1 files changed, 128 insertions, 0 deletions
diff --git a/src/mailman/web/Gui/Language.py b/src/mailman/web/Gui/Language.py
new file mode 100644
index 000000000..05824be5e
--- /dev/null
+++ b/src/mailman/web/Gui/Language.py
@@ -0,0 +1,128 @@
+# Copyright (C) 2001-2009 by the Free Software Foundation, Inc.
+#
+# This file is part of GNU Mailman.
+#
+# GNU Mailman 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.
+#
+# GNU Mailman 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
+# GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
+
+"""MailList mixin class managing the language options."""
+
+import codecs
+
+from Mailman import Utils
+from Mailman import i18n
+from Mailman.Gui.GUIBase import GUIBase
+from Mailman.configuration import config
+
+_ = i18n._
+
+
+
+class Language(GUIBase):
+    def GetConfigCategory(self):
+        return 'language', _('Language&nbsp;options')
+
+    def GetConfigInfo(self, mlist, category, subcat=None):
+        if category <> 'language':
+            return None
+        # Set things up for the language choices
+        langs = mlist.language_codes
+        langnames = [_(description) for description in config.enabled_names]
+        try:
+            langi = langs.index(mlist.preferred_language)
+        except ValueError:
+            # Someone must have deleted the list's preferred language.  Could
+            # be other trouble lurking!
+            langi = 0
+        # Only allow the admin to choose a language if the system has a
+        # charset for it.  I think this is the best way to test for that.
+        def checkcodec(charset):
+            try:
+                codecs.lookup(charset)
+                return 1
+            except LookupError:
+                return 0
+
+        all = sorted(code for code in config.languages.enabled_codes
+                     if checkcodec(Utils.GetCharSet(code)))
+        checked = [L in langs for L in all]
+        allnames = [_(config.languages.get_description(code)) for code in all]
+        return [
+            _('Natural language (internationalization) options.'),
+
+            ('preferred_language', config.Select,
+             (langs, langnames, langi),
+             0,
+             _('Default language for this list.'),
+             _('''This is the default natural language for this mailing list.
+             If <a href="?VARHELP=language/available_languages">more than one
+             language</a> is supported then users will be able to select their
+             own preferences for when they interact with the list.  All other
+             interactions will be conducted in the default language.  This
+             applies to both web-based and email-based messages, but not to
+             email posted by list members.''')),
+
+            ('available_languages', config.Checkbox,
+             (allnames, checked, 0, all), 0,
+             _('Languages supported by this list.'),
+
+             _('''These are all the natural languages supported by this list.
+             Note that the
+             <a href="?VARHELP=language/preferred_language">default
+             language</a> must be included.''')),
+
+            ('encode_ascii_prefixes', config.Radio,
+             (_('Never'), _('Always'), _('As needed')), 0,
+             _("""Encode the
+             <a href="?VARHELP=general/subject_prefix">subject
+             prefix</a> even when it consists of only ASCII characters?"""),
+
+             _("""If your mailing list's default language uses a non-ASCII
+             character set and the prefix contains non-ASCII characters, the
+             prefix will always be encoded according to the relevant
+             standards.  However, if your prefix contains only ASCII
+             characters, you may want to set this option to <em>Never</em> to
+             disable prefix encoding.  This can make the subject headers
+             slightly more readable for users with mail readers that don't
+             properly handle non-ASCII encodings.
+
+             <p>Note however, that if your mailing list receives both encoded
+             and unencoded subject headers, you might want to choose <em>As
+             needed</em>.  Using this setting, Mailman will not encode ASCII
+             prefixes when the rest of the header contains only ASCII
+             characters, but if the original header contains non-ASCII
+             characters, it will encode the prefix.  This avoids an ambiguity
+             in the standards which could cause some mail readers to display
+             extra, or missing spaces between the prefix and the original
+             header.""")),
+
+            ]
+
+    def _setValue(self, mlist, prop, val, doc):
+        # If we're changing the list's preferred language, change the I18N
+        # context as well
+        if prop == 'preferred_language':
+            i18n.set_language(val)
+            doc.set_language(val)
+        # Language codes must be wrapped
+        if prop == 'available_languages':
+            mlist.set_languages(*val)
+        else:
+            GUIBase._setValue(self, mlist, prop, val, doc)
+
+    def getValue(self, mlist, kind, varname, params):
+        if varname == 'available_languages':
+            # Unwrap Language instances, to return just the code
+            return [language.code for language in mlist.available_languages]
+        # Returning None tells the infrastructure to use getattr
+        return None