X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/b80f646690239d9a90d708d57780f328328b26d5..531ad4bc4cab82f8c5dc3569c3835328df892a83:/apps/catalogue/fields.py diff --git a/apps/catalogue/fields.py b/apps/catalogue/fields.py index 57ce58189..5ab78eb03 100644 --- a/apps/catalogue/fields.py +++ b/apps/catalogue/fields.py @@ -2,135 +2,8 @@ # 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 functools import wraps - -from django.conf import settings from django.db import models from django.db.models.fields.files import FieldFile -from django.db.models import signals -from django import forms -from django.forms.widgets import flatatt -from django.utils.encoding import smart_unicode -from django.utils import simplejson as json -from django.utils.html import escape -from django.utils.safestring import mark_safe -from django.utils.translation import ugettext_lazy as _ - - -class JSONEncoder(json.JSONEncoder): - def default(self, obj): - if isinstance(obj, datetime.datetime): - return obj.strftime('%Y-%m-%d %H:%M:%S') - elif isinstance(obj, datetime.date): - return obj.strftime('%Y-%m-%d') - elif isinstance(obj, datetime.time): - return obj.strftime('%H:%M:%S') - return json.JSONEncoder.default(self, obj) - - -def dumps(data): - return JSONEncoder().encode(data) - - -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, connection): - return 'text' - - def get_internal_type(self): - return 'TextField' - - def contribute_to_class(self, cls, name): - super(JSONField, self).contribute_to_class(cls, name) - - def get_value(model_instance): - return loads(getattr(model_instance, self.attname, None)) - setattr(cls, 'get_%s_value' % self.name, get_value) - - 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): - def __init__(self, options, *args, **kwargs): - self.options = dumps(options) - super(JQueryAutoCompleteWidget, self).__init__(*args, **kwargs) - - def render_js(self, field_id, options): - return u'$(\'#%s\').autocomplete(%s).result(autocomplete_result_handler);' % (field_id, options) - - def render(self, name, value=None, attrs=None): - final_attrs = self.build_attrs(attrs, name=name) - if value: - final_attrs['value'] = smart_unicode(value) - - if not self.attrs.has_key('id'): - final_attrs['id'] = 'id_%s' % name - - html = u''' - - ''' % { - 'attrs': flatatt(final_attrs), - 'js' : self.render_js(final_attrs['id'], self.options), - } - - return mark_safe(html) - - -class JQueryAutoCompleteSearchWidget(JQueryAutoCompleteWidget): - def __init__(self, *args, **kwargs): - super(JQueryAutoCompleteSearchWidget, self).__init__(*args, **kwargs) - - def render_js(self, field_id, options): - return u""" - $('#%s') - .autocomplete($.extend({ - minLength: 0, - select: autocomplete_result_handler, - focus: function (ui, item) { return false; } - }, %s)) - .data("autocomplete")._renderItem = autocomplete_format_item; - """ % (field_id, options) - - -class JQueryAutoCompleteField(forms.CharField): - def __init__(self, source, options={}, *args, **kwargs): - if 'widget' not in kwargs: - options['source'] = source - kwargs['widget'] = JQueryAutoCompleteWidget(options) - - super(JQueryAutoCompleteField, self).__init__(*args, **kwargs) - - -class JQueryAutoCompleteSearchField(forms.CharField): - def __init__(self, source, options={}, *args, **kwargs): - if 'widget' not in kwargs: - options['source'] = source - kwargs['widget'] = JQueryAutoCompleteSearchWidget(options) - - super(JQueryAutoCompleteSearchField, self).__init__(*args, **kwargs) class OverwritingFieldFile(FieldFile): @@ -156,7 +29,6 @@ try: # check for south from south.modelsinspector import add_introspection_rules - add_introspection_rules([], ["^catalogue\.fields\.JSONField"]) add_introspection_rules([], ["^catalogue\.fields\.OverwritingFileField"]) except ImportError: pass