/*
moo.fx pack, effects extensions for moo.fx.
by Valerio Proietti (http://mad4milk.net) MIT-style LICENSE
for more info visit (http://moofx.mad4milk.net).
Wednesday, November 16, 2005
v1.0.4
*/

//text size modify, now works with pixels too.
if ( typeof ( fx ) != "undefined" ) {


	fx.Text = Class.create();
	fx.Text.prototype = Object.extend(new fx.Base(), {
		initialize: function(el, options) {
			this.el = $(el);
			this.setOptions(options);
			if (!this.options.unit) this.options.unit = "em";
		},
	
		increase: function() {
			this.el.style.fontSize = this.now + this.options.unit;
		}
	});
	
	//composition effect, calls Width and Height alltogheter
	fx.Resize = Class.create();
	fx.Resize.prototype = {
		initialize: function(el, options) {
			this.h = new fx.Height(el, options); 
			if (options) options.onComplete = null;
			this.w = new fx.Width(el, options);
			this.el = $(el);
		},
	
		toggle: function(){
			this.h.toggle();
			this.w.toggle();
		},
	
		modify: function(hto, wto) {
			this.h.custom(this.el.offsetHeight, this.el.offsetHeight + hto);
			this.w.custom(this.el.offsetWidth, this.el.offsetWidth + wto);
		},
	
		custom: function(hto, wto) {
			this.h.custom(this.el.offsetHeight, hto);
			this.w.custom(this.el.offsetWidth, wto);
		},
	
		hide: function(){
			this.h.hide();
			this.w.hide();
		}
	}
	
	//composition effect, calls Opacity and (Width and/or Height) alltogheter
	fx.FadeSize = Class.create();
	fx.FadeSize.prototype = {
		initialize: function(el, options) {
			this.el = $(el);
			this.el.o = new fx.Opacity(el, options);
			if (options) options.onComplete = null;
			this.el.h = new fx.Height(el, options);
			this.el.w = new fx.Width(el, options);
		},
	
		toggle: function() {
			this.el.o.toggle();
			for (var i = 0; i < arguments.length; i++) {
				if (arguments[i] == 'height') this.el.h.toggle();
				if (arguments[i] == 'width') this.el.w.toggle();
			}
		},
	
		hide: function(){
			this.el.o.hide();
			for (var i = 0; i < arguments.length; i++) {
				if (arguments[i] == 'height') this.el.h.hide();
				if (arguments[i] == 'width') this.el.w.hide();
			}
		}
	}
	
	//intended to work with arrays.
	var Multi = new Object();
	Multi = function(){};
	Multi.prototype = {
		initialize: function(elements, options){
			this.options = options;
			this.el = this.getElementsFromArray(elements);
			for (i=0;i<this.el.length;i++){
				this.effect(this.el[i]);
			}
		},
	
		getElementsFromArray: function(array) {
			var elements = new Array();
			for (i=0;i<array.length;i++) { 
				elements.push($(array[i])); 
			}
			return elements;
		}
	}
	
	//Fadesize with arrays
	fx.MultiFadeSize = Class.create();
	fx.MultiFadeSize.prototype = Object.extend(new Multi(), {
		effect: function(el){
			el.fs = new fx.FadeSize(el, this.options);
		},
	
		showThisHideOpen: function(el, delay, mode){
			for (i=0;i<this.el.length;i++){
				if (this.el[i].offsetHeight > 0 && this.el[i] != el && this.el[i].h.timer == null && el.h.timer == null){
					this.el[i].fs.toggle(mode);
					setTimeout(function(){el.fs.toggle(mode);}.bind(el), delay);
				}
				
			}
		},
	
		hide: function(el, mode){
			el.fs.hide(mode);
		}
	});
	
	var Remember = new Object();
	Remember = function(){};
	Remember.prototype = {
		initialize: function(el, options){
			this.el = $(el);
			this.days = 365;
			this.options = options;
			this.effect();
			var cookie = this.readCookie();
			if (cookie) {
				this.fx.now = cookie;
				this.fx.increase();
			}
		},
	
		//cookie functions based on code by Peter-Paul Koch
		setCookie: function(value) {
			var date = new Date();
			date.setTime(date.getTime()+(this.days*24*60*60*1000));
			var expires = "; expires="+date.toGMTString();
			document.cookie = this.el+this.el.id+this.prefix+"="+value+expires+"; path=/";
		},
	
		readCookie: function() {
			var nameEQ = this.el+this.el.id+this.prefix + "=";
			var ca = document.cookie.split(';');
			for(var i=0;i < ca.length;i++) {
				var c = ca[i];
				while (c.charAt(0)==' ') c = c.substring(1,c.length);
				if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
			}
			return false;
		},
	
		custom: function(from, to){
			if (this.fx.now != to) {
				this.setCookie(to);
				this.fx.custom(from, to);
			}
		}
	}
	
	fx.RememberHeight = Class.create();
	fx.RememberHeight.prototype = Object.extend(new Remember(), {
		effect: function(){
			this.fx = new fx.Height(this.el, this.options);
			this.prefix = 'height';
		},
		
		toggle: function(){
			if (this.el.offsetHeight == 0) this.setCookie(this.el.scrollHeight);
			else this.setCookie(0);
			this.fx.toggle();
		},
		
		resize: function(to){
			this.setCookie(this.el.offsetHeight+to);
			this.fx.custom(this.el.offsetHeight,this.el.offsetHeight+to);
		},
	
		hide: function(){
			if (!this.readCookie()) {
				this.fx.hide();
			}
		}
	});
	
	fx.RememberText = Class.create();
	fx.RememberText.prototype = Object.extend(new Remember(), {
		effect: function(){
			this.fx = new fx.Text(this.el, this.options);
			this.prefix = 'text';
		}
	});
	
	
	//use to attach effects without using js code, just classnames and rel attributes.
	ParseClassNames = Class.create();
	ParseClassNames.prototype = {
		initialize: function(options){
			var babies = document.getElementsByTagName('*') || document.all;
			for (var i = 0; i < babies.length; i++) {
				var el = babies[i];
				//attach the effect, from the classNames;
				var effects = this.getEffects(el);
				for (var j = 0; j < effects.length; j++) {
					if (j == 1 && options) options.onComplete = null;
					el[effects[j]+"fx"] = new fx[effects[j]](el, options);
				}
				//execute methods, from rel
				if (el.rel) {
					el.crel = el.rel.split(' ');
					if (el.crel[0].indexOf("fx_") > -1) {
						var event = el.crel[0].replace('fx_', '');
						var tocompute = this.getEffects($(el.crel[1]));
						el["on"+event] = function(){
							for (var f = 0; f < tocompute.length; f++) {
								$(this.crel[1])[tocompute[f]+"fx"][this.crel[2] || "toggle"](this.crel[3] || null, this.crel[4] || null);
							}
						}
					}
				}
			}
		},
	
		getEffects: function(el){
			var effects = new Array();
			var css = el.className.split(' ');
			for (var i = 0; i < css.length; i++) {
				if (css[i].indexOf('fx_') > -1) {
					var effect = css[i].replace('fx_', '');
					effects.push(effect);
				}
			}
			return effects;
		}
	}
	
}