/**
* wpsc_get_term_parents - get all parents of the term
*
* @param int $id - id of the term
* @return array of term objects or empty array if anything went wrong or there were no parents
*/
function wpsc_get_term_parents($term_id, $taxonomy)
{
$term = get_term($term_id, $taxonomy);
if (empty($term->parent)) {
return array();
}
$parent = get_term($term->parent, $taxonomy);
if (is_wp_error($parent)) {
return array();
}
$parents = array($parent->term_id);
if ($parent->parent && $parent->parent != $parent->term_id && !in_array($parent->parent, $parents)) {
$parents = array_merge($parents, wpsc_get_term_parents($parent->term_id, $taxonomy));
}
return $parents;
}
/**
* wpsc print category classes function
* places classes for the category including selected state
*
* please note that "current category" means the category that we are in now,
* and not the category that we are printing for
*
* @param $category_to_print - the category for which we should print classes
* @param $echo - whether to echo the result (true) or return (false)
*/
function wpsc_print_category_classes($category_to_print = false, $echo = true)
{
global $wp_query, $wpdb;
$result = '';
//if we are in wpsc category page then get the current category
$curr_cat = false;
$term = get_query_var('wpsc_product_category');
if (!$term && get_query_var('taxonomy') == 'wpsc_product_category') {
$term = get_query_var('term');
}
if ($term) {
$curr_cat = get_term_by('slug', $term, 'wpsc_product_category');
}
//check if we are in wpsc category page and that we have a term_id of the category to print
//this is done here because none of the following matters if we don't have one of those and we can
//safely return
if (isset($category_to_print['term_id']) && $curr_cat) {
//we will need a list of current category parents for the following if statement
$curr_cat_parents = wpsc_get_term_parents($curr_cat->term_id, 'wpsc_product_category');
//if current category is the same as the one we are printing - then add wpsc-current-cat class
if ($category_to_print['term_id'] == $curr_cat->term_id) {
$result = ' wpsc-current-cat ';
} elseif (in_array($category_to_print['term_id'], $curr_cat_parents)) {
$result = ' wpsc-cat-ancestor ';
}
}
$result = apply_filters('wpsc_print_category_classes', $result, $category_to_print);
if (!empty($result)) {
if ($echo) {
echo $result;
} else {
return $result;
}
}
}
