Class: Vedeu::Borders::Null

Inherits:
Object
  • Object
show all
Defined in:
lib/vedeu/borders/null.rb

Overview

Provides a non-existent Vedeu::Borders::Border that acts like the real thing, but does nothing.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

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

Returns a new instance of Vedeu::Borders::Null.

Options Hash (attributes):

  • name (String|NilClass) 


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# File 'lib/vedeu/borders/null.rb', line 19

def initialize(attributes = {})
  @attributes = attributes
  @name       = @attributes[:name]
end

Instance Attribute Details

#name ⇒ String|NilClass (readonly) 



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# File 'lib/vedeu/borders/null.rb', line 12

def name
  @name
end

Instance Method Details

#bx ⇒ Fixnum Also known as: x 



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# File 'lib/vedeu/borders/null.rb', line 25

def bx
  geometry.x
end

#bxn ⇒ Fixnum Also known as: xn 



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# File 'lib/vedeu/borders/null.rb', line 31

def bxn
  geometry.xn
end

#by ⇒ Fixnum Also known as: y 



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# File 'lib/vedeu/borders/null.rb', line 37

def by
  geometry.y
end

#byn ⇒ Fixnum Also known as: yn 



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# File 'lib/vedeu/borders/null.rb', line 43

def byn
  geometry.yn
end

#enabled? ⇒ FalseClass

The null border should not be enabled, so that named geometry or null geometry is used.



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# File 'lib/vedeu/borders/null.rb', line 52

def enabled?
  false
end

#geometry ⇒ Object (private)

Returns the geometry for the interface.



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# File 'lib/vedeu/borders/null.rb', line 81

def geometry
  @geometry ||= Vedeu.geometries.by_name(name)
end

#height ⇒ Fixnum 



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# File 'lib/vedeu/borders/null.rb', line 57

def height
  (by..byn).size
end

#null? ⇒ Boolean 



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# File 'lib/vedeu/borders/null.rb', line 62

def null?
  true
end

#render ⇒ Array 



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# File 'lib/vedeu/borders/null.rb', line 67

def render
  []
end

#width ⇒ Fixnum 



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# File 'lib/vedeu/borders/null.rb', line 72

def width
  (bx..bxn).size
end