8 lines
11 KiB
JavaScript
8 lines
11 KiB
JavaScript
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/*
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Copyright (c) 2008, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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http://developer.yahoo.net/yui/license.txt
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version: 2.6.0
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*/
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YAHOO.util.Connect={_msxml_progid:["Microsoft.XMLHTTP","MSXML2.XMLHTTP.3.0","MSXML2.XMLHTTP"],_http_headers:{},_has_http_headers:false,_use_default_post_header:true,_default_post_header:"application/x-www-form-urlencoded; charset=UTF-8",_default_form_header:"application/x-www-form-urlencoded",_use_default_xhr_header:true,_default_xhr_header:"XMLHttpRequest",_has_default_headers:true,_default_headers:{},_isFormSubmit:false,_isFileUpload:false,_formNode:null,_sFormData:null,_poll:{},_timeOut:{},_polling_interval:50,_transaction_id:0,_submitElementValue:null,_hasSubmitListener:(function(){if(YAHOO.util.Event){YAHOO.util.Event.addListener(document,"click",function(B){var A=YAHOO.util.Event.getTarget(B);if(A.nodeName.toLowerCase()=="input"&&(A.type&&A.type.toLowerCase()=="submit")){YAHOO.util.Connect._submitElementValue=encodeURIComponent(A.name)+"="+encodeURIComponent(A.value);}});return true;}return false;})(),startEvent:new YAHOO.util.CustomEvent("start"),completeEvent:new YAHOO.util.CustomEvent("complete"),successEvent:new YAHOO.util.CustomEvent("success"),failureEvent:new YAHOO.util.CustomEvent("failure"),uploadEvent:new YAHOO.util.CustomEvent("upload"),abortEvent:new YAHOO.util.CustomEvent("abort"),_customEvents:{onStart:["startEvent","start"],onComplete:["completeEvent","complete"],onSuccess:["successEvent","success"],onFailure:["failureEvent","failure"],onUpload:["uploadEvent","upload"],onAbort:["abortEvent","abort"]},setProgId:function(A){this._msxml_progid.unshift(A);},setDefaultPostHeader:function(A){if(typeof A=="string"){this._default_post_header=A;}else{if(typeof A=="boolean"){this._use_default_post_header=A;}}},setDefaultXhrHeader:function(A){if(typeof A=="string"){this._default_xhr_header=A;}else{this._use_default_xhr_header=A;}},setPollingInterval:function(A){if(typeof A=="number"&&isFinite(A)){this._polling_interval=A;}},createXhrObject:function(F){var E,A;try{A=new XMLHttpRequest();E={conn:A,tId:F};}catch(D){for(var B=0;B<this._msxml_progid.length;++B){try{A=new ActiveXObject(this._msxml_progid[B]);E={conn:A,tId:F};break;}catch(C){}}}finally{return E;}},getConnectionObject:function(A){var C;var D=this._transaction_id;try{if(!A){C=this.createXhrObject(D);}else{C={};C.tId=D;C.isUpload=true;}if(C){this._transaction_id++;}}catch(B){}finally{return C;}},asyncRequest:function(F,C,E,A){var D=(this._isFileUpload)?this.getConnectionObject(true):this.getConnectionObject();var B=(E&&E.argument)?E.argument:null;if(!D){return null;}else{if(E&&E.customevents){this.initCustomEvents(D,E);}if(this._isFormSubmit){if(this._isFileUpload){this.uploadFile(D,E,C,A);return D;}if(F.toUpperCase()=="GET"){if(this._sFormData.length!==0){C+=((C.indexOf("?")==-1)?"?":"&")+this._sFormData;}}else{if(F.toUpperCase()=="POST"){A=A?this._sFormData+"&"+A:this._sFormData;}}}if(F.toUpperCase()=="GET"&&(E&&E.cache===false)){C+=((C.indexOf("?")==-1)?"?":"&")+"rnd="+new Date().valueOf().toString();}D.conn.open(F,C,true);if(this._use_default_xhr_header){if(!this._default_headers["X-Requested-With"]){this.initHeader("X-Requested-With",this._default_xhr_header,true);}}if((F.toUpperCase()==="POST"&&this._use_default_post_header)&&this._isFormSubmit===false){this.initHeader("Content-Type",this._default_post_header);}if(this._has_default_headers||this._has_http_headers){this.setHeader(D);}this.handleReadyState(D,E);D.conn.send(A||"");if(this._isFormSubmit===true){this.resetFormState();}this.startEvent.fire(D,B);if(D.startEvent){D.startEvent.fire(D,B);}return D;}},initCustomEvents:function(A,C){var B;for(B in C.customevents){if(this._customEvents[B][0]){A[this._customEvents[B][0]]=new YAHOO.util.CustomEvent(this._customEvents[B][1],(C.scope)?C.scope:null);A[this._customEvents[B][0]].subscribe(C.customevents[B]);}}},handleReadyState:function(C,D){var B=this;var A=(D&&D.argument)?D.argument:null;if(D&&D.timeout){this._timeOut[C.tId]=window.setTimeout(function(){B.abort(C,D,true);},D.timeout);}this._poll[C.tId]=window.setInterval(function(){if(C.conn&&C.conn.readyState===4){window.clearInterval(B._poll[C.tId]);delete B._poll[C.tId];if(D&&D.timeout){window.c
