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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Forms used for the administration and managemement of the cache setup.
*
* This file is part of Moodle's cache API, affectionately called MUC.
*
* @package core
* @category cache
* @copyright 2012 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot.'/lib/formslib.php');
/**
* Add store instance form.
*
* @package core
* @category cache
* @copyright 2012 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class cachestore_addinstance_form extends moodleform {
/**
* The definition of the add instance form
*/
protected final function definition() {
$form = $this->_form;
$store = $this->_customdata['store'];
$plugin = $this->_customdata['plugin'];
$locks = $this->_customdata['locks'];
$form->addElement('hidden', 'plugin', $plugin);
$form->setType('plugin', PARAM_PLUGIN);
$form->addElement('hidden', 'editing', !empty($this->_customdata['store']));
$form->setType('editing', PARAM_BOOL);
if (!$store) {
$form->addElement('text', 'name', get_string('storename', 'cache'));
$form->addHelpButton('name', 'storename', 'cache');
$form->addRule('name', get_string('required'), 'required');
$form->setType('name', PARAM_NOTAGS);
} else {
$form->addElement('hidden', 'name', $store);
$form->addElement('static', 'name-value', get_string('storename', 'cache'), $store);
$form->setType('name', PARAM_NOTAGS);
}
if (is_array($locks)) {
$form->addElement('select', 'lock', get_string('locking', 'cache'), $locks);
$form->addHelpButton('lock', 'locking', 'cache');
$form->setType('lock', PARAM_ALPHANUMEXT);
} else {
$form->addElement('hidden', 'lock', '');
$form->setType('lock', PARAM_ALPHANUMEXT);
$form->addElement('static', 'lock-value', get_string('locking', 'cache'),
'<em>'.get_string('nativelocking', 'cache').'</em>');
}
if (method_exists($this, 'configuration_definition')) {
$form->addElement('header', 'storeconfiguration', get_string('storeconfiguration', 'cache'));
$this->configuration_definition();
}
$this->add_action_buttons();
}
/**
* Validates the add instance form data
*
* @param array $data
* @param array $files
* @return array
*/
public function validation($data, $files) {
$errors = parent::validation($data, $files);
if (!array_key_exists('name', $errors)) {
if (!preg_match('#^[a-zA-Z0-9\-_ ]+$#', $data['name'])) {
$errors['name'] = get_string('storenameinvalid', 'cache');
} else if (empty($this->_customdata['store'])) {
$stores = cache_administration_helper::get_store_instance_summaries();
if (array_key_exists($data['name'], $stores)) {
$errors['name'] = get_string('storenamealreadyused', 'cache');
}
}
}
if (method_exists($this, 'configuration_validation')) {
$newerrors = $this->configuration_validation($data, $files, $errors);
// We need to selectiviliy merge here
foreach ($newerrors as $element => $error) {
if (!array_key_exists($element, $errors)) {
$errors[$element] = $error;
}
}
}
return $errors;
}
}
/**
* Form to set definition mappings
*
* @package core
* @category cache
* @copyright 2012 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class cache_definition_mappings_form extends moodleform {
/**
* The definition of the form
*/
protected final function definition() {
global $OUTPUT;
$definition = $this->_customdata['definition'];
$form = $this->_form;
list($component, $area) = explode('/', $definition, 2);
list($currentstores, $storeoptions, $defaults) =
cache_administration_helper::get_definition_store_options($component, $area);
$storedata = cache_administration_helper::get_definition_summaries();
if ($storedata[$definition]['mode'] != cache_store::MODE_REQUEST) {
if (isset($storedata[$definition]['canuselocalstore']) && $storedata[$definition]['canuselocalstore']) {
$form->addElement('html', $OUTPUT->notification(get_string('localstorenotification', 'cache'), 'notifymessage'));
} else {
$form->addElement('html', $OUTPUT->notification(get_string('sharedstorenotification', 'cache'), 'notifymessage'));
}
}
$form->addElement('hidden', 'definition', $definition);
$form->setType('definition', PARAM_SAFEPATH);
$form->addElement('hidden', 'action', 'editdefinitionmapping');
$form->setType('action', PARAM_ALPHA);
$requiredoptions = max(3, count($currentstores)+1);
$requiredoptions = min($requiredoptions, count($storeoptions));
$options = array('' => get_string('none'));
foreach ($storeoptions as $option => $def) {
$options[$option] = $option;
if ($def['default']) {
$options[$option] .= ' '.get_string('mappingdefault', 'cache');
}
}
for ($i = 0; $i < $requiredoptions; $i++) {
$title = '...';
if ($i === 0) {
$title = get_string('mappingprimary', 'cache');
} else if ($i === $requiredoptions-1) {
$title = get_string('mappingfinal', 'cache');
}
$form->addElement('select', 'mappings['.$i.']', $title, $options);
}
$i = 0;
foreach ($currentstores as $store => $def) {
$form->setDefault('mappings['.$i.']', $store);
$i++;
}
if (!empty($defaults)) {
$form->addElement('static', 'defaults', get_string('defaultmappings', 'cache'),
html_writer::tag('strong', join(', ', $defaults)));
$form->addHelpButton('defaults', 'defaultmappings', 'cache');
}
$this->add_action_buttons();
}
}
/**
* Form to set definition sharing option
*
* @package core
* @category cache
* @copyright 2013 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class cache_definition_sharing_form extends moodleform {
/**
* The definition of the form
*/
protected final function definition() {
$definition = $this->_customdata['definition'];
$sharingoptions = $this->_customdata['sharingoptions'];
$form = $this->_form;
$form->addElement('hidden', 'definition', $definition);
$form->setType('definition', PARAM_SAFEPATH);
$form->addElement('hidden', 'action', 'editdefinitionsharing');
$form->setType('action', PARAM_ALPHA);
// We use a group here for validation.
