lib/form/questioncategory.php

   1 <?php
   2 /**
   3  * A moodle form field type for question categories.
   4  *
   5  * @copyright &copy; 2006 The Open University
   6  * @author T.J.Hunt@open.ac.uk
   7  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   8  * @package moodleforms
   9  *//** */
  10
  11 global $CFG;
  12 require_once("$CFG->libdir/form/select.php");
  13
  14 /**
  15  * HTML class for a drop down element to select a question category.
  16  * @access public
  17  */
  18 class MoodleQuickForm_questioncategory extends MoodleQuickForm_select {
  19
  20     /**
  21      * Constructor
  22      *
  23      * @param string $elementName Select name attribute
  24      * @param mixed $elementLabel Label(s) for the select
  25      * @param mixed $attributes Either a typical HTML attribute string or an associative array
  26      * @param array $options additional options. Recognised options are courseid, published and
  27      * only_editable, corresponding to the arguments of question_category_options from moodlelib.php.
  28      * @access public
  29      * @return void
  30      */
  31     function MoodleQuickForm_questioncategory($elementName = null,
  32             $elementLabel = null, $attributes = null, $options = null) {
  33         HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes, null);
  34
  35         global $COURSE;
  36         $this->_type = 'questioncategory';
  37         if (!empty($options['courseid'])) {
  38             $this->_courseid = $options['courseid'];
  39         } else {
  40             $this->_courseid = $COURSE->id;
  41         }
  42         if (!empty($options['published'])) {
  43             $this->_published = $options['published'];
  44         } else {
  45             $this->_published = false;
  46         }
  47         if (!empty($options['only_editable'])) {
  48             $this->_only_editable = $options['only_editable'];
  49         } else {
  50             $this->_only_editable = false;
  51         }
  52     }
  53
  54     /**
  55      * Called by HTML_QuickForm whenever form event is made on this element
  56      *
  57      * @param string $event Name of event
  58      * @param mixed $arg event arguments
  59      * @param object $caller calling object
  60      * @access public
  61      * @return mixed
  62      */
  63     function onQuickFormEvent($event, $arg, &$caller) {
  64         switch ($event) {
  65             case 'createElement':
  66                 $this->load(question_category_options($this->_courseid, $this->_published, $this->_only_editable));
  67             break;
  68         }
  69         return parent::onQuickFormEvent($event, $arg, $caller);
  70     }
  71 }
  72 ?>