understrap/inc/woocommerce.php

370 lines
12 KiB
PHP

<?php
/**
* Add WooCommerce support
*
* @package Understrap
*/
// Exit if accessed directly.
defined( 'ABSPATH' ) || exit;
add_action( 'after_setup_theme', 'understrap_woocommerce_support' );
if ( ! function_exists( 'understrap_woocommerce_support' ) ) {
/**
* Declares WooCommerce theme support.
*/
function understrap_woocommerce_support() {
add_theme_support( 'woocommerce' );
// Add Product Gallery support.
add_theme_support( 'wc-product-gallery-lightbox' );
add_theme_support( 'wc-product-gallery-zoom' );
add_theme_support( 'wc-product-gallery-slider' );
// Add Bootstrap classes to form fields.
add_filter( 'woocommerce_form_field_args', 'understrap_wc_form_field_args', 10, 3 );
add_filter( 'woocommerce_form_field_radio', 'understrap_wc_form_field_radio', 10, 4 );
add_filter( 'woocommerce_quantity_input_classes', 'understrap_quantity_input_classes' );
add_filter( 'woocommerce_loop_add_to_cart_args', 'understrap_loop_add_to_cart_args' );
// Wrap the add-to-cart link in `div.add-to-cart-container`.
add_filter( 'woocommerce_loop_add_to_cart_link', 'understrap_loop_add_to_cart_link' );
// Add Bootstrap classes to account navigation.
add_filter( 'woocommerce_account_menu_item_classes', 'understrap_account_menu_item_classes' );
}
}
// First unhook the WooCommerce content wrappers.
remove_action( 'woocommerce_before_main_content', 'woocommerce_output_content_wrapper', 10 );
remove_action( 'woocommerce_after_main_content', 'woocommerce_output_content_wrapper_end', 10 );
// Then hook in your own functions to display the wrappers your theme requires.
add_action( 'woocommerce_before_main_content', 'understrap_woocommerce_wrapper_start', 10 );
add_action( 'woocommerce_after_main_content', 'understrap_woocommerce_wrapper_end', 10 );
if ( ! function_exists( 'understrap_woocommerce_wrapper_start' ) ) {
/**
* Display the theme specific start of the page wrapper.
*/
function understrap_woocommerce_wrapper_start() {
$container = get_theme_mod( 'understrap_container_type' );
if ( false === $container ) {
$container = '';
}
echo '<div class="wrapper" id="woocommerce-wrapper">';
echo '<div class="' . esc_attr( $container ) . '" id="content" tabindex="-1">';
echo '<div class="row">';
get_template_part( 'global-templates/left-sidebar-check' );
echo '<main class="site-main" id="main">';
}
}
if ( ! function_exists( 'understrap_woocommerce_wrapper_end' ) ) {
/**
* Display the theme specific end of the page wrapper.
*/
function understrap_woocommerce_wrapper_end() {
echo '</main>';
get_template_part( 'global-templates/right-sidebar-check' );
echo '</div><!-- .row -->';
echo '</div><!-- .container(-fluid) -->';
echo '</div><!-- #woocommerce-wrapper -->';
}
}
if ( ! function_exists( 'understrap_wc_form_field_args' ) ) {
/**
* Modifies the form field's arguments by input type. The arguments are used
* in `woocommerce_form_field()` to build the form fields.
*
* @see https://woocommerce.github.io/code-reference/namespaces/default.html#function_woocommerce_form_field
*
* @param array $args Form field arguments.
* @param string $key Value of the fields name attribute.
* @param string|null $value Value of <select> option.
* @return array Filtered form field arguments.
