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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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# Copyright 2018 by it's authors. |
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# Some rights reserved. See LICENSE.rst, CONTRIBUTORS.rst. |
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from Products.CMFCore.utils import getToolByName |
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from bika.lims import logger |
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from bika.lims.interfaces import IATWidgetVisibility |
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from types import DictType |
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from plone import api |
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from Acquisition import aq_base |
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from zope.component import getAdapters |
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_marker = [] |
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# Products.Archetypes.Schema.Schemata#editableFields |
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def editableFields(self, instance, visible_only=False): |
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"""Returns a list of editable fields for the given instance |
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""" |
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ret = [] |
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portal = getToolByName(instance, 'portal_url').getPortalObject() |
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for field in self.fields(): |
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if field.writeable(instance, debug=False) and \ |
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(not visible_only or |
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field.widget.isVisible( |
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instance, mode='edit', field=field) != 'invisible') and \ |
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field.widget.testCondition(instance.aq_parent, portal, instance): |
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ret.append(field) |
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return ret |
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# Products.Archetypes.Widget.TypesWidget#isVisible |
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def isVisible(self, instance, mode='view', default="visible", field=None): |
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"""decide if a field is visible in a given mode -> 'state'. |
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""" |
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# Emulate Products.Archetypes.Widget.TypesWidget#isVisible first |
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vis_dic = getattr(aq_base(self), 'visible', _marker) |
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state = default |
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if vis_dic is _marker: |
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return state |
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if type(vis_dic) is DictType: |
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state = vis_dic.get(mode, state) |
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elif not vis_dic: |
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state = 'invisible' |
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elif vis_dic < 0: |
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state = 'hidden' |
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# Our custom code starts here |
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if not field: |
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return state |
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# Look for visibility from the adapters provided by IATWidgetVisibility |
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adapters = sorted(getAdapters([instance], IATWidgetVisibility), |
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key=lambda adapter: getattr(adapter[1], "sort", 1000), |
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reverse=True) |
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for adapter_name, adapter in adapters: |
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if field.getName() not in getattr(adapter, "field_names", []): |
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# Omit those adapters that are not suitable for this field |
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continue |
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adapter_state = adapter(instance, mode, field, state) |
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adapter_name = adapter.__class__.__name__ |
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logger.info("IATWidgetVisibility rule {} for {}.{} ({}): {} -> {}" |
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.format(adapter_name, instance.id, field.getName(), mode, state, |
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adapter_state)) |
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if adapter_state == state: |
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continue |
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return adapter_state |
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return state |
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senaite /
senaite.core
