509 lines
17 KiB
PHP
509 lines
17 KiB
PHP
<?php
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/**
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* Layered Navigation Widget
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*
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* @author WooThemes
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* @category Widgets
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* @package WooCommerce/Widgets
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* @version 1.6.4
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* @extends WP_Widget
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*/
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class WooCommerce_Widget_Layered_Nav extends WP_Widget {
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var $woo_widget_cssclass;
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var $woo_widget_description;
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var $woo_widget_idbase;
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var $woo_widget_name;
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/**
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* constructor
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*
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* @access public
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* @return void
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*/
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function WooCommerce_Widget_Layered_Nav() {
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/* Widget variable settings. */
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$this->woo_widget_cssclass = 'widget_layered_nav';
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$this->woo_widget_description = __( 'Shows a custom attribute in a widget which lets you narrow down the list of products when viewing product categories.', 'woocommerce' );
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$this->woo_widget_idbase = 'woocommerce_layered_nav';
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$this->woo_widget_name = __( 'WooCommerce Layered Nav', 'woocommerce' );
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/* Widget settings. */
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$widget_ops = array( 'classname' => $this->woo_widget_cssclass, 'description' => $this->woo_widget_description );
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/* Create the widget. */
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$this->WP_Widget( 'woocommerce_layered_nav', $this->woo_widget_name, $widget_ops );
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}
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/**
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* widget function.
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*
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* @see WP_Widget
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* @access public
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* @param array $args
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* @param array $instance
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* @return void
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*/
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function widget( $args, $instance ) {
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global $_chosen_attributes, $woocommerce, $_attributes_array;
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extract( $args );
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if ( ! is_post_type_archive( 'product' ) && ! is_tax( array_merge( $_attributes_array, array( 'product_cat', 'product_tag' ) ) ) )
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return;
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$current_term = $_attributes_array && is_tax( $_attributes_array ) ? get_queried_object()->term_id : '';
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$current_tax = $_attributes_array && is_tax( $_attributes_array ) ? get_queried_object()->taxonomy : '';
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$title = apply_filters('widget_title', $instance['title'], $instance, $this->id_base);
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$taxonomy = $woocommerce->attribute_taxonomy_name($instance['attribute']);
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$query_type = isset( $instance['query_type'] ) ? $instance['query_type'] : 'and';
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$display_type = isset( $instance['display_type'] ) ? $instance['display_type'] : 'list';
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if ( ! taxonomy_exists( $taxonomy ) )
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return;
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$terms = get_terms( $taxonomy, array( 'hide_empty' => '1' ) );
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if ( count( $terms ) > 0 ) {
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ob_start();
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$found = false;
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echo $before_widget . $before_title . $title . $after_title;
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// Force found when option is selected - do not force found on taxonomy attributes
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if ( ! $_attributes_array || ! is_tax( $_attributes_array ) )
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if ( is_array( $_chosen_attributes ) && array_key_exists( $taxonomy, $_chosen_attributes ) )
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$found = true;
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if ( $display_type == 'dropdown' ) {
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// skip when viewing the taxonomy
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if ( $current_tax && $taxonomy == $current_tax ) {
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$found = false;
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} else {
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$taxonomy_filter = str_replace( 'pa_', '', $taxonomy );
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$found = true;
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echo '<select id="dropdown_layered_nav_' . $taxonomy_filter . '">';
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echo '<option value="">' . sprintf( __( 'Any %s', 'woocommerce' ), $woocommerce->attribute_label( $taxonomy ) ) .'</option>';
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foreach ( $terms as $term ) {
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// If on a term page, skip that term in widget list
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if ( $term->term_id == $current_term )
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continue;
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// Get count based on current view - uses transients
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$transient_name = 'wc_ln_count_' . md5( sanitize_key( $taxonomy ) . sanitize_key( $term->term_id ) );
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if ( false === ( $_products_in_term = get_transient( $transient_name ) ) ) {
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$_products_in_term = get_objects_in_term( $term->term_id, $taxonomy );
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set_transient( $transient_name, $_products_in_term );
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}
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$option_is_set = ( isset( $_chosen_attributes[ $taxonomy ] ) && in_array( $term->term_id, $_chosen_attributes[ $taxonomy ]['terms'] ) );
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// If this is an AND query, only show options with count > 0
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if ( $query_type == 'and' ) {
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$count = sizeof( array_intersect( $_products_in_term, $woocommerce->query->filtered_product_ids ) );
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if ( $count > 0 )
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$found = true;
