/*
	Viewsbox v0.1 - Slimbox stripped back ON STERIODS!
	
	SuperSlimbox v0.1 - Slimbox ON STERIODS!
	by Josh Reid (http://www.xsv.co.nz) - MIT-style license.
	***********************************************************************
	Based on: Slimbox v1.41 - The ultimate lightweight Lightbox clone
	by Christophe Beyls (http://www.digitalia.be) - MIT-style license.
	Inspired by the original Lightbox v2 by Lokesh Dhakar.
*/

// STRING SPLIT FUNCTION
function str2arr(str,ch){
	var a=new Array();
	var i=0,j=-1,k=0;
	while (i<str.length){
		j=str.indexOf(ch,j+1);
		if (j!=-1){
			if (j==0){a[k]="";}else{a[k]=str.substring(i,j);}
			i=j+1;
		}else{
			a[k]=str.substring(i,str.length);
			i=str.length;
		}
		k++;
	}
	return a;
}

// Set Options
	var iniW = 600;
	var iniH = 300;
	var finW = 600;
	var finH = 300;
	
// VIEWSBOX
var Viewsbox = {

	init: function(options){
		this.options = $extend({
			resizeDuration: 400,
			resizeTransition: false,	// default transition
			initialWidth: iniW,
			initialHeight: iniH,
			animateCaption: true,
			showCounter: true
		}, options || {});

		this.anchors = [];
		$each(document.links, function(el){
			if (el.rel && el.rel.test(/^viewsbox/i)){
				el.onclick = this.click.pass(el, this);
				this.anchors.push(el);
			}
		}, this);
		this.eventKeyDown = this.keyboardListener.bindAsEventListener(this);
		this.eventPosition = this.position.bind(this);

		this.overlay = new Element('div', {'id': 'lbOverlay'}).injectInside(document.body);

		this.center = new Element('div', {'id': 'lbCenter', 'styles': {'width': this.options.initialWidth, 'height': this.options.initialHeight, 'marginLeft': -(this.options.initialWidth/2), 'display': 'none'}}).injectInside(document.body);
		
//***** NEW ELEMENTS
		this.topContainer = new Element('div', {'id': 'lbTopContainer'}).injectInside(this.center);
		
		this.topLink = new Element('a', {'id': 'lbTopLink'}).setHTML('View all information for this property').injectInside(this.topContainer);
		this.title = new Element('div', {'id': 'lbTitle'}).injectInside(this.topContainer);
		this.subTitle = new Element('div', {'id': 'lbSubTitle'}).injectInside(this.topContainer);
		
		this.image = new Element('div', {'id': 'lbImage'}).injectInside(this.center);
//***** NEW HOLDER	
		this.holder = new Element('div', {'id': 'lbHolder'}).injectInside(this.center);
		
		this.prevLink = new Element('a', {'id': 'lbPrevLink', 'class': 'vr', 'href': '#', 'styles': {'display': 'none'}}).injectInside(this.image);
		this.nextLink = new Element('a', {'id': 'lbNextLink', 'class': 'vr', 'href': '#', 'styles': {'display': 'none'}}).injectInside(this.image);
		this.prevLink.onclick = this.previous.bind(this);
		this.nextLink.onclick = this.next.bind(this);

		this.bottomContainer = new Element('div', {'id': 'lbBottomContainer', 'styles': {'display': 'none'}}).injectInside(document.body);
		this.bottom = new Element('div', {'id': 'lbBottom'}).injectInside(this.bottomContainer);
		
		new Element('a', {'id': 'lbCloseLink', 'href': '#'}).setHTML('Close').injectInside(this.bottom).onclick = this.overlay.onclick = this.close.bind(this);
		//new Element('a', {'id': 'lbCloseLink', 'href': '#'}).injectInside(this.bottom).onclick = this.overlay.onclick = this.close.bind(this);
		this.caption = new Element('div', {'id': 'lbCaption'}).injectInside(this.bottom);
		this.number = new Element('div', {'id': 'lbNumber'}).injectInside(this.bottom);
		
