Sha256: c20acdcbf8c3ac8892ac23823f9fa30927ca205b3dec29f39a7b5d6ace834247
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Versions: 7
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Contents
# @requires MotionKit::Calculator
# @requires module:MotionKit::OriginCalculator
# @requires module:MotionKit::SizeCalculator
# @requires module:MotionKit::FrameCalculator
# @provides MotionKit::ViewCalculator
module MotionKit
class ViewCalculator
extend MotionKit::OriginCalculator
extend MotionKit::SizeCalculator
extend MotionKit::FrameCalculator
def self.calculate(view, dimension, amount, full_view=nil)
if amount.is_a? Proc
return view.instance_exec(&amount)
elsif dimension == :origin || dimension == :center
return calculate_origin(view, dimension, amount, nil, full_view)
elsif dimension == :size
return calculate_size(view, amount, full_view)
elsif dimension == :frame
return calculate_frame(view, amount, full_view)
elsif amount == :full
return calculate(view, dimension, '100%', full_view)
elsif amount == :auto
return intrinsic_size(view).send(dimension) # :left or :right
elsif amount.is_a?(String) && amount.include?('%')
full_view ||= view.superview || begin
raise NoSuperviewError.new("Cannot calculate #{amount}% of #{dimension.inspect} because view #{view} has no superview.")
end
calc = Calculator.scan(amount)
raise "Unknown dimension #{dimension}" unless [:width, :height].include?(dimension)
return (full_view.frame.size.send(dimension) * calc.factor + calc.constant).round
else
return amount
end
end
def self.intrinsic_size(view)
size_that_fits = view.intrinsicContentSize
if size_that_fits.width == MotionKit.no_intrinsic_metric
size_that_fits.width = 0
end
if size_that_fits.height == MotionKit.no_intrinsic_metric
size_that_fits.height = 0
end
return size_that_fits
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems