fx/fx.js

   1 $.speed = function(s,o) {
   2         if ( o && o.constructor == Function ) { o = { onComplete: o }; }
   3         o = o || {};
   4         var ss = {"crawl":1200,"xslow":850,"slow":600,"medium":400,"fast":200,"xfast":75,"normal":400};
   5         o.duration = typeof s == "number" ? s : ss[s] || 400;
   6         return o;
   7 };
   8
   9 $.fn.hide = function(a,o) {
  10         o = $.speed(a,o);
  11         return a ? this.each(function(){
  12                 new $.fx.FadeSize(this,o).hide();
  13         }) : this._hide();
  14 };
  15
  16 $.fn.show = function(a,o) {
  17         o = $.speed(a,o);
  18         return a ? this.each(function(){
  19                 new $.fx.FadeSize(this,o).show();
  20         }) : this._show();
  21 };
  22
  23 $.fn.slideDown = function(a,o) {
  24         o = $.speed(a,o);
  25         return this.each(function(){
  26                 new $.fx.Resize(this,o).show("height");
  27         });
  28 };
  29
  30 $.fn.slideUp = function(a,o) {
  31         o = $.speed(a,o);
  32         return this.each(function(){
  33                 new $.fx.Resize(this,o).hide("height");
  34         });
  35 };
  36
  37 $.fn.fadeOut = function(a,o) {
  38         o = $.speed(a,o);
  39         return a ? this.each(function(){
  40                 new $.fx.Opacity(this,o,1).hide();
  41         }) : this._hide();
  42 };
  43
  44 $.fn.fadeIn = function(a,o) {
  45         o = $.speed(a,o);
  46         return a ? this.each(function(){
  47                 new $.fx.Opacity(this,o,1).show();
  48         }) : this._show();
  49 };
  50
  51 $.fn.fadeTo = function(a,ev,o) {
  52         o = $.speed(a,o);
  53         return a ? this.each(function(){
  54                 ef = new $.fx.Opacity(this,o);
  55                 ef.custom(ef.cur(),parseFloat(ev));
  56                 ef.show();
  57         }) : this._show();
  58 };
  59
  60 $.fn.center = function(f) {
  61         return this.each(function(){
  62                 if ( !f && this.nodeName == 'IMG' &&
  63                                  !this.offsetWidth && !this.offsetHeight ) {
  64                         var self = this;
  65                         setTimeout(function(){
  66                                 $(self).center(true);
  67                         }, 13);
  68                 } else {
  69                         var s = this.style;
  70                         var p = this.parentNode;
  71                         if ( $.css(p,"position") == 'static' ) {
  72                                 p.style.position = 'relative';
  73                         }
  74                         s.position = 'absolute';
  75                         s.left = parseInt(($.css(p,"width") - $.css(this,"width"))/2, 10) + "px";
  76                         s.top = parseInt(($.css(p,"height") - $.css(this,"height"))/2, 10) + "px";
  77                 }
  78   });
  79 };
  80
  81 $.setAuto = function(e,p) {
  82         var a = e.style[p];
  83         var o = $.css(e,p);
  84         e.style[p] = 'auto';
  85         var n = $.css(e,p);
  86         if ( o != n ) {
  87                 e.style[p] = a;
  88         }
  89 };
  90
  91 /*
  92  * I originally wrote fx() as a clone of moo.fx and in the process
  93  * of making it small in size the code became illegible to sane
  94  * people. You've been warned.
