questioncategory formslib.php form control.

lib/form/questioncategory.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * A moodle form field type for question categories.
+ *
+ * @copyright &copy; 2006 The Open University
+ * @author T.J.Hunt@open.ac.uk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
+ * @package moodleforms
+ *//** */
+
+global $CFG;
+require_once("$CFG->libdir/form/select.php");
+
+/**
+ * HTML class for a drop down element to select a question category.
+ * @access public
+ */
+class MoodleQuickForm_questioncategory extends MoodleQuickForm_select {
+
+    /**
+     * Constructor
+     *
+     * @param string $elementName Select name attribute
+     * @param mixed $elementLabel Label(s) for the select
+     * @param mixed $attributes Either a typical HTML attribute string or an associative array
+     * @param array $options additional options. Recognised options are courseid, published and
+     * only_editable, corresponding to the arguments of question_category_options from moodlelib.php.
+     * @access public
+     * @return void
+     */
+    function MoodleQuickForm_questioncategory($elementName = null, 
+            $elementLabel = null, $attributes = null, $options = null) {
+        HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes, null);
+
+        global $COURSE;
+        $this->_type = 'questioncategory';
+        if (!empty($options['courseid'])) {
+            $this->_courseid = $options['courseid'];
+        } else {
+            $this->_courseid = $COURSE->id;
+        }
+        if (!empty($options['published'])) {
+            $this->_published = $options['published'];
+        } else {
+            $this->_published = false;
+        }
+        if (!empty($options['only_editable'])) {
+            $this->_only_editable = $options['only_editable'];
+        } else {
+            $this->_only_editable = false;
+        }
+    }
+    
+    /**
+     * Called by HTML_QuickForm whenever form event is made on this element
+     *
+     * @param string $event Name of event
+     * @param mixed $arg event arguments
+     * @param object $caller calling object
+     * @access public
+     * @return mixed
+     */
+    function onQuickFormEvent($event, $arg, &$caller) {
+        switch ($event) {
+            case 'createElement':
+                $this->load(question_category_options($this->_courseid, $this->_published, $this->_only_editable));
+            break;
+        }
+        return parent::onQuickFormEvent($event, $arg, $caller);
+    }
+}
+?>

lib/formslib.php

@@ -1473,5 +1473,6 @@ MoodleQuickForm::registerElementType('button', "$CFG->libdir/form/button.php", '
 MoodleQuickForm::registerElementType('choosecoursefile', "$CFG->libdir/form/choosecoursefile.php", 'MoodleQuickForm_choosecoursefile');
 MoodleQuickForm::registerElementType('header', "$CFG->libdir/form/header.php", 'MoodleQuickForm_header');
 MoodleQuickForm::registerElementType('submit', "$CFG->libdir/form/submit.php", 'MoodleQuickForm_submit');
+MoodleQuickForm::registerElementType('questioncategory', "$CFG->libdir/form/questioncategory.php", 'MoodleQuickForm_questioncategory');
 
 ?>