/**
* @param string $path
* @param array &$item
*
* @return string|bool
*/
protected function _findParentPath($path, &$item)
{
if ($item) {
if (!$item['access']) {
// Parent should be the front page.
return FALSE;
}
$parent_path = $this->pluginEngine->findParent($path, $item);
if (isset($parent_path)) {
return $parent_path;
}
}
// fallback: chop off the last fragment of the system path.
$parent_path = $this->router->reducePath($path);
return isset($parent_path) ? $parent_path : FALSE;
}
/**
* Build the raw trail.
*
* @param string $path
* @return array
*/
function buildTrail($path)
{
$path = $this->router->getNormalPath($path);
$trail_reverse = array();
$front_normal_path = $this->router->getFrontNormalPath();
$front_menu_item = $this->router->getRouterItem($front_normal_path);
$front_menu_item['href'] = '<front>';
while (strlen($path) && $path !== '<front>' && $path !== $front_normal_path) {
if (isset($trail_reverse[$path])) {
// We found a loop! To prevent infinite recursion, we
// remove the loopy paths from the trail and finish directly with <front>.
while (isset($trail_reverse[$path])) {
array_pop($trail_reverse);
}
break;
}
$item = $this->router->getRouterItem($path);
// If this menu item is a default local task and links to its parent,
// skip it and start the search from the parent instead.
if ($item && $item['type'] & MENU_LINKS_TO_PARENT) {
$path = $item['tab_parent_href'];
$item = $this->router->getRouterItem($item['tab_parent_href']);
}
// For a path to be included in the trail, it must resolve to a valid
// router item, and the access check must pass.
if ($item && $item['access']) {
$trail_reverse[$path] = $item;
}
$parent_path = $this->parentFinder->getParentPath($path, $item);
if ($parent_path === $path) {
// This is again a loop, but with just one step.
// Not as evil as the other kind of loop.
break;
}
$path = $parent_path;
}
unset($trail_reverse['<front>']);
$trail_reverse[$front_normal_path] = $front_menu_item;
return array_reverse($trail_reverse);
}