//***** THUMBNAILS WRAPPER		
		this.imgWrap = new Element('div', {'class': 'thumbWrap tn360'}).injectInside(this.bottom);

		var nextEffect = this.nextEffect.bind(this);
		this.fx = {
			overlay: this.overlay.effect('opacity', {duration: 500}).hide(),
			resize: this.center.effects($extend({duration: this.options.resizeDuration, onComplete: nextEffect}, this.options.resizeTransition ? {transition: this.options.resizeTransition} : {})),
			image: this.image.effect('opacity', {duration: 500, onComplete: nextEffect}),
			bottom: this.bottom.effect('margin-top', {duration: 400, onComplete: nextEffect})
		};

		this.preloadPrev = new Image();
		this.preloadNext = new Image();
	},

	click: function(link){
		if (link.rel.length == 8) return this.show(link.href, link.title);

		var j, imageNum, images = [];
		this.anchors.each(function(el){
			if (el.rel == link.rel){
				for (j = 0; j < images.length; j++) if(images[j][0] == el.href) break;
				if (j == images.length){
//***************** GET MORE STUFF - Rel str split to get data (0 position strips '...box[')					
					images.push([el.href, el.title, str2arr(el.rel,',')]);
					
					if (el.href == link.href) imageNum = j;
				}
			}
		}, this);
		return this.open(images, imageNum);
	},

	show: function(url, title){
		return this.open([[url, title]], 0);
	},

	open: function(images, imageNum){
		this.images = images;
//************* INSERT THUMBNAILS	
		this.thumbs = [];
		for (j = 0; j < images.length; j++) {
			var tnSm = images.length > 7 ? 'Sm' : '' ;
			this.thumbs[j] = new Element('a', {'id': 'tn'+j, 'class': 'thumb imgHold'+tnSm, 'href':'#'}).setHTML('<img src="'+images[j][0]+'" alt="'+images[j][2][3]+' - Image ' + (j+1) +'" />').injectInside(this.imgWrap);
		}
		var LB = this;
		this.thumbs.each(function(thumb)
		{
			thumb.addEvent('click', function(e)
			{
				new Event(e).stop();
				var j = thumb.id.substr(2);
				return LB.changeImage(j);
			});
		});
		
		this.position();
		this.setup(true);
		this.top = window.getScrollTop() + 15; //(window.getHeight() / 15);
		this.center.setStyles({top: this.top, display: ''});
		this.fx.overlay.start(0.8);
		return this.changeImage(imageNum);
	},

	position: function(){
		this.overlay.setStyles({'top': window.getScrollTop(), 'height': window.getHeight()});
	},

	setup: function(open){
		
		var elements = $A(document.getElementsByTagName('object'));
		elements.extend(document.getElementsByTagName(window.ie ? 'select' : 'embed'));
		elements.each(function(el){
			if (open) el.lbBackupStyle = el.style.visibility;
			el.style.visibility = open ? 'hidden' : el.lbBackupStyle;
		});
		var fn = open ? 'addEvent' : 'removeEvent';
		window[fn]('scroll', this.eventPosition)[fn]('resize', this.eventPosition);
		document[fn]('keydown', this.eventKeyDown);
		this.step = 0;
	},

	keyboardListener: function(event){
		switch (event.keyCode){
			case 27: case 88: case 67: this.close(); break;
			case 37: case 80: this.previous(); break;	
			case 39: case 78: this.next();
		}
	},

	previous: function(){
		return this.changeImage(this.activeImage-1);
	},

	next: function(){
		return this.changeImage(this.activeImage+1);
	},

	changeImage: function(imageNum){
		if (this.step || (imageNum < 0) || (imageNum >= this.images.length)) return false;
		this.step = 1;
		this.activeImage = Number(imageNum);

		//this.bottomContainer.style.display = this.prevLink.style.display = this.nextLink.style.display = 'none';
		this.fx.image.hide();
		this.center.className = 'lbLoading';
				
		this.preload = new Image();
		this.preload.onload = this.nextEffect.bind(this);
		this.preload.src = '/beta/images/gen/bk/viewBk.gif';
		return false;
	},

	nextEffect: function(){
		
		for (j = 0; j < this.images.length; j++) {
			$('tn'+j).setStyle('border-color','#999');
		}
		$('tn'+this.activeImage).setStyle('border-color','#EC1D24');
		
