/**
* @inheritDoc
*/
protected function setParent(FluentHtmlElement $parent = null)
{
if (is_null($parent) or $parent->getHtmlElementName() == 'fieldset') {
parent::setParent($parent);
} else {
throw new \Exception('<legend> should only be inserted into <fieldset>, not <' . $parent->getHtmlElementName() . '>');
}
}
/**
* Render element as html string.
*
* @return string containing rendered html of this element and all its descendants
*/
public function branchToHtml()
{
// Description elements should always print with an id for referencing
$this->getId();
return parent::branchToHtml();
}
/**
* @param string|Htmlable|array|Arrayable|null $html_contents
*/
public function __construct($html_contents = null)
{
parent::__construct($html_contents);
$this->withHtmlElementName('label');
}
/**
* Set the label element of the block.
* @param AbstractLabel $label_element
* @return $this
*/
protected function withLabelElement(AbstractLabel $label_element)
{
$label_element->withClass($this->form_block_label_class);
$this->label_element = $label_element;
return $this;
}