add language cache to speed up language selection and wizzard

[enigma2.git] / lib / python / Screens / LanguageSelection.py

diff --git a/lib/python/Screens/LanguageSelection.py b/lib/python/Screens/LanguageSelection.py
index 83d03403782bf63c517385026e68622230721ad0..94ede08cff9cb0288553dbf7b840f80dbf746025 100644 (file)
--- a/lib/python/Screens/LanguageSelection.py
+++ b/lib/python/Screens/LanguageSelection.py
@@ -1,84 +1,122 @@
 from Screen import Screen
 
-from Components.MenuList import MenuList
 from Components.ActionMap import ActionMap
 from Components.Language import language
-from Components.LanguageList import *
 from Components.config import config
+from Components.Sources.List import List
+from Components.Label import Label
+from Components.Pixmap import Pixmap
+from Components.language_cache import LANG_TEXT
 
+def _cached(x):
+       return LANG_TEXT.get(config.osd.language.value, {}).get(x, "")
+
+from Screens.Rc import Rc
+
+from Tools.Directories import resolveFilename, SCOPE_SKIN_IMAGE
+
+from Tools.LoadPixmap import LoadPixmap
+
+def LanguageEntryComponent(file, name, index):
+       png = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "countries/" + file + ".png"))
+       if png == None:
+               png = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "countries/missing.png"))
+       res = (index, name, png)
+       return res
 
 class LanguageSelection(Screen):
        def __init__(self, session):
                Screen.__init__(self, session)
-               
+
                self.oldActiveLanguage = language.getActiveLanguage()
-               
+
                self.list = []
-               self["list"] = LanguageList(self.list)
+               self["languages"] = List(self.list)
+               self["languages"].onSelectionChanged.append(self.changed)
+
                self.updateList()
                self.onLayoutFinish.append(self.selectActiveLanguage)
-                               
-               self["actions"] = ActionMap(["OkCancelActions", "DirectionActions"], 
+
+               self["actions"] = ActionMap(["OkCancelActions"], 
                {
                        "ok": self.save,
                        "cancel": self.cancel,
-                       "up": self.up,
-                       "down": self.down,
-                       "left": self.left,
-                       "right": self.right
                }, -1)
-               
+
        def selectActiveLanguage(self):
                activeLanguage = language.getActiveLanguage()
                pos = 0
                for x in self.list:
                        if x[0] == activeLanguage:
-                               self["list"].instance.moveSelectionTo(pos)
+                               self["languages"].index = pos
                                break
                        pos += 1
-               
+
        def save(self):
                self.run()
                self.close()
-       
+
        def cancel(self):
                language.activateLanguage(self.oldActiveLanguage)
                self.close()
-       
-       def run(self):
-               language.activateLanguage(self["list"].l.getCurrentSelection()[0])
-               config.osd.language.value = self["list"].l.getCurrentSelection()[0]
+
+       def run(self, justlocal = False):
+               print "updating language..."
+               lang = self["languages"].getCurrent()[0]
+               config.osd.language.value = lang
                config.osd.language.save()
+               self.setTitle(_cached("T2"))
+               
+               if justlocal:
+                       return
+
+               language.activateLanguage(lang)
                config.misc.languageselected.value = 0
                config.misc.languageselected.save()
-               self.setTitle(_("Language selection"))
+               print "ok"
 
        def updateList(self):
+               first_time = len(self.list) == 0
+
                self.list = []
                if len(language.getLanguageList()) == 0: # no language available => display only english
-                       self.list.append(LanguageEntryComponent("en", _("English"), "en_EN"))
+                       self.list.append(LanguageEntryComponent("en", _cached("en_EN"), "en_EN"))
                else:
                        for x in language.getLanguageList():
-                               self.list.append(LanguageEntryComponent(file = x[1][3].lower(), name = _(x[1][0]), index = x[0]))
+                               self.list.append(LanguageEntryComponent(file = x[1][2].lower(), name = _cached("%s_%s" % x[1][1:3]), index = x[0]))
                #self.list.sort(key=lambda x: x[1][7])
-               self["list"].l.setList(self.list)
 
-       def up(self):
-               self["list"].instance.moveSelection(self["list"].instance.moveUp)
-               self.run()
-               self.updateList()
-               
-       def down(self):
-               self["list"].instance.moveSelection(self["list"].instance.moveDown)
-               self.run()
+               print "updateList"
+               if first_time:
+                       self["languages"].list = self.list
+               else:
+                       self["languages"].updateList(self.list)
+               print "done"
+
+       def changed(self):
+               self.run(justlocal = True)
                self.updateList()
 
-       def left(self):
-               self["list"].instance.moveSelection(self["list"].instance.pageUp)
-               self.run()
+class LanguageWizard(LanguageSelection, Rc):
+       def __init__(self, session):
+               LanguageSelection.__init__(self, session)
+               Rc.__init__(self)
+               self.onLayoutFinish.append(self.selectKeys)
+                               
+               self["wizard"] = Pixmap()
+               self["text"] = Label()
+               self.setText()
+               
+       def selectKeys(self):
+               self.clearSelectedKeys()
+               self.selectKey("UP")
+               self.selectKey("DOWN")
+               
+       def changed(self):
+               self.run(justlocal = True)
                self.updateList()
+               self.setText()
                
-       def right(self):
-               self["list"].instance.moveSelection(self["list"].instance.pageDown)
-               self.run()
-               self.updateList()
\ No newline at end of file
+       def setText(self):
+               
+               self["text"].setText(_cached("T1"))