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

defined('_JEXEC') or die;

/**
 * Helper for mod_breadcrumbs
 *
 * @since  1.5
 */
class ModBreadCrumbsHelper
{
	/**
	 * Retrieve breadcrumb items
	 *
	 * @param   \Joomla\Registry\Registry  &$params  module parameters
	 *
	 * @return array
	 */
	public static function getList(&$params)
	{
		// Get the PathWay object from the application
		$app     = JFactory::getApplication();
		$pathway = $app->getPathway();
		$items   = $pathway->getPathWay();
		$lang    = JFactory::getLanguage();
		$menu    = $app->getMenu();

		// Look for the home menu
		if (JLanguageMultilang::isEnabled())
		{
			$home = $menu->getDefault($lang->getTag());
		}
		else
		{
			$home  = $menu->getDefault();
		}

		$count = count($items);

		// Don't use $items here as it references JPathway properties
directly
		$crumbs = array();

		for ($i = 0; $i < $count; $i ++)
		{
			$crumbs[$i]       = new stdClass;
			$crumbs[$i]->name =
stripslashes(htmlspecialchars($items[$i]->name, ENT_COMPAT,
'UTF-8'));
			$crumbs[$i]->link = !is_null($items[$i]->link) ?
JRoute::_($items[$i]->link) : '';
		}

		if ($params->get('showHome', 1))
		{
			$item       = new stdClass;
			$item->name = htmlspecialchars($params->get('homeText',
JText::_('MOD_BREADCRUMBS_HOME')), ENT_COMPAT,
'UTF-8');
			$item->link = JRoute::_('index.php?Itemid=' .
$home->id);
			array_unshift($crumbs, $item);
		}

		return $crumbs;
	}

	/**
	 * Set the breadcrumbs separator for the breadcrumbs display.
	 *
	 * @param   string  $custom  Custom xhtml compliant string to separate the
items of the breadcrumbs
	 *
	 * @return  string	Separator string
	 *
	 * @since   1.5
	 */
	public static function setSeparator($custom = null)
	{
		$lang = JFactory::getLanguage();

		// If a custom separator has not been provided we try to load a template
		// specific one first, and if that is not present we load the default
separator
		if ($custom === null)
		{
			if ($lang->isRtl())
			{
				$_separator = JHtml::_('image',
'system/arrow_rtl.png', null, null, true);
			}
			else
			{
				$_separator = JHtml::_('image', 'system/arrow.png',
null, null, true);
			}
		}
		else
		{
			$_separator     = htmlspecialchars($custom, ENT_COMPAT,
'UTF-8');
		}

		return $_separator;
	}
}