* In advanced cases an array may be useful such as in situations requiring the multi-key functionality.
* @param int $strictness One of IGNORE_MISSING | MUST_EXIST
* @return mixed|false The data from the cache or false if the key did not exist within the cache.
- * @throws moodle_exception
+ * @throws coding_exception
*/
public function get($key, $strictness = IGNORE_MISSING) {
// 1. Parse the key.
}
// 5. Validate strictness.
if ($strictness === MUST_EXIST && $result === false) {
- throw new moodle_exception('Requested key did not exist in any cache stores and could not be loaded.');
+ throw new coding_exception('Requested key did not exist in any cache stores and could not be loaded.');
}
// 6. Set it to the store if we got it from the loader/datasource.
if ($setaftervalidation) {
* @return array An array of key value pairs for the items that could be retrieved from the cache.
* If MUST_EXIST was used and not all keys existed within the cache then an exception will be thrown.
* Otherwise any key that did not exist will have a data value of false within the results.
- * @throws moodle_exception
+ * @throws coding_exception
*/
public function get_many(array $keys, $strictness = IGNORE_MISSING) {
$missingkeys = array();
foreach ($result as $key => $value) {
if ($value === false) {
- $missingkeys[] = ($usingloader) ? $key : $parsedkeys[$key];
+ $missingkeys[] = $parsedkeys[$key];
}
}
if (!empty($missingkeys)) {
$resultmissing = $this->datasource->load_many_for_cache($missingkeys);
}
foreach ($resultmissing as $key => $value) {
- $pkey = ($usingloader) ? $key : $keysparsed[$key];
- $realkey = ($usingloader) ? $parsedkeys[$key] : $key;
- $result[$pkey] = $value;
+ $result[$keysparsed[$key]] = $value;
if ($value !== false) {
- $this->set($realkey, $value);
+ $this->set($key, $value);
}
}
unset($resultmissing);
if ($strictness === MUST_EXIST) {
foreach ($keys as $key) {
if (!array_key_exists($key, $fullresult)) {
- throw new moodle_exception('Not all the requested keys existed within the cache stores.');
+ throw new coding_exception('Not all the requested keys existed within the cache stores.');
}
}
}
if ($this->perfdebug) {
cache_helper::record_cache_set($this->storetype, $this->definition->get_id());
}
+ if ($this->loader !== false) {
+ // We have a loader available set it there as well.
+ // We have to let the loader do its own parsing of data as it may be unique.
+ $this->loader->set($key, $data);
+ }
if (is_object($data) && $data instanceof cacheable_object) {
$data = new cache_cached_object($data);
} else if (!is_scalar($data)) {
* Removes references where required.
*
* @param stdClass|array $data
+ * @return mixed What ever was put in but without any references.
*/
protected function unref($data) {
if ($this->definition->uses_simple_data()) {
* ... if they care that is.
*/
public function set_many(array $keyvaluearray) {
+ if ($this->loader !== false) {
+ // We have a loader available set it there as well.
+ // We have to let the loader do its own parsing of data as it may be unique.
+ $this->loader->set_many($keyvaluearray);
+ }
$data = array();
$simulatettl = $this->has_a_ttl() && !$this->store_supports_native_ttl();
$usepersistcache = $this->is_using_persist_cache();
* Returns the loader associated with this instance.
*
* @since 2.4.4
- * @return cache_loader|false
+ * @return cache|false
*/
protected function get_loader() {
return $this->loader;
* @param string|int $key The key for the data being requested.
* @param int $strictness One of IGNORE_MISSING | MUST_EXIST
* @return mixed|false The data from the cache or false if the key did not exist within the cache.
- * @throws moodle_exception
*/
public function get($key, $strictness = IGNORE_MISSING) {
if ($this->requirelockingread && $this->check_lock_state($key) === false) {
* @return array An array of key value pairs for the items that could be retrieved from the cache.
* If MUST_EXIST was used and not all keys existed within the cache then an exception will be thrown.
* Otherwise any key that did not exist will have a data value of false within the results.
- * @throws moodle_exception
+ * @throws coding_exception
*/
public function get_many(array $keys, $strictness = IGNORE_MISSING) {
if ($this->requirelockingread) {
* @todo we should support locking in the session as well. Should be pretty simple to set up.
*
* @internal don't use me directly.
+ * @method cache_store|cache_is_searchable get_store() Returns the cache store which must implement both cache_is_searchable.
*
* @package core
* @category cache
*/
const KEY_PREFIX = 'sess_';
+ /**
+ * This is the key used to track last access.
+ */
+ const LASTACCESS = '__lastaccess__';
+
/**
* Override the cache::construct method.
*
* @param cache_definition $definition
* @param cache_store $store
* @param cache_loader|cache_data_source $loader
- * @return void
*/
public function __construct(cache_definition $definition, cache_store $store, $loader = null) {
// First up copy the loadeduserid to the current user id.
$this->currentuserid = self::$loadeduserid;
parent::__construct($definition, $store, $loader);
+
+ // This will trigger check tracked user. If this gets removed a call to that will need to be added here in its place.
+ $this->set(self::LASTACCESS, cache::now());
+
if ($definition->has_invalidation_events()) {
$lastinvalidation = $this->get('lastsessioninvalidation');
if ($lastinvalidation === false) {
}
}
+ /**
+ * Sets the session id for the loader.
+ */
+ protected function set_session_id() {
+ $this->sessionid = preg_replace('#[^a-zA-Z0-9_]#', '_', session_id());
+ }
+
+ /**
+ * Returns the prefix used for all keys.
+ * @return string
+ */
+ protected function get_key_prefix() {
+ return 'u'.$this->currentuserid.'_'.$this->sessionid;
+ }
+
/**
* Parses the key turning it into a string (or array is required) suitable to be passed to the cache store.
*
* @return string|array String unless the store supports multi-identifiers in which case an array if returned.
*/
protected function parse_key($key) {
- if ($key === 'lastaccess') {
- $key = '__lastaccess__';
+ $prefix = $this->get_key_prefix();
+ if ($key === self::LASTACCESS) {
+ return $key.$prefix;
}
- return 'sess_'.parent::parse_key($key);
+ return $prefix.'_'.parent::parse_key($key);
}
/**
* Check that this cache instance is tracking the current user.
*/
protected function check_tracked_user() {
- if (isset($_SESSION['USER']->id)) {
+ if (isset($_SESSION['USER']->id) && $_SESSION['USER']->id !== null) {
// Get the id of the current user.
$new = $_SESSION['USER']->id;
} else {
// This way we don't bloat the session.
$this->purge();
// Update the session id just in case!
- $this->sessionid = session_id();
+ $this->set_session_id();
}
self::$loadeduserid = $new;
$this->currentuserid = $new;
} else if ($new !== $this->currentuserid) {
// The current user matches the loaded user but not the user last used by this cache.
- $this->purge();
+ $this->purge_current_user();
$this->currentuserid = $new;
// Update the session id just in case!
- $this->sessionid = session_id();
+ $this->set_session_id();
}
}
/**
- * Gets the session data.
- *
- * @param bool $force If true the session data will be loaded from the store again.
- * @return array An array of session data.
- */
- protected function get_session_data($force = false) {
- if ($this->sessionid === null) {
- $this->sessionid = session_id();
- }
- if (is_array($this->session) && !$force) {
- return $this->session;
- }
- $session = parent::get($this->sessionid);
- if ($session === false) {
- $session = array();
- }
- // We have to write here to ensure that the lastaccess time is recorded.
- // And also in order to ensure the session entry exists as when we save it on __destruct
- // $CFG is likely to have already been destroyed.
