fx/fx.js

   1 function fx(el,op,ty,tz){
   2         var z = this;
   3         z.a = function(){z.el.style[ty]=z.now+z.o.unit};
   4         z.max = function(){return z.el["io"+ty]||z.el["natural"+tz]||z.el["scroll"+tz]||z.cur()};
   5         z.cur = function(){return parseInt($.getCSS(z.el,ty))};
   6         z.show = function(){z.ss("block");z.custom(0,z.max())};
   7         z.hide = function(){z.el.$o=$.getCSS(z.el,"overflow");z.el["io"+ty]=this.cur();z.custom(z.cur(),0)};
   8         z.ss = function(a){if(y.display!=a)y.display=a};
   9         z.toggle = function(){if(z.cur()>0)z.hide();else z.show()};
  10         z.modify = function(a){z.custom(z.cur(),z.cur()+a)};
  11         z.clear = function(){clearInterval(z.timer);z.timer=null};
  12         z.el = el.constructor==String?document.getElementById(el):el;
  13         var y = z.el.style;
  14         z.oo = y.overflow;
  15         y.overflow = "hidden";
  16         z.o = {
  17           unit: "px",
  18           duration: (op && op.duration) || 400,
  19           onComplete: (op && op.onComplete) || op
  20         };
  21         z.step = function(f,tt){
  22                 var t = (new Date).getTime();
  23                 var p = (t - z.s) / z.o.duration;
  24                 if (t >= z.o.duration+z.s) {
  25                         z.now = tt;
  26                         z.clear();
  27                         setTimeout(function(){
  28                                 y.overflow = z.oo;
  29                                 if(y.height=="0px"||y.width=="0px")z.ss("none");
  30                                 $.setAuto( z.el, "height" );
  31                                 $.setAuto( z.el, "width" );
  32                                 if(z.o.onComplete.constructor == Function){z.el.$_ = z.o.onComplete;z.el.$_();}
  33                         },13);
  34                 } else
  35                         z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (tt-f) + f;
  36                 z.a();
  37         };
  38         z.custom = function(f,t){
  39                 if(z.timer)return;this.now=f;z.a();z.io=z.cur();z.s=(new Date).getTime();
  40                 z.timer=setInterval(function(){z.step(f,t);}, 13);
  41         };
  42 }
  43 fx.fn = ["show","hide","toggle"];
  44 fx.ty = ["Height","Width","Left","Top"];
  45 for(var i in fx.ty){(function(){
  46         var c = fx.ty[i];
  47         fx[c] = function(a,b){
  48                 return new fx(a,b,c.toLowerCase(),c);};
  49 })()}
  50 fx.Opacity = function(a,b){
  51         var o = new fx(a,b,"opacity");
  52         o.cur = function(){return parseFloat(o.el.style.opacity);};
  53         o.a = function() {
  54                 var e = o.el.style;
  55                 if (o.now == 1) o.now = 0.9999;
  56                 if (window.ActiveXObject)
  57                         e.filter = "alpha(opacity=" + o.now*100 + ")";
  58                 e.opacity = o.now;
  59         };
  60         o.io = o.now = 1;
  61         o.a();
  62         return o;
  63 };
  64 fx.Resize = function(e,o){
  65         var z = this;
  66         var h = new fx.Height(e,o);
  67         if(o) o.onComplete = null;
  68         var w = new fx.Width(e,o);
  69         function c(a,b,c){return (!a||a==c||b==c);}
  70         for(var i in fx.fn){(function(){
  71                 var j = fx.fn[i];
  72                 z[j] = function(a,b){
  73                         if(c(a,b,"height")) h[j]();
  74                         if(c(a,b,"width")) w[j]();
  75                 };
  76         })()}
  77         z.modify = function(c,d){
  78                 h.modify(c);
  79                 w.modify(d);
  80         };
  81 };
  82 fx.FadeSize = function(e,o){
  83         var z = this;
  84         var p = new fx.Opacity(e,o);
  85         if(o) o.onComplete = null;
  86         var r = new fx.Resize(e,o);
  87         for(var i in fx.fn){(function(){
  88                 var j = fx.fn[i];
  89                 z[j] = function(a,b){p[j]();r[j](a,b);};
  90         })()}
  91 };
  92
  93 $.speed = function(s,o) {
  94   if ( o && o.constructor == Function ) o = { onComplete: o };
  95   o = o || {};
  96   var ss = {"crawl":1200,"xslow":850,"slow":600,"medium":400,"fast":200,"xfast":75,"normal":400};
  97   o.duration = typeof s == "number" ? s : ss[s] || 400;
  98   return o;
  99 };
 100
 101 $.fn.hide = function(a,o) {
 102   o = $.speed(a,o);
 103   return a ? this.each(function(){
 104     new fx.FadeSize(this,o).hide();
 105   }) : this._hide();
 106 };
 107
 108 $.fn.show = function(a,o) {
 109   o = $.speed(a,o);
 110   return a ? this.each(function(){
 111     new fx.FadeSize(this,o).show();
 112   }) : this._show();
 113 };
 114
 115 $.fn.slideDown = function(a,o) {
 116   o = $.speed(a,o);
 117   return this.each(function(){
 118     new fx.Resize(this,o).show("height");
 119   });
 120 };
 121
 122 $.fn.slideUp = function(a,o) {
 123   o = $.speed(a,o);
 124   return this.each(function(){
 125     new fx.Resize(this,o).hide("height");
 126   });
 127 };
 128
 129 $.fn.fadeOut = function(a,o) {
 130   o = $.speed(a,o);
 131   return a ? this.each(function(){
 132     new fx.Opacity(this,o).hide();
 133   }) : this._hide();
 134 };
 135
 136 $.fn.fadeIn = function(a,o) {
 137   o = $.speed(a,o);
 138   return a ? this.each(function(){
 139     new fx.Opacity(this,o).show();
 140   }) : this._show();
 141 };
 142
 143 $.fn.center = function(f) {
 144   return this.each(function(){
 145                 if ( !f && this.nodeName == 'IMG' &&
 146                                  !this.offsetWidth && !this.offsetHeight ) {
 147                         var self = this;
 148                         setTimeout(function(){
 149                                 $(self).center(true);
 150                         }, 13);
 151                 } else {
 152                         var s = this.style;
 153                         var p = this.parentNode;
 154                         if ( $.css(p,"position") == 'static' )
 155                                 p.style.position = 'relative';
 156                         s.position = 'absolute';
 157                         s.left = parseInt(($.css(p,"width") - $.css(this,"width"))/2) + "px";
 158                         s.top = parseInt(($.css(p,"height") - $.css(this,"height"))/2) + "px";
 159                 }
 160   });
 161 };
 162
 163 $.setAuto = function(e,p) {
 164   var a = e.style[p];
 165   var o = $.css(e,p);
 166   e.style[p] = 'auto';
 167   var n = $.css(e,p);
 168   if ( o != n )
 169     e.style[p] = a;
 170 };