#Boa:FramePanel:LanguageSelectPanel
import os, sys
import wx
from wx.lib import langlistctrl
from Main import opj
# Normally you would just set _ to be a reference to the
# wx.GetTranslation function, and then wrap all you literal strings in
# _() function calls. Then everytime you use one of your literals, it
# would first pass through the translation function and try to load a
# translated version of the string from the current message catalogs.
# For this example, since we are changinb language on the fly, and
# since we are only translating the label for one widget, we'll not do
# it the automatic way and we'll be more explicit. See the setup in
# __init__() and the translation done in updateLanguage() below.
_ = wx.GetTranslation
exampleStrings = [
'the quick brown fox jumps over the lazy dog', # demo string
'Tip of the Day', # wx built in translation
'Warning', # wx built in translation
]
[wxID_LANGUAGESELECTPANEL, wxID_LANGUAGESELECTPANELENGLISHBASECH,
wxID_LANGUAGESELECTPANELLANGCTRLCONTAINER,
wxID_LANGUAGESELECTPANELLANGFILTERRB, wxID_LANGUAGESELECTPANELSTATICLINE1,
wxID_LANGUAGESELECTPANELSTATICTEXT1, wxID_LANGUAGESELECTPANELSTATICTEXT2,
wxID_LANGUAGESELECTPANELSTATICTEXT3, wxID_LANGUAGESELECTPANELTRANSLATEDST,
] = [wx.NewId() for _init_ctrls in range(9)]
class LanguageSelectPanel(wx.Panel):
def _init_coll_boxSizer3_Items(self, parent):
# generated method, don't edit
parent.AddWindow(self.langCtrlContainer, 1, border=0, flag=wx.GROW)
parent.AddSpacer(wx.Size(8, 8), border=0, flag=0)
parent.AddWindow(self.langFilterRB, 0, border=0, flag=0)
def _init_coll_flexGridSizer1_Growables(self, parent):
# generated method, don't edit
parent.AddGrowableRow(1)
parent.AddGrowableCol(0)
def _init_coll_boxSizer1_Items(self, parent):
# generated method, don't edit
parent.AddWindow(self.staticText1, 0, border=8, flag=wx.ALL)
parent.AddSizer(self.boxSizer3, 1, border=8, flag=wx.ALL | wx.GROW)
parent.AddSizer(self.boxSizer2, 0, border=8, flag=wx.GROW | wx.ALL)
def _init_coll_boxSizer2_Items(self, parent):
# generated method, don't edit
parent.AddWindow(self.staticText2, 0, border=8, flag=wx.ALL)
parent.AddWindow(self.englishBaseCh, 0, border=8, flag=wx.GROW | wx.ALL)
parent.AddWindow(self.staticLine1, 0, border=8, flag=wx.GROW | wx.ALL)
parent.AddWindow(self.staticText3, 0, border=8, flag=wx.ALL)
parent.AddWindow(self.translatedST, 0, border=8, flag=wx.GROW | wx.ALL)
def _init_sizers(self):
# generated method, don't edit
self.boxSizer1 = wx.BoxSizer(orient=wx.VERTICAL)
self.flexGridSizer1 = wx.FlexGridSizer(cols=2, hgap=8, rows=0, vgap=8)
self.boxSizer3 = wx.BoxSizer(orient=wx.HORIZONTAL)
self.boxSizer2 = wx.BoxSizer(orient=wx.VERTICAL)
self._init_coll_boxSizer1_Items(self.boxSizer1)
self._init_coll_flexGridSizer1_Growables(self.flexGridSizer1)
self._init_coll_boxSizer3_Items(self.boxSizer3)
self._init_coll_boxSizer2_Items(self.boxSizer2)
self.SetSizer(self.boxSizer1)
def _init_ctrls(self, prnt):
# generated method, don't edit
wx.Panel.__init__(self, id=wxID_LANGUAGESELECTPANEL,
name='LanguageSelectPanel', parent=prnt,
style=wx.RESIZE_BORDER | wx.DEFAULT_DIALOG_STYLE)
self.staticText1 = wx.StaticText(id=wxID_LANGUAGESELECTPANELSTATICTEXT1,
label='Choose a language that will be used for example translation.',
name='staticText1', parent=self, style=0)
self.langCtrlContainer = wx.Panel(id=wxID_LANGUAGESELECTPANELLANGCTRLCONTAINER,
name='langCtrlContainer', parent=self, style=wx.TAB_TRAVERSAL)
self.langCtrlContainer.SetBackgroundColour(wx.Colour(255, 255, 255))
self.langCtrlContainer.Bind(wx.EVT_SIZE, self.OnLangCtrlContainerSize)
self.langFilterRB = wx.RadioBox(choices=['Translated example languages',
'Available languages on your system', 'All languages'],
id=wxID_LANGUAGESELECTPANELLANGFILTERRB, label='Filter',
majorDimension=1, name='langFilterRB', parent=self,
style=wx.RA_SPECIFY_COLS)
