Class: Uttk::Filters::Filter
- Inherits:
-
Logger::Backend
- Object
- Logger::Backend
- Uttk::Filters::Filter
- Includes:
- Abstract, Observable
- Defined in:
- lib/uttk/filters/Filter.rb
Overview
FIXME: document me
Direct Known Subclasses
Class Method Summary collapse
Instance Method Summary collapse
-
#initialize(observers = [], options = nil) ⇒ Filter
constructor
A new instance of Filter.
- #notif(*args) ⇒ Object
Methods inherited from Logger::Backend
Constructor Details
#initialize(observers = [], options = nil) ⇒ Filter
Returns a new instance of Filter.
22 23 24 25 26 27 28 29 |
# File 'lib/uttk/filters/Filter.rb', line 22 def initialize ( observers=[], =nil ) @options = .merge( || {}) observers.each do |obs| raise ObserverError, obs unless obs.respond_to? :update add_observer(obs) end super() end |
Class Method Details
.composition(*desc) ⇒ Object
36 37 38 39 40 41 42 43 44 45 46 47 |
# File 'lib/uttk/filters/Filter.rb', line 36 def self.composition ( *desc ) class_eval do @@desc = desc def initialize ( *a, &b ) super() Filters[*@@desc].each do |obs| raise ObserverError, obs unless obs.respond_to? :update add_observer(obs) end end end end |
Instance Method Details
#notif(*args) ⇒ Object
31 32 33 34 |
# File 'lib/uttk/filters/Filter.rb', line 31 def notif ( *args ) changed notify_observers(*args) end |