**/ class GridFieldConfig_SiteTree extends GridFieldConfig { public function __construct($itemsPerPage = null) { parent::__construct($itemsPerPage); $this->addComponent(new GridFieldButtonRow('before')); $this->addComponent(new GridFieldSiteTreeAddNewButton('buttons-before-left')); $this->addComponent(new GridFieldToolbarHeader()); $this->addComponent($sort = new GridFieldSortableHeader()); $this->addComponent($filter = new GridFieldFilterHeader()); $this->addComponent(new GridFieldDataColumns()); $this->addComponent(new GridFieldSiteTreeEditButton()); $this->addComponent(new GridFieldPageCount('toolbar-header-right')); $this->addComponent($pagination = new GridFieldPaginator($itemsPerPage)); $pagination->setThrowExceptionOnBadDataType(false); } }