+/*

+* Funkce přidá tlačítko pro přiřazení stejné ceny všem variacím

+*

+*   https://www.gowp.com/blog/apply-the-price-of-a-woocommerce-product-variation-to-all-variations-of-the-same-product/

+*/

+

+add_action( 'woocommerce_product_data_panels', 'gowp_global_variation_price' );

+function gowp_global_variation_price() {

+	global $woocommerce;

+	?>

+		<script type="text/javascript">

+			function addVariationLinks() {

+				a = jQuery( '<a href="#">Apply to all Variations</a>' );

+				b = jQuery( 'input[name^="variable_regular_price"]' );

+				a.click( function( c ) {

+					d = jQuery( this ).parent( 'label' ).next( 'input[name^="variable_regular_price"]' ).val();

+					e = confirm( "Change the price of all variations to " + d + "?" );

+					if ( e ) b.val( d ).trigger( 'change' );

+					c.preventDefault();

+				} );

+				b.prev( 'label' ).append( " " ).append( a );

+			}

+			<?php if ( version_compare( $woocommerce->version, '2.4', '>=' ) ) : ?>

+				jQuery( document ).ready( function() {

+					jQuery( document ).ajaxComplete( function( event, request, settings ) {

+						if ( settings.data.lastIndexOf( "action=woocommerce_load_variations", 0 ) === 0 ) {

+							addVariationLinks();

+						}

+					} );

+				} );

+			<?php else: ?>

+				addVariationLinks();

+			<?php endif; ?>

+		</script>

+	<?php