/**
* Returns HTML to display a help icon.
*
* Theme developers: DO NOT OVERRIDE! Please override function
* {@link core_renderer::render_help_icon()} instead.
*
* @param string $identifier The keyword that defines a help page
* @param string $component component name
* @param string|bool $linktext true means use $title as link text, string means link text value
* @return string HTML fragment
*/
public function help_icon($identifier, $component = 'moodle', $linktext = '') {
$icon = new help_icon($identifier, $component);
$icon->diag_strings();
if ($linktext === true) {
$icon->linktext = get_string($icon->identifier, $icon->component);
} else if (!empty($linktext)) {
$icon->linktext = $linktext;
}
return $this->render($icon);
}
/**
* Implementation of user image rendering.
*
* @param help_icon $helpicon A help icon instance
* @return string HTML fragment
*/
protected function render_help_icon(help_icon $helpicon)
{
return $this->render_from_template('core/help_icon', $helpicon->export_for_template($this));
}
