/**
* Invoke all relevant plugins to find title or parent for a given path.
*
* @param crumbs_PluginSystem_PluginMethodIterator $iterator
* @param array $args
* Parameter values to pass to plugin methods.
* @param bool $processFindParent
*
* @return mixed|null
*/
protected function find($iterator, $args, $processFindParent = FALSE)
{
$best_candidate = NULL;
$best_candidate_weight = 999999;
$best_candidate_key = NULL;
foreach ($iterator as $plugin_key => $position) {
if (!$position instanceof crumbs_PluginSystem_PluginMethodIteratorPosition) {
continue;
}
if ($position->isMultiPlugin()) {
$localWeightMap = $this->weightMap->localWeightMap($plugin_key);
if ($best_candidate_weight <= $localWeightMap->smallestValue()) {
return $best_candidate;
}
$candidates = $position->invokeFinderMethod($args);
if (empty($candidates)) {
continue;
}
foreach ($candidates as $candidate_key => $candidate_raw) {
if (!isset($candidate_raw)) {
continue;
}
$candidate_weight = $localWeightMap->valueAtKey($candidate_key);
if (FALSE === $candidate_weight) {
continue;
}
if ($best_candidate_weight <= $candidate_weight) {
continue;
}
if ($processFindParent) {
$candidate = $this->processFindParent($candidate_raw);
if (!isset($candidate)) {
continue;
}
} else {
$candidate = $candidate_raw;
}
$best_candidate = $candidate;
$best_candidate_weight = $candidate_weight;
}
} elseif ($position->isMonoPlugin()) {
$candidate_weight = $this->weightMap->valueAtKey($plugin_key);
if ($best_candidate_weight <= $candidate_weight) {
return $best_candidate;
}
$candidate_raw = $position->invokeFinderMethod($args);
if (!isset($candidate_raw)) {
continue;
}
$candidate = $processFindParent ? $this->processFindParent($candidate_raw) : $candidate_raw;
if (isset($candidate)) {
$best_candidate = $candidate;
$best_candidate_weight = $candidate_weight;
}
}
}
return $best_candidate;
}
/**
* @param crumbs_Container_WeightMap $localWeightMap
*/
function initWeights($localWeightMap)
{
if ('user' !== $this->entityType) {
return;
}
foreach (user_roles(TRUE) as $rid => $role) {
$weight = $localWeightMap->valueAtKey($role);
if (FALSE !== $weight) {
$this->weights[$rid] = $weight;
}
}
asort($this->weights);
}