*
* @phpstan-template T of array{
* 'type': string,
* 'label': string,
* 'description': string,
* 'placeholder': string,
* 'maxlength': false|int,
* 'required': bool,
* 'autocomplete': false|string,
* 'id': string,
* 'class': list<string>,
* 'label_class': list<string>,
* 'input_class': list<string>,
* 'return': bool,
* 'options': array<string,string>,
* 'custom_attributes': array<string,int|string>,
* 'validate': list<string>,
* 'default': string,
* 'autofocus': ?(string|bool),
* 'priority': ?string,
* }
* @phpstan-param T $args
* @phpstan-return T | array{'class': non-empty-list<string>}
*/
function understrap_wc_form_field_args( $args, $key, $value ) {
$bootstrap4 = 'bootstrap4' === get_theme_mod( 'understrap_bootstrap_version', 'bootstrap4' );
// Add margin to each form field's html element wrapper (<p></p>).
if ( $bootstrap4 ) {
$args['class'][] = 'form-group';
}
$args['class'][] = 'mb-3';
// Start field type switch case.
switch ( $args['type'] ) {
case 'country':
/*
* WooCommerce will populate a <select> element of type 'country'
* with the country names.
*/
// Add class to the form field's html element wrapper.
$args['class'][] = 'single-country';
break;
case 'state':
/*
* WooCommerce will populate a <select> element of type 'state'
* with the state names.
*/
// Add custom data attributes to the form input itself.
$args['custom_attributes']['data-plugin'] = 'select2';
$args['custom_attributes']['data-allow-clear'] = 'true';
$args['custom_attributes']['aria-hidden'] = 'true';
// If state is text input.
$args['input_class'][] = 'form-control';
break;
case 'checkbox':
/*
* WooCommerce checkbox markup differs from Bootstrap checkbox
* markup. We apply Bootstrap classes such that the WooCommerce
* checkbox look matches the Bootstrap checkbox look.
*/
// Get Bootstrap version specific CSS class base.
$base = $bootstrap4 ? 'custom-control' : 'form-check';
if ( '' !== $args['label'] || $bootstrap4 ) {
// Wrap the label in <span> tag.
$args['label'] = "<span class=\"{$base}-label\">{$args['label']}</span>";
}
// Add a class to the form input's <label> tag.
$args['label_class'][] = $base;
if ( $bootstrap4 ) {
$args['label_class'][] = 'custom-checkbox';
}
// Add a class to the form input itself.
$args['input_class'][] = $base . '-input';
break;
case 'select':
// Targets all <select> elements, except the country and state <select>.
// Add a class to the form input itself.
$args['input_class'][] = $bootstrap4 ? 'form-control' : 'form-select';
// Add custom data attributes to the form input itself.
$args['custom_attributes']['data-plugin'] = 'select2';
$args['custom_attributes']['data-allow-clear'] = 'true';
break;
case 'radio':
// Get Bootstrap version specific CSS class base.
$base = $bootstrap4 ? 'custom-control' : 'form-check';
$args['label_class'][] = $base . '-label';
$args['input_class'][] = $base . '-input';
break;
default:
$args['input_class'][] = 'form-control';
} // End of switch ( $args ).
return $args;
}
}
if ( ! function_exists( 'understrap_wc_form_field_radio' ) ) {
/**
* Adjust the WooCommerce checkout/address radio fields to match the look of
* Bootstrap radio fields.
*
* Wraps each radio field (`<input>`+`<label>`) in a `.from-check`.
*
* If `$args['label']` is set a `<label>` tag is prepended to the radio
* fields. `$args['label_class']` is used for the class attribute of this
* tag and the class attribute of the actual input labels. Hence, we must
* remove the first occurance of the label class added via
* `understrap_wc_form_field_args()` that is meant for input labels only.
*
* @param string $field The field's HTML incl. the wrapper element.
* @param string $key The wrapper element's id attribute value.
* @param array<string|mixed> $args An array of field arguments.
* @param string|null $value The field's value.
* @return string The field's filtered HTML.
*
* @phpstan-template T of array{
* 'type': string,
* 'label': string,
* 'description': string,
* 'placeholder': string,
* 'maxlength': false|int,
* 'required': bool,
* 'autocomplete': false|string,
* 'id': string,
* 'class': list<string>,
* 'label_class': list<string>,
* 'input_class': list<string>,
* 'return': bool,
* 'options': array<string,string>,
* 'custom_attributes': array<string,int|string>,
* 'validate': list<string>,
* 'default': string,
* 'autofocus': ?(string|bool),
* 'priority': ?string,
* }
* @phpstan-param T $args
*/
function understrap_wc_form_field_radio( $field, $key, $args, $value ) {
// Set up Bootstrap version specific variables.
