |
523 | */ | |
524 | abstract class plugintype_base { | |
525 | ||
526 | /** @var string the plugintype name, eg. mod, auth or workshopform */ | |
527 | public $type; | |
528 | /** @var string full path to the location of all the plugins of this type */ | |
529 | public $typerootdir; | |
530 | /** @var string the plugin name, eg. assignment, ldap */ | |
531 | public $name; | |
532 | /** @var string the localized plugin name */ | |
533 | public $displayname; | |
534 | /** @var string the plugin source, one of plugin_manager::PLUGIN_SOURCE_xxx constants */ | |
535 | public $source; | |
536 | /** @var fullpath to the location of this plugin */ | |
537 | public $rootdir; | |
538 | /** @var int|string the version of the plugin's source code */ | |
539 | public $versiondisk; | |
540 | /** @var int|string the version of the installed plugin */ | |
541 | public $versiondb; | |
542 | /** @var int|float|string required version of Moodle core */ | |
543 | public $versionrequires; | |
544 | /** @var int number of instances of the plugin - not supported yet */ | |
545 | public $instances; | |
546 | /** @var int order of the plugin among other plugins of the same type - not supported yet */ | |
547 | public $sortorder; | |
548 | ||
549 | /** | |
550 | * @see plugintype_interface::get_plugins() | |
551 | */ | |
552 | public static function get_plugins($type, $typerootdir, $typeclass) { | |
553 | ||
554 | // get the information about plugins at the disk | |
555 | $plugins = get_plugin_list($type); | |
556 | $ondisk = array(); | |
557 | foreach ($plugins as $pluginname => $pluginrootdir) { | |
558 | $plugin = new $typeclass(); | |
559 | $plugin->type = $type; | |
560 | $plugin->typerootdir = $typerootdir; | |
561 | $plugin->name = $pluginname; | |
562 | $plugin->rootdir = $pluginrootdir; | |
563 | ||
564 | $plugin->set_display_name(); | |
565 | $plugin->set_version_disk(); | |
566 | $plugin->set_version_db(); | |
567 | $plugin->set_version_requires(); | |
568 | $plugin->set_source(); | |
569 | ||
570 | $ondisk[$pluginname] = $plugin; | |
571 | } | |
572 | return $ondisk; | |
573 | } | |
574 | ||
575 | /** | |
576 | * @see plugintype_interface::set_display_name() | |
577 | */ | |
578 | public function set_display_name() { | |
579 | if (! get_string_manager()->string_exists('pluginname', $this->type . '_' . $this->name)) { | |
580 | $this->displayname = '[pluginname,' . $this->type . '_' . $this->name . ']'; | |
581 | } else { | |
582 | $this->displayname = get_string('pluginname', $this->type . '_' . $this->name); | |
583 | } | |
584 | } | |
585 | ||
586 | /** | |
587 | * @see plugintype_interface::set_version_disk() | |
588 | */ | |
589 | public function set_version_disk() { | |
590 | ||
591 | if (empty($this->rootdir)) { | |
592 | return; | |
593 | } | |
594 | ||
595 | $versionfile = $this->rootdir . '/version.php'; | |
596 | ||
597 | if (is_readable($versionfile)) { | |
598 | include($versionfile); | |
599 | if (isset($plugin->version)) { | |
600 | $this->versiondisk = $plugin->version; | |
601 | } | |
602 | } | |
603 | } | |
604 | ||
605 | /** | |
606 | * @see plugintype_interface::set_version_db() | |
607 | */ | |
608 | public function set_version_db() { | |
609 | ||
610 | if ($ver = self::get_version_from_config_plugins($this->type . '_' . $this->name)) { | |
611 | $this->versiondb = $ver; | |
612 | } | |
613 | } | |
614 | ||
615 | /** | |
616 | * @see plugintype_interface::set_version_requires() | |
617 | */ | |
618 | public function set_version_requires() { | |
619 | ||
620 | if (empty($this->rootdir)) { | |
621 | return; | |
622 | } | |
623 | ||
624 | $versionfile = $this->rootdir . '/version.php'; | |
625 | ||
626 | if (is_readable($versionfile)) { | |
627 | include($versionfile); | |
628 | if (isset($plugin->requires)) { | |
629 | $this->versionrequires = $plugin->requires; | |
630 | } | |
631 | } | |
632 | } | |
633 | ||
634 | /** | |
635 | * @see plugintype_interface::set_source() | |
636 | */ | |
637 | public function set_source() { | |
638 | ||
639 | $standard = plugin_manager::standard_plugins_list($this->type); | |
640 | ||
641 | if ($standard !== false) { | |
642 | $standard = array_flip($standard); | |
