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<?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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 * This file contains main class for the course format Social
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 *
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 * @since     Moodle 2.0
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 * @package   format_social
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 * @copyright 2009 Sam Hemelryk
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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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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->dirroot. '/course/format/lib.php');
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/**
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 * Main class for the Social course format
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 *
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 * @package    format_social
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 * @copyright  2012 Marina Glancy
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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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class format_social extends core_courseformat\base {
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    /**
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     * The URL to use for the specified course
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     *
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     * @param int|stdClass $section Section object from database or just field course_sections.section
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     *     if null the course view page is returned
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     * @param array $options options for view URL. At the moment core uses:
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     *     'navigation' (bool) ignored by this format
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     *     'sr' (int) ignored by this format
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     * @return null|moodle_url
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     */
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    public function get_view_url($section, $options = array()) {
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        return new moodle_url('/course/view.php', ['id' => $this->courseid]);
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    }
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    /**
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     * Loads all of the course sections into the navigation
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     *
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     * @param global_navigation $navigation
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     * @param navigation_node $node The course node within the navigation
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     */
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    public function extend_course_navigation($navigation, navigation_node $node) {
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        // Social course format does not extend navigation, it uses social_activities block instead
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    }
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    /**
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     * Returns the list of blocks to be automatically added for the newly created course
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     *
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     * @return array of default blocks, must contain two keys BLOCK_POS_LEFT and BLOCK_POS_RIGHT
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     *     each of values is an array of block names (for left and right side columns)
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     */
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    public function get_default_blocks() {
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        return array(
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            BLOCK_POS_LEFT => array(),
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            BLOCK_POS_RIGHT => array('social_activities')
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        );
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    }
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    /**
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     * Definitions of the additional options that this course format uses for course
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     *
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     * social format uses the following options:
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     * - numdiscussions
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     *
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     * @param bool $foreditform
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     * @return array of options
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     */
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    public function course_format_options($foreditform = false) {
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        static $courseformatoptions = false;
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        if ($courseformatoptions === false) {
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            $courseformatoptions = array(
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                'numdiscussions' => array(
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                    'default' => 10,
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                    'type' => PARAM_INT,
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                )
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            );
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        }
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        if ($foreditform && !isset($courseformatoptions['numdiscussions']['label'])) {
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            $courseformatoptionsedit = array(
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                'numdiscussions' => array(
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                    'label' => new lang_string('numberdiscussions', 'format_social'),
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                    'help' => 'numberdiscussions',
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                    'help_component' => 'format_social',
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                    'element_type' => 'text',
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                )
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            );
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            $courseformatoptions = array_merge_recursive($courseformatoptions, $courseformatoptionsedit);
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        }
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        return $courseformatoptions;
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    }
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    /**
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     * Returns whether this course format allows the activity to
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     * have "triple visibility state" - visible always, hidden on course page but available, hidden.
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     *
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     * @param stdClass|cm_info $cm course module (may be null if we are displaying a form for adding a module)
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     * @param stdClass|section_info $section section where this module is located or will be added to
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     * @return bool
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     */
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    public function allow_stealth_module_visibility($cm, $section) {
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        return true;
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    }
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    /**
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     * Return the plugin configs for external functions.
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     *
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     * @return array the list of configuration settings
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     * @since Moodle 3.5
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     */
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    public function get_config_for_external() {
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        // Return everything (nothing to hide).
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        return $this->get_format_options();
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    }
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    /**
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     * Returns the information about the ajax support in the given source format.
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     *
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     * The returned object's property (boolean)capable indicates that
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     * the course format supports Moodle course ajax features.
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     *
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     * @return stdClass
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     */
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    public function supports_ajax() {
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        $ajaxsupport = new stdClass();
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        $ajaxsupport->capable = true;
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        return $ajaxsupport;
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    }
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}