prototype.js

ZK 基础介绍 功能操作 模块 结合数据库操作

return parseFloat(_a2);
}
if(_a2=(_a0.getStyle("filter")||"").match(/alpha\(opacity=(.*)\)/)){
if(_a2[1]){
return parseFloat(_a2[1])/100;
}
}
return 1;
}
return _a2=="auto"?null:_a2;
},setStyle:function(_a4,_a5){
_a4=$(_a4);
for(var _a6 in _a5){
var _a7=_a5[_a6];
if(_a6=="opacity"){
if(_a7==1){
_a7=(/Gecko/.test(navigator.userAgent)&&!/Konqueror|Safari|KHTML/.test(navigator.userAgent))?0.999999:1;
if(/MSIE/.test(navigator.userAgent)&&!window.opera){
_a4.style.filter=_a4.getStyle("filter").replace(/alpha\([^\)]*\)/gi,"");
}
}else{
if(_a7===""){
if(/MSIE/.test(navigator.userAgent)&&!window.opera){
_a4.style.filter=_a4.getStyle("filter").replace(/alpha\([^\)]*\)/gi,"");
}
}else{
if(_a7<0.00001){
_a7=0;
}
if(/MSIE/.test(navigator.userAgent)&&!window.opera){
_a4.style.filter=_a4.getStyle("filter").replace(/alpha\([^\)]*\)/gi,"")+"alpha(opacity="+_a7*100+")";
}
}
}
}else{
if(["float","cssFloat"].include(_a6)){
_a6=(typeof _a4.style.styleFloat!="undefined")?"styleFloat":"cssFloat";
}
}
_a4.style[_a6.camelize()]=_a7;
}
return _a4;
},getDimensions:function(_a8){
_a8=$(_a8);
var _a9=$(_a8).getStyle("display");
if(_a9!="none"&&_a9!=null){
return {width:zk.offsetWidth(_a8),height:zk.offsetHeight(_a8)};
}
var els=_a8.style;
var _ab=els.visibility;
var _ac=els.position;
var _ad=els.display;
els.visibility="hidden";
els.position="absolute";
els.display="block";
var _ae=_a8.clientWidth;
var _af=_a8.clientHeight;
els.display=_ad;
els.position=_ac;
els.visibility=_ab;
return {width:_ae,height:_af};
},makePositioned:function(_b0){
_b0=$(_b0);
var pos=Element.getStyle(_b0,"position");
if(pos=="static"||!pos){
_b0._madePositioned=true;
_b0.style.position="relative";
if(window.opera){
_b0.style.top=0;
_b0.style.left=0;
}
}
return _b0;
},undoPositioned:function(_b2){
_b2=$(_b2);
if(_b2._madePositioned){
_b2._madePositioned=undefined;
_b2.style.position=_b2.style.top=_b2.style.left=_b2.style.bottom=_b2.style.right="";
}
return _b2;
},makeClipping:function(_b3){
_b3=$(_b3);
if(_b3._overflow){
return _b3;
}
_b3._overflow=_b3.style.overflow||"visible";
if(Element.getStyle(_b3,"overflow")!="hidden"){
_b3.style.overflow="hidden";
}
return _b3;
},undoClipping:function(_b4){
_b4=$(_b4);
if(!_b4._overflow){
return _b4;
}
_b4.style.overflow=_b4._overflow=="visible"?zk.ie?"auto":"":_b4._overflow;
_b4._overflow=undefined;
return _b4;
}};
Object.extend(Element.Methods,{childOf:Element.Methods.descendantOf});
Element._attributeTranslations={};
Element._attributeTranslations.names={colspan:"colSpan",rowspan:"rowSpan",valign:"vAlign",datetime:"dateTime",accesskey:"accessKey",tabindex:"tabIndex",enctype:"encType",maxlength:"maxLength",readonly:"readOnly",longdesc:"longDesc"};
Element._attributeTranslations.values={_getAttr:function(_b5,_b6){
return _b5.getAttribute(_b6,2);
},_flag:function(_b7,_b8){
return $(_b7).hasAttribute(_b8)?_b8:null;
},style:function(_b9){
return _b9.style.cssText.toLowerCase();
},title:function(_ba){
var _bb=_ba.getAttributeNode("title");
return _bb.specified?_bb.nodeValue:null;
}};
Object.extend(Element._attributeTranslations.values,{href:Element._attributeTranslations.values._getAttr,src:Element._attributeTranslations.values._getAttr,disabled:Element._attributeTranslations.values._flag,checked:Element._attributeTranslations.values._flag,readonly:Element._attributeTranslations.values._flag,multiple:Element._attributeTranslations.values._flag});
Object.extend(Element,Element.Methods);
