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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  
  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('delete'));
  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  
  84  $courseformat = course_get_format($course);
  85  $defaultsectionname = $courseformat->get_default_section_name($section);
  86  
  87  $customdata = array(
  88      'cs' => $sectioninfo,
  89      'editoroptions' => $editoroptions,
  90      'defaultsectionname' => $defaultsectionname
  91  );
  92  $mform = $courseformat->editsection_form($PAGE->url, $customdata);
  93  
  94  // set current value, make an editable copy of section_info object
  95  // this will retrieve all format-specific options as well
  96  $initialdata = convert_to_array($sectioninfo);
  97  if (!empty($CFG->enableavailability)) {
  98      $initialdata['availabilityconditionsjson'] = $sectioninfo->availability;
  99  }
 100  $mform->set_data($initialdata);
 101  
 102  if ($mform->is_cancelled()){
 103      // Form cancelled, return to course.
 104      redirect(course_get_url($course, $section, array('sr' => $sectionreturn)));
 105  } else if ($data = $mform->get_data()) {
 106      // Data submitted and validated, update and return to course.
 107  
 108      // For consistency, we set the availability field to 'null' if it is empty.
 109      if (!empty($CFG->enableavailability)) {
 110          // Renamed field.
 111          $data->availability = $data->availabilityconditionsjson;
 112          unset($data->availabilityconditionsjson);
 113          if ($data->availability === '') {
 114              $data->availability = null;
 115          }
 116      }
 117      course_update_section($course, $section, $data);
 118  
 119      $PAGE->navigation->clear_cache();
 120      redirect(course_get_url($course, $section, array('sr' => $sectionreturn)));
 121  }
 122  
 123  // The edit form is displayed for the first time or if there was validation error on the previous step.
 124  $sectionname  = get_section_name($course, $sectionnum);
 125  $stredit      = get_string('edita', '', " $sectionname");
 126  $strsummaryof = get_string('summaryof', '', " $sectionname");
 127  
 128  $PAGE->set_title($stredit);
 129  $PAGE->set_heading($course->fullname);
 130  $PAGE->navbar->add($stredit);
 131  echo $OUTPUT->header();
 132  
 133  echo $OUTPUT->heading($strsummaryof);
 134  
 135  $mform->display();
 136  echo $OUTPUT->footer();