Highcharts Demo

author(s): Torstein Hønsi

by Santosh Giridhara

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/xrange.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>

<div id="container"></div>

CSS

@import 'https://code.highcharts.com/css/highcharts.css';
#container {
  min-width: 300px;
  max-width: 800px;
  height: 300px;
  margin: 1em auto;
}

.highcharts-xrange-series .highcharts-point {
  stroke-width: 1px;
  stroke: gray;
}

.highcharts-partfill-overlay {
  fill: #010101;
  fill-opacity: 0.3;
}

.highcharts-data-label text {
  fill: white;
  text-shadow: 1px 1px black, -1px 1px black, -1px -1px black, 1px -1px black;
}

JavaScript

Highcharts.chart('container', {
  chart: {
    type: 'xrange',
    styledMode: true,
    events: {
      render: function() {
        var chart = this,
          offsetTop = -8,
          offsetLetf = 5,
          x1,
          x2,
          y,
          label1,
          label2,
          label2BBox;
          
        if (chart.customLabels && chart.customLabels.length) {
        	chart.customLabels.forEach(function(label) {
          	label.destroy();
          });
        }
        
        chart.customLabels = [];

        chart.series[0].points.forEach(function(point) {

          x1 = point.plotX + chart.plotLeft + offsetLetf;
          x2 = x1 + point.shapeArgs.width - 2 * offsetLetf;
          y = point.plotY + chart.plotTop + point.shapeArgs.height / 2 + offsetTop;

          label1 = chart.renderer.text(chart.xAxis[0].dataMin, x1, y).css({
              fill: '#fff'
            }).add().toFront();
            
          label2 = chart.renderer.text(chart.xAxis[0].dataMax, x2, y).css({
              fill: '#fff'
            }).add().toFront();
          
          label2BBox = label2.getBBox();
          label2.translate(-label2BBox.width, 0);
          
          chart.customLabels.push(label1);
          chart.customLabels.push(label2);
        });
      }
    }
  },
  title: {
    text: ''
  },
  credits: {
    enabled: false
  },
  exporting: {
    enabled: false
  },
  xAxis: {
    type: 'linear',
    visible: false
  },
  yAxis: {
    title: {
      text: ''
    },
    reversed: true,
    visible: false
  },
  plotOptions: {
    series: {
      dataLabels: {
        formatter: function() {
          var point = this.point;

          return point.partialFill * point.x2;
        }
      }
    }
  },
  series: [{
    showInLegend: false,
    pointWidth: 25,
    data: [{
      x: 0,
      x2: 150,
      y: 0,
      partialFill: 0.75
    }],
    dataLabels: {
      enabled: true
    }
  }]

});