File: /home/retile.ru/public_html/catalog/view/theme/default/template/extension/total/shipping.twig
<div class="panel panel-default">
  <div class="panel-heading">
    <h4 class="panel-title"><a href="#collapse-shipping" class="accordion-toggle" data-toggle="collapse" data-parent="#accordion">{{ heading_title }} <i class="fa fa-caret-down"></i></a></h4>
  </div>
  <div id="collapse-shipping" class="panel-collapse collapse">
    <div class="panel-body">
      <p>{{ text_shipping }}</p>
      <div class="form-horizontal">
        <div class="form-group required">
          <label class="col-sm-2 control-label" for="input-country">{{ entry_country }}</label>
          <div class="col-sm-10">
            <select name="country_id" id="input-country" class="form-control">
              <option value="">{{ text_select }}</option>
              {% for country in countries %}
              {% if country.country_id == country_id %}
              <option value="{{ country.country_id }}" selected="selected">{{ country.name }}</option>
              {% else %}
              <option value="{{ country.country_id }}">{{ country.name }}</option>
              {% endif %}
              {% endfor %}
            </select>
          </div>
        </div>
        <div class="form-group required">
          <label class="col-sm-2 control-label" for="input-zone">{{ entry_zone }}</label>
          <div class="col-sm-10">
            <select name="zone_id" id="input-zone" class="form-control">
            </select>
          </div>
        </div>
        <div class="form-group required">
          <label class="col-sm-2 control-label" for="input-postcode">{{ entry_postcode }}</label>
          <div class="col-sm-10">
            <input type="text" name="postcode" value="{{ postcode }}" placeholder="{{ entry_postcode }}" id="input-postcode" class="form-control" />
          </div>
        </div>
        <button type="button" id="button-quote" data-loading-text="{{ text_loading }}" class="btn btn-primary">{{ button_quote }}</button>
      </div>
      <script type="text/javascript"><!--
$('#button-quote').on('click', function() {
	$.ajax({
		url: 'index.php?route=extension/total/shipping/quote',
		type: 'post',
		data: 'country_id=' + $('select[name=\'country_id\']').val() + '&zone_id=' + $('select[name=\'zone_id\']').val() + '&postcode=' + encodeURIComponent($('input[name=\'postcode\']').val()),
		dataType: 'json',
		beforeSend: function() {
			$('#button-quote').button('loading');
		},
		complete: function() {
			$('#button-quote').button('reset');
		},
		success: function(json) {
			$('.alert-dismissible, .text-danger').remove();
			if (json['error']) {
				if (json['error']['warning']) {
					$('.breadcrumb').after('<div class="alert alert-danger alert-dismissible"><i class="fa fa-exclamation-circle"></i> ' + json['error']['warning'] + '<button type="button" class="close" data-dismiss="alert">×</button></div>');
					$('html, body').animate({ scrollTop: 0 }, 'slow');
				}
				if (json['error']['country']) {
					$('select[name=\'country_id\']').after('<div class="text-danger">' + json['error']['country'] + '</div>');
				}
				if (json['error']['zone']) {
					$('select[name=\'zone_id\']').after('<div class="text-danger">' + json['error']['zone'] + '</div>');
				}
				if (json['error']['postcode']) {
					$('input[name=\'postcode\']').after('<div class="text-danger">' + json['error']['postcode'] + '</div>');
				}
			}
			if (json['shipping_method']) {
				$('#modal-shipping').remove();
				html  = '<div id="modal-shipping" class="modal">';
				html += '  <div class="modal-dialog">';
				html += '    <div class="modal-content">';
				html += '      <div class="modal-header">';
				html += '        <h4 class="modal-title">{{ text_shipping_method }}</h4>';
				html += '      </div>';
				html += '      <div class="modal-body">';
				for (i in json['shipping_method']) {
					html += '<p><strong>' + json['shipping_method'][i]['title'] + '</strong></p>';
					if (!json['shipping_method'][i]['error']) {
						for (j in json['shipping_method'][i]['quote']) {
							html += '<div class="radio">';
