Class: MakeMenu::FieldSet

Inherits:
Object
  • Object
show all
Defined in:
lib/make_menu/field_set.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FieldSet

Returns a new instance of FieldSet.



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# File 'lib/make_menu/field_set.rb', line 3

def initialize
  @fields = []
  @max_widths = {}
end

Instance Method Details

#add(label = '', value_from_file: nil, color: :normal, none: '[none]'.dark, &block) ⇒ Object 



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# File 'lib/make_menu/field_set.rb', line 43

def add(label = '', value_from_file: nil, color: :normal, none: '[none]'.dark, &block)
  if value_from_file
    block = lambda do
      if File.exists? value_from_file
        return File.read(value_from_file).strip.color(color)
      else
        return none
      end
    end
  end

  @fields << {
    label: label,
    handler: block
  }
end

#build ⇒ Object 



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# File 'lib/make_menu/field_set.rb', line 29

def build
  @max_widths[:label] = 0
  @max_widths[:value] = 0

  @fields.each do |field|
    label = field[:label]
    value = field[:value] = field[:handler].call
    label_width = label.decolor.size
    value_width = value.decolor.size
    @max_widths[:label] = label_width if label_width > @max_widths[:label]
    @max_widths[:value] = value_width if value_width > @max_widths[:value]
  end
end

#display ⇒ Object 



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# File 'lib/make_menu/field_set.rb', line 8

def display
  build
  @fields.each do |field|
    label_cell = field[:label]
                   .align(
                     :right,
                     width: @max_widths[:label]
                   )

    value_cel = field[:value]
                  .align(
                    :left,
                    width: @max_widths[:value],
                    pad_right: true
                  )

    puts "#{label_cell}#{value_cel}".align(:center)
  end
  puts
end