topic esri.request doubt for legend creation in ArcGIS JavaScript Maps SDK Questions

esri.request doubt for legend creation

VikramS — Wed, 09 Apr 2014 13:44:26 GMT

Hello all,

I am creating legend dynamically using below code . maplayers_config contains list of url's for the map service . In the response how do I know for which map service I am getting the response . Can anybody help me with this . Thanks

for (var mapcount = 0; mapcount <= maplayers_config.length - 1; mapcount++) {
   /*var url = maplayers_config[mapcount].url + '/legend';*/
   var url = 'http://utility.arcgis.com/sharing/tools/legend';
        url = url + '?soapUrl=' + escape(maplayers_config[mapcount].url);
      var handle = esriRequest({
        url: url,
   content: { f: "json" },
        callbackParamName: 'callback'
      });


     handle.then(
function(response,io) {
    console.log("Success: ", response);
console.log("Success: ", io);
a_test = response;
},
function(error) {
    console.log("Error: ", error);
});
}
   });

Re: esri.request doubt for legend creation

ScottGunn — Wed, 09 Apr 2014 16:18:15 GMT

Within your handle.then you should have access to the URL used in the request object:
Try this within your handle.then callback:

 handle.then(   function(response,io) {       console.log(handle.ioArgs.url);       .....

So, handle.ioArgs.url should give you the URL for the service. You could then write some code to compare the URL string with your config file, pulling out a layer name or whatever else you need...

Hello all,

I am creating legend dynamically using below code . maplayers_config contains list of url's for the map service . In the response how do I know for which map service I am getting the response . Can anybody help me with this . Thanks
handle.then(
function(response,io) {
    console.log("Success: ", response);
console.log("Success: ", io);
a_test = response;
},
function(error) {
    console.log("Error: ", error);
});
}
   });

Re: esri.request doubt for legend creation

VikramS — Wed, 09 Apr 2014 16:34:01 GMT

Thanks Scott . That solved the problem .