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9def79f79a
When registereing an external blog the choose a link button is misleading, we don't have any repos which restrict to RSS feeds, so the majority of results you get from the repo picker will be wrong.
127 lines
4.5 KiB
PHP
127 lines
4.5 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Moodleform for the user interface for managing external blog links.
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*
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* @package moodlecore
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* @subpackage blog
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* @copyright 2009 Nicolas Connault
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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if (!defined('MOODLE_INTERNAL')) {
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die('Direct access to this script is forbidden.'); // It must be included from a Moodle page.
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}
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require_once($CFG->libdir.'/formslib.php');
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class blog_edit_external_form extends moodleform {
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public function definition() {
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global $CFG;
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$mform =& $this->_form;
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$mform->addElement('url', 'url', get_string('url', 'blog'), array('size' => 50), array('usefilepicker' => false));
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$mform->setType('url', PARAM_URL);
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$mform->addRule('url', get_string('emptyurl', 'blog'), 'required', null, 'client');
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$mform->addHelpButton('url', 'url', 'blog');
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$mform->addElement('text', 'name', get_string('name', 'blog'));
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$mform->setType('name', PARAM_TEXT);
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$mform->addHelpButton('name', 'name', 'blog');
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$mform->addElement('textarea', 'description', get_string('description', 'blog'), array('cols' => 50, 'rows' => 7));
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$mform->addHelpButton('description', 'description', 'blog');
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// To filter external blogs by their tags we do not need to check if tags in moodle are enabled.
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$mform->addElement('text', 'filtertags', get_string('filtertags', 'blog'), array('size' => 50));
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$mform->setType('filtertags', PARAM_TAGLIST);
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$mform->addHelpButton('filtertags', 'filtertags', 'blog');
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$mform->addElement('tags', 'autotags', get_string('autotags', 'blog'),
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array('itemtype' => 'blog_external', 'component' => 'core'));
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$mform->addHelpButton('autotags', 'autotags', 'blog');
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$this->add_action_buttons();
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$mform->addElement('hidden', 'id');
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$mform->setType('id', PARAM_INT);
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$mform->setDefault('id', 0);
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$mform->addElement('hidden', 'returnurl');
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$mform->setType('returnurl', PARAM_URL);
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$mform->setDefault('returnurl', 0);
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}
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/**
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* Additional validation includes checking URL and tags
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*/
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public function validation($data, $files) {
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global $CFG;
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$errors = parent::validation($data, $files);
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require_once($CFG->libdir . '/simplepie/moodle_simplepie.php');
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$rss = new moodle_simplepie();
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$rssfile = $rss->registry->create('File', array($data['url']));
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$filetest = $rss->registry->create('Locator', array($rssfile));
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if (!$filetest->is_feed($rssfile)) {
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$errors['url'] = get_string('feedisinvalid', 'blog');
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} else {
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$rss->set_feed_url($data['url']);
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if (!$rss->init()) {
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$errors['url'] = get_string('emptyrssfeed', 'blog');
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}
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}
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return $errors;
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}
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public function definition_after_data() {
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global $CFG, $COURSE;
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$mform =& $this->_form;
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$name = trim($mform->getElementValue('name'));
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$description = trim($mform->getElementValue('description'));
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$url = $mform->getElementValue('url');
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if (empty($name) || empty($description)) {
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$rss = new moodle_simplepie($url);
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if (empty($name) && $rss->get_title()) {
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$mform->setDefault('name', $rss->get_title());
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}
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if (empty($description) && $rss->get_description()) {
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$mform->setDefault('description', $rss->get_description());
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}
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}
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if ($id = $mform->getElementValue('id')) {
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$mform->freeze('url');
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if ($mform->elementExists('filtertags')) {
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$mform->freeze('filtertags');
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}
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// TODO change the filtertags element to a multiple select, using the tags of the external blog
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// Use $rss->get_channel_tags().
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}
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}
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}
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