web/views/undohistory.py
author Julien Cristau <julien.cristau@logilab.fr>
Fri, 13 Feb 2015 09:46:19 +0100
changeset 10244 485c7df50ca7
parent 8292 6f2de09b29e8
child 10662 10942ed172de
permissions -rw-r--r--
[web/views] set explicit order for ManageSourcesAction Gives predictable ordering wrt ManageUsersAction under python -R. Related to #4959402.
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# copyright 2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb 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 Lesser 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 Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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__docformat__ = "restructuredtext en"
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_ = unicode
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from logilab.common.registry import Predicate
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from cubicweb import UnknownEid, tags, transaction as tx
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from cubicweb.view import View, StartupView
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from cubicweb.predicates import match_kwargs, ExpectedValuePredicate
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from cubicweb.schema import display_name
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class undoable_action(Predicate):
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    """Select only undoable actions depending on filters provided. Undo Action
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    is expected to be specified by the `tx_action` argument.
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    Currently the only implemented filter is:
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    :param action_type: chars among CUDAR (standing for Create, Update, Delete,
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                        Add, Remove)
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    """
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    # XXX FIXME : this selector should be completed to allow selection on the
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    # entity or relation types and public / private.
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    def __init__(self, action_type='CUDAR'):
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        assert not set(action_type) - set('CUDAR')
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        self.action_type = action_type
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    def __str__(self):
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        return '%s(%s)' % (self.__class__.__name__, ', '.join(
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            "%s=%v" % (str(k), str(v)) for k, v in kwargs.iteritems() ))
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    def __call__(self, cls, req, tx_action=None, **kwargs):
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        # tx_action is expected to be a transaction.AbstractAction
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        if not isinstance(tx_action, tx.AbstractAction):
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            return 0
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        # Filter according to action type
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        return int(tx_action.action in self.action_type)
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class UndoHistoryView(StartupView):
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    __regid__ = 'undohistory'
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    title = _('Undoing')
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    item_vid = 'undoable-transaction-view'
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    cache_max_age = 0
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    redirect_path = 'view' #TODO
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    redirect_params = dict(vid='undohistory') #TODO
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    public_actions_only = True
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    # TODO Allow to choose if if want all actions or only the public ones
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    # (default)
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    def call(self, **kwargs):
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        txs = self._cw.cnx.undoable_transactions()
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        if txs :
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            self.w(u"<ul class='undo-transactions'>")
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            for tx in txs:
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                self.cell_call(tx)
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            self.w(u"</ul>")
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    def cell_call(self, tx):
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        self.w(u'<li>')
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        self.wview(self.item_vid, None, txuuid=tx.uuid,
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                   public=self.public_actions_only,
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                   redirect_path=self.redirect_path,
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                   redirect_params=self.redirect_params)
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        self.w(u'</li>\n')
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class UndoableTransactionView(View):
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    __regid__ = 'undoable-transaction-view'
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    __select__ = View.__select__ & match_kwargs('txuuid')
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    item_vid = 'undoable-action-list-view'
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    cache_max_age = 0
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    def build_undo_link(self, txuuid,
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                        redirect_path=None, redirect_params=None):
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        """ the kwargs are passed to build_url"""
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        _ = self._cw._
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        redirect = {}
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        if redirect_path:
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            redirect['__redirectpath'] = redirect_path
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        if redirect_params:
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            if isinstance(redirect_params, dict):
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                redirect['__redirectparams'] = self._cw.build_url_params(**redirect_params)
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   106
            else:
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   107
                redirect['__redirectparams'] = redirect_params
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   108
        link_url = self._cw.build_url('undo', txuuid=txuuid, **redirect)
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   109
        msg = u"<span class='undo'>%s</span>" % tags.a( _('undo'), href=link_url)
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   110
        return msg
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   111
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   112
    def call(self, txuuid, public=True,
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   113
             redirect_path=None, redirect_params=None):
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   114
        _ = self._cw._
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   115
        txinfo = self._cw.cnx.transaction_info(txuuid)
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   116
        try:
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   117
            #XXX Under some unknown circumstances txinfo.user_eid=-1
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   118
            user = self._cw.entity_from_eid(txinfo.user_eid)
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   119
        except UnknownEid:
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   120
            user = None
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   121
        undo_url = self.build_undo_link(txuuid,
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   122
                                        redirect_path=redirect_path,
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   123
                                        redirect_params=redirect_params)
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   124
        txinfo_dict = dict( dt = self._cw.format_date(txinfo.datetime, time=True),
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   125
                            user_eid = txinfo.user_eid,
