// -----------------------------------------------------------------------------------
// 
// 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
var photoDir = "photos/01/";

// Define each photo's name, height, width, and caption
var photoArray = new Array(
	// Source, Width, Height, Caption
new Array("001b-leon-uw3.jpg", "245", "360", "Adrian Beard - METSUKI"),
new Array("001c-leon-uw4.jpg", "235", "360", "Adrian Beard - STILL DEAD ALREADY"),
new Array("002b-akio01.jpg", "390", "260", "Akio Yamaguchi - HOTARU"),
new Array("002c-akio02.jpg", "390", "260", "Akio Yamaguchi - MOONLIGHT"),
new Array("003b-alexis01.jpg", "240", "360", "Alexis Alvarez - MINERVA I"),
new Array("003c-alexis02.jpg", "390", "260", "Alexis Alvarez - MINERVA II"),
new Array("003d-alexis03.jpg", "390", "260", "Alexis Alvarez - MINERVA III"),
new Array("004b-barbara01.jpg", "240", "360", "Barbara Flatten - FALL 1"),
new Array("004c-barbara02.jpg", "390", "260", "Barbara Flatten - WALKOVER I"),
new Array("004d-barbara03.jpg", "390", "260", "Barbara Flatten - KEEN ON AZABU III"),
new Array("005b-bonnie.jpg", "255", "360", "Bonnie Bajaj -TENDER"),
new Array("005c-bonnie03-(1).jpg", "239", "360", "Bonnie Bajaj - ISOLATED"),
new Array("005d-bonnie03.jpg", "275", "360", "Bonnie Bajaj - BARE"),
new Array("006b-camilla01.jpg", "328", "360", "Camilla Douraghy - ENCHANTED"),
new Array("006c-camilla02.jpg", "360", "360", "Camilla Douraghy - ENTWINED"),
new Array("006d-camilla03.jpg", "360", "360", "Camilla Douraghy - CAPTURED"),
new Array("007b-carla01.jpg", "385", "260", "Carla Hernandez - BATH TUB 1"),
new Array("007c-carla02.jpg", "243", "360", "Carla Hernandez - BATH TUB 2"),
new Array("007d-carla03.jpg", "243", "360", "Carla Hernandez - BATH TUB 3"),
new Array("008b-frank03.jpg", "520", "260", "Frank La Rivierre - IMAGINATIVE PORTRAYAL TRIPTYCH"),
new Array("008c-frank02.jpg", "520", "260", "Frank La Rivierre - IMAGINATIVE PORTRAYAL TRIPTYCH"),
new Array("008d-frank01.jpg", "520", "260", "Frank La Rivierre - IMAGINATIVE PORTRAYAL TRIPTYCH"),
new Array("010b-leroy01.jpg", "338", "260", "LeRoy Howard - LAST SUPPER 1-1"),
new Array("010d-leroy02.jpg", "337", "260", "LeRoy Howard - LAST SUPPER 1-4"),
new Array("011b-leslie.jpg", "360", "360", "Leslie Kennah - AFTERTHOUGHTS"),
new Array("012b-lori-futonland_08.jpg", "264", "360", "Lori Ono - FUTONLAND 8"),
new Array("012c-lori-futonland_01.jpg", "240", "360", "Lori Ono - FUTONLAND 1"),
new Array("012d-lori-futonland_07.jpg", "390", "260", "Lori Ono - FUTONLAND 7"),
new Array("013b-mia-tagaki.jpg", "544", "260", "Mia Takagi - YUKARI"),
new Array("013d-mia01.jpg", "240", "360", "Mia Takagi - YUKARI"),
new Array("014b-mumi01.jpg", "298", "360", "Mumi Trabucco - BARAE-SAN I"),
new Array("014c-mumi02.jpg", "360", "360", "Mumi Trabucco - BARAE-SAN II"),
new Array("014d-mumi-t.jpg", "360", "360", "Mumi Trabucco - BARAE-SAN III"),
new Array("015b-jill_after.jpg", "405", "260", "Paul Kohl - JILL AFTER"),
new Array("015c-teryl_after.jpg", "381", "260", "Paul Kohl - TERRYL AFTER"),
new Array("015d-self_portrait.jpg", "269", "360", "Paul Kohl - THREE PICTURES (SELF PORTRAIT)"),
new Array("016b-peter.jpg", "321", "360", "Pete Courtney - ROSE"),
new Array("017b-mono_no_aware_w_vosbur.jpg", "264", "360", "Whitney Vosburgh - MONO NO AWARE"),
new Array("017c-wabi_sabi_w_vosburgh.jpg", "270", "360", "Whitney Vosburgh - WABI SABI"),
new Array("017d-susan-toy-face-1.jpg", "347", "260", "Whitney Vosburgh - SUSAN DOLL FACE")
	);

// 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.onclick = function(){
			var myPhoto = new Slideshow(photoId);
			myPhoto.prevPhoto();
			soundManager.play('select');
		}
	},
	'#NextLink' : function(element){
		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();
}