/*  
JAVASCRIPT IMAGE GALLERY W/ mootools
Description: A easy, non destructive javascript image gala.
Version: 1.1
Author: Devin Ross
Author URI: http://tutorialdog.com
*/

/*
Release notes:
	1.1 - Adds loading animation, and properly fades in images when fully loaded
	1.1.1 - Fixes displaying description, Fades out current image, Works with Mootools 1.2
*/


window.addEvent('domready', function() {
		
		
		// CHANGE THIS !!
		//var slides = 2;		// NUMBER OF SLIDES IN SLIDESHOW, CHANGE ACCORDINGLY
		
		//var pos = 0;
		//var offset = 462;	// HOW MUCH TO SLIDE WITH EACH CLICK
		//var currentslide = 1;	// CURRENT SLIDE IS THE FIRST SLIDE
		
		var inspector = $('fullimg');	// WHERE THE LARGE IMAGES WILL BE PLACE	
		var fx = new Fx.Morph(inspector, {duration: 300, transition: Fx.Transitions.Sine.easeOut});
 		var fx2 = new Fx.Morph(inspector, {duration: 200, transition: Fx.Transitions.Sine.easeOut});

		var cur_ele = null;
		
		/* THUMBNAIL IMAGE SCROLL */
// 		var imgscroll = new Fx.Scroll('wrapper', {
//    			offset: {'x': 0, 'y': 0},
//    			transition: Fx.Transitions.Cubic.easeOut	// HOW THE SCROLLER SCROLLS
// 		}).toLeft();

	
		/* EVENTS - WHEN AN ARROW IS CLICKED THE THUMBNAILS SCROLL */
// 		$('moveleft').addEvent('click', function(event) { event = new Event(event).stop();
// 			if(currentslide == 1) return;
// 			currentslide--;					// CURRENT SLIDE IS ONE LESS
// 			pos += -(offset);				// CHANGE SCROLL POSITION
// 			imgscroll.start(pos);			// SCROLL TO NEW POSITION
// 		});
// 		$('moveright').addEvent('click', function(event) { event = new Event(event).stop();
// 			if(currentslide >= slides) return;
// 			currentslide++;
// 			pos += offset;
// 			imgscroll.start(pos);
// 		});
		
		/* WHEN AN ITEM IS CLICKED, IT INSERTS THE IMAGE INTO THE FULL VIEW DIV */
		$$('.item').each(function(item){ 
			item.addEvent('click', function(e) { 
				e = new Event(e).stop();
				
				cur_ele.removeClass('current');
				
				this.addClass('current');
				cur_ele = this;
				
				fx2.start({ 
					'opacity' : 0													
				}).chain(function(){
					
					inspector.empty();		// Empty Stage
					
					$('items').addClass('loading');
					
/*					var loadimg = 'images/ajax-loader.gif';	   // Reference to load gif
					
					var load = new Element('img', { 'src': loadimg, 'class': 'loading' }).inject(inspector); */
					
					fx2.start({ 'opacity' : 1 });
					var largeImage = new Element('img', { 'src': item.href }); // create large image
					
					/* When the large image is loaded, fade out, fade in with new image */
					//largeImage.onload = function(){  // While this line of code causes the images to load/transition in smoothly, it cause IE to stop working
						fx.start({ 
							'opacity' : 0													
						}).chain(function(){
							inspector.empty();	           				// empty stage
							$('items').removeClass('loading');

						
						//	var description = item.getElement('span');	// see if there is a description
							
						//	if(description)					   
							//	var des = new Element('p').set('text', description.get('text')).inject(inspector);
									
							largeImage.inject(inspector); // insert new image
							fx.start({'opacity': 1});	 // then bring opacity of elements back to visible				
						});
					//};
					
				});
			});
		});

		// INSERT THE INITAL IMAGE - LIKE ABOVE
		inspector.empty();
		//var description = $('gal-first').getElement('span');
		//if(description) var desc = new Element('p').setHTML(description.get('html')).inject(inspector);
		var largeImage = new Element('img', {'src': $('gal-first').href}).inject(inspector);
		cur_ele = $('gal-first');
	
});