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# -*- coding: utf-8 -*- |
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# |
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# This file is part of SENAITE.CORE. |
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# |
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# SENAITE.CORE is free software: you can redistribute it and/or modify it under |
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# the terms of the GNU General Public License as published by the Free Software |
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# Foundation, version 2. |
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# |
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# This program is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU 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 General Public License along with |
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# this program; if not, write to the Free Software Foundation, Inc., 51 |
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# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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# |
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# Copyright 2018-2024 by it's authors. |
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# Some rights reserved, see README and LICENSE. |
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from datetime import timedelta |
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from senaite.core.interfaces import ISenaiteFormLayer |
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from senaite.core.schema.interfaces import IDurationField |
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from senaite.core.z3cform.interfaces import IDurationWidget |
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from senaite.core.z3cform.widgets.basewidget import BaseWidget |
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from z3c.form.browser import widget |
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from z3c.form.browser.widget import HTMLInputWidget |
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from z3c.form.converter import TimedeltaDataConverter |
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from z3c.form.interfaces import IFieldWidget |
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from z3c.form.widget import FieldWidget |
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from zope.component import adapter |
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from zope.interface import implementer |
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@adapter(IDurationField, IDurationWidget) |
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class DurationDataConverter(TimedeltaDataConverter): |
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"""Converts the value between the field and the widget |
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""" |
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def toWidgetValue(self, value): |
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"""Converts from field value to widget |
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""" |
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if not isinstance(value, timedelta): |
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return {} |
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# Note timedelta keeps days and seconds a part! |
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return { |
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"days": value.days, |
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"hours": (value.seconds / 3600) % 24, # hours within a day |
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"minutes": (value.seconds / 60) % 60, # minutes within an hour |
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"seconds": value.seconds % 60, # seconds within a minute |
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} |
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def toFieldValue(self, value): |
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"""Converts from widget to field value |
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""" |
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return timedelta(**value) |
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@implementer(IDurationWidget) |
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class DurationWidget(HTMLInputWidget, BaseWidget): |
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"""Widget for duration in days, hours, minutes and seconds |
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""" |
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klass = u"senaite-duration-widget" |
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# Basic properties |
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show_days = True |
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show_hours = True |
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show_minutes = True |
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show_seconds = False |
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def update(self): |
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"""Computes self.value for the widget templates |
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see z3c.form.widget.Widget |
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""" |
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super(DurationWidget, self).update() |
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widget.addFieldClass(self) |
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@adapter(IDurationField, ISenaiteFormLayer) |
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@implementer(IFieldWidget) |
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def DurationWidgetFactory(field, request): |
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"""Widget factory for duration field |
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""" |
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return FieldWidget(field, DurationWidget(request)) |
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senaite /
senaite.core