643 | if (isset($standard[$this->name])) { | |
644 | $this->source = plugin_manager::PLUGIN_SOURCE_STANDARD; | |
645 | } else { | |
646 | $this->source = plugin_manager::PLUGIN_SOURCE_EXTENSION; | |
647 | } | |
648 | } | |
649 | } | |
650 | ||
651 | /** | |
652 | * @see plugintype_interface::is_standard() | |
653 | */ | |
654 | public function is_standard() { | |
655 | return $this->source === plugin_manager::PLUGIN_SOURCE_STANDARD; | |
656 | } | |
657 | ||
658 | /** | |
659 | * @see plugintype_interface::get_status() | |
660 | */ | |
661 | public function get_status() { | |
662 | ||
663 | if (is_null($this->versiondb) and is_null($this->versiondisk)) { | |
664 | return plugin_manager::PLUGIN_STATUS_NODB; | |
665 | ||
666 | } else if (is_null($this->versiondb) and !is_null($this->versiondisk)) { | |
667 | return plugin_manager::PLUGIN_STATUS_NEW; | |
668 | ||
669 | } else if (!is_null($this->versiondb) and is_null($this->versiondisk)) { | |
670 | return plugin_manager::PLUGIN_STATUS_MISSING; | |
671 | ||
672 | } else if ((string)$this->versiondb === (string)$this->versiondisk) { | |
673 | return plugin_manager::PLUGIN_STATUS_UPTODATE; | |
674 | ||
675 | } else if ($this->versiondb < $this->versiondisk) { | |
676 | return plugin_manager::PLUGIN_STATUS_UPGRADE; | |
677 | ||
678 | } else if ($this->versiondb > $this->versiondisk) { | |
679 | return plugin_manager::PLUGIN_STATUS_DOWNGRADE; | |
680 | ||
681 | } else { | |
682 | // $version = pi(); and similar funny jokes - hopefully Donald E. Knuth will never contribute to Moodle ;-) | |
683 | throw new coding_exception('Unable to determine plugin state, check the plugin versions'); | |
684 | } | |
685 | } | |
686 | ||
687 | /** | |
688 | * @see plugintype_interface::is_enabled() | |
689 | */ | |
690 | public function is_enabled() { | |
691 | return null; | |
692 | } | |
693 | ||
694 | /** | |
695 | * @see plugintype_interface::get_settings_url() | |
696 | */ | |
697 | public function get_settings_url() { | |
698 | return null; | |
699 | } | |
700 | ||
701 | /** | |
702 | * @see plugintype_interface::get_uninstall_url() | |
703 | */ | |
704 | public function get_uninstall_url() { | |
705 | return null; | |
706 | } | |
707 | ||
708 | /** | |
709 | * @see plugintype_interface::get_dir() | |
710 | */ | |
711 | public function get_dir() { | |
712 | global $CFG; | |
713 | ||
714 | return substr($this->rootdir, strlen($CFG->dirroot)); | |
715 | } | |
716 | ||
717 | /** | |
718 | * Provides access to plugin versions from {config_plugins} | |
719 | * | |
720 | * @param string $plugin plugin name | |
721 | * @param double $disablecache optional, defaults to false | |
722 | * @return int|false the stored value or false if not found | |
723 | */ | |
724 | protected function get_version_from_config_plugins($plugin, $disablecache=false) { | |
725 | global $DB; | |
726 | static $pluginversions = null; | |
727 | ||
728 | if (is_null($pluginversions) or $disablecache) { | |
729 | $pluginversions = $DB->get_records_menu('config_plugins', array('name' => 'version'), 'plugin', 'plugin,value'); | |
730 | } | |
731 | ||
732 | if (!array_key_exists($plugin, $pluginversions)) { | |
733 | return false; | |
734 | } | |
735 | ||
736 | return $pluginversions[$plugin]; | |
737 | } | |
738 | } | |
739 | ||
740 | /** | |
741 | * General class for all plugin types that do not have their own class | |
742 | */ | |
743 | class plugintype_general extends plugintype_base implements plugintype_interface { | |
744 | ||
745 | } | |
746 | ||
747 | /** | |
748 | * Class for page side blocks | |
749 | */ | |
750 | class plugintype_block extends plugintype_base implements plugintype_interface { | |
751 | ||
752 | /** | |
753 | * @see plugintype_interface::get_plugins() | |
754 | */ | |
755 | public static function get_plugins($type, $typerootdir, $typeclass) { | |
756 | ||
757 | // get the information about blocks at the disk | |
758 | $blocks = parent::get_plugins($type, $typerootdir, $typeclass); | |
759 | ||
760 | // add blocks missing from disk | |
761 | $blocksinfo = self::get_blocks_info(); | |
762 | foreach ($blocksinfo as $blockname => $blockinfo) { | |
