Class: Spoom::Coverage::D3::Pie

Inherits:
Base
  • Object
show all
Extended by:
T::Helpers, T::Sig
Defined in:
lib/spoom/coverage/d3/pie.rb

Direct Known Subclasses

Calls, Sigils, Sigs

Defined Under Namespace

Classes: Calls, Sigils, Sigs

Instance Attribute Summary

Attributes inherited from Base

#id

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#html, #tooltip

Constructor Details

#initialize(id, title, data) ⇒ Pie

Returns a new instance of Pie.



16
17
18
19
 
# File 'lib/spoom/coverage/d3/pie.rb', line 16

def initialize(id, title, data)
  super(id, data)
  @title = title
end

Class Method Details

.header_script ⇒ Object 



40
41
42
43
44
45
46
47
48
49
 
# File 'lib/spoom/coverage/d3/pie.rb', line 40

def self.header_script
  <<~JS
    function tooltipPie(d, title, kind, sum) {
      moveTooltip(d)
        .html("<b>" + title + "</b><br><br>"
          + "<b>" + d.data.value + "</b> " + kind + "<br>"
          + "<b>" + toPercent(d.data.value, sum) + "</b>%")
    }
  JS
end

.header_style ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
# File 'lib/spoom/coverage/d3/pie.rb', line 22

def self.header_style
  <<~CSS
    .pie .title {
      font: 18px Arial, sans-serif;
      font-weight: bold;
      fill: #212529;
      text-anchor: middle;
      pointer-events: none;
    }

    .pie .arc {
      stroke: #fff;
      stroke-width: 2px;
    }
  CSS
end

Instance Method Details

#script ⇒ Object 



52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
 
# File 'lib/spoom/coverage/d3/pie.rb', line 52

def script
  <<~JS
    #{tooltip}

    var json_#{id} = #{@data.to_json};
    var pie_#{id} = d3.pie().value((d) => d.value);
    var data_#{id} = pie_#{id}(d3.entries(json_#{id}));
    var sum_#{id} = d3.sum(data_#{id}, (d) => d.data.value);
    var title_#{id} = #{@title.to_json};

    function draw_#{id}() {
      var pieSize_#{id} = document.getElementById("#{id}").clientWidth - 10;

      var arcGenerator_#{id} = d3.arc()
        .innerRadius(pieSize_#{id} / 4)
        .outerRadius(pieSize_#{id} / 2);

      d3.select("##{id}").selectAll("*").remove()

      var svg_#{id} = d3.select("##{id}")
        .attr("width", pieSize_#{id})
        .attr("height", pieSize_#{id})
        .attr("class", "pie")
        .append("g")
          .attr("transform", "translate(" + pieSize_#{id} / 2 + "," + pieSize_#{id} / 2 + ")");

      svg_#{id}.selectAll("arcs")
        .data(data_#{id})
        .enter()
          .append('path')
            .attr("class", "arc")
            .attr('fill', (d) => strictnessColor(d.data.key))
            .attr('d', arcGenerator_#{id})
            .on("mouseover", (d) => tooltip.style("opacity", 1))
            .on("mousemove", tooltip_#{id})
            .on("mouseleave", (d) => tooltip.style("opacity", 0));

      svg_#{id}.selectAll("labels")
        .data(data_#{id})
        .enter()
          .append('text')
          .attr("class", "label")
          .attr("transform", (d) => "translate(" + arcGenerator_#{id}.centroid(d) + ")")
          .filter(d => (d.endAngle - d.startAngle) > 0.25)
            .append("tspan")
            .attr("x", 0)
            .attr("y", -3)
            .text((d) => d.data.value)
              .append("tspan")
              .attr("class", "small")
              .attr("x", 0)
              .attr("y", 13)
              .text((d) => toPercent(d.data.value, sum_#{id}) + "%");

      svg_#{id}
        .append("text")
        .attr("class", "title")
        .append("tspan")
          .attr("y", 7)
          .text(title_#{id});
    }

    draw_#{id}();
    window.addEventListener("resize", draw_#{id});
  JS
end