- $this->save_session($session);
- return $this->session;
- }
-
- /**
- * Saves the session data.
- *
- * This function also updates the last access time.
- *
- * @param array $session
- * @return bool
+ * Purges the session cache of all data belonging to the current user.
*/
- protected function save_session(array $session) {
- $session['lastaccess'] = time();
- $this->session = $session;
- return parent::set($this->sessionid, $this->session);
+ public function purge_current_user() {
+ $keys = $this->get_store()->find_all($this->get_key_prefix());
+ $this->get_store()->delete_many($keys);
}
/**
* In advanced cases an array may be useful such as in situations requiring the multi-key functionality.
* @param int $strictness One of IGNORE_MISSING | MUST_EXIST
* @return mixed|false The data from the cache or false if the key did not exist within the cache.
- * @throws moodle_exception
+ * @throws coding_exception
*/
public function get($key, $strictness = IGNORE_MISSING) {
// Check the tracked user.
// 2. Parse the key.
$parsedkey = $this->parse_key($key);
// 3. Get it from the store.
- $result = false;
- $session = $this->get_session_data();
- if (array_key_exists($parsedkey, $session)) {
- $result = $session[$parsedkey];
+ $result = $this->get_store()->get($parsedkey);
+ if ($result !== false) {
if ($result instanceof cache_ttl_wrapper) {
if ($result->has_expired()) {
$this->get_store()->delete($parsedkey);
}
}
// 4. Load if from the loader/datasource if we don't already have it.
- $setaftervalidation = false;
if ($result === false) {
if ($this->perfdebug) {
- cache_helper::record_cache_miss('**static session**', $this->get_definition()->get_id());
+ cache_helper::record_cache_miss($this->storetype, $this->get_definition()->get_id());
}
if ($this->get_loader() !== false) {
// We must pass the original (unparsed) key to the next loader in the chain.
} else if ($this->get_datasource() !== false) {
$result = $this->get_datasource()->load_for_cache($key);
}
- $setaftervalidation = ($result !== false);
+ // 5. Set it to the store if we got it from the loader/datasource.
+ if ($result !== false) {
+ $this->set($key, $result);
+ }
} else if ($this->perfdebug) {
- cache_helper::record_cache_hit('**static session**', $this->get_definition()->get_id());
+ cache_helper::record_cache_hit($this->storetype, $this->get_definition()->get_id());
}
// 5. Validate strictness.
if ($strictness === MUST_EXIST && $result === false) {
- throw new moodle_exception('Requested key did not exist in any cache stores and could not be loaded.');
- }
- // 6. Set it to the store if we got it from the loader/datasource.
- if ($setaftervalidation) {
- $this->set($key, $result);
+ throw new coding_exception('Requested key did not exist in any cache stores and could not be loaded.');
}
- // 7. Make sure we don't pass back anything that could be a reference.
+ // 6. Make sure we don't pass back anything that could be a reference.
// We don't want people modifying the data in the cache.
if (!is_scalar($result)) {
// If data is an object it will be a reference.
*/
public function set($key, $data) {
$this->check_tracked_user();
+ $loader = $this->get_loader();
+ if ($loader !== false) {
+ // We have a loader available set it there as well.
+ // We have to let the loader do its own parsing of data as it may be unique.
+ $loader->set($key, $data);
+ }
if ($this->perfdebug) {
- cache_helper::record_cache_set('**static session**', $this->get_definition()->get_id());
+ cache_helper::record_cache_set($this->storetype, $this->get_definition()->get_id());
}
if (is_object($data) && $data instanceof cacheable_object) {
$data = new cache_cached_object($data);
$data = $this->unref($data);
}
// We dont' support native TTL here as we consolidate data for sessions.
- if ($this->has_a_ttl()) {
+ if ($this->has_a_ttl() && !$this->store_supports_native_ttl()) {
$data = new cache_ttl_wrapper($data, $this->get_definition()->get_ttl());
}
- $session = $this->get_session_data();
- $session[$this->parse_key($key)] = $data;
- return $this->save_session($session);
+ return $this->get_store()->set($this->parse_key($key), $data);
}
/**
* @return bool True of success, false otherwise.
*/
public function delete($key, $recurse = true) {
- $this->check_tracked_user();
$parsedkey = $this->parse_key($key);
if ($recurse && $this->get_loader() !== false) {
// Delete from the bottom of the stack first.
$this->get_loader()->delete($key, $recurse);
}
- $session = $this->get_session_data();
- unset($session[$parsedkey]);
- return $this->save_session($session);
+ return $this->get_store()->delete($parsedkey);
}
/**
* @return array An array of key value pairs for the items that could be retrieved from the cache.
* If MUST_EXIST was used and not all keys existed within the cache then an exception will be thrown.
* Otherwise any key that did not exist will have a data value of false within the results.
- * @throws moodle_exception
+ * @throws coding_exception
*/
public function get_many(array $keys, $strictness = IGNORE_MISSING) {
$this->check_tracked_user();
- $return = array();
+ $parsedkeys = array();
+ $keymap = array();
foreach ($keys as $key) {
- $return[$key] = $this->get($key, $strictness);
+ $parsedkey = $this->parse_key($key);
+ $parsedkeys[$key] = $parsedkey;
+ $keymap[$parsedkey] = $key;
+ }
+ $result = $this->get_store()->get_many($parsedkeys);
+ $return = array();
+ $missingkeys = array();
+ $hasmissingkeys = false;
+ foreach ($result as $parsedkey => $value) {
+ $key = $keymap[$parsedkey];
+ if ($value instanceof cache_ttl_wrapper) {
+ /* @var cache_ttl_wrapper $value */
+ if ($value->has_expired()) {
+ $this->delete($keymap[$parsedkey]);
+ $value = false;
+ } else {
+ $value = $value->data;
+ }
+ }
+ if ($value instanceof cache_cached_object) {
+ /* @var cache_cached_object $value */
+ $value = $value->restore_object();
+ }
+ $return[$key] = $value;
+ if ($value === false) {
+ $hasmissingkeys = true;
+ $missingkeys[$parsedkey] = $key;
+ }
+ }
+ if ($hasmissingkeys) {
+ // We've got missing keys - we've got to check any loaders or data sources.
+ $loader = $this->get_loader();
+ $datasource = $this->get_datasource();
+ if ($loader !== false) {
+ foreach ($loader->get_many($missingkeys) as $key => $value) {
+ if ($value !== false) {
+ $return[$key] = $value;
+ unset($missingkeys[$parsedkeys[$key]]);
+ }
+ }
+ }
+ $hasmissingkeys = count($missingkeys) > 0;
+ if ($datasource !== false && $hasmissingkeys) {
+ // We're still missing keys but we've got a datasource.
+ foreach ($datasource->load_many_for_cache($missingkeys) as $key => $value) {
+ if ($value !== false) {
+ $return[$key] = $value;
+ unset($missingkeys[$parsedkeys[$key]]);
+ }
+ }
+ $hasmissingkeys = count($missingkeys) > 0;
+ }
}
+ if ($hasmissingkeys && $strictness === MUST_EXIST) {
+ throw new coding_exception('Requested key did not exist in any cache stores and could not be loaded.');
+ }
+
return $return;
+
}
/**
* @return int The number of items successfully deleted.
*/
public function delete_many(array $keys, $recurse = true) {
- $this->check_tracked_user();
$parsedkeys = array_map(array($this, 'parse_key'), $keys);
if ($recurse && $this->get_loader() !== false) {
// Delete from the bottom of the stack first.