if ( 'bootstrap4' === get_theme_mod( 'understrap_bootstrap_version', 'bootstrap4' ) ) {
$wrapper_classes = 'custom-control custom-radio';
$label_class = 'custom-control-label';
} else {
$wrapper_classes = 'form-check';
$label_class = 'form-check-label';
}
// Remove the first occurance of the label class if neccessary.
if ( '' !== $args['label'] && ! empty( $args['label_class'] ) ) {
$strpos = strpos( $field, $label_class );
if ( false !== $strpos ) {
$field = substr_replace( $field, '', $strpos, strlen( $label_class ) );
/*
* If $label_class was the only class in $args['label_class']
* then there is an empty class attribute now. Let's remove it.
*/
$field = str_replace( 'class=""', '', $field );
}
}
// Wrap each radio in a <span.from-check>.
$field = str_replace( '<input', "<span class=\"{$wrapper_classes}\"><input", $field );
$field = str_replace( '</label>', '</label></span>', $field );
if ( '' !== $args['label'] ) {
// Remove the closing span tag from the first <label> element.
$strpos = strpos( $field, '</label>' ) + strlen( '</label>' );
$field = substr_replace( $field, '', $strpos, strlen( '</span>' ) );
}
return $field;
}
}
if ( ! is_admin() && ! function_exists( 'wc_review_ratings_enabled' ) ) {
/**
* Check if reviews are enabled.
*
* Function introduced in WooCommerce 3.6.0., include it for backward compatibility.
*
* @return bool
*/
function wc_reviews_enabled() {
return 'yes' === get_option( 'woocommerce_enable_reviews' );
}
/**
* Check if reviews ratings are enabled.
*
* Function introduced in WooCommerce 3.6.0., include it for backward compatibility.
*
* @return bool
*/
function wc_review_ratings_enabled() {
return wc_reviews_enabled() && 'yes' === get_option( 'woocommerce_enable_review_rating' );
}
}
if ( ! function_exists( 'understrap_quantity_input_classes' ) ) {
/**
* Add Bootstrap class to quantity input field.
*
* @param array<int,string> $classes Array of quantity input classes.
* @return array<int,string>
*/
function understrap_quantity_input_classes( $classes ) {
$classes[] = 'form-control';
return $classes;
}
}
if ( ! function_exists( 'understrap_loop_add_to_cart_link' ) ) {
/**
* Wrap add to cart link in container.
*
* @param string $html Add to cart link HTML.
* @return string Add to cart link HTML.
*/
function understrap_loop_add_to_cart_link( $html ) {
return '<div class="add-to-cart-container">' . $html . '</div>';
}
}
if ( ! function_exists( 'understrap_loop_add_to_cart_args' ) ) {
/**
* Add Bootstrap button classes to add to cart link.
*
* @param array<string,mixed> $args Array of add to cart link arguments.
* @return array<string,mixed> Array of add to cart link arguments.
*/
function understrap_loop_add_to_cart_args( $args ) {
if ( isset( $args['class'] ) && ! empty( $args['class'] ) ) {
if ( ! is_string( $args['class'] ) ) {
return $args;
}
// Remove the `button` class if it exists.
if ( false !== strpos( $args['class'], 'button' ) ) {
$args['class'] = explode( ' ', $args['class'] );
$args['class'] = array_diff( $args['class'], array( 'button' ) );
$args['class'] = implode( ' ', $args['class'] );
}
$args['class'] .= ' btn btn-outline-primary';
} else {
$args['class'] = 'btn btn-outline-primary';
}
if ( 'bootstrap4' === get_theme_mod( 'understrap_bootstrap_version', 'bootstrap4' ) ) {
$args['class'] .= ' btn-block';
}
return $args;
}
}
if ( ! function_exists( 'understrap_account_menu_item_classes' ) ) {
/**
* Add Bootstrap classes to the account navigation.
*
* @param string[] $classes Array of classes added to the account menu items.
* @return string[] Array of classes added to the account menu items.
*/
function understrap_account_menu_item_classes( $classes ) {
$classes[] = 'list-group-item';
$classes[] = 'list-group-item-action';
if ( in_array( 'is-active', $classes, true ) ) {
$classes[] = 'active';
}
return $classes;
}
}