/*

 * fadeSlideShow

 * v.2.0.0

 *

 * Copyright (c) 2010 Pascal Bajorat (http://www.pascal-bajorat.com)

 * Dual licensed under the MIT (below)

 * and GPL (http://www.gnu.org/licenses/gpl.txt) licenses.

 *

 *

 * http://plugins.jquery.com/project/fadeslideshow

 * http://www.pascal-bajorat.com



MIT License



Copyright (c) 2010 Pascal Bajorat



Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:



The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.



THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 */



jQuery.fn.fadeSlideShow = function(options) {

	return this.each(function(){

		settings = jQuery.extend({

     		width: 232, // default width of the slideshow

     		height: 450, // default height of the slideshow

			speed: 'slow', // default animation transition speed

			interval: 12000, // default interval between image change

			PlayPauseElement: 'fssPlayPause', // default css id for the play / pause element

			PlayText: 'Play', // default play text

			PauseText: 'Pause', // default pause text

			NextElement: 'fssNext', // default id for next button

			NextElementText: 'Next >', // default text for next button

			PrevElement: 'fssPrev', // default id for prev button

			PrevElementText: '< Prev', // default text for prev button

			ListElement: 'fssList', // default id for image / content controll list

			ListLi: 'fssLi', // default class for li's in the image / content controll 

			ListLiActive: 'fssActive', // default class for active state in the controll list

			addListToId: false, // add the controll list to special id in your code - default false

			allowKeyboardCtrl: true, // allow keyboard controlls left / right / space

			autoplay: true // autoplay the slideshow

	 	}, options);

		

		// set style for wrapper element

		jQuery(this).css({

			width: settings.width,

			height: settings.height,

			position: 'relative',

			overflow: 'hidden'

		});

		

		// set styles for child element

		jQuery('> *',this).css({

			position: 'absolute',

			width: settings.width,

			height: settings.height

		});

		

		// count number of slides

		Slides = jQuery('> *', this).length;

		Slides = Slides - 1;

		ActSlide = Slides;

		// Set jQuery Slide short var

		jQslide = jQuery('> *', this);

		// save this

		fssThis = this;

		

		autoplay = function(){

			intval = setInterval(function(){

				jQslide.eq(ActSlide).fadeOut(settings.speed);

				

				// if list is on change the active class

				if(settings.ListElement){

					setActLi = (Slides - ActSlide) + 1;

					if(setActLi > Slides){setActLi=0;}

					jQuery('#'+settings.ListElement+' li').removeClass(settings.ListLiActive);

					jQuery('#'+settings.ListElement+' li').eq(setActLi).addClass(settings.ListLiActive);

				}

				

				if(ActSlide <= 0){

					jQslide.fadeIn(settings.speed);

					ActSlide = Slides;

				}else{

					ActSlide = ActSlide - 1;	

				}

			}, settings.interval);

			

			if(settings.PlayPauseElement){

				jQuery('#'+settings.PlayPauseElement).html(settings.PauseText);

			}

		}

		

		stopAutoplay = function(){

			clearInterval(intval);

			intval = false;

			if(settings.PlayPauseElement){

				jQuery('#'+settings.PlayPauseElement).html(settings.PlayText);

			}

		}

		

		jumpTo = function(newIndex){

			if(newIndex < 0){newIndex = Slides;}

			else if(newIndex > Slides){newIndex = 0;}

			if( newIndex >= ActSlide ){

				jQuery('> *:lt('+(newIndex+1)+')', fssThis).fadeIn(settings.speed);

			}else if(newIndex <= ActSlide){

				jQuery('> *:gt('+newIndex+')', fssThis).fadeOut(settings.speed);

			}

			

			// set the active slide

			ActSlide = newIndex;



			if(settings.ListElement){

				// set active

				jQuery('#'+settings.ListElement+' li').removeClass(settings.ListLiActive);

				jQuery('#'+settings.ListElement+' li').eq((Slides-newIndex)).addClass(settings.ListLiActive);

			}

		}

		

		// if list is on render it

		if(settings.ListElement){

			i=0;

			li = '';

			while(i<=Slides){

				if(i==0){

					li = li+'<li class="'+settings.ListLi+i+' '+settings.ListLiActive+'"><a href="#">'+(i+1)+'<\/a><\/li>';

				}else{

					li = li+'<li class="'+settings.ListLi+i+'"><a href="#">'+(i+1)+'<\/a><\/li>';

				}

				i++;

			}

			List = '<ul id="'+settings.ListElement+'">'+li+'<\/ul>';

			

			// add list to a special id or append after the slideshow

			if(settings.addListToId){

				jQuery('#'+settings.addListToId).append(List);

			}else{

				jQuery(this).after(List);

			}

			

			jQuery('#'+settings.ListElement+' a').bind('click', function(){

				index = jQuery('#'+settings.ListElement+' a').index(this);

				stopAutoplay();

				ReverseIndex = Slides-index;

				

				jumpTo(ReverseIndex);

				

				return false;

			});

		}

		

		if(settings.PlayPauseElement){

			if(!jQuery('#'+settings.PlayPauseElement).css('display')){

				jQuery(this).after('<a href="#" id="'+settings.PlayPauseElement+'"><\/a>');

			}

			

			if(settings.autoplay){

				jQuery('#'+settings.PlayPauseElement).html(settings.PauseText);

			}else{

				jQuery('#'+settings.PlayPauseElement).html(settings.PlayText);

			}

			

			jQuery('#'+settings.PlayPauseElement).bind('click', function(){

				if(intval){

					stopAutoplay();

				}else{

					autoplay();

				}

				return false;

			});

		}

		

		if(settings.NextElement){

			if(!jQuery('#'+settings.NextElement).css('display')){

				jQuery(this).after('<a href="#" id="'+settings.NextElement+'">'+settings.NextElementText+'<\/a>');

			}

			

			jQuery('#'+settings.NextElement).bind('click', function(){

				nextSlide = ActSlide-1;

				stopAutoplay();

				jumpTo(nextSlide);

				return false;

			});

		}

		

		if(settings.PrevElement){

			if(!jQuery('#'+settings.PrevElement).css('display')){

				jQuery(this).after('<a href="#" id="'+settings.PrevElement+'">'+settings.PrevElementText+'<\/a>');

			}

			

			jQuery('#'+settings.PrevElement).bind('click', function(){

				prevSlide = ActSlide+1;

				stopAutoplay();

				jumpTo(prevSlide);

				return false;

			});

		}

		

		

		// start autoplay or set it to false

		if(settings.autoplay){autoplay();}else{intval=false;}

	});

};