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
  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 = $section->section;
  39
  40 require_login($course);
  41 $context = context_course::instance($course->id);
  42 require_capability('moodle/course:update', $context);
  43
  44 // Get section_info object with all availability options.
  45 $sectioninfo = get_fast_modinfo($course)->get_section_info($sectionnum);
  46
  47 // Deleting the section.
  48 if ($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) {
  53             course_delete_section($course, $sectioninfo, true);
  54             $courseurl = course_get_url($course, 0, array('sr' => $sectionreturn));
  55             redirect($courseurl);
  56         } else {
  57             if (get_string_manager()->string_exists('deletesection', 'format_' . $course->format)) {
  58                 $strdelete = get_string('deletesection', 'format_' . $course->format);
  59             } else {
  60                 $strdelete = get_string('deletesection');
  61             }
  62             $PAGE->navbar->add($strdelete);
  63             $PAGE->set_title($strdelete);
  64             $PAGE->set_heading($course->fullname);
  65             echo $OUTPUT->header();
  66             echo $OUTPUT->box_start('noticebox');
  67             $optionsyes = array('id' => $id, 'confirm' => 1, 'delete' => 1, 'sesskey' => sesskey());
  68             $deleteurl = new moodle_url('/course/editsection.php', $optionsyes);
  69             $formcontinue = new single_button($deleteurl, get_string('continue'));
  70             $formcancel = new single_button($cancelurl, get_string('cancel'), 'get');
  71             echo $OUTPUT->confirm(get_string('confirmdeletesection', '',
  72                 get_section_name($course, $sectioninfo)), $formcontinue, $formcancel);
  73             echo $OUTPUT->box_end();
  74             echo $OUTPUT->footer();
  75             exit;
  76         }
  77     } else {
  78         notice(get_string('nopermissions', 'error', get_string('deletesection')), $cancelurl);
  79     }
  80 }
  81
  82 $editoroptions = array('context'=>$context ,'maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>false, 'noclean'=>true);
  83 $mform = course_get_format($course->id)->editsection_form($PAGE->url,
  84         array('cs' => $sectioninfo, 'editoroptions' => $editoroptions));
  85 // set current value, make an editable copy of section_info object
  86 // this will retrieve all format-specific options as well
  87 $initialdata = convert_to_array($sectioninfo);
  88 if (!empty($CFG->enableavailability)) {
  89     $initialdata['availabilityconditionsjson'] = $sectioninfo->availability;
  90 }
  91 $mform->set_data($initialdata);
  92
  93 if ($mform->is_cancelled()){
  94     // Form cancelled, return to course.
  95     redirect(course_get_url($course, $section, array('sr' => $sectionreturn)));
  96 } else if ($data = $mform->get_data()) {
  97     // Data submitted and validated, update and return to course.
  98
  99     // For consistency, we set the availability field to 'null' if it is empty.
 100     if (!empty($CFG->enableavailability)) {
 101         // Renamed field.
 102         $data->availability = $data->availabilityconditionsjson;
 103         unset($data->availabilityconditionsjson);
 104         if ($data->availability === '') {
 105             $data->availability = null;
 106         }
 107     }
 108     $DB->update_record('course_sections', $data);
 109     rebuild_course_cache($course->id, true);
 110     if (isset($data->section)) {
 111         // Usually edit form does not change relative section number but just in case.
 112         $sectionnum = $data->section;
 113     }
 114     course_get_format($course->id)->update_section_format_options($data);
 115
 116     // Set section info, as this might not be present in form_data.
 117     if (!isset($data->section))  {
 118         $data->section = $sectionnum;
 119     }
 120     // Trigger an event for course section update.
 121     $event = \core\event\course_section_updated::create(
 122             array(
 123                 'objectid' => $data->id,
 124                 'courseid' => $course->id,
 125                 'context' => $context,
 126                 'other' => array('sectionnum' => $data->section)
 127             )
 128         );
 129     $event->trigger();
 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);
 143 echo $OUTPUT->header();
 144
 145 echo $OUTPUT->heading($strsummaryof);
 146
 147 $mform->display();
 148 echo $OUTPUT->footer();