$this->get_loader()->delete_many($keys, $recurse);
}
- $session = $this->get_session_data();
- foreach ($parsedkeys as $parsedkey) {
- unset($session[$parsedkey]);
- }
- $this->save_session($session);
- return count($keys);
+ return $this->get_store()->delete_many($parsedkeys);
}
/**
*/
public function set_many(array $keyvaluearray) {
$this->check_tracked_user();
- $session = $this->get_session_data();
- $simulatettl = $this->has_a_ttl();
+ $loader = $this->get_loader();
+ if ($loader !== false) {
+ // We have a loader available set it there as well.
+ // We have to let the loader do its own parsing of data as it may be unique.
+ $loader->set_many($keyvaluearray);
+ }
+ $data = array();
+ $definitionid = $this->get_definition()->get_ttl();
+ $simulatettl = $this->has_a_ttl() && !$this->store_supports_native_ttl();
foreach ($keyvaluearray as $key => $value) {
if (is_object($value) && $value instanceof cacheable_object) {
$value = new cache_cached_object($value);
$value = $this->unref($value);
}
if ($simulatettl) {
- $value = new cache_ttl_wrapper($value, $this->get_definition()->get_ttl());
+ $value = new cache_ttl_wrapper($value, $definitionid);
}
- $parsedkey = $this->parse_key($key);
- $session[$parsedkey] = $value;
+ $data[$key] = array(
+ 'key' => $this->parse_key($key),
+ 'value' => $value
+ );
}
if ($this->perfdebug) {
- cache_helper::record_cache_set($this->storetype, $this->get_definition()->get_id());
+ cache_helper::record_cache_set($this->storetype, $definitionid);
}
- $this->save_session($session);
- return count($keyvaluearray);
+ return $this->get_store()->set_many($data);
}
/**
* @return bool True on success, false otherwise
*/
public function purge() {
- // 1. Purge the session object.
- $this->session = array();
- // 2. Delete the record for this users session from the store.
- $this->get_store()->delete($this->sessionid);
- // 3. Optionally purge any stacked loaders in the same way.
+ $this->get_store()->purge();
if ($this->get_loader()) {
- $this->get_loader()->delete($this->sessionid);
+ $this->get_loader()->purge();
}
return true;
}
public function has($key, $tryloadifpossible = false) {
$this->check_tracked_user();
$parsedkey = $this->parse_key($key);
- $session = $this->get_session_data();
- $has = false;
- if ($this->has_a_ttl()) {
+ $store = $this->get_store();
+ if ($this->has_a_ttl() && !$this->store_supports_native_ttl()) {
// The data has a TTL and the store doesn't support it natively.
// We must fetch the data and expect a ttl wrapper.
- if (array_key_exists($parsedkey, $session)) {
- $data = $session[$parsedkey];
- $has = ($data instanceof cache_ttl_wrapper && !$data->has_expired());
- }
+ $data = $store->get($parsedkey);
+ $has = ($data instanceof cache_ttl_wrapper && !$data->has_expired());
+ } else if (!$this->store_supports_key_awareness()) {
+ // The store doesn't support key awareness, get the data and check it manually... puke.
+ // Either no TTL is set of the store supports its handling natively.
+ $data = $store->get($parsedkey);
+ $has = ($data !== false);
} else {
- $has = array_key_exists($parsedkey, $session);
+ // The store supports key awareness, this is easy!
+ // Either no TTL is set of the store supports its handling natively.
+ /* @var cache_store|cache_is_key_aware $store */
+ $has = $store->has($parsedkey);
}
if (!$has && $tryloadifpossible) {
+ $result = null;
if ($this->get_loader() !== false) {
- $result = $this->get_loader()->get($key);
+ $result = $this->get_loader()->get($parsedkey);
} else if ($this->get_datasource() !== null) {
$result = $this->get_datasource()->load_for_cache($key);
}
*/
public function has_all(array $keys) {
$this->check_tracked_user();
- $session = $this->get_session_data();
- foreach ($keys as $key) {
- $has = false;
- $parsedkey = $this->parse_key($key);
- if ($this->has_a_ttl()) {
- // The data has a TTL and the store doesn't support it natively.
- // We must fetch the data and expect a ttl wrapper.
- if (array_key_exists($parsedkey, $session)) {
- $data = $session[$parsedkey];
- $has = ($data instanceof cache_ttl_wrapper && !$data->has_expired());
+ if (($this->has_a_ttl() && !$this->store_supports_native_ttl()) || !$this->store_supports_key_awareness()) {
+ foreach ($keys as $key) {
+ if (!$this->has($key)) {
+ return false;
}
- } else {
- $has = array_key_exists($parsedkey, $session);
- }
- if (!$has) {
- return false;
}
+ return true;
}
- return true;
+ // The cache must be key aware and if support native ttl if it a ttl is set.
+ /* @var cache_store|cache_is_key_aware $store */
+ $store = $this->get_store();
+ return $store->has_all(array_map(array($this, 'parse_key'), $keys));
}
/**
* @return bool True if the cache has at least one of the given keys
*/
public function has_any(array $keys) {
- $this->check_tracked_user();
- $session = $this->get_session_data();
- foreach ($keys as $key) {
- $has = false;
- $parsedkey = $this->parse_key($key);
- if ($this->has_a_ttl()) {
- // The data has a TTL and the store doesn't support it natively.
- // We must fetch the data and expect a ttl wrapper.
- if (array_key_exists($parsedkey, $session)) {
- $data = $session[$parsedkey];
- $has = ($data instanceof cache_ttl_wrapper && !$data->has_expired());
+ if (($this->has_a_ttl() && !$this->store_supports_native_ttl()) || !$this->store_supports_key_awareness()) {
+ foreach ($keys as $key) {
+ if ($this->has($key)) {
+ return true;
}
- } else {
- $has = array_key_exists($parsedkey, $session);
- }
- if ($has) {
- return true;
}
+ return false;
}
- return false;
+ /* @var cache_store|cache_is_key_aware $store */
+ $store = $this->get_store();
+ return $store->has_any(array_map(array($this, 'parse_key'), $keys));
}
/**
/**
* The maximum size for the store, or false if there isn't one.
- * @var bool
+ * @var bool|int
*/
protected $maxsize = false;
*/
public function initialise(cache_definition $definition) {
$this->storeid = $definition->generate_definition_hash();
- $this->store = &self::register_store_id($definition->get_id());
+ $this->store = &self::register_store_id($this->name.'-'.$definition->get_id());
$this->ttl = $definition->get_ttl();
$maxsize = $definition->get_maxsize();
if ($maxsize !== null) {
$this->maxsize = abs((int)$maxsize);
$this->storecount = count($this->store);
}
+ $this->check_ttl();
}
/**
public function get($key) {
if (isset($this->store[$key])) {
if ($this->ttl == 0) {
- return $this->store[$key][0];
+ $value = $this->store[$key][0];
+ if ($this->maxsize !== false) {
+ // Make sure the element is now in the end of array.
+ $this->set($key, $value);
+ }
+ return $value;
} else if ($this->store[$key][1] >= (cache::now() - $this->ttl)) {
return $this->store[$key][0];
+ } else {
+ // Element is present but has expired.
+ $this->check_ttl();
}
}
return false;
*/
public function get_many($keys) {
$return = array();
+ $maxtime = 0;
if ($this->ttl != 0) {
$maxtime = cache::now() - $this->ttl;
}
+ $hasexpiredelements = false;
foreach ($keys as $key) {
$return[$key] = false;
if (isset($this->store[$key])) {
if ($this->ttl == 0) {
$return[$key] = $this->store[$key][0];
+ if ($this->maxsize !== false) {
+ // Make sure the element is now in the end of array.
