/* MooFlow Viewer (extra JS MooFlowViewer.js)

 * v0.1dev useViewer:true

 */

MooFlow.implement({



	attachViewer: function(){

		return this;

	},

	flowStart: function(){

		this.hideIcon();

	},

	

	flowComplete: function(){

		this.createIconTip();

	},

	

	createIconTip: function(){

		var cur = this.getCurrent();

		if(!$chk(cur.rel)||!$chk(cur.href)) return;

		this.tipFx = new Fx({link:'cancel'});

		if(!$chk(this.icon)) { this.icon = new Element('a').addClass('show').setStyles({'display':'none','opacity':'0'}).inject(this.MooFlow); }

		this.icon.addEvent('click', this.onClickView.bind(this, cur));

		this.icon.addEvent('mouseenter', this.showTip.bind(this, cur));

		this.icon.addEvent('mouseleave', this.hideTip.bind(this, cur));

		if(!$chk(this.tip)){ this.tip = new Element('div').addClass('tooltip').setStyles({'display':'none','opacity':'0'}).inject(this.MooFlow); }

		this.tip.set('html', cur.alt);

		this.icon.addClass(cur.rel.toLowerCase());

		this.icon.setStyle('display','block').fade(0.6);

	},



	showTip: function(cur){

		this.tip.setStyles({'top':100,'display':'block'});

		this.tipFx = new Fx.Morph(this.tip,{link:'cancel'}).start({'opacity': 0.8, 'top': this.icon.getCoordinates().top-this.tip.getSize().y-100});

	},

	

	hideTip: function(cur){

		this.tipFx.start({'opacity': 0, 'top': 100});

	},



	hideIcon: function(){

		if($chk(this.icon) && $chk(this.icon.getParent())) this.icon.destroy();

		if($chk(this.tip) && $chk(this.tip.getParent())) this.tip.destroy();

		this.icon = this.tip = null;	

	},

	

	onClickView: function(cur){

		switch (cur.rel.toLowerCase()){

			case 'image':

			this.loadImage(cur);

			break;

			case 'link':

			window.open(cur.href, cur.target || '_blank');

			break;

			default:

		}

	},

	

	loadImage: function(cur){

		this.icon.removeClass('image').addClass('viewerload');

		this.image = new Asset.image(cur.href, {onload: this.showImage.bind(this)});

	},

	

	showImage: function(){

		var cur = this.getCurrent();

		var c = cur.con.getFirst().getCoordinates();

		this.image.inject(document.body);

		this.image.addEvent('click', this.hideImage.bind(this));

		this.image.setStyles({'left':c.left,'top':c.top,'width':c.width,'height':c.height,'position':'absolute','z-index':'103'});

		var imageFx = new Fx.Morph(this.image, {transition: Fx.Transitions.Sine.easeOut});

		var to = {x: this.image.get('width'), y: this.image.get('height')};

		var box = document.getSize(), scroll = document.getScroll();

		var pos = {x: scroll.x + ((box.x - to.x) / 2).toInt(), y: scroll.y + ((box.y - to.y) / 2).toInt() };

		var vars = {left: pos.x, top: pos.y, width: to.x, height: to.y};

		imageFx.start(vars);

	},

	

	hideImage: function(){

		this.icon.removeClass('viewerload').addClass('image');

		this.image.dispose();

	}

});