		/* STEP 5 MOVED */
		if (this.activeImage && this.activeImage !=0) {
			this.prevLink.style.display = 'block';
		} else {
			this.prevLink.style.display = 'none';
		}
		if (this.activeImage != (this.images.length - 1)) {
			this.nextLink.style.display = 'block';
		} else {
			this.nextLink.style.display = 'none';
		}
		
		switch (this.step++){
		case 1:
			this.center.className = '';
			//this.image.style.backgroundImage = 'url('+this.images[this.activeImage][0]+')';
			this.image.style.width = this.bottom.style.width = finW+'px'; //this.preload.width+'px';
			this.image.style.height = this.prevLink.style.height = this.nextLink.style.height = finH+'px';//this.preload.height+'px';

//********* SET DISPLAY PROPERTIES
			this.title.setHTML((this.images[this.activeImage][2][1]? this.images[this.activeImage][2][1] + ' - ' + this.images[this.activeImage][2][2] : this.images[this.activeImage][2][2]));
			this.subTitle.setHTML('PROPERTY ID: '+ this.images[this.activeImage][2][3]);
			this.topLink.href = 'property.php?reference=' + this.images[this.activeImage][2][3];
			this.caption.setHTML((!this.options.showCounter || (this.images.length == 1)) ? '' : 'Image '+(this.activeImage+1)+' of '+this.images.length);
			this.number.setHTML('');
			this.holder.setHTML('');
			
//********* SET APPLET & PROPERTIES		
			this.applet = new Element('applet', {'code':'ptviewer.class','name':'viewer','width':360,'height':270}).injectInside(this.holder);
				this.param1 = new Element('param', {'name':'file','value': this.images[this.activeImage][0] }).injectInside(this.applet);
				this.param2 = new Element('param', {'name':'fov','value':'92'}).injectInside(this.applet);
				this.param3 = new Element('param', {'name':'wait','value':'images/controlimages/wait.gif'}).injectInside(this.applet);
				this.param4 = new Element('param', {'name':'auto','value':'.25'}).injectInside(this.applet);
				
			
			if (this.activeImage) this.preloadPrev.src = '/beta/images/gen/bk/viewBk.gif';
			if (this.activeImage != (this.images.length - 1)) this.preloadNext.src = '/beta/images/gen/bk/viewBk.gif';
			if (this.center.clientHeight != this.image.offsetHeight){
				this.fx.resize.start({height: this.image.offsetHeight});
				break;
			}
			this.step++;
		case 2:
			if (this.center.clientWidth != this.image.offsetWidth){
				this.fx.resize.start({width: this.image.offsetWidth, marginLeft: -this.image.offsetWidth/2});
				break;
			}
			this.step++;
		case 3:
			this.bottomContainer.setStyles({top: this.top + this.center.clientHeight, height: ''/*0*/, marginLeft: this.center.style.marginLeft, display: ''});
			this.fx.image.start(1);
			break;
		case 4:
			if (this.options.animateCaption){
				//this.fx.bottom.set(-this.bottom.offsetHeight);
				this.bottomContainer.style.height = '';
				//this.fx.bottom.start(0);
				
				this.step++; // <-- ADDED
				
				//break;
			}
			this.bottomContainer.style.height = '';
		case 5:
			/* MOVED STEP 5 TO GO HERE
			// OLD
			if (this.activeImage) this.prevLink.style.display = '';
			if (this.activeImage != (this.images.length - 1)) this.nextLink.style.display = ''; */
			this.step = 0;
		}
	},

	close: function(){
		if (this.step < 0) return;
		this.step = -1;
		if (this.preload){
			this.preload.onload = Class.empty;
			this.preload = null;
		}
		for (var f in this.fx) this.fx[f].stop();
		this.imgWrap.setHTML('');
		this.center.style.display = this.bottomContainer.style.display = 'none';
		this.fx.overlay.chain(this.setup.pass(false, this)).start(0);
		return false;
	}
};

window.addEvent('domready', Viewsbox.init.bind(Viewsbox));