Current Path : C:/Users/Mahmood/Desktop/moodle8/blog/ |
Current File : C:/Users/Mahmood/Desktop/moodle8/blog/external_blog_edit_form.php |
<?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/>. /** * Moodleform for the user interface for managing external blog links. * * @package moodlecore * @subpackage blog * @copyright 2009 Nicolas Connault * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ if (!defined('MOODLE_INTERNAL')) { die('Direct access to this script is forbidden.'); // It must be included from a Moodle page. } require_once($CFG->libdir.'/formslib.php'); class blog_edit_external_form extends moodleform { public function definition() { global $CFG; $mform =& $this->_form; $mform->addElement('url', 'url', get_string('url', 'blog'), array('size' => 60), array('usefilepicker' => false)); $mform->setType('url', PARAM_URL); $mform->addRule('url', get_string('emptyurl', 'blog'), 'required', null, 'client'); $mform->addHelpButton('url', 'url', 'blog'); $mform->addElement('text', 'name', get_string('name', 'blog')); $mform->setType('name', PARAM_TEXT); $mform->addHelpButton('name', 'name', 'blog'); $mform->addElement('textarea', 'description', get_string('description', 'blog'), array('cols' => 50, 'rows' => 7)); $mform->addHelpButton('description', 'description', 'blog'); // To filter external blogs by their tags we do not need to check if tags in moodle are enabled. $mform->addElement('text', 'filtertags', get_string('filtertags', 'blog'), array('size' => 50)); $mform->setType('filtertags', PARAM_TAGLIST); $mform->addHelpButton('filtertags', 'filtertags', 'blog'); $mform->addElement('tags', 'autotags', get_string('autotags', 'blog'), array('itemtype' => 'blog_external', 'component' => 'core')); $mform->addHelpButton('autotags', 'autotags', 'blog'); $this->add_action_buttons(); $mform->addElement('hidden', 'id'); $mform->setType('id', PARAM_INT); $mform->setDefault('id', 0); $mform->addElement('hidden', 'returnurl'); $mform->setType('returnurl', PARAM_URL); $mform->setDefault('returnurl', 0); } /** * Additional validation includes checking URL and tags */ public function validation($data, $files) { global $CFG; $errors = parent::validation($data, $files); require_once($CFG->libdir . '/simplepie/moodle_simplepie.php'); $rss = new moodle_simplepie(); $rssfile = $rss->registry->create('File', array($data['url'])); $filetest = $rss->registry->create('Locator', array($rssfile)); if (!$filetest->is_feed($rssfile)) { $errors['url'] = get_string('feedisinvalid', 'blog'); } else { $rss->set_feed_url($data['url']); if (!$rss->init()) { $errors['url'] = get_string('emptyrssfeed', 'blog'); } } return $errors; } public function definition_after_data() { global $CFG, $COURSE; $mform =& $this->_form; $name = trim($mform->getElementValue('name')); $description = trim($mform->getElementValue('description')); $url = $mform->getElementValue('url'); if (empty($name) || empty($description)) { $rss = new moodle_simplepie($url); if (empty($name) && $rss->get_title()) { $mform->setDefault('name', $rss->get_title()); } if (empty($description) && $rss->get_description()) { $mform->setDefault('description', $rss->get_description()); } } if ($id = $mform->getElementValue('id')) { $mform->freeze('url'); if ($mform->elementExists('filtertags')) { $mform->freeze('filtertags'); } // TODO change the filtertags element to a multiple select, using the tags of the external blog // Use $rss->get_channel_tags(). } } }