+ $this->set($key, $return[$key], false);
+ }
} else if ($this->store[$key][1] >= $maxtime) {
$return[$key] = $this->store[$key][0];
+ } else {
+ $hasexpiredelements = true;
}
}
}
+ if ($hasexpiredelements) {
+ // There are some elements that are present but have expired.
+ $this->check_ttl();
+ }
return $return;
}
*
* @param string $key The key to use.
* @param mixed $data The data to set.
- * @param bool $testmaxsize If set to true then we test the maxsize arg and reduce if required.
+ * @param bool $testmaxsize If set to true then we test the maxsize arg and reduce if required. If this is set to false you will
+ * need to perform these checks yourself. This allows for bulk set's to be performed and maxsize tests performed once.
* @return bool True if the operation was a success false otherwise.
*/
public function set($key, $data, $testmaxsize = true) {
$testmaxsize = ($testmaxsize && $this->maxsize !== false);
- if ($testmaxsize) {
- $increment = (!isset($this->store[$key]));
+ $increment = $this->maxsize !== false && !isset($this->store[$key]);
+ if (($this->maxsize !== false && !$increment) || $this->ttl != 0) {
+ // Make sure the element is added to the end of $this->store array.
+ unset($this->store[$key]);
}
- if ($this->ttl == 0) {
- $this->store[$key][0] = $data;
+ if ($this->ttl === 0) {
+ $this->store[$key] = array($data, 0);
} else {
$this->store[$key] = array($data, cache::now());
}
- if ($testmaxsize && $increment) {
+ if ($increment) {
$this->storecount++;
- if ($this->storecount > $this->maxsize) {
- $this->reduce_for_maxsize();
- }
+ }
+ if ($testmaxsize && $this->storecount > $this->maxsize) {
+ $this->reduce_for_maxsize();
}
return true;
}
*/
public function set_many(array $keyvaluearray) {
$count = 0;
+ $increment = 0;
foreach ($keyvaluearray as $pair) {
- $this->set($pair['key'], $pair['value'], false);
+ $key = $pair['key'];
+ $data = $pair['value'];
$count++;
+ if ($this->maxsize !== false || $this->ttl !== 0) {
+ // Make sure the element is added to the end of $this->store array.
+ $this->delete($key);
+ $increment++;
+ } else if (!isset($this->store[$key])) {
+ $increment++;
+ }
+ if ($this->ttl === 0) {
+ $this->store[$key] = array($data, 0);
+ } else {
+ $this->store[$key] = array($data, cache::now());
+ }
}
if ($this->maxsize !== false) {
- $this->storecount += $count;
+ $this->storecount += $increment;
if ($this->storecount > $this->maxsize) {
$this->reduce_for_maxsize();
}
* @return bool
*/
public function has_all(array $keys) {
+ $maxtime = 0;
if ($this->ttl != 0) {
$maxtime = cache::now() - $this->ttl;
}
* @return bool
*/
public function has_any(array $keys) {
+ $maxtime = 0;
if ($this->ttl != 0) {
$maxtime = cache::now() - $this->ttl;
}
* @return bool Returns true if the operation was a success, false otherwise.
*/
public function delete($key) {
- $result = isset($this->store[$key]);
+ if (!isset($this->store[$key])) {
+ return true;
+ }
unset($this->store[$key]);
if ($this->maxsize !== false) {
$this->storecount--;
}
- return $result;
+ return true;
}
/**
* @return int The number of items successfully deleted.
*/
public function delete_many(array $keys) {
+ // The number of items that have been successfully deleted.
$count = 0;
+ // The number of items that have actually being removed (how much to decrement maxsize by).
+ $reduction = 0;
foreach ($keys as $key) {
if (isset($this->store[$key])) {
- $count++;
+ $reduction++;
}
+ $count++;
unset($this->store[$key]);
}
if ($this->maxsize !== false) {
- $this->storecount -= $count;
+ $this->storecount -= $reduction;
}
return $count;
}
return $this->name;
}
+ /**
+ * Removes expired elements.
+ * @return int number of removed elements
+ */
+ protected function check_ttl() {
+ if ($this->ttl === 0) {
+ return 0;
+ }
+ $maxtime = cache::now() - $this->ttl;
+ $count = 0;
+ for ($value = reset($this->store); $value !== false; $value = next($this->store)) {
+ if ($value[1] >= $maxtime) {
+ // We know that elements are sorted by ttl so no need to continue.
+ break;
+ }
+ $count++;
+ }
+ if ($count) {
+ // Remove first $count elements as they are expired.
+ $this->store = array_slice($this->store, $count, null, true);
+ if ($this->maxsize !== false) {
+ $this->storecount -= $count;
+ }
+ }
+ return $count;
+ }
+
/**
* Finds all of the keys being stored in the cache store instance.
*
* @return array
*/
public function find_all() {
+ $this->check_ttl();
return array_keys($this->store);
}
* Finds all of the keys whose keys start with the given prefix.
*
* @param string $prefix
+ * @return array An array of keys.
*/
public function find_by_prefix($prefix) {
$return = array();
}
return $return;
}
+
+ /**
+ * This store supports native TTL handling.
+ * @return bool
+ */
+ public function store_supports_native_ttl() {
+ return true;
+ }
}
* Test the maxsize option.
*/
public function test_maxsize() {
- $defid = 'phpunit/testmaxsize';
$config = cache_config_phpunittest::instance();
- $config->phpunit_add_definition($defid, array(
+ $config->phpunit_add_definition('phpunit/one', array(
'mode' => cache_store::MODE_SESSION,
'component' => 'phpunit',
- 'area' => 'testmaxsize',
+ 'area' => 'one',
'maxsize' => 3
));
- $definition = cache_definition::load($defid, $config->get_definition_by_id($defid));
- $instance = cachestore_session::initialise_test_instance($definition);
- $this->assertTrue($instance->set('key1', 'value1'));
- $this->assertTrue($instance->set('key2', 'value2'));
- $this->assertTrue($instance->set('key3', 'value3'));
+ $config->phpunit_add_definition('phpunit/two', array(
+ 'mode' => cache_store::MODE_SESSION,
+ 'component' => 'phpunit',
+ 'area' => 'two',
+ 'maxsize' => 3
+ ));
+
+ $cacheone = cache::make('phpunit', 'one');
- $this->assertTrue($instance->has('key1'));
- $this->assertTrue($instance->has('key2'));
- $this->assertTrue($instance->has('key3'));
+ $this->assertTrue($cacheone->set('key1', 'value1'));
+ $this->assertTrue($cacheone->set('key2', 'value2'));
+ $this->assertTrue($cacheone->set('key3', 'value3'));
- $this->assertTrue($instance->set('key4', 'value4'));
- $this->assertTrue($instance->set('key5', 'value5'));
+ $this->assertTrue($cacheone->has('key1'));
+ $this->assertTrue($cacheone->has('key2'));
+ $this->assertTrue($cacheone->has('key3'));
- $this->assertFalse($instance->has('key1'));
- $this->assertFalse($instance->has('key2'));
- $this->assertTrue($instance->has('key3'));
- $this->assertTrue($instance->has('key4'));
- $this->assertTrue($instance->has('key5'));
+ $this->assertTrue($cacheone->set('key4', 'value4'));
+ $this->assertTrue($cacheone->set('key5', 'value5'));
- $this->assertFalse($instance->get('key1'));
- $this->assertFalse($instance->get('key2'));
- $this->assertEquals('value3', $instance->get('key3'));
- $this->assertEquals('value4', $instance->get('key4'));
- $this->assertEquals('value5', $instance->get('key5'));
+ $this->assertFalse($cacheone->has('key1'));
+ $this->assertFalse($cacheone->has('key2'));
+ $this->assertTrue($cacheone->has('key3'));
+ $this->assertTrue($cacheone->has('key4'));
+ $this->assertTrue($cacheone->has('key5'));
+
+ $this->assertFalse($cacheone->get('key1'));
+ $this->assertFalse($cacheone->get('key2'));
+ $this->assertEquals('value3', $cacheone->get('key3'));
+ $this->assertEquals('value4', $cacheone->get('key4'));
+ $this->assertEquals('value5', $cacheone->get('key5'));
// Test adding one more.
