url = $url;
parent::__construct($menu, RecursiveIteratorIterator::CHILD_FIRST);
}
/**
* Register the outer ul opening html-tag
*/
public function beginIteration()
{
$this->tags[] = '';
}
/**
* Register the outer ul closing html-tag
*/
public function endIteration()
{
$this->tags[] = '
';
}
/**
* Register a inner ul opening html-tag
*/
public function beginChildren()
{
// The iterator runs in mode CHILD_FIRST so we need to remember
// where to insert the parent's opening html tag once its rendered
$parent = $this->getSubIterator(0)->current();
$this->tags[$parent->getId() . '_begin'] = null;
$this->tags[] = '';
}
/**
* Register a inner ul closing html-tag
*/
public function endChildren()
{
$this->tags[] = '
';
// Remember the position of the parent's closing html-tag
$parent = $this->getSubIterator(0)->current();
$this->tags[$parent->getId() . '_end'] = null;
}
/**
* Render the given child
*
* @param Menu $child The menu's child to render
*
* @return string The child rendered as html
*/
public function renderChild(Menu $child)
{
return sprintf(
'%s%s',
$child->getUrl() ? Url::fromPath($child->getUrl()) : '#',
$child->getIcon() ? ') . ')
' : '',
htmlspecialchars($child->getTitle())
);
}
/**
* Return the menu rendered as html
*
* @return string
*/
public function render()
{
$passedActiveChild = false;
foreach ($this as $child) {
$childIsActive = $this->isActive($child);
if ($childIsActive && $this->getDepth() > 0) {
$passedActiveChild = true;
}
if ($childIsActive || ($passedActiveChild && $this->getDepth() === 0)) {
$passedActiveChild &= $this->getDepth() !== 0;
$openTag = '';
} else {
$openTag = '';
}
$content = $this->renderChild($child);
$closingTag = '';
if (array_key_exists($child->getId() . '_begin', $this->tags)) {
$this->tags[$child->getId() . '_begin'] = $openTag . $content;
$this->tags[$child->getId() . '_end'] = $closingTag;
} else {
$this->tags[] = $openTag . $content . $closingTag;
}
}
return implode("\n", $this->tags);
}
/**
* @see MenuRenderer::render()
*/
public function __toString()
{
return $this->render();
}
/**
* Return whether the current request url references the child's url
*
* @param Menu $child The menu's child to check
*
* @return bool
*/
protected function isActive(Menu $child)
{
return html_entity_decode(rawurldecode($this->url)) === html_entity_decode(rawurldecode($child->getUrl()));
}
}