JezK

Edit File: html-product-attribute-inner.php

<?php
/**
 * Product attribute table for reuse.
 *
 * @package WooCommerce\Admin
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

use Automattic\WooCommerce\Internal\ProductAttributes\VisualAttributeTermMeta;
?>

<?php if ( $attribute->is_taxonomy() ) : ?>
				<strong><?php echo esc_html( wc_attribute_label( $attribute->get_name() ) ); ?></strong>
				<input type="hidden" name="attribute_names[<?php echo esc_attr( $i ); ?>]" value="<?php echo esc_attr( $attribute->get_name() ); ?>" />
			<?php else : ?>
				<input type="text" class="attribute_name" name="attribute_names[<?php echo esc_attr( $i ); ?>]" value="<?php echo esc_attr( $attribute->get_name() ); ?>" placeholder="<?php esc_attr_e( 'e.g. length or weight', 'woocommerce' ); ?>" />
			<?php endif; ?>
			<input type="hidden" name="attribute_position[<?php echo esc_attr( $i ); ?>]" class="attribute_position" value="<?php echo esc_attr( $attribute->get_position() ); ?>" />
		</td>
		<td rowspan="3">
			<label><?php esc_html_e( 'Value(s)', 'woocommerce' ); ?>:</label>
			<?php
			if ( $attribute->is_taxonomy() && $attribute->get_taxonomy_object() ) {
				$attribute_taxonomy = $attribute->get_taxonomy_object();
				$attribute_types    = wc_get_attribute_types();

if ( ! array_key_exists( $attribute_taxonomy->attribute_type, $attribute_types ) ) {
					$attribute_taxonomy->attribute_type = 'select';
				}

if (
					'select' === $attribute_taxonomy->attribute_type ||
					'wc-visual' === $attribute_taxonomy->attribute_type
				) {
					$is_visual_attribute = 'wc-visual' === $attribute_taxonomy->attribute_type;
					$attribute_orderby   = ! empty( $attribute_taxonomy->attribute_orderby ) ? $attribute_taxonomy->attribute_orderby : 'name';
					/**
					* Filter the length (number of terms) rendered in the list.
					*
					* @since 8.8.0
					* @param int $term_limit The maximum number of terms to display in the list.
					*/
					$term_limit = absint( apply_filters( 'woocommerce_admin_terms_metabox_datalimit', 50 ) );
					?>
					<select multiple="multiple"
							data-minimum_input_length="0"
							data-limit="<?php echo esc_attr( $term_limit ); ?>" data-return_id="id"
							data-placeholder="<?php esc_attr_e( 'Select values', 'woocommerce' ); ?>"
							data-orderby="<?php echo esc_attr( $attribute_orderby ); ?>"
							class="multiselect attribute_values wc-taxonomy-term-search"
							name="attribute_values[<?php echo esc_attr( $i ); ?>][]"
							data-taxonomy="<?php echo esc_attr( $attribute->get_taxonomy() ); ?>"
							data-is-visual-attribute="<?php echo esc_attr( wc_bool_to_string( $is_visual_attribute ) ); ?>">
						<?php
						$selected_terms = $attribute->get_terms();
						$term_visuals   = array();

if ( $selected_terms && $is_visual_attribute ) {
							$term_visuals = VisualAttributeTermMeta::get_term_visuals( wp_list_pluck( $selected_terms, 'term_id' ) );
						}

if ( $selected_terms ) {
							foreach ( $selected_terms as $selected_term ) {
								$option_attributes = array(
									'value'    => $selected_term->term_id,
									'selected' => 'selected',
								);

if ( $is_visual_attribute ) {
									$option_attributes['data-visual'] = wp_json_encode(
										$term_visuals[ $selected_term->term_id ] ?? VisualAttributeTermMeta::get_empty_visual()
									);
								}

$option_attribute_string = '';

foreach ( $option_attributes as $attribute_name => $attribute_value ) {
									$option_attribute_string .= sprintf(
										' %1$s="%2$s"',
										esc_attr( $attribute_name ),
										esc_attr( $attribute_value )
									);
								}

/**
								 * Filter the selected attribute term name.
								 *
								 * @since 3.4.0
								 * @param string  $name Name of selected term.
								 * @param array   $term The selected term object.
								 */
								echo '<option' . $option_attribute_string . '>' . esc_html( apply_filters( 'woocommerce_product_attribute_term_name', $selected_term->name, $selected_term ) ) . '</option>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
							}
						}
						?>
					</select>
					<button class="button plus select_all_attributes"><?php esc_html_e( 'Select all', 'woocommerce' ); ?></button>
					<button class="button minus select_no_attributes"><?php esc_html_e( 'Select none', 'woocommerce' ); ?></button>
					<button class="button fr plus add_new_attribute" data-is-visual-attribute="<?php echo esc_attr( wc_bool_to_string( 'wc-visual' === $attribute_taxonomy->attribute_type ) ); ?>"><?php esc_html_e( 'Create value', 'woocommerce' ); ?></button>
					<?php
				}

/**
				 * Hook to display custom attribute terms.
				 *
				 * @since 3.4.0
				 * @param array|null $attribute_taxonomy Attribute taxonomy object.
				 * @param int $i Attribute index.
				 * @param WC_Product_Attribute $attribute Attribute object.
				 */
				do_action( 'woocommerce_product_option_terms', $attribute_taxonomy, $i, $attribute );
			} else {
				?>
				<textarea name="attribute_values[<?php echo esc_attr( $i ); ?>]" cols="5" rows="5"><?php echo esc_textarea( wc_implode_text_attributes( $attribute->get_options() ) ); ?></textarea>
				<?php
			}
			?>
		</td>
	</tr>
	<tr>
		<td>
			<label><input type="checkbox" class="woocommerce_attribute_visible_on_product_page checkbox" <?php checked( $attribute->get_visible(), true ); ?> name="attribute_visibility[<?php echo esc_attr( $i ); ?>]" value="1" /> <?php esc_html_e( 'Visible on the product page', 'woocommerce' ); ?></label>
		</td>
	</tr>
	<tr>
		<td>
			<div class="enable_variation show_if_variable">
				<label><input type="checkbox" class="woocommerce_attribute_used_for_variations checkbox" <?php checked( $attribute->get_variation(), true ); ?> name="attribute_variation[<?php echo esc_attr( $i ); ?>]" value="1" /> <?php esc_html_e( 'Used for variations', 'woocommerce' ); ?></label>
			</div>
		</td>
	</tr>
	<?php
	/**
	 * Hook to display custom attribute terms.
	 *
	 * @since 3.4.0
	 * @param WC_Product_Attribute $attribute Attribute object.
	 * @param int $i Attribute index.
	 */
	do_action( 'woocommerce_after_product_attribute_settings', $attribute, $i );
	?>
	</tbody>
</table>