web/views/editcontroller.py
author Aurelien Campeas <aurelien.campeas@logilab.fr>
Wed, 05 Mar 2014 15:49:23 +0100
branchstable
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child 9256 697a8181ba30
permissions -rw-r--r--
[pkg] prepare 3.17.14
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# copyright 2003-2013 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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"""The edit controller, automatically handling entity form submitting"""
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__docformat__ = "restructuredtext en"
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from warnings import warn
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from collections import defaultdict
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from logilab.common.deprecation import deprecated
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from logilab.common.graph import ordered_nodes
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from rql.utils import rqlvar_maker
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from cubicweb import Binary, ValidationError
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from cubicweb.view import EntityAdapter, implements_adapter_compat
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from cubicweb.predicates import is_instance
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from cubicweb.web import (INTERNAL_FIELD_VALUE, RequestError, NothingToEdit,
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                          ProcessFormError)
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from cubicweb.web.views import basecontrollers, autoform
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class IEditControlAdapter(EntityAdapter):
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    __needs_bw_compat__ = True
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    __regid__ = 'IEditControl'
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    __select__ = is_instance('Any')
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    def __init__(self, _cw, **kwargs):
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        if self.__class__ is not IEditControlAdapter:
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            warn('[3.14] IEditControlAdapter is deprecated, override EditController'
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                 ' using match_edited_type or match_form_id selectors for example.',
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                 DeprecationWarning)
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        super(IEditControlAdapter, self).__init__(_cw, **kwargs)
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    @implements_adapter_compat('IEditControl')
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    def after_deletion_path(self):
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        """return (path, parameters) which should be used as redirect
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        information when this entity is being deleted
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        """
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        parent = self.entity.cw_adapt_to('IBreadCrumbs').parent_entity()
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        if parent is not None:
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            return parent.rest_path(), {}
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        return str(self.entity.e_schema).lower(), {}
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    @implements_adapter_compat('IEditControl')
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    def pre_web_edit(self):
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        """callback called by the web editcontroller when an entity will be
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        created/modified, to let a chance to do some entity specific stuff.
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        Do nothing by default.
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        """
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        pass
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def valerror_eid(eid):
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    try:
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        return int(eid)
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    except (ValueError, TypeError):
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        return eid
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class RqlQuery(object):
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    def __init__(self):
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        self.edited = []
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        self.restrictions = []
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        self.kwargs = {}
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    def __repr__(self):
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        return ('Query <edited=%r restrictions=%r kwargs=%r>' % (
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            self.edited, self.restrictions, self.kwargs))
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    def insert_query(self, etype):
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        if self.edited:
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            rql = 'INSERT %s X: %s' % (etype, ','.join(self.edited))
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        else:
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            rql = 'INSERT %s X' % etype
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        if self.restrictions:
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            rql += ' WHERE %s' % ','.join(self.restrictions)
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        return rql
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    def update_query(self, eid):
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        varmaker = rqlvar_maker()
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        var = varmaker.next()
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        while var in self.kwargs:
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            var = varmaker.next()
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        rql = 'SET %s WHERE X eid %%(%s)s' % (','.join(self.edited), var)
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        if self.restrictions:
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            rql += ', %s' % ','.join(self.restrictions)
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        self.kwargs[var] = eid
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        return rql
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    def set_attribute(self, attr, value):
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   107
        self.kwargs[attr] = value
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   108
        self.edited.append('X %s %%(%s)s' % (attr, attr))
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diff changeset
   109
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diff changeset
   110
    def set_inlined(self, relation, value):
b5762ac9a82e [editcontroller] extract RQLQuery.set_attribute/set_inlined methods from handle_field/handle_inlined_relation
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   111
        self.kwargs[relation] = value
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   112
        self.edited.append('X %s %s' % (relation, relation.upper()))
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diff changeset
   113
        self.restrictions.append('%s eid %%(%s)s' % (relation.upper(), relation))
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   114
0
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   116
class EditController(basecontrollers.ViewController):
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   117
    __regid__ = 'edit'
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   119
    def publish(self, rset=None):
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        """edit / create / copy / delete entity / relations"""
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   121
        for key in self._cw.form:
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            # There should be 0 or 1 action
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   123
            if key.startswith('__action_'):
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                cbname = key[1:]
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                try:
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   126
                    callback = getattr(self, cbname)
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                except AttributeError:
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   128
                    raise RequestError(self._cw._('invalid action %r' % key))
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                else:
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                    return callback()
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        self._default_publish()
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        self.reset()
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   134
    def _ordered_formparams(self):
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   135
        """ Return form parameters dictionaries for each edited entity.
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diff changeset
   136
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
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   137
        We ensure that entities can be created in this order accounting for
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
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   138
        mandatory inlined relations.
