druid (factory) metatable refactoring

druid/components/andr_back_btn.lua

@@ -1,11 +0,0 @@
-local M = {}
-
---- input handler
--- @param action_id - input action id
--- @param action - input action
-function M.on_input(instance, action_id, action)
-  instance.callback(instance.parent.parent)
-  return true
-end
-
-return M

druid/druid.lua

@@ -1,12 +1,16 @@
 local data = require("druid.data")
 local druid_input = require("druid.helper.druid_input")
+local settings = require("druid.settings")
 
 local M = {}
 
+local log = settings.log
+local _factory = {}
+
 local STRING = "string"
 
 --- New druid era, registering components
-local components = {
+M.comps = {
 	-- basic
 	button = require("druid.base.button"),
 	android_back = require("druid.base.android_back"),
@@ -15,8 +19,8 @@ local components = {
 }
 
 
-local function register_basic_components()
-  for k, v in pairs(components) do
+local register_basic_components = function ()
+	for k, v in pairs(M.comps) do
 		M.register(k, v)
 	end
 end
@@ -24,79 +28,25 @@ end
 
 function M.register(name, module)
 	-- TODO: Find better solution to creating elements?
-  M["new_" .. name] = function(factory, node_name, ...)
-      M.create(factory, module, node_name, ...)
+	_factory["new_" .. name] = function(factory, node_or_name, ...)
+			_factory.new(factory, module, node_or_name, ...)
 		end
-    print("[Druid]: register component", name)
+		log("Register component", name)
 end
 
---- Called on_message
-function M.on_message(factory, message_id, message, sender)
-  if message_id == data.LAYOUT_CHANGED then
-    if factory[data.LAYOUT_CHANGED] then
-      M.translate(factory)
-      for i, v in ipairs(factory[data.LAYOUT_CHANGED]) do
-        v:on_layout_updated(message)
-      end
-    end
-  elseif message_id == data.TRANSLATABLE then
-    M.translate(factory)
-  else
-    if factory[data.ON_MESSAGE] then
-      for i, v in ipairs(factory[data.ON_MESSAGE]) do
-        v:on_message(message_id, message, sender)
-      end
-    end
-  end
-end
-
-
---- Called ON_INPUT
-function M.on_input(factory, action_id, action)
-  if factory[data.ON_SWIPE] then
-    local v, result
-    local len = #factory[data.ON_SWIPE]
-    for i = 1, len do
-      v = factory[data.ON_SWIPE][i]
-      result = result or v:on_input(action_id, action)
-    end
-    if result then
-      return true
-    end
-  end
-  if factory[data.ON_INPUT] then
-    local v
-    local len = #factory[data.ON_INPUT]
-    for i = 1, len do
-      v = factory[data.ON_INPUT][i]
-      if action_id == v.event and v:on_input(action_id, action) then
-        return true
-      end
-    end
-    return false
-  end
-  return false
-end
-
-
---- Called on_update
-function M.update(factory, dt)
-  if factory[data.ON_UPDATE] then
-    for i, v in ipairs(factory[data.ON_UPDATE]) do
-      v:update(dt)
-    end
-  end
-end
-
-
 --- Create UI instance for ui elements
 -- @return instance with all ui components
 function M.new(self)
-  local factory = setmetatable({}, {__index = M})
+	if register_basic_components then
+		register_basic_components()
+		register_basic_components = false
+	end
+	local factory = setmetatable({}, {__index = _factory})
 	factory.parent = self
 	return factory
 end
 
+--------------------------------------------------------------------------------
 
 local function input_init(factory)
 	if not factory.input_inited then
@@ -105,7 +55,6 @@ local function input_init(factory)
 	end
 end
 
---------------------------------------------------------------------------------
 
 local function create(module, factory, name, ...)
 	local instance = setmetatable({}, {__index = module})
@@ -137,8 +86,8 @@ local function create(module, factory, name, ...)
 end
 
 
-function M.create(factory, module, name, ...)
-  local instance = create(module, factory, name)
+function _factory.new(factory, module, node_or_name, ...)
+	local instance = create(module, factory, node_or_name)
 
 	if instance.init then
 		instance:init(...)
@@ -146,5 +95,62 @@ function M.create(factory, module, name, ...)
 end
 
 
-register_basic_components()
+--- Called on_message
+function _factory.on_message(factory, message_id, message, sender)
+	if message_id == data.LAYOUT_CHANGED then
+		if factory[data.LAYOUT_CHANGED] then
+			M.translate(factory)
+			for i, v in ipairs(factory[data.LAYOUT_CHANGED]) do
+				v:on_layout_updated(message)
+			end
+		end
+	elseif message_id == data.TRANSLATABLE then
+		M.translate(factory)
+	else
+		if factory[data.ON_MESSAGE] then
+			for i, v in ipairs(factory[data.ON_MESSAGE]) do
+				v:on_message(message_id, message, sender)
+			end
+		end
+	end
+end
+
+
+--- Called ON_INPUT
+function _factory.on_input(factory, action_id, action)
+	if factory[data.ON_SWIPE] then
+		local v, result
+		local len = #factory[data.ON_SWIPE]
+		for i = 1, len do
+			v = factory[data.ON_SWIPE][i]
+			result = result or v:on_input(action_id, action)
+		end
+		if result then
+			return true
+		end
+	end
+	if factory[data.ON_INPUT] then
+		local v
+		local len = #factory[data.ON_INPUT]
+		for i = 1, len do
+			v = factory[data.ON_INPUT][i]
+			if action_id == v.event and v:on_input(action_id, action) then
+				return true
+			end
+		end
+		return false
+	end
+	return false
+end
+
+
+--- Called on_update
+function _factory.update(factory, dt)
+	if factory[data.ON_UPDATE] then
+		for i, v in ipairs(factory[data.ON_UPDATE]) do
+			v:update(dt)
+		end
+	end
+end
+
 return M

druid/settings.lua

@@ -1,5 +1,6 @@
 local M = {}
 
+M.is_debug = false
 
 M.button = {
 	IS_HOVER = true,
@@ -23,5 +24,12 @@ function M.play_sound(name)
   -- override to play sound with name
 end
 
+function M.log(...)
+	if M.is_debug then
+		print("[Druid]: ", ...)
+	end
+end
+
+
 
 return M

example/example.gui.gui_script

@@ -6,6 +6,13 @@ local lang = {
 }
 
 local function setup_druid(self)
+
+	-- two different way of exernal component regesstration
+	druid.comps["my_mega_test_comp"] = require "druid.base.text"
+	druid.register("my_custom_component", {})
+	
+	druid_settings.is_debug = true
+	
 	druid_settings.play_sound = function(name)
 		sound.play("sounds#" .. name)
 	end
@@ -19,18 +26,19 @@ function init(self)
 	setup_druid(self)
 	self.druid = druid.new(self)
 
-
 	self.druid:new_button("button_1", function()
 		print("On button 1")
 	end)
-	self.druid:new_button("button_2", function()
+
+	--alternative way of component creation
+	self.druid:new(druid.comps.button, "button_2", function()
 		print("On button 2")
 	end)
+
 	self.druid:new_button("button_3", function()
 		print("On button 3")
 	end)
 
-
 	self.druid:new_android_back(function(self, params)
 		print("On android back", params)
 	end, 2)