Method: Umu::Selector.checkbox_interactive_menu

Defined in:
lib/umu/core/selector.rb

.checkbox_interactive_menu(options) ⇒ Object 



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# File 'lib/umu/core/selector.rb', line 77

def checkbox_interactive_menu(options)
  return [] if options.empty?

  index = 0
  ary = []
  while (key = $stdin.getch) != "\C-c"
    if key == "\e"
      second_key = $stdin.getch

      if second_key == '['
        key = $stdin.getch
        case key
        when 'A', 'D'
          index -= 1 if index != 0
        when 'B', 'C'
          index += 1 if index < (options.size - 1)
        else
          "esc: [#{key}"
        end
        puts "\e[#{options.size + 1}A"
        options.each_with_index do |x, idx|
          print pointer(idx == index)
          puts checker(ary.include?(idx), x)
        end
      else
        key = "esc: #{second_key}"
      end
    end
    if key == ' '
      ary.include?(index) ? ary.delete(index) : (ary << index)
      puts "\e[#{options.size + 1}A"
      options.each_with_index do |x, idx|
        print pointer(idx == index)
        puts checker(ary.include?(idx), x)
      end
    end
    next unless key == "\r"

    check_items = ary.sort.map { |x| options[x] }
    cover(options.size)
    return check_items
  end
end