94325388b653e5f47c3b32392e434540498d37a5
[jquery.git] / 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).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).show();
48         }) : this._show();
49 };
50
51 $.fn.center = function(f) {
52         return this.each(function(){
53                 if ( !f && this.nodeName == 'IMG' &&
54                                  !this.offsetWidth && !this.offsetHeight ) {
55                         var self = this;
56                         setTimeout(function(){
57                                 $(self).center(true);
58                         }, 13);
59                 } else {
60                         var s = this.style;
61                         var p = this.parentNode;
62                         if ( $.css(p,"position") == 'static' )
63                                 p.style.position = 'relative';
64                         s.position = 'absolute';
65                         s.left = parseInt(($.css(p,"width") - $.css(this,"width"))/2) + "px";
66                         s.top = parseInt(($.css(p,"height") - $.css(this,"height"))/2) + "px";
67                 }
68   });
69 };
70
71 $.setAuto = function(e,p) {
72         var a = e.style[p];
73         var o = $.css(e,p);
74         e.style[p] = 'auto';
75         var n = $.css(e,p);
76         if ( o != n )
77                 e.style[p] = a;
78 };
79
80 /*
81  * I originally wrote fx() as a clone of moo.fx and in the process
82  * of making it small in size the code became illegible to sane 
83  * people. You've been warned.
84  */
85
86 function fx(el,op,ty,tz){
87         var z = this;
88         z.a = function(){z.el.style[ty]=z.now+z.o.unit};
89         z.max = function(){return z.el["io"+ty]||z.el["natural"+tz]||z.el["scroll"+tz]||z.cur()};
90         z.cur = function(){return parseInt($.getCSS(z.el,ty))};
91         z.show = function(){z.ss("block");z.custom(0,z.max())};
92         z.hide = function(){z.el.$o=$.getCSS(z.el,"overflow");z.el["io"+ty]=this.cur();z.custom(z.cur(),0)};
93         z.ss = function(a){if(y.display!=a)y.display=a};
94         z.toggle = function(){if(z.cur()>0)z.hide();else z.show()};
95         z.modify = function(a){z.custom(z.cur(),z.cur()+a)};
96         z.clear = function(){clearInterval(z.timer);z.timer=null};
97         z.el = el.constructor==String?document.getElementById(el):el;
98         var y = z.el.style;
99         z.oo = y.overflow;
100         y.overflow = "hidden";
101         z.o = {
102                 unit: "px",
103                 duration: (op && op.duration) || 400,
104                 onComplete: (op && op.onComplete) || op
105         };
106         z.step = function(f,tt){
107                 var t = (new Date).getTime();
108                 var p = (t - z.s) / z.o.duration;
109                 if (t >= z.o.duration+z.s) {
110                         z.now = tt;
111                         z.clear();
112                         setTimeout(function(){
113                                 y.overflow = z.oo;
114                                 if(y.height=="0px"||y.width=="0px")z.ss("none");
115                                 $.setAuto( z.el, "height" );
116                                 $.setAuto( z.el, "width" );
117                                 if(z.o.onComplete.constructor == Function){z.el.$_ = z.o.onComplete;z.el.$_();}
118                         },13);
119                 } else
120                         z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (tt-f) + f;
121                 z.a();
122         };
123         z.custom = function(f,t){
124                 if(z.timer)return;this.now=f;z.a();z.io=z.cur();z.s=(new Date).getTime();
125                 z.timer=setInterval(function(){z.step(f,t);}, 13);
126         };
127 }
128 fx.fn = ["show","hide","toggle"];
129 fx.ty = ["Height","Width","Left","Top"];
130 for(var i in fx.ty){(function(){
131         var c = fx.ty[i];
132         fx[c] = function(a,b){
133                 return new fx(a,b,c.toLowerCase(),c);};
134 })()}
135 fx.Opacity = function(a,b){
136         var o = new fx(a,b,"opacity");
137         o.cur = function(){return parseFloat(o.el.style.opacity);};
138         o.a = function() {
139                 var e = o.el.style;
140                 if (o.now == 1) o.now = 0.9999;
141                 if (window.ActiveXObject)
142                         e.filter = "alpha(opacity=" + o.now*100 + ")";
143                 e.opacity = o.now;
144         };
145         o.io = o.now = 1;
146         o.a();
147         return o;
148 };
149 fx.Resize = function(e,o){
150         var z = this;
151         var h = new fx.Height(e,o);
152         if(o) o.onComplete = null;
153         var w = new fx.Width(e,o);
154         function c(a,b,c){return (!a||a==c||b==c);}
155         for(var i in fx.fn){(function(){
156                 var j = fx.fn[i];
157                 z[j] = function(a,b){
158                         if(c(a,b,"height")) h[j]();
159                         if(c(a,b,"width")) w[j]();
160                 };
161         })()}
162         z.modify = function(c,d){
163                 h.modify(c);
164                 w.modify(d);
165         };
166 };
167 fx.FadeSize = function(e,o){
168         var z = this;
169         var p = new fx.Opacity(e,o);
170         if(o) o.onComplete = null;
171         var r = new fx.Resize(e,o);
172         for(var i in fx.fn){(function(){
173                 var j = fx.fn[i];
174                 z[j] = function(a,b){p[j]();r[j](a,b);};
175         })()}
176 };