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<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_menus
 *
 * @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;

/**
 * The HTML Menus Menu Item View.
 *
 * @since  1.6
 */
class MenusViewMenu extends JViewLegacy
{
	/**
	 * @var  JForm
	 */
	protected $form;

	/**
	 * @var  mixed
	 */
	protected $item;

	/**
	 * @var  JObject
	 */
	protected $state;

	/**
	 *
	 * @var  JObject
	 */
	protected $canDo;

	/**
	 * Display the view
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	public function display($tpl = null)
	{
		$this->form	 = $this->get('Form');
		$this->item	 = $this->get('Item');
		$this->state = $this->get('State');

		$this->canDo = JHelperContent::getActions('com_menus', 'menu', $this->item->id);

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

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

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

		$isNew = ($this->item->id == 0);

		JToolbarHelper::title(JText::_($isNew ? 'COM_MENUS_VIEW_NEW_MENU_TITLE' : 'COM_MENUS_VIEW_EDIT_MENU_TITLE'), 'list menu');

		// If a new item, can save the item.  Allow users with edit permissions to apply changes to prevent returning to grid.
		if ($isNew && $this->canDo->get('core.create'))
		{
			if ($this->canDo->get('core.edit'))
			{
				JToolbarHelper::apply('menu.apply');
			}

			JToolbarHelper::save('menu.save');
		}

		// If user can edit, can save the item.
		if (!$isNew && $this->canDo->get('core.edit'))
		{
			JToolbarHelper::apply('menu.apply');
			JToolbarHelper::save('menu.save');
		}

		// If the user can create new items, allow them to see Save & New
		if ($this->canDo->get('core.create'))
		{
			JToolbarHelper::save2new('menu.save2new');
		}

		if ($isNew)
		{
			JToolbarHelper::cancel('menu.cancel');
		}
		else
		{
			JToolbarHelper::cancel('menu.cancel', 'JTOOLBAR_CLOSE');
		}

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