mapDonations.js

var committee_url_list = [[1, 'Joe Moreno', 'https://illinoissunshine.org/committees/20809/'],
 [2, 'Brian Hopkins', 'https://illinoissunshine.org/committees/25653/'],
 [3, 'Pat Dowell', 'https://illinoissunshine.org/committees/16892/'],
 [4, 'Sophia King', 'https://illinoissunshine.org/committees/32052/'],
 [5, 'Leslie Hairston', 'https://illinoissunshine.org/committees/14216/'],
 [6, 'Roderick Sawyer', 'https://illinoissunshine.org/committees/22875/'],
 [7, 'Gregory Mitchell', 'https://illinoissunshine.org/committees/22816/'],
 [8, 'Michelle Harris', 'https://illinoissunshine.org/committees/20016/'],
 [9, 'Anthony Beale', 'https://illinoissunshine.org/committees/14556/'],
 [10, 'Susan Sadlowski Garza', 'https://illinoissunshine.org/committees/26168/'],
 [11, 'Patrick Thompson', 'https://illinoissunshine.org/committees/26197/'],
 [12, 'George Cardenas', 'https://illinoissunshine.org/committees/17290/'],
 [13, 'Marty Quinn', 'https://illinoissunshine.org/committees/23282/'],
 [14, 'Ed Burke', 'https://illinoissunshine.org/committees/4410/'],
 [15, 'Raymond Lopez', 'https://illinoissunshine.org/committees/23079/'],
 [16, 'Toni Faulkes', 'https://illinoissunshine.org/committees/20107/'],
 [17, 'David Moore', 'https://illinoissunshine.org/committees/23127/'],
 [18, 'Derrick Curtis', 'https://illinoissunshine.org/committees/26217/'],
 [19, "Matthew O'Shea", 'https://illinoissunshine.org/committees/22919/'],
 [20, 'Willie Cochran', 'https://illinoissunshine.org/committees/19880/'],
 [21, 'Howard Brookins', 'https://illinoissunshine.org/committees/17003/'],
 [22, 'Ricardo Munoz', 'https://illinoissunshine.org/committees/9487/'],
 [23, 'Michael Zalewski', 'https://illinoissunshine.org/committees/14156/'],
 [24, 'Michael Scott', 'https://illinoissunshine.org/committees/26204/'],
 [25, 'Daniel Solis', 'https://illinoissunshine.org/committees/12260/'],
 [26, 'Roberto Maldonado', 'https://illinoissunshine.org/committees/9533/'],
 [27, 'Walter Burnett', 'https://illinoissunshine.org/committees/10591/'],
 [28, 'Jason Ervin', 'https://illinoissunshine.org/committees/23112/'],
 [29, 'Chris Taliaferro', 'https://illinoissunshine.org/committees/25937/'],
 [30, 'Ariel Reboyas', 'https://illinoissunshine.org/committees/17163/'],
 [31, 'Milly Santiago', 'https://illinoissunshine.org/committees/26162/'],
 [32, 'Scott Waguespack', 'https://illinoissunshine.org/committees/19898/'],
 [33, 'Deborah Mell', 'https://illinoissunshine.org/committees/20627/'],
 [34, 'Carrie Austin', 'https://illinoissunshine.org/committees/11884/'],
 [35, 'Carlos Ramirez-Rosa', 'https://illinoissunshine.org/committees/26021/'],
 [36, 'Gilbert Villegas', 'https://illinoissunshine.org/committees/26023/'],
 [37, 'Emma Mitts', 'https://illinoissunshine.org/committees/15622/'],
 [38, 'Nicholas Sposato', 'https://illinoissunshine.org/committees/19830/'],
 [39, 'Margaret Laurino', 'https://illinoissunshine.org/committees/9808/'],
 [40, "Patrick O'Connor", 'https://illinoissunshine.org/committees/4353/'],
 [41, 'Anthony Napolitano', 'https://illinoissunshine.org/committees/26028/'],
 [42, 'Brendan Reilly', 'https://illinoissunshine.org/committees/19263/'],
 [43, 'Michelle Smith', 'https://illinoissunshine.org/committees/19682/'],
 [44, 'Thomas Tunney', 'https://illinoissunshine.org/committees/17150/'],
 [45, 'John Arena', 'https://illinoissunshine.org/committees/22749/'],
 [46, 'James Cappleman', 'https://illinoissunshine.org/committees/20952/'],
 [47, 'Ameya Pawar', 'https://illinoissunshine.org/committees/23607/'],
 [48, 'Harry Osterman', 'https://illinoissunshine.org/committees/22976/'],
 [49, 'Joseph Moore', 'https://illinoissunshine.org/committees/6380/'],
 [50, 'Debra Silverstein', 'https://illinoissunshine.org/committees/22982/']];

