(function ($) {
    /*
    jquery.twitter.js v1.5
    Last updated: 08 July 2009

    Created by Damien du Toit
    http://coda.co.za/blog/2008/10/26/jquery-plugin-for-twitter

    Licensed under a Creative Commons Attribution-Non-Commercial 3.0 Unported License
    http://creativecommons.org/licenses/by-nc/3.0/
    */

    $.fn.getTwitter = function (options) {

        $.fn.getTwitter.defaults = {
            userName: "PortalLFG",
            numTweets: 5,
            loaderText: "Carregando tweets...",
            slideIn: true,
            slideDuration: 300,
            showHeading: true,
            headingText: "",
            showProfileLink: true,
            showTimestamp: true
        };

        var o = $.extend({}, $.fn.getTwitter.defaults, options);

        return this.each(function () {
            var c = $(this);

            // hide container element, remove alternative content, and add class
            c.hide().empty().addClass("twitted");

            // add heading to container element
            if (o.showHeading) {
                c.append("<h2>" + o.headingText + "</h2>");
            }

            // add twitter list to container element
            var twitterListHTML = "<ul id=\"twitter_update_list\"><li></li></ul>";
            c.append(twitterListHTML);

            var tl = $("#twitter_update_list");

            // hide twitter list
            tl.hide();

            // add preLoader to container element
            var preLoaderHTML = $("<p class=\"preLoader\">" + o.loaderText + "</p>");
            c.append(preLoaderHTML);


            // show container element
            c.show();

            $.getScript("http://twitter.com/javascripts/blogger.js");
            $.getScript("http://twitter.com/statuses/user_timeline/" + o.userName + ".json?callback=twitterCallback2&count=" + o.numTweets, function () {
                // remove preLoader from container element
                $(preLoaderHTML).remove();

                // remove timestamp and move to title of list item
                if (!o.showTimestamp) {
                    tl.find("li").each(function () {
                        var timestampHTML = $(this).children("a");
                        var timestamp = timestampHTML.html();
                        timestampHTML.remove();
                        $(this).attr("title", timestamp);
                    });
                }

                // show twitter list
                if (o.slideIn) {
                    // a fix for the jQuery slide effect
                    // Hat-tip: http://blog.pengoworks.com/index.cfm/2009/4/21/Fixing-jQuerys-slideDown-effect-ie-Jumpy-Animation
                    var tlHeight = tl.data("originalHeight");

                    // get the original height
                    if (!tlHeight) {
                        tlHeight = tl.show().height();
                        tl.data("originalHeight", tlHeight);
                        tl.hide().css({ height: 0 });
                    }

                    tl.show().animate({ height: tlHeight }, o.slideDuration);
                }
                else {
                    tl.show();
                }

                // add unique class to first list item
                tl.find("li:first").addClass("firstTweet");

                // add unique class to last list item
                tl.find("li:last").addClass("lastTweet");
            });
        });
    };
})(jQuery);