public function getMarkup()
{
$parent = $this->getParent();
if ($parent == null) {
throw new \RuntimeException('Unable to locate parent for header container');
}
$headerMarkup = $parent->getMarkup()->getChildByName('head');
if ($headerMarkup != null) {
return $headerMarkup;
}
$headerMarkup = MarkupUtils::findPiconTag('head', $parent->getMarkup());
return $headerMarkup;
}
public function getRootTag(MarkupElement $markup)
{
return MarkupUtils::findPiconTag('border', $markup);
}
private function getChildTag($markup)
{
$child = MarkupUtils::findPiconTag('child', $markup);
if ($child == null) {
return null;
}
$existingExtension = MarkupUtils::findPiconTag('extend', $child);
if ($existingExtension == null) {
return $child;
} else {
return $this->getChildTag($existingExtension);
}
}
