Mercurial > repos > jankanis > blast2html
view NCBI Blast reference example_files/remote_data_provider.js @ 76:7d0d46168fd5 py2.6
Format all numbers in a predictable way
author | Jan Kanis <jan.code@jankanis.nl> |
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date | Thu, 19 Jun 2014 14:07:00 +0200 |
parents | 344cd76f6fd2 |
children |
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//========================================================================================================= function RemoteDataProvider(sUrl) { this.iActiveRequests = 0; this.sUrl = sUrl; } //------------------------------------------------------------------------------------------------------------- RemoteDataProvider.prototype.GetHttpObj = function() { var oHttpObj = null; try { oHttpObj = new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) { try { oHttpObj = new ActiveXObject("Microsoft.XMLHTTP") } catch(oc) { oHttpObj = null; } } if (!oHttpObj && typeof XMLHttpRequest != "undefined") { oHttpObj = new XMLHttpRequest(); } return oHttpObj; } //------------------------------------------------------------------------------------------------------------- RemoteDataProvider.prototype.Request = function(sRequest, method) { var oHttpObj = this.GetHttpObj(); if (null == oHttpObj) return; method = (!method) ? "GET" : "POST"; var sURL = (method == "GET") ? this.sUrl + "?" + sRequest : this.sUrl; //alert(sURL); this.iActiveRequests++; var oThis = this; oHttpObj.onreadystatechange = function () { if (oHttpObj.readyState == 4 && oHttpObj.status == 200) { oThis.onSuccess(oHttpObj); oThis.iActiveRequests--; oThis.onStop(); } else if(oHttpObj.readyState == 4 && oHttpObj.status != 200) { oThis.onError(oHttpObj); oThis.iActiveRequests--; oThis.onStop(); } }; if (oHttpObj.readyState != 0) oHttpObj.abort(); this.onStart(); oHttpObj.open(method, sURL, true); // oHttpObj.setRequestHeader('Cache-Control', 'no-cache'); var params = (method == "GET") ? null : sRequest; if (params) { oHttpObj.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); oHttpObj.setRequestHeader("Content-length", params.length); oHttpObj.setRequestHeader("Connection", "close"); } oHttpObj.send(params); } //------------------------------------------------------------------------------------------------------------- RemoteDataProvider.prototype.onSuccess = function(obj) { alert(["success:", this.iActiveRequests, obj.responseText]); } //------------------------------------------------------------------------------------------------------------- RemoteDataProvider.prototype.onStart = function() { // alert(["start:", this.iActiveRequests]); } //------------------------------------------------------------------------------------------------------------- RemoteDataProvider.prototype.onStop = function() { // alert(["start:", this.iActiveRequests]); } //------------------------------------------------------------------------------------------------------------- RemoteDataProvider.prototype.onError = function(obj) { //alert(["error:", this.iActiveRequests, obj.status]); }