245 lines
8.8 KiB
PHP
245 lines
8.8 KiB
PHP
<?php
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class FacetWP_Display
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{
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/* (array) Facet types being used on the page */
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public $active_types = [];
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/* (array) Facets being used on the page */
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public $active_facets = [];
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/* (array) Extra features used on the page */
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public $active_extras = [];
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/* (array) Saved shortcode attributes */
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public $shortcode_atts = [];
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/* (boolean) Whether to enable FacetWP for the current page */
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public $load_assets = false;
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/* (array) Scripts and stylesheets to enqueue */
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public $assets = [];
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/* (array) Data to pass to front-end JS */
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public $json = [];
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function __construct() {
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add_filter( 'widget_text', 'do_shortcode' );
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add_action( 'loop_start', [ $this, 'add_template_tag' ] );
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add_action( 'loop_no_results', [ $this, 'add_template_tag' ] );
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add_action( 'wp_footer', [ $this, 'front_scripts' ], 25 );
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add_shortcode( 'facetwp', [ $this, 'shortcode' ] );
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}
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/**
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* Detect the loop container if the "facetwp-template" class is missing
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*/
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function add_template_tag( $wp_query ) {
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if ( true === $wp_query->get( 'facetwp' ) && did_action( 'wp_head' ) ) {
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echo "<!--fwp-loop-->\n";
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}
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}
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/**
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* Set default values for atts
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*
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* Old: [facetwp template="foo" static]
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* New: [facetwp template="foo" static="true"]
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*/
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function normalize_atts( $atts ) {
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foreach ( $atts as $key => $val ) {
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if ( is_int( $key ) ) {
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$atts[ $val ] = true;
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unset( $atts[ $key ] );
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}
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}
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return $atts;
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}
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/**
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* Register shortcodes
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*/
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function shortcode( $atts ) {
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$atts = $this->normalize_atts( $atts );
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$this->shortcode_atts[] = $atts;
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$output = '';
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if ( isset( $atts['facet'] ) ) {
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$facet = FWP()->helper->get_facet_by_name( $atts['facet'] );
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if ( $facet ) {
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$ui = empty( $facet['ui_type'] ) ? $facet['type'] : $facet['ui_type'];
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$ui_attr = empty( $facet['ui_type'] ) ? '' : ' data-ui="' . $ui . '"';
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$output = '<div class="facetwp-facet facetwp-facet-' . $facet['name'] . ' facetwp-type-' . $ui . '" data-name="' . $facet['name'] . '" data-type="' . $facet['type'] . '"' . $ui_attr . '></div>';
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// Build list of active facet types
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$this->active_types[ $facet['type'] ] = $facet['type'];
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$this->active_facets[ $facet['name'] ] = $facet['name'];
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$this->load_assets = true;
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}
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}
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elseif ( isset( $atts['template'] ) ) {
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$template = FWP()->helper->get_template_by_name( $atts['template'] );
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if ( $template ) {
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$class_name = 'facetwp-template';
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// Static template
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if ( isset( $atts['static'] ) ) {
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$renderer = new FacetWP_Renderer();
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$renderer->template = $template;
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$renderer->query_args = $renderer->get_query_args();
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$renderer->query = new WP_Query( $renderer->query_args );
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$html = $renderer->get_template_html();
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$class_name .= '-static';
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}
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// Preload template (search engine visible)
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else {
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global $wp_query;
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$temp_query = $wp_query;
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$args = FWP()->request->process_preload_data( $template['name'] );
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$preload_data = FWP()->facet->render( $args );
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$html = $preload_data['template'];
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$wp_query = $temp_query;
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}
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$output = '<div class="{class}" data-name="{name}">{html}</div>';
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$output = str_replace( '{class}', $class_name, $output );
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$output = str_replace( '{name}', $atts['template'], $output );
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$output = str_replace( '{html}', $html, $output );
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$this->load_assets = true;
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}
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}
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elseif ( isset( $atts['sort'] ) ) {
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$this->active_extras['sort'] = true;
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$output = '<div class="facetwp-sort"></div>';
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}
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elseif ( isset( $atts['selections'] ) ) {
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$output = '<div class="facetwp-selections"></div>';
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}
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elseif ( isset( $atts['counts'] ) ) {
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$this->active_extras['counts'] = true;
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$output = '<div class="facetwp-counts"></div>';
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}
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elseif ( isset( $atts['pager'] ) ) {
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$this->active_extras['pager'] = true;
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$output = '<div class="facetwp-pager"></div>';
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}
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elseif ( isset( $atts['per_page'] ) ) {
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$this->active_extras['per_page'] = true;
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$output = '<div class="facetwp-per-page"></div>';
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}
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$output = apply_filters( 'facetwp_shortcode_html', $output, $atts );
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return $output;
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}
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/**
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* Output facet scripts
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*/
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function front_scripts() {
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// Not enqueued - front.js needs to load before front_scripts()
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if ( apply_filters( 'facetwp_load_assets', $this->load_assets ) ) {
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// Load CSS?
