make forms more bootstrap like

inc/woocommerce.php

@@ -7,8 +7,99 @@
  */
 
 add_action( 'after_setup_theme', 'woocommerce_support' );
-if ( ! function_exists ( 'woocommerce_support' ) ) {
+if ( ! function_exists( 'woocommerce_support' ) ) {
 	function woocommerce_support() {
-	    add_theme_support( 'woocommerce' );
+		add_theme_support( 'woocommerce' );
+		// hook in and customizer form fields
+		add_filter( 'woocommerce_form_field_args', 'wc_form_field_args', 10, 3 );
 	}
-}
+}
+
+/**
+ * Filter hook function monkey patching form classes
+ * Author: Adriano Monecchi http://stackoverflow.com/a/36724593/307826
+ *
+ * @param      $args
+ * @param      $key
+ * @param null $value
+ *
+ * @return mixed
+ */
+function wc_form_field_args( $args, $key, $value = null ) {
+
+// Start field type switch case
+
+	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' :
+			$args['class'][] = 'form-group';
+			$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;
+	}
+
+	return $args;
+}

woocommerce/global/form-login.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * Login form
+ *
+ * This template can be overridden by copying it to yourtheme/woocommerce/global/form-login.php.
+ *
+ * HOWEVER, on occasion WooCommerce will need to update template files and you
+ * (the theme developer) will need to copy the new files to your theme to
+ * maintain compatibility. We try to do this as little as possible, but it does
+ * happen. When this occurs the version of the template file will be bumped and
+ * the readme will list any important changes.
+ *
+ * @see 	    https://docs.woocommerce.com/document/template-structure/
+ * @author 		WooThemes
+ * @package 	WooCommerce/Templates
+ * @version     2.1.0
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+if ( is_user_logged_in() ) {
+	return;
+}
+
+?>
+<form method="post" class="login" <?php if ( $hidden ) echo 'style="display:none;"'; ?>>
+
+	<?php do_action( 'woocommerce_login_form_start' ); ?>
+
+	<?php if ( $message ) echo wpautop( wptexturize( $message ) ); ?>
+
+	<p class="form-row form-row-first">
+		<label for="username"><?php _e( 'Username or email', 'woocommerce' ); ?> <span class="required">*</span></label>
+		<input type="text" class="input-text form-control" name="username" id="username" />
+	</p>
+	<p class="form-row form-row-last">
+		<label for="password"><?php _e( 'Password', 'woocommerce' ); ?> <span class="required">*</span></label>
+		<input class="input-text form-control" type="password" name="password" id="password" />
+	</p>
+	<div class="clear"></div>
+
+	<?php do_action( 'woocommerce_login_form' ); ?>
+
+	<p class="form-row">
+		<?php wp_nonce_field( 'woocommerce-login' ); ?>
+		<input type="submit" class="btn btn-outline-primary" name="login" value="<?php esc_attr_e( 'Login', 'woocommerce' ); ?>" />
+		<input type="hidden" name="redirect" value="<?php echo esc_url( $redirect ) ?>" />
+		<label for="rememberme" class="inline">
+			<input name="rememberme" type="checkbox" id="rememberme" value="forever" /> <?php _e( 'Remember me', 'woocommerce' ); ?>
+		</label>
+	</p>
+	<p class="lost_password">
+		<a href="<?php echo esc_url( wp_lostpassword_url() ); ?>"><?php _e( 'Lost your password?', 'woocommerce' ); ?></a>
+	</p>
+
+	<div class="clear"></div>
+
+	<?php do_action( 'woocommerce_login_form_end' ); ?>
+
+</form>

woocommerce/global/quantity-input.php

@@ -0,0 +1,25 @@
+<?php
+/**
+ * Product quantity inputs
+ *
+ * This template can be overridden by copying it to yourtheme/woocommerce/global/quantity-input.php.
+ *
+ * HOWEVER, on occasion WooCommerce will need to update template files and you
+ * (the theme developer) will need to copy the new files to your theme to
+ * maintain compatibility. We try to do this as little as possible, but it does
+ * happen. When this occurs the version of the template file will be bumped and
+ * the readme will list any important changes.
+ *
+ * @see 	    https://docs.woocommerce.com/document/template-structure/
+ * @author 		WooThemes
+ * @package 	WooCommerce/Templates
+ * @version     2.5.0
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+?>
+<div class="quantity">
+	<input type="number" step="<?php echo esc_attr( $step ); ?>" min="<?php echo esc_attr( $min_value ); ?>" max="<?php echo esc_attr( $max_value ); ?>" name="<?php echo esc_attr( $input_name ); ?>" value="<?php echo esc_attr( $input_value ); ?>" title="<?php echo esc_attr_x( 'Qty', 'Product quantity input tooltip', 'woocommerce' ) ?>" class="input-text qty text form-control" size="4" pattern="<?php echo esc_attr( $pattern ); ?>" inputmode="<?php echo esc_attr( $inputmode ); ?>" />
+</div>