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d555b23275
* Add optional filters for organizer and event-permission on event-typeahead * include _none option only if no search query given Co-authored-by: luelista <weller@rami.io> * allow _none in Select2, add ModelChoiceFieldWithNone * fix flake8 --------- Co-authored-by: luelista <weller@rami.io>
109 lines
3.5 KiB
Python
109 lines
3.5 KiB
Python
#
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# This file is part of pretix (Community Edition).
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#
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# Copyright (C) 2014-2020 Raphael Michel and contributors
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# Copyright (C) 2020-today pretix GmbH and contributors
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#
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# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
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# Public License as published by the Free Software Foundation in version 3 of the License.
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#
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# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
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# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
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# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
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# this file, see <https://pretix.eu/about/en/license>.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
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# <https://www.gnu.org/licenses/>.
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#
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from django import forms
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class Select2Mixin:
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template_name = 'pretixcontrol/select2_widget.html'
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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def options(self, name, value, attrs=None):
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if not value or not value[0]:
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return
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has_none = "_none" in value
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if has_none:
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value = [v for v in value if v != "_none"]
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yield self.create_option(
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None,
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"_none",
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self.choices.field.none_label,
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True,
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0,
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subindex=None,
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attrs=attrs
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)
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for i, selected in enumerate(self.choices.queryset.filter(pk__in=value)):
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yield self.create_option(
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None,
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self.choices.field.prepare_value(selected),
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self.choices.field.label_from_instance(selected),
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True,
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i + (1 if has_none else 0),
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subindex=None,
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attrs=attrs
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)
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return
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def optgroups(self, name, value, attrs=None):
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if value:
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return [
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(None, [c], i)
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for i, c in enumerate(self.options(name, value, attrs))
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]
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return
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class Select2(Select2Mixin, forms.Select):
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pass
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class Select2Multiple(Select2Mixin, forms.SelectMultiple):
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pass
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class Select2ItemVarQuotaMixin(Select2Mixin):
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def options(self, name, value, attrs=None):
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if value and value[0]:
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yield self.create_option(
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None,
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value[0],
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dict(self.choices)[value[0]],
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True,
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0,
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subindex=None,
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attrs=attrs
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)
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return
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class Select2ItemVarQuota(Select2ItemVarQuotaMixin, forms.Select):
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pass
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class Select2ItemVarMulti(Select2Mixin, forms.SelectMultiple):
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def options(self, name, value, attrs=None):
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# we need this for multi-selection without a queryset for the selection of items and variations
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for i, v in enumerate(value):
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yield self.create_option(
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None,
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v,
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dict(self.choices)[v],
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True,
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i,
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subindex=None,
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attrs=attrs
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)
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return
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