- $this->assertTrue($instance->set('key6', 'value6'));
- $this->assertFalse($instance->get('key3'));
+ $this->assertTrue($cacheone->set('key6', 'value6'));
+ $this->assertFalse($cacheone->get('key3'));
// Test reducing and then adding to make sure we don't lost one.
- $this->assertTrue($instance->delete('key6'));
- $this->assertTrue($instance->set('key7', 'value7'));
- $this->assertEquals('value4', $instance->get('key4'));
+ $this->assertTrue($cacheone->delete('key6'));
+ $this->assertTrue($cacheone->set('key7', 'value7'));
+ $this->assertEquals('value4', $cacheone->get('key4'));
// Set the same key three times to make sure it doesn't count overrides.
for ($i = 0; $i < 3; $i++) {
- $this->assertTrue($instance->set('key8', 'value8'));
+ $this->assertTrue($cacheone->set('key8', 'value8'));
}
- $this->assertEquals('value7', $instance->get('key7'), 'Overrides are incorrectly incrementing size');
+ $this->assertEquals('value7', $cacheone->get('key7'), 'Overrides are incorrectly incrementing size');
// Test adding many.
- $this->assertEquals(3, $instance->set_many(array(
- array('key' => 'keyA', 'value' => 'valueA'),
- array('key' => 'keyB', 'value' => 'valueB'),
- array('key' => 'keyC', 'value' => 'valueC')
+ $this->assertEquals(3, $cacheone->set_many(array(
+ 'keyA' => 'valueA',
+ 'keyB' => 'valueB',
+ 'keyC' => 'valueC'
)));
$this->assertEquals(array(
'key4' => false,
'keyA' => 'valueA',
'keyB' => 'valueB',
'keyC' => 'valueC'
- ), $instance->get_many(array(
+ ), $cacheone->get_many(array(
'key4', 'key5', 'key6', 'key7', 'keyA', 'keyB', 'keyC'
)));
+
+ $cachetwo = cache::make('phpunit', 'two');
+
+ // Test adding many.
+ $this->assertEquals(3, $cacheone->set_many(array(
+ 'keyA' => 'valueA',
+ 'keyB' => 'valueB',
+ 'keyC' => 'valueC'
+ )));
+
+ $this->assertEquals(3, $cachetwo->set_many(array(
+ 'key1' => 'value1',
+ 'key2' => 'value2',
+ 'key3' => 'value3'
+ )));
+
+ $this->assertEquals(array(
+ 'keyA' => 'valueA',
+ 'keyB' => 'valueB',
+ 'keyC' => 'valueC'
+ ), $cacheone->get_many(array(
+ 'keyA', 'keyB', 'keyC'
+ )));
+
+ $this->assertEquals(array(
+ 'key1' => 'value1',
+ 'key2' => 'value2',
+ 'key3' => 'value3'
+ ), $cachetwo->get_many(array(
+ 'key1', 'key2', 'key3'
+ )));
+
+ // Test that that cache deletes element that was least recently accessed.
+ $this->assertEquals('valueA', $cacheone->get('keyA'));
+ $cacheone->set('keyD', 'valueD');
+ $this->assertEquals('valueA', $cacheone->get('keyA'));
+ $this->assertFalse($cacheone->get('keyB'));
+ $this->assertEquals(array('keyD' => 'valueD', 'keyC' => 'valueC'), $cacheone->get_many(array('keyD', 'keyC')));
+ $cacheone->set('keyE', 'valueE');
+ $this->assertFalse($cacheone->get('keyB'));
+ $this->assertFalse($cacheone->get('keyA'));
+ $this->assertEquals(array('keyA' => false, 'keyE' => 'valueE', 'keyD' => 'valueD', 'keyC' => 'valueC'),
+ $cacheone->get_many(array('keyA', 'keyE', 'keyD', 'keyC')));
+ // Overwrite keyE (moves it to the end of array), and set keyF.
+ $cacheone->set_many(array('keyE' => 'valueE', 'keyF' => 'valueF'));
+ $this->assertEquals(array('keyC' => 'valueC', 'keyE' => 'valueE', 'keyD' => false, 'keyF' => 'valueF'),
+ $cacheone->get_many(array('keyC', 'keyE', 'keyD', 'keyF')));
+ }
+
+ public function test_ttl() {
+ $config = cache_config_phpunittest::instance();
+ $config->phpunit_add_definition('phpunit/three', array(
+ 'mode' => cache_store::MODE_SESSION,
+ 'component' => 'phpunit',
+ 'area' => 'three',
+ 'maxsize' => 3,
+ 'ttl' => 3
+ ));
+
+ $cachethree = cache::make('phpunit', 'three');
+
+ // Make sure that when cache with ttl is full the elements that were added first are deleted first regardless of access time.
+ $cachethree->set('key1', 'value1');
+ $cachethree->set('key2', 'value2');
+ $cachethree->set('key3', 'value3');
+ $cachethree->set('key4', 'value4');
+ $this->assertFalse($cachethree->get('key1'));
+ $this->assertEquals('value4', $cachethree->get('key4'));
+ $cachethree->set('key5', 'value5');
+ $this->assertFalse($cachethree->get('key2'));
+ $this->assertEquals('value4', $cachethree->get('key4'));
+ $cachethree->set_many(array('key6' => 'value6', 'key7' => 'value7'));
+ $this->assertEquals(array('key3' => false, 'key4' => false, 'key5' => 'value5', 'key6' => 'value6', 'key7' => 'value7'),
+ $cachethree->get_many(array('key3', 'key4', 'key5', 'key6', 'key7')));
}
}
\ No newline at end of file
}
/**
- * Test that multiple loaders work ok.
+ * Test that multiple application loaders work ok.
*/
- public function test_multiple_loaders() {
+ public function test_multiple_application_loaders() {
$instance = cache_config_phpunittest::instance(true);
$instance->phpunit_add_file_store('phpunittest1');
$instance->phpunit_add_file_store('phpunittest2');
$this->assertFalse($result['a']);
$this->assertEquals('B', $result['b']);
$this->assertFalse($result['c']);
+
+ // Test non-recursive deletes.
+ $this->assertTrue($cache->set('test', 'test'));
+ $this->assertSame('test', $cache->get('test'));
+ $this->assertTrue($cache->delete('test', false));
+ // We should still have it on a deeper loader.
+ $this->assertSame('test', $cache->get('test'));
+ // Test non-recusive with many functions.
+ $this->assertSame(3, $cache->set_many(array(
+ 'one' => 'one',
+ 'two' => 'two',
+ 'three' => 'three'
+ )));
+ $this->assertSame('one', $cache->get('one'));
+ $this->assertSame(array('two' => 'two', 'three' => 'three'), $cache->get_many(array('two', 'three')));
+ $this->assertSame(3, $cache->delete_many(array('one', 'two', 'three'), false));
+ $this->assertSame('one', $cache->get('one'));
+ $this->assertSame(array('two' => 'two', 'three' => 'three'), $cache->get_many(array('two', 'three')));
+ }
+
+ /**
+ * Test that multiple application loaders work ok.