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if ( apply_filters( 'facetwp_load_css', true ) ) {
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$this->assets['front.css'] = FACETWP_URL . '/assets/css/front.css';
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}
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// Load required JS
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$this->assets['front.js'] = FACETWP_URL . '/assets/js/dist/front.min.js';
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// Backwards compat?
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if ( apply_filters( 'facetwp_load_deprecated', false ) ) {
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$this->assets['front-deprecated.js'] = FACETWP_URL . '/assets/js/src/deprecated.js';
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}
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// Load a11y?
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$a11y = FWP()->helper->get_setting( 'load_a11y', 'no' );
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$a11y_hook = apply_filters( 'facetwp_load_a11y', false );
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if ( 'yes' == $a11y || $a11y_hook ) {
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$this->assets['accessibility.js'] = FACETWP_URL . '/assets/js/src/accessibility.js';
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$this->json['a11y'] = [
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'label_page' => __( 'Go to page', 'fwp-front' ),
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'label_page_next' => __( 'Go to next page', 'fwp-front' ),
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'label_page_prev' => __( 'Go to previous page', 'fwp-front' )
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];
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}
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// Pass GET and URI params
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$http_params = [
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'get' => $_GET,
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'uri' => FWP()->helper->get_uri(),
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'url_vars' => FWP()->request->url_vars,
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];
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// See FWP()->facet->get_query_args()
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if ( ! empty( FWP()->facet->archive_args ) ) {
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$http_params['archive_args'] = FWP()->facet->archive_args;
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}
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// Populate the FWP_JSON object
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$this->json['prefix'] = FWP()->helper->get_setting( 'prefix' );
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$this->json['no_results_text'] = __( 'No results found', 'fwp-front' );
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$this->json['ajaxurl'] = get_rest_url() . 'facetwp/v1/refresh';
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$this->json['nonce'] = wp_create_nonce( 'wp_rest' );
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if ( apply_filters( 'facetwp_use_preloader', true ) ) {
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$overrides = FWP()->request->process_preload_overrides([
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'facets' => $this->active_facets,
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'extras' => $this->active_extras,
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]);
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$args = FWP()->request->process_preload_data( false, $overrides );
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$this->json['preload_data'] = FWP()->facet->render( $args );
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}
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ob_start();
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foreach ( $this->active_types as $type ) {
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$facet_class = FWP()->helper->facet_types[ $type ];
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if ( method_exists( $facet_class, 'front_scripts' ) ) {
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$facet_class->front_scripts();
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}
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}
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$inline_scripts = ob_get_clean();
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$assets = apply_filters( 'facetwp_assets', $this->assets );
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foreach ( $assets as $slug => $data ) {
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$data = (array) $data;
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$is_css = ( 'css' == substr( $slug, -3 ) );
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$version = empty( $data[1] ) ? FACETWP_VERSION : $data[1];
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$url = $data[0];
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if ( false !== strpos( $url, 'facetwp' ) ) {
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$prefix = ( false !== strpos( $url, '?' ) ) ? '&' : '?';
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$url .= $prefix . 'ver=' . $version;
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}
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$html = $is_css ? '<link href="{url}" rel="stylesheet">' : '<script src="{url}"></script>';
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$html = apply_filters( 'facetwp_asset_html', $html, $url );
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echo str_replace( '{url}', $url, $html ) . "\n";
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}
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echo $inline_scripts;
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?>
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<script>
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window.FWP_JSON = <?php echo json_encode( $this->json ); ?>;
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window.FWP_HTTP = <?php echo json_encode( $http_params ); ?>;
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</script>
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<?php
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}
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}
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}
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