/**************************************************************

	Script		: MultiBox
	Version		: 1.3.1
	Authors		: Samuel Birch
	Desc		: Supports jpg, gif, png, flash, flv, mov, wmv, mp3, html, iframe
	Licence		: Open Source MIT Licence

**************************************************************/

var MultiBox = new Class({
	
	getOptions: function(){
		return {
			initialWidth: 250,
			initialHeight: 250,
			container: document.body,
			contentColor: '#FFF',
			showNumbers: true,
			showControls: true,
			//showThumbnails: false,
			//autoPlay: false,
			waitDuration: 2000,
			descClassName: false,
			descMinWidth: 400,
			descMaxWidth: 600,
			movieWidth: 400,
			movieHeight: 300,
			offset: {x:0, y:0},
			fixedTop: false,
			path: 'files/',
			onOpen: Class.empty,
			onClose: Class.empty,
			openFromLink: true,
			relativeToWindow: true,
			maxContainerRange: 1.5
		};
	},

	initialize: function(className, options){
		this.setOptions(this.getOptions(), options);
		
		this.openClosePos = {};
		this.timer = 0;
		this.contentToLoad = {};
		this.index = 0;
		this.opened = false;
		this.contentObj = {};
		this.containerDefaults = {};
		
		this.content = $$('.'+className);
		if(this.options.descClassName){
			this.descriptions = $$('.'+this.options.descClassName);
			this.descriptions.each(function(el){
				el.setStyle('display', 'none');
			});
		}
		
		this.container = new Element('div').addClass('MultiBoxContainer').injectInside(this.options.container);
		this.iframe = new Element('iframe').setProperties({
			'id': 'multiBoxIframe',
			'name': 'mulitBoxIframe',
			'src': 'javascript:void(0);',
			'frameborder': 1,
			'scrolling': 'no'
		}).setStyles({
			'position': 'absolute',
			'top': -20,
			'left': -20,
			'width': '115%',
			'height': '115%',
			'filter': 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)',
			'opacity': 0
		}).injectInside(this.container);
		this.box = new Element('div').addClass('MultiBoxContent').injectInside(this.container);
		
		this.closeButton = new Element('div').addClass('MultiBoxClose').injectInside(this.container).addEvent('click', this.close.bind(this));
		
		this.controlsContainer = new Element('div').addClass('MultiBoxControlsContainer').injectInside(this.container);
		this.controls = new Element('div').addClass('MultiBoxControls').injectInside(this.controlsContainer);
		
		this.previousButton = new Element('div').addClass('MultiBoxPrevious').injectInside(this.controls).addEvent('click', this.previous.bind(this));
		this.nextButton = new Element('div').addClass('MultiBoxNext').injectInside(this.controls).addEvent('click', this.next.bind(this));
		
		this.title = new Element('div').addClass('MultiBoxTitle').injectInside(this.controls);
		this.number = new Element('div').addClass('MultiBoxNumber').injectInside(this.controls);
		this.description = new Element('div').addClass('MultiBoxDescription').injectInside(this.controls);
		
		
		
		if(this.content.length == 1){
			this.title.setStyles({
				'margin-left': 0
			});
			this.description.setStyles({
				'margin-left': 0
			});
			this.previousButton.setStyle('display', 'none');
			this.nextButton.setStyle('display', 'none');
			this.number.setStyle('display', 'none');
		}
		
		new Element('div').setStyle('clear', 'both').injectInside(this.controls);
		
		this.content.each(function(el,i){
			el.index = i;
			el.addEvent('click', function(e){
				new Event(e).stop();
				this.open(el);
			}.bind(this));
			if(el.href.indexOf('#') > -1){
				el.content = $(el.href.substr(el.href.indexOf('#')+1));
				if(el.content){el.content.setStyle('display','none');}
			}
		}, this);
		
		this.containerEffects = new Fx.Styles(this.container, {duration: 400, transition: Fx.Transitions.sineInOut});
		this.controlEffects = new Fx.Styles(this.controlsContainer, {duration: 300, transition: Fx.Transitions.sineInOut});
		
		this.reset();
	},
	
	setContentType: function(link){
		var str = $chk(link.rel) ? link.rel : link.href;
		str = str.substr(str.lastIndexOf('.')+1).toLowerCase();
		var contentOptions = {};
		
		if(contentOptions.type != undefined){
			str = contentOptions.type;
		}
		
		this.contentObj = {};
		this.contentObj.url = $chk(link.rel) ? link.rel : link.href;
		this.contentObj.xH = 0;
		
