jQuery Autocomplete editor for SlickGrid js table

slickgrid_autocomplete_editor.js

function AutoCompleteEditor(args) {
    var $input;
    var defaultValue;
    var scope = this;
    var calendarOpen = false;

    this.init = function () {
      $input = $("<INPUT type=text class='editor-text' />");

      $input.appendTo(args.container);

      if(args.column.values){
        availableOptions = args.column.values;
      }else{
        availableOptions = '';
      }
      $input.focus().select();
      $input.autocomplete({
        source: availableOptions
      });
    };

    this.destroy = function () {
      $input.autocomplete("destroy");
     };

    this.focus = function () {
      $input.focus();
     };

    this.loadValue = function (item) {
      defaultValue = item[args.column.field];
      $input.val(defaultValue);
      $input[0].defaultValue = defaultValue;
      $input.select();

     };

    this.serializeValue = function () {
      return $input.val();
    };

    this.applyValue = function (item, state) {
      item.autocompleted_value = state;
      item[args.column.field] = state;
    };

    this.isValueChanged = function () {
      return (!($input.val() == "" && defaultValue == null)) && ($input.val() != defaultValue);
    };

    this.validate = function () {
      return {
        valid: true,
        msg: null
      };
    };

    this.init();
  }