/**
* 	Really Simple™ Slideshow jQuery plug-in 1.4
*	---------------------------------------------------------
*	Introduction, demos, docs, license, downloads, etc:
* 	http://reallysimpleworks.com/slideshow
*/

(function($) {
    var methods = { init: function(options) {
        return this.each(function() {
            var slideshow = this, $slideshow = $(this), data = $slideshow.data('rsf_slideshow'); if (!data) { var settings = $.extend(true, {}, $.rsfSlideshow.defaults); if (typeof options === 'object') { $.extend(true, settings, options); }; $slideshow.data('rsf_slideshow', { slides: Array(), this_slide: 0, effect_iterator: { this_effect: -1, direction: 1 }, settings: settings, interval_id: false, loaded_imgs: Array(), queued: 0 }); }
            $slideshow.rsfSlideshow('getSlidesFromMarkup'); if (settings.slides.length) { $slideshow.rsfSlideshow('addSlides', settings.slides); settings.slides = Array(); }
            if (typeof settings.eventHandlers === 'object') { $.each(settings.eventHandlers, function(evnt, fn) { $slideshow.bind(evnt, function(e) { fn($slideshow, e); }); }); }
            if (settings.controls.playPause.auto) { $slideshow.rsfSlideshow('addControl', 'playPause'); }
            if (settings.controls.previousSlide.auto) { $slideshow.rsfSlideshow('addControl', 'previousSlide'); }
            if (settings.controls.index.auto) { $slideshow.rsfSlideshow('addControl', 'index'); }
            if (settings.controls.nextSlide.auto) { $slideshow.rsfSlideshow('addControl', 'nextSlide'); }
            if (settings.autostart) { $slideshow.rsfSlideshow('startShow'); } 
        });
    }, addSlides: function(slides) {
        if (slides instanceof Array) { for (var i = 0, len = slides.length; i < len; i++) { private._addSlide(this, slides[i]); } }
        else { private._addSlide(this, slides); }
        return this;
    }, removeSlides: function(slide_keys) {
        if (slide_keys === undefined) { return this.each(function() { $(this).data('rsf_slideshow').slides = []; }); }
        else if (slide_keys instanceof Array) { slide_keys.sort(function(a, b) { return b - a; }); var removed = []; return this.each(function() { for (var i = 0, len = slide_keys.length; i < len; i++) { if ($.inArray(slide_keys[i], removed) === -1) { private._removeSlide($(this), slide_keys[i]); removed.push(slide_keys[i]); } } }); }
        else { return this.each(function() { private._removeSlide($(this), slide_keys); }); } 
    }, getSlideData: function(key) {
        if (key === undefined) { return this.data('rsf_slideshow').slides; }
        if (this.data('rsf_slideshow').slides[key]) { return this.data('rsf_slideshow').slides[key]; }
        return false;
    }, startShow: function(interval, instant) {
        var $slideshow = this; var data = $slideshow.data('rsf_slideshow'); if (!data.interval_id) {
            if (instant) { $slideshow.rsfSlideshow('nextSlide'); }
            if (!interval) { interval = data.settings.interval; }
            data.interval_id = setInterval(function() { $slideshow.rsfSlideshow('nextSlide'); }, interval * 1000); private._trigger($slideshow, 'rsStartShow');
        }
        return this;
    }, stopShow: function() {
        var data = this.data('rsf_slideshow'); if (data.interval_id) { clearInterval(data.interval_id); data.interval_id = false; private._trigger(this, 'rsStopShow'); }
        return this;
    }, toggleShow: function() {
        if (this.rsfSlideshow('isRunning')) { this.rsfSlideshow('stopShow'); }
        else { this.rsfSlideshow('startShow'); } 
    }, isRunning: function() {
        if (this.data('rsf_slideshow').interval_id) { return true; }
        return false;
    }, currentSlideKey: function() { var data = this.data('rsf_slideshow'); return data.this_slide; }, totalSlides: function() { var data = this.data('rsf_slideshow'); return data.slides.length; }, getSlidesFromMarkup: function(options) {
        var data = this.data('rsf_slideshow'); if (!options) { options = {}; }
