// -----------------------------------------------------------------------------------
//
// 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 = "bilder/";

// Define each photo's name, height, width, and caption
var photoArray = new Array(
        // Source, Width, Height, Caption
new Array("1.JPG", "800", "600", "Garten - Bar - Pool"),
new Array("2.JPG", "800", "600", "Garten - Bar - Pool"),
new Array("7.JPG", "800", "600", "Garten - Bar - Pool"),
new Array("8.JPG", "800", "600", "Garten - Bar - Pool"),
new Array("29.JPG", "800", "533", "Garten - Bar - Pool"),
new Array("31.JPG", "800", "533", "Garten - Bar - Pool"),
new Array("3.JPG", "800", "600", "Aussicht - View - Vista"),
new Array("32.JPG", "800", "533", "Einfahrt - Garage"),
new Array("25.JPG", "800", "533", "Eingang - Entree"),
new Array("5.JPG", "600", "800", "Flur - Pasillo"),
new Array("4.JPG", "800", "600", "Wohnzimmer - Salon - Living Room"),
new Array("6.JPG", "800", "600", "Wohnzimmer - Salon - Living Room"),
new Array("16.JPG", "800", "533", "Wohnzimmer - Salon - Living Room"),
new Array("18.JPG", "800", "533", "Wohnzimmer - Salon - Living Room"),
new Array("20.JPG", "800", "533", "Wohnzimmer - Salon - Living Room"),
new Array("21.JPG", "800", "533", "Wohnzimmer - Salon - Living Room"),
new Array("22.JPG", "800", "533", "Küche - Kitchen - Cocina"),
new Array("23.JPG", "800", "533", "Küche - Kitchen - Cocina"),
new Array("24.JPG", "800", "533", "Küche - Kitchen - Cocina"),
new Array("26.JPG", "800", "533", "Arbeitszimmer - Office - Oficina"),
new Array("33.JPG", "800", "533", "Aussicht Arbeitszimmer"),
new Array("9.JPG", "800", "600", "Bad 1 EG"),
new Array("10.JPG", "800", "600", "Bad 1 EG"),
new Array("11.JPG", "800", "600", "Bad 1 EG"),
new Array("12.JPG", "600", "800", "Flur EG"),
new Array("41.JPG", "533", "800", "Flur Obergeschoss"),
new Array("44.JPG", "533", "800", "Eingang Schlafzimmer1"),
new Array("43.JPG", "800", "533", "Schlafzimmer1"),
new Array("46.JPG", "800", "533", "Bad im Schlafzimmer1"),
new Array("47.JPG", "800", "533", "Bad im Schlafzimmer1"),
new Array("15.JPG", "800", "600", "Schrank im Schlafzimmer1"),
new Array("14.JPG", "800", "600", "Aussicht Schlafzimmer1"),
new Array("39.JPG", "800", "533", "Kinderzimmer"),
new Array("40.JPG", "800", "533", "Balkon Kinderzimmer"),
new Array("37.JPG", "800", "533", "Bad 2 OG"),
new Array("38.JPG", "800", "533", "Schlafzimmer2"),
new Array("36.JPG", "800", "533", "Flur Untergeschoss"),
new Array("34.JPG", "800", "533", "Schlafzimmer3 Untergeschoss"),
new Array("35.JPG", "800", "533", "Schlafzimmer4 Untergeschoss"),
new Array("49.JPG", "800", "600", "Thank you for your visit")
        );

// 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();
}