course/editcategory_form.php

   1 <?php
   2 if (!defined('MOODLE_INTERNAL')) {
   3     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
   4 }
   5
   6 require_once ($CFG->dirroot.'/course/moodleform_mod.php');
   7 class editcategory_form extends moodleform {
   8
   9     // form definition
  10     function definition() {
  11         global $CFG, $DB;
  12         $mform =& $this->_form;
  13         $category = $this->_customdata['category'];
  14         $editoroptions = $this->_customdata['editoroptions'];
  15
  16         // get list of categories to use as parents, with site as the first one
  17         $options = array();
  18         if (has_capability('moodle/category:manage', get_system_context()) || $category->parent == 0) {
  19             $options[0] = get_string('top');
  20         }
  21         $parents = array();
  22         if ($category->id) {
  23             // Editing an existing category.
  24             make_categories_list($options, $parents, 'moodle/category:manage', $category->id);
  25             if (empty($options[$category->parent])) {
  26                 $options[$category->parent] = $DB->get_field('course_categories', 'name', array('id'=>$category->parent));
  27             }
  28             $strsubmit = get_string('savechanges');
  29         } else {
  30             // Making a new category
  31             make_categories_list($options, $parents, 'moodle/category:manage');
  32             $strsubmit = get_string('createcategory');
  33         }
  34
  35         $mform->addElement('select', 'parent', get_string('parentcategory'), $options);
  36         $mform->addElement('text', 'name', get_string('categoryname'), array('size'=>'30'));
  37         $mform->addRule('name', get_string('required'), 'required', null);
  38         $mform->addElement('text', 'idnumber', get_string('idnumbercoursecategory'),'maxlength="100"  size="10"');
  39         $mform->addHelpButton('idnumber', 'idnumbercoursecategory');
  40         $mform->addElement('editor', 'description_editor', get_string('description'), null, $editoroptions);
  41         $mform->setType('description_editor', PARAM_RAW);
  42         if (!empty($CFG->allowcategorythemes)) {
  43             $themes = array(''=>get_string('forceno'));
  44             $allthemes = get_list_of_themes();
  45             foreach ($allthemes as $key=>$theme) {
  46                 if (empty($theme->hidefromselector)) {
  47                     $themes[$key] = get_string('pluginname', 'theme_'.$theme->name);
  48                 }
  49             }
  50             $mform->addElement('select', 'theme', get_string('forcetheme'), $themes);
  51         }
  52
  53         $mform->addElement('hidden', 'id', 0);
  54         $mform->setType('id', PARAM_INT);
  55         $mform->setDefault('id', $category->id);
  56
  57         $this->add_action_buttons(true, $strsubmit);
  58     }
  59
  60     function validation($data, $files) {
  61         global $DB;
  62         $errors = parent::validation($data, $files);
  63         if (!empty($data['idnumber'])) {
  64             if ($existing = $DB->get_record('course_categories', array('idnumber' => $data['idnumber']))) {
  65                 if (!$data['id'] || $existing->id != $data['id']) {
  66                     $errors['idnumber']= get_string('idnumbertaken');
  67                 }
  68             }
  69         }
  70
  71         return $errors;
  72     }
  73 }
  74