        if (!options.data_container) { options.data_container = data.settings.data_container; }
        if (options.data_container.charAt(0) === '#') { var $cntnr = $(options.data_container); }
        else { var $cntnr = $(this).children(options.data_container); }
        if (!$cntnr.length) { return false; }
        if (!options.slide_data_container) { options.slide_data_container = data.settings.slide_data_container; }
        var slide_data_selectors = $.extend(true, {}, data.settings.slide_data_selectors); if (options.slide_data_selectors) { $.extend(true, slide_data_selectors, options.slide_data_selectors); }
        options.slide_data_selectors = slide_data_selectors; var self = this; $cntnr.children(options.slide_data_container).each(function() { var slide = private._findData($(this), options.slide_data_selectors); $(self).rsfSlideshow('addSlides', slide); }); return this;
    }, nextSlide: function() {
        var data = this.data('rsf_slideshow'); data.this_slide++; if (data.this_slide >= data.slides.length) {
            if (data.settings.loop) { data.this_slide = 0; }
            else { data.this_slide = data.slides.length - 1; this.rsfSlideshow('stopShow'); return this; } 
        }
        this.rsfSlideshow('showSlide', data.slides[data.this_slide]); return this;
    }, previousSlide: function() {
        var data = this.data('rsf_slideshow'); data.this_slide--; if (data.this_slide < 0) {
            if (data.settings.loop) { data.this_slide = data.slides.length - 1; }
            else { data.this_slide = 0; this.rsfSlideshow('stopShow'); return this; } 
        }
        this.rsfSlideshow('showSlide', data.slides[data.this_slide]); return this;
    }, goToSlide: function(key) {
        var data = this.data('rsf_slideshow'); if (typeof data.slides[key] === 'object') { data.this_slide = key; this.rsfSlideshow('showSlide', data.slides[data.this_slide]); }
        return this;
    }, showSlide: function(slide, _queue_id) {
        var $slideshow = this, data = $slideshow.data('rsf_slideshow'); if (!_queue_id) { data.queued += 1; _queue_id = data.queued; private._trigger($slideshow, 'rsPreTransition'); }
        else if (_queue_id != data.queued) { return; }
        var containerWidth = $slideshow.width(); var containerHeight = $slideshow.height(); $slideshow.children('img:first').css('z-index', 0); var newImg = new Image(); newImg.src = slide.url; var whenLoaded = function(img) {
            var width = img.width; var height = img.height; if (!width || !height) { setTimeout(function() { $slideshow.rsfSlideshow('showSlide', slide, _queue_id); }, 200); return; }
            if ($.inArray(slide.url, data.loaded_imgs) < 0) { data.loaded_imgs.push(slide.url); }
            private._trigger($slideshow, 'rsImageReady'); $(img).addClass('rsf-slideshow-image'); $slideshow.prepend($(img)); width = $(img).outerWidth(); height = $(img).outerHeight(); $(img).detach(); var leftOffset = Math.ceil((containerWidth / 2) - (width / 2)); var topOffset = Math.ceil((containerHeight / 2) - (height / 2)); $(img).css({ left: leftOffset }); $(img).css({ top: topOffset }); if (slide.link_to) { var $img = $('<a href="' + slide.link_to + '"></a>').append($(img)); }
            else { $img = $(img); }
            var $slideEl = $('<div></div>'); $slideEl.addClass(data.settings.slide_container_class); $slideEl.append($img).css('display', 'none'); if (slide.caption) { var $capt = $('<span>' + slide.caption + '</span>'); $capt.addClass(data.settings.slide_caption_class); $capt.appendTo($slideEl); }
            var effect = data.settings.effect; if (slide.effect) { effect = slide.effect; }
            $slideEl.appendTo($slideshow); private._transitionWith($slideshow, $slideEl, effect); return true;
        }; if ($.inArray(slide.url, data.loaded_imgs) < 0) {
            if (newImg.width) { whenLoaded(newImg); }
            else { $(newImg).bind('load', function() { whenLoaded(newImg); }); } 
        }