function makeRequest(ward){
  var requestURL = 'https://raw.githubusercontent.com/ryantimjohn/chicago_aldermen_campaign_finance/master/json/Ward' + ward + '.json';
  var request = new XMLHttpRequest();
  request.open('GET', requestURL);
  request.responseType = 'json';
  request.send();
  return request;
}

function loadMap(ward, request) {

      var myStyles =[
        {
          featureType: "poi",
          elementType: "labels",
          stylers: [
                { visibility: "off" }
          ]
        }
      ]

      var mapOptions = {
        center: new google.maps.LatLng(41.8781, -87.6298),
        zoom: 7,
        styles: myStyles,
      }

      var obj = request.response;
      var map = new google.maps.Map(document.getElementById("map"), mapOptions);
      var infowindow = new google.maps.InfoWindow({maxWidth : 400});

      var kmlURL = 'https://raw.githubusercontent.com/ryantimjohn/chicago_aldermen_campaign_finance/master/kml/Ward' + ward + '.kml';
      var wardLayer = new google.maps.KmlLayer({
          url: kmlURL,
          map: map
        });

      for (var line in obj) {

        var url = "";

        switch (obj[line]["donor_type"]) {
          case "Business":
            url = "https://rawgit.com/ryantimjohn/chicago_aldermen_campaign_finance/master/icons/b.svg";
            break;
          case "Individual":
            url = "https://rawgit.com/ryantimjohn/chicago_aldermen_campaign_finance/master/icons/i.svg";
            break;
          case "Political Group":
            url = "https://rawgit.com/ryantimjohn/chicago_aldermen_campaign_finance/master/icons/g.svg";
            break;
        }

        size = (0.23034542456 * Math.sqrt(obj[line]["amount"] - 150)) + 10

        var image = {
          url: url,
          // size: new google.maps.Size(132, 135),
          scaledSize: new google.maps.Size(size, size),
        }

        var content = '<div id="content">' +
          '<div id="siteNotice">' +
          '</div>' +
          '<h1 id="firstHeading" class="firstHeading">' + obj[line]["first_name"] + " " + obj[line]["last_name"] + '</h1>' +
          '<h2>$' + obj[line]["amount"] + ' donated since 2015 election</h2>' +
          '<div id="bodyContent">' +
          '<p><b>Donor type: </b>' + obj[line]["donor_type"] + "</p>" +
          '<p><b>Address: </b>' + obj[line]["full_address"] + "</p>" +
          '<p>Information obtained from Illinois Sunshine: <a href="' + committee_url_list[ward-1][2] + '">' +
          committee_url_list[ward-1][1] + '</a> ' +
          '(last visited August 30, 2018).</p>' +
          '</div>' +
          '</div>';

        if (obj[line]["coord"]) {
          var marker = new google.maps.Marker({
            position: new google.maps.LatLng(obj[line]["coord"][0], obj[line]["coord"][1]),
            title: obj[line]["first_name"] + " " + obj[line]["last_name"],
            map: map,
            icon: image,
          });
          google.maps.event.addListener(marker, 'click', (function(marker, content, infowindow) {
            return function() {
              infowindow.setContent(content);
              infowindow.open(map, marker);
            };
          })(marker, content, infowindow));
        }
      }
    }