var _nativeExtensions=false;
if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){
["","Form","Input","TextArea","Select"].each(function(tag){
var _bd="HTML"+tag+"Element";
if(window[_bd]){
return;
}
var _be=window[_bd]={};
_be.prototype=document.createElement(tag?tag.toLowerCase():"div").__proto__;
});
}
Element.addMethods=function(_bf){
Object.extend(Element.Methods,_bf||{});
function copy(_c0,_c1,_c2){
_c2=_c2||false;
var _c3=Element.extend.cache;
for(var _c4 in _c0){
var _c5=_c0[_c4];
if(!_c2||!(_c4 in _c1)){
_c1[_c4]=_c3.findOrStore(_c5);
}
}
}
if(typeof HTMLElement!="undefined"){
copy(Element.Methods,HTMLElement.prototype);
_nativeExtensions=true;
}
};
Element.ClassNames=Class.create();
Element.ClassNames.prototype={initialize:function(_c6){
this.element=$(_c6);
},_each:function(_c7){
this.element.className.split(/\s+/).select(function(_c8){
return _c8.length>0;
})._each(_c7);
},set:function(_c9){
this.element.className=_c9;
},add:function(_ca){
if(this.include(_ca)){
return;
}
this.set($A(this).concat(_ca).join(" "));
},remove:function(_cb){
if(!this.include(_cb)){
return;
}
this.set($A(this).without(_cb).join(" "));
},toString:function(){
return $A(this).join(" ");
}};
Object.extend(Element.ClassNames.prototype,Enumerable);
var Selector=Class.create();
Selector.prototype={initialize:function(_cc){
this.params={classNames:[]};
this.expression=_cc.toString().strip();
this.parseExpression();
this.compileMatcher();
},parseExpression:function(){
function abort(_cd){
throw "Parse error in selector: "+_cd;
}
if(this.expression==""){
abort("empty expression");
}
var _ce=this.params,_cf=this.expression,_d0,_d1,_d2,_d3;
while(_d0=_cf.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)){
_ce.attributes=_ce.attributes||[];
_ce.attributes.push({name:_d0[2],operator:_d0[3],value:_d0[4]||_d0[5]||""});
_cf=_d0[1];
}
if(_cf=="*"){
return this.params.wildcard=true;
}
while(_d0=_cf.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)){
_d1=_d0[1],_d2=_d0[2],_d3=_d0[3];
switch(_d1){
case "#":
_ce.id=_d2;
break;
case ".":
_ce.classNames.push(_d2);
break;
case "":
case undefined:
_ce.tagName=_d2.toUpperCase();
break;
default:
abort(_cf.inspect());
}
_cf=_d3;
}
if(_cf.length>0){
abort(_cf.inspect());
}
},buildMatchExpression:function(){
var _d4=this.params,_d5=[],_d6;
if(_d4.wildcard){
_d5.push("true");
}
if(_d6=_d4.id){
_d5.push("element.readAttribute(\"id\") == "+_d6.inspect());
}
if(_d6=_d4.tagName){
_d5.push("element.tagName.toUpperCase() == "+_d6.inspect());
}
if((_d6=_d4.classNames).length>0){
for(var i=0,_d8=_d6.length;i<_d8;i++){
_d5.push("element.hasClassName("+_d6[i].inspect()+")");
}
}
if(_d6=_d4.attributes){
_d6.each(function(_d9){
var _da="element.readAttribute("+_d9.name.inspect()+")";
var _db=function(_dc){
return _da+" && "+_da+".split("+_dc.inspect()+")";
};
switch(_d9.operator){
case "=":
_d5.push(_da+" == "+_d9.value.inspect());
break;
case "~=":
_d5.push(_db(" ")+".include("+_d9.value.inspect()+")");
break;
case "|=":
_d5.push(_db("-")+".first().toUpperCase() == "+_d9.value.toUpperCase().inspect());
break;
case "!=":
_d5.push(_da+" != "+_d9.value.inspect());
break;
case "":
case undefined:
_d5.push("element.hasAttribute("+_d9.name.inspect()+")");
break;
default:
throw "Unknown operator "+_d9.operator+" in selector";
}
});
}
return _d5.join(" && ");
},compileMatcher:function(){
this.match=new Function("element","if (!element.tagName) return false;       element = $(element);       return "+this.buildMatchExpression());
