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109 lines
3.9 KiB
109 lines
3.9 KiB
8 years ago
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.conf import settings
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from django.db import models
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from django.utils.translation import string_concat
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8 years ago
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from shared.utils.translation import get_language
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8 years ago
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8 years ago
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class TranslatableCharField(models.CharField):
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def __init__(self, verbose_name=None, **kwargs):
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self._blank = kwargs.get("blank", False)
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self._editable = kwargs.get("editable", True)
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super(TranslatableCharField, self).__init__(verbose_name, **kwargs)
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def contribute_to_class(self, cls, name, virtual_only=False):
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if not cls._meta.abstract:
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for lang_code, lang_name in settings.LANGUAGES:
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if lang_code == settings.LANGUAGE_CODE:
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_blank = self._blank
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else:
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_blank = True
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localized_field = models.CharField(
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string_concat(self.verbose_name, " (%s)" % lang_code),
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name=self.name,
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primary_key=self.primary_key,
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max_length=self.max_length,
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unique=self.unique,
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blank=_blank,
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null=False, # intentionally ignored
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db_index=self.db_index,
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rel=self.rel,
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default=self.default or "",
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editable=self._editable,
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serialize=self.serialize,
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choices=self.choices,
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help_text=self.help_text,
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db_column=None,
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db_tablespace=self.db_tablespace
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)
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localized_field.contribute_to_class(
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cls,
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"%s_%s" % (name, lang_code),
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)
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def translated_value(self):
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# For empty / non-existing translation fall back to main field
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language = get_language()
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val = self.__dict__["%s_%s" % (name, language)]
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if not val:
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val = self.__dict__["%s_%s" % (name, settings.LANGUAGE_CODE)]
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return val
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setattr(cls, name, property(translated_value))
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class TranslatableTextField(models.TextField):
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def __init__(self, verbose_name=None, **kwargs):
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self._blank = kwargs.get("blank", False)
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self._editable = kwargs.get("editable", True)
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super(TranslatableTextField, self).__init__(verbose_name, **kwargs)
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def contribute_to_class(self, cls, name, virtual_only=False):
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if not cls._meta.abstract:
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for lang_code, lang_name in settings.LANGUAGES:
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if lang_code == settings.LANGUAGE_CODE:
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_blank = self._blank
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else:
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_blank = True
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localized_field = models.TextField(
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string_concat(self.verbose_name, " (%s)" % lang_code),
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name=self.name,
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primary_key=self.primary_key,
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max_length=self.max_length,
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unique=self.unique,
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blank=_blank,
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null=False, # intentionally ignored
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db_index=self.db_index,
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rel=self.rel,
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default=self.default or "",
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editable=self._editable,
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serialize=self.serialize,
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choices=self.choices,
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help_text=self.help_text,
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db_column=None,
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db_tablespace=self.db_tablespace
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)
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localized_field.contribute_to_class(
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cls, "%s_%s" % (name, lang_code),
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)
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def translated_value(self):
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language = get_language()
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val = self.__dict__["%s_%s" % (name, language)]
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if not val:
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val = self.__dict__["%s_%s" % (name, settings.LANGUAGE_CODE)]
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8 years ago
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return val
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8 years ago
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setattr(cls, name, property(translated_value))
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