lib/dojo/_base/fx.js

   1 /*
   2         Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7
   8 if(!dojo._hasResource["dojo._base.fx"]){
   9 dojo._hasResource["dojo._base.fx"]=true;
  10 dojo.provide("dojo._base.fx");
  11 dojo.require("dojo._base.Color");
  12 dojo.require("dojo._base.connect");
  13 dojo.require("dojo._base.lang");
  14 dojo.require("dojo._base.html");
  15 (function(){
  16 var d=dojo;
  17 var _1=d._mixin;
  18 dojo._Line=function(_2,_3){
  19 this.start=_2;
  20 this.end=_3;
  21 };
  22 dojo._Line.prototype.getValue=function(n){
  23 return ((this.end-this.start)*n)+this.start;
  24 };
  25 dojo.Animation=function(_4){
  26 _1(this,_4);
  27 if(d.isArray(this.curve)){
  28 this.curve=new d._Line(this.curve[0],this.curve[1]);
  29 }
  30 };
  31 d._Animation=d.Animation;
  32 d.extend(dojo.Animation,{duration:350,repeat:0,rate:20,_percent:0,_startRepeatCount:0,_getStep:function(){
  33 var _5=this._percent,_6=this.easing;
  34 return _6?_6(_5):_5;
  35 },_fire:function(_7,_8){
  36 var a=_8||[];
  37 if(this[_7]){
  38 if(d.config.debugAtAllCosts){
  39 this[_7].apply(this,a);
  40 }else{
  41 try{
  42 this[_7].apply(this,a);
  43 }
  44 catch(e){
  45 console.error("exception in animation handler for:",_7);
  46 console.error(e);
  47 }
  48 }
  49 }
  50 return this;
  51 },play:function(_9,_a){
  52 var _b=this;
  53 if(_b._delayTimer){
  54 _b._clearTimer();
  55 }
  56 if(_a){
  57 _b._stopTimer();
  58 _b._active=_b._paused=false;
  59 _b._percent=0;
  60 }else{
  61 if(_b._active&&!_b._paused){
  62 return _b;
  63 }
  64 }
  65 _b._fire("beforeBegin",[_b.node]);
  66 var de=_9||_b.delay,_c=dojo.hitch(_b,"_play",_a);
  67 if(de>0){
  68 _b._delayTimer=setTimeout(_c,de);
  69 return _b;
  70 }
  71 _c();
  72 return _b;
  73 },_play:function(_d){
  74 var _e=this;
  75 if(_e._delayTimer){
  76 _e._clearTimer();
  77 }
  78 _e._startTime=new Date().valueOf();
  79 if(_e._paused){
  80 _e._startTime-=_e.duration*_e._percent;
  81 }
  82 _e._active=true;
  83 _e._paused=false;
  84 var _f=_e.curve.getValue(_e._getStep());
  85 if(!_e._percent){
  86 if(!_e._startRepeatCount){
  87 _e._startRepeatCount=_e.repeat;
  88 }
  89 _e._fire("onBegin",[_f]);
  90 }
  91 _e._fire("onPlay",[_f]);
  92 _e._cycle();
  93 return _e;
  94 },pause:function(){
  95 var _10=this;
  96 if(_10._delayTimer){
  97 _10._clearTimer();
  98 }
  99 _10._stopTimer();
 100 if(!_10._active){
 101 return _10;
 102 }
 103 _10._paused=true;
 104 _10._fire("onPause",[_10.curve.getValue(_10._getStep())]);
 105 return _10;
 106 },gotoPercent:function(_11,_12){
 107 var _13=this;
 108 _13._stopTimer();
 109 _13._active=_13._paused=true;
 110 _13._percent=_11;
 111 if(_12){
 112 _13.play();
 113 }
 114 return _13;
 115 },stop:function(_14){
 116 var _15=this;
 117 if(_15._delayTimer){
 118 _15._clearTimer();
 119 }
 120 if(!_15._timer){
 121 return _15;
 122 }
 123 _15._stopTimer();
 124 if(_14){
 125 _15._percent=1;
 126 }
 127 _15._fire("onStop",[_15.curve.getValue(_15._getStep())]);
 128 _15._active=_15._paused=false;
 129 return _15;
 130 },status:function(){
 131 if(this._active){
 132 return this._paused?"paused":"playing";
 133 }
 134 return "stopped";
 135 },_cycle:function(){
 136 var _16=this;
 137 if(_16._active){
 138 var _17=new Date().valueOf();
 139 var _18=(_17-_16._startTime)/(_16.duration);
 140 if(_18>=1){
 141 _18=1;
 142 }
 143 _16._percent=_18;
 144 if(_16.easing){
 145 _18=_16.easing(_18);
 146 }
 147 _16._fire("onAnimate",[_16.curve.getValue(_18)]);
 148 if(_16._percent<1){
 149 _16._startTimer();
 150 }else{
 151 _16._active=false;
 152 if(_16.repeat>0){
 153 _16.repeat--;
 154 _16.play(null,true);
 155 }else{
 156 if(_16.repeat==-1){
 157 _16.play(null,true);
 158 }else{
