278 lines
9.5 KiB
PHP
278 lines
9.5 KiB
PHP
<?php
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class FacetWP_Facet_Pager extends FacetWP_Facet
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{
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public $pager_args;
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function __construct() {
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$this->label = __( 'Pager', 'fwp' );
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$this->fields = [ 'pager_type', 'inner_size', 'dots_label', 'prev_label', 'next_label',
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'count_text_plural', 'count_text_singular', 'count_text_none', 'load_more_text',
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'loading_text', 'default_label', 'per_page_options' ];
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}
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/**
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* Generate the facet HTML
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*/
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function render( $params ) {
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$facet = $params['facet'];
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$pager_type = $facet['pager_type'];
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$this->pager_args = FWP()->facet->pager_args;
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$method = 'render_' . $pager_type;
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if ( method_exists( $this, $method ) ) {
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return $this->$method( $facet );
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}
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}
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function render_numbers( $facet ) {
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$inner_size = (int) $facet['inner_size'];
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$dots_label = facetwp_i18n( $facet['dots_label'] );
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$prev_label = facetwp_i18n( $facet['prev_label'] );
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$next_label = facetwp_i18n( $facet['next_label'] );
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$output = '';
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$page = (int) $this->pager_args['page'];
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$total_pages = (int) $this->pager_args['total_pages'];
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$inner_first = max( $page - $inner_size, 2 );
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$inner_last = min( $page + $inner_size, $total_pages - 1 );
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if ( 1 < $total_pages ) {
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// Prev button
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if ( 1 < $page && '' != $prev_label ) {
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$output .= $this->render_page( $page - 1, $prev_label, 'prev' );
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}
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// First page
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$output .= $this->render_page( 1, false, 'first' );
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// Dots
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if ( 2 < $inner_first && '' != $dots_label ) {
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$output .= $this->render_page( '', $dots_label, 'dots' );
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}
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for ( $i = $inner_first; $i <= $inner_last; $i++ ) {
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$output .= $this->render_page( $i );
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}
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// Dots
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if ( $inner_last < $total_pages - 1 && '' != $dots_label ) {
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$output .= $this->render_page( '', $dots_label, 'dots' );
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}
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// Last page
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$output .= $this->render_page( $total_pages, false, 'last' );
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// Next button
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if ( $page < $total_pages && '' != $next_label ) {
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$output .= $this->render_page( $page + 1, $next_label, 'next' );
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}
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}
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return '<div class="facetwp-pager">' . $output . '</div>';
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}
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function render_page( $page, $label = false, $extra_class = false ) {
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$label = ( false === $label ) ? $page : $label;
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$class = 'facetwp-page';
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if ( ! empty( $extra_class ) ) {
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$class .= ' ' . $extra_class;
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}
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if ( $page == $this->pager_args['page'] ) {
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$class .= ' active';
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}
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$data = empty( $page ) ? '' : ' data-page="' . $page . '"';
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$html = '<a class="' . $class . '"' . $data . '>' . $label . '</a>';
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return apply_filters( 'facetwp_facet_pager_link', $html, [
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'page' => $page,
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'label' => $label,
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'extra_class' => $extra_class
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]);
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}
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function render_counts( $facet ) {
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$text_singular = facetwp_i18n( $facet['count_text_singular'] );
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$text_plural = facetwp_i18n( $facet['count_text_plural'] );
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$text_none = facetwp_i18n( $facet['count_text_none'] );
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$page = $this->pager_args['page'];
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$per_page = $this->pager_args['per_page'];
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$total_rows = $this->pager_args['total_rows'];
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$total_pages = $this->pager_args['total_pages'];
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if ( -1 == $per_page ) {
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$per_page = $total_rows;
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}
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if ( 1 < $total_rows ) {
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$lower = ( 1 + ( ( $page - 1 ) * $per_page ) );
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$upper = ( $page * $per_page );
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$upper = ( $total_rows < $upper ) ? $total_rows : $upper;
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// If a load_more pager is in use, force $lower = 1
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if ( FWP()->helper->facet_setting_exists( 'pager_type', 'load_more' ) ) {
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$lower = 1;
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}
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$output = $text_plural;
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$output = str_replace( '[lower]', $lower, $output );
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$output = str_replace( '[upper]', $upper, $output );
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$output = str_replace( '[total]', $total_rows, $output );
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$output = str_replace( '[page]', $page, $output );
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$output = str_replace( '[per_page]', $per_page, $output );
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$output = str_replace( '[total_pages]', $total_pages, $output );
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}
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else {
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$output = ( 0 < $total_rows ) ? $text_singular : $text_none;
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}
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return $output;
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}
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function render_load_more( $facet ) {
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$text = facetwp_i18n( $facet['load_more_text'] );
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$loading_text = facetwp_i18n( $facet['loading_text'] );
