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 feb0eaaea4d7c5eb1fcf890a90839e8131e99106..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")
@@ -20,34 +23,43 @@ class Language:
                self.addLanguage(_("Dutch"), "nl", "NL")
                self.addLanguage(_("Finnish"), "fi", "FI")
                self.addLanguage(_("French"), "fr", "FR")
+               self.addLanguage(_("Greek"), "el", "GR")
                self.addLanguage(_("Hungarian"), "hu", "HU")
+               self.addLanguage(_("Lithuanian"), "lt", "LT")
                self.addLanguage(_("Icelandic"), "is", "IS")
                self.addLanguage(_("Italian"), "it", "IT")
                self.addLanguage(_("Norwegian"), "no", "NO")
+               self.addLanguage(_("Polish"), "pl", "PL")
+               self.addLanguage(_("Portuguese"), "pt", "PT")
                self.addLanguage(_("Russian"), "ru", "RU")
                self.addLanguage(_("Spanish"), "es", "ES")
                self.addLanguage(_("Swedish"), "sv", "SE")
                self.addLanguage(_("Turkish"), "tr", "TR")
-               
+
                self.callbacks = []
 
        def addLanguage(self, name, lang, country):
                try:
-                       self.lang[str(lang + "_" + country)] = ((_(name), gettext.translation('enigma2', resolveFilename(SCOPE_LANGUAGE, ""), languages=[lang]), lang, country))
+                       self.lang[str(lang + "_" + country)] = ((_(name), lang, country))
                        self.langlist.append(str(lang + "_" + country))
                except:
                        print "Language " + str(name) + " not found"
 
        def activateLanguage(self, index):
                try:
-                       print "Activating language " + str(self.lang[index][0])
-                       self.lang[index][1].install()
+                       lang = self.lang[index]
+                       print "Activating language " + lang[0]
+                       gettext.translation('enigma2', resolveFilename(SCOPE_LANGUAGE, ""), languages=[lang[1]]).install()
                        self.activeLanguage = index
                        for x in self.callbacks:
                                x()
                except:
                        print "Selected language does not exist!"
 
+       def activateLanguageIndex(self, index):
+               if index < len(self.langlist):
+                       self.activateLanguage(self.langlist[index])
+
        def getLanguageList(self):
                list = []
                for x in self.langlist:
@@ -56,14 +68,39 @@ class Language:
 
        def getActiveLanguage(self):
                return self.activeLanguage
+       
+       def getActiveLanguageIndex(self):
+               for count in range(len(self.langlist)):
+                       if self.langlist[count] == self.activeLanguage:
+                               return count
+               return None                     
 
        def getLanguage(self):
                try:
-                       return str(self.lang[self.activeLanguage][2]) + "_" + str(self.lang[self.activeLanguage][3])
+                       return str(self.lang[self.activeLanguage][1]) + "_" + str(self.lang[self.activeLanguage][2])
                except:
                        return ''
 
        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()