JS/Currentcondition.js

   1 function Currentcondition(command) {
   2
   3  var ajax=getAjax();
   4
   5  if(command == "request"){
   6         var position1 = document.getElementById("Position");
   7         var magnificant = document.getElementById("Magnificant");
   8         var brightness = document.getElementById("Brightness");
   9         var contrast = document.getElementById("Contrast");
  10         var forcus = document.getElementById("Forcus");
  11         var voltage = document.getElementById("Voltage");
  12         }else {
  13         var position1 = document.anchorsgetElementById("result");
  14         }
  15
  16                 if (ajax) {
  17                          try{
  18                                  ajax.onreadystatechange = getData;
  19                          }catch(e){
  20                                 position1.innerHTML="Onreadystate change error.";
  21                          }
  22
  23                          try{
  24                                 ajax.open("GET","//localhost:8000/cgi-bin/vemclient.rb?command="+encodeURIComponent(command),true);
  25                          }catch(e){
  26                                 position1.innerHTML = "ajax open error";
  27                          }
  28
  29
  30                         try {
  31                                  ajax.send(null);
  32                         }catch (e) {
  33                                 position1.innerHTML ="send error";
  34                         }
  35
  36                 }else {
  37                         position1.innerHTML = "you cannot use ajax....";
  38                 }
  39
  40                                 function getData() {
  41                                                 if (ajax.readyState==4) {
  42                                                                 if (ajax.status==200) {
  43                                                                                          console.log("Hello!");
  44                                                                                          var resultjson = ajax.responseText;
  45                                                                                          resultjson=JSON.parse(resultjson);
  46                                                                                                 console.log(typeof resultjson);
  47                                 /*
  48                                                                                                  for (key in resultjson) {
  49                                                                                                  console.log(key+":"+resultjson(key));
  50                                                                                         }
  51                                                                                         */
  52                                                                                                  //position1.innerHTML=resultjson;
  53                                                                                          position1.innerHTML = "x="+resultjson["Current_stageX"]+" y="+resultjson['Current_stageY']+" z="+resultjson['Current_stageZ']+" a="+resultjson['Current_stageA'];
  54                                                                                         magnificant.innerHTML = "Magnificant:"+resultjson['Magnificant'];
  55                                                                                         brightness.innerHTML = "Brightness:"+resultjson['Brightness'];
  56                                                                                         contrast.innerHTML = "Contrast:"+resultjson['Contrast'];
  57                                                                                         forcus.innerHTML = "Forcus:"+resultjson['Forcus'];
  58                                                                                         voltage.innerHTML = "Voltage:"+resultjson['Voltage'];
  59                                                                                         //   result.innerHTML = ajax.responseText;
  60                                                                          }else {
  61                                                                                  position1.innerHTML = "HTTP transmission....";
  62                                                                         }
  63                                                  }
  64                                 }
  65  }