woocommerce/assets/js/frontend/address-i18n.js

jQuery(function($) {

	var locale_json = wc_address_i18n_params.locale.replace(/"/g, '"');
	var locale = $.parseJSON( locale_json );
	var required = ' <abbr class="required" title="' + wc_address_i18n_params.i18n_required_text + '">*</abbr>';

	$('body')

	// Handle locale
	.bind('country_to_state_changing', function( event, country, wrapper ){

		var thisform = wrapper;

		if ( typeof locale[country] != 'undefined' ) {
			var thislocale = locale[country];
		} else {
			var thislocale = locale['default'];
		}

		// Handle locale fields
		var locale_fields = $.parseJSON( wc_address_i18n_params.locale_fields );

		$.each( locale_fields, function( key, value ) {

			var field = thisform.find( value );

			if ( thislocale[key] ) {

				if ( thislocale[key]['label'] ) {
					field.find('label').html( thislocale[key]['label'] );
				}

				if ( thislocale[key]['placeholder'] ) {
					field.find('input').attr( 'placeholder', thislocale[key]['placeholder'] );
				}

				field.find('label abbr').remove();

				if ( typeof thislocale[key]['required'] == 'undefined' && locale['default'][key]['required'] == true ) {
					field.find('label').append( required );
				} else if ( thislocale[key]['required'] == true ) {
					field.find('label').append( required );
				}

				if ( key !== 'state' ) {
					if ( thislocale[key]['hidden'] == true ) {
						field.hide().find('input').val('');
					} else {
						field.show();
					}
				}

			} else if ( locale['default'][key] ) {
				if ( locale['default'][key]['required'] == true ) {
					if (field.find('label abbr').size()==0) field.find('label').append( required );
				}
				if ( key !== 'state' ) {
					if ( typeof locale['default'][key]['hidden'] == 'undefined' || locale['default'][key]['hidden'] == false ) {
						field.show();
					} else if ( locale['default'][key]['hidden'] == true ) {
						field.hide().find('input').val('');
					}
				}
			}

		});

		var $postcodefield = thisform.find('#billing_postcode_field, #shipping_postcode_field');
		var $cityfield     = thisform.find('#billing_city_field, #shipping_city_field');
		var $statefield    = thisform.find('#billing_state_field, #shipping_state_field');

		if ( ! $postcodefield.attr('data-o_class') ) {
			$postcodefield.attr('data-o_class', $postcodefield.attr('class'));
			$cityfield.attr('data-o_class', $cityfield.attr('class'));
			$statefield.attr('data-o_class', $statefield.attr('class'));
		}

		// Re-order postcode/city
		if ( thislocale['postcode_before_city'] ) {

			$postcodefield.add( $cityfield ).add( $statefield ).removeClass('form-row-first form-row-last').addClass('form-row-wide');
			$postcodefield.insertBefore( $cityfield );

		} else {
			// Default
			$postcodefield.attr('class', $postcodefield.attr('data-o_class'));
			$cityfield.attr('class', $cityfield.attr('data-o_class'));
			$statefield.attr('class', $statefield.attr('data-o_class'));
			$postcodefield.insertAfter( $statefield );
		}

	});

});