Module: Vedeu::Presentation

Includes:
Colour, Styles
Included in:
Borders::Border, Models::Interface, Null::Interface, Null::View, Views::Char, Views::Composition, Views::Line, Views::Stream, Views::View
Defined in:
lib/vedeu/output/presentation/presentation.rb,
lib/vedeu/output/presentation/style.rb,
lib/vedeu/output/presentation/colour.rb,
lib/vedeu/output/presentation/styles.rb

Overview

This module allows the sharing of presentation concerns between the models: Interface, View, Line and Stream.

Defined Under Namespace

Modules: Colour, Styles Classes: Style

Instance Method Summary collapse

Methods included from Styles

#style, #style=

Methods included from Colour

#background, #background=, #colour, #colour=, #foreground, #foreground=

Instance Method Details

#render_colour ⇒ String (private)

Renders the colour attributes of the receiver and yields (to then render the styles).



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# File 'lib/vedeu/output/presentation/presentation.rb', line 31

def render_colour
  "#{colour}#{yield}"
end

#render_position ⇒ String (private) 



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# File 'lib/vedeu/output/presentation/presentation.rb', line 36

def render_position
  if self.respond_to?(:position) &&
     position.is_a?(Vedeu::Geometry::Position)
    position.to_s { yield }

  else
    yield

  end
end

#render_style ⇒ String (private)

Renders the style attributes of the receiver and yields (to then render the next model, or finally, the content).



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# File 'lib/vedeu/output/presentation/presentation.rb', line 51

def render_style
  "#{style}#{yield}"
end

#to_s ⇒ String Also known as: to_str

Converts the colours and styles to escape sequences, and when the parent model has previously set the colour and style, reverts back to that for consistent formatting.



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# File 'lib/vedeu/output/presentation/presentation.rb', line 20

def to_s
  render_position { render_colour { render_style { value } } }
end