X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/0a428c3de0e6bcfc863f105101ec1bdb44bbf9de..928238fa50be76c41c98d42d040d969ff14b5c37:/apps/catalogue/fields.py?ds=sidebyside diff --git a/apps/catalogue/fields.py b/apps/catalogue/fields.py index 55b38cc0a..654dbfb21 100644 --- a/apps/catalogue/fields.py +++ b/apps/catalogue/fields.py @@ -1,10 +1,12 @@ # -*- coding: utf-8 -*- +# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. +# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. +# import datetime from django.conf import settings from django.db import models from django.db.models import signals -from django.dispatch import dispatcher from django import forms from django.forms.widgets import flatatt from django.forms.util import smart_unicode @@ -32,35 +34,39 @@ def loads(str): return json.loads(str, encoding=settings.DEFAULT_CHARSET) +class JSONFormField(forms.CharField): + widget = forms.Textarea + + def clean(self, value): + try: + loads(value) + return value + except ValueError, e: + raise forms.ValidationError(_('Enter a valid JSON value. Error: %s') % e) + + class JSONField(models.TextField): + def formfield(self, **kwargs): + defaults = {'form_class': JSONFormField} + defaults.update(kwargs) + return super(JSONField, self).formfield(**defaults) + def db_type(self): return 'text' - + def get_internal_type(self): return 'TextField' - def pre_save(self, model_instance, add): - value = getattr(model_instance, self.attname, None) - return dumps(value) - def contribute_to_class(self, cls, name): super(JSONField, self).contribute_to_class(cls, name) - dispatcher.connect(self.post_init, signal=signals.post_init, sender=cls) - - def get_json(model_instance): - return dumps(getattr(model_instance, self.attname, None)) - setattr(cls, 'get_%s_json' % self.name, get_json) - - def set_json(model_instance, json): - return setattr(model_instance, self.attname, loads(json)) - setattr(cls, 'set_%s_json' % self.name, set_json) + + def get_value(model_instance): + return loads(getattr(model_instance, self.attname, None)) + setattr(cls, 'get_%s_value' % self.name, get_value) - def post_init(self, instance=None): - value = self.value_from_object(instance) - if (value): - setattr(instance, self.attname, loads(value)) - else: - setattr(instance, self.attname, None) + def set_value(model_instance, json): + return setattr(model_instance, self.attname, dumps(json)) + setattr(cls, 'set_%s_value' % self.name, set_value) class JQueryAutoCompleteWidget(forms.TextInput): @@ -77,7 +83,7 @@ class JQueryAutoCompleteWidget(forms.TextInput): if self.options: options += ', %s' % self.options - return u'$(\'#%s\').autocomplete(%s%s);' % (field_id, source, options) + return u'$(\'#%s\').autocomplete(%s%s).result(autocomplete_result_handler);' % (field_id, source, options) def render(self, name, value=None, attrs=None): final_attrs = self.build_attrs(attrs, name=name)