/*
    This file is part of JonDesign's SmoothGallery v2.0. 3.2.0

    JonDesign's SmoothGallery is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    JonDesign's SmoothGallery is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with JonDesign's SmoothGallery; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Main Developer: Jonathan Schemoul (JonDesign: http://www.jondesign.net/)
    Contributed code by:
    - Christian Ehret (bugfix)
	- Nitrix (bugfix)
	- Valerio from Mad4Milk for his great help with the carousel scrolling and many other things.
	- Archie Cowan for helping me find a bugfix on carousel inner width problem.
	- Tomocchino from #mootools for the preloader class
	Many thanks to:
	- The mootools team for the great mootools lib, and it's help and support throughout the project.
*/

// declaring the class
var gallery = {{
				href: '#',
				title: ''
			).injectInside(element);
			if ((!this.options.showArrows) && (!this.options.showCarousel))
				this.galleryElement = element = this.currentLink;
			else
				this.currentLink.setStyle('display', 'none');
		
		
		this.constructElements();
		if ((this.galleryData.length>1)&&(this.options.showArrows))
		
			var leftArrow = new Element('a').addClass('left').addEvent(
				'click',
				this.prevItem.bind(this)
			).injectInside(element);
			var rightArrow = new Element('a').addClass('right').addEvent(
				'click',
				this.nextItem.bind(this)
			).injectInside(element);
			this.galleryElement.addClass(this.options.withArrowsClass);
		
		this.loadingElement = new Element('div').addClass('loadingElement').injectInside(element);
		if (this.options.showInfopane) this.initInfoSlideshow();
		if (this.options.showCarousel) this.initCarousel();
		this.doSlideShow(1);
	},
	populateData: function() 
		currentArrayPlace = this.galleryData.length;
		options = this.options;
		var data = $A(this.galleryData);
		data.extend(this.populateGallery(this.populateFrom, currentArrayPlace));
		this.galleryData = data;
		this.fireEvent('onPopulated');
	,
	populateGallery: function(element, startNumber) { (options.showCarousel))
				elementDict.extend(
					title: el.getElement(options.titleSelector).innerHTML,
					description: el.getElement(options.subtitleSelector).innerHTML
				);
			if (options.embedLinks)
				elementDict.extend(false,
					linkTarget: el.getElement(options.linkSelector).getProperty('target'));
			if ((!options.useThumbGenerator) && (options.showCarousel))
				elementDict.extend(
					thumbnail: el.getElement(options.thumbnailSelector).getProperty('src')
				);
			else if (options.useThumbGenerator)
				elementDict.extend(
					thumbnail: options.thumbGenerator + '?imgfile=' + elementDict.image + '&max_width=' + options.thumbWidth + '&max_height=' + options.thumbHeight
				);
			
			data.extend([elementDict]);
			currentArrayPlace++;
			if (this.options.destroyAfterPopulate)
				el.remove();
		);
		return data;
	},
	constructElements: function() {{{{{
													img.element.setStyle(
													'backgroundImage',
													"url('" + img.source + "')")
													img.loaded = true;
												.bind(this, imageStyle)
						);
					}
				}.pass(currentImg, this);
			} else 
				currentImg.element.setStyle('backgroundImage',
									"url('" + this.galleryData[i].image + "')");
			
			this.galleryElements[parseInt(i)] = currentImg;
		}
	},
	destroySlideShow: function(element) 
		var myClassName = element.className;
		var newElement = new Element('div').addClass('myClassName');
		element.parentNode.replaceChild(newElement, element);
	,
	startSlideShow: function() opacity: 1);
		if (this.options.showInfopane)
			this.showInfoSlideShow.delay(1000, this);
		var textShowCarousel = formatString(this.options.textShowCarousel, this.currentIter+1, this.maxIter);
		if (this.options.showCarousel&&(!this.options.carouselPreloader))
			this.carouselBtn.setHTML(textShowCarousel).setProperty('title', textShowCarousel);
		this.prepareTimer();
		if (this.options.embedLinks)
			this.makeLink(this.currentIter);
	,
	nextItem: function() 
		this.fireEvent('onNextCalled');
		this.nextIter = this.currentIter+1;
		if (this.nextIter >= this.maxIter)
			this.nextIter = 0;
		this.galleryInit = 0;
		this.goTo(this.nextIter);
	,
	prevItem: function() 
		this.fireEvent('onPreviousCalled');
		this.nextIter = this.currentIter-1;
		if (this.nextIter <= -1)
			this.nextIter = this.maxIter - 1;
		this.galleryInit = 0;
		this.goTo(this.nextIter);
	,
	goTo: function(num) 
			this.galleryElements[num].load();
			if (num==0)
				this.galleryElements[this.maxIter - 1].load();
			else
				this.galleryElements[num - 1].load();
			if (num==(this.maxIter - 1))
				this.galleryElements[0].load();
			else
				this.galleryElements[num + 1].load();
				
