course/editsection.php

   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
  26 require_once("../config.php");
  27 require_once("lib.php");
  28 require_once($CFG->libdir . '/formslib.php');
  29
  30 $id = required_param('id', PARAM_INT);    // course_sections.id
  31 $sectionreturn = optional_param('sr', null, PARAM_INT);
  32 $deletesection = optional_param('delete', 0, PARAM_BOOL);
  33 $showonly = optional_param('showonly', 0, PARAM_TAGLIST);
  34
  35 $returnparams = [];
  36 $params = ['id' => $id];
  37 if (!is_null($sectionreturn)) {
  38     $params['sr'] = $sectionreturn;
  39     $returnparams['sr'] = $sectionreturn;
  40 }
  41 if (!empty($showonly)) {
  42     $params['showonly'] = $showonly;
  43 }
  44 $PAGE->set_url('/course/editsection.php', $params);
  45
  46 $section = $DB->get_record('course_sections', array('id' => $id), '*', MUST_EXIST);
  47 $course = $DB->get_record('course', array('id' => $section->course), '*', MUST_EXIST);
  48 $sectionnum = $section->section;
  49
  50 require_login($course);
  51 $context = context_course::instance($course->id);
  52 require_capability('moodle/course:update', $context);
  53
  54 // Get section_info object with all availability options.
  55 $sectioninfo = get_fast_modinfo($course)->get_section_info($sectionnum);
  56
  57 // Deleting the section.
  58 if ($deletesection) {
  59     $cancelurl = course_get_url($course, $sectioninfo, $returnparams);
  60     if (course_can_delete_section($course, $sectioninfo)) {
  61         $confirm = optional_param('confirm', false, PARAM_BOOL) && confirm_sesskey();
  62         if (!$confirm && optional_param('sesskey', null, PARAM_RAW) !== null &&
  63                 empty($sectioninfo->summary) && empty($sectioninfo->sequence) && confirm_sesskey()) {
  64             // Do not ask for confirmation if section is empty and sesskey is already provided.
  65             $confirm = true;
  66         }
  67         if ($confirm) {
  68             course_delete_section($course, $sectioninfo, true, true);
  69             $courseurl = course_get_url($course, $sectioninfo->section - 1, $returnparams);
  70             redirect($courseurl);
  71         } else {
  72             if (get_string_manager()->string_exists('deletesection', 'format_' . $course->format)) {
  73                 $strdelete = get_string('deletesection', 'format_' . $course->format);
  74             } else {
  75                 $strdelete = get_string('deletesection');
  76             }
  77             $PAGE->navbar->add($strdelete);
  78             $PAGE->set_title($strdelete);
  79             $PAGE->set_heading($course->fullname);
  80             echo $OUTPUT->header();
  81             echo $OUTPUT->box_start('noticebox');
  82             $optionsyes = array('id' => $id, 'confirm' => 1, 'delete' => 1, 'sesskey' => sesskey());
  83             $deleteurl = new moodle_url('/course/editsection.php', $optionsyes);
  84             $formcontinue = new single_button($deleteurl, get_string('delete'));
  85             $formcancel = new single_button($cancelurl, get_string('cancel'), 'get');
  86             echo $OUTPUT->confirm(get_string('confirmdeletesection', '',
  87                 get_section_name($course, $sectioninfo)), $formcontinue, $formcancel);
  88             echo $OUTPUT->box_end();
  89             echo $OUTPUT->footer();
  90             exit;
  91         }
  92     } else {
  93         notice(get_string('nopermissions', 'error', get_string('deletesection')), $cancelurl);
  94     }
  95 }
  96
  97 $editoroptions = array(
  98     'context'   => $context,
  99     'maxfiles'  => EDITOR_UNLIMITED_FILES,
 100     'maxbytes'  => $CFG->maxbytes,
 101     'trusttext' => false,
 102     'noclean'   => true,
 103     'subdirs'   => true
 104 );
 105
 106 $courseformat = course_get_format($course);
 107 $defaultsectionname = $courseformat->get_default_section_name($section);
 108
 109 $customdata = [
 110     'cs' => $sectioninfo,
 111     'editoroptions' => $editoroptions,
 112     'defaultsectionname' => $defaultsectionname,
 113     'showonly' => $showonly,
 114 ];
 115
 116 $mform = $courseformat->editsection_form($PAGE->url, $customdata);
 117
 118 // set current value, make an editable copy of section_info object
 119 // this will retrieve all format-specific options as well
 120 $initialdata = convert_to_array($sectioninfo);
 121 if (!empty($CFG->enableavailability)) {
 122     $initialdata['availabilityconditionsjson'] = $sectioninfo->availability;
 123 }
 124 $mform->set_data($initialdata);
 125 if (!empty($showonly)) {
 126     $mform->filter_shown_headers(explode(',', $showonly));
 127 }
 128
 129 if ($mform->is_cancelled()){
 130     // Form cancelled, return to course.
 131     redirect(course_get_url($course, $section, $returnparams));
 132 } else if ($data = $mform->get_data()) {
 133     // Data submitted and validated, update and return to course.
 134
 135     // For consistency, we set the availability field to 'null' if it is empty.
 136     if (!empty($CFG->enableavailability)) {
 137         // Renamed field.
 138         $data->availability = $data->availabilityconditionsjson;
 139         unset($data->availabilityconditionsjson);
 140         if ($data->availability === '') {
 141             $data->availability = null;
 142         }
 143     }
 144     course_update_section($course, $section, $data);
 145
 146     $PAGE->navigation->clear_cache();
 147     redirect(course_get_url($course, $section, $returnparams));
 148 }
 149
 150 // The edit form is displayed for the first time or if there was validation error on the previous step.
 151 $sectionname = get_section_name($course, $sectionnum);
 152 $stredit = get_string('editsectiontitle', '', $sectionname);
 153 $strsummaryof = get_string('editsectionsettings');
 154
 155 $PAGE->set_title($stredit . moodle_page::TITLE_SEPARATOR . $course->shortname);
 156 $PAGE->set_heading($course->fullname);
 157 $PAGE->navbar->add($stredit);
 158 echo $OUTPUT->header();
 159
 160 echo $OUTPUT->heading($strsummaryof);
 161
 162 $mform->display();
 163 echo $OUTPUT->footer();