calibre/src/calibre/gui2/languages.py

79 lines
2.6 KiB
Python

#!/usr/bin/env python
# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
from __future__ import (unicode_literals, division, absolute_import,
print_function)
__license__ = 'GPL v3'
__copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
from calibre.gui2.complete import MultiCompleteComboBox
from calibre.utils.localization import lang_map
from calibre.utils.icu import sort_key, lower
class LanguagesEdit(MultiCompleteComboBox):
def __init__(self, parent=None, db=None):
MultiCompleteComboBox.__init__(self, parent)
self.setSizeAdjustPolicy(self.AdjustToMinimumContentsLengthWithIcon)
self.setMinimumContentsLength(20)
self._lang_map = lang_map()
self.names_with_commas = [x for x in self._lang_map.itervalues() if ',' in x]
self.comma_map = {k:k.replace(',', '|') for k in self.names_with_commas}
self.comma_rmap = {v:k for k, v in self.comma_map.iteritems()}
self._rmap = {lower(v):k for k,v in self._lang_map.iteritems()}
if db is not None:
self.init_langs(db)
def init_langs(self, db):
pmap = {self._lang_map.get(x[1], x[1]):1 for x in
db.get_languages_with_ids()}
all_items = sorted(self._lang_map.itervalues(),
key=lambda x: (-pmap.get(x, 0), sort_key(x)))
self.update_items_cache(all_items)
for item in all_items:
self.addItem(item)
@property
def vals(self):
raw = unicode(self.lineEdit().text())
for k, v in self.comma_map.iteritems():
raw = raw.replace(k, v)
parts = [x.strip() for x in raw.split(',')]
return [self.comma_rmap.get(x, x) for x in parts]
@dynamic_property
def lang_codes(self):
def fget(self):
vals = self.vals
ans = []
for name in vals:
if name:
code = self._rmap.get(lower(name), None)
if code is not None:
ans.append(code)
return ans
def fset(self, lang_codes):
ans = []
for lc in lang_codes:
name = self._lang_map.get(lc, None)
if name is not None:
ans.append(name)
self.setEditText(', '.join(ans))
return property(fget=fget, fset=fset)
def validate(self):
vals = self.vals
bad = []
for name in vals:
if name:
code = self._rmap.get(lower(name), None)
if code is None:
bad.append(name)
return bad