Class: Strobe::CLI::Input::Menu

Inherits:
Object
  • Object
show all
Defined in:
lib/strobe/cli/input.rb

Defined Under Namespace

Classes: NoSuchOptionError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input) ⇒ Menu

Returns a new instance of Menu.



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# File 'lib/strobe/cli/input.rb', line 9

def initialize(input)
  @input = input
  @choices = []
  @actions = {}
end

Instance Attribute Details

#actions ⇒ Object (readonly)

Returns the value of attribute actions.



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# File 'lib/strobe/cli/input.rb', line 7

def actions
  @actions
end

#choices ⇒ Object (readonly)

Returns the value of attribute choices.



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# File 'lib/strobe/cli/input.rb', line 7

def choices
  @choices
end

#input ⇒ Object (readonly)

Returns the value of attribute input.



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# File 'lib/strobe/cli/input.rb', line 7

def input
  @input
end

Instance Method Details

#ask ⇒ Object 



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# File 'lib/strobe/cli/input.rb', line 26

def ask
  display

  begin
    input.print "?  "

    option = input.gets.strip.to_i
    if option < 1 || option > choices.length
      input.puts "Please enter a number between 1 and #{choices.length}"
      raise NoSuchOptionError
    end

    actions[choices[option - 1]].call
  rescue NoSuchOptionError
    retry
  end
end

#choice(name, &block) ⇒ Object 



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# File 'lib/strobe/cli/input.rb', line 15

def choice(name, &block)
  choices << name
  actions[name] = block
end

#display ⇒ Object 



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# File 'lib/strobe/cli/input.rb', line 20

def display
  choices.each_with_index do |choice, i|
    input.puts "#{i+1}. #{choice}"
  end
end