Class: Chart::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/chart/base.rb

Direct Known Subclasses

Bar, GroupedBar, Line, Pie

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Base

Initialize a new chart object. Specify the chart attributes by providing a hash.



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# File 'lib/chart/base.rb', line 90

def initialize(options={})
  defaults!
  options.each {|name, value| send("#{name}=", value)}
  instantiate
end

Instance Attribute Details

#angle ⇒ Object

Set the angle



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# File 'lib/chart/base.rb', line 77

def angle
  @angle
end

#colors ⇒ Object

Set bar colors



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# File 'lib/chart/base.rb', line 47

def colors
  @colors
end

#data ⇒ Object

Set the chart data



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# File 'lib/chart/base.rb', line 38

def data
  @data
end

#extra_fields ⇒ Object

Set extra fields for labels



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# File 'lib/chart/base.rb', line 80

def extra_fields
  @extra_fields
end

#height ⇒ Object

Set the chart height



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# File 'lib/chart/base.rb', line 29

def height
  @height
end

#inside ⇒ Object

Display label value inside bars (true|false)



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# File 'lib/chart/base.rb', line 83

def inside
  @inside
end

#label_format ⇒ Object

Set label format



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# File 'lib/chart/base.rb', line 62

def label_format
  @label_format
end

#labels ⇒ Object

Labels attribute reader



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# File 'lib/chart/base.rb', line 108

def labels
  @labels
end

#legend ⇒ Object

Legend attribute reader



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# File 'lib/chart/base.rb', line 113

def legend
  @legend
end

#line_width ⇒ Object

Set line width



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# File 'lib/chart/base.rb', line 71

def line_width
  @line_width
end

#margins ⇒ Object

Set the chart left-top margins



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# File 'lib/chart/base.rb', line 44

def margins
  @margins
end

#multicolor ⇒ Object

Set if bar is multicolor



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# File 'lib/chart/base.rb', line 50

def multicolor
  @multicolor
end

#object ⇒ Object

The ChartDirector object



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# File 'lib/chart/base.rb', line 86

def object
  @object
end

#plot_area ⇒ Object

Set the plot area



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

def plot_area
  @plot_area
end

#plot_top_margin ⇒ Object

Set plot top margin



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# File 'lib/chart/base.rb', line 53

def plot_top_margin
  @plot_top_margin
end

#position ⇒ Object

Set position



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# File 'lib/chart/base.rb', line 56

def position
  @position
end

#radius ⇒ Object

Set radius



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# File 'lib/chart/base.rb', line 59

def radius
  @radius
end

#style ⇒ Object

Set style



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# File 'lib/chart/base.rb', line 65

def style
  @style
end

#symbols ⇒ Object

Set line symbols



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# File 'lib/chart/base.rb', line 74

def symbols
  @symbols
end

#width ⇒ Object

Set width



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

def width
  @width
end

Instance Method Details

#helper ⇒ Object

Wrapper to the ActionView helpers



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# File 'lib/chart/base.rb', line 103

def helper
  Helper.instance
end

#write(path) ⇒ Object

Save the chart image to the specified path



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# File 'lib/chart/base.rb', line 97

def write(path)
  generate
  @object.makeChart(path)
end