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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 bika.lims import api |
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from plone.z3cform.fieldsets.interfaces import IDescriptiveGroup |
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from z3c.form.interfaces import ISubForm |
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from z3c.form.widget import Widget |
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class BaseWidget(Widget): |
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def get_form(self): |
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"""Return the current form of the widget |
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""" |
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if not self.form: |
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return None |
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form = self.form |
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# form is a fieldset group |
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if IDescriptiveGroup.providedBy(form): |
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form = form.parentForm |
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# form is a subform (e.g. DataGridFieldObjectSubForm) |
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if ISubForm.providedBy(form): |
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form = form.parentForm |
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return form |
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def get_portal_type(self, default=None): |
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"""Extract the portal type from the form or the query |
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""" |
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form = self.get_form() |
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portal_type = getattr(form, "portal_type", None) |
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if not portal_type: |
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query = getattr(self, "query", {}) |
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portal_type = query.get("portal_type") |
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if api.is_list(portal_type): |
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portal_type = portal_type[0] |
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return portal_type or default |
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def get_context(self): |
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"""Get the current context |
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NOTE: If we are in the ++add++ form, `self.context` is the container! |
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Therefore, we create one here to have access to the methods. |
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""" |
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# We are in the edit view. Return the context directly |
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schema_iface = self.field.interface if self.field else None |
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if schema_iface and schema_iface.providedBy(self.context): |
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return self.context |
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# We might be in a subform or in a datagrid widget. |
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# Therefore, `self.context` is not set or set to `<NO_VALUE>` |
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form = self.get_form() |
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portal_type = self.get_portal_type() |
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context = getattr(form, "context", None) |
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# no context found, return |
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# happens e.g. in the `datetimewidget.txt` doctest |
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if context is None: |
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return None |
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# Hack alert! |
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# we are in ++add++ form and have no context! |
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# Create a temporary object to be able to access class methods |
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view = api.get_view("temporary_context", context=context) |
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return view.create_temporary_context(portal_type) |
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senaite /
senaite.core