		
		if (this.options.embedLinks)
			this.clearLink();
		if (this.options.showInfopane)
		
			this.slideInfoZone.clearChain();
			this.hideInfoSlideShow().chain(this.changeItem.pass(num, this));
		 else
			this.currentChangeDelay = this.changeItem.delay(500, this, num);
		if (this.options.embedLinks)
			this.makeLink(num);
		this.prepareTimer();
		/*if (this.options.showCarousel)
			this.clearThumbnailsHighlights();*/
	,
	changeItem: function(num) {{opacity: 0);
			
			gallery.Transitions[this.galleryData[num].transition].pass([
				this.galleryElements[this.currentIter],
				this.galleryElements[num],
				this.currentIter,
				num], this)();
			this.currentIter = num;
		}
		var textShowCarousel = formatString(this.options.textShowCarousel, num+1, this.maxIter);
		if (this.options.showCarousel)
			this.carouselBtn.setHTML(textShowCarousel).setProperty('title', textShowCarousel);
		this.doSlideShow.bind(this)();
		this.fireEvent('onChanged');
	},
	clearTimer: function() 
		if (this.options.timed)
			$clear(this.timer);
	,
	prepareTimer: function() 
		if (this.options.timed)
			this.timer = this.nextItem.delay(this.options.delay, this);
	,
	doSlideShow: function(position) {
				this.startSlideShow.delay(10, this);
			.bind(this);
			imgPreloader.src = this.galleryData[0].image;
			if(this.options.preloader)
				this.galleryElements[0].load();
		 else {
					this.showInfoSlideShow.delay((500 + this.options.fadeDuration), this);
				 else
					if ((this.options.showCarousel)&&(this.options.activateCarouselScroller))
						this.centerCarouselOn(position);
			
		}
	},
	createCarousel: function() {transition: Fx.Transitions.expoOut);
			this.carouselContainer.normalHeight = carouselContainerElement.offsetHeight;
			this.carouselContainer.set('opacity': this.options.carouselMinimizedOpacity, 'top': (this.options.carouselMinimizedHeight - this.carouselContainer.normalHeight));
			this.carouselBtn = new Element('a').addClass('carouselBtn').setProperties(
				title: this.options.textShowCarousel
			).injectInside(carouselContainerElement);
			if(this.options.carouselPreloader)
				this.carouselBtn.setHTML(this.options.textPreloadingCarousel);
			else
				this.carouselBtn.setHTML(this.options.textShowCarousel);
			this.carouselBtn.addEvent(
				'click',
				function () 
					this.carouselContainer.clearTimer();
					this.toggleCarousel();
				.bind(this)
			);
			this.carouselActive = false;
	
			carouselElement = new Element('div').addClass('carousel').injectInside(carouselContainerElement);
			this.carousel = new Fx.Styles(carouselElement);
		 else 
			carouselElement = $(this.options.carouselElement).addClass('jdExtCarousel');
		
		this.carouselElement = new Fx.Styles(carouselElement, transition: Fx.Transitions.expoOut);
		this.carouselElement.normalHeight = carouselElement.offsetHeight;
		if (this.options.showCarouselLabel)
			this.carouselLabel = new Element('p').addClass('label').injectInside(carouselElement);
		carouselWrapper = new Element('div').addClass('carouselWrapper').injectInside(carouselElement);
		this.carouselWrapper = new Fx.Styles(carouselWrapper, transition: Fx.Transitions.expoOut);
		this.carouselWrapper.normalHeight = carouselWrapper.offsetHeight;
		this.carouselInner = new Element('div').addClass('carouselInner').injectInside(carouselWrapper);
		if (this.options.activateCarouselScroller)
		
				area: 100,
				velocity: 0.2
			)
			
			this.carouselWrapper.elementScroller = new Fx.Scroll(carouselWrapper, 
				duration: 400,
				onStart: this.carouselWrapper.scroller.stop.bind(this.carouselWrapper.scroller),
				onComplete: this.carouselWrapper.scroller.start.bind(this.carouselWrapper.scroller)
			);
		
