settings: sort languages alphabetically (#119)

boot/grubfm/language.lua

@@ -0,0 +1,43 @@
+#!lua
+-- Grub2-FileManager
+-- Copyright (C) 2020  A1ive.
+--
+-- Grub2-FileManager is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- Grub2-FileManager is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with Grub2-FileManager.  If not, see <http://www.gnu.org/licenses/>.
+
+locale_dir = grub.getenv ("secondary_locale_dir")
+if (locale_dir == nil) then
+  locale_dir = "(memdisk)/boot/grubfm/locale"
+end
+
+function enum_mo_file (name)
+  local item = locale_dir .. "/" .. name
+  local lang = string.match (name, "(.*)%.mo$")
+  if grub.file_exist (item) and lang ~= nil then
+    i = i + 1
+    f_table[i] = lang
+  end
+end
+
+grub.clear_menu ()
+f_table = {}
+i = 0
+grub.enum_file (enum_mo_file,locale_dir .. "/")
+table.sort (f_table)
+
+for j, name in ipairs(f_table) do
+  command = "export lang=" .. name .. "; configfile ${prefix}/settings.sh;"
+  grub.add_icon_menu ("lang", command, name)
+end
+
+grub.script ("source ${prefix}/global.sh")

boot/grubfm/settings.sh

@@ -18,7 +18,7 @@ videomode -l mode_list;
 videomode -c mode_current;
 
 menuentry $"Language" --class lang {
-  configfile ${prefix}/language.sh;
+  lua ${prefix}/language.lua;
 }
 
 if [ "${mode_current}" != "0x0" ];