},findElements:function(_dd){
var _de;
if(_de=$(this.params.id)){
if(this.match(_de)){
if(!_dd||Element.childOf(_de,_dd)){
return [_de];
}
}
}
_dd=(_dd||document).getElementsByTagName(this.params.tagName||"*");
var _df=[];
for(var i=0,_e1=_dd.length;i<_e1;i++){
if(this.match(_de=_dd[i])){
_df.push(Element.extend(_de));
}
}
return _df;
},toString:function(){
return this.expression;
}};
Object.extend(Selector,{matchElements:function(_e2,_e3){
var _e4=new Selector(_e3);
return _e2.select(_e4.match.bind(_e4)).map(Element.extend);
},findElement:function(_e5,_e6,_e7){
if(typeof _e6=="number"){
_e7=_e6,_e6=false;
}
return Selector.matchElements(_e5,_e6||"*")[_e7||0];
}});
if(!window.Event){
var Event=new Object();
}
Object.extend(Event,{element:function(_e8){
return _e8.target||_e8.srcElement;
},isLeftClick:function(_e9){
return (((_e9.which)&&(_e9.which==1))||((_e9.button)&&(_e9.button==1)));
},pointerX:function(_ea){
return _ea.pageX||(_ea.clientX+(document.documentElement.scrollLeft||document.body.scrollLeft));
},pointerY:function(_eb){
return _eb.pageY||(_eb.clientY+(document.documentElement.scrollTop||document.body.scrollTop));
},stop:function(_ec){
if(_ec.preventDefault){
_ec.preventDefault();
_ec.stopPropagation();
}else{
_ec.returnValue=false;
_ec.cancelBubble=true;
}
},observers:false,_observeAndCache:function(_ed,_ee,_ef,_f0){
if(!this.observers){
this.observers=[];
}
if(_ed.addEventListener){
this.observers.push([_ed,_ee,_ef,_f0]);
_ed.addEventListener(_ee,_ef,_f0);
}else{
if(_ed.attachEvent){
this.observers.push([_ed,_ee,_ef,_f0]);
_ed.attachEvent("on"+_ee,_ef);
}
}
},unloadCache:function(){
if(!Event.observers){
return;
}
for(var i=0,_f2=Event.observers.length;i<_f2;i++){
Event.stopObserving.apply(this,Event.observers[i]);
Event.observers[i][0]=null;
}
Event.observers=false;
},observe:function(_f3,_f4,_f5,_f6){
_f3=$(_f3);
_f6=_f6||false;
if(_f4=="keypress"&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||_f3.attachEvent)){
_f4="keydown";
}
Event._observeAndCache(_f3,_f4,_f5,_f6);
},stopObserving:function(_f7,_f8,_f9,_fa){
_f7=$(_f7);
_fa=_fa||false;
if(_f8=="keypress"&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||_f7.detachEvent)){
_f8="keydown";
}
if(_f7.removeEventListener){
_f7.removeEventListener(_f8,_f9,_fa);
}else{
if(_f7.detachEvent){
try{
_f7.detachEvent("on"+_f8,_f9);
}
catch(e){
}
}
}
}});
if(navigator.appVersion.match(/\bMSIE\b/)){
Event.observe(window,"unload",Event.unloadCache,false);
}
var Position={includeScrollOffsets:false,prepare:function(){
this.deltaX=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;
this.deltaY=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0;
},realOffset:function(_fb){
var _fc=0,_fd=0,_fe=_fb.tagName;
do{
if(!window.opera||_fb.tagName=="BODY"||(_fe!="TR"&&_fe!="IMG"&&_fb.tagName=="DIV")){
_fc+=_fb.scrollTop||0;
_fd+=_fb.scrollLeft||0;
}
_fb=_fb.parentNode;
}while(_fb);
return [_fd,_fc];
},cumulativeOffset:function(_ff){
var _100=0,_101=0,_102=false,el=_ff.parentNode;
if(zk.gecko){
while(el&&el!=document.body){
var _104=Element.getStyle(el,"position");
if(_104=="relative"||_104=="absolute"){
_100+=$int(Element.getStyle(el,"border-top-width"));
_101+=$int(Element.getStyle(el,"border-left-width"));
}
el=el.parentNode;
}
}
do{
if(Element.getStyle(_ff,"position")=="fixed"){
_100+=zk.innerY()+_ff.offsetTop;
_101+=zk.innerX()+_ff.offsetLeft;
break;
}else{
if(window.opera){
if(_ff.nodeName=="SPAN"||_ff.nodeName=="INPUT"){
_102=true;
}else{