	},
	fillCarousel: function() 
		this.constructThumbnails();
		this.carouselInner.normalWidth = ((this.maxIter * (this.options.thumbWidth + this.options.thumbSpacing + 2))+this.options.thumbSpacing) + "px";
		this.carouselInner.style.width = this.carouselInner.normalWidth;
	,
	initCarousel: function () 
		this.createCarousel();
		this.fillCarousel();
		if (this.options.carouselPreloader)
			this.preloadThumbnails();
	,
	flushCarousel: function() 
			myFx.element.remove();
			myFx = myFx.element = null;
		);
		this.thumbnailElements = [];
	,
	toggleCarousel: function() 
		if (this.carouselActive)
			this.hideCarousel();
		else
			this.showCarousel();
	,
	showCarousel: function () 
			'opacity': this.options.carouselMaximizedOpacity,
			'top': 0
		).chain(function() 
			this.carouselActive = true;
			this.carouselWrapper.scroller.start();
			this.fireEvent('onCarouselShown');
			this.carouselContainer.options.onComplete = null;
		.bind(this));
	,
	hideCarousel: function () 
			'opacity': this.options.carouselMinimizedOpacity,
			'top': targetTop
		).chain(function() 
			this.carouselActive = false;
			this.carouselWrapper.scroller.stop();
			this.fireEvent('onCarouselHidden');
			this.carouselContainer.options.onComplete = null;
		.bind(this));
	,
	constructThumbnails: function () {{
					myself.clearTimer();
					myself.start(0.99);
					if (this.options.showCarouselLabel)
						$(this.carouselLabel).setHTML('<span class="number">' + (myself.relatedImage.number + 1) + "/" + this.maxIter + ":</span> " + myself.relatedImage.title);
				.pass(currentImg, this),
				'mouseout': function (myself) 
					myself.clearTimer();
					myself.start(this.options.thumbIdleOpacity);
				.pass(currentImg, this),
				'click': function (myself) 
					this.goTo(myself.relatedImage.number);
					if (this.options.thumbCloseCarousel)
						this.hideCarousel();
				.pass(currentImg, this)
			);
			
			currentImg.relatedImage = this.galleryData[i];
			this.thumbnailElements[parseInt(i)] = currentImg;
		}
	},
	log: function(value) 
		if(console.log)
			console.log(value);
	,
	preloadThumbnails: function() 
			thumbnails[parseInt(i)] = this.galleryData[i].thumbnail;
		
		this.thumbnailPreloader = new Preloader();
		this.thumbnailPreloader.addEvent('onComplete', function() 
			var textShowCarousel = formatString(this.options.textShowCarousel, this.currentIter+1, this.maxIter);
			this.carouselBtn.setHTML(textShowCarousel).setProperty('title', textShowCarousel);
		.bind(this));
		this.thumbnailPreloader.load(thumbnails);
	,
	clearThumbnailsHighlights: function()
	
			this.thumbnailElements[i].clearTimer();
			this.thumbnailElements[i].start(0.2);
		
	,
	changeThumbnailsSize: function(width, height)
	{
				'width': width + "px",
				'height': height + "px"
			);
		
	},
	centerCarouselOn: function(num) {
  			this.carouselWrapper.elementScroller.scrollTo(scrollPos,0);
			
			catch(e) 
  			this.carouselWrapper.elementScroller.scrollTo = (scrollPos,0);
			
