custom-scripts.js

define(["dojo/topic"], function(topic) {
  /*
   * Custom Javascript to be executed while the application is initializing goes here
   */

  // The application is ready
  topic.subscribe("tpl-ready", function() {
    /*
     * Custom Javascript to be executed when the application is ready goes here
     */
  });


  var WEBMAP_ID = "fc3f658415c4400cb850ec8152c39561",
    LAYER_ID = "TrailSegments_5706";

  var clickHandlerIsSetup = false;

  topic.subscribe("story-loaded-map", function (result) {
    if (result.id == WEBMAP_ID && !clickHandlerIsSetup) {
      var map = app.maps[result.id].response.map,
        layer = map.getLayer(LAYER_ID);

      if (layer) {
        layer.on("click", function(e) {
          var index = e.graphic.attributes["Index_"];
          topic.publish("story-navigate-section", index);
        });
      }
    }
  });

});