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if ( $count == 0 && ! $option_is_set )
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continue;
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// If this is an OR query, show all options so search can be expanded
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} else {
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$count = sizeof( array_intersect( $_products_in_term, $woocommerce->query->unfiltered_product_ids ) );
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if ( $count > 0 )
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$found = true;
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}
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echo '<option value="' . $term->term_id . '" '.selected( isset( $_GET[ 'filter_' . $taxonomy_filter ] ) ? $_GET[ 'filter_' .$taxonomy_filter ] : '' , $term->term_id, false ) . '>' . $term->name . '</option>';
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}
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echo '</select>';
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$woocommerce->add_inline_js("
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jQuery('#dropdown_layered_nav_$taxonomy_filter').change(function(){
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location.href = '" . preg_replace( '%\/page/[0-9]+%', '', add_query_arg('filtering', '1', remove_query_arg( array( 'page', 'filter_' . $taxonomy_filter ) ) ) ) . "&filter_$taxonomy_filter=' + jQuery('#dropdown_layered_nav_$taxonomy_filter').val();
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});
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");
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}
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} else {
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// List display
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echo "<ul>";
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foreach ( $terms as $term ) {
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// Get count based on current view - uses transients
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$transient_name = 'wc_ln_count_' . md5( sanitize_key( $taxonomy ) . sanitize_key( $term->term_id ) );
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if ( false === ( $_products_in_term = get_transient( $transient_name ) ) ) {
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$_products_in_term = get_objects_in_term( $term->term_id, $taxonomy );
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set_transient( $transient_name, $_products_in_term );
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}
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$option_is_set = ( isset( $_chosen_attributes[ $taxonomy ] ) && in_array( $term->term_id, $_chosen_attributes[ $taxonomy ]['terms'] ) );
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// If this is an AND query, only show options with count > 0
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if ( $query_type == 'and' ) {
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$count = sizeof( array_intersect( $_products_in_term, $woocommerce->query->filtered_product_ids ) );
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// skip the term for the current archive
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if ( $current_term == $term->term_id )
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continue;
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if ( $count > 0 && $current_term !== $term->term_id )
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$found = true;
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if ( $count == 0 && ! $option_is_set )
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continue;
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// If this is an OR query, show all options so search can be expanded
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} else {
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// skip the term for the current archive
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if ( $current_term == $term->term_id )
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continue;
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$count = sizeof( array_intersect( $_products_in_term, $woocommerce->query->unfiltered_product_ids ) );
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if ( $count > 0 )
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$found = true;
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}
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$arg = 'filter_' . sanitize_title( $instance['attribute'] );
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$current_filter = ( isset( $_GET[ $arg ] ) ) ? explode( ',', $_GET[ $arg ] ) : array();
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if ( ! is_array( $current_filter ) )
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$current_filter = array();
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if ( ! in_array( $term->term_id, $current_filter ) )
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$current_filter[] = $term->term_id;
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// Base Link decided by current page
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if ( defined( 'SHOP_IS_ON_FRONT' ) ) {
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$link = home_url();
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} elseif ( is_post_type_archive( 'product' ) || is_page( woocommerce_get_page_id('shop') ) ) {
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$link = get_post_type_archive_link( 'product' );
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} else {
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$link = get_term_link( get_query_var('term'), get_query_var('taxonomy') );
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}
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// All current filters
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if ( $_chosen_attributes ) {
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foreach ( $_chosen_attributes as $name => $data ) {
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if ( $name !== $taxonomy ) {
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//exclude query arg for current term archive term
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while ( in_array( $current_term, $data['terms'] ) ) {
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$key = array_search( $current_term, $data );
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unset( $data['terms'][$key] );
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}
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if ( ! empty( $data['terms'] ) )
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$link = add_query_arg( sanitize_title( str_replace( 'pa_', 'filter_', $name ) ), implode(',', $data['terms']), $link );
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if ( $data['query_type'] == 'or' )
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$link = add_query_arg( sanitize_title( str_replace( 'pa_', 'query_type_', $name ) ), 'or', $link );
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}
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}
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}
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// Min/Max
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if ( isset( $_GET['min_price'] ) )
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$link = add_query_arg( 'min_price', $_GET['min_price'], $link );
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if ( isset( $_GET['max_price'] ) )
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$link = add_query_arg( 'max_price', $_GET['max_price'], $link );
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// Current Filter = this widget
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if ( isset( $_chosen_attributes[ $taxonomy ] ) && is_array( $_chosen_attributes[ $taxonomy ]['terms'] ) && in_array( $term->term_id, $_chosen_attributes[ $taxonomy ]['terms'] ) ) {
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$class = 'class="chosen"';
