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understrap/inc/woocommerce.php

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<?php
/**
* Add WooCommerce support
*
* @package understrap
*/
add_action( 'after_setup_theme', 'woocommerce_support' );
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if ( ! function_exists( 'woocommerce_support' ) ) {
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/**
* Declares WooCommerce theme support.
*/
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function woocommerce_support() {
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add_theme_support( 'woocommerce' );
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// hook in and customizer form fields.
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add_filter( 'woocommerce_form_field_args', 'wc_form_field_args', 10, 3 );
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}
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}
/**
* Filter hook function monkey patching form classes
* Author: Adriano Monecchi http://stackoverflow.com/a/36724593/307826
*
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* @param string $args Form attributes.
* @param string $key Not in use.
* @param null $value Not in use.
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*
* @return mixed
*/
function wc_form_field_args( $args, $key, $value = null ) {
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// Start field type switch case.
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switch ( $args['type'] ) {
/* Targets all select input type elements, except the country and state select input types */
case 'select' :
// Add a class to the field's html element wrapper - woocommerce
// input types (fields) are often wrapped within a <p></p> tag.
$args['class'][] = 'form-group';
// Add a class to the form input itself.
$args['input_class'] = array( 'form-control', 'input-lg' );
$args['label_class'] = array( 'control-label' );
$args['custom_attributes'] = array(
'data-plugin' => 'select2',
'data-allow-clear' => 'true',
'aria-hidden' => 'true',
// Add custom data attributes to the form input itself.
);
break;
// By default WooCommerce will populate a select with the country names - $args
// defined for this specific input type targets only the country select element.
case 'country' :
$args['class'][] = 'form-group single-country';
$args['label_class'] = array( 'control-label' );
break;
// By default WooCommerce will populate a select with state names - $args defined
// for this specific input type targets only the country select element.
case 'state' :
// Add class to the field's html element wrapper.
$args['class'][] = 'form-group';
// add class to the form input itself.
$args['input_class'] = array( '', 'input-lg' );
$args['label_class'] = array( 'control-label' );
$args['custom_attributes'] = array(
'data-plugin' => 'select2',
'data-allow-clear' => 'true',
'aria-hidden' => 'true',
);
break;
case 'password' :
case 'text' :
case 'email' :
case 'tel' :
case 'number' :
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$args['class'][] = 'form-group';
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$args['input_class'] = array( 'form-control', 'input-lg' );
$args['label_class'] = array( 'control-label' );
break;
case 'textarea' :
$args['input_class'] = array( 'form-control', 'input-lg' );
$args['label_class'] = array( 'control-label' );
break;
case 'checkbox' :
$args['label_class'] = array( 'custom-control custom-checkbox' );
$args['input_class'] = array( 'custom-control-input', 'input-lg' );
break;
case 'radio' :
$args['label_class'] = array( 'custom-control custom-radio' );
$args['input_class'] = array( 'custom-control-input', 'input-lg' );
break;
default :
$args['class'][] = 'form-group';
$args['input_class'] = array( 'form-control', 'input-lg' );
$args['label_class'] = array( 'control-label' );
break;
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} // end switch ($args).
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return $args;
}