Module: ChartHelper

Defined in:
app/helpers/chart_helper.rb

Instance Method Summary collapse

Instance Method Details

#bar(id = nil, size = nil, data = nil) ⇒ Object

Chartjs



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# File 'app/helpers/chart_helper.rb', line 398

def bar id=nil, size=nil, data=nil
  html  = "<canvas id=\"bar_#{id}\" height=\"#{size[:height]}\" width=\"#{size[:width]}\"></canvas>".html_safe
  script = javascript_tag do
    <<-END.html_safe
      var barChartData = #{data}
      var ctx_#{id} = document.getElementById("bar_#{id}").getContext("2d");
      window.myBar_#{id} = new Chart(ctx_#{id}).Bar(barChartData, {});
    END
  end
  return html + script
end

#boxplot(id = nil, size = nil, data = nil, options = nil) ⇒ Object 



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# File 'app/helpers/chart_helper.rb', line 372

def boxplot id=nil, size=nil, data=nil, options=nil
  html = "<div style=\"width: #{size[:width]}px; height: #{size[:height]}px;\" class=\"gallery\" id=\"boxplot_#{id}\"><svg></svg></div>".html_safe
  script = javascript_tag do
    <<-END.html_safe
      nv.addGraph(function() {
        var chart = nv.models.boxPlotChart()
            .x(function(d) { return d.label })
            .y(function(d) { return d.values.Q3 })
            .staggerLabels(true)
            .maxBoxWidth(10) // prevent boxes from being incredibly wide
            .yDomain([0, 700]);
        d3.select('#boxplot_#{id} svg')
            .datum(#{data})
            .call(chart);
        nv.utils.windowResize(chart.update);
        return chart;
      });
    END
  end

  return html + script
end

#discrete_bar(id = nil, size = nil, data = nil, options = nil) ⇒ Object 



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# File 'app/helpers/chart_helper.rb', line 347

def discrete_bar id=nil, size=nil, data=nil, options=nil
  html = "<div style=\"width: #{size[:width]}px; height: #{size[:height]}px;\" id=\"discrete_bar_#{id}\"><svg></svg></div>".html_safe
  script = javascript_tag do
    <<-END.html_safe
      nv.addGraph(function() {
          var chart = nv.models.discreteBarChart()
              .x(function(d) { return d.label })
              .y(function(d) { return d.value })
              .staggerLabels(true)
              //.staggerLabels(historicalBarChart[0].values.length > 8)
              .showValues(true)
              //.duration(250);

          d3.select('#discrete_bar_#{id} svg')
              .datum(#{data})
              .call(chart);
          nv.utils.windowResize(chart.update);
          return chart;
      });
  END
  end

  return html + script
end

#gBar ⇒ Object

Google Chart



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# File 'app/helpers/chart_helper.rb', line 288

def gBar


end

#gLine ⇒ Object 



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# File 'app/helpers/chart_helper.rb', line 294

def gLine

end

#hArea ⇒ Object 



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# File 'app/helpers/chart_helper.rb', line 65

def hArea
  html = "<div id=\"container_area\" style=\"min-width: 310px; height: 400px; margin: 0 auto\"></div>".html_safe
  script = javascript_tag do
    <<-END.html_safe
    $(function () {
        $('#container_area').highcharts({
            chart: {
                type: 'area'
            },
            title: {
                text: 'US and USSR nuclear stockpiles'
            },
            subtitle: {
                text: 'Source: <a href="http://thebulletin.metapress.com/content/c4120650912x74k7/fulltext.pdf">' +
                    'thebulletin.metapress.com</a>'
            },
            xAxis: {
                allowDecimals: false,
                labels: {
                    formatter: function () {
                        return this.value; // clean, unformatted number for year
                    }
                }
            },
            yAxis: {
                title: {
                    text: 'Nuclear weapon states'
                },
                labels: {
                    formatter: function () {
                        return this.value / 1000 + 'k';
                    }
                }
            },
            tooltip: {
                pointFormat: '{series.name} produced <b>{point.y:,.0f}</b><br/>warheads in {point.x}'
            },
            plotOptions: {
                area: {
                    pointStart: 1940,
                    marker: {
                        enabled: false,
                        symbol: 'circle',
                        radius: 2,
                        states: {
                            hover: {
                                enabled: true
                            }
                        }
                    }
                }
            },
            series: [{
                name: 'USA',
                data: [null, null, null, null, null, 6, 11, 32, 110, 235, 369, 640,
                    1005, 1436, 2063, 3057, 4618, 6444, 9822, 15468, 20434, 24126,
                    27387, 29459, 31056, 31982, 32040, 31233, 29224, 27342, 26662,
                    26956, 27912, 28999, 28965, 27826, 25579, 25722, 24826, 24605,
                    24304, 23464, 23708, 24099, 24357, 24237, 24401, 24344, 23586,
                    22380, 21004, 17287, 14747, 13076, 12555, 12144, 11009, 10950,
                    10871, 10824, 10577, 10527, 10475, 10421, 10358, 10295, 10104]
            }, {
                name: 'USSR/Russia',
                data: [null, null, null, null, null, null, null, null, null, null,
                    5, 25, 50, 120, 150, 200, 426, 660, 869, 1060, 1605, 2471, 3322,
                    4238, 5221, 6129, 7089, 8339, 9399, 10538, 11643, 13092, 14478,
                    15915, 17385, 19055, 21205, 23044, 25393, 27935, 30062, 32049,
                    33952, 35804, 37431, 39197, 45000, 43000, 41000, 39000, 37000,
                    35000, 33000, 31000, 29000, 27000, 25000, 24000, 23000, 22000,
                    21000, 20000, 19000, 18000, 18000, 17000, 16000]
            }]
        });
    });
    END
  end
  return html + script
end

