protected function onComponentTagBody(ComponentTag $tag)
{
$this->getResponse()->write('<head>');
parent::onComponentTagBody($tag);
$page = $this->getPage();
$headerResponse = new HeaderResponse($this->getResponse());
PiconApplication::get()->getComponentRenderHeadListener()->onHeadRendering($this, $headerResponse);
$page->renderHead($headerResponse);
$self = $this;
$callback = function (Component &$component) use($headerResponse, $self) {
$component->renderHeadContainer($self, $headerResponse);
return Component::VISITOR_CONTINUE_TRAVERSAL;
};
$page->visitChildren(Component::getIdentifier(), $callback);
$this->getResponse()->write('</head>');
}
