Module: Seer::Chart

Included in:

AreaChart, BarChart, ColumnChart, Gauge, Geomap, LineChart, PieChart

Defined in:

lib/seer/chart.rb

Overview

Constant Summary

DEFAULT_COLORS =

['#324F69','#919E4B', '#A34D4D', '#BEC8BE']

DEFAULT_LEGEND_LOCATION =

'bottom'

DEFAULT_HEIGHT =

350

DEFAULT_WIDTH =

550

Instance Attribute Summary (collapse)

• - (Object) chart_element

  Returns the value of attribute chart_element.

• - (Object) colors

  Returns the value of attribute colors.

Instance Method Summary (collapse)

• - (Object) data_columns
• - (Object) formatted_colors
• - (Object) in_element=(elem)
• - (Object) options

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# File 'lib/seer/chart.rb', line 5

def chart_element
  @chart_element
end

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# File 'lib/seer/chart.rb', line 5

def colors
  @colors
end

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# File 'lib/seer/chart.rb', line 34

def data_columns
  _data_columns =  "            data.addRows(#{data_table.size});\r"
  _data_columns << "            data.addColumn('string', '#{label_method}');\r"
  _data_columns << "            data.addColumn('number', '#{data_method}');\r"
  _data_columns
end

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# File 'lib/seer/chart.rb', line 26

def formatted_colors
  if @colors.include?('darker')
    @colors
  else
    "[#{@colors.map{|color| "'#{color.gsub(/\#/,'')}'"} * ','}]"
  end
end

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# File 'lib/seer/chart.rb', line 12

def in_element=(elem)
  @chart_element = elem
end

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# File 'lib/seer/chart.rb', line 41

def options
  _options = ""
  nonstring_options.each do |opt|
    next unless self.send(opt)
    if opt == :colors
      _options << "            options['#{opt.to_s.camelize(:lower)}'] = #{self.send(:formatted_colors)};\r"
    else
      _options << "            options['#{opt.to_s.camelize(:lower)}'] = #{self.send(opt)};\r"
    end
  end
  string_options.each do |opt|
    next unless self.send(opt)
    _options << "            options['#{opt.to_s.camelize(:lower)}'] = '#{self.send(opt)}';\r"
  end
  _options
end