Module: Vedeu::Presentation::Colour

Included in:
Vedeu::Presentation
Defined in:
lib/vedeu/output/presentation/colour.rb

Overview

Provides colour related presentation behaviour.

Instance Method Summary collapse

Instance Method Details

#background ⇒ Vedeu::Colours::Background

When the background colour for the model exists, return it, otherwise returns the parent background colour, or an empty Vedeu::Colours::Background.

Returns:



14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/vedeu/output/presentation/colour.rb', line 14

def background
  @background ||= if colour
                    colour.background

                  elsif self.is_a?(Vedeu::Views::Char) && name
                    interface.colour.background

                  elsif parent
                    parent.background

                  else
                    Vedeu::Colours::Background.new

                  end
end

#background=(value) ⇒ Vedeu::Colours::Background

Allows the setting of the background colour by coercing the given value into a Vedeu::Colours::Background colour.

Returns:



34
35
36
37
38
 
# File 'lib/vedeu/output/presentation/colour.rb', line 34

def background=(value)
  @colour = Vedeu::Colours::Colour.coerce(
    background: Vedeu::Colours::Background.coerce(value),
    foreground: colour.foreground)
end

#colour ⇒ Vedeu::Colours::Colour

Returns:



41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
 
# File 'lib/vedeu/output/presentation/colour.rb', line 41

def colour
  @colour ||= if attributes[:colour]
                Vedeu::Colours::Colour.coerce(attributes[:colour])

              elsif self.is_a?(Vedeu::Views::Char) && name
                Vedeu::Colours::Colour.coerce(interface.colour)

              elsif parent
                Vedeu::Colours::Colour.coerce(parent.colour)

              else
                Vedeu::Colours::Colour.new

              end
end

#colour=(value) ⇒ Vedeu::Colours::Colour

Allows the setting of the model’s colour by coercing the given value into a Vedeu::Colours::Colour.

Returns:



61
62
63
 
# File 'lib/vedeu/output/presentation/colour.rb', line 61

def colour=(value)
  @colour = attributes[:colour] = Vedeu::Colours::Colour.coerce(value)
end

#foreground ⇒ Vedeu::Colours::Foreground

When the foreground colour for the model exists, return it, otherwise returns the parent foreground colour, or an empty Vedeu::Colours::Foreground.

Returns:



70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
# File 'lib/vedeu/output/presentation/colour.rb', line 70

def foreground
  @foreground ||= if colour
                    colour.foreground

                  elsif self.is_a?(Vedeu::Views::Char) && name
                    interface.colour.background

                  elsif parent
                    parent.foreground

                  else
                    Vedeu::Colours::Foreground.new

                  end
end

#foreground=(value) ⇒ Vedeu::Colours::Foreground

Allows the setting of the foreground colour by coercing the given value into a Vedeu::Colours::Foreground colour.

Returns:



90
91
92
93
94
 
# File 'lib/vedeu/output/presentation/colour.rb', line 90

def foreground=(value)
  @colour = attributes[:colour] = Vedeu::Colours::Colour.coerce(
    background: colour.background,
    foreground: Vedeu::Colours::Foreground.coerce(value))
end