effects.js

ZK 基础介绍 功能操作 模块 结合数据库操作

//script.aculo.us 1.7.0
//(c) 2005-2006 Thomas Fuchs
//(c) 2005-2006 Sammi Williams
if(!window.z_effects_js){
z_effects_js=true;
String.prototype.parseColor=function(){
var _1="#";
if(this.slice(0,4)=="rgb("){
var _2=this.slice(4,this.length-1).split(",");
var i=0;
do{
_1+=parseInt(_2[i]).toColorPart();
}while(++i<3);
}else{
if(this.slice(0,1)=="#"){
if(this.length==4){
for(var i=1;i<4;i++){
_1+=(this.charAt(i)+this.charAt(i)).toLowerCase();
}
}
if(this.length==7){
_1=this.toLowerCase();
}
}
}
return (_1.length==7?_1:(arguments[0]||this));
};
Element.getOpacity=function(_4){
return $(_4).getStyle("opacity");
};
Element.setOpacity=function(_5,_6){
return $(_5).setStyle({opacity:_6});
};
Element.getInlineOpacity=function(_7){
return $(_7).style.opacity||"";
};
Element.forceRerendering=function(_8){
try{
_8=$(_8);
var n=document.createTextNode(" ");
_8.appendChild(n);
_8.removeChild(n);
}
catch(e){
}
};
Array.prototype.call=function(){
var _a=arguments;
this.each(function(f){
f.apply(this,_a);
});
};
var Effect={_elNotExistErr:{name:"ElementDoesNotExistError",message:"The specified DOM element does not exist, but is required for this effect to operate"}};
Effect.Transitions={sinoidal:function(_c){
return (-Math.cos(_c*Math.PI)/2)+0.5;
},flicker:function(_d){
return ((-Math.cos(_d*Math.PI)/4)+0.75)+Math.random()/4;
},pulse:function(_e,_f){
_f=_f||5;
return (Math.round((_e%(1/_f))*_f)==0?((_e*_f*2)-Math.floor(_e*_f*2)):1-((_e*_f*2)-Math.floor(_e*_f*2)));
},none:function(pos){
return 0;
},full:function(pos){
return 1;
}};
Effect.ScopedQueue=Class.create();
Object.extend(Object.extend(Effect.ScopedQueue.prototype,Enumerable),{initialize:function(){
this.effects=[];
this.interval=null;
},_each:function(_12){
this.effects._each(_12);
},add:function(_13){
var _14=new Date().getTime();
var _15=(typeof _13.options.queue=="string")?_13.options.queue:_13.options.queue.position;
switch(_15){
case "front":
this.effects.findAll(function(e){
return e.state=="idle";
}).each(function(e){
e.startOn+=_13.finishOn;
e.finishOn+=_13.finishOn;
});
break;
case "with-last":
_14=this.effects.pluck("startOn").max()||_14;
break;
case "end":
_14=this.effects.pluck("finishOn").max()||_14;
break;
}
_13.startOn+=_14;
_13.finishOn+=_14;
if(!_13.options.queue.limit||(this.effects.length<_13.options.queue.limit)){
this.effects.push(_13);
}
if(!this.interval){
this.interval=setInterval(this.loop.bind(this),15);
}
},remove:function(_18){
this.effects=this.effects.reject(function(e){
return e==_18;
});
if(this.effects.length==0){
clearInterval(this.interval);
this.interval=null;
}
},loop:function(){
var _1a=new Date().getTime();
for(var i=0,len=this.effects.length;i<len;i++){
if(this.effects[i]){
this.effects[i].loop(_1a);
}
}
}});
Effect.Queues={instances:$H(),get:function(_1d){
if(typeof _1d!="string"){
return _1d;
}
if(!this.instances[_1d]){
this.instances[_1d]=new Effect.ScopedQueue();
}
return this.instances[_1d];
}};
Effect.Queue=Effect.Queues.get("global");
Effect.DefaultOptions={transition:Effect.Transitions.sinoidal,duration:1,fps:60,sync:false,from:0,to:1,delay:0,queue:"parallel"};
Effect.Base=function(){
};
Effect.Base.prototype={position:null,start:function(_1e){
this.options=Object.extend(Object.extend({},Effect.DefaultOptions),_1e||{});
this.currentFrame=0;
this.state="idle";
this.startOn=this.options.delay*1000;
this.finishOn=this.startOn+(this.options.duration*1000);
