woocommerce/includes/wc-page-functions.php

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<?php
/**
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* WooCommerce Page Functions
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*
* Functions related to pages and menus.
*
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* @author WooThemes
* @category Core
* @package WooCommerce/Functions
* @version 2.6.0
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*/
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if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
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* Replace a page title with the endpoint title.
* @param string $title
* @return string
*/
function wc_page_endpoint_title( $title ) {
global $wp_query;
if ( ! is_null( $wp_query ) && ! is_admin() && is_main_query() && in_the_loop() && is_page() && is_wc_endpoint_url() ) {
$endpoint = WC()->query->get_current_endpoint();
if ( $endpoint_title = WC()->query->get_endpoint_title( $endpoint ) ) {
$title = $endpoint_title;
}
remove_filter( 'the_title', 'wc_page_endpoint_title' );
}
return $title;
}
add_filter( 'the_title', 'wc_page_endpoint_title' );
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/**
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* Retrieve page ids - used for myaccount, edit_address, shop, cart, checkout, pay, view_order, terms. returns -1 if no page is found.
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*
* @param string $page
* @return int
*/
function wc_get_page_id( $page ) {
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if ( $page == 'pay' || $page == 'thanks' ) {
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_deprecated_argument( __FUNCTION__, '2.1', 'The "pay" and "thanks" pages are no-longer used - an endpoint is added to the checkout instead. To get a valid link use the WC_Order::get_checkout_payment_url() or WC_Order::get_checkout_order_received_url() methods instead.' );
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$page = 'checkout';
}
if ( $page == 'change_password' || $page == 'edit_address' || $page == 'lost_password' ) {
_deprecated_argument( __FUNCTION__, '2.1', 'The "change_password", "edit_address" and "lost_password" pages are no-longer used - an endpoint is added to the my-account instead. To get a valid link use the wc_customer_edit_account_url() function instead.' );
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$page = 'myaccount';
}
$page = apply_filters( 'woocommerce_get_' . $page . '_page_id', get_option('woocommerce_' . $page . '_page_id' ) );
return $page ? absint( $page ) : -1;
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}
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/**
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* Retrieve page permalink.
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*
* @param string $page
* @return string
*/
function wc_get_page_permalink( $page ) {
$page_id = wc_get_page_id( $page );
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$permalink = 0 < $page_id ? get_permalink( $page_id ) : get_home_url();
return apply_filters( 'woocommerce_get_' . $page . '_page_permalink', $permalink );
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}
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/**
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* Get endpoint URL.
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*
* Gets the URL for an endpoint, which varies depending on permalink settings.
*
* @param string $endpoint
* @param string $value
* @param string $permalink
*
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* @return string
*/
function wc_get_endpoint_url( $endpoint, $value = '', $permalink = '' ) {
if ( ! $permalink ) {
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$permalink = get_permalink();
}
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// Map endpoint to options
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$endpoint = ! empty( WC()->query->query_vars[ $endpoint ] ) ? WC()->query->query_vars[ $endpoint ] : $endpoint;
$value = ( 'edit-address' == $endpoint ) ? wc_edit_address_i18n( $value ) : $value;
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if ( get_option( 'permalink_structure' ) ) {
if ( strstr( $permalink, '?' ) ) {
$query_string = '?' . parse_url( $permalink, PHP_URL_QUERY );
$permalink = current( explode( '?', $permalink ) );
} else {
$query_string = '';
}
$url = trailingslashit( $permalink ) . $endpoint . '/' . $value . $query_string;
} else {
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$url = add_query_arg( $endpoint, $value, $permalink );
}
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return apply_filters( 'woocommerce_get_endpoint_url', $url, $endpoint, $value, $permalink );
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}
/**
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* Hide menu items conditionally.
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*
* @param array $items
* @return array
*/
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function wc_nav_menu_items( $items ) {
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if ( ! is_user_logged_in() ) {
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$customer_logout = get_option( 'woocommerce_logout_endpoint', 'customer-logout' );
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if ( ! empty( $customer_logout ) ) {
foreach ( $items as $key => $item ) {
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$path = parse_url( $item->url, PHP_URL_PATH );
$query = parse_url( $item->url, PHP_URL_QUERY );
if ( strstr( $path, $customer_logout ) || strstr( $query, $customer_logout ) ) {
unset( $items[ $key ] );
}
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}
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}
}
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return $items;
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}
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add_filter( 'wp_nav_menu_objects', 'wc_nav_menu_items', 10 );
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/**
* Fix active class in nav for shop page.
*
* @param array $menu_items
* @return array
*/
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function wc_nav_menu_item_classes( $menu_items ) {
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if ( ! is_woocommerce() ) {
return $menu_items;
}
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$shop_page = (int) wc_get_page_id('shop');
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$page_for_posts = (int) get_option( 'page_for_posts' );
foreach ( (array) $menu_items as $key => $menu_item ) {
$classes = (array) $menu_item->classes;
// Unset active class for blog page
if ( $page_for_posts == $menu_item->object_id ) {
$menu_items[$key]->current = false;
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if ( in_array( 'current_page_parent', $classes ) ) {
unset( $classes[ array_search('current_page_parent', $classes) ] );
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}
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if ( in_array( 'current-menu-item', $classes ) ) {
unset( $classes[ array_search('current-menu-item', $classes) ] );
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}
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// Set active state if this is the shop page link
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} elseif ( is_shop() && $shop_page == $menu_item->object_id && 'page' === $menu_item->object ) {
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$menu_items[ $key ]->current = true;
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$classes[] = 'current-menu-item';
$classes[] = 'current_page_item';
// Set parent state if this is a product page
} elseif ( is_singular( 'product' ) && $shop_page == $menu_item->object_id ) {
$classes[] = 'current_page_parent';
}
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$menu_items[ $key ]->classes = array_unique( $classes );
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}
return $menu_items;
}
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add_filter( 'wp_nav_menu_objects', 'wc_nav_menu_item_classes', 2 );
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/**
* Fix active class in wp_list_pages for shop page.
*
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* https://github.com/woothemes/woocommerce/issues/177.
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*
* @author Jessor, Peter Sterling
* @param string $pages
* @return string
*/
function wc_list_pages( $pages ) {
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if ( is_woocommerce() ) {
// Remove current_page_parent class from any item.
$pages = str_replace( 'current_page_parent', '', $pages );
// Find shop_page_id through woocommerce options.
$shop_page = 'page-item-' . wc_get_page_id( 'shop' );
if ( is_shop() ) {
// Add current_page_item class to shop page.
$pages = str_replace( $shop_page, $shop_page . ' current_page_item', $pages );
} else {
// Add current_page_parent class to shop page.
$pages = str_replace( $shop_page, $shop_page . ' current_page_parent', $pages );
}
}
return $pages;
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}
add_filter( 'wp_list_pages', 'wc_list_pages' );