/**
 * Slider component
 * 
 * @copyright: Solid Parnters i-design B.V.
 * @author: Sven Moleman
 * @requirements: Mootools 1.1 
 * @param {SlideShow} SlideShow
 */
if (console == undefined) {
    var console = {
        log: function(value) {
            alert(value);
        }
    };
}

var SlideShow = new Class({
	options:{
		'slideSpeed': 5000
	},
	initialize: function(object,options){
		this.setOptions(options);

        this.object = object;
		this.slides = object.getChildren();
		this.slides.setStyle('opacity','0');
		this.selectedIndex = object.getChildren().length - 1;
		this.slideLength = object.getChildren().length;
    },
	start: function()	{
//		console.log('starting periodical slideshow');
		this.slides[this.selectedIndex].setStyle('opacity',1);
		this.periodicalId = this.slide.periodical(this.options.slideSpeed, this);
		return this.periodicalId;
	},
	stop: function()	{
//		console.log('stopping periodical slideshow (id:'+this.periodicalId+')');
		$clear(this.periodicalId);
	},
	slide: function(index)  {
		if (index == undefined)	{
			index = ((this.selectedIndex+1) >= this.slideLength) ? 0 : (this.selectedIndex+1);
		}
//		console.log('sliding: '+index);
	    this.slides.each(function(slide,slideIndex)  {
	    	if (slideIndex == index)	{
//				console.log('show');
				//new Fx.Style(slide, 'opacity', {duration:this.options.fadeSpeed, wait:false}).start(1);
                slide.fade(1);
			}
			if (slideIndex == this.selectedIndex)	{
//				console.log('hide');
		    	//new Fx.Style(slide, 'opacity', {duration:this.options.fadeSpeed, wait:false}).start(0);
                slide.fade(0);
			}
	    }.bind(this));
		this.selectedIndex = index;
	}
});
SlideShow.implement(new Options);