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   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($CFG->libdir . '/formslib.php');
  29  require_once($CFG->libdir . '/conditionlib.php');
  30  
  31  $id = required_param('id', PARAM_INT);    // course_sections.id
  32  $sectionreturn = optional_param('sr', 0, PARAM_INT);
  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  $editoroptions = array('context'=>$context ,'maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>false, 'noclean'=>true);
  48  $mform = course_get_format($course->id)->editsection_form($PAGE->url,
  49          array('cs' => $sectioninfo, 'editoroptions' => $editoroptions));
  50  // set current value, make an editable copy of section_info object
  51  // this will retrieve all format-specific options as well
  52  $initialdata = convert_to_array($sectioninfo);
  53  if (!empty($CFG->enableavailability)) {
  54      $initialdata['availabilityconditionsjson'] = $sectioninfo->availability;
  55  }
  56  $mform->set_data($initialdata);
  57  
  58  if ($mform->is_cancelled()){
  59      // Form cancelled, return to course.
  60      redirect(course_get_url($course, $section, array('sr' => $sectionreturn)));
  61  } else if ($data = $mform->get_data()) {
  62      // Data submitted and validated, update and return to course.
  63  
  64      // For consistency, we set the availability field to 'null' if it is empty.
  65      if (!empty($CFG->enableavailability)) {
  66          // Renamed field.
  67          $data->availability = $data->availabilityconditionsjson;
  68          unset($data->availabilityconditionsjson);
  69          if ($data->availability === '') {
  70              $data->availability = null;
  71          }
  72      }
  73      $DB->update_record('course_sections', $data);
  74      rebuild_course_cache($course->id, true);
  75      if (isset($data->section)) {
  76          // Usually edit form does not change relative section number but just in case.
  77          $sectionnum = $data->section;
  78      }
  79      course_get_format($course->id)->update_section_format_options($data);
  80  
  81      // Set section info, as this might not be present in form_data.
  82      if (!isset($data->section))  {
  83          $data->section = $sectionnum;
  84      }
  85      // Trigger an event for course section update.
  86      $event = \core\event\course_section_updated::create(
  87              array(
  88                  'objectid' => $data->id,
  89                  'courseid' => $course->id,
  90                  'context' => $context,
  91                  'other' => array('sectionnum' => $data->section)
  92              )
  93          );
  94      $event->trigger();
  95  
  96      $PAGE->navigation->clear_cache();
  97      redirect(course_get_url($course, $section, array('sr' => $sectionreturn)));
  98  }
  99  
 100  // The edit form is displayed for the first time or if there was validation error on the previous step.
 101  $sectionname  = get_section_name($course, $sectionnum);
 102  $stredit      = get_string('edita', '', " $sectionname");
 103  $strsummaryof = get_string('summaryof', '', " $sectionname");
 104  
 105  $PAGE->set_title($stredit);
 106  $PAGE->set_heading($course->fullname);
 107  $PAGE->navbar->add($stredit);
 108  echo $OUTPUT->header();
 109  
 110  echo $OUTPUT->heading($strsummaryof);
 111  
 112  $mform->display();
 113  echo $OUTPUT->footer();