Хлебные крошки в админке MODX

<?php
if ($modx->event->name == 'OnDocFormPrerender') {    
	if (!$modx->controller->resourceArray) {
		return;
	}
	$id = $modx->controller->resourceArray['id'];	
	$resources = array();
    foreach ($modx->getParentIds($id, 10, array('context' => 'web')) as $parentId) {
		if ($parentId) array_push($resources, $parentId);		
    }
    $resources[] = $id;
	natsort($resources);
	$level = 0;
    $childTemplates = '<a style="color: #333;" href="/manager/index.php">Панель</a>' .
    ' <span style="color: #333;">|</span> ';
    foreach ($resources as $resourceId) {
      $resource = $modx->getObject('modResource', $resourceId);
      if ($resourceId == $id) {
          $childTemplates .= '<span style="color: #333;">'.$resource->get('pagetitle').'</span>';
      } else {
          $childTemplates .= '<a style="color: #333;" href="/manager/index.php?a=30&id='.
          $resource->get('id').'">'.$resource->get('pagetitle').'</a> <span style="color: #333;">|</span> ';
      }
      $level++; 
    }

	
	$modx->controller->addHtml('
	<script>'."
		Ext.onReady(function() {		
			var title = Ext.select('#modx-resource-header');
			var pagetitle = Ext.select('#modx-resource-pagetitle');
			
			title.createChild('<p style=\"padding-bottom: 15px;\">$childTemplates</p>');
			pagetitle.on('keyup', function(){
				title.createChild('<p style=\"padding-bottom: 15px;\">$childTemplates</p>');
			});			
		});					
		</script>	
	".'</script>');
	
	return;
}

Автор: Танаев Роман. Исходный код: https://github.com/tanaevr/BreadCrumbsManager