Class: Tiler::Widgets::LineChart

Inherits:
Tiler::Widget show all
Defined in:
lib/tiler/widgets/line_chart.rb

Instance Attribute Summary

Attributes inherited from Tiler::Widget

#config, #panel

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Tiler::Widget

#data, #initialize, #label, #partial, #query_class

Constructor Details

This class inherits a constructor from Tiler::Widget

Class Method Details

.example_config ⇒ Object 



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# File 'lib/tiler/widgets/line_chart.rb', line 104

def self.example_config
  {
    "time_window" => "7d",
    "bucket"      => "1d",
    "series" => [
      { "label" => "requests", "column" => "rpm",      "agg" => "sum" },
      { "label" => "errors",   "column" => "errors",   "agg" => "sum" }
    ]
  }
end

.example_payload ⇒ Object 



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# File 'lib/tiler/widgets/line_chart.rb', line 115

def self.example_payload
  { "rpm" => 2_847, "errors" => 4 }
end

.example_preview ⇒ Object 



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# File 'lib/tiler/widgets/line_chart.rb', line 119

def self.example_preview
  {
    "labels" => %w[Mon Tue Wed Thu Fri Sat Sun],
    "datasets" => [
      { "label" => "requests",
        "data" => [ 1800, 2200, 2050, 2600, 2950, 2400, 2847 ],
        "borderColor" => "#3b82f6",
        "backgroundColor" => "#3b82f633",
        "tension" => 0.3, "fill" => false },
      { "label" => "errors×100",
        "data" => [ 12, 8, 15, 10, 5, 7, 4 ],
        "borderColor" => "#10b981",
        "backgroundColor" => "#10b98133",
        "tension" => 0.3, "fill" => false }
    ],
    "options" => {}
  }
end

.supports_color_config? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tiler/widgets/line_chart.rb', line 101

def self.supports_color_config?;   true; end

.supports_palette_config? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tiler/widgets/line_chart.rb', line 102

def self.supports_palette_config?; true; end

Instance Method Details

#empty?(data) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tiler/widgets/line_chart.rb', line 95

def empty?(data)
  return true if super
  data.nil? || data[:datasets].blank? ||
    data[:datasets].all? { |ds| Array(ds[:data]).all? { |v| v.nil? || v.zero? } }
end