/**
* Returns HTML fragment containing a section title
*
* @param array $args widget args, as passed to WP_Widget::widget
* @param array $instance widget instance args, as passed to WP_Widget::widget
* @return string HTML fragment with title
*/
public function section_title($args, $instance)
{
global $post;
$html = $title = $href = '';
$section_id = 0;
// Determine which post to use for the section title
if ($instance['navigation_style'] != 'site') {
// Gather ancestors
$sections = bu_navigation_gather_sections($post->ID, array('post_types' => $post->post_type));
// Adaptive navigation style uses the grandparent of current post
if ($instance['navigation_style'] == 'adaptive') {
$grandparent_offset = count($sections) - 2;
// If the current page is the last item, go up one further
if (end($sections) == $post->ID) {
$grandparent_offset--;
}
if (isset($sections[$grandparent_offset])) {
$section_id = $sections[$grandparent_offset];
}
} else {
// Default to top level post (if we have one)
if (isset($sections[1])) {
$section_id = $sections[1];
}
}
}
// Use section post for title
if ($section_id) {
$section = get_post($section_id);
// Prevent usage of non-published posts as titles
if ('publish' === $section->post_status) {
// Second argument prevents usage of default (no title) label
$title = bu_navigation_get_label($section, '');
$href = get_permalink($section->ID);
}
}
// Fallback to site title if we're still empty
if (empty($title)) {
$title = get_bloginfo('name');
$href = trailingslashit(get_bloginfo('url'));
}
if ($title && $href) {
$html = sprintf("<a class=\"content_nav_header\" href=\"%s\">%s</a>\n", esc_attr($href), $title);
}
return $html;
}
public function get_post_breadcrumbs($post)
{
$output = "<ul id=\"bu-post-breadcrumbs\">";
// Manually fetch ancestors to get around BU WP core mod...
$ancestors = array($post);
while ($post->post_parent != 0) {
$post = get_post($post->post_parent);
array_push($ancestors, $post);
}
// Start from the root
$ancestors = array_reverse($ancestors);
// Print markup
foreach ($ancestors as $ancestor) {
$label = bu_navigation_get_label($ancestor);
if ($ancestor != end($ancestors)) {
$output .= "<li>" . $label . "<ul>";
} else {
$output .= "<li class=\"current\">" . $label;
$output .= str_repeat("</li></ul>", count($ancestors));
}
}
return $output;
}
