// $Id: uc_addresses.js,v 1.2 2009/04/20 20:50:00 freixas Exp $

/**
 * Set the select box change behavior for the country selector
 */
Drupal.behaviors.ucAddressesCountrySelect = function(context) {
  $('select[@id*=-country-]:not(.ucAddressesCountrySelect-processed)', context).addClass('ucAddressesCountrySelect-processed').change(
      function() {
	uc_addresses_update_zone_select(this.id, '');
      }
    );
}

function uc_addresses_update_zone_select(country_select, default_zone) {
  var zone_select =
    country_select.substr(0, country_select.length - 10) +
    '-zone' +
    country_select.substr(country_select.length - 2 );

  var options = {
    'country_id' : $('#' + country_select).val(),
    'form_build_id' : $('form[@id^=uc-addresses] input[@name=form_build_id]').val()
  };

  $('#' + zone_select).parent()
    .siblings('.zone-throbber')
    .attr('style', 'background-image: url(' + Drupal.settings.basePath + 'misc/throbber.gif); background-repeat: no-repeat; background-position: 100% -20px;')
    .html('    ');

  $.post(Drupal.settings.basePath + '?q=uc_addresses_js_util', options,
	 function (contents) {
	   if (contents.match('value="-1"') != null) {
	     $('#' + zone_select).attr('disabled', 'disabled');
	   }
	   else {
	     $('#' + zone_select).removeAttr('disabled');
	   }
	   $('#' + zone_select).empty().append(contents).val(default_zone).change();
	   $('#' + zone_select).parent().siblings('.zone-throbber').removeAttr('style').empty();
	 }
    );
}