Module: GoogleChart::LineStyle

Included in:
LineChart
Defined in:
lib/google_chart/line_style.rb

Constant Summary collapse

@@styles = 
{ :solid => [1,1,0], :dash => [1,3,2], :dot => [1,1,2] }
@@default_style = 
:solid
@@default_width = 
1

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(klass) ⇒ Object 



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# File 'lib/google_chart/line_style.rb', line 4

def self.included(klass)
  klass.register!(:style)
end

Instance Method Details

#style ⇒ Object 



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# File 'lib/google_chart/line_style.rb', line 21

def style
  @style ||= []
  @width ||= []
  
  # Pad @style and @width with defaults until they are equal in length
  (@style.size - @width.size).times { @width << @@default_width }
  (@width.size - @style.size).times { @style << @@default_style }
  
  unless @style.empty?
    'chls=' + (0...@style.size).map {|i|
      @@styles[@style[i]].map {|n| n * @width[i] }.join(',')
    }.join('|')
  end
end

#style=(style) ⇒ Object 



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# File 'lib/google_chart/line_style.rb', line 13

def style=(style)
  @style = [style].flatten
end

#width=(width) ⇒ Object 



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# File 'lib/google_chart/line_style.rb', line 17

def width=(width)
  @width = [width].flatten
end