Merge pull request rubymotion-community#59 from meganemura/add-layer-…

…gradient

Adds:
=> `Joybox::Core::LayerGradient`

motion/joybox-ios/core/layer_gradient.rb

@@ -0,0 +1,9 @@
+module Joybox
+  module Core
+
+    class LayerGradient < CCLayerGradient
+      include TouchEvent
+    end
+
+  end
+end

motion/joybox-osx/core/layer_gradient.rb

@@ -0,0 +1,13 @@
+module Joybox
+  module Core
+
+    class LayerGradient < CCLayerGradient
+
+      include MouseEvent
+      include KeyboardEvent
+      include GestureEvent
+
+    end
+
+  end
+end

motion/joybox/core/layer_gradient.rb

@@ -0,0 +1,45 @@
+module Joybox
+  module Core
+
+    class LayerGradient < CCLayerGradient
+
+      include Joybox::Common
+
+      def self.scene
+        define_singleton_method(:scene) do |options = {}|
+          scene = CCScene.new
+          layer = self.new(options)
+          scene << layer
+        end
+      end
+
+      def self.defaults
+        {
+          vector: [0, -1]
+        }
+      end
+
+      def initialize(options = {})
+        options = self.class.defaults.merge(options)
+
+        layer = self.initWithColor(options[:start],
+                                   fadingTo: options[:end],
+                                   alongVector: options[:vector])
+
+        layer.position = options[:position] if options[:position]
+      end
+
+      def onEnter
+        super
+        on_enter if defined? (on_enter)
+      end
+
+      def onExit
+        super
+        on_exit if defined? (on_exit)
+      end
+
+    end
+
+  end
+end

spec/motion/joybox/core/layer_gradient_spec.rb

@@ -0,0 +1,24 @@
+describe Joybox::Core::LayerGradient do
+
+  describe "LayerGradient.new" do
+    it "should initialize" do
+      layer = Joybox::Core::LayerGradient.new(
+        start: [1, 2, 3, 4],
+        end: [1, 2, 3, 4],
+        vector: [1, 2])
+      layer.should.not == nil
+      layer.visible.should == true
+      layer.class.should == Joybox::Core::LayerGradient
+    end
+  end
+
+  describe "LayerGradient.scene" do
+    it "should define singleton method and return CCScene with LayerGradient" do
+      Joybox::Core::LayerGradient.scene
+      scene = Joybox::Core::LayerGradient.scene(start: [1, 2, 3, 4], end: [5, 6, 7, 8], vector: [1, 2])
+      scene.class.should == CCScene
+      scene.children.first.class.should == Joybox::Core::LayerGradient
+    end
+  end
+
+end