// -----------------------------------------------------------------------------------
// 
// This page coded by Scott Upton
// http://www.uptonic.com | http://www.couloir.org
//
// This work is licensed under a Creative Commons License
// Attribution-ShareAlike 2.0
// http://creativecommons.org/licenses/by-sa/2.0/
//
// Associated APIs copyright their respective owners
//
// -----------------------------------------------------------------------------------
// --- version date: 11/28/05 --------------------------------------------------------


// get current photo id from URL
var thisURL = document.location.href;
var splitURL = thisURL.split("#");
var photoId = splitURL[1] - 1;

// if no photoId supplied then set default
var photoId = (!photoId)? 0 : photoId;

// CSS border size x 2
var borderSize = 10;

// Photo directory for this gallery
//RF var photoDir = "photos/01/";
//var photoDir = "http://media.gordon.nl/shoots/";
var photoDir = "";

// Define each photo's name, height, width, and caption
var photoArray = new Array(
	// Source, Width, Height, Caption
new Array("http://media.gordon.nl/shoots/foto_64_1613_nyczvi85pk.jpg", "500", "359", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1614_dvoxr8vrlx.jpg", "500", "339", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1615_2xrt0ttcut.jpg", "500", "334", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1616_xe0mk5svu9.jpg", "500", "346", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1617_layynnlm89.jpg", "263", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1618_pmwluwwifx.jpg", "321", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1619_885ddzagxu.jpg", "278", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1620_o2whoym5kr.jpg", "483", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1621_zu3j2ai5tt.jpg", "500", "377", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1622_m8lcww4hci.jpg", "238", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1623_oe44dnn6kn.jpg", "500", "378", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1624_j0jj6u5z57.jpg", "268", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1625_3x375vgi61.jpg", "352", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1626_hfriavz7fi.jpg", "500", "371", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1627_sy0a1jpqb5.jpg", "500", "334", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1628_4ppj9jbx3m.jpg", "500", "334", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1629_exklf023ba.jpg", "500", "369", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1630_kupo37yyyv.jpg", "500", "334", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1631_yyxr31vmjb.jpg", "262", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1632_ix0xn5kyxj.jpg", "266", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1633_epq9ep3ajz.jpg", "267", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1634_sfzlw6muvi.jpg", "273", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1635_2ycom0ieua.jpg", "500", "363", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1636_mwe076y564.jpg", "500", "378", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1637_mfjgi0sjk6.jpg", "270", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1638_byv6bus9xs.jpg", "266", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1639_p46zh0zbg2.jpg", "500", "334", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1640_kxcunwoxfm.jpg", "500", "393", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1641_5br41phpzo.jpg", "476", "400", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1642_brchwtn7er.jpg", "500", "389", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1643_6wg4cp7v3d.jpg", "500", "334", "©William Rutten"),
new Array("http://media.gordon.nl/shoots/foto_64_1644_xbp40bj3dz.jpg", "500", "334", "©William Rutten")
	);

// Number of photos in this gallery
var photoNum = photoArray.length;

/*--------------------------------------------------------------------------*/

// Additional methods for Element added by SU, Couloir
Object.extend(Element, {
	getWidth: function(element) {
   	element = $(element);
   	return element.offsetWidth; 
	},
	setWidth: function(element,w) {
   	element = $(element);
    	element.style.width = w +"px";
	},
	setHeight: function(element,h) {
   	element = $(element);
    	element.style.height = h +"px";
	},
	setSrc: function(element,src) {
    	element = $(element);
    	element.src = src; 
	},
	setHref: function(element,href) {
    	element = $(element);
    	element.href = href; 
	},
	setInnerHTML: function(element,content) {
		element = $(element);
		element.innerHTML = content;
	}
});

/*--------------------------------------------------------------------------*/

var Slideshow = Class.create();

