}
}
+ /**
+ * Add a help button to element,
+ * only one button per element is allowed.
+ *
+ * @param string $elementname name of the element to add the item to
+ * @param string $identifier
+ * @param string $title
+ * @param string $component
+ * @param string $linktext
+ * @return void
+ */
+ function addHelpButton($elementname, $identifier, $title, $component = 'moodle', $linktext = '') {
+ if (array_key_exists($elementname, $this->_elementIndex)) {
+ $element->_helpbutton = $OUTPUT->help_icon($identifier, $title, $component, $linktext);
+ } else if (!$suppresscheck) {
+ debugging(get_string('nonexistentformelements', 'form', $elementname));
+ }
+ }
+
/**
* Set constant value not overriden by _POST or _GET
* note: this does not work for complex names with [] :-(
