Class: FnordMetric::TimelineWidget

Inherits:
Widget
  • Object
show all
Defined in:
lib/fnordmetric/timeline_widget.rb

Instance Attribute Summary

Attributes inherited from Widget

#gauges, #tick

Instance Method Summary collapse

Methods inherited from Widget

#add_gauges, #default_range, #ensure_has_tick!, #error!, #include_current?, #initialize, #range, #render, #ticks, #title, #token

Constructor Details

This class inherits a constructor from FnordMetric::Widget

Instance Method Details

#data ⇒ Object 



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# File 'lib/fnordmetric/timeline_widget.rb', line 24

def data
  @series_colors = ["#FACE4F", "#42436B", "#CD645A", "#2F635E"]

  super.merge(
    :labels => data_labels,
    :series => data_series
  )
end

#data_labels ⇒ Object 



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# File 'lib/fnordmetric/timeline_widget.rb', line 3

def data_labels
  ticks.map do |t|
    Time.at(t).strftime('%d.%m.%y %H:%M')
  end
end

#data_series ⇒ Object 



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# File 'lib/fnordmetric/timeline_widget.rb', line 9

def data_series
  gauges.map do |gauge|
    { 
      :color => next_series_colour,
      :data => ticks.map{ |t| gauge.value_at(t)||0 }
    }
  end
end

#has_tick? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fnordmetric/timeline_widget.rb', line 33

def has_tick?
  true
end

#next_series_colour ⇒ Object 



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# File 'lib/fnordmetric/timeline_widget.rb', line 18

def next_series_colour
  @series_colors.pop.tap do |color|
    @series_colors.unshift(color)
  end
end