Class: Plot::Mark

Inherits:
Object
  • Object
show all
Defined in:
lib/plot/mark.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type, **options) ⇒ Mark

Returns a new instance of Mark.



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# File 'lib/plot/mark.rb', line 58

def initialize(type, **options)
    @type = type
    @options = options
end

Instance Attribute Details

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/plot/mark.rb', line 56

def options
  @options
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/plot/mark.rb', line 56

def type
  @type
end

Instance Method Details

#add_option(k, v) ⇒ Object 



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# File 'lib/plot/mark.rb', line 63

def add_option(k, v)
    @options[k.to_s] = v
end

#render(data) ⇒ Object 



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# File 'lib/plot/mark.rb', line 68

def render(data)
    @options.values do |o|
        if o.try(:value).try(:lambda?)
            output = []
            data.each? do |obj|
                output.push(o.call(obj))
            end

            o.value = output
        end

        if o.try(:transform).try(:lambda?)
            o.value = o.transform.call(data).to_a
            o.transform = nil
        end
    end

    data.each do |d|
        d.each do |k,v|
            if v.class == Date then
                d[k] = {
                    date: true,
                    string: v.to_s
                }
            end
        end
    end

    "Plot['#{@type}'](JSON.parse(`#{JSON.generate(data)}`).map((obj) => { Object.keys(obj).forEach((k) => { if (obj[k].date) { obj[k] = new Date(Date.parse(obj[k].string)) } } ); return obj; }), JSON.parse('#{JSON.generate(@options)}'))"
end