763 | if (isset($blocks[$blockname])) { | |
764 | continue; | |
765 | } | |
766 | $plugin = new $typeclass(); | |
767 | $plugin->type = $type; | |
768 | $plugin->typerootdir = $typerootdir; | |
769 | $plugin->name = $blockname; | |
770 | $plugin->rootdir = null; | |
771 | $plugin->displayname = $blockname; | |
772 | $plugin->versiondb = $blockinfo->version; | |
773 | $plugin->set_source(); | |
774 | ||
775 | $blocks[$blockname] = $plugin; | |
776 | } | |
777 | ||
778 | return $blocks; | |
779 | } | |
780 | ||
781 | /** | |
782 | * @see plugintype_interface::set_display_name() | |
783 | */ | |
784 | public function set_display_name() { | |
785 | ||
786 | if (get_string_manager()->string_exists('pluginname', 'block_' . $this->name)) { | |
787 | $this->displayname = get_string('pluginname', 'block_' . $this->name); | |
788 | ||
789 | } else if (($block = block_instance($this->name)) !== false) { | |
790 | $this->displayname = $block->get_title(); | |
791 | ||
792 | } else { | |
793 | parent::set_display_name(); | |
794 | } | |
795 | } | |
796 | ||
797 | /** | |
798 | * @see plugintype_interface::set_version_db() | |
799 | */ | |
800 | public function set_version_db() { | |
801 | global $DB; | |
802 | ||
803 | $blocksinfo = self::get_blocks_info(); | |
804 | if (isset($blocksinfo[$this->name]->version)) { | |
805 | $this->versiondb = $blocksinfo[$this->name]->version; | |
806 | } | |
807 | } | |
808 | ||
809 | /** | |
810 | * @see plugintype_interface::is_enabled() | |
811 | */ | |
812 | public function is_enabled() { | |
813 | ||
814 | $blocksinfo = self::get_blocks_info(); | |
815 | if (isset($blocksinfo[$this->name]->visible)) { | |
816 | if ($blocksinfo[$this->name]->visible) { | |
817 | return true; | |
818 | } else { | |
819 | return false; | |
820 | } | |
821 | } else { | |
822 | return parent::is_enabled(); | |
823 | } | |
824 | } | |
825 | ||
826 | /** | |
827 | * @see plugintype_interface::get_settings_url() | |
828 | */ | |
829 | public function get_settings_url() { | |
830 | ||
831 | if (($block = block_instance($this->name)) === false) { | |
832 | return parent::get_settings_url(); | |
833 | ||
834 | } else if ($block->has_config()) { | |
835 | if (!empty($this->rootdir) and file_exists($this->rootdir . '/settings.php')) { | |
836 | return new moodle_url('/admin/settings.php', array('section' => 'blocksetting' . $this->name)); | |
837 | } else { | |
838 | $blocksinfo = self::get_blocks_info(); | |
839 | return new moodle_url('/admin/block.php', array('block' => $blocksinfo[$this->name]->id)); | |
840 | } | |
841 | ||
842 | } else { | |
843 | return parent::get_settings_url(); | |
844 | } | |
845 | } | |
846 | ||
847 | /** | |
848 | * @see plugintype_interface::get_uninstall_url() | |
849 | */ | |
850 | public function get_uninstall_url() { | |
851 | ||
852 | $blocksinfo = self::get_blocks_info(); | |
853 | return new moodle_url('/admin/blocks.php', array('delete' => $blocksinfo[$this->name]->id, 'sesskey' => sesskey())); | |
854 | } | |
855 | ||
856 | /** | |
857 | * Provides access to the records in {block} table | |
858 | * | |
859 | * @param bool $disablecache do not use internal static cache | |
860 | * @return array array of stdClasses | |
861 | */ | |
862 | protected static function get_blocks_info($disablecache=false) { | |
863 | global $DB; | |
864 | static $blocksinfocache = null; | |
865 | ||
866 | if (is_null($blocksinfocache) or $disablecache) { | |
867 | $blocksinfocache = $DB->get_records('block', null, 'name', 'name,id,version,visible'); | |
868 | } | |
869 | ||
870 | return $blocksinfocache; | |
871 | } | |
872 | } | |
873 | ||
874 | /** | |
875 | * Class for text filters | |
876 | */ | |
877 | class plugintype_filter extends plugintype_base implements plugintype_interface { | |
878 | ||
879 | /** | |
880 | * @see plugintype_interface::get_plugins() | |
881 | */ | |
882 | public static function get_plugins($type, $typerootdir, $typeclass) { | |
7c9b837e | 883 | global $CFG, $DB; |
b9934a17 DM |
884 | |
885 | $filters = array(); | |
886 | ||
887 | // get the list of filters from both /filter and /mod location | |
888 | $installed = filter_get_all_installed(); | |
