/************************************************
*   mooquee v.1.1                               *
*   Http: WwW.developer.ps/moo/mooquee          *
*   Dirar Abu Kteish dirar@zanstudio.com        *
*   2009-01-30                                  *
*************************************************
*   Extend By www.Sod.hu                        *
*   new directions: top, bottom                 *
*   2008-04-30                                  *
/***********************************************/
/* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details. */

var mooquee = new Class({
	initialize: function(element, options) {
		this.setOptions({
			marHeight: 40,
			marWidth: 550,
			steps: 1,
			speed: 40,
			direction: 'bottom',
			pauseOnOver: true,
			pauseOnContainerOver: true
			}, options);
		this.timer = null;
		this.textElement = null;
		this.mooqueeElement = element;
		this.constructMooquee();
	},
	constructMooquee: function() {
		var el = this.mooqueeElement;
		el.setStyles({
			'width' : this.options.marWidth
			,'height' : this.options.marHeight
		});
			this.textElement = new Element('div',{
			'class' : 'mooquee-text'
			,'id' : 'mooquee-text'
		}).set('html', el.innerHTML);
		el.set('html', '');//clear mooqueeElement inner html
		this.textElement.inject(el);
		//this.textElement = $('mooquee-text');
		if(!this.setStartPos()){return;}
		if(this.options.pauseOnOver){this.addMouseEvents();}
		//start marquee
		this.timer = this.startMooquee.delay(this.options.speed, this);
	},
	setStartPos: function(){
			/* sod.hu Ext */
		if( this.options.direction == 'bottom' )
			this.textElement.setStyle('bottom', ( -this.options.steps * this.textElement.getCoordinates().height.toInt()));
		else if( this.options.direction == 'top' )
			this.textElement.setStyle( 'bottom', this.options.marHeight );
		else if( this.options.direction == 'left' )
			this.textElement.setStyle('left', ( -this.options.steps * this.textElement.getCoordinates().width.toInt()));
		else if( this.options.direction == 'right' )
			this.textElement.setStyle( 'left', this.options.marWidth );
		else{
			alert( 'direction config error: ' + this.options.direction );
			return false;
		}
		return true;
	},
	addMouseEvents : function(){
		if(!this.options.pauseOnContainerOver){
			this.textElement.addEvents({
				'mouseenter' : function(me){
					this.clearTimer();
				}.bind(this),
				'mouseleave' : function(me){
					this.timer = this.startMooquee.delay(this.options.speed, this);
				}.bind(this)
			});
		}else{
			this.mooqueeElement.addEvents({
				'mouseenter' : function(me){
					this.clearTimer();
				}.bind(this),
				'mouseleave' : function(me){
					this.timer = this.startMooquee.delay(this.options.speed, this);
				}.bind(this)
			});
		}
	},
	startMooquee: function(){
		/* sod.hu Ext */
		if(this.options.direction == 'bottom' || this.options.direction == 'top')
			var pos = this.textElement.getStyle('bottom').toInt();
		else if(this.options.direction == 'left' || this.options.direction == 'right')
			var pos = this.textElement.getStyle('left').toInt();
		if(this.options.direction == 'bottom')
			this.textElement.setStyle( 'bottom', ( pos + -this.options.steps ) + 'px' );
		else if(this.options.direction == 'top')
			this.textElement.setStyle( 'bottom', ( pos + this.options.steps ) + 'px' );
		else if(this.options.direction == 'left'){
			this.textElement.setStyle( 'left', ( pos + -this.options.steps ) + 'px' );
		}
		else if(this.options.direction == 'right')
			this.textElement.setStyle( 'left', ( pos + this.options.steps ) + 'px' );
		/* sod.hu Ext end */
		this.checkEnd(pos);
		this.timer = this.startMooquee.delay(this.options.speed, this);
	},
	resumeMooquee: function(){
		this.stopMooquee();
		if(this.options.pauseOnOver){this.addMouseEvents();}
		this.timer = this.startMooquee.delay(this.options.speed, this);
	},
	stopMooquee: function(){
		this.clearTimer();
		this.textElement.removeEvents();
	},
	clearTimer: function(){
		$clear(this.timer);
	},
	checkEnd: function(pos){
		/* sod.hu Ext */
		if(this.options.direction == 'bottom'){
			if(pos < -1 * (this.textElement.getCoordinates().height.toInt()))
				this.textElement.setStyle('bottom', this.options.marHeight);
		} else if(this.options.direction == 'top'){
			if(pos > this.options.marHeight.toInt())
				this.textElement.setStyle('bottom', -this.options.steps * (this.textElement.getCoordinates().height.toInt()) );
		} else if(this.options.direction == 'left'){
			if(pos < -1 * (this.textElement.getCoordinates().width.toInt()))
				this.textElement.setStyle('left', this.options.marWidth);
		} else if(this.options.direction == 'right'){
			if(pos > this.options.marWidth.toInt())
				this.textElement.setStyle('left', -this.options.steps * (this.textElement.getCoordinates().width.toInt()) );
		}
			/* sod.hu Ext end */
	},
	setDirection: function(dir){
		this.options.direction = dir;
		this.setStartPos();
	}
});
mooquee.implement(new Options);