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moodle/blocks/community/forms.php

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<?php
///////////////////////////////////////////////////////////////////////////
// //
// This file is part of Moodle - http://moodle.org/ //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// //
// 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/>. //
// //
///////////////////////////////////////////////////////////////////////////
/*
* @package blocks
* @subpackage community
* @author Jerome Mouneyrac <jerome@mouneyrac.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL
* @copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com
*
* Form for community search
*/
require_once($CFG->libdir . '/formslib.php');
require_once($CFG->dirroot . '/course/publish/lib.php');
require_once($CFG->dirroot . '/' . $CFG->admin . '/registration/lib.php');
class community_hub_search_form extends moodleform {
public function definition() {
global $CFG, $USER, $OUTPUT;
$strrequired = get_string('required');
$mform = & $this->_form;
//set default value
$search = $this->_customdata['search'];
if (isset($this->_customdata['coverage'])) {
$coverage = $this->_customdata['coverage'];
} else {
$coverage = 'all';
}
if (isset($this->_customdata['licence'])) {
$licence = $this->_customdata['licence'];
} else {
$licence = 'all';
}
if (isset($this->_customdata['subject'])) {
$subject = $this->_customdata['subject'];
} else {
$subject = 'all';
}
if (isset($this->_customdata['audience'])) {
$audience = $this->_customdata['audience'];
} else {
$audience = 'all';
}
if (isset($this->_customdata['language'])) {
$language = $this->_customdata['language'];
} else {
$language = current_language();
}
if (isset($this->_customdata['educationallevel'])) {
$educationallevel = $this->_customdata['educationallevel'];
} else {
$educationallevel = 'all';
}
if (isset($this->_customdata['downloadable'])) {
$downloadable = $this->_customdata['downloadable'];
} else {
$downloadable = 0;
}
if (isset($this->_customdata['orderby'])) {
$orderby = $this->_customdata['orderby'];
} else {
$orderby = 'newest';
}
if (isset($this->_customdata['huburl'])) {
$huburl = $this->_customdata['huburl'];
} else {
$huburl = HUB_MOODLEORGHUBURL;
}
$mform->addElement('header', 'site', get_string('search', 'block_community'));
//add the course id (of the context)
$mform->addElement('hidden', 'courseid', $this->_customdata['courseid']);
$mform->addElement('hidden', 'executesearch', 1);
//retrieve the hub list on the hub directory by web service
$function = 'hubdirectory_get_hubs';
$params = array();
$serverurl = HUB_HUBDIRECTORYURL . "/local/hubdirectory/webservice/webservices.php";
require_once($CFG->dirroot . "/webservice/xmlrpc/lib.php");
$xmlrpcclient = new webservice_xmlrpc_client($serverurl, 'publichubdirectory');
try {
$hubs = $xmlrpcclient->call($function, $params);
} catch (Exception $e) {
$hubs = array();
$error = $OUTPUT->notification(get_string('errorhublisting', 'block_community', $e->getMessage()));
$mform->addElement('static', 'errorhub', '', $error);
}
//display list of registered on hub
$registrationmanager = new registration_manager();
$registeredhubs = $registrationmanager->get_registered_on_hubs();
//retrieve some additional hubs that we will add to
//the hub list got from the hub directory
$additionalhubs = array();
foreach ($registeredhubs as $registeredhub) {
$inthepubliclist = false;
foreach ($hubs as $hub) {
if ($hub['url'] == $registeredhub->huburl) {
$inthepubliclist = true;
$hub['registeredon'] = true;
}
}
if (!$inthepubliclist) {
$additionalhub = array();
$additionalhub['name'] = $registeredhub->hubname;
$additionalhub['url'] = $registeredhub->huburl;
$additionalhubs[] = $additionalhub;
}
}
if (!empty($additionalhubs)) {
$hubs = array_merge($hubs, $additionalhubs);
}
if (!empty($hubs)) {
//TODO: sort hubs by trusted/prioritize
//Public hub list
$options = array();
$firsthub = false;
foreach ($hubs as $hub) {
if (key_exists('id', $hub)) {
$params = array('hubid' => $hub['id'],
'filetype' => HUB_HUBSCREENSHOT_FILE_TYPE);
$imgurl = new moodle_url(HUB_HUBDIRECTORYURL .
"/local/hubdirectory/webservice/download.php", $params);
$ascreenshothtml = html_writer::empty_tag('img',
array('src' => $imgurl, 'alt' => $hub['name']));
$hubdescription = html_writer::tag('a', $hub['name'],
array('class' => 'hublink clearfix', 'href' => $hub['url'],
'onclick' => 'this.target="_blank"'));
$hubdescription .= html_writer::tag('span', $ascreenshothtml,
array('class' => 'hubscreenshot'));
$hubdescriptiontext = html_writer::tag('span', format_text($hub['description'], FORMAT_PLAIN),
array('class' => 'hubdescription'));
if (isset($hub['enrollablecourses'])) { //check needed to avoid warnings for Moodle version < 2011081700
$additionaldesc = get_string('enrollablecourses', 'block_community') . ': ' . $hub['enrollablecourses'] . ' - ' .