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return '<button class="facetwp-load-more" data-loading="' . esc_attr( $loading_text ) . '">' . esc_attr( $text ) . '</button>';
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}
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function render_per_page( $facet ) {
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$default = facetwp_i18n( $facet['default_label'] );
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$options = explode( ',', $facet['per_page_options'] );
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$options = array_map( 'trim', $options );
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$output = '';
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if ( ! empty( $default ) ) {
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$output .= '<option value="">' . esc_attr( $default ) . '</option>';
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}
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$per_page = $this->pager_args['per_page'];
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$var_exists = isset( FWP()->request->url_vars['per_page'] );
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foreach ( $options as $option ) {
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$val = $label = $option;
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// Support "All" option
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if ( ! ctype_digit( $val ) ) {
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$val = -1;
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$label = facetwp_i18n( $label );
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}
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$selected = ( $var_exists && $val == $per_page ) ? ' selected' : '';
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$output .= '<option value="' . $val . '"' . $selected . '>' . esc_attr( $label ) . '</option>';
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}
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return '<select class="facetwp-per-page-select">' . $output . '</select>';
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}
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/**
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* Filter the query based on selected values
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*/
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function filter_posts( $params ) {
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return 'continue';
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}
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/**
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* (Front-end) Attach settings to the AJAX response
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*/
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function settings_js( $params ) {
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$facet = $params['facet'];
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return [
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'pager_type' => $facet['pager_type']
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];
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}
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function register_fields() {
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return [
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'pager_type' => [
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'type' => 'select',
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'label' => __( 'Pager type', 'fwp' ),
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'choices' => [
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'numbers' => __( 'Page numbers', 'fwp' ),
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'counts' => __( 'Result counts', 'fwp' ),
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'load_more' => __( 'Load more', 'fwp' ),
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'per_page' => __( 'Per page', 'fwp' )
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]
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],
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'inner_size' => [
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'label' => __( 'Inner size', 'fwp' ),
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'notes' => 'Number of pages to show on each side of the current page',
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'default' => 2,
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'show' => "facet.pager_type == 'numbers'"
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],
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'dots_label' => [
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'label' => __( 'Dots label', 'fwp' ),
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'notes' => 'The filler between the inner and outer pages',
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'default' => '…',
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'show' => "facet.pager_type == 'numbers'"
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],
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'prev_label' => [
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'label' => __( 'Prev button label', 'fwp' ),
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'notes' => 'Leave blank to hide',
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'default' => '« Prev',
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'show' => "facet.pager_type == 'numbers'"
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],
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'next_label' => [
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'label' => __( 'Next button label', 'fwp' ),
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'notes' => 'Leave blank to hide',
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'default' => 'Next »',
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'show' => "facet.pager_type == 'numbers'"
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],
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'count_text_plural' => [
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'label' => __( 'Count text (plural)', 'fwp' ),
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'notes' => 'Available tags: [lower], [upper], [total], [page], [per_page], [total_pages]',
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'default' => '[lower] - [upper] of [total] results',
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'show' => "facet.pager_type == 'counts'"
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],
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'count_text_singular' => [
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'label' => __( 'Count text (singular)', 'fwp' ),
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'default' => '1 result',
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'show' => "facet.pager_type == 'counts'"
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],
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'count_text_none' => [
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'label' => __( 'Count text (no results)', 'fwp' ),
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'default' => 'No results',
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'show' => "facet.pager_type == 'counts'"
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],
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'load_more_text' => [
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'label' => __( 'Load more text', 'fwp' ),
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'default' => 'Load more',
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'show' => "facet.pager_type == 'load_more'"
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],
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'loading_text' => [
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'label' => __( 'Loading text', 'fwp' ),
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'default' => 'Loading...',
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'show' => "facet.pager_type == 'load_more'"
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],
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'default_label' => [
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'label' => __( 'Default label', 'fwp' ),
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'default' => 'Per page',
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'show' => "facet.pager_type == 'per_page'"
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],
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'per_page_options' => [
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'label' => __( 'Per page options', 'fwp' ),
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'notes' => 'A comma-separated list of choices. Optionally add a non-numeric choice to be used as a "Show all" option.',
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'default' => '10, 25, 50, 100',
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'show' => "facet.pager_type == 'per_page'"
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]
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];
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}
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}
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