889 | ||
890 | foreach ($installed as $filterlegacyname => $displayname) { | |
891 | $plugin = new $typeclass(); | |
892 | $plugin->type = $type; | |
893 | $plugin->typerootdir = $typerootdir; | |
894 | $plugin->name = self::normalize_legacy_name($filterlegacyname); | |
895 | $plugin->rootdir = $CFG->dirroot . '/' . $filterlegacyname; | |
896 | $plugin->displayname = $displayname; | |
897 | ||
898 | $plugin->set_version_disk(); | |
899 | $plugin->set_version_db(); | |
900 | $plugin->set_version_requires(); | |
901 | $plugin->set_source(); | |
902 | ||
903 | $filters[$plugin->name] = $plugin; | |
904 | } | |
905 | ||
b9934a17 | 906 | $globalstates = self::get_global_states(); |
7c9b837e DM |
907 | |
908 | if ($DB->get_manager()->table_exists('filter_active')) { | |
909 | // if we're upgrading from 1.9, the table does not exist yet | |
910 | // if it does, make sure that all installed filters are registered | |
911 | $needsreload = false; | |
912 | foreach (array_keys($installed) as $filterlegacyname) { | |
913 | if (!isset($globalstates[self::normalize_legacy_name($filterlegacyname)])) { | |
914 | filter_set_global_state($filterlegacyname, TEXTFILTER_DISABLED); | |
915 | $needsreload = true; | |
916 | } | |
917 | } | |
918 | if ($needsreload) { | |
919 | $globalstates = self::get_global_states(true); | |
b9934a17 | 920 | } |
b9934a17 DM |
921 | } |
922 | ||
923 | // make sure that all registered filters are installed, just in case | |
924 | foreach ($globalstates as $name => $info) { | |
925 | if (!isset($filters[$name])) { | |
926 | // oops, there is a record in filter_active but the filter is not installed | |
927 | $plugin = new $typeclass(); | |
928 | $plugin->type = $type; | |
929 | $plugin->typerootdir = $typerootdir; | |
930 | $plugin->name = $name; | |
931 | $plugin->rootdir = $CFG->dirroot . '/' . $info->legacyname; | |
932 | $plugin->displayname = $info->legacyname; | |
933 | ||
934 | $plugin->set_version_db(); | |
935 | ||
936 | if (is_null($plugin->versiondb)) { | |
937 | // this is a hack to stimulate 'Missing from disk' error | |
938 | // because $plugin->versiondisk will be null !== false | |
939 | $plugin->versiondb = false; | |
940 | } | |
941 | ||
942 | $filters[$plugin->name] = $plugin; | |
943 | } | |
944 | } | |
945 | ||
946 | return $filters; | |
947 | } | |
948 | ||
949 | /** | |
950 | * @see plugintype_interface::set_display_name() | |
951 | */ | |
952 | public function set_display_name() { | |
953 | // do nothing, the name is set in self::get_plugins() | |
954 | } | |
955 | ||
956 | /** | |
957 | * @see plugintype_interface::set_version_disk() | |
958 | */ | |
959 | public function set_version_disk() { | |
960 | ||
961 | if (strpos($this->name, 'mod_') === 0) { | |
962 | // filters bundled with modules do not use versioning | |
963 | return; | |
964 | } | |
965 | ||
966 | return parent::set_version_disk(); | |
967 | } | |
968 | ||
969 | /** | |
970 | * @see plugintype_interface::set_version_requires() | |
971 | */ | |
972 | public function set_version_requires() { | |
973 | ||
974 | if (strpos($this->name, 'mod_') === 0) { | |
975 | // filters bundled with modules do not use versioning | |
976 | return; | |
977 | } | |
978 | ||
979 | return parent::set_version_requires(); | |
980 | } | |
981 | ||
982 | /** | |
983 | * @see plugintype_interface::is_enabled() | |
984 | */ | |
985 | public function is_enabled() { | |
986 | ||
987 | $globalstates = self::get_global_states(); | |
988 | ||
989 | foreach ($globalstates as $filterlegacyname => $info) { | |
990 | $name = self::normalize_legacy_name($filterlegacyname); | |
991 | if ($name === $this->name) { | |
992 | if ($info->active == TEXTFILTER_DISABLED) { | |
993 | return false; | |
994 | } else { | |
995 | // it may be 'On' or 'Off, but available' | |
996 | return null; | |
997 | } | |
998 | } | |
999 | } | |
1000 | ||
1001 | return null; | |
1002 | } | |
1003 | ||
1004 | /** | |
1005 | * @see plugintype_interface::get_settings_url() | |
1006 | */ | |
1007 | public function get_settings_url() { | |
1008 | ||
1009 | $globalstates = self::get_global_states(); | |
1010 | $legacyname = $globalstates[$this->name]->legacyname; | |
