<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_privacy
 *
 * @copyright   (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Privacy\Administrator\View\Capabilities;

\defined('_JEXEC') or die;

use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\GenericDataException;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Object\CMSObject;
use Joomla\CMS\Toolbar\ToolbarHelper;

/**
 * Capabilities view class
 *
 * @since  3.9.0
 */
class HtmlView extends BaseHtmlView
{
	/**
	 * The reported extension capabilities
	 *
	 * @var    array
	 * @since  3.9.0
	 */
	protected $capabilities;

	/**
	 * The state information
	 *
	 * @var    CMSObject
	 * @since  3.9.0
	 */
	protected $state;

	/**
	 * Execute and display a template script.
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  void
	 *
	 * @see     BaseHtmlView::loadTemplate()
	 * @since   3.9.0
	 * @throws  \Exception
	 */
	public function display($tpl = null)
	{
		// Initialise variables
		$this->capabilities = $this->get('Capabilities');
		$this->state        = $this->get('State');

		// Check for errors.
		if (count($errors = $this->get('Errors')))
		{
			throw new Genericdataexception(implode("\n", $errors), 500);
		}

		$this->addToolbar();

		parent::display($tpl);
	}

	/**
	 * Add the page title and toolbar.
	 *
	 * @return  void
	 *
	 * @since   3.9.0
	 */
	protected function addToolbar()
	{
		ToolbarHelper::title(Text::_('COM_PRIVACY_VIEW_CAPABILITIES'), 'lock');

		ToolbarHelper::preferences('com_privacy');

		ToolbarHelper::help('Privacy:_Extension_Capabilities');
	}
}
