sourceforge-ossez/oss/joomla/trunk/components/com_apoll/router.php

<?php
# @version $Id: components/com_apoll/router.php 02.11.09 14:34
# @package: Apoll Vote
# ===================================================
# @author
# Name: Hristo Genev
# Email: [email protected]
# Url: http://www.afactory.org
# ===================================================
# @copyright Copyright (C) 2008 aFactory.org All rights reserved.
# @license see http://www.gnu.org/licenses/lgpl.html GNU/LGPL.
# You can use, redistribute this file and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation.
# License http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL, see LICENSE.php

/**
 * @param	array
 * @return	array
 */
function ApollBuildRoute( &$query )
{
	static $items;

	$segments	= array();
	$itemid		= null;

	// Break up the poll id into numeric and alias values.
	if (isset($query['id']) && strpos($query['id'], ':')) {
		list($query['id'], $query['alias']) = explode(':', $query['id'], 2);
	}

	// Get the menu items for this component.
	if (!$items) {
		$component	= &JComponentHelper::getComponent('com_apoll');
		$menu		= &JSite::getMenu();
		$items		= $menu->getItems('componentid', $component->id);
	}

	// Search for an appropriate menu item.
	// First we will search for menu item linking to this poll, 
	// if we can't find we will look for a menu item linking to the apolls view.
	
	if (is_array($items))
	{
		// If only the option and itemid are specified in the query, return that item.
		if (!isset($query['view']) && !isset($query['id']) && isset($query['Itemid'])) {
			$itemid = (int) $query['Itemid'];
		}
 
		// Search for a menu that links to the same view and id
		if (!$itemid) {
			foreach ($items as $item)
			{
				// Check if this menu item links to this view.
				// menu-view must be equal to the query-view
				// also menu-id must be equal to the query-id
				if (isset($item->query['view']) && isset($query['view'])
					&& $item->query['view'] == $query['view']
					&& isset($item->query['id']) 
					&& $item->query['id'] == $query['id'])
				{
					$itemid	= $item->id;
					
				}
			}
		}

		// If no specific link has been found, search for a general one.
		// Search for a menu linking to apolls view
		if (!$itemid) {
			foreach ($items as $item)
			{
				if (isset($query['view']) && $query['view'] == 'apoll' && isset($item->query['view']) && $item->query['view'] == 'apolls')
				{
					// Check for an undealt with poll id.
					if (isset($query['id']))
					{
						// This menu item links to the apolls view but we need to append the poll id to it.
						$itemid		= $item->id;
						$segments[]	= isset($query['alias']) ? $query['id'].':'.$query['alias'] : $query['id'];
						break;
					}
				}
			}
		}
	}

	// Check if the router found an appropriate itemid.
	if (!$itemid)
	{
		//if item id was not found that means that there is no link to either apolls view or apoll view
		// Check if a id was specified.
		if (isset($query['id']))
		{
			if (isset($query['alias'])) {
				$query['id'] .= ':'.$query['alias'];
			}

			// Push the id onto the stack.
			$segments[] = 'apoll';
			$segments[] = $query['id'];
			
			unset($query['id']);
			unset($query['alias']);
		}
		unset($query['view']);
	}
	else
	{
		$query['Itemid'] = $itemid;

		// Remove the unnecessary URL segments.
		unset($query['view']);
		unset($query['id']);
		unset($query['alias']);
	}
	//print_r($segments); exit; 
	return $segments;
}

/**
 * @param	array
 * @return	array
 */
function ApollParseRoute( $segments )
{
	$vars = array();

	//Get the active menu item if there is a menu link to apolls view
	$menu	=& JSite::getMenu();
	$item	=& $menu->getActive();
	// Count route segments
	$count	= count( $segments );
	
	//if item is not set, there is no menu linking to this view - apoll
	if(!isset($item))
	{
		$vars['view']	= 'apoll';
		$vars['id']    = $segments[$count - 1];
		return $vars;
	}
	//if there is a menu to apolls view ->
	$vars['view']	= 'apoll';
	$vars['id']		= $segments[$count-1];

	return $vars;
}