        else { whenLoaded(newImg); }
        return this;
    }, addControl: function(type) { return this.each(function() { var $slideshow = $(this), settings = $slideshow.data('rsf_slideshow').settings; $control = settings.controls[type].generate($slideshow); private._controlsContainer($slideshow); settings.controls[type].place($slideshow, $control); bind_method = 'bind' + type.substr(0, 1).toUpperCase() + type.substr(1, type.length); $slideshow.rsfSlideshow(bind_method, $control); }); }, bindPlayPause: function($playPause) { return this.each(function() { var $slideshow = $(this); var data = $slideshow.data('rsf_slideshow'); $playPause.bind('click.rsfSlideshow', function(e) { e.preventDefault(); $slideshow.rsfSlideshow('toggleShow'); }); }); }, bindPreviousSlide: function($prev, autostop) {
        return this.each(function() {
            var $slideshow = $(this); var data = $slideshow.data('rsf_slideshow'); if (!autostop) { autostop = data.settings.controls.previousSlide.autostop; }
            $prev.bind('click.rsfSlideshow', function(e) { e.preventDefault(); $slideshow.rsfSlideshow('previousSlide'); if (autostop) { $slideshow.rsfSlideshow('stopShow'); } });
        });
    }, bindNextSlide: function($next, autostop) {
        return this.each(function() {
            var $slideshow = $(this); var data = $slideshow.data('rsf_slideshow'); if (!autostop) { autostop = data.settings.controls.nextSlide.autostop; }
            $next.bind('click.rsfSlideshow', function(e) { e.preventDefault(); $slideshow.rsfSlideshow('nextSlide'); if (autostop) { $slideshow.rsfSlideshow('stopShow'); } });
        });
    }, bindIndex: function($index, autostop) {
        return this.each(function() {
            var $slideshow = $(this), settings = $slideshow.data('rsf_slideshow').settings; if (!autostop) { autostop = settings.controls.index.autostop; }
            $indexLinks = settings.controls.index.getEach($slideshow); $indexLinks.bind('click.rsfSlideshow', function(e) { e.preventDefault(); var slide_key = settings.controls.index.getSlideKey($(this)); if (slide_key) { $slideshow.rsfSlideshow('goToSlide', slide_key); if (autostop) { $slideshow.rsfSlideshow('stopShow'); } } }); private._bindActiveIndex($slideshow);
        });
    } 
    }; $.fn.rsfSlideshow = function(method) {
        if (!this.length) { return this; }
        if (methods[method]) { return methods[method].apply(this, Array.prototype.slice.call(arguments, 1)); }
        else if (typeof method === 'object' || !method) { return methods.init.apply(this, arguments); }
        else { $.error('Method ' + method + ' does not exist on jQuery.rsfSlidehow'); } 
    }; var private = { _findData: function($slideData, slide_data_selectors) {
        var slide = {}; var slide_attr; for (var key in slide_data_selectors) {
            var $slideDataClone = $.extend(true, {}, $slideData); if (slide_data_selectors[key].selector) { $slideDataClone = $slideDataClone.children(slide_data_selectors[key].selector); }
            if (slide_data_selectors[key].attr) { slide_attr = $slideDataClone.attr(slide_data_selectors[key].attr); }
            else { slide_attr = $slideDataClone.text(); }
            slide[key] = slide_attr;
        }
        return slide;
    }, _addSlide: function($slideshow, slide) {
        var data = $slideshow.data('rsf_slideshow'); if ((typeof slide) == 'string') { url = $.trim(slide); data.slides.push({ url: url }); }
        else if (slide.url) {
            for (var key in slide) { slide[key] = $.trim(slide[key]); }
            data.slides.push(slide);
        } 
    }, _removeSlide: function($slideshow, key) { $slideshow.data('rsf_slideshow').slides.splice(key, 1); }, _transitionWith: function($slideshow, $slide, effect) {
        var data = $slideshow.data('rsf_slideshow'); var $previousSlide = $slideshow.children('div.' + data.settings.slide_container_class + ':first'); var effect_iteration = 'random'; if (typeof effect === 'object' && effect.iteration && effect.effects) { effect_iteration = effect.iteration; effect = effect.effects; }
