Class: Wee::AnswerDecoration

Inherits:
Decoration show all
Defined in:
lib/wee/call_answer.rb

Overview

A Wee::AnswerDecoration is wrapped around a component that will call Component#answer. This makes it possible to use such components without the need to call them (Component#call), e.g. as child components of other components.

Defined Under Namespace

Classes: Answer

Instance Attribute Summary collapse

Attributes inherited from Decoration

#next

Instance Method Summary collapse

Methods inherited from Decoration

#global?, #render_on, #render_presenter_on, #state

Methods inherited from Presenter

#render, #render_on, #renderer_class, #state

Constructor Details

#initialize(&answer_callback) ⇒ AnswerDecoration

Returns a new instance of AnswerDecoration.



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# File 'lib/wee/call_answer.rb', line 21

def initialize(&answer_callback)
  super()
  @answer_callback = answer_callback
end

Instance Attribute Details

#answer_callback ⇒ Object

Returns the value of attribute answer_callback.



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# File 'lib/wee/call_answer.rb', line 19

def answer_callback
  @answer_callback
end

Instance Method Details

#process_callbacks(callbacks) ⇒ Object

When a component answers, @answer_callback.call(answer) will be executed, where answer is of class Answer which includes the arguments passed to Component#answer.



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# File 'lib/wee/call_answer.rb', line 31

def process_callbacks(callbacks)
  begin
    super
  rescue Answer => answer
    # return to the calling component 
    @answer_callback.call(answer)
  end
end