//////////////// Carousel ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/*
* jQuery infinitecarousel plugin
* @author admin@catchmyfame.com - http://www.catchmyfame.com
* @version 1.0.1
* @date July 31, 2009
* @category jQuery plugin
* @copyright (c) 2009 admin@catchmyfame.com (www.catchmyfame.com)
* @license CC Attribution-No Derivative Works 3.0 - http://creativecommons.org/licenses/by-nd/3.0/
*/

$(function () {
    $('#carousel').infiniteCarousel({
        displayTime: 4000,
        textholderHeight: .1
    });
});

(function ($) {
    $.fn.extend({
        infiniteCarousel: function (options) {
            var defaults =
			{
			    transitionSpeed: 1500,
			    displayTime: 6000,
			    textholderHeight: .2,
			    displayProgressBar: 1
			};
            var options = $.extend(defaults, options);

            return this.each(function () {
                var randID = Math.round(Math.random() * 100000000);
                var o = options;
                var obj = $(this);

                var numImages = $('img', obj).length; // Number of images
                var imgHeight = $('img:first', obj).height();
                var imgWidth = $('img:first', obj).width();
                var autopilot = 1;

                $('p', obj).hide(); // Hide any text paragraphs in the carousel
                $(obj).width(imgWidth).height(imgHeight);

                // Build progress bar
                if (o.displayProgressBar) {
                    $(obj).append('<div id="progress' + randID + '" style="position:absolute;bottom:0;background:#ccc;left:' + $(obj).css('paddingLeft') + '"></div>');
                    $('#progress' + randID).width(imgWidth).height(5).css('opacity', '.5');
                }

                // Move last image and stick it on the front
                $(obj).css({ 'overflow': 'hidden', 'position': 'relative' });
                $('li:last', obj).prependTo($('ul', obj));
                $('ul', obj).css('left', -imgWidth + 'px');

                // Build textholder div thats as wide as the carousel and 20%-25% of the height
                $(obj).append('<div id="textholder' + randID + '" class="textholder" style="position:absolute;bottom:0px;margin-bottom:' + -imgHeight * o.textholderHeight + 'px;left:' + $(obj).css('paddingLeft') + '"></div>');
                var correctTHWidth = parseInt($('#textholder' + randID).css('paddingTop'));
                var correctTHHeight = parseInt($('#textholder' + randID).css('paddingRight'));
                $('#textholder' + randID).width(250).height((imgHeight * o.textholderHeight) - (correctTHHeight * 2)).css({ 'backgroundColor': '#FFF', 'opacity': '0.8' });
                showtext($('li:eq(1) p', obj).html());

                //width imgWidth - (correctTHWidth * 2)

                // Prev/next button(img) 
                html = '<div id="btn_rt' + randID + '" style="position:absolute;right:0;top:' + ((imgHeight / 2) - 15) + 'px"><a href="javascript:void(0);"><img style="border:none;margin-right:2px" src="/public/images/rt.png" /></a></div>';
                html += '<div id="btn_lt' + randID + '" style="position:absolute;left:0;top:' + ((imgHeight / 2) - 15) + 'px"><a href="javascript:void(0);"><img style="border:none;margin-left:2px" src="/public/images/lt.png" /></a></div>';
                $(obj).append(html);

                // Pause/play button(img)
                html = '<a href="javascript:void(0);"><img id="pause_btn' + randID + '" src="/public/images/pause.png" style="position:absolute;top:3px;right:3px;border:none" alt="Pause" /></a>';
                html += '<a href="javascript:void(0);"><img id="play_btn' + randID + '" src="/public/images/play.png" style="position:absolute;top:3px;right:3px;border:none;display:none;" alt="Play" /></a>';
                $(obj).append(html);
                $('#pause_btn' + randID).css('opacity', '.5').hover(function () { $(this).animate({ opacity: '1' }, 250) }, function () { $(this).animate({ opacity: '.5' }, 250) });
                $('#pause_btn' + randID).click(function () {
                    autopilot = 0;
                    $('#progress' + randID).stop().fadeOut();
                    clearTimeout(clearInt);
                    $('#pause_btn' + randID).fadeOut(250);
                    $('#play_btn' + randID).fadeIn(250);
                    showminmax();
                });
                $('#play_btn' + randID).css('opacity', '.5').hover(function () { $(this).animate({ opacity: '1' }, 250) }, function () { $(this).animate({ opacity: '.5' }, 250) });
                $('#play_btn' + randID).click(function () {
                    autopilot = 1;
                    anim('next');
                    $('#play_btn' + randID).hide();
                    clearInt = setInterval(function () { anim('next'); }, o.displayTime + o.transitionSpeed);
                    setTimeout(function () { $('#pause_btn' + randID).show(); $('#progress' + randID).fadeIn().width(imgWidth).height(5); }, o.transitionSpeed);
                });