Slideshow.prototype = {
	initialize: function(photoId) {
		this.photoId = photoId;
		this.photo = 'Photo';
		this.photoBox = 'Container';
		this.prevLink = 'PrevLink';
		this.nextLink = 'NextLink';
		this.captionBox = 'CaptionContainer';
		this.caption = 'Caption';
		this.counter = 'Counter';
		this.loader = 'Loading';
	},
	getCurrentSize: function() {
		// Get current height and width, subtracting CSS border size
		this.wCur = Element.getWidth(this.photoBox) - borderSize;
		this.hCur = Element.getHeight(this.photoBox) - borderSize;
	},
	getNewSize: function() {
		// Get current height and width
		this.wNew = photoArray[photoId][1];
		this.hNew = photoArray[photoId][2];
	},
	getScaleFactor: function() {
		this.getCurrentSize();
		this.getNewSize();
		// Scalars based on change from old to new
		this.xScale = (this.wNew / this.wCur) * 100;
		this.yScale = (this.hNew / this.hCur) * 100;
	},
	setNewPhotoParams: function() {
		// Set source of new image
		Element.setSrc(this.photo,photoDir + photoArray[photoId][0]);
		// Set anchor for bookmarking
		Element.setHref(this.prevLink, "#" + (photoId+1));
		Element.setHref(this.nextLink, "#" + (photoId+1));
	},
	setPhotoCaption: function() {
		// Add caption from gallery array
		Element.setInnerHTML(this.caption,photoArray[photoId][3]);
		Element.setInnerHTML(this.counter,((photoId+1)+'/'+photoNum));
	},
	resizePhotoBox: function() {
		this.getScaleFactor();
		new Effect.Scale(this.photoBox, this.yScale, {scaleX: false, duration: 0.3, queue: 'front'});
		new Effect.Scale(this.photoBox, this.xScale, {scaleY: false, delay: 0.5, duration: 0.3});
		// Dynamically resize caption box as well
		Element.setWidth(this.captionBox,this.wNew-(-borderSize));
	},
	showPhoto: function(){
		new Effect.Fade(this.loader, {delay: 0.5, duration: 0.3});
		// Workaround for problems calling object method "afterFinish"
		new Effect.Appear(this.photo, {duration: 0.5, queue: 'end', afterFinish: function(){Element.show('CaptionContainer');Element.show('PrevLink');Element.show('NextLink');}});
	},
	nextPhoto: function(){
		// Figure out which photo is next
		(photoId == (photoArray.length - 1)) ? photoId = 0 : photoId++;
		this.initSwap();
	},
	prevPhoto: function(){
		// Figure out which photo is previous
		(photoId == 0) ? photoId = photoArray.length - 1 : photoId--;
		this.initSwap();
	},
	initSwap: function() {
		// Begin by hiding main elements
		Element.show(this.loader);
		Element.hide(this.photo);
		Element.hide(this.captionBox);
		Element.hide(this.prevLink);
		Element.hide(this.nextLink);
		// Set new dimensions and source, then resize
		this.setNewPhotoParams();
		this.resizePhotoBox();
		this.setPhotoCaption();
	}
}

/*--------------------------------------------------------------------------*/

// Establish CSS-driven events via Behaviour script
var myrules = {
	'#Photo' : function(element){
		element.onload = function(){
			var myPhoto = new Slideshow(photoId);
			myPhoto.showPhoto();
		}
	},
	'#PrevLink' : function(element){
		//element.onmouseover = function(){
		//	soundManager.play('beep');
		//}
		element.onclick = function(){
			var myPhoto = new Slideshow(photoId);
			myPhoto.prevPhoto();
			//soundManager.play('select');
		}
	},
	'#NextLink' : function(element){
		//element.onmouseover = function(){
		//	soundManager.play('beep');
		//}
		element.onclick = function(){
			var myPhoto = new Slideshow(photoId);
			myPhoto.nextPhoto();
			//soundManager.play('select');
		}
	},
	a : function(element){
		element.onfocus = function(){
			this.blur();
		}
	}
};

// Add window.onload event to initialize
Behaviour.addLoadEvent(init);
Behaviour.apply();
function init() {
	var myPhoto = new Slideshow(photoId);
	myPhoto.initSwap();
	//RF soundManagerInit();
}