1011 | if (filter_has_global_settings($legacyname)) { | |
1012 | return new moodle_url('/admin/settings.php', array('section' => 'filtersetting' . str_replace('/', '', $legacyname))); | |
1013 | } else { | |
1014 | return null; | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | /** | |
1019 | * @see plugintype_interface::get_uninstall_url() | |
1020 | */ | |
1021 | public function get_uninstall_url() { | |
1022 | ||
1023 | if (strpos($this->name, 'mod_') === 0) { | |
1024 | return null; | |
1025 | } else { | |
1026 | $globalstates = self::get_global_states(); | |
1027 | $legacyname = $globalstates[$this->name]->legacyname; | |
1028 | return new moodle_url('/admin/filters.php', array('sesskey' => sesskey(), 'filterpath' => $legacyname, 'action' => 'delete')); | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | /** | |
1033 | * Convert legacy filter names like 'filter/foo' or 'mod/bar' into frankenstyle | |
1034 | * | |
1035 | * @param string $legacyfiltername legacy filter name | |
1036 | * @return string frankenstyle-like name | |
1037 | */ | |
1038 | protected static function normalize_legacy_name($legacyfiltername) { | |
1039 | ||
1040 | $name = str_replace('/', '_', $legacyfiltername); | |
1041 | if (strpos($name, 'filter_') === 0) { | |
1042 | $name = substr($name, 7); | |
1043 | if (empty($name)) { | |
1044 | throw new coding_exception('Unable to determine filter name: ' . $legacyfiltername); | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | return $name; | |
1049 | } | |
1050 | ||
1051 | /** | |
1052 | * Provides access to the results of {@link filter_get_global_states()} | |
1053 | * but indexed by the normalized filter name | |
1054 | * | |
1055 | * The legacy filter name is available as ->legacyname property. | |
1056 | * | |
1057 | * @param bool $disablecache | |
1058 | * @return array | |
1059 | */ | |
1060 | protected static function get_global_states($disablecache=false) { | |
1061 | global $DB; | |
1062 | static $globalstatescache = null; | |
1063 | ||
1064 | if ($disablecache or is_null($globalstatescache)) { | |
1065 | ||
1066 | if (!$DB->get_manager()->table_exists('filter_active')) { | |
1067 | // we're upgrading from 1.9 and the table used by {@link filter_get_global_states()} | |
1068 | // does not exist yet | |
1069 | $globalstatescache = array(); | |
1070 | ||
1071 | } else { | |
1072 | foreach (filter_get_global_states() as $legacyname => $info) { | |
1073 | $name = self::normalize_legacy_name($legacyname); | |
1074 | $filterinfo = new stdClass(); | |
1075 | $filterinfo->legacyname = $legacyname; | |
1076 | $filterinfo->active = $info->active; | |
1077 | $filterinfo->sortorder = $info->sortorder; | |
1078 | $globalstatescache[$name] = $filterinfo; | |
1079 | } | |
1080 | } | |
1081 | } | |
1082 | ||
1083 | return $globalstatescache; | |
1084 | } | |
1085 | } | |
1086 | ||
1087 | /** | |
1088 | * Class for activity modules | |
1089 | */ | |
1090 | class plugintype_mod extends plugintype_base implements plugintype_interface { | |
1091 | ||
1092 | /** | |
1093 | * @see plugintype_interface::get_plugins() | |
1094 | */ | |
1095 | public static function get_plugins($type, $typerootdir, $typeclass) { | |
1096 | ||
1097 | // get the information about plugins at the disk | |
1098 | $modules = parent::get_plugins($type, $typerootdir, $typeclass); | |
1099 | ||
1100 | // add modules missing from disk | |
1101 | $modulesinfo = self::get_modules_info(); | |
1102 | foreach ($modulesinfo as $modulename => $moduleinfo) { | |
1103 | if (isset($modules[$modulename])) { | |
1104 | continue; | |
1105 | } | |
1106 | $plugin = new $typeclass(); | |
1107 | $plugin->type = $type; | |
1108 | $plugin->typerootdir = $typerootdir; | |
1109 | $plugin->name = $modulename; | |
1110 | $plugin->rootdir = null; | |
1111 | $plugin->displayname = $modulename; | |
1112 | $plugin->versiondb = $moduleinfo->version; | |
1113 | $plugin->set_source(); | |
1114 | ||
1115 | $modules[$modulename] = $plugin; | |
1116 | } | |
1117 | ||
1118 | return $modules; | |
1119 | } | |
1120 | ||
1121 | /** | |
1122 | * @see plugintype_interface::set_display_name() | |
1123 | */ | |
