index.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/>.

/**
 * This page lists all the instances of etherpadlite in a particular course.
 *
 * @package    mod_etherpadlite
 *
 * @author     Timo Welde <tjwelde@gmail.com>
 * @copyright  2012 Humboldt-Universität zu Berlin <moodle-support@cms.hu-berlin.de>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once(dirname(__DIR__, 2) . '/config.php');
require_once(__DIR__ . '/lib.php');

global $OUTPUT, $PAGE;

$id = required_param('id', PARAM_INT); // The course id.

$PAGE->set_url('/mod/etherpadlite/index.php', ['id' => $id]);

if (!$course = $DB->get_record('course', ['id' => $id])) {
    throw new \moodle_exception('invalidcourseid');
}

require_course_login($course);

// Get all required stringsetherpadlite.

$stretherpadlites = get_string('modulenameplural', 'etherpadlite');
$stretherpadlite  = get_string('modulename', 'etherpadlite');

// Get all the appropriate data.

if (!$etherpadlites = get_all_instances_in_course('etherpadlite', $course)) {
    notice('There are no instances of etherpadlite', "../../course/view.php?id=$course->id");
    die;
}

// Print the list of instances (your module will probably extend this).

$timenow    = time();
$strname    = get_string('name');
$strsummary = get_string('summary');
$strweek    = get_string('week');
$strtopic   = get_string('topic');

$table = new html_table();

if ($course->format == 'weeks') {
    $table->head  = [$strweek, $strname, $strsummary];
    $table->align = ['center', 'left', 'left'];
} else if ($course->format == 'topics') {
    $table->head  = [$strtopic, $strname, $strsummary];
    $table->align = ['center', 'left', 'left'];
} else {
    $table->head  = [$strname, $strsummary];
    $table->align = ['left', 'left', 'left'];
}

foreach ($etherpadlites as $etherpadlite) {
    if (!$etherpadlite->visible) {
        // Show dimmed if the mod is hidden.
        $class = 'dimmed';
    } else {
        // Show normal if the mod is visible.
        $class = '';
    }
    $linkdata = (object) [
        'class' => $class,
        'url'   => new \moodle_url('/mod/etherpadlite/view.php', ['id' => $etherpadlite->coursemodule]),
        'text'  => format_string($etherpadlite->name),
    ];
    $link = $OUTPUT->render_from_template('mod_etherpadlite/instance_link', $linkdata);

    if ($course->format == 'weeks' || $course->format == 'topics') {
        $table->data[] = [$etherpadlite->section, $link, format_text($etherpadlite->intro, FORMAT_MOODLE, 'para = false')];
    } else {
        $table->data[] = [$link, format_text($etherpadlite->intro, FORMAT_MOODLE, 'para = false')];
    }
}

// Output the page.
$PAGE->navbar->add($stretherpadlites);
$PAGE->set_title("$course->shortname: $stretherpadlites");
$PAGE->set_heading($course->fullname);

echo $OUTPUT->header();
echo $OUTPUT->heading($stretherpadlites, 2);

echo html_writer::table($table);

echo $OUTPUT->footer($course);