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编辑当前文件:/home2/sdektunc/chikindzonotyucatan.gob.mx/libraries/src/MVC/View/CategoryView.php

<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\MVC\View;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Categories\CategoryNode;
use Joomla\CMS\Factory;
use Joomla\CMS\Helper\TagsHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Router\Route;

/**
 * Base HTML View class for the a Category list
 *
 * @since  3.2
 */
class CategoryView extends HtmlView
{
	/**
	 * State data
	 *
	 * @var    \Joomla\Registry\Registry
	 * @since  3.2
	 */
	protected $state;

/**
	 * Category items data
	 *
	 * @var    array
	 * @since  3.2
	 */
	protected $items;

/**
	 * The category model object for this category
	 *
	 * @var    CategoryNode
	 * @since  3.2
	 */
	protected $category;

/**
	 * The list of other categories for this extension.
	 *
	 * @var    array
	 * @since  3.2
	 */
	protected $categories;

/**
	 * Pagination object
	 *
	 * @var    \Joomla\CMS\Pagination\Pagination
	 * @since  3.2
	 */
	protected $pagination;

/**
	 * Child objects
	 *
	 * @var    array
	 * @since  3.2
	 */
	protected $children;

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

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

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

/**
	 * Whether to run the standard Joomla plugin events.
	 * Off by default for b/c
	 *
	 * @var    boolean
	 * @since  3.5
	 */
	protected $runPlugins = false;

/**
	 * The flag to mark if the active menu item is linked to the category being displayed
	 *
	 * @var bool
	 * @since 4.0.0
	 */
	protected $menuItemMatchCategory = false;

/**
	 * Method with common display elements used in category list displays
	 *
	 * @return  void
	 *
	 * @since   3.2
	 */
	public function commonCategoryDisplay()
	{
		$app    = Factory::getApplication();
		$user   = Factory::getUser();
		$params = $app->getParams();

// Get some data from the models
		$model       = $this->getModel();
		$paramsModel = $model->getState('params');

$paramsModel->set('check_access_rights', 0);
		$model->setState('params', $paramsModel);

$state       = $this->get('State');
		$category    = $this->get('Category');
		$children    = $this->get('Children');
		$parent      = $this->get('Parent');

if ($category == false)
		{
			throw new \InvalidArgumentException(Text::_('JGLOBAL_CATEGORY_NOT_FOUND'), 404);
		}

if ($parent == false)
		{
			throw new \InvalidArgumentException(Text::_('JGLOBAL_CATEGORY_NOT_FOUND'), 404);
		}

// Check whether category access level allows access.
		$groups = $user->getAuthorisedViewLevels();

if (!\in_array($category->access, $groups))
		{
			throw new \RuntimeException(Text::_('JERROR_ALERTNOAUTHOR'), 403);
		}

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

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

// Setup the category parameters.
		$cparams          = $category->getParams();
		$category->params = clone $params;
		$category->params->merge($cparams);

$children = array($category->id => $children);

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

if ($this->runPlugins)
		{
			PluginHelper::importPlugin('content');

foreach ($items as $itemElement)
			{
				$itemElement = (object) $itemElement;
				$itemElement->event = new \stdClass;

// For some plugins.
				!empty($itemElement->description) ? $itemElement->text = $itemElement->description : $itemElement->text = null;

Factory::getApplication()->triggerEvent('onContentPrepare', [$this->extension . '.category', &$itemElement, &$itemElement->params, 0]);

$results = Factory::getApplication()->triggerEvent(
					'onContentAfterTitle',
					[$this->extension . '.category', &$itemElement, &$itemElement->core_params, 0]
				);
				$itemElement->event->afterDisplayTitle = trim(implode("\n", $results));

$results = Factory::getApplication()->triggerEvent(
					'onContentBeforeDisplay',
					[$this->extension . '.category', &$itemElement, &$itemElement->core_params, 0]
				);
				$itemElement->event->beforeDisplayContent = trim(implode("\n", $results));

$results = Factory::getApplication()->triggerEvent(
					'onContentAfterDisplay',
					[$this->extension . '.category', &$itemElement, &$itemElement->core_params, 0]
				);
				$itemElement->event->afterDisplayContent = trim(implode("\n", $results));

if ($itemElement->text)
				{
					$itemElement->description = $itemElement->text;
				}
			}
		}

$maxLevel         = $params->get('maxLevel', -1) < 0 ? PHP_INT_MAX : $params->get('maxLevel', PHP_INT_MAX);
		$this->maxLevel   = &$maxLevel;
		$this->state      = &$state;
		$this->items      = &$items;
		$this->category   = &$category;
		$this->children   = &$children;
		$this->params     = &$params;
		$this->parent     = &$parent;
		$this->pagination = &$pagination;
		$this->user       = &$user;

// Check for layout override only if this is not the active menu item
		// If it is the active menu item, then the view and category id will match
		$active = $app->getMenu()->getActive();

if ($active
			&& $active->component == $this->extension
			&& isset($active->query['view'], $active->query['id'])
			&& $active->query['view'] === 'category'
			&& $active->query['id'] == $this->category->id)
		{
			if (isset($active->query['layout']))
			{
				$this->setLayout($active->query['layout']);
			}

$this->menuItemMatchCategory = true;
		}
		elseif ($layout = $category->params->get('category_layout'))
		{
			$this->setLayout($layout);
		}

$this->category->tags = new TagsHelper;
		$this->category->tags->getItemTags($this->extension . '.category', $this->category->id);
	}

/**
	 * Execute and display a template script.
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  void
	 *
	 * @since   3.2
	 * @throws  \Exception
	 */
	public function display($tpl = null)
	{
		$this->prepareDocument();

parent::display($tpl);
	}

/**
	 * Method to prepares the document
	 *
	 * @return  void
	 *
	 * @since   3.2
	 */
	protected function prepareDocument()
	{
		$app           = Factory::getApplication();
		$this->pathway = $app->getPathway();

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

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

$this->setDocumentTitle($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'));
		}
	}

/**
	 * Method to add an alternative feed link to a category layout.
	 *
	 * @return  void
	 *
	 * @since   3.2
	 */
	protected function addFeed()
	{
		if ($this->params->get('show_feed_link', 1) == 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);
		}
	}
}