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// Remove this term is $current_filter has more than 1 term filtered
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if ( sizeof( $current_filter ) > 1 ) {
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$current_filter_without_this = array_diff( $current_filter, array( $term->term_id ) );
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$link = add_query_arg( $arg, implode( ',', $current_filter_without_this ), $link );
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}
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} else {
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$class = '';
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$link = add_query_arg( $arg, implode( ',', $current_filter ), $link );
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}
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// Search Arg
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if ( get_search_query() )
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$link = add_query_arg( 's', get_search_query(), $link );
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// Post Type Arg
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if ( isset( $_GET['post_type'] ) )
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$link = add_query_arg( 'post_type', $_GET['post_type'], $link );
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// Query type Arg
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if ( $query_type == 'or' && ! ( sizeof( $current_filter ) == 1 && isset( $_chosen_attributes[ $taxonomy ]['terms'] ) && is_array( $_chosen_attributes[ $taxonomy ]['terms'] ) && in_array( $term->term_id, $_chosen_attributes[ $taxonomy ]['terms'] ) ) )
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$link = add_query_arg( 'query_type_' . sanitize_title( $instance['attribute'] ), 'or', $link );
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echo '<li ' . $class . '>';
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echo ( $count > 0 || $option_is_set ) ? '<a href="' . apply_filters( 'woocommerce_layered_nav_link', $link ) . '">' : '<span>';
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echo $term->name;
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echo ( $count > 0 || $option_is_set ) ? '</a>' : '</span>';
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echo ' <small class="count">' . $count . '</small></li>';
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}
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echo "</ul>";
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} // End display type conditional
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echo $after_widget;
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if ( ! $found )
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ob_clean();
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else
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echo ob_get_clean();
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}
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}
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/**
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* update function.
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*
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* @see WP_Widget->update
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* @access public
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* @param array $new_instance
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* @param array $old_instance
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* @return array
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*/
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function update( $new_instance, $old_instance ) {
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global $woocommerce;
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if ( empty( $new_instance['title'] ) )
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$new_instance['title'] = $woocommerce->attribute_label( $new_instance['attribute'] );
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$instance['title'] = strip_tags( stripslashes($new_instance['title'] ) );
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$instance['attribute'] = stripslashes( $new_instance['attribute'] );
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$instance['query_type'] = stripslashes( $new_instance['query_type'] );
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$instance['display_type'] = stripslashes( $new_instance['display_type'] );
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return $instance;
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}
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/**
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* form function.
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*
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* @see WP_Widget->form
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* @access public
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* @param array $instance
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* @return void
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*/
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function form( $instance ) {
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global $woocommerce;
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if ( ! isset( $instance['query_type'] ) )
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$instance['query_type'] = 'and';
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if ( ! isset( $instance['display_type'] ) )
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$instance['display_type'] = 'list';
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?>
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<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'woocommerce' ) ?></label>
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<input type="text" class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" value="<?php if ( isset( $instance['title'] ) ) echo esc_attr( $instance['title'] ); ?>" /></p>
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<p><label for="<?php echo $this->get_field_id( 'attribute' ); ?>"><?php _e( 'Attribute:', 'woocommerce' ) ?></label>
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<select id="<?php echo esc_attr( $this->get_field_id( 'attribute' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'attribute' ) ); ?>">
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<?php
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$attribute_taxonomies = $woocommerce->get_attribute_taxonomies();
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if ( $attribute_taxonomies )
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foreach ( $attribute_taxonomies as $tax )
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if ( taxonomy_exists( $woocommerce->attribute_taxonomy_name( $tax->attribute_name ) ) )
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echo '<option value="' . $tax->attribute_name . '" ' . selected( ( isset( $instance['attribute'] ) && $instance['attribute'] == $tax->attribute_name ), true, false ) . '>' . $tax->attribute_name . '</option>';
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?>
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</select></p>
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<p><label for="<?php echo $this->get_field_id( 'display_type' ); ?>"><?php _e( 'Display Type:', 'woocommerce' ) ?></label>
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<select id="<?php echo esc_attr( $this->get_field_id( 'display_type' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'display_type' ) ); ?>">
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<option value="list" <?php selected( $instance['display_type'], 'list' ); ?>><?php _e( 'List', 'woocommerce' ); ?></option>
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<option value="dropdown" <?php selected( $instance['display_type'], 'dropdown' ); ?>><?php _e( 'Dropdown', 'woocommerce' ); ?></option>
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</select></p>