		if(contentOptions.width){
			this.contentObj.width = contentOptions.width;
		}else{
			this.contentObj.width = this.options.movieWidth;
		}
		if(contentOptions.height){
			this.contentObj.height = contentOptions.height;	
		}else{
			this.contentObj.height = this.options.movieHeight;
		}
		if(contentOptions.panel){
			this.panelPosition = contentOptions.panel;
		}else{
			this.panelPosition = this.options.panel;
		}
		
		
		switch(str){
			case 'jpg':
			case 'jpeg':
			case 'gif':
			case 'png':
			case 'bmp':
				this.type = 'image';
				break;
			case 'element':
				this.type = 'htmlelement';
				this.elementContent = link.content;
				this.elementContent.setStyles({
					display: 'block',
					opacity: 0
				})
	
				if(this.elementContent.getStyle('width') != 'auto'){
					this.contentObj.width = this.elementContent.getStyle('width');
				}
				
				this.contentObj.height = this.elementContent.getSize().size.y;
				this.elementContent.setStyles({
					display: 'none',
					opacity: 1
				})
				break;
				
			default:
				this.type = 'iframe';
				if(contentOptions.ajax){
					this.type = 'ajax';
				}
				break;
		}
	},
	
	reset: function(){
		this.container.setStyles({
			'opacity': 0,
			'display': 'none'
		});
		this.controlsContainer.setStyles({
			'height': 0
		});
		this.removeContent();
		this.previousButton.removeClass('MultiBoxButtonDisabled');
		this.nextButton.removeClass('MultiBoxButtonDisabled');
		this.opened = false;
	},
	
	getOpenClosePos: function(el){
		if (this.options.openFromLink) {
			if (el.getFirst()) {
				var w = el.getFirst().getCoordinates().width - (this.container.getStyle('border').toInt() * 2);
				if (w < 0) {
					w = 0
				}
				var h = el.getFirst().getCoordinates().height - (this.container.getStyle('border').toInt() * 2);
				if (h < 0) {
					h = 0
				}
				this.openClosePos = {
					width: w,
					height: h,
					top: el.getFirst().getCoordinates().top,
					left: el.getFirst().getCoordinates().left
				};
			}
			else {
				var w = el.getCoordinates().width - (this.container.getStyle('border').toInt() * 2);
				if (w < 0) {
					w = 0
				}
				var h = el.getCoordinates().height - (this.container.getStyle('border').toInt() * 2);
				if (h < 0) {
					h = 0
				}
				this.openClosePos = {
					width: w,
					height: h,
					top: el.getCoordinates().top,
					left: el.getCoordinates().left
				};
			}
		}else{
			if(this.options.fixedTop){
				var top = this.options.fixedTop;
			}else{
				var top = ((window.getHeight()/2)-(this.options.initialHeight/2)-this.container.getStyle('border').toInt())+this.options.offset.y;
			}
			this.openClosePos = {
				width: this.options.initialWidth,
				height: this.options.initialHeight,
				top: top,
				left: ((window.getWidth()/2)-(this.options.initialWidth/2)-this.container.getStyle('border').toInt())+this.options.offset.x
			};
		}
		return this.openClosePos;
	},
	
	open: function(el){
	
		this.options.onOpen();
	
		this.index = this.content.indexOf(el);
		
		this.openId = el.getProperty('id');
		
		if(!this.opened){
			this.opened = true;
			
			this.container.setStyles(this.getOpenClosePos(el));
			this.container.setStyles({
				opacity: 0,
				display: 'block'
			});
			
			if(this.options.fixedTop){
				var top = this.options.fixedTop;
			}else{
				var top = ((window.getHeight()/2)-(this.options.initialHeight/2)-this.container.getStyle('border').toInt())+this.options.offset.y;
			}
			
			this.containerEffects.start({
				width: this.options.initialWidth,
				height: this.options.initialHeight,
				top: top,
				left: ((window.getWidth()/2)-(this.options.initialWidth/2)-this.container.getStyle('border').toInt())+this.options.offset.x,
				opacity: [0, 1]
			});
			
			this.load(this.index);
		
		}else{
			if (this.options.showControls) {
				this.hideControls();
			}
			this.getOpenClosePos(this.content[this.index]);
			this.timer = this.hideContent.bind(this).delay(500);
			this.timer = this.load.pass(this.index, this).delay(1100);
			
