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📄 ext-base-min.js

📁 ext-2.3.0
💻 JS
📖 第 1 页 / 共 3 页
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{this.useDefaultXhrHeader=b;},setPollingInterval:function(i){if(typeof i=='number'&&isFinite(i)){this.pollInterval=i;}},createXhrObject:function(transactionId){var obj,http;try{http=new XMLHttpRequest();obj={conn:http,tId:transactionId};}catch(e){for(var i=0;i<this.activeX.length;++i){try{http=new ActiveXObject(this.activeX[i]);obj={conn:http,tId:transactionId};break;}catch(e){}}}finally{return obj;}},getConnectionObject:function(){var o;var tId=this.transactionId;try{o=this.createXhrObject(tId);if(o){this.transactionId++;}}catch(e){}finally{return o;}},asyncRequest:function(method,uri,callback,postData){var o=this.getConnectionObject();if(!o){return null;}else{o.conn.open(method,uri,true);if(this.useDefaultXhrHeader){if(!this.defaultHeaders['X-Requested-With']){this.initHeader('X-Requested-With',this.defaultXhrHeader,true);}}if(postData&&this.useDefaultHeader&&(!this.hasHeaders||!this.headers['Content-Type'])){this.initHeader('Content-Type',this.defaultPostHeader);}if(this.hasDefaultHeaders||this.hasHeaders){this.setHeader(o);}this.handleReadyState(o,callback);o.conn.send(postData||null);return o;}},handleReadyState:function(o,callback){var oConn=this;if(callback&&callback.timeout){this.timeout[o.tId]=window.setTimeout(function(){oConn.abort(o,callback,true);},callback.timeout);}this.poll[o.tId]=window.setInterval(function(){if(o.conn&&o.conn.readyState==4){window.clearInterval(oConn.poll[o.tId]);delete oConn.poll[o.tId];if(callback&&callback.timeout){window.clearTimeout(oConn.timeout[o.tId]);delete oConn.timeout[o.tId];}oConn.handleTransactionResponse(o,callback);}},this.pollInterval);},handleTransactionResponse:function(o,callback,isAbort){if(!callback){this.releaseObject(o);return;}var httpStatus,responseObject;try{if(o.conn.status!==undefined&&o.conn.status!=0){httpStatus=o.conn.status;}else{httpStatus=13030;}}catch(e){httpStatus=13030;}if((httpStatus>=200&&httpStatus<300)||(Ext.isIE&&httpStatus==1223)){responseObject=this.createResponseObject(o,callback.argument);if(callback.success){if(!callback.scope){callback.success(responseObject);}else{callback.success.apply(callback.scope,[responseObject]);}}}else{switch(httpStatus){case 12002:case 12029:case 12030:case 12031:case 12152:case 13030:responseObject=this.createExceptionObject(o.tId,callback.argument,(isAbort?isAbort:false));if(callback.failure){if(!callback.scope){callback.failure(responseObject);}else{callback.failure.apply(callback.scope,[responseObject]);}}break;default:responseObject=this.createResponseObject(o,callback.argument);if(callback.failure){if(!callback.scope){callback.failure(responseObject);}else{callback.failure.apply(callback.scope,[responseObject]);}}}}this.releaseObject(o);responseObject=null;},createResponseObject:function(o,callbackArg){var obj={};var headerObj={};try{var headerStr=o.conn.getAllResponseHeaders();var header=headerStr.split('\n');for(var i=0;i<header.length;i++){var delimitPos=header[i].indexOf(':');if(delimitPos!=-1){headerObj[header[i].substring(0,delimitPos)]=header[i].substring(delimitPos+2);}}}catch(e){}obj.tId=o.tId;obj.status=o.conn.status;obj.statusText=o.conn.statusText;obj.getResponseHeader=function(header){return headerObj[header];};obj.getAllResponseHeaders=function(){return headerStr};obj.responseText=o.conn.responseText;obj.responseXML=o.conn.responseXML;if(typeof callbackArg!==undefined){obj.argument=callbackArg;}return obj;},createExceptionObject:function(tId,callbackArg,isAbort){var COMM_CODE=0;var COMM_ERROR='communication failure';var ABORT_CODE=-1;var ABORT_ERROR='transaction aborted';var obj={};obj.tId=tId;if(isAbort){obj.status=ABORT_CODE;obj.statusText=ABORT_ERROR;}else{obj.status=COMM_CODE;obj.statusText=COMM_ERROR;}if(callbackArg){obj.argument=callbackArg;}return obj;},initHeader:function(label,value,isDefault){var headerObj=(isDefault)?this.defaultHeaders:this.headers;if(headerObj[label]===undefined){headerObj[label]=value;}else{headerObj[label]=value+","+headerObj[label];}if(isDefault){this.hasDefaultHeaders=true;}else{this.hasHeaders=true;}},setHeader:function(o){if(this.hasDefaultHeaders){for(var prop in this.defaultHeaders){if(this.defaultHeaders.hasOwnProperty(prop)){o.conn.setRequestHeader(prop,this.defaultHeaders[prop]);}}}if(this.hasHeaders){for(var prop in this.headers){if(this.headers.hasOwnProperty(prop)){o.conn.setRequestHeader(prop,this.headers[prop]);}}this.headers={};this.hasHeaders=false;}},resetDefaultHeaders:function(){delete this.defaultHeaders;this.defaultHeaders={};this.hasDefaultHeaders=false;},abort:function(o,callback,isTimeout){if(this.isCallInProgress(o)){o.conn.abort();window.clearInterval(this.poll[o.tId]);delete this.poll[o.tId];if(isTimeout){delete this.timeout[o.tId];}this.handleTransactionResponse(o,callback,true);return true;}else{return false;}},isCallInProgress:function(o){if(o.conn){return o.conn.readyState!