        if (effect instanceof Array) {
            switch (effect_iteration) {
                case 'loop': data.effect_iterator.this_effect++; if (data.effect_iterator.this_effect > effect.length - 1) { data.effect_iterator.this_effect = 0; }
                    break; case 'backAndForth': data.effect_iterator.this_effect += data.effect_iterator.direction; if (data.effect_iterator.this_effect < 0) { data.effect_iterator.this_effect = 1; data.effect_iterator.direction = data.effect_iterator.direction * -1; }
                    if (data.effect_iterator.this_effect > effect.length - 1) { data.effect_iterator.this_effect = effect.length - 2; data.effect_iterator.direction = data.effect_iterator.direction * -1; }
                    break; default: data.effect_iterator.this_effect = Math.floor(Math.random() * effect.length); break;
            }
            effect = effect[data.effect_iterator.this_effect];
        }
        switch (effect) { case 'none': $slide.css('display', 'block'); private._endTransition($slideshow); break; case 'fade': $slide.fadeIn(data.settings.transition, function() { private._endTransition($slideshow); }); break; case 'slideLeft': var left_offset = $slide.outerWidth(); private._doSlide($slideshow, $slide, $previousSlide, left_offset, 0); break; case 'slideRight': var left_offset = (0 - $slide.outerWidth()); private._doSlide($slideshow, $slide, $previousSlide, left_offset, 0); break; case 'slideUp': var top_offset = $slide.outerHeight(); private._doSlide($slideshow, $slide, $previousSlide, 0, top_offset); break; case 'slideDown': var top_offset = (0 - $slide.outerHeight()); private._doSlide($slideshow, $slide, $previousSlide, 0, top_offset); break; } 
    }, _doSlide: function($slideshow, $slide, $previousSlide, left_offset, top_offset) { var data = $slideshow.data('rsf_slideshow'); $slide.css({ top: top_offset, left: left_offset }); $slide.css('display', 'block'); $slide.stop().animate({ top: 0, left: 0 }, data.settings.transition, data.settings.easing, function() { private._endTransition($slideshow); }); $previousSlide.stop().animate({ top: (0 - top_offset), left: (0 - left_offset) }, data.settings.transition, data.settings.easing); }, _endTransition: function($slideshow) {
        var data = $slideshow.data('rsf_slideshow'); $slideshow.children('div.' + data.settings.slide_container_class + ':not(:last-child)').remove(); private._trigger($slideshow, 'rsPostTransition'); if ($slideshow.rsfSlideshow('currentSlideKey') == $slideshow.rsfSlideshow('totalSlides') - 1) { private._trigger($slideshow, 'rsLastSlide'); }
        else if ($slideshow.rsfSlideshow('currentSlideKey') == 0) { private._trigger($slideshow, 'rsFirstSlide'); } 
    }, _bindActiveIndex: function($slideshow) { var indexSettings = $slideshow.data('rsf_slideshow').settings.controls.index; $slideshow.bind('rsPreTransition', function() { var current_slide_key = $(this).rsfSlideshow('currentSlideKey'); indexSettings.getEach($slideshow).removeClass(indexSettings.active_class); indexSettings.getSingleByKey($slideshow, current_slide_key).addClass(indexSettings.active_class); }); }, _controlsContainer: function($slideshow) { var settings = $slideshow.data('rsf_slideshow').settings; if (!settings.controls.container.get($slideshow).length) { $container = settings.controls.container.generate($slideshow); settings.controls.container.place($slideshow, $container); } }, _trigger: function($slideshow, e, event_data) {
        var data = $slideshow.data('rsf_slideshow'); if (typeof event_data !== 'object') { event_data = {}; }
        $.extend(event_data, { slide_key: data.this_slide, slide: data.slides[data.this_slide] }); $slideshow.trigger(e, event_data);
    } 