#hBar ⇒ Object 



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# File 'app/helpers/chart_helper.rb', line 144

def hBar
  html = "<div id=\"container_bar\" style=\"min-width: 310px; height: 400px; margin: 0 auto\"></div>".html_safe
  script = javascript_tag do
    <<-END.html_safe
    $(function () {
        $('#container_bar').highcharts({
            chart: {
                type: 'bar'
            },
            title: {
                text: 'Historic World Population by Region'
            },
            subtitle: {
                text: 'Source: <a href="https://en.wikipedia.org/wiki/World_population">Wikipedia.org</a>'
            },
            xAxis: {
                categories: ['Africa', 'America', 'Asia', 'Europe', 'Oceania'],
                title: {
                    text: null
                }
            },
            yAxis: {
                min: 0,
                title: {
                    text: 'Population (millions)',
                    align: 'high'
                },
                labels: {
                    overflow: 'justify'
                }
            },
            tooltip: {
                valueSuffix: ' millions'
            },
            plotOptions: {
                bar: {
                    dataLabels: {
                        enabled: true
                    }
                }
            },
            legend: {
                layout: 'vertical',
                align: 'right',
                verticalAlign: 'top',
                x: -40,
                y: 80,
                floating: true,
                borderWidth: 1,
                backgroundColor: ((Highcharts.theme && Highcharts.theme.legendBackgroundColor) || '#FFFFFF'),
                shadow: true
            },
            credits: {
                enabled: false
            },
            series: [{
                name: 'Year 1800',
                data: [107, 31, 635, 203, 2]
            }, {
                name: 'Year 1900',
                data: [133, 156, 947, 408, 6]
            }, {
                name: 'Year 2012',
                data: [1052, 954, 4250, 740, 38]
            }]
        });
    });
    END
  end
  return html + script
end

#hLine ⇒ Object

Highcharts



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# File 'app/helpers/chart_helper.rb', line 7

def hLine
  html = "<div id=\"container\" style=\"min-width: 310px; height: 400px; margin: 0 auto\"></div>".html_safe
  script = javascript_tag do
    <<-END.html_safe
        $(function () {
      $('#container').highcharts({
          title: {
              text: 'Monthly Average Temperature',
              x: -20 //center
          },
          subtitle: {
              text: 'Source: WorldClimate.com',
              x: -20
          },
          xAxis: {
              categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
                  'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
          },
          yAxis: {
              title: {
                  text: 'Temperature (°C)'
              },
              plotLines: [{
                  value: 0,
                  width: 1,
                  color: '#808080'
              }]
          },
          tooltip: {
              valueSuffix: '°C'
          },
          legend: {
              layout: 'vertical',
              align: 'right',
              verticalAlign: 'middle',
              borderWidth: 0
          },
          series: [{
              name: 'Tokyo',
              data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6]
          }, {
              name: 'New York',
              data: [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5]
          }, {
              name: 'Berlin',
              data: [-0.9, 0.6, 3.5, 8.4, 13.5, 17.0, 18.6, 17.9, 14.3, 9.0, 3.9, 1.0]
          }, {
              name: 'London',
              data: [3.9, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8]
          }]
      });
  });
    END
  end
  return html + script
end

#horizontal_grouped_bar(id = nil, size = nil, data = nil, options = nil) ⇒ Object

