inlineGeoJSON

inlineGeoJSON.js

define([
  "cdf/AddIn",
  "cdf/Dashboard.Clean",
  "cdf/lib/jquery",
  "amd!cdf/lib/underscore"
], function(AddIn, Dashboard, $, _) {
  
  "use strict";
  
  var inlineGeoJSON = {
    name: "inlineGeoJSON",
    label: "Inline GeoJSON shape resolver",
    defaults: {
      colIdx: null, //column index containing the json map definitions
      idPropertyName: "" //GeoJSON feature property that will be used to index the feature
    },
    implementation: function(tgt, st, opt) {

      var map = _.chain(st.tableData.resultset)
        .map(function(row, idx){
          return [
            st.ids[idx], polygonToGeoJson(row[opt.colIdx])
          ]
        })
        .object()
        .value();

      var deferred = $.Deferred();
      deferred.resolve(map);
      return deferred.promise();
    }
  };

  function polygonToGeoJson(coordinatesStr){
    return {
      type: "Feature",
      geometry: {
        type: "Polygon",
        coordinates: JSON.parse(coordinatesStr)
      }
    }
  }

  Dashboard.registerGlobalAddIn("NewMapComponent", "ShapeResolver", new AddIn(inlineGeoJSON));
  return inlineGeoJSON;
});

preExecution.js

function(){
  this.shapeResolver = "inlineGeoJson";
  this.setAddInOptions("ShapeResolver", "inlineGeoJSON", { colIdx: 2});
}