Method: UIControl#on

Defined in:
lib/cha_work/sugar/uicontrol.rb

#on(*events, &block) ⇒ Object

Add event handlers to UIControls. See symbol.rb for the uicontrolevent constant aliases.

Examples:

button = UIButton.alloc.initWithFrame([0, 0, 10, 10])
button.on(:touch) { my_code }
button.on(:touch_up_outside, :touch_cancel) { my_code }
# up to two arguments can be passed in
button.on(:touch) { |sender,touch_event| my_code }


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# File 'lib/cha_work/sugar/uicontrol.rb', line 13

def on(*events, &block)
  handler = ChaWork::UIControlCallbackHelper.new(block)

  events.each do |event|
    event = event.uicontrolevent if event.respond_to?(:uicontrolevent)

    sugarcube_callbacks(event).push(handler)
    self.addTarget(handler, action:'call:event:', forControlEvents:event)
  end

  self
end