<?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
 */

namespace Joomla\Component\Menus\Administrator\View\Menu;

use Joomla\CMS\Factory;
use Joomla\CMS\Helper\ContentHelper;
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;

// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * The HTML Menus Menu Item View.
 *
 * @since  1.6
 */
class HtmlView extends BaseHtmlView
{
    /**
     * The Form object
     *
     * @var  \Joomla\CMS\Form\Form
     */
    protected $form;

    /**
     * The active item
     *
     * @var  object
     */
    protected $item;

    /**
     * The model state
     *
     * @var  CMSObject
     */
    protected $state;

    /**
     * The actions the user is authorised to perform
     *
     * @var  CMSObject
     */
    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 = ContentHelper::getActions('com_menus', 'menu', $this->item->id);

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

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

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

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

        ToolbarHelper::title(Text::_($isNew ? 'COM_MENUS_VIEW_NEW_MENU_TITLE' : 'COM_MENUS_VIEW_EDIT_MENU_TITLE'), 'list menu');

        $toolbarButtons = [];

        // 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')) {
                ToolbarHelper::apply('menu.apply');
            }

            $toolbarButtons[] = ['save', 'menu.save'];
        }

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

            $toolbarButtons[] = ['save', 'menu.save'];
        }

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

        ToolbarHelper::saveGroup(
            $toolbarButtons,
            'btn-success'
        );

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

        ToolbarHelper::divider();
        ToolbarHelper::help('Menus:_Edit');
    }
}