this.event("beforeStart");
if(!this.options.sync){
Effect.Queues.get(typeof this.options.queue=="string"?"global":this.options.queue.scope).add(this);
}
},loop:function(_1f){
if(_1f>=this.startOn){
if(_1f>=this.finishOn){
this.render(1);
this.cancel();
this.event("beforeFinish");
if(this.finish){
this.finish();
}
this.event("afterFinish");
return;
}
var pos=(_1f-this.startOn)/(this.finishOn-this.startOn);
var _21=Math.round(pos*this.options.fps*this.options.duration);
if(_21>this.currentFrame){
this.render(pos);
this.currentFrame=_21;
}
}
},render:function(pos){
if(this.state=="idle"){
this.state="running";
this.event("beforeSetup");
if(this.setup){
this.setup();
}
this.event("afterSetup");
}
if(this.state=="running"){
if(this.options.transition){
pos=this.options.transition(pos);
}
pos*=(this.options.to-this.options.from);
pos+=this.options.from;
this.position=pos;
this.event("beforeUpdate");
if(this.update){
this.update(pos);
}
this.event("afterUpdate");
}
},cancel:function(){
if(!this.options.sync){
Effect.Queues.get(typeof this.options.queue=="string"?"global":this.options.queue.scope).remove(this);
}
this.state="finished";
},event:function(_23){
if(this.options[_23+"Internal"]){
this.options[_23+"Internal"](this);
}
if(this.options[_23]){
this.options[_23](this);
}
},inspect:function(){
var _24=$H();
for(property in this){
if(typeof this[property]!="function"){
_24[property]=this[property];
}
}
return "#<Effect:"+_24.inspect()+",options:"+$H(this.options).inspect()+">";
}};
Effect.Parallel=Class.create();
Object.extend(Object.extend(Effect.Parallel.prototype,Effect.Base.prototype),{initialize:function(_25){
this.effects=_25||[];
this.start(arguments[1]);
},update:function(_26){
this.effects.invoke("render",_26);
},finish:function(_27){
this.effects.each(function(_28){
_28.render(1);
_28.cancel();
_28.event("beforeFinish");
if(_28.finish){
_28.finish(_27);
}
_28.event("afterFinish");
});
}});
Effect.Event=Class.create();
Object.extend(Object.extend(Effect.Event.prototype,Effect.Base.prototype),{initialize:function(){
var _29=Object.extend({duration:0},arguments[0]||{});
this.start(_29);
},update:Prototype.emptyFunction});
Effect.Opacity=Class.create();
Object.extend(Object.extend(Effect.Opacity.prototype,Effect.Base.prototype),{initialize:function(_2a){
this.element=$(_2a);
if(!this.element){
throw (Effect._elNotExistErr);
}
if(/MSIE/.test(navigator.userAgent)&&!window.opera&&(!this.element.currentStyle.hasLayout)){
this.element.setStyle({zoom:1});
}
var _2b=Object.extend({from:this.element.getOpacity()||0,to:1},arguments[1]||{});
this.start(_2b);
},update:function(_2c){
this.element.setOpacity(_2c);
}});
Effect.Move=Class.create();
Object.extend(Object.extend(Effect.Move.prototype,Effect.Base.prototype),{initialize:function(_2d){
this.element=$(_2d);
if(!this.element){
throw (Effect._elNotExistErr);
}
var _2e=Object.extend({x:0,y:0,mode:"relative"},arguments[1]||{});
this.start(_2e);
},setup:function(){
this.element.makePositioned();
this.originalLeft=parseFloat(this.element.getStyle("left")||"0");
this.originalTop=parseFloat(this.element.getStyle("top")||"0");
if(this.options.mode=="absolute"){
this.options.x=this.options.x-this.originalLeft;
this.options.y=this.options.y-this.originalTop;
}
},update:function(_2f){
this.element.setStyle({left:Math.round(this.options.x*_2f+this.originalLeft)+"px",top:Math.round(this.options.y*_2f+this.originalTop)+"px"});
}});