1124 | public function set_display_name() { | |
1125 | if (get_string_manager()->string_exists('pluginname', $this->type . '_' . $this->name)) { | |
1126 | $this->displayname = get_string('pluginname', $this->type . '_' . $this->name); | |
1127 | } else { | |
1128 | $this->displayname = get_string('modulename', $this->type . '_' . $this->name); | |
1129 | } | |
1130 | } | |
1131 | ||
1132 | /** | |
1133 | * @see plugintype_interface::set_version_disk() | |
1134 | */ | |
1135 | public function set_version_disk() { | |
1136 | ||
1137 | if (empty($this->rootdir)) { | |
1138 | return; | |
1139 | } | |
1140 | ||
1141 | $versionfile = $this->rootdir . '/version.php'; | |
1142 | ||
1143 | if (is_readable($versionfile)) { | |
1144 | include($versionfile); | |
1145 | if (isset($module->version)) { | |
1146 | $this->versiondisk = $module->version; | |
1147 | } | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | /** | |
1152 | * @see plugintype_interface::set_version_db() | |
1153 | */ | |
1154 | public function set_version_db() { | |
1155 | global $DB; | |
1156 | ||
1157 | $modulesinfo = self::get_modules_info(); | |
1158 | if (isset($modulesinfo[$this->name]->version)) { | |
1159 | $this->versiondb = $modulesinfo[$this->name]->version; | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | /** | |
1164 | * @see plugintype_interface::set_version_requires() | |
1165 | */ | |
1166 | public function set_version_requires() { | |
1167 | ||
1168 | if (empty($this->rootdir)) { | |
1169 | return; | |
1170 | } | |
1171 | ||
1172 | $versionfile = $this->rootdir . '/version.php'; | |
1173 | ||
1174 | if (is_readable($versionfile)) { | |
1175 | include($versionfile); | |
1176 | if (isset($module->requires)) { | |
1177 | $this->versionrequires = $module->requires; | |
1178 | } | |
1179 | } | |
1180 | } | |
1181 | ||
1182 | /** | |
1183 | * @see plugintype_interface::is_enabled() | |
1184 | */ | |
1185 | public function is_enabled() { | |
1186 | ||
1187 | $modulesinfo = self::get_modules_info(); | |
1188 | if (isset($modulesinfo[$this->name]->visible)) { | |
1189 | if ($modulesinfo[$this->name]->visible) { | |
1190 | return true; | |
1191 | } else { | |
1192 | return false; | |
1193 | } | |
1194 | } else { | |
1195 | return parent::is_enabled(); | |
1196 | } | |
1197 | } | |
1198 | ||
1199 | /** | |
1200 | * @see plugintype_interface::get_settings_url() | |
1201 | */ | |
1202 | public function get_settings_url() { | |
1203 | ||
1204 | if (!empty($this->rootdir) and (file_exists($this->rootdir . '/settings.php') or file_exists($this->rootdir . '/settingstree.php'))) { | |
1205 | return new moodle_url('/admin/settings.php', array('section' => 'modsetting' . $this->name)); | |
1206 | } else { | |
1207 | return parent::get_settings_url(); | |
1208 | } | |
1209 | } | |
1210 | ||
1211 | /** | |
1212 | * @see plugintype_interface::get_uninstall_url() | |
1213 | */ | |
1214 | public function get_uninstall_url() { | |
1215 | ||
1216 | if ($this->name !== 'forum') { | |
1217 | return new moodle_url('/admin/modules.php', array('delete' => $this->name, 'sesskey' => sesskey())); | |
1218 | } else { | |
1219 | return null; | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | /** | |
1224 | * Provides access to the records in {modules} table | |
1225 | * | |
1226 | * @param bool $disablecache do not use internal static cache | |
1227 | * @return array array of stdClasses | |
1228 | */ | |
1229 | protected static function get_modules_info($disablecache=false) { | |
1230 | global $DB; | |
1231 | static $modulesinfocache = null; | |
1232 | ||
1233 | if (is_null($modulesinfocache) or $disablecache) { | |
1234 | $modulesinfocache = $DB->get_records('modules', null, 'name', 'name,id,version,visible'); | |
1235 | } | |
1236 | ||
1237 | return $modulesinfocache; | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | /** | |
1242 | * Class for question types | |
1243 | */ | |
1244 | class plugintype_qtype extends plugintype_base implements plugintype_interface { | |
1245 | ||
1246 | /** | |
1247 | * @see plugintype_interface::set_display_name() | |
1248 | */ | |
1249 | public function set_display_name() { | |
