1<?php
2
3// This file is part of Moodle - http://moodle.org/
4//
5// Moodle is free software: you can redistribute it and/or modify
6// it under the terms of the GNU General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// Moodle is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
17
18/**
19 * Edit the section basic information and availability
20 *
21 * @copyright 1999 Martin Dougiamas  http://dougiamas.com
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 * @package course
24 */
25
26require_once("../config.php");
27require_once("lib.php");
28require_once($CFG->libdir . '/formslib.php');
29
30$id = required_param('id', PARAM_INT);    // course_sections.id
31$sectionreturn = optional_param('sr', 0, PARAM_INT);
32$deletesection = optional_param('delete', 0, PARAM_BOOL);
33
34$PAGE->set_url('/course/editsection.php', array('id'=>$id, 'sr'=> $sectionreturn));
35
36$section = $DB->get_record('course_sections', array('id' => $id), '*', MUST_EXIST);
37$course = $DB->get_record('course', array('id' => $section->course), '*', MUST_EXIST);
38$sectionnum = $section->section;
39
40require_login($course);
41$context = context_course::instance($course->id);
42require_capability('moodle/course:update', $context);
43
44// Get section_info object with all availability options.
45$sectioninfo = get_fast_modinfo($course)->get_section_info($sectionnum);
46
47// Deleting the section.
48if ($deletesection) {
49    $cancelurl = course_get_url($course, $sectioninfo, array('sr' => $sectionreturn));
50    if (course_can_delete_section($course, $sectioninfo)) {
51        $confirm = optional_param('confirm', false, PARAM_BOOL) && confirm_sesskey();
52        if (!$confirm && optional_param('sesskey', null, PARAM_RAW) !== null &&
53                empty($sectioninfo->summary) && empty($sectioninfo->sequence) && confirm_sesskey()) {
54            // Do not ask for confirmation if section is empty and sesskey is already provided.
55            $confirm = true;
56        }
57        if ($confirm) {
58            course_delete_section($course, $sectioninfo, true, true);
59            $courseurl = course_get_url($course, $sectioninfo->section - 1, array('sr' => $sectionreturn));
60            redirect($courseurl);
61        } else {
62            if (get_string_manager()->string_exists('deletesection', 'format_' . $course->format)) {
63                $strdelete = get_string('deletesection', 'format_' . $course->format);
64            } else {
65                $strdelete = get_string('deletesection');
66            }
67            $PAGE->navbar->add($strdelete);
68            $PAGE->set_title($strdelete);
69            $PAGE->set_heading($course->fullname);
70            echo $OUTPUT->header();
71            echo $OUTPUT->box_start('noticebox');
72            $optionsyes = array('id' => $id, 'confirm' => 1, 'delete' => 1, 'sesskey' => sesskey());
73            $deleteurl = new moodle_url('/course/editsection.php', $optionsyes);
74            $formcontinue = new single_button($deleteurl, get_string('delete'));
75            $formcancel = new single_button($cancelurl, get_string('cancel'), 'get');
76            echo $OUTPUT->confirm(get_string('confirmdeletesection', '',
77                get_section_name($course, $sectioninfo)), $formcontinue, $formcancel);
78            echo $OUTPUT->box_end();
79            echo $OUTPUT->footer();
80            exit;
81        }
82    } else {
83        notice(get_string('nopermissions', 'error', get_string('deletesection')), $cancelurl);
84    }
85}
86
87$editoroptions = array(
88    'context'   => $context,
89    'maxfiles'  => EDITOR_UNLIMITED_FILES,
90    'maxbytes'  => $CFG->maxbytes,
91    'trusttext' => false,
92    'noclean'   => true,
93    'subdirs'   => true
94);
95
96$courseformat = course_get_format($course);
97$defaultsectionname = $courseformat->get_default_section_name($section);
98
99$customdata = array(
100    'cs' => $sectioninfo,
101    'editoroptions' => $editoroptions,
102    'defaultsectionname' => $defaultsectionname
103);
104$mform = $courseformat->editsection_form($PAGE->url, $customdata);
105
106// set current value, make an editable copy of section_info object
107// this will retrieve all format-specific options as well
108$initialdata = convert_to_array($sectioninfo);
109if (!empty($CFG->enableavailability)) {
110    $initialdata['availabilityconditionsjson'] = $sectioninfo->availability;
111}
112$mform->set_data($initialdata);
113
114if ($mform->is_cancelled()){
115    // Form cancelled, return to course.
116    redirect(course_get_url($course, $section, array('sr' => $sectionreturn)));
117} else if ($data = $mform->get_data()) {
118    // Data submitted and validated, update and return to course.
119
120    // For consistency, we set the availability field to 'null' if it is empty.
121    if (!empty($CFG->enableavailability)) {
122        // Renamed field.
123        $data->availability = $data->availabilityconditionsjson;
124        unset($data->availabilityconditionsjson);
125        if ($data->availability === '') {
126            $data->availability = null;
127        }
128    }
129    course_update_section($course, $section, $data);
130
131    $PAGE->navigation->clear_cache();
132    redirect(course_get_url($course, $section, array('sr' => $sectionreturn)));
133}
134
135// The edit form is displayed for the first time or if there was validation error on the previous step.
136$sectionname  = get_section_name($course, $sectionnum);
137$stredit      = get_string('edita', '', " $sectionname");
138$strsummaryof = get_string('summaryof', '', " $sectionname");
139
140$PAGE->set_title($stredit);
141$PAGE->set_heading($course->fullname);
142$PAGE->navbar->add($stredit);
143echo $OUTPUT->header();
144
145echo $OUTPUT->heading($strsummaryof);
146
147$mform->display();
148echo $OUTPUT->footer();
149