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编辑当前文件:/home2/sdektunc/.trash/components.9/com_content/src/View/Featured/HtmlView.php

<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_content
 *
 * @copyright   (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Content\Site\View\Featured;

\defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\GenericDataException;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Router\Route;

/**
 * Frontpage View class
 *
 * @since  1.5
 */
class HtmlView extends BaseHtmlView
{
	/**
	 * The model state
	 *
	 * @var  \JObject
	 */
	protected $state = null;

/**
	 * The featured articles array
	 *
	 * @var  \stdClass[]
	 */
	protected $items = null;

/**
	 * The pagination object.
	 *
	 * @var  \JPagination
	 */
	protected $pagination = null;

/**
	 * The featured articles to be displayed as lead items.
	 *
	 * @var  \stdClass[]
	 */
	protected $lead_items = array();

/**
	 * The featured articles to be displayed as intro items.
	 *
	 * @var  \stdClass[]
	 */
	protected $intro_items = array();

/**
	 * The featured articles to be displayed as link items.
	 *
	 * @var  \stdClass[]
	 */
	protected $link_items = array();

/**
	 * An instance of JDatabaseDriver.
	 *
	 * @var    \JDatabaseDriver
	 * @since  3.6.3
	 */
	protected $db;

/**
	 * The user object
	 *
	 * @var  \JUser|null
	 */
	protected $user = null;

/**
	 * The page class suffix
	 *
	 * @var    string
	 * @since  4.0.0
	 */
	protected $pageclass_sfx = '';

/**
	 * The page parameters
	 *
	 * @var    \Joomla\Registry\Registry|null
	 * @since  4.0.0
	 */
	protected $params = null;

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

$state      = $this->get('State');
		$items      = $this->get('Items');
		$pagination = $this->get('Pagination');

// Flag indicates to not add limitstart=0 to URL
		$pagination->hideEmptyLimitstart = true;

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

/** @var \Joomla\Registry\Registry $params */
		$params = &$state->params;

// PREPARE THE DATA

// Get the metrics for the structural page layout.
		$numLeading = (int) $params->def('num_leading_articles', 1);
		$numIntro   = (int) $params->def('num_intro_articles', 4);

PluginHelper::importPlugin('content');

// Compute the article slugs and prepare introtext (runs content plugins).
		foreach ($items as &$item)
		{
			$item->slug = $item->alias ? ($item->id . ':' . $item->alias) : $item->id;

// No link for ROOT category
			if ($item->parent_alias === 'root')
			{
				$item->parent_id = null;
			}

$item->event = new \stdClass;

// Old plugins: Ensure that text property is available
			if (!isset($item->text))
			{
				$item->text = $item->introtext;
			}

Factory::getApplication()->triggerEvent('onContentPrepare', array('com_content.featured', &$item, &$item->params, 0));

// Old plugins: Use processed text as introtext
			$item->introtext = $item->text;

$results = Factory::getApplication()->triggerEvent('onContentAfterTitle', array('com_content.featured', &$item, &$item->params, 0));
			$item->event->afterDisplayTitle = trim(implode("\n", $results));

$results = Factory::getApplication()->triggerEvent('onContentBeforeDisplay', array('com_content.featured', &$item, &$item->params, 0));
			$item->event->beforeDisplayContent = trim(implode("\n", $results));

$results = Factory::getApplication()->triggerEvent('onContentAfterDisplay', array('com_content.featured', &$item, &$item->params, 0));
			$item->event->afterDisplayContent = trim(implode("\n", $results));
		}

// Preprocess the breakdown of leading, intro and linked articles.
		// This makes it much easier for the designer to just integrate the arrays.
		$max = count($items);

// The first group is the leading articles.
		$limit = $numLeading;

for ($i = 0; $i < $limit && $i < $max; $i++)
		{
			$this->lead_items[$i] = &$items[$i];
		}

// The second group is the intro articles.
		$limit = $numLeading + $numIntro;

// Order articles across, then down (or single column mode)
		for ($i = $numLeading; $i < $limit && $i < $max; $i++)
		{
			$this->intro_items[$i] = &$items[$i];
		}

// The remainder are the links.
		for ($i = $numLeading + $numIntro; $i < $max; $i++)
		{
			$this->link_items[$i] = &$items[$i];
		}

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

$this->params     = &$params;
		$this->items      = &$items;
		$this->pagination = &$pagination;
		$this->user       = &$user;
		$this->db         = Factory::getDbo();

$this->_prepareDocument();

parent::display($tpl);
	}

/**
	 * Prepares the document.
	 *
	 * @return  void
	 */
	protected function _prepareDocument()
	{
		// Because the application sets a default page title,
		// we need to get it from the menu item itself
		$menu = Factory::getApplication()->getMenu()->getActive();

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

$this->setDocumentTitle($this->params->get('page_title', ''));

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

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

// Add feed links
		if ($this->params->get('show_feed_link', 1))
		{
			$link    = '&format=feed&limitstart=';
			$attribs = array('type' => 'application/rss+xml', 'title' => 'RSS 2.0');
			$this->document->addHeadLink(Route::_($link . '&type=rss'), 'alternate', 'rel', $attribs);
			$attribs = array('type' => 'application/atom+xml', 'title' => 'Atom 1.0');
			$this->document->addHeadLink(Route::_($link . '&type=atom'), 'alternate', 'rel', $attribs);
		}
	}
}