<?php
/**
* Page tree template - tpl_nav_page_tree()
*
* @var array $params {
*
* Parameters passed into the template from tpl_nav_page_tree()
*
* @var array $tree Hierarchical array representing the page's family tree
* }
*/
extract($params);
?>
<div class="hide">
<nav class="page-tree move-me" data-break="0" data-move-name="sidebar">
<?php
echo nested_list($tree);
?>
</nav>
</div>
/**
* Generic recursive function to generate a nested list of posts or taxonomy terms
* @param array &$items Array of posts or terms
* @param array $params Parameters array
* @return string HTML
*/
function nested_list(&$items, $params = array())
{
// We need the global post object, so we can identify the active item
global $post;
// Default parameters
$defaults = array('items_wrap' => '<ul class="side-nav">%s</ul>', 'item_wrap' => '<li class="%3$s">%1$s%2$s</li>', 'item_class' => '', 'link_items' => 1, 'object_type' => 'post', 'child_key' => 'children');
$params = array_merge($defaults, $params);
extract($params);
// Prepare empty HTML string
$html = '';
// Loop through each item
foreach ($items as $item) {
// Empty string for child elements
$children = '';
// Empty string for item's HTML
$item_html = '';
$this_item_class = $item_class;
if ($post->ID == $item->ID) {
$this_item_class .= ' active';
}
// If its a post object (any post type)
if ($object_type == 'post') {
// If its an ID, get the post object
if (is_int($item)) {
$item = get_post($item);
}
// Wrap title in permalink by default
if ($link_items) {
$item_html .= '<a href="' . get_permalink($item->ID) . '">' . $item->post_title . '</a>';
// Otherwise just output the title
} else {
$item_html .= $item->post_title;
}
// If there are child items, recursively run this function again to generate a nested list
if (isset($item->{$child_key})) {
$children = nested_list($item->{$child_key}, $params);
}
// If its a taxonomy term
} elseif ($object_type == 'term') {
// TO DO: make this work for taxonomy terms too
}
// Wrap item HTML in our item wrap
$html .= sprintf($item_wrap, $item_html, $children, $this_item_class);
}
// Wrap HTML in our items wrap
$html = sprintf($items_wrap, $html);
return $html;
}
