352 lines
8.7 KiB
PHP
352 lines
8.7 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* WC_Breadcrumb class.
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*
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* @class WC_Breadcrumb
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* @version 2.3.0
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* @package WooCommerce/Classes
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* @category Class
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* @author WooThemes
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*/
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class WC_Breadcrumb {
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/**
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* Breadcrumb trail.
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*
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* @var array
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*/
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private $crumbs = array();
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/**
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* Add a crumb so we don't get lost.
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*
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* @param string $name
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* @param string $link
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*/
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public function add_crumb( $name, $link = '' ) {
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$this->crumbs[] = array(
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strip_tags( $name ),
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$link,
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);
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}
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/**
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* Reset crumbs.
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*/
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public function reset() {
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$this->crumbs = array();
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}
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/**
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* Get the breadcrumb.
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*
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* @return array
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*/
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public function get_breadcrumb() {
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return apply_filters( 'woocommerce_get_breadcrumb', $this->crumbs, $this );
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}
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/**
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* Generate breadcrumb trail.
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*
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* @return array of breadcrumbs
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*/
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public function generate() {
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$conditionals = array(
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'is_home',
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'is_404',
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'is_attachment',
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'is_single',
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'is_product_category',
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'is_product_tag',
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'is_shop',
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'is_page',
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'is_post_type_archive',
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'is_category',
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'is_tag',
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'is_author',
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'is_date',
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'is_tax',
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);
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if ( ( ! is_front_page() && ! ( is_post_type_archive() && intval( get_option( 'page_on_front' ) ) === wc_get_page_id( 'shop' ) ) ) || is_paged() ) {
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foreach ( $conditionals as $conditional ) {
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if ( call_user_func( $conditional ) ) {
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call_user_func( array( $this, 'add_crumbs_' . substr( $conditional, 3 ) ) );
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break;
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}
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}
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$this->search_trail();
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$this->paged_trail();
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return $this->get_breadcrumb();
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}
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return array();
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}
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/**
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* Prepend the shop page to shop breadcrumbs.
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*/
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private function prepend_shop_page() {
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$permalinks = wc_get_permalink_structure();
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$shop_page_id = wc_get_page_id( 'shop' );
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$shop_page = get_post( $shop_page_id );
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// If permalinks contain the shop page in the URI prepend the breadcrumb with shop
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if ( $shop_page_id && $shop_page && isset( $permalinks['product_base'] ) && strstr( $permalinks['product_base'], '/' . $shop_page->post_name ) && get_option( 'page_on_front' ) != $shop_page_id ) {
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$this->add_crumb( get_the_title( $shop_page ), get_permalink( $shop_page ) );
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}
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}
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/**
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* is home trail.
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*/
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private function add_crumbs_home() {
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$this->add_crumb( single_post_title( '', false ) );
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}
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/**
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* 404 trail.
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*/
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private function add_crumbs_404() {
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$this->add_crumb( __( 'Error 404', 'woocommerce' ) );
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}
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/**
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* attachment trail.
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*/
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private function add_crumbs_attachment() {
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global $post;
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$this->add_crumbs_single( $post->post_parent, get_permalink( $post->post_parent ) );
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$this->add_crumb( get_the_title(), get_permalink() );
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}
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/**
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* Single post trail.
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*
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* @param int $post_id
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* @param string $permalink
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*/
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private function add_crumbs_single( $post_id = 0, $permalink = '' ) {
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if ( ! $post_id ) {
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global $post;
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} else {
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$post = get_post( $post_id );
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}
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if ( 'product' === get_post_type( $post ) ) {
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$this->prepend_shop_page();
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if ( $terms = wc_get_product_terms( $post->ID, 'product_cat', array( 'orderby' => 'parent', 'order' => 'DESC' ) ) ) {
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$main_term = apply_filters( 'woocommerce_breadcrumb_main_term', $terms[0], $terms );
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$this->term_ancestors( $main_term->term_id, 'product_cat' );
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$this->add_crumb( $main_term->name, get_term_link( $main_term ) );
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}
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} elseif ( 'post' != get_post_type( $post ) ) {
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$post_type = get_post_type_object( get_post_type( $post ) );
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$this->add_crumb( $post_type->labels->singular_name, get_post_type_archive_link( get_post_type( $post ) ) );
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} else {
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$cat = current( get_the_category( $post ) );
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if ( $cat ) {
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$this->term_ancestors( $cat->term_id, 'category' );
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$this->add_crumb( $cat->name, get_term_link( $cat ) );
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}
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}
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$this->add_crumb( get_the_title( $post ), $permalink );
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}
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/**
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* Page trail.
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*/
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private function add_crumbs_page() {
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global $post;
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if ( $post->post_parent ) {
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$parent_crumbs = array();
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$parent_id = $post->post_parent;
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while ( $parent_id ) {
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$page = get_post( $parent_id );
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$parent_id = $page->post_parent;
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$parent_crumbs[] = array( get_the_title( $page->ID ), get_permalink( $page->ID ) );
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}
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$parent_crumbs = array_reverse( $parent_crumbs );
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foreach ( $parent_crumbs as $crumb ) {
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$this->add_crumb( $crumb[0], $crumb[1] );
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}
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}
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$this->add_crumb( get_the_title(), get_permalink() );
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$this->endpoint_trail();
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}
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/**
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* Product category trail.