+ */
+ public function test_multiple_session_loaders() {
+ /* @var cache_config_phpunittest $instance */
+ $instance = cache_config_phpunittest::instance(true);
+ $instance->phpunit_add_session_store('phpunittest1');
+ $instance->phpunit_add_session_store('phpunittest2');
+ $instance->phpunit_add_definition('phpunit/multi_loader', array(
+ 'mode' => cache_store::MODE_SESSION,
+ 'component' => 'phpunit',
+ 'area' => 'multi_loader'
+ ));
+ $instance->phpunit_add_definition_mapping('phpunit/multi_loader', 'phpunittest1', 3);
+ $instance->phpunit_add_definition_mapping('phpunit/multi_loader', 'phpunittest2', 2);
+
+ $cache = cache::make('phpunit', 'multi_loader');
+ $this->assertInstanceOf('cache_session', $cache);
+ $this->assertFalse($cache->get('test'));
+ $this->assertTrue($cache->set('test', 'test'));
+ $this->assertEquals('test', $cache->get('test'));
+ $this->assertTrue($cache->delete('test'));
+ $this->assertFalse($cache->get('test'));
+ $this->assertTrue($cache->set('test', 'test'));
+ $this->assertTrue($cache->purge());
+ $this->assertFalse($cache->get('test'));
+
+ // Test the many commands.
+ $this->assertEquals(3, $cache->set_many(array('a' => 'A', 'b' => 'B', 'c' => 'C')));
+ $result = $cache->get_many(array('a', 'b', 'c'));
+ $this->assertInternalType('array', $result);
+ $this->assertCount(3, $result);
+ $this->assertArrayHasKey('a', $result);
+ $this->assertArrayHasKey('b', $result);
+ $this->assertArrayHasKey('c', $result);
+ $this->assertEquals('A', $result['a']);
+ $this->assertEquals('B', $result['b']);
+ $this->assertEquals('C', $result['c']);
+ $this->assertEquals($result, $cache->get_many(array('a', 'b', 'c')));
+ $this->assertEquals(2, $cache->delete_many(array('a', 'c')));
+ $result = $cache->get_many(array('a', 'b', 'c'));
+ $this->assertInternalType('array', $result);
+ $this->assertCount(3, $result);
+ $this->assertArrayHasKey('a', $result);
+ $this->assertArrayHasKey('b', $result);
+ $this->assertArrayHasKey('c', $result);
+ $this->assertFalse($result['a']);
+ $this->assertEquals('B', $result['b']);
+ $this->assertFalse($result['c']);
+
+ // Test non-recursive deletes.
+ $this->assertTrue($cache->set('test', 'test'));
+ $this->assertSame('test', $cache->get('test'));
+ $this->assertTrue($cache->delete('test', false));
+ // We should still have it on a deeper loader.
+ $this->assertSame('test', $cache->get('test'));
+ // Test non-recusive with many functions.
+ $this->assertSame(3, $cache->set_many(array(
+ 'one' => 'one',
+ 'two' => 'two',
+ 'three' => 'three'
+ )));
+ $this->assertSame('one', $cache->get('one'));
+ $this->assertSame(array('two' => 'two', 'three' => 'three'), $cache->get_many(array('two', 'three')));
+ $this->assertSame(3, $cache->delete_many(array('one', 'two', 'three'), false));
+ $this->assertSame('one', $cache->get('one'));
+ $this->assertSame(array('two' => 'two', 'three' => 'three'), $cache->get_many(array('two', 'three')));
}
/**
$this->assertInstanceOf('cache_request', $cache);
$this->assertArrayHasKey('cache_is_searchable', $cache->phpunit_get_store_implements());
}
-}
+}
\ No newline at end of file
);
}
+ /**
+ * Forcefully adds a session store.
+ *
+ * @param string $name
+ */
+ public function phpunit_add_session_store($name) {
+ $this->configstores[$name] = array(
+ 'name' => $name,
+ 'plugin' => 'session',
+ 'configuration' => array(),
+ 'features' => 14,
+ 'modes' => 2,
+ 'default' => true,
+ 'class' => 'cachestore_session',
+ 'lock' => 'cachelock_file_default',
+ );
+ }
+
/**
* Forcefully injects a definition => store mapping.
*
.enrolpanel .container .header h2 {font-size:90%;text-align:center;margin:5px;}
.enrolpanel .container .header .close {width:25px;height:15px;position:absolute;top:5px;right:1em;cursor:pointer;background:url("sprite.png") no-repeat scroll 0 0 transparent;}
.enrolpanel .container .content {}
-.enrolpanel .container .content input {margin:5px;font-size:10px;}
\ No newline at end of file
+.enrolpanel .container .content input {margin:5px;font-size:10px;}
+.enrolpanel.roleassign.visible .container {width:auto;}
var roles = this.user.get(CONTAINER).one('.col_role .roles');
var x = roles.getX() + 10;
var y = roles.getY() + this.user.get(CONTAINER).get('offsetHeight') - 10;
- this.get('elementNode').setStyle('left', x).setStyle('top', y);
+ if ( Y.one(document.body).hasClass('dir-rtl') ) {
+ this.get('elementNode').setStyle('right', x - 20).setStyle('top', y);
+ } else {
+ this.get('elementNode').setStyle('left', x).setStyle('top', y);
+ }
this.get('elementNode').addClass('visible');
this.escCloseEvent = Y.on('key', this.hide, document.body, 'down:27', this);
this.displayed = true;
* @param int $userid User ID
*/
public function __construct($course, $userid) {
- global $CFG, $DB;
+ global $CFG, $DB, $COURSE, $SITE;
// Check modinfo field is set. If not, build and load it.
if (empty($course->modinfo) || empty($course->sectioncache)) {
}
// If we haven't already preloaded contexts for the course, do it now
+ // Modules are also cached here as long as it's the first time this course has been preloaded.
context_helper::preload_course($course->id);
+ // Quick integrity check: as a result of race conditions modinfo may not be regenerated after the change.
+ // It is especially dangerous if modinfo contains the deleted course module, as it results in fatal error.
+ // We can check it very cheap by validating the existence of module context.
+ if ($course->id == $COURSE->id || $course->id == $SITE->id) {
+ // Only verify current course (or frontpage) as pages with many courses may not have module contexts cached.
+ // (Uncached modules will result in a very slow verification).
+ foreach ($info as $mod) {
+ if (!context_module::instance($mod->cm, IGNORE_MISSING)) {
+ debugging('Course cache integrity check failed: course module with id '. $mod->cm.
