module IronNails

  module View

    # Encapsulates commands that will be attached to elements in the views.
    class EventCommand < Command

      # the name of the event that will trigger the action
      attr_accessor :trigger

      # the name of the element that will trigger the action
      attr_accessor :element

      # the name of the on which this command needs to be invoked
      attr_accessor :affinity

      alias_method :nails_base_command_read_options, :read_options

      def read_options(options)
        nails_base_command_read_options options
        raise ArgumentException.new("An element name is necesary") if options[:element].nil?

        @trigger = options[:event]||:click
        @element = options[:element]
        @affinity = options[:affinity]
      end

    end

  end

end