How to use WooFood Plugin Ajax feature with Flatsome Theme
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Add the following code to your functions.php on your Flatsome Child Theme. The following code will replace the default title link on shop loop with the link to our Ajax Quick View

remove_action( 'woocommerce_shop_loop_item_title','woocommerce_template_loop_product_title', 10 );
add_action('woocommerce_shop_loop_item_title', 'woofood_flatsome_title_add_ajax_quickview', 10 );
function woofood_flatsome_title_add_ajax_quickview() {
    echo '<h2 class="woocommerce-loop-product_title"><a rel="nofollow" qv-id = "'.get_the_ID().'" class="woocommerce-LoopProduct-link woofood-quickview-button">' . get_the_title() . '</a></h2>';
}

Please also create a folder woocommerce inside your child theme and create a file with name content-product.php and paste the following code inside.

<?php
/**
 * The template for displaying product content within loops
 *
 * This template can be overridden by copying it to yourtheme/woocommerce/content-product.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/
 * @package WooCommerce/Templates
 * @version 3.6.0
 */

defined( 'ABSPATH' ) || exit;

global $product;

// Ensure visibility.
if ( empty( $product ) || ! $product->is_visible() ) {
	return;
}

// Check stock status.
$out_of_stock = get_post_meta( $post->ID, '_stock_status', true ) == 'outofstock';

// Extra post classes.
$classes   = array();
$classes[] = 'product-small';
$classes[] = 'col';
$classes[] = 'has-hover';

if ( $out_of_stock ) $classes[] = 'out-of-stock';

?>

<div <?php fl_woocommerce_version_check( '3.4.0' ) ? wc_product_class( $classes, $product ) : post_class( $classes ); ?>>
	<div class="col-inner">
	<?php do_action( 'woocommerce_before_shop_loop_item' ); ?>
	<div rel="nofollow" qv-id = "<?php echo get_the_ID(); ?>" class="product-small box woocommerce-LoopProduct-link woofood-quickview-button">
		<div class="box-image">
			<div class="<?php echo flatsome_product_box_image_class(); ?>">
				<a href="<?php echo get_the_permalink(); ?>">
					<?php
						/**
						 *
						 * @hooked woocommerce_get_alt_product_thumbnail - 11
						 * @hooked woocommerce_template_loop_product_thumbnail - 10
						 */
						do_action( 'flatsome_woocommerce_shop_loop_images' );
					?>
				</a>
			</div>
			<div class="image-tools is-small top right show-on-hover">
				<?php do_action( 'flatsome_product_box_tools_top' ); ?>
			</div>
			<div class="image-tools is-small hide-for-small bottom left show-on-hover">
				<?php do_action( 'flatsome_product_box_tools_bottom' ); ?>
			</div>
			<div class="image-tools <?php echo flatsome_product_box_actions_class(); ?>">
				<?php do_action( 'flatsome_product_box_actions' ); ?>
			</div>
			<?php if ( $out_of_stock ) { ?><div class="out-of-stock-label"><?php _e( 'Out of stock', 'woocommerce' ); ?></div><?php } ?>
		</div><!-- box-image -->

		<div class="box-text <?php echo flatsome_product_box_text_class(); ?>">
			<?php
				do_action( 'woocommerce_before_shop_loop_item_title' );

				echo '<div class="title-wrapper">';
				do_action( 'woocommerce_shop_loop_item_title' );
				echo '</div>';


				echo '<div class="price-wrapper">';
				do_action( 'woocommerce_after_shop_loop_item_title' );
				echo '</div>';

				do_action( 'flatsome_product_box_after' );

			?>
		</div><!-- box-text -->
	</div><!-- box -->
	<?php do_action( 'woocommerce_after_shop_loop_item' ); ?>
	</div><!-- .col-inner -->
</div><!-- col -->

If you are still not able to make WooFood Plugin work with Flatsome feel free to open a ticket by pressing here  and we will be happy 🙂 to help you