Class: Vedeu::Null::Generic

Inherits:

Object

• Object
• Vedeu::Null::Generic

Defined in:

lib/vedeu/null/generic.rb

Overview

Provides a non-existent model to swallow messages.

Direct Known Subclasses

Buffers::Null, Geometry::Null, Interfaces::Null, Menus::Null, View

Instance Attribute Summary

• #attributes ⇒ String readonly
• #name ⇒ String|Symbol readonly

Instance Method Summary

• #falsy ⇒ FalseClass (also: #centred, #enabled?, #maximise, #maximised?, #unmaximise, #visible, #visible?)
• #initialize(attributes = {}) ⇒ Vedeu::Null::Generic constructor

  Returns an instance of the Vedeu::Null::Generic class.

• #null ⇒ NilClass (also: #add, #bottom_item, #clear, #colour, #current_item, #deselect_item, #hide, #item, #items, #next_item, #parent, #prev_item, #render, #select_item, #selected_item, #show, #style, #toggle, #top_item, #view, #zindex)
• #null? ⇒ Boolean
• #store ⇒ Vedeu::Null::Generic
• #visible= ⇒ FalseClass

Constructor Details

#initialize(attributes = {}) ⇒ Vedeu::Null::Generic

Returns an instance of the Vedeu::Null::Generic class.

Parameters:

• attributes (Hash<Symbol => void>) (defaults to: {})

Options Hash (attributes):

• name (String|Symbol|NilClass)

# File 'lib/vedeu/null/generic.rb', line 22

def initialize(attributes = {})
  @attributes = attributes
  @name       = @attributes.fetch(:name, '')
end

Instance Attribute Details

#attributes ⇒ String (readonly)

Returns:

• (String)

# File 'lib/vedeu/null/generic.rb', line 11

def attributes
  @attributes
end

#name ⇒ String|Symbol (readonly)

Returns:

• (String|Symbol)

# File 'lib/vedeu/null/generic.rb', line 15

def name
  @name
end

Instance Method Details

#falsy ⇒ FalseClass Also known as: centred, enabled?, maximise, maximised?, unmaximise, visible, visible?

Returns:

• (FalseClass)

# File 'lib/vedeu/null/generic.rb', line 28

def falsy
  false
end

#null ⇒ NilClass Also known as: add, bottom_item, clear, colour, current_item, deselect_item, hide, item, items, next_item, parent, prev_item, render, select_item, selected_item, show, style, toggle, top_item, view, zindex

Returns:

• (NilClass)

# File 'lib/vedeu/null/generic.rb', line 40

def null(*)
  nil
end

#null? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/vedeu/null/generic.rb', line 66

def null?
  true
end

#store ⇒ Vedeu::Null::Generic

Returns:

• (Vedeu::Null::Generic)

# File 'lib/vedeu/null/generic.rb', line 71

def store
  self
end

#visible= ⇒ FalseClass

Returns:

• (FalseClass)

# File 'lib/vedeu/null/generic.rb', line 76

def visible=(*)
  false
end