/**
* Checks whether an item is current.
*
* If the voter is not able to determine a result,
* it should return null to let other voters do the job.
*
* @param ItemInterface $item
*
* @return boolean|null
*/
public function matchItem(ItemInterface $item)
{
if ($item->getExtra('link', false) && $this->parentControl) {
$presenter = $this->parentControl->getPresenter(true);
$item->setCurrent(call_user_func_array(array($presenter, 'isLinkCurrent'), $item->getExtra('link')));
return $item->isCurrent();
}
return null;
}
public function isCurrent(ItemInterface $item)
{
$current = $item->isCurrent();
if (null !== $current) {
return $current;
}
if ($this->cache->contains($item)) {
return $this->cache[$item];
}
foreach ($this->voters as $voter) {
$current = $voter->matchItem($item);
if (null !== $current) {
break;
}
}
$current = (bool) $current;
$this->cache[$item] = $current;
return $current;
}
/**
* Renders the link in a a tag with link attributes or
* the label in a span tag with label attributes
*
* Tests if item has a an uri and if not tests if it's
* the current item and if the text has to be rendered
* as a link or not.
*
* @param \Knp\Menu\ItemInterface $item The item to render the link or label for
* @param array $options The options to render the item
* @return string
*/
public function renderLink(ItemInterface $item, array $options = array())
{
$options = array_merge($this->getDefaultOptions(), $options);
if ($item->getUri() && (!$item->isCurrent() || $options['currentAsLink'])) {
$text = sprintf('<a href="%s"%s>%s</a>', $this->escape($item->getUri()), $this->renderHtmlAttributes($item->getLinkAttributes()), $this->escape($item->getLabel()));
} else {
$text = sprintf('<span%s>%s</span>', $this->renderHtmlAttributes($item->getLabelAttributes()), $this->escape($item->getLabel()));
}
return $this->format($text, 'link', $item->getLevel());
}
/**
* Renders the link in a a tag with link attributes or
* the label in a span tag with label attributes
*
* Tests if item has a an uri and if not tests if it's
* the current item and if the text has to be rendered
* as a link or not.
*
* @param \Knp\Menu\ItemInterface $item The item to render the link or label for
* @param array $options The options to render the item
* @return string
*/
protected function renderLink(ItemInterface $item, array $options = array())
{
if ($item->getUri() && (!$item->isCurrent() || $options['currentAsLink'])) {
$text = $this->renderLinkElement($item, $options);
} else {
$text = $this->renderSpanElement($item, $options);
}
return $this->format($text, 'link', $item->getLevel(), $options);
}
/**
* @param ItemInterface $item
* @param integer|null $depth the depth until which children should be exported (null means unlimited)
*
* @return array
*/
public function toArray(ItemInterface $item, $depth = null)
{
$array = array('name' => $item->getName(), 'label' => $item->getLabel(), 'uri' => $item->getUri(), 'attributes' => $item->getAttributes(), 'labelAttributes' => $item->getLabelAttributes(), 'linkAttributes' => $item->getLinkAttributes(), 'childrenAttributes' => $item->getChildrenAttributes(), 'extras' => $item->getExtras(), 'display' => $item->isDisplayed(), 'displayChildren' => $item->getDisplayChildren(), 'current' => $item->isCurrent());
// export the children as well, unless explicitly disabled
if (0 !== $depth) {
$childDepth = null === $depth ? null : $depth - 1;
$array['children'] = array();
foreach ($item->getChildren() as $key => $child) {
$array['children'][$key] = $this->toArray($child, $childDepth);
}
}
return $array;
}
