add text component (#4)

druid/base/text.lua

@@ -1,13 +1,32 @@
+local data = require("druid.data")
+local settings = require("druid.settings")
+
 local M = {}
+M.interest = {
+  data.TRANSLATABLE,
+  data.LAYOUT_CHANGED
+}
 
-local ui_animate = require "druid.helper.druid_animate"
 
---- Bounce text field
-function M.bounce(instance, callback)
-  gui.set_scale(instance.node, instance.scale_from)
-  ui_animate.bounce(nil, instance.node, instance.scale_to, callback)
+function M.init(instance, value, is_locale)
+  instance.last_color = gui.get_color(instance.node)
+  if is_locale then
+    instance.text_id = value
+    instance:translate()
+  else
+    instance:set_to(value or 0)
+  end
+  return instance
 end
 
+
+function M.translate(instance)
+  if instance.text_id then
+    instance:set_to(settings.get_text(instance.text_id))
+  end
+end
+
+
 --- Set text to text field
 -- @param set_to - set value to text field
 function M.set_to(instance, set_to)
@@ -15,6 +34,7 @@ function M.set_to(instance, set_to)
   gui.set_text(instance.node, set_to)
 end
 
+
 --- Set color
 -- @param color
 function M.set_color(instance, color)
@@ -22,6 +42,15 @@ function M.set_color(instance, color)
   gui.set_color(instance.node, color)
 end
 
+
+--- Set alpha
+-- @param alpha, number [0-1]
+function M.set_alpha(instance, alpha)
+  instance.last_color.w = alpha
+  gui.set_color(instance.node, instance.last_color)
+end
+
+
 --- Set scale
 -- @param scale
 function M.set_scale(instance, scale)
@@ -29,6 +58,7 @@ function M.set_scale(instance, scale)
   gui.set_scale(instance.node, scale)
 end
 
+
 --- Called when layout updated (rotate for example)
 function M.on_layout_updated(instance)
   if instance.last_color then