djrmom

(function($) {
  $(document).on('click', '#reset', function() {
    FWP.is_reset = true;
    FWP.facets['my_facet'] = []; // set facet to no selections
    delete FWP.facets['paged']; // remove "paged" from URL
    FWP.refresh();
  });
})(jQuery);

djrmom

<?php add_filter( 'facetwp_index_row', function( $params, $class ) {
	if ( 'my_facet' == $params['facet_name'] ) { // change my_facet
		if ( !empty( $params['parent_id'] ) ) {
			$params['facet_value'] = ''; // skip indexing
		}
	}
	return $params;
}, 10, 2 );

djrmom

<?php
/** adds a "View All" index value to every post
 ** change 'my_radio' to the name of the radio facet to apply to
 ** 'View All' can be changed to whatever label is preferred
 ** reindex after add this code
 **/

add_filter( 'facetwp_indexer_row_data', function( $rows, $params ) {
  if ( 'my_radio' == $params['facet']['name'] ) {
    $new_row = $params['defaults'];

djrmom

<?php

add_filter( 'facetwp_index_row', function( $params, $class ) {
	if ( 'sub_categories' == $params['facet_name'] ) { // change sub_categories to name of your facet
		$parents = array( 18, 20 ); // change to ids of your parent terms
		if ( ! isset( $params['parent_id'] ) || ! in_array( $params['parent_id'], $parents ) ) {
			$params['facet_value'] = ''; // skip indexing
		}
	}
	return $params;

djrmom

<?php
/**
 * filter html for sort to output radio buttons
 */
add_filter( 'facetwp_sort_html', function( $output, $params ) {
	$output = '<div class="facetwp-sort-radio">';
	foreach ( $params['sort_options'] as $key => $atts ) {
		$output .= '<input type="radio" name="sort" value="' . $key . '"> ' . $atts['label'] . '<br>';
	}
	$output .= '</div>';

djrmom

<?php

add_filter( 'facetwp_index_row', function( $params, $class ) {
	if ( 'product_proximity' == $params['facet_name'] ) {
		$latlng = $params['facet_display_value'];

		if ( is_string( $latlng ) ) {
			$latlng = preg_replace( '/[^0-9.,-]/', '', $latlng );

			if ( preg_match( "/^([\d.-]+),([\d.-]+)$/", $latlng ) ) {

djrmom

<?php

/**
 * add additional source to select as Taxonomy Types
 */
add_filter( 'facetwp_facet_sources', function( $sources ) {

	$sources['posts']['choices']['tax_type'] = 'Taxonomy Types';
	return $sources;

djrmom

<?php
/**
 ** filter on facetwp_index_row to index only direct children of a parent term
 ** this is for use with Parent term setting which by default indexes child terms, and grand child terms, etc
 ** If you want to have the index include posts of child/grandchild, etc of terms, you need to set Hierarchical to yes
 **/

add_filter( 'facetwp_index_row', function( $params, $class ) {
	if ( in_array( $params['facet_name'], array( 'my_facet', 'my_other_facet' ) ) ) { // create an array of facet names to check against
	    $parent = $class->facet['parent_term']; // this gives the parent term from the facet's settings

djrmom

<script>
        (function($) {
            /**
             * creates a parent -> child -> grandchild dependency to disable facets
             */
            $(document).on('facetwp-loaded', function() {
                if ('undefined' !== typeof FWP.facets['product_categories'] && FWP.facets['product_categories'].length < 1 ) {
                    $( '.facetwp-facet-product_tags select, .facetwp-facet-rating select').prop('disabled', 'disabled');
                } else if ('undefined' !== typeof FWP.facets['product_tags'] && FWP.facets['product_tags'].length < 1 ) {
                    $( '.facetwp-facet-rating select').prop('disabled', 'disabled');

djrmom

/**
 ** facet classes
 **/

.facetwp-facet {
  /* class of div that wraps each facet type */
}
.facetwp-facet-FACET-NAME {
  /* class for a facet where facet name is FACET-NAME, applied to same div as .facetwp-facet */
}