/*
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).
11/01/2005
v1.0.31
*/

//text size modify, works with ems only
fx.Text = Class.create();
fx.Text.prototype = Object.extend(new fx.Base(), {
     initialize: function(el, options) {
             this.el = $(el);
             this.setOptions(options);
     },

     increase: function() {
             this.el.style.fontSize = this.now + "em";
     }
});

//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 ALA author 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.prefix+"="+value+expires+"; path=/";
     },

     readCookie: function() {
             var nameEQ = this.el+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 null;
     }
}

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();
     },

     custom: function(from, to){
             if (this.fx.now != to) {
                     this.setCookie(to);
                     this.fx.custom(from, to);
             }
     },

     resize: function(to){
             this.setCookie(this.el.offsetHeight+to);
             this.fx.custom(this.el.offsetHeight,this.el.offsetHeight+to);
     },

     hide: function(){
             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';
     },

     custom: function(from, to){
             if (this.fx.now != to) {
                     this.setCookie(to);
                     this.fx.custom(from, to);
             }
     }
});

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;
     }
}