djrmom

<?php
/**
 ** requires at least 3.0.4
 **/
add_filter( 'facetwp_query_args', function( $query_args, $class ) {
	if ( 'posts_template' == $class->ajax_params['template'] && empty( $class->facets ) && $class->is_preload ) {
		$query_args['posts_per_page'] = 1;
	}
	return $query_args;
}, 10, 2 );

djrmom

<?php
/** preload facet for specific page **/
add_filter( 'facetwp_preload_url_vars', function( $url_vars ) {
	if ( 'my_page' == FWP()->helper->get_uri() ) {
		if ( empty( $url_vars ) ) { // or check a specific facet empty( $url_vars['some_facet'] )
			$value = 'something' // 'something' should be looked up for 'my_page'
			$url_vars['some_facet'] = array( $value );
		}
	}
	return $url_vars;

djrmom

<?php
/** to use this make sure all queries to be used 
 ** for facets have 'facetwp' => true in query args, including the
 ** query args setting in a facetwp template
 **/

// add 'facetwp' => false anytime it is not already set
add_action( 'pre_get_posts', function( $query ) {
    if ( ! isset( $query->query_var['facetwp'] ) ) {
	    $query->set( 'facetwp', false );

djrmom

<div id="fwpm-infobox">
<h1 class="fwpm-infobox-title"><?php the_title(); ?></h1>
<div class="fwpm-infobox-content"><?php the_excerpt(); ?></div>
</div>

djrmom

(function($) {
    $(document).on('change', '.facetwp-facet-product_categories', function() { // change product_categories to name of dropdown facet
        FWP.is_reset = true;
        FWP.facets['product_tags'] = []; // set other facet to no selections
        delete FWP.facets['paged']; // remove "paged" from URL
        FWP.refresh();
    });
    $(document).on('change', '.facetwp-facet-product_tags', function() { // change product_tags to name of dropdown facet
        FWP.is_reset = true;
        FWP.facets['product_categories'] = []; // set other facet to no selections

djrmom

<?php

add_filter( 'facetwp_preload_url_vars', function( $url_vars ) {
    if ( 'demo/cars' == FWP()->helper->get_uri() ) {
        if ( empty( $url_vars['make'] ) && empty( $url_vars['other_facet'] ) ) {
            $url_vars['make'] = array( 'audi' );
            $url_vars['other_facet'] = array( 'something' );
        }
    } elseif ( 'demo/otherpage' == FWP()->helper->get_uri() ) {
        if ( empty( $url_vars['make'] ) && empty( $url_vars['other_facet'] ) ) {

djrmom

<?php
// re-index your facets after adding this code
add_filter( 'facetwp_index_row', function( $params, $class ) {
    if ( 'author' == $params['facet_name'] ) {
        $user = get_user_by( 'id', $params['facet_value'] );
        if ( false !== $user ) {
            $params['facet_display_value'] = $user->last_name . ', ' . $user->first_name
        }
    }
    return $params;

djrmom

<?php

/**
 * reindex after adding or updating this filter
 */
add_filter( 'facetwp_index_row', function( $params, $class ) {
	if ( 'date_as_year' == $params['facet_name'] ) { // change date_as_year to name of your facet
		$raw_value = $params['facet_value'];
		$params['facet_value'] = date( 'Y', strtotime( $raw_value ) );
		$params['facet_display_value'] = $params['facet_value'];

djrmom

$(document).on('facetwp-loaded', function() {
  $('.facetwp-facet').each(function() {
    var facet_name = $(this).attr('data-name');
    var facet_label = FWP.settings.labels[facet_name];
    if ( 'undefined' !== typeof FWP.settings.num_choices[facet_name] && FWP.settings.num_choices[facet_name] > 0 && $('.facet-label[data-for="' + facet_name + '"]').length < 1 ) {
      $(this).before('<h3 class="facet-label" data-for="' + facet_name + '">' + facet_label + '</h3>');
    }
  });
});

djrmom

<?php

/**
 * attaches a click even to a div that selects all of a checkbox facets available options and triggers a refresh
 * change "product_categories" to the name of your facet
 * <div class="facetwp-checkbox select-all">Select all</div> creates a div that looks like facet checkboxes
 *
 */
add_action( 'wp_head', function() { ?>
	<script>