module CanBeConstrained
Public Instance Methods
common_superview(v)
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# File lib/purplish-layout/can_be_constrained.rb, line 11 def common_superview(v) if v.superview == self self elsif superview == v v else (superviews & v.superviews)[0] end end
constrained_views(*views, &block)
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# File lib/purplish-layout/can_be_constrained.rb, line 7 def constrained_views(*views, &block) block.call(*(views.map {|e| e.constraint})) end
constraint()
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# File lib/purplish-layout/can_be_constrained.rb, line 2 def constraint #Don't bother storing it, and most importantly, don't reuse it because things like multipler and constant must always be reset PurplishLayout::ConstraintProxy.new(self) end
superviews()
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# File lib/purplish-layout/can_be_constrained.rb, line 21 def superviews v = self result = [] loop do v = v.superview break unless v result << v end result end