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   126
                            user = user and user.view('outofcontext') or _("undefined user"),
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   127
                            txuuid = txuuid,
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   128
                            undo_link = undo_url)
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   129
        self.w( _("By %(user)s on %(dt)s [%(undo_link)s]") % txinfo_dict)
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   130
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   131
        tx_actions = txinfo.actions_list(public=public)
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   132
        if tx_actions :
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   133
            self.wview(self.item_vid, None, tx_actions=tx_actions)
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   134
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   135
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   136
class UndoableActionListView(View):
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    __regid__ = 'undoable-action-list-view'
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   138
    __select__ = View.__select__ & match_kwargs('tx_actions')
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   139
    title = _('Undoable actions')
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   140
    item_vid = 'undoable-action-view'
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   141
    cache_max_age = 0
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   142
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   143
    def call(self, tx_actions):
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   144
        if tx_actions :
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   145
            self.w(u"<ol class='undo-actions'>")
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   146
            for action in tx_actions:
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   147
                self.cell_call(action)
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   148
            self.w(u"</ol>")
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   149
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   150
    def cell_call(self, action):
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   151
        self.w(u'<li>')
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   152
        self.wview(self.item_vid, None, tx_action=action)
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   153
        self.w(u'</li>\n')
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   154
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   155
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   156
class UndoableActionBaseView(View):
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   157
    __regid__ = 'undoable-action-view'
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   158
    __abstract__ = True
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   159
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   160
    def call(self, tx_action):
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   161
        raise NotImplementedError(self)
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   162
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   163
    def _build_entity_link(self, eid):
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   164
        try:
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   165
            entity = self._cw.entity_from_eid(eid)
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   166
            return entity.view('outofcontext')
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   167
        except UnknownEid:
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   168
            return _("(suppressed) entity #%d") % eid
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   169
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   170
    def _build_relation_info(self, rtype, eid_from,  eid_to):
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   171
        return dict( rtype=display_name(self._cw, rtype),
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   172
                     entity_from=self._build_entity_link(eid_from),
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   173
                     entity_to=self._build_entity_link(eid_to) )
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   174
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   175
    def _build_entity_info(self, etype, eid, changes):
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   176
        return dict( etype=display_name(self._cw, etype),
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   177
                     entity=self._build_entity_link(eid),
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   178
                     eid=eid,
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   179
                     changes=changes)
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   180
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   181
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   182
class UndoableAddActionView(UndoableActionBaseView):
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   183
    __select__ = UndoableActionBaseView.__select__ & undoable_action(action_type='A')
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   184
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   185
    def call(self, tx_action):
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   186
        _ = self._cw._
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   187
        self.w(_("Added relation : %(entity_from)s %(rtype)s %(entity_to)s") %
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   188
               self._build_relation_info(tx_action.rtype, tx_action.eid_from, tx_action.eid_to))
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   189
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   190
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   191
class UndoableRemoveActionView(UndoableActionBaseView):
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   192
    __select__ = UndoableActionBaseView.__select__ & undoable_action(action_type='R')
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   193
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   194
    def call(self, tx_action):
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   195
        _ = self._cw._
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   196
        self.w(_("Delete relation : %(entity_from)s %(rtype)s %(entity_to)s") %
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   197
               self._build_relation_info(tx_action.rtype, tx_action.eid_from, tx_action.eid_to))
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   198
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   199
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   200
class UndoableCreateActionView(UndoableActionBaseView):
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   201
    __select__ = UndoableActionBaseView.__select__ & undoable_action(action_type='C')
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   202
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   203
    def call(self, tx_action):
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   204
        _ = self._cw._
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   205
        self.w(_("Created %(etype)s : %(entity)s") % #  : %(changes)s
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   206
               self._build_entity_info( tx_action.etype, tx_action.eid, tx_action.changes) )
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   207
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   208
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   209
class UndoableDeleteActionView(UndoableActionBaseView):
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    __select__ = UndoableActionBaseView.__select__ & undoable_action(action_type='D')
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    def call(self, tx_action):
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        _ = self._cw._
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        self.w(_("Deleted %(etype)s : %(entity)s") %
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               self._build_entity_info( tx_action.etype, tx_action.eid, tx_action.changes))
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class UndoableUpdateActionView(UndoableActionBaseView):
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    __select__ = UndoableActionBaseView.__select__ & undoable_action(action_type='U')
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    def call(self, tx_action):
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        _ = self._cw._
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        self.w(_("Updated %(etype)s : %(entity)s") %
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               self._build_entity_info( tx_action.etype, tx_action.eid, tx_action.changes))