=4&&o.conn.readyState!=0;}else{return false;}},releaseObject:function(o){o.conn=null;o=null;},activeX:['MSXML2.XMLHTTP.3.0','MSXML2.XMLHTTP','Microsoft.XMLHTTP']};Ext.lib.Region=function(t,r,b,l){this.top=t;this[1]=t;this.right=r;this.bottom=b;this.left=l;this[0]=l;};Ext.lib.Region.prototype={contains:function(region){return(region.left>=this.left&&region.right<=this.right&&region.top>=this.top&&region.bottom<=this.bottom);},getArea:function(){return((this.bottom-this.top)*(this.right-this.left));},intersect:function(region){var t=Math.max(this.top,region.top);var r=Math.min(this.right,region.right);var b=Math.min(this.bottom,region.bottom);var l=Math.max(this.left,region.left);if(b>=t&&r>=l){return new Ext.lib.Region(t,r,b,l);}else{return null;}},union:function(region){var t=Math.min(this.top,region.top);var r=Math.max(this.right,region.right);var b=Math.max(this.bottom,region.bottom);var l=Math.min(this.left,region.left);return new Ext.lib.Region(t,r,b,l);},constrainTo:function(r){this.top=this.top.constrain(r.top,r.bottom);this.bottom=this.bottom.constrain(r.top,r.bottom);this.left=this.left.constrain(r.left,r.right);this.right=this.right.constrain(r.left,r.right);return this;},adjust:function(t,l,b,r){this.top+=t;this.left+=l;this.right+=r;this.bottom+=b;return this;}};Ext.lib.Region.getRegion=function(el){var p=Ext.lib.Dom.getXY(el);var t=p[1];var r=p[0]+el.offsetWidth;var b=p[1]+el.offsetHeight;var l=p[0];return new Ext.lib.Region(t,r,b,l);};Ext.lib.Point=function(x,y){if(Ext.isArray(x)){y=x[1];x=x[0];}this.x=this.right=this.left=this[0]=x;this.y=this.top=this.bottom=this[1]=y;};Ext.lib.Point.prototype=new Ext.lib.Region();Ext.lib.Anim={scroll:function(el,args,duration,easing,cb,scope){return this.run(el,args,duration,easing,cb,scope,Ext.lib.Scroll);},motion:function(el,args,duration,easing,cb,scope){return this.run(el,args,duration,easing,cb,scope,Ext.lib.Motion);},color:function(el,args,duration,easing,cb,scope){return this.run(el,args,duration,easing,cb,scope,Ext.lib.ColorAnim);},run:function(el,args,duration,easing,cb,scope,type){type=type||Ext.lib.AnimBase;if(typeof easing=="string"){easing=Ext.lib.Easing[easing];}var anim=new type(el,args,duration,easing);anim.animateX(function(){Ext.callback(cb,scope);});return anim;}};function fly(el){if(!libFlyweight){libFlyweight=new Ext.Element.Flyweight();}libFlyweight.dom=el;return libFlyweight;}if(Ext.isIE){function fnCleanUp(){var p=Function.prototype;delete p.createSequence;delete p.defer;delete p.createDelegate;delete p.createCallback;delete p.createInterceptor;window.detachEvent("onunload",fnCleanUp);}window.attachEvent("onunload",fnCleanUp);}Ext.lib.AnimBase=function(el,attributes,duration,method){if(el){this.init(el,attributes,duration,method);}};Ext.lib.AnimBase.prototype={toString:function(){var el=this.getEl();var id=el.id||el.tagName;return("Anim "+id);},patterns:{noNegatives:/width|height|opacity|padding/i,offsetAttribute:/^((width|height)|(top|left))$/,defaultUnit:/width|height|top$|bottom$|left$|right$/i,offsetUnit:/\d+(em|%|en|ex|pt|in|cm|mm|pc)$/i},doMethod:function(attr,start,end){return this.method(this.currentFrame,start,end-start,this.totalFrames);},setAttribute:function(attr,val,unit){if(this.patterns.noNegatives.test(attr)){val=(val>0)?val:0;}Ext.fly(this.getEl(),'_anim').setStyle(attr,val+unit);},getAttribute:function(attr){var el=this.getEl();var val=fly(el).getStyle(attr);if(val!=='auto'&&!this.patterns.offsetUnit.test(val)){return parseFloat(val);}var a=this.patterns.offsetAttribute.exec(attr)||[];var pos=!!(a[3]);var box=!!(a[2]);if(box||(fly(el).getStyle('position')=='absolute'&&pos)){val=el['offset'+a[0].charAt(0).toUpperCase()+a[0].substr(1)];}else{val=0;}

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