  95  */
  96
  97 $.fx = function(el,op,ty,tz){
  98         var z = this;
  99         z.el = el.constructor==String?document.getElementById(el):el;
 100         var y = z.el.style;
 101         z.a = function(){z.el.style[ty]=z.now+z.o.unit;};
 102         z.max = function(){return z.el["io"+ty]||z.el["natural"+tz]||z.el["scroll"+tz]||z.cur();};
 103         z.cur = function(){return parseInt($.getCSS(z.el,ty),10);};
 104         z.show = function(){z.ss("block");z.o.auto=true;z.custom(0,z.max());};
 105         z.hide = function(){z.el.$o=$.getCSS(z.el,"overflow");z.el["io"+ty]=this.cur();z.custom(z.cur(),0);};
 106         z.ss = function(a){if(y.display!=a){y.display=a;}};
 107         z.toggle = function(){if(z.cur()>0){z.hide();}else{z.show();}};
 108         z.modify = function(a){z.custom(z.cur(),z.cur()+a);};
 109         z.clear = function(){clearInterval(z.timer);z.timer=null;};
 110         z.oo = y.overflow;
 111         y.overflow = "hidden";
 112         z.o = {
 113                 unit: "px",
 114                 duration: (op && op.duration) || 400,
 115                 onComplete: (op && op.onComplete) || op
 116         };
 117         z.step = function(f,tt){
 118                 var t = (new Date()).getTime();
 119                 var p = (t - z.s) / z.o.duration;
 120                 if (t >= z.o.duration+z.s) {
 121                         z.now = tt;
 122                         z.clear();
 123                         setTimeout(function(){
 124                                 y.overflow = z.oo;
 125                                 if(y.height=="0px"||y.width=="0px"){z.ss("none");}
 126                                 if ( ty != "opacity" && z.o.auto ) {
 127                                         $.setAuto( z.el, "height" );
 128                                         $.setAuto( z.el, "width" );
 129                                 }
 130                                 if(z.o.onComplete.constructor == Function){z.el.$_ = z.o.onComplete;z.el.$_();}
 131                         },13);
 132                 } else {
 133                         z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (tt-f) + f;
 134                 }
 135                 z.a();
 136         };
 137         z.custom = function(f,t){
 138                 if(z.timer) {return null;}
 139                 this.now=f;z.a();z.io=z.cur();z.s=(new Date()).getTime();
 140                 z.timer=setInterval(function(){z.step(f,t);}, 13);
 141         };
 142 };
 143
 144 $.fx.fn = ["show","hide","toggle"];
 145 $.fx.ty = ["Height","Width","Left","Top"];
 146
 147 (function(){
 148         for(var $i in $.fx.ty){(function(){
 149                 var c = $.fx.ty[$i];
 150                 $.fx[c] = function(a,b){
 151                         return new $.fx(a,b,c.toLowerCase(),c);
 152                 };
 153         })();}
 154 })();
 155
 156 $.fx.Opacity = function(a,b,sv){
 157         var o = new $.fx(a,b,"opacity");
 158         o.cur = function(){return parseFloat(o.el.style.opacity);};
 159         o.a = function() {
 160                 var e = o.el.style;
 161                 if (o.now == 1) { o.now = 0.9999; }
 162                 if (window.ActiveXObject) {
 163                         e.filter = "alpha(opacity=" + o.now*100 + ")";
 164                 }
 165                 e.opacity = o.now;
 166         };
 167         o.io = o.now = (sv || o.cur());
 168         o.a();
 169         return o;
 170 };
 171 $.fx.Resize = function(e,o){
 172         var z = this;
 173         var h = new $.fx.Height(e,o);
 174         if(o) { o.onComplete = null; }
 175         var w = new $.fx.Width(e,o);
 176         function c(a,b,d){return (!a||a==c||b==d);}
 177         for(var i in $.fx.fn){(function(){
 178                 var j = $.fx.fn[i];
 179                 z[j] = function(a,b){
 180                         if(c(a,b,"height")) { h[j](); }
 181                         if(c(a,b,"width")) { w[j](); }
 182                 };
 183         })();}
 184         z.modify = function(c,d){
 185                 h.modify(c);
 186                 w.modify(d);
 187         };
 188 };
 189 $.fx.FadeSize = function(e,o){
 190         var z = this;
 191         var r = new $.fx.Resize(e,o);
 192         if(o) { o.onComplete = null; }
 193         var p = new $.fx.Opacity(e,o,1);
 194         for(var i in $.fx.fn){(function(){
 195                 var j = $.fx.fn[i];
 196                 z[j] = function(a,b){p[j]();r[j](a,b);};
 197         })();}
 198 };