Merge pull request darktable-org#249 from wpferguson/fix_moduleExample

Update examples/moduleExample.lua

Author: wpferguson

examples/moduleExample.lua

@@ -18,9 +18,9 @@
 --[[
 
 USAGE
-* require this script from your main lua file
+* require this script from your luarc file
   To do this add this line to the file .config/darktable/luarc: 
-require "moduleExample"
+require "examples/moduleExample"
 
 * it creates a new example lighttable module
 
@@ -35,105 +35,90 @@ local du = require "lib/dtutils"
 
 du.check_min_api_version("3.0.0", "moduleExample") 
 
--- add a new lib
-local check_button = dt.new_widget("check_button"){label = "MyCheck_button", value = true}
-local combobox = dt.new_widget("combobox"){label = "MyCombobox", value = 2, "8", "16", "32"}
+-- translation
 
---https://www.darktable.org/lua-api/ar01s02s54.html.php
+-- https://www.darktable.org/lua-api/index.html#darktable_gettext
+local gettext = dt.gettext
+
+gettext.bindtextdomain("moduleExample", dt.configuration.config_dir .. "/lua/locale/")
+
+local function _(msgid)
+    return gettext.dgettext("moduleExample", msgid)
+end
+
+
+-- https://www.darktable.org/lua-api/types_lua_check_button.html
+local check_button = dt.new_widget("check_button"){label = _("MyCheck_button"), value = true}
+
+-- https://www.darktable.org/lua-api/types_lua_combobox.html
+local combobox = dt.new_widget("combobox"){label = _("MyCombobox"), value = 2, "8", "16", "32"}
+
+-- https://www.darktable.org/lua-api/types_lua_entry.html
 local entry = dt.new_widget("entry")
 {
     text = "test", 
-    placeholder = "placeholder",
+    placeholder = _("placeholder"),
     is_password = false,
     editable = true,
-    tooltip = "Tooltip Text",
+    tooltip = _("Tooltip Text"),
     reset_callback = function(self) self.text = "text" end
 }
 
+-- https://www.darktable.org/lua-api/types_lua_file_chooser_button.html
 local file_chooser_button = dt.new_widget("file_chooser_button")
 {
-    title = "MyFile_chooser_button",  -- The title of the window when choosing a file
+    title = _("MyFile_chooser_button"),  -- The title of the window when choosing a file
     value = "",                       -- The currently selected file
     is_directory = false              -- True if the file chooser button only allows directories to be selecte
 }
 
+-- https://www.darktable.org/lua-api/types_lua_label.html
 local label = dt.new_widget("label")
-label.label = "MyLabel" -- This is an alternative way to the "{}" syntax to set a property 
+label.label = _("MyLabel") -- This is an alternative way to the "{}" syntax to set a property 
 
+-- https://www.darktable.org/lua-api/types_lua_separator.html
 local separator = dt.new_widget("separator"){}
+
+-- https://www.darktable.org/lua-api/types_lua_slider.html
 local slider = dt.new_widget("slider")
 {
-  label = "MySlider", 
+  label = _("MySlider"), 
   soft_min = 10,      -- The soft minimum value for the slider, the slider can't go beyond this point
   soft_max = 100,     -- The soft maximum value for the slider, the slider can't go beyond this point
   hard_min = 0,       -- The hard minimum value for the slider, the user can't manually enter a value beyond this point
   hard_max = 1000,    -- The hard maximum value for the slider, the user can't manually enter a value beyond this point
   value = 52          -- The current value of the slider
 }
 
-if (dt.configuration.api_version_major >= 6) then
-  local section_label = dt.new_widget("section_label")
+-- https://www.darktable.org/lua-api/index.html#darktable_register_lib
+dt.register_lib(
+  "exampleModule",     -- Module name
+  "exampleModule",     -- name
+  true,                -- expandable
+  false,               -- resetable
+  {[dt.gui.views.lighttable] = {"DT_UI_CONTAINER_PANEL_RIGHT_CENTER", 100}},   -- containers
+  -- https://www.darktable.org/lua-api/types_lua_box.html
+  dt.new_widget("box") -- widget
   {
-    label = "MySectionLabel"
-  }
-
-  dt.register_lib(
-    "exampleModule",     -- Module name
-    "exampleModule",     -- name
-    true,                -- expandable
-    false,               -- resetable
-    {[dt.gui.views.lighttable] = {"DT_UI_CONTAINER_PANEL_RIGHT_CENTER", 100}},   -- containers
-    dt.new_widget("box") -- widget
+    orientation = "vertical",
+    dt.new_widget("button")
     {
-      orientation = "vertical",
-      dt.new_widget("button")
-      {
-        label = "MyButton",
-        clicked_callback = function (_)
-          dt.print("Button clicked")
-        end
-      },
-      check_button,
-      combobox,   
-      entry,
-      file_chooser_button,
-      label,
-      separator,
-      slider,
-	  section_label
+      label = _("MyButton"),
+      clicked_callback = function (_)
+        dt.print(_("Button clicked"))
+      end
     },
-    nil,-- view_enter
-    nil -- view_leave
-  )
-else
-  dt.register_lib(
-    "exampleModule",     -- Module name
-    "exampleModule",     -- name
-    true,                -- expandable
-    false,               -- resetable
-    {[dt.gui.views.lighttable] = {"DT_UI_CONTAINER_PANEL_RIGHT_CENTER", 100}},   -- containers
-    dt.new_widget("box") -- widget
-    {
-      orientation = "vertical",
-      dt.new_widget("button")
-      {
-        label = "MyButton",
-        clicked_callback = function (_)
-          dt.print("Button clicked")
-        end
-      },
-      check_button,
-      combobox,   
-      entry,
-      file_chooser_button,
-      label,
-      separator,
-      slider
-    },
-    nil,-- view_enter
-    nil -- view_leave
-  )
-end
+    check_button,
+    combobox,   
+    entry,
+    file_chooser_button,
+    label,
+    separator,
+    slider
+  },
+  nil,-- view_enter
+  nil -- view_leave
+)
 
 -- vim: shiftwidth=2 expandtab tabstop=2 cindent syntax=lua
 -- kate: hl Lua;