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components/com_newsfeeds/views/newsfeed/view.html.php
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315
components/com_newsfeeds/views/newsfeed/view.html.php
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<?php
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/**
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* @package Joomla.Site
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* @subpackage com_newsfeeds
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('_JEXEC') or die;
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/**
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* HTML View class for the Newsfeeds component
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*
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* @package Joomla.Site
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* @subpackage com_newsfeeds
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* @since 1.0
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*/
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class NewsfeedsViewNewsfeed extends JViewLegacy
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{
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/**
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* @var object
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* @since 1.6
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*/
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protected $state;
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/**
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* @var object
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* @since 1.6
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*/
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protected $item;
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/**
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* @var boolean
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* @since 1.6
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*/
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protected $print;
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/**
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* @since 1.6
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*/
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public function display($tpl = null)
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{
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$app = JFactory::getApplication();
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$user = JFactory::getUser();
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// Get view related request variables.
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$print = $app->input->getBool('print');
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// Get model data.
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$state = $this->get('State');
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$item = $this->get('Item');
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if ($item)
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{
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// Get Category Model data
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$categoryModel = JModelLegacy::getInstance('Category', 'NewsfeedsModel', array('ignore_request' => true));
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$categoryModel->setState('category.id', $item->catid);
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$categoryModel->setState('list.ordering', 'a.name');
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$categoryModel->setState('list.direction', 'asc');
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// TODO: $items is not used. Remove this line?
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$items = $categoryModel->getItems();
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}
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// Check for errors.
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// @TODO Maybe this could go into JComponentHelper::raiseErrors($this->get('Errors'))
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if (count($errors = $this->get('Errors')))
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{
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JError::raiseWarning(500, implode("\n", $errors));
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return false;
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}
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// Add router helpers.
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$item->slug = $item->alias ? ($item->id . ':' . $item->alias) : $item->id;
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$item->catslug = $item->category_alias ? ($item->catid . ':' . $item->category_alias) : $item->catid;
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$item->parent_slug = $item->category_alias ? ($item->parent_id . ':' . $item->parent_alias) : $item->parent_id;
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// check if cache directory is writeable
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$cacheDir = JPATH_CACHE . '/';
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if (!is_writable($cacheDir))
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{
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JError::raiseNotice('0', JText::_('COM_NEWSFEEDS_CACHE_DIRECTORY_UNWRITABLE'));
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return;
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}
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// Merge newsfeed params. If this is single-newsfeed view, menu params override newsfeed params
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// Otherwise, newsfeed params override menu item params
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$params = $state->get('params');
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$newsfeed_params = clone $item->params;
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$active = $app->getMenu()->getActive();
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$temp = clone ($params);
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// Check to see which parameters should take priority
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if ($active)
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{
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$currentLink = $active->link;
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// If the current view is the active item and an newsfeed view for this feed, then the menu item params take priority
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if (strpos($currentLink, 'view=newsfeed') && (strpos($currentLink, '&id='.(string) $item->id)))
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{
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// $item->params are the newsfeed params, $temp are the menu item params
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// Merge so that the menu item params take priority
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$newsfeed_params->merge($temp);
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$item->params = $newsfeed_params;
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// Load layout from active query (in case it is an alternative menu item)
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if (isset($active->query['layout']))
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{
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$this->setLayout($active->query['layout']);
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}
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}
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else
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{
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// Current view is not a single newsfeed, so the newsfeed params take priority here
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// Merge the menu item params with the newsfeed params so that the newsfeed params take priority
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$temp->merge($newsfeed_params);
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$item->params = $temp;
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// Check for alternative layouts (since we are not in a single-newsfeed menu item)
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if ($layout = $item->params->get('newsfeed_layout'))
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{
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$this->setLayout($layout);
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}
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}
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}
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else
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{
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// Merge so that newsfeed params take priority
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$temp->merge($newsfeed_params);
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$item->params = $temp;
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// Check for alternative layouts (since we are not in a single-newsfeed menu item)
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if ($layout = $item->params->get('newsfeed_layout'))
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{
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$this->setLayout($layout);
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}
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}
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// Check the access to the newsfeed
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$levels = $user->getAuthorisedViewLevels();
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if (!in_array($item->access, $levels) or ((in_array($item->access, $levels) and (!in_array($item->category_access, $levels)))))
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{
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JError::raiseWarning(403, JText::_('JERROR_ALERTNOAUTHOR'));
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return;
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}
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// Get the current menu item
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$params = $app->getParams();
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// Get the newsfeed
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$newsfeed = $item;
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$temp = new JRegistry;
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$temp->loadString($item->params);
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$params->merge($temp);
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try
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{