		}
		
	},
	
	getContent: function(index){
		this.setContentType(this.content[index]);
		var desc = {};
		if(this.options.descClassName){
		this.descriptions.each(function(el,i){
			if(el.hasClass(this.openId)){
				desc = el.clone();
			}
		},this);
		}
		//var title = this.content[index].title;
		this.contentToLoad = {
			title: this.content[index].title || '&nbsp;',
			//desc: $(this.options.descClassName+this.content[index].id).clone(),
			desc: desc,
			number: index+1
		};
	},
	
	close: function(){
		if (this.options.showControls) {
			this.hideControls();
		}
		this.hideContent();
		this.containerEffects.stop();
		this.zoomOut.bind(this).delay(500);
		this.options.onClose();
	},
	
	zoomOut: function(){
		this.containerEffects.start({
			width: this.openClosePos.width,
			height: this.openClosePos.height,
			top: this.openClosePos.top,
			left: this.openClosePos.left,
			opacity: 0
		});
		this.reset.bind(this).delay(500);
	},
	
	load: function(index){
		this.box.addClass('MultiBoxLoading');
		this.getContent(index);
		if(this.type == 'image'){
			var xH = this.contentObj.xH;
			this.contentObj = new Asset.image(this.content[index].rel, {onload: this.resize.bind(this)});
			this.contentObj.xH = xH;
			/*this.contentObj = new Image();
			this.contentObj.onload = this.resize.bind(this);
			this.contentObj.src = this.content[index].href;*/
		}else{
			this.resize();
		}
	},
	
	resize: function(){
	    var height = Number(this.contentObj.height);
	    var width = Number(this.contentObj.width);

        if (height > window.getHeight() / this.options.maxContainerRange) {
            width = width * ((window.getHeight() / this.options.maxContainerRange) / height);
            height = window.getHeight() / this.options.maxContainerRange;
        } else if (width > window.getWidth() / this.options.maxContainerRange) {
            height = height * ((window.getWidth() / this.options.maxContainerRange) / width);
            width = window.getWidth() / this.options.maxContainerRange;
        }

        this.contentObj.height = height;
        this.contentObj.width = width;

		if (this.options.fixedTop) {
			var top = this.options.fixedTop;
		}
		else {
			var top = ((window.getHeight() / 2) - ((height + this.contentObj.xH) / 2) - this.container.getStyle('border').toInt() + window.getScrollTop()) + this.options.offset.y;
		}
		var left = ((window.getWidth() / 2) - (width / 2) - this.container.getStyle('border').toInt()) + this.options.offset.x;
		if (top < 0) {
			top = 0
		}
		if (left < 0) {
			left = 0
		}
		
		this.containerEffects.stop();
		this.containerEffects.start({
			width: width,
			height: height + this.contentObj.xH,
			top: top,
			left: left,
			opacity: 1
		});
		this.timer = this.showContent.bind(this).delay(500);
	},
	
	showContent: function(){
		this.box.removeClass('MultiBoxLoading');
		this.removeContent();
		
		this.contentContainer = new Element('div').setProperties({id: 'MultiBoxContentContainer'}).setStyles({opacity: 0, width: this.contentObj.width+'px', height: (Number(this.contentObj.height)+this.contentObj.xH)+'px'}).injectInside(this.box);
		
		if(this.type == 'image'){
			this.contentObj.injectInside(this.contentContainer);
			
		}else if(this.type == 'iframe'){
			new Element('iframe').setProperties({
				id: 'iFrame'+new Date().getTime(), 
				width: this.contentObj.width,
				height: this.contentObj.height,
				src: this.contentObj.url,
				frameborder: 0,
				scrolling: 'auto'
			}).injectInside(this.contentContainer);
			
		}else if(this.type == 'htmlelement'){
			this.elementContent.clone().setStyle('display','block').injectInside(this.contentContainer);
			
		}else if(this.type == 'ajax'){
			new Ajax(this.contentObj.url, {
				method: 'get',
				update: 'MultiBoxContentContainer',
				evalScripts: true,
				autoCancel: true
			}).request();
			
		}
		
		this.contentEffects = new Fx.Styles(this.contentContainer, {duration: 500, transition: Fx.Transitions.linear});
		this.contentEffects.start({
			opacity: 1
		});
		
		this.title.setHTML(this.contentToLoad.title);
		this.number.setHTML(this.contentToLoad.number+' of '+this.content.length);
		if (this.options.descClassName) {
			if (this.description.getFirst()) {
				this.description.getFirst().remove();
			}
			this.contentToLoad.desc.injectInside(this.description).setStyles({
				display: 'block'
			});
		}
		//this.removeContent.bind(this).delay(500);
		if (this.options.showControls) {
			this.timer = this.showControls.bind(this).delay(800);
		}
	},
	
	hideContent: function(){
		this.box.addClass('MultiBoxLoading');
		this.contentEffects.start({
			opacity: 0
		});
		this.removeContent.bind(this).delay(500);
	},
	