1250 | $this->displayname = get_string($this->name, 'qtype_' . $this->name); | |
1251 | } | |
1252 | } | |
1253 | ||
1254 | /** | |
1255 | * Class for question formats | |
1256 | */ | |
1257 | class plugintype_qformat extends plugintype_base implements plugintype_interface { | |
1258 | ||
1259 | /** | |
1260 | * @see plugintype_interface::set_display_name() | |
1261 | */ | |
1262 | public function set_display_name() { | |
1263 | $this->displayname = get_string($this->name, 'qformat_' . $this->name); | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | /** | |
1268 | * Class for authentication plugins | |
1269 | */ | |
1270 | class plugintype_auth extends plugintype_base implements plugintype_interface { | |
1271 | ||
1272 | /** | |
1273 | * @see plugintype_interface::is_enabled() | |
1274 | */ | |
1275 | public function is_enabled() { | |
1276 | global $CFG; | |
1277 | /** @var null|array list of enabled authentication plugins */ | |
1278 | static $enabled = null; | |
1279 | ||
1280 | if (in_array($this->name, array('nologin', 'manual'))) { | |
1281 | // these two are always enabled and can't be disabled | |
1282 | return null; | |
1283 | } | |
1284 | ||
1285 | if (is_null($enabled)) { | |
1286 | $enabled = explode(',', $CFG->auth); | |
1287 | } | |
1288 | ||
1289 | return isset($enabled[$this->name]); | |
1290 | } | |
1291 | ||
1292 | /** | |
1293 | * @see plugintype_interface::get_settings_url() | |
1294 | */ | |
1295 | public function get_settings_url() { | |
1296 | ||
1297 | if (!empty($this->rootdir) and file_exists($this->rootdir . '/settings.php')) { | |
1298 | return new moodle_url('/admin/settings.php', array('section' => 'authsetting' . $this->name)); | |
1299 | } else { | |
1300 | return new moodle_url('/admin/auth_config.php', array('auth' => $this->name)); | |
1301 | } | |
1302 | } | |
1303 | } | |
1304 | ||
1305 | /** | |
1306 | * Class for enrolment plugins | |
1307 | */ | |
1308 | class plugintype_enrol extends plugintype_base implements plugintype_interface { | |
1309 | ||
1310 | /** | |
1311 | * We do not actually need whole enrolment classes here so we do not call | |
1312 | * {@link enrol_get_plugins()}. Note that this may produce slightly different | |
1313 | * results, for example if the enrolment plugin does not contain lib.php | |
1314 | * but it is listed in $CFG->enrol_plugins_enabled | |
1315 | * | |
1316 | * @see plugintype_interface::is_enabled() | |
1317 | */ | |
1318 | public function is_enabled() { | |
1319 | global $CFG; | |
1320 | /** @var null|array list of enabled enrolment plugins */ | |
1321 | static $enabled = null; | |
1322 | ||
1323 | if (is_null($enabled)) { | |
1324 | $enabled = explode(',', $CFG->enrol_plugins_enabled); | |
1325 | } | |
1326 | ||
1327 | return isset($enabled[$this->name]); | |
1328 | } | |
1329 | ||
1330 | /** | |
1331 | * @see plugintype_interface::get_settings_url() | |
1332 | */ | |
1333 | public function get_settings_url() { | |
1334 | ||
1335 | if ($this->is_enabled() or (!empty($this->rootdir) and file_exists($this->rootdir . '/settings.php'))) { | |
1336 | return new moodle_url('/admin/settings.php', array('section' => 'enrolsettings' . $this->name)); | |
1337 | } else { | |
1338 | return parent::get_settings_url(); | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | /** | |
1343 | * @see plugintype_interface::get_uninstall_url() | |
1344 | */ | |
1345 | public function get_uninstall_url() { | |
1346 | return new moodle_url('/admin/enrol.php', array('action' => 'uninstall', 'enrol' => $this->name, 'sesskey' => sesskey())); | |
1347 | } | |
1348 | } | |
1349 | ||
1350 | /** | |
1351 | * Class for messaging processors | |
1352 | */ | |
1353 | class plugintype_message extends plugintype_base implements plugintype_interface { | |
1354 | ||
1355 | /** | |
1356 | * @see plugintype_interface::get_settings_url() | |
1357 | */ | |
1358 | public function get_settings_url() { | |
1359 | ||
1360 | if ($this->name === 'jabber') { | |
1361 | return new moodle_url('/admin/settings.php', array('section' => 'jabber')); | |
1362 | } | |
1363 | ||
1364 | if ($this->name === 'email') { | |
1365 | return new moodle_url('/admin/settings.php', array('section' => 'mail')); | |
