Module: Yuyi::Ui

Included in:
Yuyi
Defined in:
lib/yuyi/ui.rb

Constant Summary collapse

@@required = 
{}

Instance Method Summary collapse

Instance Method Details

#authenticate ⇒ Object 



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# File 'lib/yuyi/ui.rb', line 67

def authenticate
  say 'Yuyi does not need your admin password, but some installations do.', :type => :warn
  say 'Yuyi will prompt you for a password and attempt to keep your admin timestamp alive.', :type => :warn
  say 'You may be asked to enter your password several times.', :type => :warn
  say

  # keep the sudo timestamp fresh just in case
  `sudo -v`
  Thread.new do
    loop do
      sleep 60
      `sudo -v`
    end
  end
end

#confirm_options ⇒ Object

If any rolls on the menu have options, confirm the options before continuing



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# File 'lib/yuyi/ui.rb', line 24

def confirm_options
  confirm = false
  Yuyi::Menu.rolls.values.each do |roll|
    unless roll.class.options.empty?
      present_options roll
      confirm = true
    end
  end

  if confirm
    required_options_satisfied = false

    until required_options_satisfied
      say 'Your menu is being loaded from: ', :type => :warn, :newline => false
      say Yuyi::Menu.menu_path
      ask 'Make any neccessary changes to it, then press enter to continue.', :type => :warn do
        Yuyi::Menu.load_from_file
      end

      # check that required options are satisfied
      catch :required_options_satisfied do
        @@required.each do |roll, required_options|
          required_options.each do |required_option|
            if Yuyi::Menu.options(roll)[required_option]
              next
            else
              say 'Required option ', :type => :fail, :newline => false
              say required_option, :newline => false
              say ' for ', :type => :fail, :newline => false
              say roll, :newline => false
              say ' is not set', :type => :fail
              say
              throw :required_options_satisfied
            end
          end
        end

        required_options_satisfied = true
      end
    end
  end
end

#header ⇒ Object 



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# File 'lib/yuyi/ui.rb', line 4

def header
  line_length = 50
  say
  say '-' * line_length, :color => :light_blue
  say
  say '____    ____  __    __  ____    ____  __  ',  :justify => :center, :padding => line_length, :color => :red
  say '\   \  /   / |  |  |  | \   \  /   / |  | ',  :justify => :center, :padding => line_length, :color => :light_white
  say ' \   \/   /  |  |  |  |  \   \/   /  |  | ',  :justify => :center, :padding => line_length, :color => :light_blue
  say '  \_    _/   |  |  |  |   \_    _/   |  | ',  :justify => :center, :padding => line_length, :color => :red
  say '    |  |     |  `--\'  |     |  |     |  | ', :justify => :center, :padding => line_length, :color => :light_white
  say '    |__|      \______/      |__|     |__| ',  :justify => :center, :padding => line_length, :color => :light_blue
  say
  say "VERSION #{Yuyi::VERSION}", :justify => :center, :padding => line_length
  say
  say '-' * line_length, :color => :light_blue
  say
end

#present_options(roll, examples = true) ⇒ Object

Show formatted options



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# File 'lib/yuyi/ui.rb', line 85

def present_options roll, examples = true
  indent = 2
  longest_option = roll.options.keys.map(&:to_s).max_by(&:length).length + indent

  say "#{roll.title} options", :color => :green

  roll.option_defs.each do |k, v|
    if v[:required]
      # add to required list
      @@required[roll.file_name] ||= []
      @@required[roll.file_name] << k

      option_color = :red
    else
      option_color = :default
    end

    # show option and description
    say "#{k.to_s.rjust(longest_option)}: ", :color => option_color, :newline => false
    say v[:description]

    # show default
    if v[:default] && (!v[:default].respond_to?(:empty?) || (v[:default].respond_to?(:empty?) && !v[:default].empty?))
      say 'default: ', :indent => (longest_option + indent), :newline => false, :color => :yellow
      say v[:default]
    end
  end

  if examples
    examples_hash = {}
    options = roll.options.dup

    # merge examples from roll source in
    options.each do |option, value|
      if example = roll.option_defs[option][:example]
        options[option] = example
      end
    end

    examples_hash[roll.file_name.to_s] = options

    say
    say 'Example', :color => :green, :indent => indent, :newline => false
    say examples_hash.deep_stringify_keys!.to_yaml.sub('---', '').gsub(/\n(\s*)/, "\n\\1#{' ' * (indent + indent)}")
  end
end