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

	Script		: MultiBox
	Version		: 1.1
	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,
			useOverlay: false,
			contentColor: '#FFF',
			showNumbers: true,
			showThumbnails: true,
			autoPlay: true,
			waitDuration: 2000,
			descClassName: true,
			descMinWidth: 400,
			descMaxWidth: 600,
			movieWidth: 400,
			movieHeight: 300,
			path: 'catalog/',
			onOpen: Class.empty,
			onClose: Class.empty
		};
	},

	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 = {};
		
		if(this.options.useOverlay){
			this.overlay = new Overlay({container: this.options.container, onClick:this.close.bind(this)});
		}
		
		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.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);
		
		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 = link.href.substr(link.href.lastIndexOf('.')+1).toLowerCase();
		var contentOptions = {};
		if($chk(link.rel)){
			var optArr = link.rel.split(',');
			optArr.each(function(el){
				var ta = el.split(':');
				contentOptions[ta[0]] = ta[1];
			});
		}
		
		if(contentOptions.type != undefined){
			str = contentOptions.type;
		}
		
		this.contentObj = {};
		this.contentObj.url = 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 'gif':
			case 'png':
				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(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
			};
		}
		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;
			if(this.options.useOverlay){
				this.overlay.show();
			}
			
			this.container.setStyles(this.getOpenClosePos(el));
			this.container.setStyles({
				opacity: 0,
				display: 'block'
			});
			
			this.containerEffects.start({
				width: this.options.initialWidth,
				height: this.options.initialHeight,
				top: (document.body.clientHeight/2)-(this.options.initialHeight/2)-this.container.getStyle('border').toInt(),
				left: (document.body.clientWidth/2)-(this.options.initialWidth/2)-this.container.getStyle('border').toInt(),
				opacity: [0, 1]
			});
			
			this.load(this.index);
		
		}else{
			
			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 = {};
		this.descriptions.each(function(el,i){
			if(el.hasClass(this.openId)){
				desc = el.clone();
			}
		},this);
		this.contentToLoad = {
			title: this.content[index].title,
			//desc: $(this.options.descClassName+this.content[index].id).clone(),
			desc: desc,
			number: index+1
		};
	},
	
	close: function(){
		if(this.options.useOverlay){
			this.overlay.hide();
		}
		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].href, {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 t=document.body.scrollTop;
	var height=document.body.clientHeight;
		var top = (height/5)-((Number(this.contentObj.height)+this.contentObj.xH)/2)-this.container.getStyle('border').toInt()+t;
		//var top = (window.getHeight()/2)-t;
		//var top = (window.getHeight()/4)+window.getScrollTop();
		
		var width=document.body.clientWidth;
		var left = (width/2)-(this.contentObj.width/2)-this.container.getStyle('border').toInt();
		
		if(top < 0){top = 0}
		if(left < 0){left = 0}
		
		this.containerEffects.stop();
		this.containerEffects.start({
				width: this.contentObj.width,
				height: Number(this.contentObj.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);
			
		}
		
		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.description.getFirst()){
			this.description.getFirst().remove();
		}
		this.contentToLoad.desc.injectInside(this.description).setStyles({display: 'block'});
		
		//this.removeContent.bind(this).delay(500);
		
		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').setHTML('');
			$('MultiBoxMediaObject').remove();
		}
		if($('MultiBoxContentContainer')){
			$('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');
			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');
			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);


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