if(_ff.nodeName=="DIV"&&_102){
_102=false;
if(_ff.scrollTop!=0){
_100+=_ff.scrollTop||0;
}
}else{
_102=false;
}
}
}
_100+=_ff.offsetTop||0;
_101+=_ff.offsetLeft||0;
_ff=zk.gecko&&_ff!=document.body?Position.offsetParent(_ff):_ff.offsetParent;
}
}while(_ff);
return [_101,_100];
},positionedOffset:function(_105){
var _106=0,_107=0;
do{
_106+=_105.offsetTop||0;
_107+=_105.offsetLeft||0;
_105=zk.gecko&&_105!=document.body?Position.offsetParent(_105):_105.offsetParent;
if(_105){
if(_105.tagName=="BODY"){
break;
}
var p=Element.getStyle(_105,"position");
if(p=="relative"||p=="absolute"){
break;
}
}
}while(_105);
return [_107,_106];
},offsetParent:function(_109){
if(_109.offsetParent){
return _109.offsetParent;
}
if(_109==document.body){
return _109;
}
while((_109=_109.parentNode)&&_109!=document.body){
if(_109.style&&Element.getStyle(_109,"position")!="static"){
return _109;
}
}
return document.body;
},within:function(_10a,x,y){
if(this.includeScrollOffsets){
return this.withinScroll(_10a,x,y);
}
this.xcomp=x;
this.ycomp=y;
this.offset=this.cumulativeOffset(_10a);
return (y>=this.offset[1]&&y<this.offset[1]+zk.offsetHeight(_10a)&&x>=this.offset[0]&&x<this.offset[0]+zk.offsetWidth(_10a));
},withinScroll:function(_10d,x,y){
this.xcomp=x;
this.ycomp=y;
this.offset=zk.revisedOffset(_10d);
return (this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+zk.offsetHeight(_10d)&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+zk.offsetWidth(_10d));
},overlap:function(mode,_111){
if(!mode){
return 0;
}
if(mode=="vertical"){
return ((this.offset[1]+zk.offsetHeight(_111))-this.ycomp)/zk.offsetHeight(_111);
}
if(mode=="horizontal"){
return ((this.offset[0]+zk.offsetWidth(_111))-this.xcomp)/zk.offsetWidth(_111);
}
},page:function(_112){
var _113=0,_114=0;
var _115=_112;
do{
_113+=_115.offsetTop||0;
_114+=_115.offsetLeft||0;
if(_115.offsetParent==document.body){
if(Element.getStyle(_115,"position")=="absolute"){
break;
}
}
}while(_115=_115.offsetParent);
_115=_112;
do{
if(!window.opera||_115.tagName=="BODY"){
_113-=_115.scrollTop||0;
_114-=_115.scrollLeft||0;
}
}while(_115=_115.parentNode);
return [_114,_113];
},absolutize:function(_116){
_116=$(_116);
if(_116.style.position=="absolute"){
return;
}
Position.prepare();
var _117=Position.positionedOffset(_116);
var top=_117[1];
var left=_117[0];
_116._originalLeft=left-parseFloat(_116.style.left||0);
_116._originalTop=top-parseFloat(_116.style.top||0);
_116.style.position="absolute";
_116.style.top=top+"px";
_116.style.left=left+"px";
},relativize:function(_11a){
_11a=$(_11a);
if(_11a.style.position=="relative"){
return;
}
Position.prepare();
_11a.style.position="relative";
var top=parseFloat(_11a.style.top||0)-(_11a._originalTop||0);
var left=parseFloat(_11a.style.left||0)-(_11a._originalLeft||0);
_11a.style.top=top+"px";
_11a.style.left=left+"px";
}};
if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){
Position.cumulativeOffset=function(_11d){
var _11e=0,_11f=0,el=_11d.parentNode;
if(zk.safari){
while(el&&el!=document.body){
var _121=Element.getStyle(el,"position");
if(_121=="relative"||_121=="absolute"){
_11e+=$int(Element.getStyle(el,"border-top-width"));
_11f+=$int(Element.getStyle(el,"border-left-width"));
}
el=el.parentNode;
}
}
do{
_11e+=_11d.offsetTop||0;
_11f+=_11d.offsetLeft||0;
if(_11d.offsetParent==document.body){
if(Element.getStyle(_11d,"position")=="absolute"){
break;
}
}
_11d=_11d.offsetParent;
}while(_11d);
return [_11f,_11e];
};
}
Element.addMethods();
}