course/editsection_form.php

   1 <?php
   2
   3 if (!defined('MOODLE_INTERNAL')) {
   4     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
   5 }
   6
   7 require_once($CFG->libdir.'/formslib.php');
   8 require_once($CFG->libdir.'/filelib.php');
   9 require_once($CFG->libdir.'/completionlib.php');
  10 require_once($CFG->libdir.'/gradelib.php');
  11
  12 /**
  13  * Default form for editing course section
  14  *
  15  * Course format plugins may specify different editing form to use
  16  */
  17 class editsection_form extends moodleform {
  18
  19     function definition() {
  20
  21         $mform  = $this->_form;
  22         $course = $this->_customdata['course'];
  23
  24         $mform->addElement('header', 'generalhdr', get_string('general'));
  25
  26         $elementgroup = array();
  27         $elementgroup[] = $mform->createElement('text', 'name', '', array('size' => '30', 'maxlength' => '255'));
  28
  29         // Get default section name.
  30         $defaultsectionname = $this->_customdata['defaultsectionname'];
  31         if ($defaultsectionname) {
  32             $defaultsectionname = ' [' . $defaultsectionname . ']';
  33         }
  34
  35         $elementgroup[] = $mform->createElement('checkbox', 'usedefaultname', '',
  36                                                 get_string('sectionusedefaultname') . $defaultsectionname);
  37
  38         $mform->addGroup($elementgroup, 'name_group', get_string('sectionname'), ' ', false);
  39         $mform->addGroupRule('name_group', array('name' => array(array(get_string('maximumchars', '', 255), 'maxlength', 255))));
  40
  41         // Add rule for name_group to make sure that the section name is not blank if 'Use default section name'
  42         // checkbox is unchecked.
  43         $mform->addRule('name_group', get_string('required'), 'required', null, 'client');
  44
  45         $mform->setDefault('usedefaultname', true);
  46         $mform->setType('name', PARAM_TEXT);
  47         $mform->disabledIf('name','usedefaultname','checked');
  48
  49         /// Prepare course and the editor
  50
  51         $mform->addElement('editor', 'summary_editor', get_string('summary'), null, $this->_customdata['editoroptions']);
  52         $mform->addHelpButton('summary_editor', 'summary');
  53         $mform->setType('summary_editor', PARAM_RAW);
  54
  55         $mform->addElement('hidden', 'id');
  56         $mform->setType('id', PARAM_INT);
  57
  58         // additional fields that course format has defined
  59         $courseformat = course_get_format($course);
  60         $formatoptions = $courseformat->section_format_options(true);
  61         if (!empty($formatoptions)) {
  62             $elements = $courseformat->create_edit_form_elements($mform, true);
  63         }
  64
  65         $mform->_registerCancelButton('cancel');
  66     }
  67
  68     public function definition_after_data() {
  69         global $CFG, $DB;
  70
  71         $mform  = $this->_form;
  72         $course = $this->_customdata['course'];
  73         $context = context_course::instance($course->id);
  74
  75         if (!empty($CFG->enableavailability)) {
  76             $mform->addElement('header', 'availabilityconditions',
  77                     get_string('restrictaccess', 'availability'));
  78             $mform->setExpanded('availabilityconditions', false);
  79
  80             // Availability field. This is just a textarea; the user interface
  81             // interaction is all implemented in JavaScript. The field is named
  82             // availabilityconditionsjson for consistency with moodleform_mod.
  83             $mform->addElement('textarea', 'availabilityconditionsjson',
  84                     get_string('accessrestrictions', 'availability'));
  85             \core_availability\frontend::include_all_javascript($course, null,
  86                     $this->_customdata['cs']);
  87         }
  88
  89         $this->add_action_buttons();
  90     }
  91
  92     /**
  93      * Load in existing data as form defaults
  94      *
  95      * @param stdClass|array $default_values object or array of default values
  96      */
  97     function set_data($default_values) {
  98         if (!is_object($default_values)) {
  99             // we need object for file_prepare_standard_editor
 100             $default_values = (object)$default_values;
 101         }
 102         $editoroptions = $this->_customdata['editoroptions'];
 103         $default_values = file_prepare_standard_editor($default_values, 'summary', $editoroptions,
 104                 $editoroptions['context'], 'course', 'section', $default_values->id);
 105         $default_values->usedefaultname = (is_null($default_values->name));
 106         parent::set_data($default_values);
 107     }
 108
 109     /**
 110      * Return submitted data if properly submitted or returns NULL if validation fails or
 111      * if there is no submitted data.
 112      *
 113      * @return object submitted data; NULL if not valid or not submitted or cancelled
 114      */
 115     function get_data() {
 116         $data = parent::get_data();
 117         if ($data !== null) {
 118             $editoroptions = $this->_customdata['editoroptions'];
 119             if (!empty($data->usedefaultname)) {
 120                 $data->name = null;
 121             }
 122             $data = file_postupdate_standard_editor($data, 'summary', $editoroptions,
 123                     $editoroptions['context'], 'course', 'section', $data->id);
 124             $course = $this->_customdata['course'];
 125             foreach (course_get_format($course)->section_format_options() as $option => $unused) {
 126                 // fix issue with unset checkboxes not being returned at all
 127                 if (!isset($data->$option)) {
 128                     $data->$option = null;
 129                 }
 130             }
 131         }
 132         return $data;
 133     }
 134
 135     public function validation($data, $files) {
 136         global $CFG;
 137         $errors = array();
 138
 139         // Availability: Check availability field does not have errors.
 140         if (!empty($CFG->enableavailability)) {
 141             \core_availability\frontend::report_validation_errors($data, $errors);
 142         }
 143
 144         // Validate section name if 'Use default section name' is unchecked.
 145         if (empty($data['usedefaultname'])) {
 146             // Make sure the trimmed value of section name is not empty.
 147             $trimmedname = trim($data['name']);
 148             if (empty($trimmedname)) {
 149                 $errors['name_group'] = get_string('required');
 150             }
 151         }
 152
 153         return $errors;
 154     }
 155 }