D3 Examples - Draft Plebiscito Sortable barchart

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<!DOCTYPE html>
<meta charset="utf-8">
<head>
<style>
​
.rectangle:hover {
  fill: orange;
}
.axis {
  font: 12px sans-serif;
}
​
body {
  font: 11px sans-serif;
}
  
.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
</style>
</head>
<body>
<label><input type="checkbox">Sort values</label>
<div id="drop" align=center></div>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script>
​
var margin = {top: 45, right: 80, bottom: 150, left: 180},
    width = 350 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
  
var svg = d3.select("body").append("svg")
  .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
  
  var color = d3.scale.ordinal()
    .range(["#FF0000","#ff7575","#21f628"]);
​
// Cargue de los Datos  
d3.tsv("MunicipiosPlebiscito2016VIS.csv", function(error, data){
​
  // Get every column value
  var elements = Object.keys(data[0])
    .filter(function(d){
      return (d != "Municipio");
    });
  
  var headerNames = d3.keys(data[0]).filter(function(key) {         return  ((key != "Municipio") & (key != "Ganador")); });
  
  var selection = elements[0];
​
  var y = d3.scale.linear()
      .domain([0, d3.max(data, function(d){
        return +d[selection];
      })])
      .range([height, 0]);
​
  var x = d3.scale.ordinal()
      .domain(data.map(function(d){ return d.Municipio;}))
      .rangeBands([0, width]);
​
​
  var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");
​
  var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");
  
  var legend = svg.selectAll(".legend")
      .data(headerNames.slice())
      .enter().append("g")
      .attr("class", "legend")
      .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
​
    legend.append("rect")
      .attr("x", - 180)
      .attr("width", 18)
      .attr("height", 18)
      .style("fill", color);
​
    legend.append("text")
      .attr("x", -160)
      .attr("y", 9)
      .attr("dy", ".35em")
      //.style("text-anchor", "end")
      .text(function(d) { return d; });
​
  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)
      .selectAll("text")
      .style("font-size", "12px")
        .style("text-anchor", "end")
        .attr("dx", "-.8em")
        .attr("dy", "-.55em")
        .attr("transform", "rotate(-45)" );
​
​
  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis);
​
  svg.selectAll("rectangle")
    .data(data)
    .enter()
    .append("rect")
    .attr("class","rectangle").attr("fill","steelblue")
    .attr("width", width/data.length-1)
    .attr("height", function(d){
      return height - y(+d[selection]);
    })
    .attr("x", function(d, i){
      return (width / data.length) * i ;
    })
    .attr("y", function(d){
      return y(+d[selection]);
    })
    .append("title")
    .text(function(d){
      return d.Municipio + " : " + d[selection];
    });
  
    
    function getColor(d) {
        var color = "";
        console.log(d);
        switch (d) {
          case "Votos por el No":
            color = "#FF0000";
            break;
          case "Votos Zuluaga 2da vuelta":
            color = "#ff7575";
            break;
          case "Votos por el Sí":
            color = "#21f628";
            break;
​
          default:
              color = "#919191";
        }
      return color
    }
  
  
  
  //Ordenar los valores
   d3.select("input").on("change", change);
​
  var sortTimeout = setTimeout(function() {
    d3.select("input").property("checked", true).each(change);
  }, 2000);
​
  function change() {
    clearTimeout(sortTimeout);
    // Copy-on-write since tweens are evaluated after a delay.
    var xi = x.domain(data.sort(!this.checked
        ? function(a, b) { return b.VotoNo - a.VotoNo; }
        : function(a, b) { return d3.ascending(a.Municipio, b.Municipio); })
        .map(function(d) { return d.Municipio; }))
        .copy();
​
    svg.selectAll(".rectangle")
        .sort(function(a, b) { return xi(a.Municipio) - xi(b.Municipio); });
​
    var transition = svg.transition().duration(750),
        delay = function(d, i) { return i * 50; };
​
    transition.selectAll(".rectangle")
        .delay(delay)
        .attr("x", function(d) { return xi(d.Municipio); });
​
    transition.select(".x.axis")
        .call(xAxis)
        .selectAll("g")
        .delay(delay);
  }
  
​
});
  
</script>
</body>
    