function SimplelistsBuildRoute(&$query)
{
// Initialize the segments
$segments = array();
// Temporarily extract the Itemid
if (isset($query['Itemid'])) {
$Itemid = $query['Itemid'];
unset($query['Itemid']);
} else {
$Itemid = null;
}
// If this is an item view and we have to hide it
if (!empty($query['view']) && $query['view'] == 'item' && !empty($query['task']) && $query['task'] == 'hidden') {
$segments[] = 'id,' . $query['id'];
unset($query['view']);
unset($query['task']);
unset($query['tmpl']);
unset($query['id']);
return $segments;
}
// Get the menu items for this component
$items = SimplelistsHelperRouter::getMenuItems();
$params =& JComponentHelper::getParams('com_simplelists');
// Break up the slug into numeric and alias values
if (!empty($query['category_id'])) {
$query['slug'] = $query['category_id'];
if (strpos($query['category_id'], ':')) {
list($query['category_id'], $query['alias']) = explode(':', $query['category_id'], 2);
}
}
// If this is an item view
if (!empty($query['view']) && $query['view'] == 'item') {
$segments[] = 'item';
$segments[] = $query['id'];
if (isset($query['category_id'])) {
foreach ($items as $item) {
if (isset($item->query['view']) && isset($item->query['category_id']) && $item->query['view'] == 'items' && $query['category_id'] == $item->query['category_id']) {
$query['Itemid'] = $item->id;
}
}
}
unset($query['view']);
unset($query['task']);
unset($query['tmpl']);
unset($query['id']);
unset($query['slug']);
unset($query['alias']);
unset($query['category_id']);
return $segments;
}
// Search for an appropriate menu item
if (!empty($items) && isset($query['view'])) {
foreach ($items as $item) {
// Matching menu-items only makes sense if there is a "view" and an "id"
if ($params->get('use_parent_url', 0) == 1) {
if (isset($item->query['view']) && isset($item->query['category_id']) && isset($query['view']) && isset($query['category_id'])) {
// Whoever knows how to rewrite the following into something readable, wins my respect
if ($query['view'] == $item->query['view'] && $query['category_id'] == $item->query['category_id']) {
if (empty($query['layout'])) {
$query['Itemid'] = $item->id;
break;
} elseif (empty($query['layout']) && empty($item->query['layout'])) {
$query['Itemid'] = $item->id;
break;
} elseif (!empty($query['layout']) && !empty($item->query['layout']) && $query['layout'] == $item->query['layout']) {
$query['Itemid'] = $item->id;
break;
}
}
}
}
}
}
// Set the alias if it is not present
if (!empty($query['category_id']) && empty($query['alias'])) {
require_once JPATH_SITE . DS . 'administrator' . DS . 'components' . DS . 'com_simplelists' . DS . 'helpers' . DS . 'category.php';
$query['alias'] = SimplelistsCategoryHelper::getAlias($query['category_id']);
}
// Check if the router found an appropriate Itemid
if (!isset($query['Itemid']) || !$query['Itemid'] > 0) {
if ($params->get('sef_url') == 'slug' && !empty($query['slug'])) {
$segments[] = $query['slug'];
} elseif (!empty($query['alias'])) {
$segments[] = $query['alias'];
}
}
// Re-add the router if not existing yet
if (!isset($query['Itemid']) && !empty($Itemid)) {
$query['Itemid'] = $Itemid;
}
// Set the limitstart if needed
if (isset($query['start'])) {
$segments[] = (int) $query['start'];
unset($query['start']);
}
// Unset all unneeded query-parts because they should be now either segmented or referenced from the Itemid
unset($query['view']);
unset($query['category_id']);
unset($query['alias']);
unset($query['slug']);
unset($query['layout']);
// Return the segments
return $segments;
}
public function getUrl($needles = array())
{
// Construct the base-URL
if (empty($needles['view'])) {
$needles['view'] = 'items';
}
$url = 'index.php?option=com_simplelists&view=' . $needles['view'];
// Determine the layout
if (!empty($needles['layout'])) {
$layout = $needles['layout'];
} else {
$layout = JRequest::getCmd('layout');
}
// Add the layout to the URL
if (!empty($layout)) {
$url .= '&layout=' . $layout;
}
// Determine the category alias
if (!empty($needles['category_id'])) {
if (!empty($needles['category_alias'])) {
$category_alias = $needles['category_alias'];
} else {
require_once dirname(__FILE__) . DS . 'category.php';
$category_alias = SimplelistsCategoryHelper::getAlias($category_id);
}
// Append the category ID (and optionally the category alias) to the URL
if (!empty($category_alias)) {
$url .= '&category_id=' . (int) $needles['category_id'] . ':' . $category_alias;
} else {
$url .= '&category_id=' . (int) $needles['category_id'];
}
}
// Append the Itemid to the URL
$Itemid = null;
if (!empty($needles['menu_id']) && $needles['menu_id'] > 0) {
$Itemid = $needles['menu_id'];
}
if (!empty($needles['Itemid']) && $needles['Itemid'] > 0) {
$Itemid = $needles['Itemid'];
}
if ($Itemid > 0) {
// Check whether this Itemid is valid
include_once JPATH_SITE . DS . DS . 'components' . DS . 'com_simplelists' . DS . 'helpers' . DS . 'router.php';
$menu_items = SimplelistsHelperRouter::getMenuItems();
$match = false;
foreach ($menu_items as $menu_item) {
if ($menu_item->id == $Itemid && $menu_item->query['view'] == $needles['view']) {
$match = true;
break;
}
}
// Only if the Itemid is valid, add it to the URL
if ($match == true) {
$url .= '&Itemid=' . $Itemid;
}
}
// Convert the system URL into a SEF URL
$url = JRoute::_($url);
// Append the anchor-name for the item
if (!empty($needles['item_alias'])) {
$url .= '#' . $needles['item_alias'];
} elseif (!empty($needles['item_id']) && $needles['item_id'] > 0) {
$url .= '#item' . (int) $needles['item_id'];
}
return $url;
}