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编辑当前文件:/home2/sdektunc/.trash/components/com_contact/src/View/Form/HtmlView.php

<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_contact
 *
 * @copyright   (C) 2020 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Contact\Site\View\Form;

\defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Helper\TagsHelper;
use Joomla\CMS\Language\Multilanguage;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\Component\Contact\Administrator\Helper\ContactHelper;

/**
 * HTML Contact View class for the Contact component
 *
 * @since  4.0.0
 */
class HtmlView extends BaseHtmlView
{
	/**
	 * @var    \Joomla\CMS\Form\Form
	 * @since  4.0.0
	 */
	protected $form;

/**
	 * @var    object
	 * @since  4.0.0
	 */
	protected $item;

/**
	 * @var    string
	 * @since  4.0.0
	 */
	protected $return_page;

/**
	 * @var    string
	 * @since  4.0.0
	 */
	protected $pageclass_sfx;

/**
	 * @var    \Joomla\Registry\Registry
	 * @since  4.0.0
	 */
	protected $state;

/**
	 * @var    \Joomla\Registry\Registry
	 * @since  4.0.0
	 */
	protected $params;

/**
	 * Execute and display a template script.
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  void|boolean
	 *
	 * @throws \Exception
	 * @since  4.0.0
	 */
	public function display($tpl = null)
	{
		$user = Factory::getUser();
		$app  = Factory::getApplication();

// Get model data.
		$this->state       = $this->get('State');
		$this->item        = $this->get('Item');
		$this->form        = $this->get('Form');
		$this->return_page = $this->get('ReturnPage');

if (empty($this->item->id))
		{
			$authorised = $user->authorise('core.create', 'com_contact') || count($user->getAuthorisedCategories('com_contact', 'core.create'));
		}
		else
		{
			// Since we don't track these assets at the item level, use the category id.
			$canDo      = ContactHelper::getActions('com_contact', 'category', $this->item->catid);
			$authorised = $canDo->get('core.edit') || ($canDo->get('core.edit.own') && $this->item->created_by === $user->id);
		}

if ($authorised !== true)
		{
			$app->enqueueMessage(Text::_('JERROR_ALERTNOAUTHOR'), 'error');
			$app->setHeader('status', 403, true);

return false;
		}

$this->item->tags = new TagsHelper;

if (!empty($this->item->id))
		{
			$this->item->tags->getItemTags('com_contact.contact', $this->item->id);
		}

// Check for errors.
		if (count($errors = $this->get('Errors')))
		{
			$app->enqueueMessage(implode("\n", $errors), 'error');

return false;
		}

// Create a shortcut to the parameters.
		$this->params = $this->state->params;

// Escape strings for HTML output
		$this->pageclass_sfx = htmlspecialchars($this->params->get('pageclass_sfx'));

// Override global params with contact specific params
		$this->params->merge($this->item->params);

// Propose current language as default when creating new contact
		if (empty($this->item->id) && Multilanguage::isEnabled())
		{
			$lang = Factory::getLanguage()->getTag();
			$this->form->setFieldAttribute('language', 'default', $lang);
		}

$this->_prepareDocument();

parent::display($tpl);
	}

/**
	 * Prepares the document
	 *
	 * @return  void
	 *
	 * @throws \Exception
	 *
	 * @since  4.0.0
	 */
	protected function _prepareDocument()
	{
		$app = Factory::getApplication();

// Because the application sets a default page title,
		// we need to get it from the menu item itself
		$menu = $app->getMenu()->getActive();

if ($menu)
		{
			$this->params->def('page_heading', $this->params->get('page_title', $menu->title));
		}
		else
		{
			$this->params->def('page_heading', Text::_('COM_CONTACT_FORM_EDIT_CONTACT'));
		}

$title = $this->params->def('page_title', Text::_('COM_CONTACT_FORM_EDIT_CONTACT'));

$this->setDocumentTitle($title);

$pathway = $app->getPathWay();
		$pathway->addItem($title, '');

if ($this->params->get('menu-meta_description'))
		{
			$this->document->setDescription($this->params->get('menu-meta_description'));
		}

if ($this->params->get('menu-meta_keywords'))
		{
			$this->document->setMetaData('keywords', $this->params->get('menu-meta_keywords'));
		}

if ($this->params->get('robots'))
		{
			$this->document->setMetaData('robots', $this->params->get('robots'));
		}
	}
}