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}},setHeader:function(A){var B;if(this._has_default_headers){for(B in this._default_headers){if(YAHOO.lang.hasOwnProperty(this._default_headers,B)){A.conn.setRequestHeader(B,this._default_headers[B]);}}}if(this._has_http_headers){for(B in this._http_headers){if(YAHOO.lang.hasOwnProperty(this._http_headers,B)){A.conn.setRequestHeader(B,this._http_headers[B]);}}delete this._http_headers;this._http_headers={};this._has_http_headers=false;}},resetDefaultHeaders:function(){delete this._default_headers;this._default_headers={};this._has_default_headers=false;},setForm:function(M,H,C){var L,B,K,I,P,J=false,F=[],O=0,E,G,D,N,A;this.resetFormState();if(typeof M=="string"){L=(document.getElementById(M)||document.forms[M]);}else{if(typeof M=="object"){L=M;}else{return ;}}if(H){this.createFrame(C?C:null);this._isFormSubmit=true;this._isFileUpload=true;this._formNode=L;return ;}for(E=0,G=L.elements.length;E<G;++E){B=L.elements[E];P=B.disabled;K=B.name;if(!P&&K){K=encodeURIComponent(K)+"=";I=encodeURIComponent(B.value);switch(B.type){case"select-one":if(B.selectedIndex>-1){A=B.options[B.selectedIndex];F[O++]=K+encodeURIComponent((A.attributes.value&&A.attributes.value.specified)?A.value:A.text);}break;case"select-multiple":if(B.selectedIndex>-1){for(D=B.selectedIndex,N=B.options.length;D<N;++D){A=B.options[D];if(A.selected){F[O++]=K+encodeURIComponent((A.attributes.value&&A.attributes.value.specified)?A.value:A.text);}}}break;case"radio":case"checkbox":if(B.checked){F[O++]=K+I;}break;case"file":case undefined:case"reset":case"button":break;case"submit":if(J===false){if(this._hasSubmitListener&&this._submitElementValue){F[O++]=this._submitElementValue;}else{F[O++]=K+I;}J=true;}break;default:F[O++]=K+I;}}}this._isFormSubmit=true;this._sFormData=F.join("&");this.initHeader("Content-Type",this._default_form_header);return this._sFormData;},resetFormState:function(){this._isFormSubmit=false;this._isFileUpload=false;this._formNode=null;this._sFormData="";},createFrame:function(A){var B="yuiIO"+this._transaction_id;var C;if(YAHOO.env.ua.ie){C=document.createElement('<iframe id="'+B+'" name="'+B+'" />');if(typeof A=="boolean"){C.src="javascript:false";}}else{C=document.createElement("iframe");C.id=B;C.name=B;}C.style.position="absolute";C.style.top="-1000px";C.style.left="-1000px";document.body.appendChild(C);},appendPostData:function(A){var D=[],B=A.split("&"),C,E;for(C=0;C<B.length;C++){E=B[C].indexOf("=");if(E!=-1){D[C]=document.createElement("input");D[C].type="hidden";D[C].name=decodeURIComponent(B[C].substring(0,E));D[C].value=decodeURIComponent(B[C].substring(E+1));this._formNode.appendChild(D[C]);}}return D;},uploadFile:function(D,N,E,C){var I="yuiIO"+D.tId,J="multipart/form-data",L=document.getElementById(I),O=this,K=(N&&N.argument)?N.argument:null,M,H,B,G;var A={action:this._formNode.getAttribute("action"),method:this._formNode.getAttribute("method"),target:this._formNode.getAttribute("target")};this._formNode.setAttribute("action",E);this._formNode.setAttribute("method","POST");this._formNode.setAttribute("target",I);if(YAHOO.env.ua.ie){this._formNode.setAttribute("encoding",J);}else{this._formNode.setAttribute("enctype",J);}if(C){M=this.appendPostData(C);}this._formNode.submit();this.startEvent.fire(D,K);if(D.startEvent){D.startEvent.fire(D,K);}if(N&&N.timeout){this._timeOut[D.tId]=window.setTimeout(function(){O.abort(D,N,true);},N.timeout);}if(M&&M.length>0){for(H=0;H<M.length;H++){this._formNode.removeChild(M[H]);}}for(B in A){if(YAHOO.lang.hasOwnProperty(A,B)){if(A[B]){this._formNode.setAttribute(B,A[B]);}else{this._formNode.removeAttribute(B);}}}this.resetFormState();var F=function(){if(N&&N.timeout){window.clearTimeout(O._timeOut[D.tId]);delete O._timeOut[D.tId];}O.completeEvent.fire(D,K);if(D.completeEvent){D.completeEvent.fire(D,K);}G={tId:D.tId,argument:N.argument};try{G.responseText=L.contentWindow.document.body?L.contentWindow.document.body.innerHTML:L.contentWindow.document.documentElement.textContent;G.responseXML=L.contentWindow.document.XMLDocument?L.contentWindow.document.XMLDocument:L.contentWindow.document;}catch(
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