VFINX 500 Treemap by syntagmatic

index.html

<!DOCTYPE html>
<meta charset="utf-8">
<style>

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin: auto;
  position: relative;
  width: 960px;
}

form {
  position: absolute;
  right: 10px;
  top: 10px;
}

.node {
  border: solid 1px white;
  font: 10px sans-serif;
  color: #fff;
  line-height: 12px;
  overflow: hidden;
  position: absolute;
  text-indent: 2px;
  cursor: crosshair;
}

.tooltip {
  background: #fff;
  position: absolute;
  z-index: 100;
  top: 80px;
  left: 90px;
  width: 200px;
  padding: 10px;
  pointer-events: none;
  font-size: 13px;
}

.tooltip h4 {
  margin: 0;
  padding: 0;
}

.tooltip p {
  margin-bottom: 0;
}

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>

var margin = {top: 4, right: 4, bottom: 4, left: 4},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var color = d3.scale.category20c();

var treemap = d3.layout.treemap()
    .size([width, height])
    .sticky(true)
    .padding(1)
    .children(function(d, depth) { return d.values; })
    .value(function(d) { return d.value; });

var div = d3.select("body").append("div")
    .style("position", "relative")
    .style("width", (width + margin.left + margin.right) + "px")
    .style("height", (height + margin.top + margin.bottom) + "px")
    .style("left", margin.left + "px")
    .style("top", margin.top + "px");

var tooltip = div.append("div")
    .attr("class", "tooltip")
    .style("display", "none")
    .text("Testing");


d3.csv("vfinx500.csv", function(error, data) {
  data.forEach(function(d) {
    d.value = parseInt(d["Market Value"].replace("$","").replace(/,/g,""));
  })

  var root = d3.nest()
    .key(function(d) { return "root"; })
//    .key(function(d) { return d.subreddit; })
    .entries(data)[0];
  console.log("root", root);
  console.log("treemap", treemap.nodes(root));

  var node = div.datum(root).selectAll(".node")
      .data(treemap.nodes)
    .enter().append("div")
      .attr("class", "node")
      .call(position)
      .style("background", function(d) { return d.values ? null : "#777"; })
      .text(function(d) { return d.values ? null : d.Holding; })
      .on("mousemove", function(d) {
        var pos = d3.mouse(this);

        tooltip
          .style("display", "block")
          .style("top", (d.y + pos[1]) + "px")
          .style("left", d.x > width/2
            ? (d.x + pos[0] - 220) + "px"
            : (d.x + pos[0]) + "px")
          .html("");

        tooltip.append("h4")
          .text(d.Holding);
        tooltip.append("p")
          .text(d["Market Value"]);
      })
      .on("mouseout", function(d) {
        tooltip
          .style("display", "none");
      })
});

function position() {
  this.style("left", function(d) { return d.x + "px"; })
      .style("top", function(d) { return d.y + "px"; })
      .style("width", function(d) { return Math.max(0, d.dx - 1) + "px"; })
      .style("height", function(d) { return Math.max(0, d.dy - 1) + "px"; });
}

</script>