+ ' does not have context. Rebuilding cache for course '. $course->id);
+ rebuild_course_cache($course->id);
+ $this->course = $DB->get_record('course', array('id' => $course->id), '*', MUST_EXIST);
+ $info = unserialize($this->course->modinfo);
+ $sectioncache = unserialize($this->course->sectioncache);
+ break;
+ }
+ }
+ }
+
// Loop through each piece of module data, constructing it
$modexists = array();
foreach ($info as $mod) {
$extension = strtolower(substr($ext, 1));
if (in_array($extension, $extaiccfiles)) {
$id = strtolower(basename($filename, $ext));
+ if (!isset($ids[$id])) {
+ $ids[$id] = new stdClass();
+ }
$ids[$id]->$extension = $file;
}
}
foreach ($ids as $courseid => $id) {
+ if (!isset($courses[$courseid])) {
+ $courses[$courseid] = new stdClass();
+ }
if (isset($id->crs)) {
$contents = $id->crs->get_content();
$rows = explode("\r\n", $contents);
if (preg_match($regexp, $rows[$i], $matches)) {
for ($j=0; $j<count($columns->columns); $j++) {
$column = $columns->columns[$j];
+ if (!isset($courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]), 1 , -1)])) {
+ $courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]), 1 , -1)] = new stdClass();
+ }
$courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]), 1 , -1)]->$column = substr(trim($matches[$j+1]), 1, -1);
}
}
if (isset($course->elements)) {
foreach ($course->elements as $element) {
unset($sco);
+ $sco = new stdClass();
$sco->identifier = $element->system_id;
$sco->scorm = $scorm->id;
$sco->organization = $course->id;
$sco->title = $element->title;
- if (!isset($element->parent) || strtolower($element->parent) == 'root') {
+ if (!isset($element->parent)) {
$sco->parent = '/';
+ } else if (strtolower($element->parent) == 'root') {
+ $sco->parent = $course->id;
} else {
$sco->parent = $element->parent;
}
// Moodle v2.4.0 release upgrade line
- // Put any upgrade step following this
+ // Put any upgrade step following this.
+
+ // Moodle v2.5.0 release upgrade line.
+ // Put any upgrade step following this.
// Remove old imsrepository type - convert any existing records to external type to help prevent major errors.
- if ($oldversion < 2013050101) {
+ if ($oldversion < 2013081301) {
$scorms = $DB->get_recordset('scorm', array('scormtype' => 'imsrepository'));
- foreach($scorms as $scorm) {
+ foreach ($scorms as $scorm) {
$scorm->scormtype = SCORM_TYPE_EXTERNAL;
if (!empty($CFG->repository)) { // Fix path to imsmanifest if $CFG->repository is set.
$scorm->reference = $CFG->repository.substr($scorm->reference, 1).'/imsmanifest.xml';
$scorm->revision++;
$DB->update_record('scorm', $scorm);
}
- upgrade_mod_savepoint(true, 2013050101, 'scorm');
+ upgrade_mod_savepoint(true, 2013081301, 'scorm');
}
-
- // Moodle v2.5.0 release upgrade line.
- // Put any upgrade step following this.
-
+ // Fix AICC parent/child relationships (MDL-37394).
+ if ($oldversion < 2013081302) {
+ // Get all AICC packages.
+ $aiccpackages = $DB->get_recordset('scorm', array('version' => 'AICC'), '', 'id');
+ foreach ($aiccpackages as $aicc) {
+ $sql = "UPDATE {scorm_scoes}
+ SET parent = organization
+ WHERE scorm = ?
+ AND " . $DB->sql_isempty('scorm_scoes', 'manifest', false, false) . "
+ AND " . $DB->sql_isnotempty('scorm_scoes', 'organization', false, false) . "
+ AND parent = '/'";
+ $DB->execute($sql, array($aicc->id));
+ }
+ $aiccpackages->close();
+ upgrade_mod_savepoint(true, 2013081302, 'scorm');
+ }
return true;
}
defined('MOODLE_INTERNAL') || die();
-$module->version = 2013050101; // The current module version (Date: YYYYMMDDXX)
+$module->version = 2013081302; // The current module version (Date: YYYYMMDDXX)
$module->requires = 2013050100; // Requires this Moodle version
$module->component = 'mod_scorm'; // Full name of the plugin (used for diagnostics)
$module->cron = 300;
// Moodle v2.4.0 release upgrade line.
// Put any upgrade step following this.
+ if ($oldversion < 2013012099) {
+ // Find duplicate rows before they break the 2013012103 step below.
+ $problemids = $DB->get_recordset_sql("
+ SELECT question, MIN(id) AS recordidtokeep
+ FROM {question_match}
+ GROUP BY question
+ HAVING COUNT(1) > 1
+ ");
+ foreach ($problemids as $problem) {
+ $DB->delete_records_select('question_match',
+ 'question = ? AND id > ?',
+ array($problem->question, $problem->recordidtokeep));
+ }
+ $problemids->close();
+
+ // Shortanswer savepoint reached.
+ upgrade_plugin_savepoint(true, 2013012099, 'qtype', 'match');
+ }
+
if ($oldversion < 2013012100) {
// Define table question_match to be renamed to qtype_match_options.
#page-enrol-users .enrol_user_buttons {
float: right;
}
+#page-enrol-users.dir-rtl .enrol_user_buttons {
+ float: left;
+}
#page-enrol-users .enrol_user_buttons .enrolusersbutton {
margin-left: 1em;
display: inline;
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.helplink img{padding-right:3px;padding-left:0}img.iconlarge{width:24px;height:24px;vertical-align:middle}img.iconsort{padding-left:.3em;margin-bottom:.15em;vertical-align:text-bottom}.dir-rtl img.iconsort{padding-right:.3em;padding-left:0}img.icontoggle{width:50px;height:17px;vertical-align:middle}img.iconkbhelp{width:49px;height:17px}img.icon-pre,.dir-rtl img.icon-post{padding-right:3px;padding-left:0}img.icon-post,.dir-rtl img.icon-pre{padding-right:0;padding-left:3px}.boxaligncenter{margin-right:auto;margin-left:auto}.boxalignright{margin-right:0;margin-left:auto}.boxalignleft{margin-right:auto;margin-left:0}.boxwidthnarrow{width:30%}.boxwidthnormal{width:50%}.boxwidthwide{width:80%}.headermain{font-weight:bold}#maincontent{display:block;height:1px;overflow:hidden}img.uihint{cursor:help}#addmembersform table{margin-right:auto;margin-left:auto}.flexible th{white-space:nowrap}table.flexible .emptyrow{display:none}img.emoticon{width:15px;height:15px;vertical-align:middle}form.popupform,form.popupform div{display:inline}.arrow_button input{overflow:hidden}.action-icon img.smallicon{margin:0 .3em;vertical-align:text-bottom}.main img{vertical-align:middle}.no-overflow{padding-bottom:1px;overflow:auto}.pagelayout-report .no-overflow{overflow:visible}.no-overflow>.generaltable{margin-bottom:0}.accesshide{position:absolute;left:-10000px;font-size:1em;font-weight:normal}.dir-rtl .accesshide{top:-30000px;left:auto}span.hide,div.hide{display:none}a.skip-block,a.skip{position:absolute;top:-1000em;font-size:.85em;text-decoration:none}a.skip-block:focus,a.skip-block:active,a.skip:focus,a.skip:active{position:static;display:block}.skip-block-to{display:block;height:1px;overflow:hidden}.addbloglink{text-align:center}.blog_entry .audience{padding-right:4px;text-align:right}.blog_entry .tags{margin-top:15px}.blog_entry .tags .action-icon img.smallicon{width:16px;height:16px}.blog_entry .content{margin-left:43px}#page-group-index #groupeditform{text-align:center}#doc-contents h1{margin:1em 0 0 0}#doc-contents ul{width:90%;padding:0;margin:0}#doc-contents ul li{list-style-type:none}.groupmanagementtable td{vertical-align:top}.groupmanagementtable #existingcell,.groupmanagementtable #potentialcell{width:42%}.groupmanagementtable #buttonscell{width:16%}.groupmanagementtable #removeselect_wrapper,.groupmanagementtable #addselect_wrapper{width:100%}.groupmanagementtable #removeselect_wrapper label,.groupmanagementtable #addselect_wrapper label{font-weight:normal}.dir-rtl .groupmanagementtable p{text-align:right}#group-usersummary{width:14em}.groupselector{margin-top:3px;margin-bottom:3px}.loginbox{margin:15px;overflow:visible}.loginbox.twocolumns{margin:15px}.loginbox h2,.loginbox .subcontent{padding:10px;margin:5px;text-align:center}.loginbox .loginpanel .desc{padding:0;margin:0;margin-top:15px;margin-bottom:5px}.loginbox .signuppanel .subcontent{text-align:left}.dir-rtl .loginbox .signuppanel .subcontent{text-align:right}.loginbox .loginsub{margin-right:0;margin-left:0}.loginbox .guestsub,.loginbox .forgotsub,.loginbox .potentialidps{margin:5px 12%}.loginbox .potentialidps .potentialidplist{margin-left:40%}.loginbox .potentialidps .potentialidplist div{text-align:left}.loginbox .loginform{margin-top:1em;text-align:left}.loginbox .loginform .form-label{float:left;width:44%;text-align:right;white-space:nowrap;direction:rtl}.dir-rtl .loginbox .loginform .form-label{float:left;width:44%;text-align:right;white-space:nowrap;direction:ltr}.loginbox .loginform .form-input{float:right;width:55%}.loginbox .loginform .form-input input{width:6em}.loginbox .signupform{margin-top:1em;text-align:center}.loginbox.twocolumns .loginpanel,.loginbox.twocolumns .signuppanel{display:block;float:left;width:48%;min-height:30px;padding:0;padding-bottom:2000px;margin:0;margin-bottom:-2000px;margin-left:2.76243%;border:0;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.loginbox .potentialidp .smallicon{margin:0 .3em;vertical-align:text-bottom}.notepost{margin-bottom:1em}.notepost .userpicture{float:left;margin-right:5px}.notepost .content,.notepost .footer{clear:both}.notesgroup{margin-left:20px}.path-my .coursebox .overview{margin:15px 30px 10px 30px}.path-my .coursebox .info{float:none;margin:0}.mod_introbox{padding:10px}table.mod_index{width:100%}.comment-ctrl{display:none;padding:0;margin:0;font-size:12px}.comment-ctrl h5{padding:5px;margin:0}.comment-area{max-width:400px;padding:5px}.comment-area textarea{width:100%;overflow:auto}.comment-area .fd{text-align:right}.comment-meta span{color:gray}.comment-link img{vertical-align:text-bottom}.comment-list{padding:0;margin:0;overflow:auto;font-size:11px;list-style:none}.comment-list li{position:relative;padding:.3em;margin:2px;margin-bottom:5px;clear:both;list-style:none}.comment-list li.first{display:none}.comment-paging{text-align:center}.comment-paging .pageno{padding:2px}.comment-paging .curpage{border:1px solid #CCC}.comment-message .picture{float:left;width:20px}.dir-rtl .comment-message .picture{float:right}.comment-message .text{padding:0;margin:0}.comment-message .text p{padding:0;margin:0 18px 0 0}.comment-delete{position:absolute;top:0;right:0;margin:.3em}.dir-rtl .comment-delete{position:absolute;right:auto;left:0;margin:.3em}.comment-delete-confirm{width:5em;padding:2px;text-align:center;background:#eee}.comment-container{float:left;margin:4px}.comment-report-selectall{display:none}.comment-link{display:none}.jsenabled .comment-link{display:block}.jsenabled .showcommentsnonjs{display:none}.jsenabled .comment-report-selectall{display:inline}.completion-expired{background:#f2dede}.completion-expected{font-size:10.5px}.completion-sortchoice,.completion-identifyfield{font-size:10.5px;vertical-align:bottom}.completion-progresscell{text-align:right}.completion-expired .completion-expected{font-weight:bold}#page-tag-coursetags_edit .coursetag_edit_centered{position:relative;width:600px;margin:20px auto}#page-tag-coursetags_edit .coursetag_edit_row{clear:both}#page-tag-coursetags_edit .coursetag_edit_row .coursetag_edit_left{float:left;width:50%;text-align:right}#page-tag-coursetags_edit .coursetag_edit_row .coursetag_edit_right{margin-left:50%}#page-tag-coursetags_edit .coursetag_edit_input3{display:none}#page-tag-coursetags_more .coursetag_more_large{font-size:120%}#page-tag-coursetags_more .coursetag_more_small{font-size:80%}#page-tag-coursetags_more .coursetag_more_link{font-size:80%}#tag-description,#tag-blogs{width:100%}#tag-management-box{margin-bottom:10px;line-height:20px}#tag-user-table{width:100%;padding:3px;clear:both}#tag-user-table{*zoom:1}#tag-user-table:before,#tag-user-table:after{display:table;line-height:0;content:""}#tag-user-table:after{clear:both}img.user-image{width:100px;height:100px}#small-tag-cloud-box{width:300px;margin:0 auto}#big-tag-cloud-box{float:none;width:600px;margin:0 auto}ul#tag-cloud-list{padding:5px;margin:0;list-style:none}ul#tag-cloud-list li{display:inline;margin:0;list-style-type:none}#tag-search-box{margin:10px auto;text-align:center}#tag-search-results-container{width:100%;padding:0}#tag-search-results{display:block;float:left;width:60%;padding:0;margin:15px 20% 0 20%}#tag-search-results li{float:left;width:30%;padding-right:1%;padding-left:1%;line-height:20px;text-align:left;list-style:none}span.flagged-tag,span.flagged-tag a{color:#b94a48}table#tag-management-list{width:100%;text-align:left}table#tag-management-list td,table#tag-management-list th{padding:4px;text-align:left;vertical-align:middle}.tag-management-form{text-align:center}#relatedtags-autocomplete-container{width:100%;min-height:4.6em;margin-right:auto;margin-left:auto}#relatedtags-autocomplete{position:relative;display:block;width:60%;margin-right:auto;margin-left:auto}#relatedtags-autocomplete .yui-ac-content{position:absolute;left:20%;z-index:9050;width:420px;overflow:hidden;background:#fff;border:1px solid #404040}#relatedtags-autocomplete .ysearchquery{position:absolute;right:10px;z-index:10;color:#808080}#relatedtags-autocomplete .yui-ac-shadow{position:absolute;z-index:9049;width:100%;margin:.3em;background:#a0a0a0}#relatedtags-autocomplete ul{width:100%;padding:0;margin:0;list-style-type:none}#relatedtags-autocomplete li{padding:0 5px;white-space:nowrap;cursor:default}#relatedtags-autocomplete 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li{list-style:none}.smartselect .smartselect_menu{margin-right:5px}.safari .smartselect .smartselect_menu{margin-left:2px}.smartselect .smartselect_menu,.smartselect .smartselect_submenu{display:none;background-color:#FFF;border:1px solid #000}.smartselect .smartselect_menu.visible,.smartselect .smartselect_submenu.visible{display:block}.smartselect .smartselect_menu_content ul li{position:relative;padding:2px 5px}.smartselect .smartselect_menu_content ul li a{color:#333;text-decoration:none}.smartselect .smartselect_menu_content ul li a.selectable{color:inherit}.smartselect .smartselect_submenuitem{background-image:url([[pix:moodle|t/collapsed]]);background-position:100%;background-repeat:no-repeat}.smartselect.spanningmenu .smartselect_submenu{position:absolute;top:-1px;left:100%}.smartselect.spanningmenu .smartselect_submenu a{padding-right:16px;white-space:nowrap}.smartselect.spanningmenu .smartselect_menu_content ul li 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