add language cache to speed up language selection and wizzard

[enigma2.git] / lib / python / Components / Language.py

diff --git a/lib/python/Components/Language.py b/lib/python/Components/Language.py
index cf30be82b6ed007429e224f5421f384b9c3d45e4..acb50e5137c60f72a5227f4228905528b8a60442 100644 (file)
--- a/lib/python/Components/Language.py
+++ b/lib/python/Components/Language.py
@@ -2,6 +2,8 @@ import gettext
 
 from Tools.Directories import SCOPE_LANGUAGE, resolveFilename
 
+import language_cache
+
 class Language:
        def __init__(self):
                gettext.install('enigma2', resolveFilename(SCOPE_LANGUAGE, ""), unicode=0, codeset="utf-8")
@@ -10,6 +12,7 @@ class Language:
                self.langlist = []
                # FIXME make list dynamically
                # name, iso-639 language, iso-3166 country. Please don't mix language&country!
+               # also, see "precalcLanguageList" below on how to re-create the language cache after you added a language
                self.addLanguage(_("English"), "en", "EN")
                self.addLanguage(_("German"), "de", "DE")
                self.addLanguage(_("Arabic"), "ar", "AE")
@@ -54,7 +57,8 @@ class Language:
                        print "Selected language does not exist!"
 
        def activateLanguageIndex(self, index):
-               self.activateLanguage(self.langlist[index])
+               if index < len(self.langlist):
+                       self.activateLanguage(self.langlist[index])
 
        def getLanguageList(self):
                list = []
@@ -80,4 +84,23 @@ class Language:
        def addCallback(self, callback):
                self.callbacks.append(callback)
 
+       def precalcLanguageList(self):
+               # excuse me for those T1, T2 hacks please. The goal was to keep the language_cache.py as small as possible, *and* 
+               # don't duplicate these strings.
+               T1 = _("Please use the UP and DOWN keys to select your language. Afterwards press the OK button.")
+               T2 = _("Language selection")
+               l = open("language_cache.py", "w")
+               print >>l, "# -*- coding: UTF-8 -*-"
+               print >>l, "LANG_TEXT = {"
+               for language in self.langlist:
+                       self.activateLanguage(language)
+                       print >>l, '"%s": {' % language
+                       for name, lang, country in self.lang.values():
+                               print >>l, '\t"%s_%s": "%s",' % (lang, country, _(name))
+
+                       print >>l, '\t"T1": "%s",' % (_(T1))
+                       print >>l, '\t"T2": "%s",' % (_(T2))
+                       print >>l, '},'
+               print >>l, "}"
+
 language = Language()