Class: Palaver::Checklist

Inherits:
ListWithOptions show all
Defined in:
lib/palaver/checklist.rb

Instance Method Summary collapse

Methods inherited from ListWithOptions

#list_height, #option, #options_string_no_status, #options_string_with_status

Methods inherited from Base

#height, #text, #width, #with_tempfile

Constructor Details

#initialize(options) ⇒ Checklist

Returns a new instance of Checklist.



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# File 'lib/palaver/checklist.rb', line 8

def initialize(options)
  super(options)
end

Instance Method Details

#show ⇒ Object 



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# File 'lib/palaver/checklist.rb', line 12

def show
  choices = nil
  with_tempfile do |fname|
    cmd = "dialog --checklist '#@text' #@height #@width #@list_height #{options_string_with_status} 2> #{fname}"
    success = system cmd
    if success then
      choices = File.read(fname).split(" ").map { |s| s[1..-2] }
    end
  end
  return choices
end