 159 if(_16._startRepeatCount){
 160 _16.repeat=_16._startRepeatCount;
 161 _16._startRepeatCount=0;
 162 }
 163 }
 164 }
 165 _16._percent=0;
 166 _16._fire("onEnd",[_16.node]);
 167 !_16.repeat&&_16._stopTimer();
 168 }
 169 }
 170 return _16;
 171 },_clearTimer:function(){
 172 clearTimeout(this._delayTimer);
 173 delete this._delayTimer;
 174 }});
 175 var ctr=0,_19=null,_1a={run:function(){
 176 }};
 177 d.extend(d.Animation,{_startTimer:function(){
 178 if(!this._timer){
 179 this._timer=d.connect(_1a,"run",this,"_cycle");
 180 ctr++;
 181 }
 182 if(!_19){
 183 _19=setInterval(d.hitch(_1a,"run"),this.rate);
 184 }
 185 },_stopTimer:function(){
 186 if(this._timer){
 187 d.disconnect(this._timer);
 188 this._timer=null;
 189 ctr--;
 190 }
 191 if(ctr<=0){
 192 clearInterval(_19);
 193 _19=null;
 194 ctr=0;
 195 }
 196 }});
 197 var _1b=d.isIE?function(_1c){
 198 var ns=_1c.style;
 199 if(!ns.width.length&&d.style(_1c,"width")=="auto"){
 200 ns.width="auto";
 201 }
 202 }:function(){
 203 };
 204 dojo._fade=function(_1d){
 205 _1d.node=d.byId(_1d.node);
 206 var _1e=_1({properties:{}},_1d),_1f=(_1e.properties.opacity={});
 207 _1f.start=!("start" in _1e)?function(){
 208 return +d.style(_1e.node,"opacity")||0;
 209 }:_1e.start;
 210 _1f.end=_1e.end;
 211 var _20=d.animateProperty(_1e);
 212 d.connect(_20,"beforeBegin",d.partial(_1b,_1e.node));
 213 return _20;
 214 };
 215 dojo.fadeIn=function(_21){
 216 return d._fade(_1({end:1},_21));
 217 };
 218 dojo.fadeOut=function(_22){
 219 return d._fade(_1({end:0},_22));
 220 };
 221 dojo._defaultEasing=function(n){
 222 return 0.5+((Math.sin((n+1.5)*Math.PI))/2);
 223 };
 224 var _23=function(_24){
 225 this._properties=_24;
 226 for(var p in _24){
 227 var _25=_24[p];
 228 if(_25.start instanceof d.Color){
 229 _25.tempColor=new d.Color();
 230 }
 231 }
 232 };
 233 _23.prototype.getValue=function(r){
 234 var ret={};
 235 for(var p in this._properties){
 236 var _26=this._properties[p],_27=_26.start;
 237 if(_27 instanceof d.Color){
 238 ret[p]=d.blendColors(_27,_26.end,r,_26.tempColor).toCss();
 239 }else{
 240 if(!d.isArray(_27)){
 241 ret[p]=((_26.end-_27)*r)+_27+(p!="opacity"?_26.units||"px":0);
 242 }
 243 }
 244 }
 245 return ret;
 246 };
 247 dojo.animateProperty=function(_28){
 248 var n=_28.node=d.byId(_28.node);
 249 if(!_28.easing){
 250 _28.easing=d._defaultEasing;
 251 }
 252 var _29=new d.Animation(_28);
 253 d.connect(_29,"beforeBegin",_29,function(){
 254 var pm={};
 255 for(var p in this.properties){
 256 if(p=="width"||p=="height"){
 257 this.node.display="block";
 258 }
 259 var _2a=this.properties[p];
 260 if(d.isFunction(_2a)){
 261 _2a=_2a(n);
 262 }
 263 _2a=pm[p]=_1({},(d.isObject(_2a)?_2a:{end:_2a}));
 264 if(d.isFunction(_2a.start)){
 265 _2a.start=_2a.start(n);
 266 }
 267 if(d.isFunction(_2a.end)){
 268 _2a.end=_2a.end(n);
 269 }
 270 var _2b=(p.toLowerCase().indexOf("color")>=0);
 271 function _2c(_2d,p){
 272 var v={height:_2d.offsetHeight,width:_2d.offsetWidth}[p];
 273 if(v!==undefined){
 274 return v;
 275 }
 276 v=d.style(_2d,p);
 277 return (p=="opacity")?+v:(_2b?v:parseFloat(v));
 278 };
 279 if(!("end" in _2a)){
 280 _2a.end=_2c(n,p);
 281 }else{
 282 if(!("start" in _2a)){
 283 _2a.start=_2c(n,p);
 284 }
 285 }
 286 if(_2b){
 287 _2a.start=new d.Color(_2a.start);
 288 _2a.end=new d.Color(_2a.end);
 289 }else{
 290 _2a.start=(p=="opacity")?+_2a.start:parseFloat(_2a.start);
 291 }
 292 }
 293 this.curve=new _23(pm);
 294 });
 295 d.connect(_29,"onAnimate",d.hitch(d,"style",_29.node));
 296 return _29;
 297 };
 298 dojo.anim=function(_2e,_2f,_30,_31,_32,_33){
 299 return d.animateProperty({node:_2e,duration:_30||d.Animation.prototype.duration,properties:_2f,easing:_31,onEnd:_32}).play(_33||0);
 300 };
 301 })();
 302 }