File Content: meta-boxes-coupon.js /* global woocommerce_admin_meta_boxes_coupon */ jQuery(function( $ ) { /** * Coupon actions */ var wc_meta_boxes_coupon_actions = { /** * Initialize variations actions */ init: function() { $( 'select#discount_type' ) .on( 'change', this.type_options ) .trigger( 'change' ); this.insert_generate_coupon_code_button(); $( '.button.generate-coupon-code' ).on( 'click', this.generate_coupon_code ); }, /** * Show/hide fields by coupon type options */ type_options: function() { // Get value var select_val = $( this ).val(); if ( 'percent' === select_val ) { $( '#coupon_amount' ).removeClass( 'wc_input_price' ).addClass( 'wc_input_decimal' ); } else { $( '#coupon_amount' ).removeClass( 'wc_input_decimal' ).addClass( 'wc_input_price' ); } if ( select_val !== 'fixed_cart' ) { $( '.limit_usage_to_x_items_field' ).show(); } else { $( '.limit_usage_to_x_items_field' ).hide(); } }, /** * Insert generate coupon code buttom HTML. */ insert_generate_coupon_code_button: function() { $( '.post-type-shop_coupon' ).find( '#title' ).after( '<a href="#" class="button generate-coupon-code">' + woocommerce_admin_meta_boxes_coupon.generate_button_text + '</a>' ); }, /** * Generate a random coupon code */ generate_coupon_code: function( e ) { e.preventDefault(); var $coupon_code_field = $( '#title' ), $coupon_code_label = $( '#title-prompt-text' ), $result = ''; for ( var i = 0; i < woocommerce_admin_meta_boxes_coupon.char_length; i++ ) { $result += woocommerce_admin_meta_boxes_coupon.characters.charAt( Math.floor( Math.random() * woocommerce_admin_meta_boxes_coupon.characters.length ) ); } $result = woocommerce_admin_meta_boxes_coupon.prefix + $result + woocommerce_admin_meta_boxes_coupon.suffix; $coupon_code_field.trigger( 'focus' ).val( $result ); $coupon_code_label.addClass( 'screen-reader-text' ); } }; wc_meta_boxes_coupon_actions.init(); }); Submit