playing with RubyMotion

block_alert.rb

class BlockAlert

  def initWithTitle(title, message:message)
    @alert = UIAlertView.alloc.initWithTitle(title, message:message, delegate:self, cancelButtonTitle:nil, otherButtonTitles:nil)
    @blocks = []
    self
  end

  def show
    @alert.show()
  end

  def dismissAnimated(animated)
    @alert.dismissWithClickedButtonIndex(-1, animated:animated)
  end

  def addButtonWithTitle(title, block:block)
    block = lambda {} if !block
    @alert.addButtonWithTitle(title)
    @blocks << block
  end

  def alertView(alertView, didDismissWithButtonIndex:buttonIndex)
    if buttonIndex >= 0 && buttonIndex < @blocks.size
      @blocks[buttonIndex].call()
    end
  end
end