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

	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,
			useOverlay: false,
			contentColor: '#fff',
			showNumbers: true,
			showControls: true,
			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: false,
			relativeToWindow: true
		};
	},


	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)});
		}

		/* Hide All Description Divs */
		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': 0,
			'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.tlContainer = new Element('div').addClass('MultiBoxTL').injectInside(this.container);
		this.tmContainer = new Element('div').addClass('MultiBoxTM').injectInside(this.container);
		this.trContainer = new Element('div').addClass('MultiBoxTR').injectInside(this.container).addEvent('click', this.close.bind(this));

		this.mlContainer = new Element('div').addClass('MultiBoxML').injectInside(this.container);
		this.mrContainer = new Element('div').addClass('MultiBoxMR').injectInside(this.container);

		this.blContainer = new Element('div').addClass('MultiBoxBL').injectInside(this.container);
		this.bmContainer = new Element('div').addClass('MultiBoxBM').injectInside(this.container);
		this.brContainer = new Element('div').addClass('MultiBoxBR').injectInside(this.container);

		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);

		this.content = $$('.' + className);

		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: 400, transition: Fx.Transitions.sineInOut});

		if (window.ie6) {
			this.boxEffects = new Fx.Styles(this.box, {duration: 400, transition: Fx.Transitions.sineInOut});
			this.borderLeftEffects = new Fx.Styles(this.mlContainer, {duration: 400, transition: Fx.Transitions.sineInOut});
			this.borderRightEffects = new Fx.Styles(this.mrContainer, {duration: 400, 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 'swf':
				this.type = 'flash';
				break;
			case 'flv':
				this.type = 'flashVideo';
				this.contentObj.xH = 70;
				break;
			case 'mov':
				this.type = 'quicktime';
				break;
			case 'wmv':
				this.type = 'windowsMedia';
				break;
			case 'rv':
			case 'rm':
			case 'rmvb':
				this.type = 'real';
				break;
			case 'mp3':
				this.type = 'flashMp3';
				this.contentObj.width = 320;
				this.contentObj.height = 70;
				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 {
				if (window.opera) {
					var tempH = document.documentElement.clientHeight;
				}
				else {
					var tempH = window.getHeight();
				}
				var top = ((tempH/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;

			if (this.options.useOverlay) {
				this.overlay.show();
			}

			this.container.setStyles(this.getOpenClosePos(el));

			this.container.setStyles({
				opacity: 0,
				display: 'block'
			});

			if (this.options.fixedTop) {
				var top = this.options.fixedTop;
			}
			else {
				if (window.opera) {
					var tempH = document.documentElement.clientHeight;
				}
				else {
					var tempH = window.getHeight();
				}
				var top = ((tempH/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(1000);
		}
	},

	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);
		}

		this.contentToLoad = {
			title: this.content[index].title || '&nbsp;',
			desc: desc,
			number: index + 1
		};
	},

	close: function(){
		if (this.options.useOverlay) {
			this.overlay.hide();
		}

		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].href, {onload: this.resize.bind(this)});
			this.contentObj.xH = xH;
		}
		else {
			this.resize();
		}
	},

	resize: function(){
		if (this.options.fixedTop) {
			var top = this.options.fixedTop;
		}
		else {
			if (window.opera) {
				var tempH = document.documentElement.clientHeight;
			}
			else {
				var tempH = window.getHeight();
			}
			var top = ((tempH/2) - ((Number(this.contentObj.height) + this.contentObj.xH)/2) - this.container.getStyle('border').toInt() + window.getScrollTop()) + this.options.offset.y;

			if (top < 50) var top = 50;
		}

		var left = ((window.getWidth()/2) - (this.contentObj.width/2) - this.container.getStyle('border').toInt()) + this.options.offset.x;

		if (top < 0) {
			top = 0;
		}

		if (left < 0) {
			left = 0;
		}

		if (window.ie6) {
			this.borderLeftEffects.stop();
			this.borderLeftEffects.start({'height': (Number(this.contentObj.height) + this.contentObj.xH) + 'px'});

			this.borderRightEffects.stop();
			this.borderRightEffects.start({'height': (Number(this.contentObj.height) + this.contentObj.xH) + 'px'});

			this.boxEffects.stop();
			this.boxEffects.start({'height': (Number(this.contentObj.height) + this.contentObj.xH) + 'px'});
		}

		this.containerEffects.stop();
		this.containerEffects.start({
			'width': this.contentObj.width + 'px',
			'height': (Number(this.contentObj.height) + this.contentObj.xH) + 'px',
			'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();
		}
		else {
			var obj = this.createEmbedObject().injectInside(this.contentContainer);

			if (this.str != '') {
				$('MultiBoxMediaObject').setHTML(this.str);
			}
		}

		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'
			});
		}

		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').remove();	
		}
	},

	showControls: function(){
		if (this.container.getStyle('height') != 'auto') {
			this.containerDefaults.height = this.container.getStyle('height');
			this.containerDefaults.backgroundColor = this.options.contentColor;
		}

		this.container.setStyles({
			'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');
		}

		if (window.ie6) {
			this.borderLeftEffects.start({'height': (this.container.getStyle('height').toInt() + this.controls.getStyle('height').toInt()) + 'px'});
			this.borderRightEffects.start({'height': (this.container.getStyle('height').toInt() + this.controls.getStyle('height').toInt()) + 'px'});
		}

		this.controlEffects.start({'height': this.controls.getStyle('height')});
	},

	hideControls: function(num) {
		if (window.ie6) {
			this.borderLeftEffects.start({'height': (this.container.getStyle('height').toInt() - this.controls.getStyle('height').toInt()) + 'px'});
			this.borderRightEffects.start({'height': (this.container.getStyle('height').toInt() - this.controls.getStyle('height').toInt()) + 'px'});
		}

