init locales module

modules/client_locales/en-us.lua

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+locale = {
+	name = 'en-us',
+
+	-- Translations not needed. en-us is already default.
+	translation = {}
+}
+
+Locales.installLocale(locale)

modules/client_locales/locales.lua

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+Locales = { }
+
+-- private variables
+local defaultLocaleName = 'en-us'
+local installedLocales
+local currentLocale
+
+-- hooked functions
+function UIWidget:onTextChange(text, oldText)
+  local translation = tr(text)
+  if translation ~= text then
+    self:setText(translation)
+  end
+end
+
+-- public functions
+function Locales.init()
+  installedLocales = {}
+
+  dofile('en-us')
+  dofile('pt-br')
+
+  local userLocaleName = Settings.get('locale')
+  if not userLocaleName or not Locales.setLocale(userLocaleName) then
+    print('Locale ' .. userLocaleName .. ' is not loaded. Using default. ' .. defaultLocaleName)
+    if not Locales.setLocale(defaultLocaleName) then
+      fatal('Default locale could not be loaded. Re-install the program.')
+      return
+    end
+    Settings.set('locale', defaultLocaleName)
+  end
+
+  -- create combobox
+  --for key,value in pairs(installedLocales) do
+    -- add elements
+  --end
+end
+
+function Locales.terminate()
+  installedLocales = nil
+  currentLocale = nil
+end
+
+function Locales.installLocale(locale)
+  if not locale then
+    print('Coult not install locale.')
+    return false
+  end
+
+  if not locale.name then
+    printf('Coult not install locale.')
+    return false
+  end
+
+  installedLocales[locale.name] = locale
+end
+
+function Locales.setLocale(name)
+  local locale = installedLocales[name]
+  if locale then
+    currentLocale = locale
+    return true
+  end
+
+  print("Locale " .. name .. ' does not exist.')
+  return false
+end
+
+function tr(text, ...)
+  if currentLocale then
+    if tonumber(text) then
+      -- todo: add some dots etc
+    elseif tostring(text) then
+      local translation = currentLocale.translation[text]
+      if translation then
+        return string.format(translation, ...)
+      end
+    end
+  end
+  return text
+end

modules/client_locales/locales.otmod

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+Module
+  name: client_locales
+  description: Translates texts to selected language
+  author: OTClient team
+  website: https://github.com/edubart/otclient
+
+  dependencies:
+    - client_topmenu
+
+  @onLoad: |
+    dofile 'locales'
+    Locales.init()
+
+  @onUnload: |
+    Locales.terminate()

modules/client_locales/pt-br.lua

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+locale = {
+	name = 'pt-br',
+
+	-- As tradu<64><75>es devem vir sempre em ordem alfab<61>tica.
+	translation = {
+		['Account name'] = 'Nome da conta',
+		['Auto login'] = 'Entrar automaticamente',
+		['Cancel'] = 'Cancelar',
+		['Enter Game'] = 'Entrar no Jogo',
+		['Options'] = 'Op<EFBFBD><EFBFBD>es',
+		['Password'] = 'Senha',
+		['Port'] = 'Porta',
+		['Remember password'] = 'Lembrar senha',
+		['Server'] = 'Servidor'
+	}
+
+	-- Adicionar informa<6D><61>es de n<>meros. 1.000  100,00  1.000,00 etc.
+}
+
+Locales.installLocale(locale)