version,
true
);
}
/**
* Add CSS.
*/
public function add_css() {
ob_start();
?>
.ux-additional-variation-images-thumbs-placeholder {
max-height: 0;
opacity: 0;
visibility: hidden;
transition: visibility .1s, opacity .1s, max-height .2s ease-out;
}
.ux-additional-variation-images-thumbs-placeholder--visible {
max-height: 1000px;
opacity: 1;
visibility: visible;
transition: visibility .2s, opacity .2s, max-height .1s ease-in;
}
';
$css .= $output;
$css .= '';
echo flatsome_minify_css( $css ); // phpcs:ignore WordPress.Security.EscapeOutput
}
/**
* Makes the thumbnail slider render hidden as placeholder if only the post thumbnail is present.
*
* @param bool $render_without_attachments Whether to render without attachments.
* @param \WC_product $product Product object.
* @param array $args Arguments.
*
* @return bool|mixed
*/
public function thumbnails_render_without_attachments( $render_without_attachments, $product, $args ) {
if ( isset( $args['thumb_count'] ) && $args['thumb_count'] == 1 ) {
if ( $this->has_additional_variation_images( $product ) ) {
add_filter( 'flatsome_single_product_thumbnails_classes', function ( $classes ) {
$classes[] = 'ux-additional-variation-images-thumbs-placeholder';
return $classes;
} );
return true;
}
}
return $render_without_attachments;
}
/**
* Load images frontend ajax.
*/
public function load_images_ajax() {
$variation_id = isset( $_POST['variation_id'] ) ? absint( $_POST['variation_id'] ) : 0; // phpcs:ignore WordPress.Security.NonceVerification
$variation = $variation_id ? wc_get_product( $variation_id ) : false;
if ( ! $variation || ! $variation->is_visible() ) {
wp_send_json_error();
}
$attachment_ids = array_filter( explode( ',', variation_images()->get_image_ids( $variation_id ) ) );
$variation_main_image = $variation->get_image_id();
if ( ! empty( $variation_main_image ) ) {
array_unshift( $attachment_ids, $variation_main_image );
}
if ( empty( $attachment_ids ) ) {
wp_send_json_error();
}
// Collect main images.
$images = array();
foreach ( $attachment_ids as $attachment_id ) {
$images[] = apply_filters( 'woocommerce_single_product_image_thumbnail_html', flatsome_wc_get_gallery_image_html( $attachment_id, false ), $attachment_id );
}
// Collect thumb images (see product-gallery-thumbnails.php).
$thumbs = array();
$image_size = 'thumbnail';
// Check if custom gallery thumbnail size is set and use that.
$image_check = wc_get_image_size( 'gallery_thumbnail' );
if ( $image_check['width'] !== 100 ) {
$image_size = 'gallery_thumbnail';
}
$gallery_thumbnail = wc_get_image_size( apply_filters( 'woocommerce_gallery_thumbnail_size', 'woocommerce_' . $image_size ) );
foreach ( $attachment_ids as $attachment_id ) {
$classes = array();
$image_class = esc_attr( implode( ' ', $classes ) );
$image = wp_get_attachment_image_src( $attachment_id, apply_filters( 'woocommerce_gallery_thumbnail_size', 'woocommerce_' . $image_size ) );
if ( empty( $image ) ) {
continue;
}
$image_alt = get_post_meta( $attachment_id, '_wp_attachment_image_alt', true );
$image = '
';
$thumbs[] = apply_filters( 'woocommerce_single_product_image_thumbnail_html', sprintf( '', $image ), $attachment_id, 0, $image_class );
}
wp_send_json( array(
'data' => array(
'uniqueMainImage' => (bool) $variation->get_image_id( 'edit ' ),
'images' => $images,
'thumbs' => $thumbs,
),
) );
}
/**
* Does a particular product have additional variation image(s) assigned?
*
* @param \WC_Product $product Product object.
*
* @return bool
*/
private function has_additional_variation_images( $product ) {
if ( $product->is_type( 'variable' ) ) {
if ( ! empty( variation_images()->get_image_ids( $product->get_id() ) ) ) {
return true;
}
}
$variation_ids = $product->get_children();
if ( count( $variation_ids ) > 0 ) {
foreach ( $variation_ids as $variation_id ) {
if ( ! empty( variation_images()->get_image_ids( $variation_id ) ) ) {
return true;
}
}
}
return false;
}
}