public function getLegend()
{
$legend = parent::getLegend();
$element = $this->getElement();
$view = $element->getView();
$buttons = $this->getLegendButtons();
if (!is_null($buttons) && !is_array($buttons)) {
$buttons = array($buttons);
}
$markup = '';
if (!is_null($buttons) && count($buttons) >= 1) {
$markup .= '<span class="button-group">';
foreach ($buttons as $button) {
$button = $element->getElement($button);
if (!is_null($button)) {
$markup .= $this->renderButton($button);
}
}
$markup .= '</span>';
}
return $legend . $markup;
}