		
	},
	initInfoSlideshow: function() 'opacity':0);
		var slideInfoZoneTitle = new Element('h2').injectInside(this.slideInfoZone.element);
		var slideInfoZoneDescription = new Element('p').injectInside(this.slideInfoZone.element);
		this.slideInfoZone.normalHeight = this.slideInfoZone.element.offsetHeight;
		this.slideInfoZone.element.setStyle('opacity',0);
	,
	changeInfoSlideShow: function()
	
		this.hideInfoSlideShow.delay(10, this);
		this.showInfoSlideShow.delay(500, this);
	,
	showInfoSlideShow: function() 'opacity': [0, this.options.slideInfoZoneOpacity], 'height': [0, this.slideInfoZone.normalHeight]);
		else
			this.slideInfoZone.start('opacity': [0, this.options.slideInfoZoneOpacity]);
		if (this.options.showCarousel)
			this.slideInfoZone.chain(this.centerCarouselOn.pass(this.currentIter, this));
		return this.slideInfoZone;
	,
	hideInfoSlideShow: function() 'opacity': 0, 'height': 0);
		else
			this.slideInfoZone.start('opacity': 0);
		return this.slideInfoZone;
	,
	makeLink: function(num) 
			href: this.galleryData[num].link,
			title: this.galleryData[num].linkTitle
		)
		if (!((this.options.embedLinks) && (!this.options.showArrows) && (!this.options.showCarousel)))
			this.currentLink.setStyle('display', 'block');
	,
	clearLink: function() href: '', title: '');
		if (!((this.options.embedLinks) && (!this.options.showArrows) && (!this.options.showCarousel)))
			this.currentLink.setStyle('display', 'none');
	,
	/* To change the gallery data, those two functions : */
	flushGallery: function() 
			myFx.element.remove();
			myFx = myFx.element = null;
		);
		this.galleryElements = [];
	,
	changeData: function(data) 
		this.galleryData = data;
		this.clearTimer();
		this.flushGallery();
		if (this.options.showCarousel) this.flushCarousel();
		this.constructElements();
		if (this.options.showCarousel) this.fillCarousel();
		if (this.options.showInfopane) this.hideInfoSlideShow();
		this.galleryInit=1;
		this.lastIter=0;
		this.currentIter=0;
		this.doSlideShow(1);
	,
	/* Plugins: HistoryManager */
	initHistory: function() 
				if (parseInt(values[0])-1 < this.maxIter)
					this.goTo(parseInt(values[0])-1);
			.bind(this),
			function(values) 
				return [this.historyKey, '(', values[0], ')'].join('');
			.bind(this),
			this.historyKey + '\\((\\d+)\\)');
		this.addEvent('onChanged', function()
			this.history.setValue(0, this.currentIter+1);
		.bind(this));
		this.fireEvent('onHistoryInited');
	
};
gallery = new Class(gallery);
gallery.implement(new Events);
gallery.implement(new Options);

gallery.Transitions = new Abstract ({{opacity: 1);
			oldFx.start(opacity: 0);
		
	},
	crossfade: function(oldFx, newFx, oldPos, newPos)opacity: 1);
		oldFx.start(opacity: 0);
	,
	fadebg: function(oldFx, newFx, oldPos, newPos){opacity: 1, newFx));
	}
});

/* All code copyright 2007 Jonathan Schemoul */

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Follows: Preloader (class)
 * Simple class for preloading images with support for progress reporting
 * Copyright 2007 Tomocchino.
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

var Preloader = new Class({{{ this.index++; if(this.images[index]) this.fireEvent('onLoad', [this.images[index], index, source]); .bind(this),
        'onerror' : function() this.index++; this.fireEvent('onError', [this.images.splice(index, 1), index, source]); .bind(this),
        'onabort' : function() this.index++; this.fireEvent('onError', [this.images.splice(index, 1), index, source]); .bind(this)
      );
    }, this);
  },
  
  progress: function() 
    this.fireEvent('onProgress', [Math.min(this.index, this.total), this.total]);
    if(this.index >= this.total) this.complete();
  ,
  
  complete: function()
    $clear(this.timer);
    this.fireEvent('onComplete', [this.images]);
  ,
  
  cancel: function()
    $clear(this.timer);
  
  
});

Preloader.implement(new Events, new Options);

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Follows: formatString (function)
 * Original name: Yahoo.Tools.printf
 * Copyright Yahoo.
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

function formatString() {" + (i-1) + "\\"; 
		var re = new RegExp(pattern, "g");
		oStr = oStr.replace(re, arguments[i]);
	
	return oStr; 
}