/**
* Create a MenuItem from a NodeInterface instance.
*
* @param NodeInterface $node
*
* @return MenuItem|null If allowEmptyItems is false and this node has
* neither URL nor route nor a content that has a
* route, returns null.
*/
public function createFromNode(NodeInterface $node)
{
$event = new CreateMenuItemFromNodeEvent($node, $this);
$this->dispatcher->dispatch(Events::CREATE_ITEM_FROM_NODE, $event);
if ($event->isSkipNode()) {
if ($node instanceof Menu) {
// create an empty menu root to avoid the knp menu from failing.
return $this->createItem('');
}
return;
}
$item = $event->getItem() ?: $this->createItem($node->getName(), $node->getOptions());
if (empty($item)) {
return;
}
if ($event->isSkipChildren()) {
return $item;
}
return $this->addChildrenFromNode($node->getChildren(), $item);
}
/**
* {@inheritDoc}
*/
public function getOptions()
{
$connectedOption = $this->connectedNode->getOptions();
return array('label' => $this->getLabel() ?: $connectedOption['label'], 'attributes' => array_merge($connectedOption['attributes'], $this->getAttributes()), 'childrenAttributes' => array_merge($connectedOption['childrenAttributes'], $this->getChildrenAttributes()), 'display' => $this->getDisplay() && $connectedOption['display'], 'displayChildren' => $this->getDisplayChildren() && $connectedOption['displayChildren'], 'linkAttributes' => array_merge($connectedOption['linkAttributes'], $this->getLinkAttributes()), 'labelAttributes' => array_merge($connectedOption['labelAttributes'], $this->getLabelAttributes()), 'uri' => $connectedOption['uri'], 'route' => $connectedOption['route'], 'linkType' => $connectedOption['linkType'], 'content' => $connectedOption['content']);
}
/**
* {@inheritdoc}
*
* @see Knp\Menu.FactoryInterface::createFromNode()
*/
public function createFromNode(NodeInterface $node)
{
$item = $this->createItem($node->getName(), $node->getOptions());
/* @var $childNode NodeInterface */
foreach ($node->getChildren() as $childNode) {
$item->addChild($this->createFromNode($childNode));
}
return $item;
}
