Current File : /home/vacivi36/ava/course/format/classes/output/local/content/sectionnavigation.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/>.
/**
* Contains the default section navigation output class.
*
* @package core_courseformat
* @copyright 2020 Ferran Recio <ferran@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core_courseformat\output\local\content;
use context_course;
use core\output\named_templatable;
use core_courseformat\base as course_format;
use core_courseformat\output\local\courseformat_named_templatable;
use renderable;
use stdClass;
/**
* Base class to render a course add section navigation.
*
* @package core_courseformat
* @copyright 2020 Ferran Recio <ferran@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class sectionnavigation implements named_templatable, renderable {
use courseformat_named_templatable;
/** @var course_format the course format class */
protected $format;
/** @var int the course displayed section */
protected $sectionno;
/** @var stdClass the calculated data to prevent calculations when rendered several times */
private $data = null;
/**
* Constructor.
*
* @param course_format $format the course format
* @param int $sectionno the section number
*/
public function __construct(course_format $format, int $sectionno) {
$this->format = $format;
$this->sectionno = $sectionno;
}
/**
* Export this data so it can be used as the context for a mustache template.
*
* @param renderer_base $output typically, the renderer that's calling this function
* @return stdClass data context for a mustache template
*/
public function export_for_template(\renderer_base $output): stdClass {
global $USER;
if ($this->data !== null) {
return $this->data;
}
$format = $this->format;
$course = $format->get_course();
$context = context_course::instance($course->id);
$modinfo = $this->format->get_modinfo();
$sections = $modinfo->get_section_info_all();
// FIXME: This is really evil and should by using the navigation API.
$canviewhidden = has_capability('moodle/course:viewhiddensections', $context, $USER);
$data = (object)[
'previousurl' => '',
'nexturl' => '',
'larrow' => $output->larrow(),
'rarrow' => $output->rarrow(),
'currentsection' => $this->sectionno,
];
$back = $this->sectionno - 1;
while ($back > 0 and empty($data->previousurl)) {
if ($canviewhidden || $sections[$back]->uservisible) {
if (!$sections[$back]->visible) {
$data->previoushidden = true;
}
$data->previousname = get_section_name($course, $sections[$back]);
$data->previousurl = course_get_url($course, $back);
$data->hasprevious = true;
}
$back--;
}
$forward = $this->sectionno + 1;
$numsections = course_get_format($course)->get_last_section_number();
while ($forward <= $numsections and empty($data->nexturl)) {
if ($canviewhidden || $sections[$forward]->uservisible) {
if (!$sections[$forward]->visible) {
$data->nexthidden = true;
}
$data->nextname = get_section_name($course, $sections[$forward]);
$data->nexturl = course_get_url($course, $forward);
$data->hasnext = true;
}
$forward++;
}
$this->data = $data;
return $data;
}
}
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