	removeContent: function(){
		if($('MultiBoxMediaObject')){
			$('MultiBoxMediaObject').empty();
			$('MultiBoxMediaObject').remove();
		}
		if($('MultiBoxContentContainer')){
			//$('MultiBoxContentContainer').empty();
			$('MultiBoxContentContainer').remove();	
		}
	},
	
	showControls: function(){
		this.clicked = false;
		
		if(this.container.getStyle('height') != 'auto'){
			this.containerDefaults.height = this.container.getStyle('height')
			this.containerDefaults.backgroundColor = this.options.contentColor;
		}
		
		this.container.setStyles({
			//'backgroundColor': this.controls.getStyle('backgroundColor'),
			'height': 'auto'
		});
		
		if(this.contentToLoad.number == 1){
			this.previousButton.addClass('MultiBoxPreviousDisabled');
		}else{
			this.previousButton.removeClass('MultiBoxPreviousDisabled');
		}
		if(this.contentToLoad.number == this.content.length){
			this.nextButton.addClass('MultiBoxNextDisabled');
		}else{
			this.nextButton.removeClass('MultiBoxNextDisabled');
		}
		
		this.controlEffects.start({'height': this.controls.getStyle('height')});

	},
	
	hideControls: function(num){
		this.controlEffects.start({'height': 0}).chain(function(){
			this.container.setStyles(this.containerDefaults);
		}.bind(this));
	},
	
	showThumbnails: function(){
		
	},
	
	next: function(){
		if(this.index < this.content.length-1){
			this.index++;
			this.openId = this.content[this.index].getProperty('id');
			if (this.options.showControls) {
				this.hideControls();
			}
			this.getOpenClosePos(this.content[this.index]);
			//this.getContent(this.index);
			this.timer = this.hideContent.bind(this).delay(500);
			this.timer = this.load.pass(this.index, this).delay(1100);
		}
	},
	
	previous: function(){
		if(this.index > 0){
			this.index--;
			this.openId = this.content[this.index].getProperty('id');
			if (this.options.showControls) {
				this.hideControls();
			}
			this.getOpenClosePos(this.content[this.index]);
			//this.getContent(this.index);
			this.timer = this.hideContent.bind(this).delay(500);
			this.timer = this.load.pass(this.index, this).delay(1000);
		}
	}	
});
MultiBox.implement(new Options);
MultiBox.implement(new Events);


/*************************************************************/

HTMLElement.prototype.dispose = function() {
    this.getParent().removeChild(this);
};

window.onload = function() {
    var i = 1;
    $$(".cms_photoalbum_banner ul li a").each(function(a) {
        $(a).addClass("mb");
        a.id = "mb" + i;
    });

    $$(".cms_photoalbum_banner").each(function(a) {
        var down = $(a).getPrevious();
        var up = $(a).getNext();
        if(a.scrollWidth > a.offsetWidth) {
            var scrollFn = function(el, dir) {
                var ret = true;
                var x = el.scrollLeft + dir;
                var max = el.scrollWidth - $(el).getProperty('width');
                if(x < 0) {
                    x = 0;
                    ret = false;
                } else if(x > max) {
                    x = max;
                    ret = false;
                }

                $(el).scrollTo(x, 0);

                return ret;
            };
            var mouseOver = function(dir, speed) {
                a.stopAutoScroll(dir);
                this.timerId = scrollFn.periodical(50, null, [a, dir]);
            };
            var mouseOut = function() {
                $clear(this.timerId);
                a.startAutoScroll();
            };
            var autoScroll = function() {
                if(scrollFn(this, this.scrollDirection) == false) {
                    this.scrollDirection *= -1; /* Reverse the direction */
                }
            };
            var startAutoScrolling = function(dir, speed) {
                if(!this.scrollDirection) {
                    this.scrollDirection = dir;
                }
                this.timerId = autoScroll.periodical(speed, this);
            };
            var stopAutoScrolling = function(dir) {
                if(this.timerId) {
                    $clear(this.timerId);
                }
                if(dir) {
                    this.scrollDirection *= dir / Math.abs(dir);
                }
            };
            down.addEvent('mouseover', mouseOver.pass([-5, 50], down));
            down.addEvent('mouseout', mouseOut.bind(down));
            up.addEvent('mouseover', mouseOver.pass([5, 50], up));
            up.addEvent('mouseout', mouseOut.bind(up));
            a.startAutoScroll = startAutoScrolling.pass([1, 200], a);
            a.stopAutoScroll = stopAutoScrolling;

            a.startAutoScroll();
        }else{
            /// IE error
			///down.dispose();
            ////up.dispose();
        }
    });

    new MultiBox('mb', {});
};