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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/>.       //
//                                                                       //
///////////////////////////////////////////////////////////////////////////

/**
 * Form for community search
 *
 * @package    block_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
 */

require_once($CFG->libdir . '/formslib.php');

class community_hub_search_form extends moodleform {

public function definition() {
        global $CFG;
        $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 {
            $downloadable = 1;
        }
        if (isset($this->_customdata['orderby'])) {
            $orderby = $this->_customdata['orderby'];
        } else {
            $orderby = 'newest';
        }

$mform->addElement('header', 'site', get_string('search', 'block_community'));

//add the course id (of the context)
        $mform->addElement('hidden', 'courseid', $this->_customdata['courseid']);
        $mform->setType('courseid', PARAM_INT);
        $mform->addElement('hidden', 'executesearch', 1);
        $mform->setType('executesearch', PARAM_INT);

// 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');

$mform->setDefault('downloadable', $downloadable);
        } else {
            $mform->addElement('hidden', 'downloadable', 0);
        }
        $mform->setType('downloadable', PARAM_INT);

$options = \core\hub\publication::audience_options(true);
        $mform->addElement('select', 'audience', get_string('audience', 'block_community'), $options);
        $mform->setDefault('audience', $audience);
        unset($options);
        $mform->addHelpButton('audience', 'audience', 'block_community');

$options = \core\hub\publication::educational_level_options(true);
        $mform->addElement('select', 'educationallevel',
                get_string('educationallevel', 'block_community'), $options);
        $mform->setDefault('educationallevel', $educationallevel);
        unset($options);
        $mform->addHelpButton('educationallevel', 'educationallevel', 'block_community');

$options = \core\hub\publication::get_sorted_subjects();
        $mform->addElement('searchableselector', 'subject', get_string('subject', 'block_community'),
                $options, array('id' => 'communitysubject'));
        $mform->setDefault('subject', $subject);
        unset($options);
        $mform->addHelpButton('subject', 'subject', 'block_community');

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);

$languages = get_string_manager()->get_list_of_languages();
        core_collator::asort($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('select', 'orderby', get_string('orderby', 'block_community'),
            array('newest' => get_string('orderbynewest', 'block_community'),
                'eldest' => get_string('orderbyeldest', 'block_community'),
                'fullname' => get_string('orderbyname', 'block_community'),
                'publisher' => get_string('orderbypublisher', 'block_community'),
                'ratingaverage' => get_string('orderbyratingaverage', 'block_community')));

$mform->setDefault('orderby', $orderby);
        $mform->addHelpButton('orderby', 'orderby', 'block_community');
        $mform->setType('orderby', PARAM_ALPHA);

$mform->setAdvanced('audience');
        $mform->setAdvanced('educationallevel');
        $mform->setAdvanced('subject');
        $mform->setAdvanced('licence');
        $mform->setAdvanced('language');
        $mform->setAdvanced('orderby');

$mform->addElement('text', 'search', get_string('keywords', 'block_community'),
            array('size' => 30));
        $mform->addHelpButton('search', 'keywords', 'block_community');
        $mform->setType('search', PARAM_NOTAGS);

$mform->addElement('submit', 'submitbutton', get_string('search', 'block_community'));

}