							html += '  <label>';
							if (json['shipping_method'][i]['quote'][j]['code'] == '{{ shipping_method }}') {
								html += '<input type="radio" name="shipping_method" value="' + json['shipping_method'][i]['quote'][j]['code'] + '" checked="checked" />';
							} else {
								html += '<input type="radio" name="shipping_method" value="' + json['shipping_method'][i]['quote'][j]['code'] + '" />';
							}
							html += json['shipping_method'][i]['quote'][j]['title'] + ' - ' + json['shipping_method'][i]['quote'][j]['text'] + '</label></div>';
						}
					} else {
						html += '<div class="alert alert-danger alert-dismissible">' + json['shipping_method'][i]['error'] + '</div>';
					}
				}
				html += '      </div>';
				html += '      <div class="modal-footer">';
				html += '        <button type="button" class="btn btn-default" data-dismiss="modal">{{ button_cancel }}</button>';
				{% if shipping_method %}
				html += '        <input type="button" value="{{ button_shipping }}" id="button-shipping" data-loading-text="{{ text_loading }}" class="btn btn-primary" />';
				{% else %}
				html += '        <input type="button" value="{{ button_shipping }}" id="button-shipping" data-loading-text="{{ text_loading }}" class="btn btn-primary" disabled="disabled" />';
				{% endif %}
				html += '      </div>';
				html += '    </div>';
				html += '  </div>';
				html += '</div> ';
				$('body').append(html);
				$('#modal-shipping').modal('show');
				$('input[name=\'shipping_method\']').on('change', function() {
					$('#button-shipping').prop('disabled', false);
				});
			}
		},
		error: function(xhr, ajaxOptions, thrownError) {
			alert(thrownError + "\r\n" + xhr.statusText + "\r\n" + xhr.responseText);
		}
	});
});
$(document).delegate('#button-shipping', 'click', function() {
	$.ajax({
		url: 'index.php?route=extension/total/shipping/shipping',
		type: 'post',
		data: 'shipping_method=' + encodeURIComponent($('input[name=\'shipping_method\']:checked').val()),
		dataType: 'json',
		beforeSend: function() {
			$('#button-shipping').button('loading');
		},
		complete: function() {
			$('#button-shipping').button('reset');
		},
		success: function(json) {
			$('.alert-dismissible').remove();
			if (json['error']) {
				$('.breadcrumb').after('<div class="alert alert-danger alert-dismissible"><i class="fa fa-exclamation-circle"></i> ' + json['error'] + '<button type="button" class="close" data-dismiss="alert">×</button></div>');
				$('html, body').animate({ scrollTop: 0 }, 'slow');
			}
			if (json['redirect']) {
				location = json['redirect'];
			}
		},
		error: function(xhr, ajaxOptions, thrownError) {
			alert(thrownError + "\r\n" + xhr.statusText + "\r\n" + xhr.responseText);
		}
	});
});
//--></script>
<script type="text/javascript"><!--
$('select[name=\'country_id\']').on('change', function() {
	$.ajax({
		url: 'index.php?route=extension/total/shipping/country&country_id=' + this.value,
		dataType: 'json',
		beforeSend: function() {
			$('select[name=\'country_id\']').prop('disabled', true);
		},
		complete: function() {
			$('select[name=\'country_id\']').prop('disabled', false);
		},
		success: function(json) {
			if (json['postcode_required'] == '1') {
				$('input[name=\'postcode\']').parent().parent().addClass('required');
			} else {
				$('input[name=\'postcode\']').parent().parent().removeClass('required');
			}
			html = '<option value="">{{ text_select }}</option>';
			if (json['zone'] && json['zone'] != '') {
				for (i = 0; i < json['zone'].length; i++) {
					html += '<option value="' + json['zone'][i]['zone_id'] + '"';
					if (json['zone'][i]['zone_id'] == '{{ zone_id }}') {
						html += ' selected="selected"';
					}
					html += '>' + json['zone'][i]['name'] + '</option>';
				}
			} else {
				html += '<option value="0" selected="selected">{{ text_none }}</option>';
			}
			$('select[name=\'zone_id\']').html(html);
		},
		error: function(xhr, ajaxOptions, thrownError) {
			alert(thrownError + "\r\n" + xhr.statusText + "\r\n" + xhr.responseText);
		}
	});
});
$('select[name=\'country_id\']').trigger('change');
//--></script>
    </div>
  </div>
</div>