/*

Author:

	luistar15, <leo020588 [at] gmail.com>

License:

	MIT-style license.

 

Class

	noobSlide (rev.17-04-08)



Arguments:

	options - see Options below



Options:

	box: dom element | required

	items: dom collection | required

	size: int | item size (px) | default: 240

	mode: string | 'horizontal', 'vertical' | default: 'horizontal'

	interval: int | for peridical | default: 5000

	buttons:{

		previous: single dom element OR dom collection| default: null

		next:  single dom element OR dom collection | default: null

		play:  single dom element OR dom collection | default: null

		playback:  single dom element OR dom collection | default: null

		stop:  single dom element OR dom collection | default: null

	}

	button_event: string | event type | default: 'click'

	handles: dom collection | default: null

	handle_event: string | event type| default: 'click'

	fxOptions: object | Fx.Style options | default: {duration:500,wait:false}

	autoPlay: boolean | default: false

	onWalk: event | pass arguments: currentItem, currentHandle | default: null

	startItem: int



Properties:

	box: dom element

	items: dom collection

	size: int

	mode: string

	interval: int

	buttons: object

	button_event: string

	handles: dom collection

	handle_event: string

	previousIndex: int

	nextIndex: int

	fx: Fx.style instance

	autoPlay: boolean

	onWalk: function

	

Methods:

	previous(manual): walk to previous item

		manual: bolean | default:false

	next(manual): walk to next item

		manual: bolean | default:false

	play (delay,direction,wait): auto walk items

		delay: int | required

		direction: string | "previous" or "next" | required

		wait: boolean | required

	stop(): sopt auto walk

	walk(item,manual): walk to item

		item: int | required

		manual: bolean | default:false

	addHandleButtons(handles):

		handles: dom collection | required

	addActionButtons(action,buttons):

		action: string | "previous", "next", "play", "playback", "stop" | required

		buttons: dom collection | required



*/

var noobSlide = new Class({



	initialize: function(params){

		this.items = params.items;

		this.mode = params.mode || 'horizontal';

		this.modes = {horizontal:['right','width'], vertical:['top','height']};

		this.size = params.size || 440;

		this.box = params.box.setStyle(this.modes[this.mode][1],(this.size*this.items.length)+'px');

		this.button_event = params.button_event || 'click';

		this.handle_event = params.handle_event || 'click';

		this.interval = params.interval || 5000;

		this.buttons = {previous: [], next: [], play: [], playback: [], stop: []};

		if(params.buttons){

			for(var action in params.buttons){

				this.addActionButtons(action, $type(params.buttons[action])=='array' ? params.buttons[action] : [params.buttons[action]]);

			}

		}

		this.handles = params.handles || null;

		if(this.handles){

			this.addHandleButtons(this.handles);

		}

		this.fx = new Fx.Style(this.box,this.modes[this.mode][0],params.fxOptions||{duration:500,wait:false});

		this.onWalk = params.onWalk || null;

		this.currentIndex = params.startItem || 0;

		this.previousIndex = null;

		this.nextIndex = null;

		this.autoPlay = params.autoPlay || false;

		this._auto = null;

		this.box.setStyle(this.modes[this.mode][0],(-this.currentIndex*this.size)+'px');

		if(params.autoPlay) this.play(this.interval,'next',true);

	},



	previous: function(manual){

		this.currentIndex += this.currentIndex>0 ? -1 : this.items.length-1;

		this.walk(null,manual);

	},



	next: function(manual){

		this.currentIndex += this.currentIndex<this.items.length-1 ? 1 : 1-this.items.length;

		this.walk(null,manual);

	},



	play: function(delay,direction,wait){

		this.stop();

		if(!wait){

			this[direction](false);

		}

		this._auto = this[direction].periodical(delay,this,false);

	},



	stop: function(){

		$clear(this._auto);

	},



	walk: function(item,manual){

		if($defined(item)){

			if(item==this.currentIndex) return;

			this.currentIndex=item;

		}

		this.previousIndex = this.currentIndex + (this.currentIndex>0 ? -1 : this.items.length-1);

		this.nextIndex = this.currentIndex + (this.currentIndex<this.items.length-1 ? 1 : 1-this.items.length);

		if(manual){ this.stop(); }

		this.fx.start(-this.currentIndex*this.size);

		if(this.onWalk){ this.onWalk(this.items[this.currentIndex],(this.handles?this.handles[this.currentIndex]:null)); }

		if(manual && this.autoPlay){ this.play(this.interval,'next',true); }

	},

	

	addHandleButtons: function(handles){

		for(var i=0;i<handles.length;i++){

			handles[i].addEvent(this.handle_event,this.walk.bind(this,[i,true]));

		}

	},



	addActionButtons: function(action,buttons){

		for(var i=0; i<buttons.length; i++){

			switch(action){

				case 'previous': buttons[i].addEvent(this.button_event,this.previous.bind(this,true)); break;

				case 'next': buttons[i].addEvent(this.button_event,this.next.bind(this,true)); break;

				case 'play': buttons[i].addEvent(this.button_event,this.play.bind(this,[this.interval,'next',false])); break;

				case 'playback': buttons[i].addEvent(this.button_event,this.play.bind(this,[this.interval,'previous',false])); break;

				case 'stop': buttons[i].addEvent(this.button_event,this.stop.bind(this)); break;

			}

			this.buttons[action].push(buttons[i]);

		}

	}

	

});