1366 | } | |
1367 | ||
1368 | } | |
1369 | } | |
1370 | ||
1371 | /** | |
1372 | * Class for repositories | |
1373 | */ | |
1374 | class plugintype_repository extends plugintype_base implements plugintype_interface { | |
1375 | ||
1376 | /** | |
1377 | * @see plugintype_interface::is_enabled() | |
1378 | */ | |
1379 | public function is_enabled() { | |
1380 | ||
1381 | $enabled = self::get_enabled_repositories(); | |
1382 | ||
1383 | return isset($enabled[$this->name]); | |
1384 | } | |
1385 | ||
1386 | /** | |
1387 | * @see plugintype_interface::get_settings_url() | |
1388 | */ | |
1389 | public function get_settings_url() { | |
1390 | ||
1391 | if ($this->is_enabled()) { | |
1392 | return new moodle_url('/admin/repository.php', array('sesskey' => sesskey(), 'action' => 'edit', 'repos' => $this->name)); | |
1393 | } else { | |
1394 | return parent::get_settings_url(); | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | /** | |
1399 | * Provides access to the records in {repository} table | |
1400 | * | |
1401 | * @param bool $disablecache do not use internal static cache | |
1402 | * @return array array of stdClasses | |
1403 | */ | |
1404 | protected static function get_enabled_repositories($disablecache=false) { | |
1405 | global $DB; | |
1406 | static $repositories = null; | |
1407 | ||
1408 | if (is_null($repositories) or $disablecache) { | |
1409 | $repositories = $DB->get_records('repository', null, 'type', 'type,visible,sortorder'); | |
1410 | } | |
1411 | ||
1412 | return $repositories; | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | /** | |
1417 | * Class for portfolios | |
1418 | */ | |
1419 | class plugintype_portfolio extends plugintype_base implements plugintype_interface { | |
1420 | ||
1421 | /** | |
1422 | * @see plugintype_interface::is_enabled() | |
1423 | */ | |
1424 | public function is_enabled() { | |
1425 | ||
1426 | $enabled = self::get_enabled_portfolios(); | |
1427 | ||
1428 | return isset($enabled[$this->name]); | |
1429 | } | |
1430 | ||
1431 | /** | |
1432 | * Provides access to the records in {portfolio_instance} table | |
1433 | * | |
1434 | * @param bool $disablecache do not use internal static cache | |
1435 | * @return array array of stdClasses | |
1436 | */ | |
1437 | protected static function get_enabled_portfolios($disablecache=false) { | |
1438 | global $DB; | |
1439 | static $portfolios = null; | |
1440 | ||
1441 | if (is_null($portfolios) or $disablecache) { | |
1442 | $portfolios = array(); | |
1443 | $instances = $DB->get_recordset('portfolio_instance', null, 'plugin'); | |
1444 | foreach ($instances as $instance) { | |
1445 | if (isset($portfolios[$instance->plugin])) { | |
1446 | if ($instance->visible) { | |
1447 | $portfolios[$instance->plugin]->visible = $instance->visible; | |
1448 | } | |
1449 | } else { | |
1450 | $portfolios[$instance->plugin] = $instance; | |
1451 | } | |
1452 | } | |
1453 | } | |
1454 | ||
1455 | return $portfolios; | |
1456 | } | |
1457 | } | |
1458 | ||
1459 | /** | |
1460 | * Class for themes | |
1461 | */ | |
1462 | class plugintype_theme extends plugintype_base implements plugintype_interface { | |
1463 | ||
1464 | /** | |
1465 | * @see plugintype_interface::is_enabled() | |
1466 | */ | |
1467 | public function is_enabled() { | |
1468 | global $CFG; | |
1469 | ||
1470 | if ((!empty($CFG->theme) and $CFG->theme === $this->name) or | |
1471 | (!empty($CFG->themelegacy) and $CFG->themelegacy === $this->name)) { | |
1472 | return true; | |
1473 | } else { | |
1474 | return parent::is_enabled(); | |
1475 | } | |
1476 | } | |
1477 | } | |
1478 | ||
1479 | /** | |
1480 | * Class representing an MNet service | |
1481 | */ | |
1482 | class plugintype_mnetservice extends plugintype_base implements plugintype_interface { | |
1483 | ||
1484 | /** | |
1485 | * @see plugintype_interface::is_enabled() | |
1486 | */ | |
1487 | public function is_enabled() { | |
1488 | global $CFG; | |
1489 | ||
1490 | if (empty($CFG->mnet_dispatcher_mode) || $CFG->mnet_dispatcher_mode !== 'strict') { | |
1491 | return false; | |
1492 | } else { | |
1493 | return parent::is_enabled(); | |
1494 | } | |
1495 | } | |
1496 | } |