<?php

/**
 * @package     Joomla.Administrator
 * @subpackage  com_redirect
 *
 * @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\Redirect\Administrator\View\Link;

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\Toolbar\ToolbarHelper;

/**
 * View to edit a redirect link.
 *
 * @since  1.6
 */
class HtmlView extends BaseHtmlView
{
    /**
     * The active item
     *
     * @var  object
     */
    protected $item;

    /**
     * The Form object
     *
     * @var  \Joomla\CMS\Form\Form
     */
    protected $form;

    /**
     * The model state
     *
     * @var   \Joomla\CMS\Object\CMSObject
     */
    protected $state;

    /**
     * Display the view.
     *
     * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
     *
     * @return  mixed  False if unsuccessful, otherwise void.
     *
     * @since   1.6
     */
    public function display($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 GenericDataException(implode("\n", $errors), 500);
        }

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

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

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

        ToolbarHelper::title($isNew ? Text::_('COM_REDIRECT_MANAGER_LINK_NEW') : Text::_('COM_REDIRECT_MANAGER_LINK_EDIT'), 'map-signs redirect');

        $toolbarButtons = [];

        // If not checked out, can save the item.
        if ($canDo->get('core.edit')) {
            ToolbarHelper::apply('link.apply');
            $toolbarButtons[] = ['save', 'link.save'];
        }

        /**
         * This component does not support Save as Copy due to uniqueness checks.
         * While it can be done, it causes too much confusion if the user does
         * not change the Old URL.
         */
        if ($canDo->get('core.edit') && $canDo->get('core.create')) {
            $toolbarButtons[] = ['save2new', 'link.save2new'];
        }

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

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

        ToolbarHelper::help('Redirects:_New_or_Edit');
    }
}
