/**
* Start the element output.
*
* @see Walker::start_el()
*
* @param string Passed by reference. Used to append additional content.
* @param object Taxonomy data object.
* @param int Depth of category in reference to parents. Default 0.
* @param array An array of arguments. @see wp_list_categories()
* @param int ID of the current category.
*/
function start_el(&$output, $taxonomy_object, $depth = 0, $args = array(), $id = 0)
{
if (isset($this->mla_terms[$taxonomy_object->term_taxonomy_id])) {
$taxonomy_object->count = $this->mla_terms[$taxonomy_object->term_taxonomy_id];
}
parent::start_el($output, $taxonomy_object, $depth, $args, $id);
}
/**
* Code that appends posts when a child node is reached
*/
function end_el(&$output, $object, $depth = 0, $args = array())
{
$tax_name = $args['taxonomy'];
// use cat_id for category and slug for all other taxonomy
$term_id = $tax_name == 'category' ? $object->cat_ID : $object->slug;
$query_args = array('post_type' => $args['post_type'], 'post_status' => 'publish', 'posts_per_page' => -1, "{$tax_name}" => $term_id, 'meta_query' => array('relation' => 'OR', array('key' => WPSEO_Meta::$meta_prefix . 'meta-robots-noindex', 'value' => '', 'compare' => 'NOT EXISTS'), array('key' => WPSEO_Meta::$meta_prefix . 'meta-robots-noindex', 'value' => '1', 'compare' => '!='), array('key' => WPSEO_Meta::$meta_prefix . 'sitemap-html-include', 'value' => 'always', 'compare' => '=')));
$posts = get_posts($query_args);
if (is_array($posts) && $posts !== array()) {
$output .= '<ul>';
foreach ($posts as $post) {
$category = get_the_terms($post->ID, $tax_name);
if ($category) {
// reset array to get the first element
$category = reset($category);
// Only display a post link once, even if it's in multiple taxonomies
if ($category->term_id == $object->term_id && !in_array($post->ID, $this->processed_post_ids)) {
$this->processed_post_ids[] = $post->ID;
$output .= '<li><a href="' . esc_url(get_permalink($post->ID)) . '">' . get_the_title($post->ID) . '</a></li>';
}
}
}
$output .= '</ul>';
}
parent::end_el($output, $object, $depth, $args);
}
function display_element($element, &$children_elements, $max_depth, $depth = 0, $args, &$output)
{
/*$display = false;
$id = $element->term_id;
$display = true;
if ( isset( $children_elements[ $id ] ) ) {
// the current term has children
foreach ( $children_elements[ $id ] as $child ) {
if ( in_array( $child->term_id, $this->term_ids ) ) {
// one of the term's children is in the list
$display = true;
// can stop searching now
break;
}
}
}
if ( $display )*/
parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output);
}
function display_element($element, &$children_elements, $max_depth, $depth = 0, $args, &$output)
{
parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output);
}
/**
* Traverse elements to create list from elements.
*
* Display one element if the element doesn't have any children otherwise,
* display the element and its children. Will only traverse up to the max
* depth and no ignore elements under that depth.
*
* This method shouldn't be called directly, use the walk() method instead.
*
* @see Walker::start_el()
* @since 2.5.0
*
* @param object $element Data object
* @param array $children_elements List of elements to continue traversing.
* @param int $max_depth Max depth to traverse.
* @param int $depth Depth of current element.
* @param array $args
* @param string $output Passed by reference. Used to append additional content.
* @return null Null on failure with no changes to parameters.
*/
public function display_element($element, &$children_elements, $max_depth, $depth, $args, &$output)
{
if (!$element) {
return;
}
$id_field = $this->db_fields['id'];
// Display this element.
if (is_object($args[0])) {
$args[0]->has_children = !empty($children_elements[$element->{$id_field}]);
}
parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output);
}
public function start_el(&$output, $category, $depth, $args)
{
parent::start_el($output, $category, $depth, $args);
$find = 'cat-item-' . $category->term_id . '"';
$replace = $category->slug . '"';
$output = str_replace($find, $replace, $output);
}
