// -----------------------------------------------------------------------------------
// 
// 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("Francebrel01.jpg", "480", "640", 'В Брюсселе мы первым делом посетили Фонд Жака Бреля, где проходила выставка "Я люблю бельгийцев". <BR><BR> Une fois &#224; Bruxelles on est all&#233; visiter les Editions Jacques Brel o&#249; une exposition intitul&#233;e "J&#900;aime les Belges" &#233;tait d&#233;ploy&#233;e.'),

	new Array("Francebrel03.jpg", "640", "480", "К нам вышла Франс, дочь великого шансонье. В этот день она не работала в Фонде, но, зная о  нашем визите, нашла возможность встретиться. <BR><BR> France, fille du grand chansonnier est descendue nous accueillir. Ce jour-l&#224; elle ne travaillait pas aux Editions, mais pr&#233;venue de notre visite, a trouv&#233; la possibilit&#233; de venir nous saluer."),
	new Array("Francebrel04.jpg", "640", "480", "На наше предложение спеть одну из песен Бреля Франс пригласила нас сделать это прямо у входа в Фонд. <BR><BR> A notre proposition de chanter une chanson de Brel elle nous a invit&#233; &#224; le faire devant l'entr&#233;e m&#234;me des Editions. "),
	new Array("Francebrel05.jpg", "640", "480", 'Немного волнуясь за качество исполнения - без аккомпанемента, в одиннадцать утра, когда "голос" еще спит -  мы всё-таки решились исполнить "Амстердам" на улице Брюсселя. <BR><BR> Un peu inquiets pour la qualit&#233; de l&#900;interpr&#233;tation - sans le piano, &#224; onze heures du matin quand la voix "sommeille" encore, nous avons fini par chanter "Amsterdam" dans la rue de Bruxelles.'),
	new Array("Francebrel06.jpg", "640", "480", "И тем не менее, ребята прекрасно справились: Франс от души им аплодировала. Все вместе сфотографировались, затем нас пригласили посетили экспозицию, посвященную Жаку Брелю и отношениям с земляками. <BR><BR>  Cependant  les choristes s'en sont d&#233;brouill&#233;s &#224; merveille, France les ayant applaudis de tout coeur. Tous ensemble on a pris quelques photos, puis on nous a invit&#233;s &#224; visiter l'expostion consacr&#233;e &#224; Jacques Brel et &#224; ses relations avec ses pays.  "),
	new Array("Francebrel07.jpg", "640", "480", ""),
	new Array("Francebrel08.jpg", "480", "640", ""),
	new Array("Francebrel09.jpg", "480", "640", "")
	);

// 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();
	soundManagerInit();
}