D3.js related chart



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# File 'app/helpers/chart_helper.rb', line 307

def horizontal_grouped_bar id=nil, size=nil, data=nil, options=nil
  html = "<div style=\"width: #{size[:width]}px; height: #{size[:height]}px;\" id=\"horizontal_grouped_bar_#{id}\"><svg></svg></div>".html_safe
  script = javascript_tag do
    <<-END.html_safe
    var chart;
    nv.addGraph(function() {
        chart = nv.models.multiBarHorizontalChart()
            .x(function(d) { return d.label })
            .y(function(d) { return d.value })
            //.yErr(function(d) { return [-Math.abs(d.value * Math.random() * 0.3), Math.abs(d.value * Math.random() * 0.3)] })
            //.barColor(d3.scale.category20().range())
            //.duration(250)
            .showValues(true)
            //.margin({left: 100})
            .stacked(false);

        chart.yAxis.tickFormat(d3.format(',.2f'));

        chart.yAxis.axisLabel('Y Axis');
        chart.xAxis.axisLabel('X Axis').axisLabelDistance(100);

        d3.select('#horizontal_grouped_bar_#{id} svg')
            .datum(#{data})
            .call(chart);

        nv.utils.windowResize(chart.update);

        chart.dispatch.on('stateChange', function(e) { nv.log('New State:', JSON.stringify(e)); });
        chart.state.dispatch.on('change', function(state){
            nv.log('state', JSON.stringify(state));
        });
        return chart;
    });

  END
  end

  return html + script
end

#hPie ⇒ Object 



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# File 'app/helpers/chart_helper.rb', line 220

def hPie
  html = "<div id=\"container_pie\" style=\"min-width: 310px; height: 400px; margin: 0 auto\"></div>".html_safe
  script = javascript_tag do
    <<-END.html_safe
    $(function () {
        $('#container_pie').highcharts({
            chart: {
                plotBackgroundColor: null,
                plotBorderWidth: null,
                plotShadow: false,
                type: 'pie'
            },
            title: {
                text: 'Browser market shares January, 2015 to May, 2015'
            },
            tooltip: {
                pointFormat: '{series.name}: <b>{point.percentage:.1f}%</b>'
            },
            plotOptions: {
                pie: {
                    allowPointSelect: true,
                    cursor: 'pointer',
                    dataLabels: {
                        enabled: true,
                        format: '<b>{point.name}</b>: {point.percentage:.1f} %',
                        style: {
                            color: (Highcharts.theme && Highcharts.theme.contrastTextColor) || 'black'
                        }
                    }
                }
            },
            series: [{
                name: 'Brands',
                colorByPoint: true,
                data: [{
                    name: 'Microsoft Internet Explorer',
                    y: 56.33
                }, {
                    name: 'Chrome',
                    y: 24.03,
                    sliced: true,
                    selected: true
                }, {
                    name: 'Firefox',
                    y: 10.38
                }, {
                    name: 'Safari',
                    y: 4.77
                }, {
                    name: 'Opera',
                    y: 0.91
                }, {
                    name: 'Proprietary or Undetectable',
                    y: 0.2
                }]
            }]
        });
    });
    END
  end
  return html + script
end

#line(id = nil, size = nil, data = nil) ⇒ Object 



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# File 'app/helpers/chart_helper.rb', line 410

def line id=nil, size=nil, data=nil
  html  = "<canvas id=\"line_#{id}\" height=\"#{size[:height]}\" width=\"#{size[:width]}\"></canvas>".html_safe
  script = javascript_tag do
    <<-END.html_safe
      var lineChartData = #{data}
      var ctx_#{id} = document.getElementById("line_#{id}").getContext("2d");
      window.myLine_#{id} = new Chart(ctx_#{id}).Line(lineChartData, {});
    END
  end
  return html + script
end

#pie(id = nil, size = nil, data = nil) ⇒ Object 



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# File 'app/helpers/chart_helper.rb', line 422

def pie id=nil, size=nil, data=nil
  html  = "<canvas id=\"pie_#{id}\" height=\"#{size[:height]}\" width=\"#{size[:width]}\"></canvas>".html_safe
  script = javascript_tag do
    <<-END.html_safe
      var pieData = #{data}
		var ctx_#{id} = document.getElementById("pie_#{id}").getContext("2d");
		window.myPie_#{id} = new Chart(ctx_#{id}).Pie(pieData);
    END
  end
  return html + script
end

#radar(id = nil, size = nil, data = nil) ⇒ Object 



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# File 'app/helpers/chart_helper.rb', line 434

def radar id=nil, size=nil, data=nil
  html  = "<canvas id=\"radar_#{id}\" height=\"#{size[:height]}\" width=\"#{size[:width]}\"></canvas>".html_safe
  script = javascript_tag do
    <<-END.html_safe
      var radarChartData = #{data}
      window.myRadar_#{id} = new Chart(document.getElementById("radar_#{id}").getContext("2d")).Radar(radarChartData, {
      });
    END
  end
  return html + script
end