$count = 0;
$group = array();
foreach ($sharingoptions as $value => $text) {
$count++;
$group[] = $form->createElement('checkbox', $value, null, $text);
}
$form->addGroup($group, 'sharing', get_string('sharing', 'cache'), '<br />');
$form->setType('sharing', PARAM_INT);
$form->addElement('text', 'userinputsharingkey', get_string('userinputsharingkey', 'cache'));
$form->addHelpButton('userinputsharingkey', 'userinputsharingkey', 'cache');
$form->disabledIf('userinputsharingkey', 'sharing['.cache_definition::SHARING_INPUT.']', 'notchecked');
$form->setType('userinputsharingkey', PARAM_ALPHANUMEXT);
$values = array_keys($sharingoptions);
if (in_array(cache_definition::SHARING_ALL, $values)) {
// If you share with all thenthe other options don't really make sense.
foreach ($values as $value) {
$form->disabledIf('sharing['.$value.']', 'sharing['.cache_definition::SHARING_ALL.']', 'checked');
}
$form->disabledIf('userinputsharingkey', 'sharing['.cache_definition::SHARING_ALL.']', 'checked');
}
$this->add_action_buttons();
}
/**
* Sets the data for this form.
*
* @param array $data
*/
public function set_data($data) {
if (!isset($data['sharing'])) {
// Set the default value here. mforms doesn't handle defaults very nicely.
$data['sharing'] = cache_administration_helper::get_definition_sharing_options(cache_definition::SHARING_DEFAULT);
}
parent::set_data($data);
}
/**
* Validates this form
*
* @param array $data
* @param array $files
* @return array
*/
public function validation($data, $files) {
$errors = parent::validation($data, $files);
if (count($errors) === 0 && !isset($data['sharing'])) {
// They must select at least one sharing option.
$errors['sharing'] = get_string('sharingrequired', 'cache');
}
return $errors;
}
}
/**
* Form to set the mappings for a mode.
*
* @package core
* @category cache
* @copyright 2012 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class cache_mode_mappings_form extends moodleform {
/**
* The definition of the form
*/
protected function definition() {
$form = $this->_form;
$stores = $this->_customdata;
$options = array(
cache_store::MODE_APPLICATION => array(),
cache_store::MODE_SESSION => array(),
cache_store::MODE_REQUEST => array()
);
foreach ($stores as $storename => $store) {
foreach ($store['modes'] as $mode => $enabled) {
if ($enabled && ($mode !== cache_store::MODE_SESSION || $store['supports']['searchable'])) {
if (empty($store['default'])) {
$options[$mode][$storename] = $store['name'];
} else {
$options[$mode][$storename] = get_string('store_'.$store['name'], 'cache');
}
}
}
}
$form->addElement('hidden', 'action', 'editmodemappings');
$form->setType('action', PARAM_ALPHA);
foreach ($options as $mode => $optionset) {
$form->addElement('select', 'mode_'.$mode, get_string('mode_'.$mode, 'cache'), $optionset);
}
$this->add_action_buttons();
}
}
/**
* Form to add a cache lock instance.
*
* All cache lock plugins that wish to have custom configuration should override
* this form, and more explicitly the plugin_definition and plugin_validation methods.
*
* @package core
* @category cache
* @copyright 2013 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class cache_lock_form extends moodleform {
/**
* Defines this form.
*/
final public function definition() {
$plugin = $this->_customdata['lock'];
$this->_form->addElement('hidden', 'action', 'newlockinstance');
$this->_form->setType('action', PARAM_ALPHANUMEXT);
$this->_form->addElement('hidden', 'lock', $plugin);
$this->_form->setType('lock', PARAM_COMPONENT);
$this->_form->addElement('text', 'name', get_string('lockname', 'cache'));
$this->_form->setType('name', PARAM_ALPHANUMEXT);
$this->_form->addRule('name', get_string('required'), 'required');
$this->_form->addElement('static', 'namedesc', '', get_string('locknamedesc', 'cache'));
$this->plugin_definition();
$this->add_action_buttons();
}
/**
* Validates this form.
*
* @param array $data
* @param array $files
* @return array
*/
final public function validation($data, $files) {
$errors = parent::validation($data, $files);
if (!isset($errors['name'])) {
$config = cache_config::instance();
if (in_array($data['name'], array_keys($config->get_locks()))) {
$errors['name'] = get_string('locknamenotunique', 'cache');
}
}
$errors = $this->plugin_validation($data, $files, $errors);
return $errors;
}
/**
* Plugin specific definition.
*/
public function plugin_definition() {
// No custom validation going on here.
}
/**
* Plugin specific validation.
*
* @param array $data
* @param array $files
* @param array $errors
* @return array
*/
public function plugin_validation($data, $files, array $errors) {
return $errors;
}
}