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<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_users
 *
 * @copyright   (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

/**
 * View to edit a user view level.
 *
 * @since  1.6
 */
class UsersViewLevel extends JViewLegacy
{
	protected $form;

	/**
	 * The item data.
	 *
	 * @var   object
	 * @since 1.6
	 */
	protected $item;

	/**
	 * The model state.
	 *
	 * @var   JObject
	 * @since 1.6
	 */
	protected $state;

	/**
	 * Display the view
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  void
	 */
	public function display($tpl = null)
	{
		$this->form  = $this->get('Form');
		$this->item  = $this->get('Item');
		$this->state = $this->get('State');

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

		$this->addToolbar();
		parent::display($tpl);
	}

	/**
	 * Add the page title and toolbar.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	protected function addToolbar()
	{
		JFactory::getApplication()->input->set('hidemainmenu', true);

		$isNew = ($this->item->id == 0);
		$canDo = JHelperContent::getActions('com_users');

		JToolbarHelper::title(JText::_($isNew ? 'COM_USERS_VIEW_NEW_LEVEL_TITLE' : 'COM_USERS_VIEW_EDIT_LEVEL_TITLE'), 'users levels-add');

		if ($canDo->get('core.edit') || $canDo->get('core.create'))
		{
			JToolbarHelper::apply('level.apply');
			JToolbarHelper::save('level.save');
		}

		if ($canDo->get('core.create'))
		{
			JToolbarHelper::save2new('level.save2new');
		}

		// If an existing item, can save to a copy.
		if (!$isNew && $canDo->get('core.create'))
		{
			JToolbarHelper::save2copy('level.save2copy');
		}

		if (empty($this->item->id))
		{
			JToolbarHelper::cancel('level.cancel');
		}
		else
		{
			JToolbarHelper::cancel('level.cancel', 'JTOOLBAR_CLOSE');
		}

		JToolbarHelper::divider();
		JToolbarHelper::help('JHELP_USERS_ACCESS_LEVELS_EDIT');
	}
}