Load lexicons in controller examples

gistfile1.txt

public function render() {
  //$this->modx->controller->addLexiconTopic('core:dashboard');

  $this->controller->addJavascript($this->modx->getOption('manager_url').'assets/modext/widgets/security/modx.grid.user.online.js');
  $this->controller->addHtml('
  <script type="text/javascript">
    Ext.applyIf(MODx.lang, '. $this->modx->toJSON($this->modx->lexicon->loadCache('core', 'dashboard')) .');
    Ext.onReady(function() {
      MODx.load({
        xtype: "modx-grid-user-online"
        ,renderTo: "modx-grid-user-online"
      });
    });
  </script>');

  return $this->getFileChunk('dashboard/onlineusers.tpl');
}