Contents

#
# The raw -> abstraction wrapping code
# for UI::Views
#
module UnderOs::UI::Wrap
  INSTANCES_CACHE = {}
  RAW_WRAPS_MAP   = {}
  WRAPS_TAGS_MAP  = {}

  def self.included(base)
    base.instance_eval do
      attr_accessor :_

      def self.wraps(raw_class, options={})
        RAW_WRAPS_MAP[self] = raw_class
        tag(options[:tag]) if options[:tag]
      end

      def self.tag(name)
        WRAPS_TAGS_MAP[name.to_s] = self
      end

      def self.new(options={}, *args, &block)
        return INSTANCES_CACHE[options] if INSTANCES_CACHE[options]

        if options.is_a?(UIView)
          klass = find_wrap_for(options.class)
          view  = options; options = args.shift || {}
        else
          klass = self
          view  = find_raw_class_for(self).alloc
          if view.class == UICollectionView
            view.initWithFrame([[0, 0], [0, 0]], collectionViewLayout: UICollectionViewFlowLayout.alloc.init)
          else
            view.initWithFrame([[0, 0], [0, 0]])
          end
        end

        return nil if ! klass

        klass.alloc.tap do |inst|
          INSTANCES_CACHE[inst._ = view] = inst
          inst.__send__ :initialize, options, *args, &block
        end
      end

      def self.rewrap(view, *args, &block)
        view = view._ if view.is_a?(UnderOs::UI::View)

        alloc.tap do |inst|
          INSTANCES_CACHE[inst._ = view] = inst
          inst.__send__ :initialize, *args, &block
        end
      end

      def self.find_wrap_for(raw_class)
        RAW_WRAPS_MAP.each do |wrap, raw|
          return wrap if raw == raw_class
        end

        return nil
      end

      def self.find_raw_class_for(wrap)
        while wrap
          return RAW_WRAPS_MAP[wrap] if RAW_WRAPS_MAP[wrap]
          wrap = wrap.superclass
        end
      end

      def self.wrap_for(raw_view)
        INSTANCES_CACHE[raw_view]
      end
    end
  end

end

Version data entries

6 entries across 6 versions & 2 rubygems

Version	Path
under-os-ui-1.4.0	lib/under_os/ui/utils/wrap.rb
under-os-1.3.0	lib/under_os/ui/utils/wrap.rb
under-os-1.2.1	lib/under_os/ui/utils/wrap.rb
under-os-1.2.0	lib/under_os/ui/utils/wrap.rb
under-os-1.1.0	lib/under_os/ui/utils/wrap.rb
under-os-1.0.0	lib/under_os/ui/utils/wrap.rb