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/home/develito/www/components/com_dmod/helpers/route.php

<?php
/*------------------------------------------------------------------------
# com_dmod - Dmod Module Manager
# ------------------------------------------------------------------------
# author    Jesus Vargas Garita
# copyright Copyright (C) 2010 www.joomlahill.com. All Rights Reserved.
# @license - http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
# Websites: http://www.joomlahill.com
# Technical Support:  Forum - http://www.joomlahill.com/forum
-------------------------------------------------------------------------*/
 
// No direct access
defined('_JEXEC') or die;

jimport('joomla.application.component.helper');
jimport('joomla.application.categories');

abstract class DmodHelperRoute
{
	protected static $lookup;
	
	public static function getDmodRoute($id, $catid)
	{
		$needles = array(
			'dmod'  => array((int) $id)
		);
		//Create the link
		$link = 'index.php?option=com_dmod&view=dmod&id='. $id;
		if ($catid > 1)
		{
			$categories = JCategories::getInstance('Dmod');
			$category = $categories->get($catid);
			if ($category) {
				$needles['category'] = array_reverse($category->getPath());
				$needles['categories'] = $needles['category'];
				$link .= '&catid='.$catid;
			}
		}

if ($item = self::_findItem($needles)) {
			$link .= '&Itemid='.$item;
		}
		elseif ($item = self::_findItem()) {
			$link .= '&Itemid='.$item;
		}

return $link;
	}

public static function getCategoryRoute($catid)
	{
		if ($catid instanceof JCategoryNode)
		{
			$id = $catid->id;
			$category = $catid;
		}
		else
		{
			$id = (int) $catid;
			$category = JCategories::getInstance('Dmod')->get($id);
		}

if($id < 1)
		{
			$link = '';
		}
		else
		{
			$needles = array(
				'category' => array($id)
			);

if ($item = self::_findItem($needles))
			{
				$link = 'index.php?Itemid='.$item;
			}
			else
			{
				//Create the link
				$link = 'index.php?option=com_dmod&view=category&id='.$id;
				if($category)
				{
					$catids = array_reverse($category->getPath());
					$needles = array(
						'category' => $catids,
						'categories' => $catids
					);
					if ($item = self::_findItem($needles)) {
						$link .= '&Itemid='.$item;
					}
					elseif ($item = self::_findItem()) {
						$link .= '&Itemid='.$item;
					}
				}
			}
		}

return $link;
	}

protected static function _findItem($needles = null)
	{
		$app		= JFactory::getApplication();
		$menus		= $app->getMenu('site');

// Prepare the reverse lookup array.
		if (self::$lookup === null)
		{
			self::$lookup = array();

$component	= JComponentHelper::getComponent('com_dmod');
			$items		= $menus->getItems('component_id', $component->id);
			foreach ($items as $item)
			{
				if (isset($item->query) && isset($item->query['view']))
				{
					$view = $item->query['view'];
					if (!isset(self::$lookup[$view])) {
						self::$lookup[$view] = array();
					}
					if (isset($item->query['id'])) {
						self::$lookup[$view][$item->query['id']] = $item->id;
					}
				}
			}
		}

if ($needles)
		{
			foreach ($needles as $view => $ids)
			{
				if (isset(self::$lookup[$view]))
				{
					foreach($ids as $id)
					{
						if (isset(self::$lookup[$view][(int)$id])) {
							return self::$lookup[$view][(int)$id];
						}
					}
				}
			}
		}
		else
		{
			$active = $menus->getActive();
			if ($active) {
				return $active->id;
			}
		}

return null;
	}
}