jquery.radiofy.js

/* jQuery Radiofy
 * ==============
 * Turns a select into a hidden text input and
 * a set of radio buttons that resemble the options.
 * This is used to enable client_side_validations for radio buttons.
 * ---
 * Daniel Kirsch
 * (c) 2012 Zweitag GmbH
 */
(function($){
  $.fn.radiofy = function (opts) {
    opts = $.extend({}, opts);
    if (!this.is('select')) return;
    this.replaceWith(function () {
      var select = $(this);
      var name = select.attr('name'), id = select.attr('id'), val = select.val();
      var attributes = {}; $.each(this.attributes, function () { attributes[this.name] = this.value; });
      var ul = $('<ul>');
      var hidden = $('<input type="text">').attr(attributes).val(val).prependTo(ul).hide();
      $(this).find('option').each(function (index) {
        var option = $(this);
        if (opts.skip_empty && option.val() == '') return; // skip empty option
        var li = $('<li>').appendTo(ul);
        var label = $('<label>').attr({for: 'radiofied_' + id + '_' + index}).appendTo(li);
        var radio = $('<input type="radio">').attr({id: 'radiofied_' + id + '_' + index, name: 'radiofied_' + name}).val($(this).val()).appendTo(label);
        if (option.is(':selected')) radio.attr('checked', true);

        radio.change(function () {
          if (radio.is(':checked')) hidden.val(radio.val()).change().focusout();
        });
        label.append($('<span>').append($(this).text()));
      });
      return ul;
    });
  }
})(jQuery);

Fork: Fix setting of 'for' attribute of label element for IE (IE was excited to loop around when seeing the for (non-)keyword)