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*/
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private function add_crumbs_product_category() {
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$current_term = $GLOBALS['wp_query']->get_queried_object();
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$this->prepend_shop_page();
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$this->term_ancestors( $current_term->term_id, 'product_cat' );
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$this->add_crumb( $current_term->name );
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}
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/**
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* Product tag trail.
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*/
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private function add_crumbs_product_tag() {
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$current_term = $GLOBALS['wp_query']->get_queried_object();
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$this->prepend_shop_page();
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$this->add_crumb( sprintf( __( 'Products tagged “%s”', 'woocommerce' ), $current_term->name ) );
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}
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/**
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* Shop breadcrumb.
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*/
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private function add_crumbs_shop() {
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if ( get_option( 'page_on_front' ) == wc_get_page_id( 'shop' ) ) {
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return;
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}
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$_name = wc_get_page_id( 'shop' ) ? get_the_title( wc_get_page_id( 'shop' ) ) : '';
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if ( ! $_name ) {
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$product_post_type = get_post_type_object( 'product' );
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$_name = $product_post_type->labels->singular_name;
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}
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$this->add_crumb( $_name, get_post_type_archive_link( 'product' ) );
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}
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/**
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* Post type archive trail.
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*/
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private function add_crumbs_post_type_archive() {
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$post_type = get_post_type_object( get_post_type() );
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if ( $post_type ) {
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$this->add_crumb( $post_type->labels->singular_name, get_post_type_archive_link( get_post_type() ) );
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}
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}
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/**
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* Category trail.
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*/
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private function add_crumbs_category() {
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$this_category = get_category( $GLOBALS['wp_query']->get_queried_object() );
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if ( 0 != $this_category->parent ) {
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$this->term_ancestors( $this_category->term_id, 'category' );
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}
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$this->add_crumb( single_cat_title( '', false ), get_category_link( $this_category->term_id ) );
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}
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/**
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* Tag trail.
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*/
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private function add_crumbs_tag() {
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$queried_object = $GLOBALS['wp_query']->get_queried_object();
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$this->add_crumb( sprintf( __( 'Posts tagged “%s”', 'woocommerce' ), single_tag_title( '', false ) ), get_tag_link( $queried_object->term_id ) );
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}
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/**
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* Add crumbs for date based archives.
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*/
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private function add_crumbs_date() {
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if ( is_year() || is_month() || is_day() ) {
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$this->add_crumb( get_the_time( 'Y' ), get_year_link( get_the_time( 'Y' ) ) );
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}
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if ( is_month() || is_day() ) {
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$this->add_crumb( get_the_time( 'F' ), get_month_link( get_the_time( 'Y' ), get_the_time( 'm' ) ) );
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}
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if ( is_day() ) {
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$this->add_crumb( get_the_time( 'd' ) );
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}
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}
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/**
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* Add crumbs for taxonomies
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*/
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private function add_crumbs_tax() {
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$this_term = $GLOBALS['wp_query']->get_queried_object();
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$taxonomy = get_taxonomy( $this_term->taxonomy );
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$this->add_crumb( $taxonomy->labels->name );
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if ( 0 != $this_term->parent ) {
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$this->term_ancestors( $this_term->term_id, $this_term->taxonomy );
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}
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$this->add_crumb( single_term_title( '', false ), get_term_link( $this_term->term_id, $this_term->taxonomy ) );
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}
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/**
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* Add a breadcrumb for author archives.
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*/
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private function add_crumbs_author() {
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global $author;
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$userdata = get_userdata( $author );
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$this->add_crumb( sprintf( __( 'Author: %s', 'woocommerce' ), $userdata->display_name ) );
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}
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/**
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* Add crumbs for a term.
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*
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* @param int $term_id
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* @param string $taxonomy
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*/
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private function term_ancestors( $term_id, $taxonomy ) {
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$ancestors = get_ancestors( $term_id, $taxonomy );
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$ancestors = array_reverse( $ancestors );
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foreach ( $ancestors as $ancestor ) {
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$ancestor = get_term( $ancestor, $taxonomy );
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if ( ! is_wp_error( $ancestor ) && $ancestor ) {
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$this->add_crumb( $ancestor->name, get_term_link( $ancestor ) );
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}
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}
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}
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/**
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* Endpoints.
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*/
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private function endpoint_trail() {
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// Is an endpoint showing?
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if ( is_wc_endpoint_url() && ( $endpoint = WC()->query->get_current_endpoint() ) && ( $endpoint_title = WC()->query->get_endpoint_title( $endpoint ) ) ) {
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$this->add_crumb( $endpoint_title );
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}
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}
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/**
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* Add a breadcrumb for search results.
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*/
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private function search_trail() {
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if ( is_search() ) {
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$this->add_crumb( sprintf( __( 'Search results for “%s”', 'woocommerce' ), get_search_query() ), remove_query_arg( 'paged' ) );
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}
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}
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/**
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* Add a breadcrumb for pagination.
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*/
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private function paged_trail() {
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if ( get_query_var( 'paged' ) ) {
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$this->add_crumb( sprintf( __( 'Page %d', 'woocommerce' ), get_query_var( 'paged' ) ) );
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}
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}
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}
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