/* Copyright (c) 2010 WordImpressed.com jFlow Plus derived from Kean Loong Tan's orgininal jFlow http://www.wordimpressed.com

 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)

 * jFlow 1.2 (Plus)

 * Version: jFlow Plus

 * Requires: jQuery 1.2+

 */

 

(function ($) {



    $.fn.jFlow = function (options) {

        var opts = $.extend({}, $.fn.jFlow.defaults, options);

        var randNum = Math.floor(Math.random() * 11);

        var jFC = opts.controller;

        var jFS = opts.slideWrapper;

        var jSel = opts.selectedWrapper;

        var slideShiftDuration = opts.slideShiftDuration;

        var cur = 0;

        var timer;

        var maxi = $(jFC).length;

        // sliding function

        var slide = function (dur, i) {

            $(opts.slides).children().css({

                overflow: "hidden"

            });

            $(opts.slides + " iframe").hide().addClass("temp_hide");

            $(opts.slides).animate({

                marginLeft: "-" + (i * $(opts.slides).find(":first-child").width() + "px")

            },

				opts.duration * (dur),

				opts.easing,

				function () {

				    $(opts.slides).children().css({

				        overflow: "hidden"

				    });

				    $(".temp_hide").show();

				}

			);

        }

        $(this).find(jFC).each(function (i) {

            $(this).click(function () {

                dotimer();

                if ($(opts.slides).is(":not(:animated)")) {

                    $(jFC).removeClass(jSel);

                    $(this).addClass(jSel);

                    var dur = Math.abs(cur - i);

                    slide(dur, i);

                    cur = i;

                }

            });

        });



        $(opts.slides).before('<div id="' + jFS.substring(1, jFS.length) + '"></div>').appendTo(jFS);



        $(opts.slides).find("div").each(function () {

            $(this).before('<div class="jFlowSlideContainer"></div>').appendTo($(this).prev());

        });



        //initialize the controller

        $(jFC).eq(cur).addClass(jSel);



        var resize = function (x) {

            $(jFS).css({

                position: "relative",

                width: opts.width,

                height: opts.height,

                overflow: "hidden"

            });

            //opts.slides or #mySlides container

            $(opts.slides).css({

                position: "relative",

                width: $(jFS).width() * $(jFC).length + "px",

                height: $(jFS).height() + "px",

                overflow: "hidden"

            });

            // jFlowSlideContainer

            $(opts.slides).children().css({

                position: "relative",

                width: $(jFS).width() + "px",

                height: $(jFS).height() + "px",

                "float": "left",

                overflow: "hidden"

            });



            $(opts.slides).css({

                marginLeft: "-" + (cur * $(opts.slides).find(":eq(0)").width() + "px")

            });

        }



        // sets initial size

        resize();



        // resets size

        $(window).resize(function () {

            resize();

        });



        $(opts.prev).click(function () {

            dotimer();

            doprev();

        });



        $(opts.next).click(function () {

            dotimer();

            donext();

        });



        var doprev = function (x) {

            if ($(opts.slides).is(":not(:animated)")) {

                var dur = 1;

                if (cur > 0)

                    cur--;

                else {

                    cur = maxi - 1;

                    dur = cur;

                }

                $(jFC).removeClass(jSel);

                slide(dur, cur);

                $(jFC).eq(cur).addClass(jSel);

            }

        }



        var donext = function (x) {

            if ($(opts.slides).is(":not(:animated)")) {

                var dur = 1;

                if (cur < maxi - 1)

                    cur++;

                else {

                    cur = 0;

                    dur = maxi - 1;

                }

                $(jFC).removeClass(jSel);

                //$(jFS).fadeOut("fast");

                slide(dur, cur);

                //$(jFS).fadeIn("fast");

                $(jFC).eq(cur).addClass(jSel);

            }

        }



        var dotimer = function (x) {

            if ((opts.auto) == true) {

                if (timer != null)

                    clearInterval(timer);



                timer = setInterval(function () {

                    $(opts.next).click();

                }, slideShiftDuration);


            }

        }


        //Pause/Resume function fires at hover

        dotimer();

        $(opts.slides).hover(

			function () {

			    clearInterval(timer);

			},

		function () {
		    dotimer();

		}

		);
    };



    $.fn.jFlow.defaults = {

        controller: "#myController", // must be class, use . sign

        slideWrapper: "#mySlides", // must be id, use # sign

        selectedWrapper: ".jFlowSelected",  // just pure text, no sign

        auto: true,

        slideShiftDuration: 10000,

        easing: "swing",

        duration: 400,

        width: "100%",

        prev: ".jFlowPrev", // must be class, use . sign

        next: ".jFlowNext" // must be class, use . sign

    };


})(jQuery);