| protected renderToggleIcon ( string $action = 'collapse' ) : string | ||
| $action | string | whether 'collapse' or 'expand' |
| Résultat | string | |
protected function renderToggleIcon($action = 'collapse')
{
$icon = $this->_iconPrefix . $this->getToggleIcon($action);
$options = $action == 'expand' ? $this->expandNodeOptions : $this->collapseNodeOptions;
$label = ArrayHelper::remove($options, 'label', '<span class="' . $icon . '"></span>');
return Html::tag('span', $label, ['class' => "kv-node-{$action}"]);
}