get_string('downloadablecourses', 'block_community') . ': ' . $hub['downloadablecourses'];
$hubdescriptiontext .= html_writer::tag('span', $additionaldesc,
array('class' => 'hubadditionaldesc'));
}
if ($hub['trusted']) {
$hubtrusted = get_string('hubtrusted', 'block_community');
$hubdescriptiontext .= html_writer::tag('span',
$hubtrusted . ' ' . $OUTPUT->doc_link('trusted_hubs'),
array('class' => 'trusted'));
}
$hubdescriptiontext = html_writer::tag('span', $hubdescriptiontext,
array('class' => 'hubdescriptiontext'));
$hubdescription = html_writer::tag('span',
$hubdescription . $hubdescriptiontext,
array('class' => $hub['trusted'] ? 'hubtrusted' : 'hubnottrusted'));
} else {
$hubdescription = html_writer::tag('a', $hub['name'],
array('class' => 'hublink hubtrusted', 'href' => $hub['url']));
}
if (empty($firsthub)) {
$mform->addElement('radio', 'huburl', get_string('selecthub', 'block_community'),
$hubdescription, $hub['url']);
$mform->setDefault('huburl', $huburl);
$firsthub = true;
} else {
$mform->addElement('radio', 'huburl', '', $hubdescription, $hub['url']);
}
}
//display enrol/download select box if the USER has the download capability on the course
if (has_capability('moodle/community:download',
context_course::instance($this->_customdata['courseid']))) {
$options = array(0 => get_string('enrollable', 'block_community'),
1 => get_string('downloadable', 'block_community'));
$mform->addElement('select', 'downloadable', get_string('enroldownload', 'block_community'),
$options);
$mform->addHelpButton('downloadable', 'enroldownload', 'block_community');
} else {
$mform->addElement('hidden', 'downloadable', 0);
}
$options = array();
$options['all'] = get_string('any');
$options[HUB_AUDIENCE_EDUCATORS] = get_string('audienceeducators', 'hub');
$options[HUB_AUDIENCE_STUDENTS] = get_string('audiencestudents', 'hub');
$options[HUB_AUDIENCE_ADMINS] = get_string('audienceadmins', 'hub');
$mform->addElement('select', 'audience', get_string('audience', 'block_community'), $options);
$mform->setDefault('audience', $audience);
unset($options);
$mform->addHelpButton('audience', 'audience', 'block_community');
$options = array();
$options['all'] = get_string('any');
$options[HUB_EDULEVEL_PRIMARY] = get_string('edulevelprimary', 'hub');
$options[HUB_EDULEVEL_SECONDARY] = get_string('edulevelsecondary', 'hub');
$options[HUB_EDULEVEL_TERTIARY] = get_string('eduleveltertiary', 'hub');
$options[HUB_EDULEVEL_GOVERNMENT] = get_string('edulevelgovernment', 'hub');
$options[HUB_EDULEVEL_ASSOCIATION] = get_string('edulevelassociation', 'hub');
$options[HUB_EDULEVEL_CORPORATE] = get_string('edulevelcorporate', 'hub');
$options[HUB_EDULEVEL_OTHER] = get_string('edulevelother', 'hub');
$mform->addElement('select', 'educationallevel',
get_string('educationallevel', 'block_community'), $options);
$mform->setDefault('educationallevel', $educationallevel);
unset($options);
$mform->addHelpButton('educationallevel', 'educationallevel', 'block_community');
$publicationmanager = new course_publish_manager();
$options = $publicationmanager->get_sorted_subjects();
foreach ($options as $key => &$option) {
$keylength = strlen($key);
if ($keylength == 10) {
$option = "&nbsp;&nbsp;" . $option;
} else if ($keylength == 12) {
$option = "&nbsp;&nbsp;&nbsp;&nbsp;" . $option;
}
}
$options = array_merge(array('all' => get_string('any')), $options);
$mform->addElement('select', 'subject', get_string('subject', 'block_community'),
$options, array('id' => 'communitysubject'));
$mform->setDefault('subject', $subject);
unset($options);
$mform->addHelpButton('subject', 'subject', 'block_community');
$this->init_javascript_enhancement('subject', 'smartselect',
array('selectablecategories' => true, 'mode' => 'compact'));
require_once($CFG->libdir . "/licenselib.php");
$licensemanager = new license_manager();
$licences = $licensemanager->get_licenses();
$options = array();
$options['all'] = get_string('any');
foreach ($licences as $license) {
$options[$license->shortname] = get_string($license->shortname, 'license');
}
$mform->addElement('select', 'licence', get_string('licence', 'block_community'), $options);
unset($options);
$mform->addHelpButton('licence', 'licence', 'block_community');
$mform->setDefault('licence', $licence);
$languages = get_string_manager()->get_list_of_languages();
collatorlib::asort($languages);
$languages = array_merge(array('all' => get_string('any')), $languages);
$mform->addElement('select', 'language', get_string('language'), $languages);
$mform->setDefault('language', $language);
$mform->addHelpButton('language', 'language', 'block_community');
$mform->addElement('radio', 'orderby', get_string('orderby', 'block_community'),
get_string('orderbynewest', 'block_community'), 'newest');
$mform->addElement('radio', 'orderby', null,
get_string('orderbyeldest', 'block_community'), 'eldest');
$mform->addElement('radio', 'orderby', null,
get_string('orderbyname', 'block_community'), 'fullname');
$mform->addElement('radio', 'orderby', null,
get_string('orderbypublisher', 'block_community'), 'publisher');
$mform->addElement('radio', 'orderby', null,
get_string('orderbyratingaverage', 'block_community'), 'ratingaverage');
$mform->setDefault('orderby', $orderby);
$mform->setType('orderby', PARAM_ALPHA);
$mform->addElement('text', 'search', get_string('keywords', 'block_community'));
$mform->addHelpButton('search', 'keywords', 'block_community');
$mform->addElement('submit', 'submitbutton', get_string('search', 'block_community'));
}
}
function validation($data, $files) {
global $CFG;
$errors = array();
if (empty($this->_form->_submitValues['huburl'])) {
$errors['huburl'] = get_string('nohubselected', 'hub');
}
return $errors;
}
}
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