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$feed = new JFeedFactory;
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$this->rssDoc = $feed->getFeed($newsfeed->link);
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}
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catch (InvalidArgumentException $e)
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{
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$msg = JText::_('COM_NEWSFEEDS_ERRORS_FEED_NOT_RETRIEVED');
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}
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catch (RunTimeException $e)
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{
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$msg = JText::_('COM_NEWSFEEDS_ERRORS_FEED_NOT_RETRIEVED');
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}
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if (empty($this->rssDoc))
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{
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$msg = JText::_('COM_NEWSFEEDS_ERRORS_FEED_NOT_RETRIEVED');
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}
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$feed_display_order = $params->get('feed_display_order', 'des');
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if ($feed_display_order == 'asc')
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{
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$newsfeed->items = array_reverse($newsfeed->items);
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}
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//Escape strings for HTML output
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$this->pageclass_sfx = htmlspecialchars($params->get('pageclass_sfx'));
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$this->assignRef('params', $params);
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$this->assignRef('newsfeed', $newsfeed);
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$this->assignRef('state', $state);
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$this->assignRef('item', $item);
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$this->assignRef('user', $user);
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if (!empty($msg))
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{
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$this->assignRef('msg', $msg);
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}
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$this->print = $print;
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$item->tags = new JHelperTags;
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$item->tags->getItemTags('com_newsfeeds.newsfeed', $item->id);
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$this->_prepareDocument();
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parent::display($tpl);
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}
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/**
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* Prepares the document
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*
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* @return void
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* @since 1.6
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*/
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protected function _prepareDocument()
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{
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$app = JFactory::getApplication();
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$menus = $app->getMenu();
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$pathway = $app->getPathway();
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$title = null;
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// Because the application sets a default page title,
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// we need to get it from the menu item itself
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$menu = $menus->getActive();
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if ($menu)
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{
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$this->params->def('page_heading', $this->params->get('page_title', $menu->title));
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}
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else
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{
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$this->params->def('page_heading', JText::_('COM_NEWSFEEDS_DEFAULT_PAGE_TITLE'));
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}
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$title = $this->params->get('page_title', '');
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$id = (int) @$menu->query['id'];
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// if the menu item does not concern this newsfeed
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if ($menu && ($menu->query['option'] != 'com_newsfeeds' || $menu->query['view'] != 'newsfeed' || $id != $this->item->id))
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{
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// If this is not a single newsfeed menu item, set the page title to the newsfeed title
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if ($this->item->name)
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{
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$title = $this->item->name;
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}
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$path = array(array('title' => $this->item->name, 'link' => ''));
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$category = JCategories::getInstance('Newsfeeds')->get($this->item->catid);
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while (($menu->query['option'] != 'com_newsfeeds' || $menu->query['view'] == 'newsfeed' || $id != $category->id) && $category->id > 1)
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{
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$path[] = array('title' => $category->title, 'link' => NewsfeedsHelperRoute::getCategoryRoute($category->id));
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$category = $category->getParent();
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}
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$path = array_reverse($path);
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foreach ($path as $item)
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{
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$pathway->addItem($item['title'], $item['link']);
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}
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}
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if (empty($title))
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{
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$title = $app->getCfg('sitename');
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}
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elseif ($app->getCfg('sitename_pagetitles', 0) == 1)
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{
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$title = JText::sprintf('JPAGETITLE', $app->getCfg('sitename'), $title);
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}
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elseif ($app->getCfg('sitename_pagetitles', 0) == 2)
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{
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$title = JText::sprintf('JPAGETITLE', $title, $app->getCfg('sitename'));
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}
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if (empty($title))
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{
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$title = $this->item->name;
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}
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$this->document->setTitle($title);
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if ($this->item->metadesc)
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{
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$this->document->setDescription($this->item->metadesc);
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}
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elseif (!$this->item->metadesc && $this->params->get('menu-meta_description'))
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{
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$this->document->setDescription($this->params->get('menu-meta_description'));
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}
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if ($this->item->metakey)
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{
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$this->document->setMetadata('keywords', $this->item->metakey);
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}
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elseif (!$this->item->metakey && $this->params->get('menu-meta_keywords'))
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{
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$this->document->setMetadata('keywords', $this->params->get('menu-meta_keywords'));
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}
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if ($this->params->get('robots'))
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{
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$this->document->setMetadata('robots', $this->params->get('robots'));
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}
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if ($app->getCfg('MetaTitle') == '1')
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{
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$this->document->setMetaData('title', $this->item->name);
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}
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if ($app->getCfg('MetaAuthor') == '1')
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{
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$this->document->setMetaData('author', $this->item->author);
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}
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$mdata = $this->item->metadata->toArray();
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foreach ($mdata as $k => $v)
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{
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if ($v)
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{
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$this->document->setMetadata($k, $v);
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}
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}
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}
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}
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