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<?php
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// $Id: template.php,v 1.1.4.2.2.4 2008/12/28 02:44:37 eric3 Exp $
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/**
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* @file
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* NoProb-specific function definitions.
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*/
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/**
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* Return a multidimensional array of links for a navigation menu.
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*
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* @param $menu_name
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* The name of the menu.
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* @param $level
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* Optional, the depth of the menu to be returned.
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* @return
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* An array of links of the specified menu and level.
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*/
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function noprob_navigation_links($menu_name, $level = 0) {
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// Don't even bother querying the menu table if no menu is specified.
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if (empty($menu_name)) {
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return array();
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}
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// Get the menu hierarchy for the current page.
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$tree_page = menu_tree_page_data($menu_name);
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// Also get the full menu hierarchy.
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$tree_all = menu_tree_all_data($menu_name);
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// Go down the active trail until the right level is reached.
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while ($level-- > 0 && $tree_page) {
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// Loop through the current level's items until we find one that is in trail.
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while ($item = array_shift($tree_page)) {
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if ($item['link']['in_active_trail']) {
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// If the item is in the active trail, we continue in the subtree.
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$tree_page = empty($item['below']) ? array() : $item['below'];
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break;
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}
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}
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}
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return noprob_navigation_links_level($tree_page, $tree_all);
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}
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/**
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* Helper function for noprob_navigation_links to recursively create an array of links.
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* (Both trees are required in order to include every menu item and active trail info.)
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*/
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function noprob_navigation_links_level($tree_page, $tree_all) {
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$links = array();
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foreach ($tree_all as $key => $item) {
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$item_page = $tree_page[$key];
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$item_all = $tree_all[$key];
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if (!$item_all['link']['hidden']) {
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$class = '';
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$l = $item_all['link']['localized_options'];
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$l['href'] = $item_all['link']['href'];
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$l['title'] = $item_all['link']['title'];
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if ($item_page['link']['in_active_trail']) {
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$class = ' active-trail';
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}
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if ($item_all['below']) {
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$l['children'] = noprob_navigation_links_level($item_page['below'], $item_all['below']);
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}
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// Keyed with the unique mlid to generate classes in theme_links().
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$links['menu-'. $item_all['link']['mlid'] . $class] = $l;
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}
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}
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return $links;
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}
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/**
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* Helper function to retrieve the primary links using noprob_navigation_links().
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*/
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function noprob_primary_links() {
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return noprob_navigation_links(variable_get('menu_primary_links_source', 'primary-links'));
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}
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/**
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* Return a themed set of links. (Extended to support multidimensional arrays of links.)
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*
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* @param $links
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* A keyed array of links to be themed.
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* @param $attributes
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* A keyed array of attributes
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* @return
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* A string containing an unordered list of links.
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*/
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function noprob_links($links, $attributes = array('class' => 'links')) {
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$output = '';
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if (count($links) > 0) {
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$output = '<ul'. drupal_attributes($attributes) .'>';
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$num_links = count($links);
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$i = 1;
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foreach ($links as $key => $link) {
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$class = $key;
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// Add first, last and active classes to the list of links to help out themers.
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if ($i == 1) {
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$class .= ' first';
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}
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if ($i == $num_links) {
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$class .= ' last';
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}
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if (isset($link['href']) && ($link['href'] == $_GET['q'] || ($link['href'] == '<front>' && drupal_is_front_page()))) {
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$class .= ' active';
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}
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// Added: if the link has child items, add a haschildren class
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if (isset($link['children'])) {
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$class .= ' haschildren';
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}
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$output .= '<li'. drupal_attributes(array('class' => $class)) .'>';
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if (isset($link['href'])) {
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// Pass in $link as $options, they share the same keys.
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$output .= l($link['title'], $link['href'], $link);
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}
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elseif (!empty($link['title'])) {
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// Some links are actually not links, but we wrap these in <span> for adding title and class attributes
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if (empty($link['html'])) {
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$link['title'] = check_plain($link['title']);
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}
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$span_attributes = '';
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if (isset($link['attributes'])) {
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$span_attributes = drupal_attributes($link['attributes']);
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}
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$output .= '<span'. $span_attributes .'>'. $link['title'] .'</span>';
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}
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// Added: if the link has child items, print them out recursively
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if (isset($link['children'])) {
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$output .= "\n" . theme('links', $link['children'], array('class' => 'sublinks'));
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}
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$i++;
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$output .= "</li>\n";
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}
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$output .= '</ul>';
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}
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return $output;
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}
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