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编辑当前文件:/home2/sdektunc/.trash/components.3/com_content/src/View/Category/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\Category;

\defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\MVC\View\CategoryView;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\Component\Content\Site\Helper\RouteHelper;
use Joomla\Registry\Registry;

/**
 * HTML View class for the Content component
 *
 * @since  1.5
 */
class HtmlView extends CategoryView
{
	/**
	 * @var    array  Array of leading items for blog display
	 * @since  3.2
	 */
	protected $lead_items = array();

/**
	 * @var    array  Array of intro items for blog display
	 * @since  3.2
	 */
	protected $intro_items = array();

/**
	 * @var    array  Array of links in blog display
	 * @since  3.2
	 */
	protected $link_items = array();

/**
	 * @var    string  The name of the extension for the category
	 * @since  3.2
	 */
	protected $extension = 'com_content';

/**
	 * @var    string  Default title to use for page title
	 * @since  3.2
	 */
	protected $defaultPageTitle = 'JGLOBAL_ARTICLES';

/**
	 * @var    string  The name of the view to link individual items to
	 * @since  3.2
	 */
	protected $viewName = 'article';

/**
	 * 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)
	{
		parent::commonCategoryDisplay();

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

// Prepare the data
		// Get the metrics for the structural page layout.
		$params     = $this->params;
		$numLeading = $params->def('num_leading_articles', 1);
		$numIntro   = $params->def('num_intro_articles', 4);
		$numLinks   = $params->def('num_links', 4);
		$this->vote = PluginHelper::isEnabled('content', 'vote');

PluginHelper::importPlugin('content');

$app     = Factory::getApplication();

// Compute the article slugs and prepare introtext (runs content plugins).
		foreach ($this->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;
			}

$app->triggerEvent('onContentPrepare', array('com_content.category', &$item, &$item->params, 0));

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

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

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

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

// For blog layouts, preprocess the breakdown of leading, intro and linked articles.
		// This makes it much easier for the designer to just interrogate the arrays.
		if ($params->get('layout_type') === 'blog' || $this->getLayout() === 'blog')
		{
			foreach ($this->items as $i => $item)
			{
				if ($i < $numLeading)
				{
					$this->lead_items[] = $item;
				}

elseif ($i >= $numLeading && $i < $numLeading + $numIntro)
				{
					$this->intro_items[] = $item;
				}

elseif ($i < $numLeading + $numIntro + $numLinks)
				{
					$this->link_items[] = $item;
				}
				else
				{
					continue;
				}
			}
		}

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

if ($this->menuItemMatchCategory)
		{
			$this->params->def('page_heading', $this->params->get('page_title', $active->title));
			$title = $this->params->get('page_title', $active->title);
		}
		else
		{
			$this->params->def('page_heading', $this->category->title);
			$title = $this->category->title;
			$this->params->set('page_title', $title);
		}

if (empty($title))
		{
			$title = $this->category->title;
		}

$this->setDocumentTitle($title);

if ($this->category->metadesc)
		{
			$this->document->setDescription($this->category->metadesc);
		}
		elseif ($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'));
		}

if (!is_object($this->category->metadata))
		{
			$this->category->metadata = new Registry($this->category->metadata);
		}

if (($app->get('MetaAuthor') == '1') && $this->category->get('author', ''))
		{
			$this->document->setMetaData('author', $this->category->get('author', ''));
		}

$mdata = $this->category->metadata->toArray();

foreach ($mdata as $k => $v)
		{
			if ($v)
			{
				$this->document->setMetaData($k, $v);
			}
		}

parent::display($tpl);
	}

/**
	 * Prepares the document
	 *
	 * @return  void
	 */
	protected function prepareDocument()
	{
		parent::prepareDocument();

parent::addFeed();

if ($this->menuItemMatchCategory)
		{
			// If the active menu item is linked directly to the category being displayed, no further process is needed
			return;
		}

// Get ID of the category from active menu item
		$menu = $this->menu;

if ($menu && $menu->component == 'com_content' && isset($menu->query['view'])
			&& in_array($menu->query['view'], ['categories', 'category']))
		{
			$id = $menu->query['id'];
		}
		else
		{
			$id = 0;
		}

$path     = [['title' => $this->category->title, 'link' => '']];
		$category = $this->category->getParent();

while ($category !== null && $category->id !== 'root' && $category->id != $id)
		{
			$path[]   = ['title' => $category->title, 'link' => RouteHelper::getCategoryRoute($category->id, $category->language)];
			$category = $category->getParent();
		}

$path = array_reverse($path);

foreach ($path as $item)
		{
			$this->pathway->addItem($item['title'], $item['link']);
		}
	}
}