<?php
class Page extends SiteTree {

	public static $db = array(
	);

	public static $has_one = array(
	);

	function getCMSFields() {
		$fields = parent::getCMSFields();

		$config = GridFieldConfig::create()->addComponents(
				new GridFieldToolbarHeader(),
				new GridFieldAddNewButton('toolbar-header-right'),
				new GridFieldSortableHeader(),
				new GridFieldDataColumns(),
				new GridFieldPaginator(10),
				new GridFieldEditButton(),
				new GridFieldDeleteAction(),
				new GridFieldDetailForm()
		);

		$gf = new GridField("ViewerGroups", "ViewerGroups", $this->ViewerGroups(), $config);
		$fields->addFieldToTab("Root.ViewerGroups", $gr);

		return $fields;
	}

}