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