Class: RSwing::Components::Listener

Inherits:
Object
  • Object
show all
Defined in:
lib/rswing/components/listener.rb

Class Method Summary collapse

Class Method Details

.create(listener_interface, methodname, &block) ⇒ Object

Creates a Listener-Class of the given listener_interface (Java Listener Interface) which has all interface methods implemented empty exceptt the one specified by methodname. Its method-body gets filled by the given block. Finally returns a new instance of this dynamically created Listener-Class.



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# File 'lib/rswing/components/listener.rb', line 27

def self.create(listener_interface, methodname, &block)
  listener_class = Class.new() do
    include listener_interface
    implement listener_interface
    def initialize(methodname, &block)
      self.class.instance_eval do
        define_method(methodname, &block)
      end
    end
  end
  # return new instance of listener_class
  listener_class.new(methodname, &block)
end