cross_count ) ? esc_attr( $term->cross_count ) : '';
$css_classes = array(
0 => 'wpc-checkbox-item',
1 => 'wpc-term-item',
3 => 'wpc-term-count-' . $cross_count,
4 => 'wpc-term-id-'.$id,
5 => $hidden_class_for_apply_button_mode,
6 => $more_less_hidden_class,
7 => esc_attr($show_with_parent_class),
);
if( $this->max_depth > 0 ) {
$visibility_class = flrt_get_status_css_class( $id, FLRT_HIERARCHY_LIST_COOKIE_NAME );
// If has already saved visibility class
if ( $visibility_class === '' ) {
// If there is no saved visibility class
$parent_opened_elements_flipped = array_flip( $this->parent_opened_elements );
if ( isset( $parent_opened_elements_flipped[$id] ) ) {
$visibility_class = 'wpc-opened';
}
if ( $this->has_children && $checked && $visibility_class === '' ) {
$visibility_class = 'wpc-opened';
}
}
$css_classes[] = $visibility_class;
}
if( $checked ){
$css_classes[2] = 'wpc-term-selected';
}
if( $disabled ){
$css_classes[] = 'wpc-term-disabled';
}
if( $this->has_children ){
$css_classes[] = 'wpc-has-children';
$toggleButton = '';
$output .= "$link\n";
$output .= " \n";
$output .= $toggleButton;
$output .= "
\n";
}
/**
* Ends the element output, if needed.
*
* @since 2.1.0
*
* @see Walker::end_el()
*
* @param string $output Used to append additional content (passed by reference).
* @param object $page Not used.
* @param int $depth Optional. Depth of category. Not used.
* @param array $args Optional. An array of arguments. Only uses 'list' for whether should append
* to output. See wp_list_categories(). Default empty array.
*/
public function end_el( &$output, $page, $depth = 0, $args = array() ) {
$output .= "\n";
}
public function walk( $elements, $max_depth, ...$args ) {
$output = '';
$this->max_depth = $max_depth;
// Invalid parameter or nothing to walk.
if ( $max_depth < -1 || empty( $elements ) ) {
return $output;
}
$parent_field = $this->db_fields['parent'];
// Flat display.
$flrt_more_less_count = flrt_more_less_count();
$isParentFilter = flrtParentFilter($args[0]['filter']);
$hidden_terms_count = 1;
if ( -1 == $max_depth ) {
$empty_array = array();
foreach ( $elements as $e ) {
if ( $args[0]['isMoreLess'] ) {
$is_visible = !$isParentFilter || ( isset( $e->show_with_parent ) && $e->show_with_parent === true ) || !isset( $e->show_with_parent );
$has_results = !$args[0]['is_hide_empty_terms'] || $e->cross_count > 0;
if ( $is_visible && $has_results ) {
if ( $hidden_terms_count <= $flrt_more_less_count ) {
$e->apply_button_style = true;
}
$hidden_terms_count++;
}
}
$this->display_element( $e, $empty_array, 1, 0, $args, $output );
}
return $output;
}
/*
* Need to display in hierarchical order.
* Separate elements into two buckets: top level and children elements.
* Children_elements is two dimensional array, eg.
* Children_elements[10][] contains all sub-elements whose parent is 10.
*/
$top_level_elements = array();
$children_elements = array();
$parent_opened_elements = array();
foreach ( $elements as $e ) {
if ( empty( $e->$parent_field ) ) {
$top_level_elements[] = $e;
} else {
$children_elements[ $e->$parent_field ][] = $e;
}
if( ! empty( $args[0]['filter']['values'] ) ){
if( in_array( $e->slug, $args[0]['filter']['values'] ) ){
$parent_opened_elements[] = $e->$parent_field;
flrt_get_all_parents( $elements, $e->$parent_field, $parent_opened_elements );
}
}
}
$this->parent_opened_elements = array_unique($parent_opened_elements);
$this->has_not_empty_children = flrt_get_parents_with_not_empty_children($elements);
/*
* When none of the elements is top level.
* Assume the first one must be root of the sub elements.
*/
if ( empty( $top_level_elements ) ) {
$first = array_slice( $elements, 0, 1 );
$root = $first[0];
$top_level_elements = array();
$children_elements = array();
foreach ( $elements as $e ) {
if ( $root->$parent_field == $e->$parent_field ) {
$top_level_elements[] = $e;
} else {
$children_elements[ $e->$parent_field ][] = $e;
}
}
}
/*
* Same More/Less marking as in the flat branch above. Only top-level terms
* are counted: the reveal CSS (.wpc-filters-ul-list > li.wpc-not-hidden-term)
* targets direct children of the list, nested children follow their parent.
* Without this, a hierarchical More/Less list renders with all terms hidden
* until JS re-marks them.
*/
if ( $args[0]['isMoreLess'] ) {
$has_not_empty_children_flipped = array_flip( $this->has_not_empty_children );
foreach ( $top_level_elements as $e ) {
$is_visible = !$isParentFilter || ( isset( $e->show_with_parent ) && $e->show_with_parent === true ) || !isset( $e->show_with_parent );
$has_results = !$args[0]['is_hide_empty_terms'] || $e->cross_count > 0 || isset( $has_not_empty_children_flipped[ $e->term_id ] );
if ( $is_visible && $has_results ) {
if ( $hidden_terms_count <= $flrt_more_less_count ) {
$e->apply_button_style = true;
}
$hidden_terms_count++;
}
}
}
foreach ( $top_level_elements as $e ) {
$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
}
/*
* If we are displaying all levels, and remaining children_elements is not empty,
* then we got orphans, which should be displayed regardless.
*/
if ( ( 0 == $max_depth ) && count( $children_elements ) > 0 ) {
$empty_array = array();
foreach ( $children_elements as $orphans ) {
foreach ( $orphans as $op ) {
$this->display_element( $op, $empty_array, 1, 0, $args, $output );
}
}
}
return $output;
}
}