class RubyvisCharts::GroupedBarTimelineChart
Constants
- HALF_VALUE
Attributes
bars_colors[R]
bars_padding[R]
Public Class Methods
new( bars_padding: DefaultArguments::BARS_PADDING, bars_colors: DefaultArguments::BARS_COLORS, **other )
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Calls superclass method
RubyvisCharts::AbstractTimelineChart::new
# File lib/rubyvis_charts/grouped_bar_timeline_chart.rb, line 12 def initialize( bars_padding: DefaultArguments::BARS_PADDING, bars_colors: DefaultArguments::BARS_COLORS, **other ) super(other) @bars_padding = bars_padding @bars_colors = bars_colors initialize_bars! end
Private Instance Methods
bars_widths()
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# File lib/rubyvis_charts/grouped_bar_timeline_chart.rb, line 47 def bars_widths @bars_widths ||= Rubyvis::Scale.ordinal(Rubyvis.range(values.length / HALF_VALUE)).split_banded(0, timeline_width) end
initialize_bars!()
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# File lib/rubyvis_charts/grouped_bar_timeline_chart.rb, line 27 def initialize_bars! chart = self bar_left_indent = -> do bar_width = chart.send(:bars_widths).range_band / HALF_VALUE colors = chart.send(:bars_colors) left_padding = chart.bars_padding.left self.index * bar_width - (self.index % colors.length) * (bar_width - left_padding * HALF_VALUE) + left_padding end fill_style_colors = -> { chart.send(:bars_colors_iterator, self.index, self.height, chart.bars_colors) } @layer_timeline.add(Rubyvis::Bar) .data(values) .width(bars_widths.range_band - (bars_padding.right + bars_padding.left) * HALF_VALUE) .height(bars_heights) .left(bar_left_indent) .bottom(0) .fillStyle(fill_style_colors) end