Class: UIView

Inherits:
Object
  • Object
show all
Defined in:
lib/sugarcube/uiview.rb,
lib/sugarcube/to_s/uiview.rb

Instance Method Summary collapse

Instance Method Details

#<<(view) ⇒ Object 



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# File 'lib/sugarcube/uiview.rb', line 3

def <<(view)
  self.addSubview view
end

#_after_proc(after) ⇒ Object 



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# File 'lib/sugarcube/uiview.rb', line 17

def _after_proc(after)
  after ? proc  { |finished|
                  if after.arity == 0
                    after.call
                  else
                    after.call(finished)
                  end
                } : nil
end

#delta_to(delta, options = {}, &after) ⇒ Object 



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# File 'lib/sugarcube/uiview.rb', line 84

def delta_to(delta, options={}, &after)
  f = self.frame
  delta = SugarCube::CoreGraphics::Point(delta)
  position = SugarCube::CoreGraphics::Point(f.origin)
  move_to(position + delta, options, &after)
  self
end

#fade_in(options = {}, &after) ⇒ Object 



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# File 'lib/sugarcube/uiview.rb', line 50

def fade_in(options={}, &after)
  if options.is_a? Numeric
    duration = options
    options = {}
  else
    duration = options[:duration] || 0.3
  end

  options[:opacity] = 1.0
  fade_out(options, &after)
end

#fade_out(options = {}, &after) ⇒ Object

If options is a Numeric, it is used as the duration. Otherwise, duration is an option, and defaults to 0.3. All the transition methods work this way.



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# File 'lib/sugarcube/uiview.rb', line 30

def fade_out(options={}, &after)
  if options.is_a? Numeric
    duration = options
    options = {}
  else
    duration = options[:duration] || 0.3
  end

  after = _after_proc(after)

  UIView.animateWithDuration(duration,
                       delay: options[:delay] || 0,
                     options: options[:options] || UIViewAnimationOptionCurveLinear,
                  animations: proc{
                                self.layer.opacity = options[:opacity] || 0
                              }, completion:after
                            )
  self
end

#hide ⇒ Object 



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# File 'lib/sugarcube/uiview.rb', line 12

def hide
  self.hidden = true
  self
end

#move_to(position, options = {}, &after) ⇒ Object 



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# File 'lib/sugarcube/uiview.rb', line 62

def move_to(position, options={}, &after)
  if options.is_a? Numeric
    duration = options
    options = {}
  else
    duration = options[:duration] || 0.3
  end

  after = _after_proc(after)

  UIView.animateWithDuration(duration,
                       delay: options[:delay] || 0,
                     options: options[:options] || UIViewAnimationOptionCurveLinear,
                  animations: proc{
                                f = self.frame
                                f.origin = SugarCube::CoreGraphics::Point(position)
                                self.frame = f
                              }, completion:after
                            )
  self
end

#shake(options = {}) ⇒ Object 



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# File 'lib/sugarcube/uiview.rb', line 109

def shake(options={})
  if options.is_a? Numeric
    duration = options
    options = {}
  else
    duration = options[:duration] || 0.3
  end

  offset = options[:offset] || 8
  repeat = options[:repeat] || 3
  duration /= repeat
  keypath = options[:keypath] || 'transform.translation.x'

  origin = 0
  left = -offset
  right = +offset

  animation = CAKeyframeAnimation.animationWithKeyPath(keypath)
  animation.duration = duration
  animation.repeatCount = repeat
  animation.values = [origin, left, right, origin]
  animation.keyTimes = [0, 0.25, 0.75, 1.0]
  self.layer.addAnimation(animation, forKey:'shake')
  self
end

#show ⇒ Object 



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# File 'lib/sugarcube/uiview.rb', line 7

def show
  self.hidden = false
  self
end

#slide(direction, options = {}, &after) ⇒ Object 



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# File 'lib/sugarcube/uiview.rb', line 92

def slide(direction, options={}, &after)
  size = UIScreen.mainScreen.bounds.size
  case direction
  when :left
    delta_to([-size.width, 0], options, &after)
  when :right
    delta_to([+size.width, 0], options, &after)
  when :up
    delta_to([0, -size.height], options, &after)
  when :down
    delta_to([0, +size.height], options, &after)
  else
    raise "Unknown direction #{direction.inspect}"
  end
  self
end

#to_s ⇒ Object 



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# File 'lib/sugarcube/to_s/uiview.rb', line 3

def to_s
  "#{self.class.name}(##{self.object_id}, #{self.frame.inspect}, "\
                      "#{self.superview ? ' child of ' + self.superview.class.name + ' #' + self.superview.object_id.to_s : ''})"
end