/**
  * @copydoc ListbuilderHandler::initialize()
  */
 function initialize($request)
 {
     parent::initialize($request);
     AppLocale::requireComponents(LOCALE_COMPONENT_PKP_MANAGER);
     // Basic configuration
     $this->setTitle('manager.setup.layout.blockManagement');
     $this->setSaveFieldName('blocks');
     // Name column
     $nameColumn = new ListbuilderGridColumn($this, 'name', 'common.name');
     // Add lists.
     $this->addList(new ListbuilderList('sidebarContext', 'manager.setup.layout.sidebar'));
     $this->addList(new ListbuilderList('unselected', 'manager.setup.layout.unselected'));
     import('lib.pkp.controllers.listbuilder.settings.BlockPluginsListbuilderGridCellProvider');
     $nameColumn->setCellProvider(new BlockPluginsListbuilderGridCellProvider());
     $this->addColumn($nameColumn);
 }