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adapter.py
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adapter.py
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""" Adapters
"""
import logging
from zope.interface import implementer
from Products.CMFCore.utils import getToolByName
from eea.facetednavigation.indexes.language.interfaces import (
ILanguageWidgetAdapter,
)
logger = logging.getLogger('eea.facetednavigation')
@implementer(ILanguageWidgetAdapter)
class LanguageWidgetAdapter(object):
""" Handler for language widgets
"""
def __init__(self, widget, context):
self.widget = widget
self.context = context
@property
def default(self):
""" Override default widget value
"""
if self.widget.data.get('default', ''):
return self.language
return ''
@property
def all_languages(self):
""" Return all available languages
"""
codes = []
ltool = getToolByName(self.context, 'portal_languages', None)
if ltool is not None:
lang = ltool.getAvailableLanguages()
codes = lang.keys()
codes.append('')
return codes
@property
def language(self):
""" Get context language
"""
try:
lang = self.context.getLanguage()
except AttributeError:
lang = ''
return lang or self.context.REQUEST.get('LANGUAGE', '')
def __call__(self, form):
"""
"""
logger.debug(form)
# Counting results per language
if form.get('_language_count_', False):
return {'Language': self.all_languages}
# Global settings
if self.widget.hidden:
if not self.widget.default:
# "All" languages
return {'Language': self.all_languages}
# Context or Session language
return {'Language': self.language}
# Non AJAX call
if not form.get('ajax', True):
return {}
query = self.widget.query(form)
lang = query.get('Language', '')
if isinstance(lang, dict):
lang = lang.get('query', '')
# All languages
if not lang:
return {'Language': self.all_languages}
return query