		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.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.timer = this.hideContent.bind(this).delay(500);
			this.timer = this.load.pass(this.index, this).delay(1000);
		}
	},

	createEmbedObject: function(){
		var url = this.contentObj.url;

		if(this.type == 'flash'){
			var obj = new Element('div').setProperties({id: 'MultiBoxMediaObject'});
			this.str = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0" '
			this.str += 'width="'+this.contentObj.width+'" ';
			this.str += 'height="'+this.contentObj.height+'" ';
			this.str += 'title="MultiBoxMedia">';
  			this.str += '<param name="movie" value="'+url+'" />'
  			this.str += '<param name="quality" value="high" />';
  			this.str += '<embed src="'+url+'" ';
  			this.str += 'quality="high" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" ';
  			this.str += 'width="'+this.contentObj.width+'" ';
  			this.str += 'height="'+this.contentObj.height+'"></embed>';
			this.str += '</object>';
		}

		if(this.type == 'flashVideo'){			
			var obj = new Element('div').setProperties({id: 'MultiBoxMediaObject'});
			this.str = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0" '
			this.str += 'width="'+this.contentObj.width+'" ';
			this.str += 'height="'+(Number(this.contentObj.height)+this.contentObj.xH)+'" ';
			this.str += 'title="MultiBoxMedia">';
  			this.str += '<param name="movie" value="'+this.options.path+'flvplayer.swf" />'
  			this.str += '<param name="quality" value="high" />';
  			this.str += '<param name="salign" value="TL" />';
  			this.str += '<param name="scale" value="noScale" />';
  			this.str += '<param name="FlashVars" value="path='+url+'" />';
  			this.str += '<embed src="'+this.options.path+'flvplayer.swf" ';
  			this.str += 'quality="high" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" ';
  			this.str += 'width="'+this.contentObj.width+'" ';
  			this.str += 'height="'+(Number(this.contentObj.height)+this.contentObj.xH)+'"';
  			this.str += 'salign="TL" ';
  			this.str += 'scale="noScale" ';
  			this.str += 'FlashVars="path='+url+'"';
  			this.str += '></embed>';
			this.str += '</object>';
		}

		if(this.type == 'flashMp3'){
			var obj = new Element('div').setProperties({id: 'MultiBoxMediaObject'});
			this.str = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0" '
			this.str += 'width="'+this.contentObj.width+'" ';
			this.str += 'height="'+this.contentObj.height+'" ';
			this.str += 'title="MultiBoxMedia">';
  			this.str += '<param name="movie" value="'+this.options.path+'mp3player.swf" />'
  			this.str += '<param name="quality" value="high" />';
  			this.str += '<param name="salign" value="TL" />';
  			this.str += '<param name="scale" value="noScale" />';
  			this.str += '<param name="FlashVars" value="path='+url+'" />';
  			this.str += '<embed src="'+this.options.path+'mp3player.swf" ';
  			this.str += 'quality="high" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" ';
  			this.str += 'width="'+this.contentObj.width+'" ';
  			this.str += 'height="'+this.contentObj.height+'"';
  			this.str += 'salign="TL" ';
  			this.str += 'scale="noScale" ';
  			this.str += 'FlashVars="path='+url+'"';
  			this.str += '></embed>';
			this.str += '</object>';
		}

		if(this.type == 'quicktime'){
			var obj = new Element('div').setProperties({id: 'MultiBoxMediaObject'});
			this.str = '<object  type="video/quicktime" classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab"';
			this.str += ' width="'+this.contentObj.width+'" height="'+this.contentObj.height+'">';
			this.str += '<param name="src" value="'+url+'" />';
			this.str += '<param name="autoplay" value="true" />';
			this.str += '<param name="controller" value="true" />';
			this.str += '<param name="enablejavascript" value="true" />';
			this.str += '<embed src="'+url+'" autoplay="true" pluginspage="http://www.apple.com/quicktime/download/" width="'+this.contentObj.width+'" height="'+this.contentObj.height+'"></embed>';
			this.str += '<object/>';
		}

		if(this.type == 'windowsMedia'){
			var obj = new Element('div').setProperties({id: 'MultiBoxMediaObject'});
			this.str = '<object  type="application/x-oleobject" classid="CLSID:22D6f312-B0F6-11D0-94AB-0080C74C7E95" codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,4,7,1112"';
			this.str += ' width="'+this.contentObj.width+'" height="'+this.contentObj.height+'">';
			this.str += '<param name="filename" value="'+url+'" />';
			this.str += '<param name="Showcontrols" value="true" />';
			this.str += '<param name="autoStart" value="true" />';
			this.str += '<embed type="application/x-mplayer2" src="'+url+'" Showcontrols="true" autoStart="true" width="'+this.contentObj.width+'" height="'+this.contentObj.height+'"></embed>';
			this.str += '<object/>';
		}

		if(this.type == 'real'){
			var obj = new Element('div').setProperties({id: 'MultiBoxMediaObject'});
			this.str = '<object classid="clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA"';
			this.str += ' width="'+this.contentObj.width+'" height="'+this.contentObj.height+'">';
			this.str += '<param name="src" value="'+url+'" />';
			this.str += '<param name="controls" value="ImageWindow" />';
			this.str += '<param name="autostart" value="true" />';
			this.str += '<embed src="'+url+'" controls="ImageWindow" autostart="true" width="'+this.contentObj.width+'" height="'+this.contentObj.height+'"></embed>';
			this.str += '<object/>';
		}

		return obj;
	}
});

MultiBox.implement(new Options);
MultiBox.implement(new Events);


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