text: /*=========================================================================================
      File Name: stacked-bar.js
      Description: D3 stacked bar chart
      ----------------------------------------------------------------------------------------
      Item Name: Modern Admin - Clean Bootstrap 4 Dashboard HTML Template
      Version: 1.0
      Author: PIXINVENT
      Author URL: http://www.themeforest.net/user/pixinvent
  ==========================================================================================*/
  
  // Stacked bar chart
  // ------------------------------
  $(window).on("load", function() {
  
      var ele = d3.select("#stacked-bar"),
          margin = { top: 20, right: 20, bottom: 30, left: 50 },
          width = ele.node().getBoundingClientRect().width - margin.left - margin.right,
          height = 500 - margin.top - margin.bottom;
  
      // Initialize Scales
      // ------------------------------
  
      var x = d3.scale.ordinal()
          .rangeRoundBands([0, width], .1);
  
      var y = d3.scale.linear()
          .rangeRound([height, 0]);
  
      // Initialize Colors
      // ------------------------------
      var color = d3.scale.ordinal()
          .range(["#99B898", "#C7C29F", "#FECEA8", "#FEAC94", "#FF847C", "#F56A6F", "#E84A5F"]);
  
      // Initialize Axis
      // ------------------------------
      var xAxis = d3.svg.axis()
          .scale(x)
          .orient("bottom");
  
      var yAxis = d3.svg.axis()
          .scale(y)
          .orient("left")
          .tickFormat(d3.format(".2s"));
  
      // Chart
      var container = ele.append("svg");
  
      var svg = container
          .attr("width", width + margin.left + margin.right)
          .attr("height", height + margin.top + margin.bottom)
          .append("g")
          .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
  
      // Load data
      // ------------------------------
  
      d3.csv("app-assets/data/d3/bar/stacked-bar.csv", function(error, data) {
          if (error) throw error;
  
          color.domain(d3.keys(data[0]).filter(function(key) { return key !== "State"; }));
  
          data.forEach(function(d) {
              var y0 = 0;
              d.ages = color.domain().map(function(name) { return { name: name, y0: y0, y1: y0 += +d[name] }; });
              d.total = d.ages[d.ages.length - 1].y1;
          });
  
          data.sort(function(a, b) { return b.total - a.total; });
  
          x.domain(data.map(function(d) { return d.State; }));
          y.domain([0, d3.max(data, function(d) { return d.total; })]);
  
          svg.append("g")
              .attr("class", "d3-axis d3-xaxis")
              .attr("transform", "translate(0," + height + ")")
              .call(xAxis);
  
          svg.append("g")
              .attr("class", "d3-axis d3-yaxis")
              .call(yAxis)
              .append("text")
              .attr("transform", "rotate(-90)")
              .attr("y", 6)
              .attr("dy", ".71em")
              .style("text-anchor", "end")
              .style("fill", "#666")
              .style("font-size", 12)
              .text("Population");
  
          var state = svg.selectAll(".state")
              .data(data)
              .enter().append("g")
              .attr("class", "state")
              .attr("transform", function(d) { return "translate(" + x(d.State) + ",0)"; });
  
          state.selectAll(".d3-bar")
              .data(function(d) { return d.ages; })
              .enter().append("rect")
              .attr("class", "d3-bar")
              .attr("width", x.rangeBand())
              .attr("y", function(d) { return y(d.y1); })
              .attr("height", function(d) { return y(d.y0) - y(d.y1); })
              .style("fill", function(d) { return color(d.name); });
  
          var legend = svg.selectAll(".legend")
              .data(color.domain().slice().reverse())
              .enter().append("g")
              .attr("class", "d3-legend")
              .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
  
          legend.append("rect")
              .attr("x", width - 18)
              .attr("width", 18)
              .attr("height", 18)
              .style("fill", color);
  
          legend.append("text")
              .attr("x", width - 24)
              .attr("y", 9)
              .attr("dy", ".35em")
              .style("text-anchor", "end")
              .text(function(d) { return d; });
      });
  
      // Resize chart
      // ------------------------------
  
      // Call function on window resize
      $(window).on('resize', resize);
  
      // Call function on sidebar width change
      $('.menu-toggle').on('click', resize);
  
      // Resize function
      // ------------------------------
      function resize() {
  
          width = ele.node().getBoundingClientRect().width - margin.left - margin.right;
  
          // Main svg width
          container.attr("width", width + margin.left + margin.right);
  
          // Width of appended group
          svg.attr("width", width + margin.left + margin.right);
  
  
          // Axis
          // -------------------------
          x.rangeRoundBands([0, width], .1, .5);
          svg.selectAll('.d3-xaxis').call(xAxis);
  
          // Bar group
          svg.selectAll('.state').attr("transform", function(d) { return "translate(" + x(d.State) + ",0)"; });
  
          // Bars
          svg.selectAll('.d3-bar').attr("width", x.rangeBand()).attr("x", function(d) { return x(d.name); });
  
          // Legend
          svg.selectAll(".d3-legend text").attr("x", width - 24);
          svg.selectAll(".d3-legend rect").attr("x", width - 18);
      }
  });