Class: RailsNewApp::MenuScreen

Inherits:
Screen
  • Object
show all
Defined in:
lib/rails-new-app/screens/menu_screen.rb

Instance Attribute Summary

Attributes inherited from Screen

#config

Instance Method Summary collapse

Methods inherited from Screen

#after_valid, #clean_input, clean_name, default, key, #process_user_input, #return_value, #validate_user_input

Constructor Details

#initialize(screens) ⇒ MenuScreen

Returns a new instance of MenuScreen.



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# File 'lib/rails-new-app/screens/menu_screen.rb', line 3

def initialize(screens)
  @screens = screens
  @current_page = 1
end

Instance Method Details

#get_screen(option) ⇒ Object 



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# File 'lib/rails-new-app/screens/menu_screen.rb', line 8

def get_screen(option)
  SCREENS.find { |x| x[:option] == option.to_s && x[:page] == @current_page }
end

#go_to_next_page ⇒ Object 



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# File 'lib/rails-new-app/screens/menu_screen.rb', line 40

def go_to_next_page
  @current_page += 1
end

#go_to_previous_page ⇒ Object 



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# File 'lib/rails-new-app/screens/menu_screen.rb', line 44

def go_to_previous_page
  @current_page -= 1
end

#next_step ⇒ Object 



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# File 'lib/rails-new-app/screens/menu_screen.rb', line 48

def next_step
  case @input
  when "0" then :review_and_confirm
  when "n"
    go_to_next_page
    :rerender
  when "p"
    go_to_previous_page
    :rerender
  else get_screen(@input)[:class].key
  end
end

#screen_text ⇒ Object 



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# File 'lib/rails-new-app/screens/menu_screen.rb', line 12

def screen_text
  [].tap do |ls|
    @screens.each do |s|
      next if s[:option].nil?
      next if s[:page] != @current_page

      screen_name = s[:class].clean_name
      ls << "#{s[:option]} : #{screen_name}"
    end
    ls << ""
    ls << "n : Next menu" if @current_page == 1
    ls << "p : Previous menu" if @current_page == 2
    ls << "0 : Review and confirm"
    ls << ""
    ls << "Type the number of the menu and press enter:"
  end.join("\n")
end

#valid?(input) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails-new-app/screens/menu_screen.rb', line 30

def valid?(input)
  case input
  when "0" then true
  when "n" then @current_page == 1
  when "p" then @current_page == 2
  when /\A\d\z/ then get_screen(input)
  else false
  end
end