Plugin para retornar a row do item selecionado na combobox do jQuery EasyUI

jeasyui.combobox.getrow.js

/**
 * @description The plugin returns the JSON of the combobox the jQuery EasyUI
 * @author Carlos Anders
 * @link http://www.andershost.com.br
 */
(function ($) {
    $.extend($.fn.combobox.methods, {
        /**
         * The method returns the data in the JSON object of the
         * selected item in the combobox
         * @param jq - Object jQuery
         * @returns JSON {"key": "value"}
         * @example $('#cb').combobox('getRow') return all the selected item
         *          $('#cb').combobox('getRow').id - return specific item
         *          $('#cb').combobox('getRow').desc - return specific item
         */
        getRow: function (jq) {
            var opts = $.data(jq[0], 'combobox').options;
            var data = $.data(jq[0], 'combobox').data;
            var value = jq.combobox('getValue');
            var item = $.grep(data, function (row) {
                if (row[opts.valueField] == value) {
                    return true;
                } else {
                    return false;
                } // if
            }); //item

            return item[0];
        }, // getRow

        /**
         * @description Returns the object's keys
         * @param jq - Object jQuery
         * @returns {Array} - ["id", "text", "selected", "desc"]
         * @example $('#cb').combobox('getKeys') - return all keys the selected item
         *          $('#cb').combobox('getKeys')[0] - return specific key
         */
        getKeys: function (jq) {
            var obj = jq.combobox('getRow');
            var keys = [];
            $.map(obj, function (element, index) {
                keys.push(index);
            }); //map
            return keys;
        } //getKeys

    }); //methods
})(jQuery);