/*!
* jQuery Mouse Wheeling Ticker support plug-in v1.0.0
*
* @requires jQuery v1.4 or later
*
* Copyright (c) 2010 Andrey Feldman
*
* Licensed under the MIT license:
*   http://www.opensource.org/licenses/mit-license.php
*/
(function($) {
    $.fn.tickerFreez = function() {
        return this.each(function() {
            if ($(this).attr("tickerTimer"))
                clearTimeout($(this).attr("tickerTimer"));
            else
                clearTimeout($($(this).children().get(0)).attr("tickerTimer"));
        });
    };
    $.fn.tickerScroll = function() {
        return this.each(function() {
            var c = $(this);
            if (!c.attr("tickerHeight"))
                c = $(c.children().get(0));
            if (c.scrollTop() < c.attr("tickerHeight")) {
                c.scrollTop(c.scrollTop() + 1);
            }
            else {
                c.scrollTop(1);
                //EXTEND
                //console.log("scroll id :" + $(this).attr("id"));
                var fn = window.tickerCB[$(this).attr("id")];
                if (fn) {
                    fn.call(this);
                }
                //EXTEND END
            }

            c.attr("tickerTimer", setTimeout('$("#' + this.id + '").tickerScroll();', c.attr("tickerSpeed")));
        });
    };
    $.fn.ticker = function(sp, freez, turbo, callback) {

        //EXTEND
        if (typeof window.tickerCB == 'undefined') {
            window.tickerCB = new Array();
        }

        if (callback) {
            //console.log("const id :" + $(this).attr("id"));
            window.tickerCB[$(this).attr("id")] = callback;
        }
        //EXTEND END


        return this.each(function() {
            var el = $(this);
            el.css("overflow", "hidden");

            if (!!turbo) {
                var w = el.width();
                var pl = el.css("padding-left");
                var pr = el.css("padding-right");
                el.css("padding-left", "0");
                el.css("padding-right", "0");
                el.width(el.width());
                nC = $("<div></div>");
                nC.height("100%");
                nC.width(w);
                nC.html(el.html());
                nC.appendTo(el.html(""));
                el = nC;
                el.css("overflow-y", "scroll");
                el.css("overflow-x", "hidden");
            }

            var i = $("<div></div>");
            i.css({ "overflow": "hidden", "zoom": "1" });
            i.html(el.html());
            i.appendTo(el.html(""));

            if (!!turbo) {
                el.width(2 * el.width() - i.width());
                el.css("padding-left", pl);
                el.css("padding-right", pr);
            }

            el.attr("tickerHeight", i.height());
            if (el.attr("tickerHeight") == 0)
                return;

            el.height(el.height());
            var a = 0, h = el.height();
            while (h > a) {
                a += i.height();
                i.clone(true).appendTo(el);
            }

            if (!(sp && sp > 0))
                sp = 50;
            el.attr("tickerSpeed", sp);

            if (!!freez)
                el.hover(function() { el.tickerFreez() }, function() { el.tickerScroll() });

            if (!el.attr("id"))
                el.attr("id", "ticker_" + (new Date()).getTime());

            el.tickerScroll();
        });
    };
})(jQuery);