Module: Menu

Included in:
DiscreteMath
Defined in:
lib/modules/menus/menu.rb

Constant Summary collapse

EXIT_MAIN_MENU_OPTIONS = 
["3"]

Class Method Summary collapse

Class Method Details

.exit ⇒ Object 



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# File 'lib/modules/menus/menu.rb', line 12

def self.exit
  puts "\nThank you for trying Discrete Math Demo"
  Kernel.exit(false)
end

.request_input_for_menu(menu_kind) ⇒ Object 



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# File 'lib/modules/menus/menu.rb', line 17

def self.request_input_for_menu(menu_kind)
  MenuHelpers.clear
  MenuHelpers.show_menu_for_menu_kind(menu_kind)
  puts 'Enter a number: '
end

.show_choices_main_menu ⇒ Object 



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# File 'lib/modules/menus/menu.rb', line 35

def self.show_choices_main_menu
  Menu.request_input_for_menu("main")

  user_input = ""
  while not EXIT_MAIN_MENU_OPTIONS.include? user_input
    user_input = gets.chomp
    case user_input
      when "1"
        SubmenuDemo.show_choices_sub_menu
      when "2"
        SubmenuHelp.show_choices_sub_menu
      when "3"
        Menu.exit
      else
        MenuHelpers.validate_input_for_menu_kind("main")
        Menu.show_choices_main_menu
    end
  end
end

.show_greeting ⇒ Object 



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# File 'lib/modules/menus/menu.rb', line 8

def self.show_greeting
  puts "Welcome to Discrete Math Demo\nEnter a number to navigate"
end

.show_main_menu ⇒ Object 



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# File 'lib/modules/menus/menu.rb', line 23

def self.show_main_menu
  table = MenuHelpers.terminal_table do |t|
    t.title = Menu.show_greeting
    t.add_row [1, 'Demos']
    t.add_row [2, 'Help']
    t.add_row [3, 'Exit']
    t.style = { all_separators: true }
  end
  puts table
  puts ''
end