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re2o/re2o/widgets.py

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3.1 KiB
Python

# -*- mode: python; coding: utf-8 -*-
# Re2o est un logiciel d'administration développé initiallement au Rézo Metz. Il
# se veut agnostique au réseau considéré, de manière à être installable en
# quelques clics.
#
# Copyright © 2021 Gabriel Détraz
# Copyright © 2021 Jean-Romain Garnier
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Re2o Forms and ModelForms Widgets.
Used in others forms for using autocomplete engine.
"""
from django.utils.translation import ugettext as _
from dal import autocomplete
class AutocompleteModelWidget(autocomplete.ModelSelect2):
""" A mixin subclassing django-autocomplete-light's Select2 model to pass default options
See https://django-autocomplete-light.readthedocs.io/en/master/tutorial.html#passing-options-to-select2
"""
def __init__(self, *args, **kwargs):
select2_attrs = kwargs.get("attrs", {})
kwargs["attrs"] = self.fill_default_select2_attrs(select2_attrs)
super().__init__(*args, **kwargs)
def fill_default_select2_attrs(self, attrs):
"""
See https://select2.org/configuration/options-api
"""
# Display the "x" button to clear the input by default
attrs["data-allow-clear"] = attrs.get("data-allow-clear", "true")
# If there are less than 10 results, just show all of them (no need to autocomplete)
attrs["data-minimum-results-for-search"] = attrs.get(
"data-minimum-results-for-search", 10
)
return attrs
class AutocompleteMultipleModelWidget(autocomplete.ModelSelect2Multiple):
""" A mixin subclassing django-autocomplete-light's Select2 model to pass default options
See https://django-autocomplete-light.readthedocs.io/en/master/tutorial.html#passing-options-to-select2
"""
def __init__(self, *args, **kwargs):
select2_attrs = kwargs.get("attrs", {})
kwargs["attrs"] = self.fill_default_select2_attrs(select2_attrs)
super().__init__(*args, **kwargs)
def fill_default_select2_attrs(self, attrs):
"""
See https://select2.org/configuration/options-api
"""
# Display the "x" button to clear the input by default
attrs["data-allow-clear"] = attrs.get("data-allow-clear", "true")
# If there are less than 10 results, just show all of them (no need to autocomplete)
attrs["data-minimum-results-for-search"] = attrs.get(
"data-minimum-results-for-search", 10
)
return attrs