Contents

require 'readline'
require 'wlog/domain/sys_config'

module Wlog
# Ui to manage configuration settings
# @author Simon Symeonidis
class ConfigurationUi

  # Default init
  def initialize
    @strmaker = SysConfig.string_decorator
  end

  # launch the ui
  def run
    cmd = "default"
    label = @strmaker.yellow('config')
    until cmd == "end" do
      cmd = Readline.readline("[#{label}] ") || "end"
      cmd.chomp!

      case cmd
      when /^show/ then show_configurations
      when /^set/  then set(cmd)
      when /^help/ then help
      end
    end
  end

private

  # This should show the configurations
  def show_configurations
    SysConfig.read_attributes.each do |name, value|
      puts "%s %s" % [@strmaker.green(name), value]
    end
  end

  # Simply, to show the possible actions on this particular Ui
  def help
    Commands.each_pair do |k,v|
      puts k
      puts "  #{v}"
    end
  end

  # Set a value to something else
  def set(cmd)
    arr = cmd.split
    if arr.size != 3
      puts "Wrong number of arguments"
      return
    end
    cmd, key, value = arr
    SysConfig.store_config(key, value)
  end

  Commands = {
    'show' => 'shows the current configurations',
    'set <key> <value>' => 'set the configuration pair'}
end
end # module wlog

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
wlog-1.2.2	lib/wlog/ui/configuration_ui.rb