/**
* @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;
}
/**
* @param array $trail
* @return array
*/
function buildBreadcrumb($trail)
{
$breadcrumb = array();
foreach ($trail as $path => $item) {
if ($item) {
$title = $this->pluginEngine->findTitle($path, $item, $breadcrumb);
if (!isset($title)) {
$title = $item['title'];
}
// The item will be skipped, if $title === FALSE.
if (isset($title) && $title !== FALSE && $title !== '') {
$item['title'] = $title;
$breadcrumb[] = $item;
}
}
}
return $breadcrumb;
}
/**
* @param crumbs_PluginSystem_PluginEngine $unfilteredPluginEngine
*
* @return array
*/
private function getAllCandidates($unfilteredPluginEngine)
{
$candidates_all = array('parent' => array(), 'title' => array());
$candidateKeys = array();
$breadcrumb = array();
foreach ($this->paths as $i => $path) {
$candidates = $unfilteredPluginEngine->findAllTitles($path, $this->trail[$path], $breadcrumb);
$candidates_all['title'][$i] = $candidates;
foreach ($candidates as $candidateKey => $candidate) {
$candidateKeys[$candidateKey] = TRUE;
}
if ($i + 1 < count($this->trail)) {
$candidates = $unfilteredPluginEngine->findAllParents($path, $this->trail[$path]);
$candidates_all['parent'][$i] = $candidates;
foreach ($candidates as $candidateKey => $candidate) {
$candidateKeys[$candidateKey] = TRUE;
}
}
}
return array($candidates_all, $candidateKeys);
}