'parent',
'id' => 'term_id',
'slug' => 'slug'
);
/**
* Starts the list before the elements are added.
*/
public function start_lvl(&$output, $depth = 0, $args = array()) {
if ('list' != $args ['style'])
return;
$indent = str_repeat ( "\t", $depth );
$output .= "$indent\n";
}
/**
* Ends the list of after the elements are added.
*/
public function end_lvl(&$output, $depth = 0, $args = array()) {
if ('list' != $args ['style'])
return;
$indent = str_repeat ( "\t", $depth );
$output .= "$indent \n";
}
/**
* Start the element output.
*/
public function start_el( &$output, $cat, $depth = 0, $args = array(), $current_object_id = 0 ) {
$link = $this->makeFilteringLink ( $cat );
$activeClassForCheckbox = "";
if ( isset( $_GET ['filter_cat'] )) {
$tempArray = explode ( ",", sanitize_text_field ( $_GET ['filter_cat'] ) );
if ( in_array ( $cat->slug, $tempArray ) ) {
$activeClassForCheckbox = "checked";
}
}
$output .= '';
$output .= '(' . $cat->count . ') ';
}
}
/*
* function to make href on anchor for categories :: start
*/
function haveCommonProducts( $cat ) {
// fetching category product ids
$catProIds = get_posts ( array (
'product_cat' => $cat->slug,
'post_type' => 'product',
'post_status' => 'publish',
'posts_per_page' => '-1',
'fields' => 'ids'
) );
// fetching currently filtered product ids
global $ccas_filtered_pro_ids;
if (! empty ( $ccas_filtered_pro_ids )) {
$commonProIds = array_intersect ( $ccas_filtered_pro_ids, $catProIds );
if (empty ( $commonProIds )) {
return false;
}
return true;
}
return true;
}
/*
* function to make link for the category
*/
function makeFilteringLink( $cat ) {
global $activeProCat;
$activeProCat = true;
// general shop path
// Base Link decided by current page
if (defined ( 'SHOP_IS_ON_FRONT' )) {
$link = home_url ();
} elseif (is_post_type_archive ( 'product' ) || is_page ( wc_get_page_id ( 'shop' ) )) {
$link = get_post_type_archive_link ( 'product' );
} else {
$link = get_term_link ( get_query_var ( 'term' ), get_query_var ( 'taxonomy' ) );
}
// Post Type Arg
if (isset ( $_GET ['post_type'] )) {
$link = add_query_arg ( 'post_type', $_GET ['post_type'], $link );
}
// fetching currently active filters
global $_chosen_attributes;
if (! empty( $_chosen_attributes ) ) {
foreach ( $_chosen_attributes as $key => $arr ) {
if ( $key != 'product_cat' ) {
$tempSlugArray = array ();
foreach ( $arr ['terms'] as $term ) {
$tempSlugArray[] = get_term_by ( 'id', $term, $key, ARRAY_A )[ 'slug' ];
}
$link = add_query_arg ( str_replace ( 'pa_', 'filter_', $key ), implode ( ',', $tempSlugArray ), $link );
} else {
foreach ( $arr ['terms'] as $term ) {
$tempSlugElement = get_term_by ( 'slug', $term, $key, ARRAY_A ) ['slug'];
if ( $tempSlugElement == $cat->slug ) {
$activeProCat = false;
break;
}
}
}
}
if ( $activeProCat ) {
// updated
if ( isset( $_GET['filter_cat'] ) && $_GET['filter_cat'] == $cat->slug ) {
$link = $link;
} else {
$cat_slug_to_use = $cat->slug;
if ( isset( $_GET ['filter_cat'] ) ) {
$applied_filter_cats = explode( ',', $_GET ['filter_cat'] ) ;
if ( ! empty( $applied_filter_cats ) ) {
if ( ! in_array( $cat->slug, $applied_filter_cats ) ) {
$cat_slug_to_use = $_GET [ 'filter_cat' ] . ',' . $cat_slug_to_use;
} else {
/**
* If already assigned then remove this from link.
*/
$currentCatKey = array_search( $cat->slug, $applied_filter_cats );
unset( $applied_filter_cats[ $currentCatKey ] );
$cat_slug_to_use = implode( ',', $applied_filter_cats );
}
}
}
$link = add_query_arg( 'filter_cat', $cat_slug_to_use, $link );
}
}
} else {
$link = add_query_arg ( 'filter_cat', $cat->slug, $link );
}
// checking for price
$min_price = isset ( $_GET ['min_price'] ) ? esc_attr ( $_GET ['min_price'] ) : 0;
$max_price = isset ( $_GET ['max_price'] ) ? esc_attr ( $_GET ['max_price'] ) : 0;
if ( $min_price ) {
$link = add_query_arg ( 'min_price', $min_price, $link );
}
if ( $max_price ) {
$link = add_query_arg ( 'max_price', $max_price, $link );
}
// checking for product-tag
if ( isset( $_GET ['filter_tag'] ) ) {
$link = add_query_arg ( 'filter_tag', sanitize_text_field ( $_GET ['filter_tag'] ), $link );
}
return $link;
}
/**
* Ends the element output, if needed.
*/
public function end_el(&$output, $cat, $depth = 0, $args = array()) {
$output .= " \n";
}
/**
* Traverse elements to create list from elements.
*/
public function display_element($element, &$children_elements, $max_depth, $depth = 0, $args, &$output) {
if (! $element || 0 === $element->count) {
return;
}
parent::display_element ( $element, $children_elements, $max_depth, $depth, $args, $output );
}
}
endif;