self.langFilterRB.Bind(wx.EVT_RADIOBOX, self.OnLangFilterRBRadiobox,
id=wxID_LANGUAGESELECTPANELLANGFILTERRB)
self.staticText2 = wx.StaticText(id=wxID_LANGUAGESELECTPANELSTATICTEXT2,
label='English Text:', name='staticText2', parent=self,
style=0)
self.staticText3 = wx.StaticText(id=wxID_LANGUAGESELECTPANELSTATICTEXT3,
label='Translated Text:', name='staticText3', parent=self,
style=0)
self.englishBaseCh = wx.Choice(choices=self.choices,
id=wxID_LANGUAGESELECTPANELENGLISHBASECH, name='englishBaseCh',
parent=self, style=0)
self.englishBaseCh.Bind(wx.EVT_CHOICE, self.OnLangSelectAndTranslate,
id=wxID_LANGUAGESELECTPANELENGLISHBASECH)
self.staticLine1 = wx.StaticLine(id=wxID_LANGUAGESELECTPANELSTATICLINE1,
name='staticLine1', parent=self, style=0)
self.translatedST = wx.StaticText(id=wxID_LANGUAGESELECTPANELTRANSLATEDST,
label='', name='translatedST', parent=self, style=0)
self._init_sizers()
def __init__(self, parent, log):
self.choices = []
self.choices = exampleStrings
self._init_ctrls(parent)
self.log = log
lang = wx.LANGUAGE_DEFAULT
filter = 'demo'
langs = (wx.LANGUAGE_AFRIKAANS, wx.LANGUAGE_ENGLISH, wx.LANGUAGE_DEFAULT,
wx.LANGUAGE_SPANISH, wx.LANGUAGE_GERMAN, wx.LANGUAGE_ITALIAN,
wx.LANGUAGE_FRENCH)
# usually you would define wx.Locale in your wx.App.OnInit class.
# for the demo we just define it in this module
self.locale = None
wx.Locale.AddCatalogLookupPathPrefix(opj('data/locale'))
self.updateLanguage(wx.LANGUAGE_DEFAULT)
self.filterMap = {'demo': langlistctrl.LC_ONLY,
'available': langlistctrl.LC_AVAILABLE,
'all': langlistctrl.LC_ALL}
self.filterIdxMap = {0: 'demo',
1: 'available',
2: 'all'}
self.langs = langs
self.langCtrl = langlistctrl.LanguageListCtrl(self.langCtrlContainer, -1,
filter=self.filterMap[filter], only=langs, select=lang)
self.langCtrl.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnLangSelectAndTranslate)
self.langCtrl.Bind(wx.EVT_LIST_ITEM_DESELECTED, self.OnClearTranslatedText)
self.OnLangCtrlContainerSize()
self.englishBaseCh.Select(0)
self.OnLangSelectAndTranslate()
def updateLanguage(self, lang):
# Make *sure* any existing locale is deleted before the new
# one is created. The old C++ object needs to be deleted
# before the new one is created, and if we just assign a new
# instance to the old Python variable, the old C++ locale will
# not be destroyed soon enough, likely causing a crash.
if self.locale:
assert sys.getrefcount(self.locale) <= 2
del self.locale
# create a locale object for this language
self.locale = wx.Locale(lang)
if self.locale.IsOk():
self.locale.AddCatalog('wxpydemo')
else:
self.locale = None
def translateExample(self):
self.translatedST.SetLabel(_(self.englishBaseCh.GetStringSelection()))
def OnLangCtrlContainerSize(self, event=None):
if event: event.Skip()
self.langCtrl.SetSize(self.langCtrlContainer.GetSize())
def OnLangFilterRBRadiobox(self, event):
self.langCtrl.SetUpFilter(
self.filterMap[self.filterIdxMap[self.langFilterRB.GetSelection()]],
self.langs)
def OnLangSelectAndTranslate(self, event=None):
lang = self.langCtrl.GetLanguage()
if lang is not None:
# set to the selected language
self.updateLanguage(lang)
self.translateExample()
# set back to default
self.updateLanguage(wx.LANGUAGE_DEFAULT)
def OnClearTranslatedText(self, event):
self.translatedST.SetLabel('')
def runTest(frame, nb, log):
win = LanguageSelectPanel(nb, log)
return win
#-------------------------------------------------------------------------------
overview = """
Internationalization (I18N)
This demo demonstrates how to setup and use the wx.Locale object to translate text.
It also shows the langlistctrl.LanguageListCtrl that can be used to display
languages with their associated countries flags, e.g. for setting the language
in your application.
"""
if __name__ == '__main__':
import sys,os
import run
run.main(['', os.path.basename(sys.argv[0])])