                // Left and right arrow image button actions
                $('#btn_rt' + randID).css('opacity', '.75').click(function () {
                    autopilot = 0;
                    $('#progress' + randID).stop().fadeOut();
                    anim('next');
                    setTimeout(function () { $('#play_btn' + randID).fadeIn(250); }, o.transitionSpeed);
                    clearTimeout(clearInt);
                }).hover(function () { $(this).animate({ opacity: '1' }, 250) }, function () { $(this).animate({ opacity: '.75' }, 250) });
                $('#btn_lt' + randID).css('opacity', '.75').click(function () {
                    autopilot = 0;
                    $('#progress' + randID).stop().fadeOut();
                    anim('prev');
                    setTimeout(function () { $('#play_btn' + randID).fadeIn(250); }, o.transitionSpeed);
                    clearTimeout(clearInt);
                }).hover(function () { $(this).animate({ opacity: '1' }, 250) }, function () { $(this).animate({ opacity: '.75' }, 250) });

                function showtext(t) {
                    // the text will always be the text of the second list item (if it exists)
                    if (t != null) {
                        $('#textholder' + randID).html(t).animate({ marginBottom: '0px' }, 500); // Raise textholder
                        showminmax();
                    }
                }
                function showminmax() {
                    if (!autopilot) {
                        html = '<img style="position:absolute;top:2px;right:18px;display:none;cursor:pointer" src="/public/images/down.png" title="Minimize" alt="minimize" id="min" /><img style="position:absolute;top:2px;right:18px;display:none;cursor:pointer" src="/public/images/up.png" title="Maximize" alt="maximize" id="max" />';
                        html += '<img style="position:absolute;top:2px;right:6px;display:none;cursor:pointer" src="/public/images/close.png" title="Close" alt="close" id="close" />';
                        $('#textholder' + randID).append(html);
                        $('#min').fadeIn(250).click(function () { $('#textholder' + randID).animate({ marginBottom: (-imgHeight * o.textholderHeight) - (correctTHHeight * 2) + 24 + 'px' }, 500, function () { $("#min,#max").toggle(); }); });
                        $('#max').click(function () { $('#textholder' + randID).animate({ marginBottom: '0px' }, 500, function () { $("#min,#max").toggle(); }); });
                        $('#close').fadeIn(250).click(function () { $('#textholder' + randID).animate({ marginBottom: (-imgHeight * o.textholderHeight) - (correctTHHeight * 2) + 'px' }, 500); });
                    }
                }
                function anim(direction) {
                    // Fade left/right arrows out when transitioning
                    $('#btn_rt' + randID).fadeOut(500);
                    $('#btn_lt' + randID).fadeOut(500);

                    // animate textholder out of frame
                    $('#textholder' + randID).animate({ marginBottom: (-imgHeight * o.textholderHeight) - (correctTHHeight * 2) + 'px' }, 500);

                    //?? Fade out play/pause?
                    $('#pause_btn' + randID).fadeOut(250);
                    $('#play_btn' + randID).fadeOut(250);

                    if (direction == "next") {
                        // Copy leftmost (first) li and insert it after the last li
                        $('li:first', obj).clone().insertAfter($('li:last', obj));
                        // Update width and left position of ul and animate ul to the left
                        $('ul', obj)
							.width(imgWidth * (numImages + 1))
							.animate({ left: -imgWidth * 2 }, o.transitionSpeed, function () {
							    $('li:first', obj).remove();
							    $('ul', obj).css('left', -imgWidth + 'px').width(imgWidth * numImages);
							    $('#btn_rt' + randID).fadeIn(500);
							    $('#btn_lt' + randID).fadeIn(500);
							    if (autopilot) $('#pause_btn' + randID).fadeIn(250);
							    showtext($('li:eq(1) p', obj).html());
							    if (autopilot) {
							        $('#progress' + randID).width(imgWidth).height(5);
							        $('#progress' + randID).animate({ 'width': 0 }, o.displayTime, function () {
							            $('#pause_btn' + randID).fadeOut(50);
							            setTimeout(function () { $('#pause_btn' + randID).fadeIn(250) }, o.transitionSpeed)
							        });
							    }
							});
                    }
                    if (direction == "prev") {
                        // Copy rightmost (last) li and insert it after the first li
                        $('li:last', obj).clone().insertBefore($('li:first', obj));
                        // Update width and left position of ul and animate ul to the right
                        $('ul', obj)
							.width(imgWidth * (numImages + 1))
							.css('left', -imgWidth * 2 + 'px')
							.animate({ left: -imgWidth }, o.transitionSpeed, function () {
							    $('li:last', obj).remove();
							    $('ul', obj).width(imgWidth * numImages);
							    $('#btn_rt' + randID).fadeIn(500);
							    $('#btn_lt' + randID).fadeIn(500);
							    if (autopilot) $('#pause_btn' + randID).fadeIn(250);
							    showtext($('li:eq(1) p', obj).html());
							});
                    }
                }
                var clearInt = setInterval(function () { anim('next'); }, o.displayTime + o.transitionSpeed);
                $('#progress' + randID).animate({ 'width': 0 }, o.displayTime + o.transitionSpeed, function () {
                    $('#pause_btn' + randID).fadeOut(100);
                    setTimeout(function () { $('#pause_btn' + randID).fadeIn(250) }, o.transitionSpeed)
                });
            });
        }
    });
})(jQuery);