Class: Umu::Selector

Inherits:
Object
  • Object
show all
Extended by:
Template
Defined in:
lib/umu/core/selector.rb

Constant Summary

Constants included from Color

Color::COLORS

Class Method Summary collapse

Methods included from Template

checker, cover, hover, pointer

Class Method Details

.checkbox(opts = [], content = '') ⇒ Object 



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# File 'lib/umu/core/selector.rb', line 32

def self.checkbox(opts = [], content = '')
  puts content
  options = opts.map(&:to_s)

  options.each_with_index do |x, idx|
    print pointer(idx.zero?)
    puts "( ) #{x}"
  end

  checkbox_interactive_menu(options)
end

.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

.radio(opts = [], content = '') ⇒ Object 



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# File 'lib/umu/core/selector.rb', line 9

def self.radio(opts = [], content = '')
  puts content
  options = opts.map(&:to_s)

  options.each_with_index do |x, idx|
    print pointer(idx.zero?)
    puts hover(idx.zero?, x)
  end
  radio_interactive_menu(options)
end

.radio_interactive_menu(options) ⇒ Object 



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# File 'lib/umu/core/selector.rb', line 45

def radio_interactive_menu(options)
  index = 0
  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 hover(idx == index, x)
        end
      else
        key = "esc: #{second_key}"
      end
    end
    next unless key == "\r"

    cover(options.size)
    return options[index]
  end
end

.single_choice(content = '') ⇒ Object 



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# File 'lib/umu/core/selector.rb', line 20

def self.single_choice(content = '')
  choice = radio(%w[Yes No], content)
  case choice
  when 'Yes'
    true
  when 'No'
    false
  else
    false
  end
end