Source code for camelot.admin.not_editable_admin

#  ============================================================================
#
#  Copyright (C) 2007-2011 Conceptive Engineering bvba. All rights reserved.
#  www.conceptive.be / project-camelot@conceptive.be
#
#  This file is part of the Camelot Library.
#
#  This file may be used under the terms of the GNU General Public
#  License version 2.0 as published by the Free Software Foundation
#  and appearing in the file license.txt included in the packaging of
#  this file.  Please review this information to ensure GNU
#  General Public Licensing requirements will be met.
#
#  If you are unsure which license is appropriate for your use, please
#  visit www.python-camelot.com or contact project-camelot@conceptive.be
#
#  This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
#  WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
#  For use of this library in commercial applications, please contact
#  project-camelot@conceptive.be
#
#  ============================================================================

"""Class decorator to make all fields visualized with the Admin into read-only
fields"""

from copy import copy
from itertools import tee

[docs]def notEditableAdmin(original_admin, actions=False, editable_fields=None): """Turn all fields visualized with original_admin into read only fields :param original_admin: an implementation of ObjectAdmin :param actions: True if the notEditableAdmin should have its actions enabled, default to False :param editable_fields: list of fields that should remain editable usage :: class Movie(Entity): name = Field(Unicode(50)) contributions = Field(Unicode(255)) class Admin(EntityAdmin): list_display = ['name', 'contributions] Admin = notEditableAdmin(Admin, editable_fields=['contributions']) """ class NewAdmin(original_admin): def get_related_entity_admin(self, entity): admin = original_admin.get_related_entity_admin(self, entity) class AdminReadOnlyDecorator(object): def __init__(self, original_admin, editable_fields): self._original_admin = original_admin self._editable_fields = editable_fields self._field_attributes = dict() def _process_field_attributes(self, field, attributes): if not 'editable' in attributes: return attributes if attributes['editable']==False: return attributes if self._editable_fields and field in self._editable_fields: return attributes new_attributes = copy( attributes ) new_attributes['editable'] = False return new_attributes def __getattr__(self, name): return getattr( self._original_admin, name) def get_fields(self): fields = self._original_admin.get_fields() return [(field_name, self._process_field_attributes(field_name, _attrs)) for field_name,_attrs in fields] def get_field_attributes(self, field_name): attributes = self._original_admin.get_field_attributes(field_name) return self._process_field_attributes(field_name, attributes) def get_dynamic_field_attributes(self, obj, field_names): fn1, fn2 = tee(field_names, 2) dynamic_fa = self._original_admin.get_dynamic_field_attributes(obj, fn1) return [self._process_field_attributes(name, attributes) for name,attributes in zip(fn2, dynamic_fa)] def get_static_field_attributes(self, field_names): fn1, fn2 = tee(field_names, 2) static_fa = self._original_admin.get_static_field_attributes(fn1) return [self._process_field_attributes(name, attributes) for name,attributes in zip(fn2, static_fa)] def get_related_entity_admin(self, entity): return AdminReadOnlyDecorator(self._original_admin.get_related_entity_admin(entity), self._editable_fields) def get_form_actions(self, *a, **kwa): return [] def get_list_actions(self, *a, **kwa): return [] def get_columns(self): return [(field, self._process_field_attributes(field, attrs)) for field, attrs in self._original_admin.get_columns()] return AdminReadOnlyDecorator(admin, editable_fields) def get_field_attributes(self, field_name): attribs = original_admin.get_field_attributes(self, field_name) if editable_fields and field_name in editable_fields: attribs['editable'] = True else: attribs['editable'] = False return attribs def get_form_actions(self, *a, **kwa): return [] def get_list_actions(self, *a, **kwa): return [] return NewAdmin

Comments
blog comments powered by Disqus