Class: RubyJard::Screens

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/ruby_jard/screens.rb,
lib/ruby_jard/screens/menu_screen.rb,
lib/ruby_jard/screens/source_screen.rb,
lib/ruby_jard/screens/threads_screen.rb,
lib/ruby_jard/screens/backtrace_screen.rb,
lib/ruby_jard/screens/variables_screen.rb

Overview

Screen registry. The screens call add_screen right after they are declared.

Defined Under Namespace

Classes: BacktraceScreen, MenuScreen, SourceScreen, ThreadsScreen, VariablesScreen

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Screens

Returns a new instance of Screens.



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# File 'lib/ruby_jard/screens.rb', line 18

def initialize
  @screen_registry = {}
end

Class Method Details

.instance ⇒ Object 



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# File 'lib/ruby_jard/screens.rb', line 13

def instance
  @instance ||= new
end

Instance Method Details

#[](name) ⇒ Object Also known as: get 



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# File 'lib/ruby_jard/screens.rb', line 30

def [](name)
  @screen_registry[name.to_s]
end

#add_screen(name, screen_class) ⇒ Object 



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# File 'lib/ruby_jard/screens.rb', line 22

def add_screen(name, screen_class)
  unless screen_class < RubyJard::Screen
    raise RubyJard::Error, "#{screen_class} must implement, and inherit from #{RubyJard::Screen}"
  end

  @screen_registry[name.to_s] = screen_class
end

#names ⇒ Object 



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# File 'lib/ruby_jard/screens.rb', line 35

def names
  @screen_registry.keys.sort.dup
end