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<p><label for="<?php echo $this->get_field_id( 'query_type' ); ?>"><?php _e( 'Query Type:', 'woocommerce' ) ?></label>
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<select id="<?php echo esc_attr( $this->get_field_id( 'query_type' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'query_type' ) ); ?>">
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<option value="and" <?php selected( $instance['query_type'], 'and' ); ?>><?php _e( 'AND', 'woocommerce' ); ?></option>
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<option value="or" <?php selected( $instance['query_type'], 'or' ); ?>><?php _e( 'OR', 'woocommerce' ); ?></option>
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</select></p>
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<?php
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}
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}
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/**
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* Layered Nav Init
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*
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* @package WooCommerce/Widgets
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* @access public
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* @return void
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*/
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function woocommerce_layered_nav_init( ) {
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if ( is_active_widget( false, false, 'woocommerce_layered_nav', true ) && ! is_admin() ) {
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global $_chosen_attributes, $woocommerce, $_attributes_array;
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$_chosen_attributes = $_attributes_array = array();
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$attribute_taxonomies = $woocommerce->attribute_taxonomies;
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if ( $attribute_taxonomies ) {
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foreach ( $attribute_taxonomies as $tax ) {
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$attribute = sanitize_title( $tax->attribute_name );
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$taxonomy = $woocommerce->attribute_taxonomy_name( $attribute );
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// create an array of product attribute taxonomies
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$_attributes_array[] = $taxonomy;
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$name = 'filter_' . $attribute;
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$query_type_name = 'query_type_' . $attribute;
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if ( ! empty( $_GET[ $name ] ) && taxonomy_exists( $taxonomy ) ) {
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$_chosen_attributes[ $taxonomy ]['terms'] = explode( ',', $_GET[ $name ] );
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if ( ! empty( $_GET[ $query_type_name ] ) && $_GET[ $query_type_name ] == 'or' )
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$_chosen_attributes[ $taxonomy ]['query_type'] = 'or';
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else
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$_chosen_attributes[ $taxonomy ]['query_type'] = 'and';
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}
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}
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}
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add_filter('loop_shop_post_in', 'woocommerce_layered_nav_query');
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}
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}
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add_action( 'init', 'woocommerce_layered_nav_init', 1 );
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/**
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* Layered Nav post filter
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*
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* @package WooCommerce/Widgets
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* @access public
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* @param array $filtered_posts
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* @return array
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*/
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function woocommerce_layered_nav_query( $filtered_posts ) {
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global $_chosen_attributes, $woocommerce, $wp_query;
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if ( sizeof( $_chosen_attributes ) > 0 ) {
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$matched_products = array();
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$filtered_attribute = false;
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foreach ( $_chosen_attributes as $attribute => $data ) {
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$matched_products_from_attribute = array();
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$filtered = false;
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if ( sizeof( $data['terms'] ) > 0 ) {
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foreach ( $data['terms'] as $value ) {
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$posts = get_posts(
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array(
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'post_type' => 'product',
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'numberposts' => -1,
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'post_status' => 'publish',
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'fields' => 'ids',
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'no_found_rows' => true,
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'tax_query' => array(
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array(
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'taxonomy' => $attribute,
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'terms' => $value,
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'field' => 'id'
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)
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)
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)
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);
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// AND or OR
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if ( $data['query_type'] == 'or' ) {
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if ( ! is_wp_error( $posts ) && ( sizeof( $matched_products_from_attribute ) > 0 || $filtered ) )
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$matched_products_from_attribute = array_merge($posts, $matched_products_from_attribute);
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elseif ( ! is_wp_error( $posts ) )
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$matched_products_from_attribute = $posts;
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} else {
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|
|
if ( ! is_wp_error( $posts ) && ( sizeof( $matched_products_from_attribute ) > 0 || $filtered ) )
|
|
$matched_products_from_attribute = array_intersect($posts, $matched_products_from_attribute);
|
|
elseif ( ! is_wp_error( $posts ) )
|
|
$matched_products_from_attribute = $posts;
|
|
}
|
|
|
|
$filtered = true;
|
|
|
|
}
|
|
}
|
|
|
|
if ( sizeof( $matched_products ) > 0 || $filtered_attribute )
|
|
$matched_products = array_intersect( $matched_products_from_attribute, $matched_products );
|
|
else
|
|
$matched_products = $matched_products_from_attribute;
|
|
|
|
$filtered_attribute = true;
|
|
|
|
}
|
|
|
|
if ( $filtered ) {
|
|
|
|
$woocommerce->query->layered_nav_post__in = $matched_products;
|
|
$woocommerce->query->layered_nav_post__in[] = 0;
|
|
|
|
if ( sizeof( $filtered_posts ) == 0 ) {
|
|
$filtered_posts = $matched_products;
|
|
$filtered_posts[] = 0;
|
|
} else {
|
|
$filtered_posts = array_intersect( $filtered_posts, $matched_products );
|
|
$filtered_posts[] = 0;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
return (array) $filtered_posts;
|
|
}
|