Hide or show payment methods in Ecwid depending on the delivery methods selected

ecwid-cash-on-delivery.js

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yepnope([
  {
    test: 'jQuery' in window,
    nope: 'http://cdnjs.cloudflare.com/ajax/libs/jquery/1.7.2/jquery.min.js',
    callback: function(url, result, key) {
      if (!result) { // 'jQuery' in window evaluated to false, hence the jQuery was loaded into page, hence we need the noConflict() 
        jQuery.noConflict();
      }
    }
  }, {
    test: 'JSON' in window,
    nope: 'http://cdnjs.cloudflare.com/ajax/libs/json2/20110223/json2.js',
    complete: function() {
      Ecwid.paymentOptionElement = function(caption) {
        return jQuery("label:contains('" + caption + "')").parents('.ecwid-PaymentMethodsBlock-PaymentOption');
      };
      Ecwid.OnPageLoaded.add(function(page) {
        var data;
        if (page.type === 'CHECKOUT_PAYMENT_DETAILS') {
          (data = new Persist.Store("ecwid_" + (Ecwid.getOwnerId()))).get('cart', function(status, value) {
            var cart;
            cart = JSON.parse(value);
            if ((cart != null) && (cart.order != null) && (cart.order.shippingOption != null)) {
              if (cart.order.shippingOption.shippingMethodName === "Самовывоз") {
                Ecwid.paymentOptionElement('Robokassa').hide();
                Ecwid.paymentOptionElement('Банковский Перевод').hide();
              } else if (cart.order.shippingOption.shippingMethodName === "EMS Почта России") {
                Ecwid.paymentOptionElement('Наличными Курьеру (только Москва)').hide();
              }
            }
          });
          if (jQuery('.ecwid-PaymentMethodsBlock-PaymentOption:visible input:checked').length === 0) {
            jQuery('.ecwid-PaymentMethodsBlock-PaymentOption:visible:first input').click();
          }
        }
      });
    }
  }
]);