    }; $.rsfSlideshow = { defaults: { interval: 5, transition: 1000, effect: 'fade', easing: 'swing', loop: true, autostart: true, slides: Array(), slide_container_class: 'slide-container', slide_caption_class: 'slide-caption', data_container: 'ol.slides', slide_data_container: 'li', slide_data_selectors: { url: { selector: 'a', attr: 'href' }, caption: { selector: 'a', attr: 'title' }, link_to: { selector: 'a', attr: 'data-link-to' }, effect: { selector: 'a', attr: 'data-effect'} }, eventHandlers: { rsStartShow: function(rssObj, e) { var controlSettings = $(rssObj).data('rsf_slideshow').settings.controls.playPause; var $playPause = controlSettings.get($(rssObj)); $playPause.html('Pause').addClass(controlSettings.playing_class); }, rsStopShow: function(rssObj, e) { var controlSettings = $(rssObj).data('rsf_slideshow').settings.controls.playPause; var $playPause = controlSettings.get($(rssObj)); $playPause.html('Play').addClass(controlSettings.paused_class); } }, controls: { playPause: { generate: function($slideshow) {
        return $('<a href="#" class="rs-play-pause" data-control-for="'
+ $slideshow.attr('id') + '">Pause</a>');
    }, place: function($slideshow, $control) { $container = $slideshow.data('rsf_slideshow').settings.controls.container.get($slideshow); $container.append($control); }, get: function($slideshow) { return $('.rs-play-pause[data-control-for="' + $slideshow.attr('id') + '"]'); }, playing_class: 'rs-playing', paused_class: 'rs-paused', auto: false
    }, previousSlide: { generate: function($slideshow) {
        return $('<a href="#" class="rs-prev" data-control-for="'
+ $slideshow.attr('id') + '">&lt;</a>');
    }, place: function($slideshow, $control) { $container = $slideshow.data('rsf_slideshow').settings.controls.container.get($slideshow); $container.append($control); }, get: function($slideshow) { return $('.rs-prev[data-control-for="' + $slideshow.attr('id') + '"]'); }, autostop: true, auto: false
    }, nextSlide: { generate: function($slideshow) {
        return $('<a href="#" class="rs-next" data-control-for="'
+ $slideshow.attr('id') + '">&gt;</a>');
    }, place: function($slideshow, $control) { $container = $slideshow.data('rsf_slideshow').settings.controls.container.get($slideshow); $container.append($control); }, get: function($slideshow) { return $('.rs-next[data-control-for="' + $slideshow.attr('id') + '"]'); }, autostop: true, auto: false
    }, index: { generate: function($slideshow) {
        var slide_count = $slideshow.rsfSlideshow('totalSlides'), $indexControl = $('<ul class="rs-index-list clearfix"></ul>'); $indexControl.attr('data-control-for', $slideshow.attr('id')); for (var i = 0; i < slide_count; i++) {
            var $link = $('<a href="#"></a>'); $link.addClass('rs-index'); $link.attr('data-control-for', $slideshow.attr('id')); $link.attr('data-slide-key', i); $link.append(i + 1); if (i === $slideshow.rsfSlideshow('currentSlideKey')) { $link.addClass('rs-active'); }
            $li = $('<li></li>'); $li.append($link); $indexControl.append($li);
        }
        return $indexControl;
    }, place: function($slideshow, $control) { $container = $slideshow.data('rsf_slideshow').settings.controls.container.get($slideshow); $container.append($control); }, get: function($slideshow) { return $('.rs-index-list[data-control-for="' + $slideshow.attr('id') + '"]'); }, getEach: function($slideshow) { return $('.rs-index[data-control-for="' + $slideshow.attr('id') + '"]'); }, getSingleByKey: function($slideshow, slide_key) {
        return $('.rs-index[data-control-for="' + $slideshow.attr('id')
+ '"][data-slide-key="' + slide_key + '"]');
    }, getSlideKey: function($controlItem) { return $controlItem.attr('data-slide-key'); }, active_class: 'rs-active', autostop: true, auto: false
    }, container: { generate: function($slideshow) { return $('<div class="rs-controls clearfix" id="rs-controls-' + $slideshow.attr('id') + '"></div>'); }, place: function($slideshow, $control) { $slideshow.after($control); }, get: function($slideshow) { return $('#rs-controls-' + $slideshow.attr('id')); } }}}
    };
})(jQuery);