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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   139
        """
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   140
        req = self._cw
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   141
        graph = {}
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   142
        get_rschema = self._cw.vreg.schema.rschema
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   143
        # minparams = 2, because at least __type and eid are needed
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
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   144
        values_by_eid = dict((eid, req.extract_entity_params(eid, minparams=2))
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   145
                             for eid in req.edited_eids())
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   146
        # iterate over all the edited entities
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   147
        for eid, values in values_by_eid.iteritems():
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   148
            # add eid to the dependency graph
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   149
            graph.setdefault(eid, set())
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   150
            # search entity's edited fields for mandatory inlined relation
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   151
            for param in values['_cw_entity_fields'].split(','):
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   152
                try:
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   153
                    rtype, role = param.split('-')
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   154
                except ValueError:
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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   155
                    # e.g. param='__type'
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   156
                    continue
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   157
                rschema = get_rschema(rtype)
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   158
                if rschema.inlined:
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   159
                    for target in rschema.targets(values['__type'], role):
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   160
                        rdef = rschema.role_rdef(values['__type'], target, role)
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parents: 9178
diff changeset
   161
                        # if cardinality is 1 and if the target entity is being
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   162
                        # simultaneously edited, the current entity must be
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   163
                        # created before the target one
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   164
                        if rdef.cardinality[0] == '1':
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   165
                            target_eid = values[param]
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parents: 9178
diff changeset
   166
                            if target_eid in values_by_eid:
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   167
                                # add dependency from the target entity to the
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   168
                                # current one
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diff changeset
   169
                                if role == 'object':
13461cb8ff40 [editcontrollers] Account for role in the ordering of entities (Complements #3031719)
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diff changeset
   170
                                    graph.setdefault(target_eid, set()).add(eid)
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diff changeset
   171
                                else:
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diff changeset
   172
                                    graph.setdefault(eid, set()).add(target_eid)
9179
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diff changeset
   173
                                break
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   174
        for eid in reversed(ordered_nodes(graph)):
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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   175
            yield values_by_eid[eid]
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diff changeset
   176
0
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   177
    def _default_publish(self):
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   178
        req = self._cw
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   179
        self.errors = []
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   180
        self.relations_rql = []
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   181
        form = req.form
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diff changeset
   182
        # so we're able to know the main entity from the repository side
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diff changeset
   183
        if '__maineid' in form:
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diff changeset
   184
            req.set_shared_data('__maineid', form['__maineid'], txdata=True)
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   185
        # no specific action, generic edition
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   186
        self._to_create = req.data['eidmap'] = {}
9179
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   187
        # those two data variables are used to handle relation from/to entities
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   188
        # which doesn't exist at time where the entity is edited and that
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   189
        # deserves special treatment
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   190
        req.data['pending_inlined'] = defaultdict(set)
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   191
        req.data['pending_others'] = set()
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21468682f688 restore vital block of code (gone in 6384:89d5b339ebdd)
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parents: 6384
diff changeset
   192
        try:
9179
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   193
            for formparams in self._ordered_formparams():
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parents: 6384
diff changeset
   194
                eid = self.edit_entity(formparams)
8695
358d8bed9626 [toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 8556
diff changeset
   195
        except (RequestError, NothingToEdit) as ex:
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parents: 6384
diff changeset
   196
            if '__linkto' in req.form and 'eid' in req.form:
21468682f688 restore vital block of code (gone in 6384:89d5b339ebdd)
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parents: 6384
diff changeset
   197
                self.execute_linkto()
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diff changeset
   198
            elif not ('__delete' in req.form or '__insert' in req.form):
21468682f688 restore vital block of code (gone in 6384:89d5b339ebdd)
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parents: 6384
diff changeset
   199
                raise ValidationError(None, {None: unicode(ex)})
9179
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   200
        # all pending inlined relations to newly created entities have been
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   201
        # treated now (pop to ensure there are no attempt to add new ones)
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   202
        pending_inlined = req.data.pop('pending_inlined')
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   203
        assert not pending_inlined, pending_inlined
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   204
        # handle all other remaining relations now
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   205
        for form_, field in req.data.pop('pending_others'):
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   206
            self.handle_formfield(form_, field)
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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parents: 9178
diff changeset
   207
        # then execute rql to set all relations
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a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
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diff changeset
   208
        for querydef in self.relations_rql:
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            self._cw.execute(*querydef)
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        # XXX this processes *all* pending operations of *all* entities
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   211
        if '__delete' in req.form:
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            todelete = req.list_form_param('__delete', req.form, pop=True)
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   213
            if todelete:
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                autoform.delete_relations(self._cw, todelete)
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diff changeset
   215
        self._cw.remove_pending_operations()
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   216
        if self.errors:
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            errors = dict((f.name, unicode(ex)) for f, ex in self.errors)
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   218
            raise ValidationError(valerror_eid(form.get('__maineid')), errors)
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   219
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   220
    def _insert_entity(self, etype, eid, rqlquery):
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   221
        rql = rqlquery.insert_query(etype)
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   222
        try:
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            entity = self._cw.execute(rql, rqlquery.kwargs).get_entity(0, 0)
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   224
            neweid = entity.eid
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358d8bed9626 [toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
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diff changeset
   225
        except ValidationError as ex:
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diff changeset
   226
            self._to_create[eid] = ex.entity
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0a927fe4541b [controllers] deprecate JSonController and implement AjaxController / ajax-func registry (closes #2110265)
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diff changeset
   227
            if self._cw.ajax_request: # XXX (syt) why?
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diff changeset
   228
                ex.entity = eid
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   229
            raise
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   230
        self._to_create[eid] = neweid
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diff changeset
   231
        return neweid
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   232
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   233
    def _update_entity(self, eid, rqlquery):
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   234
        self._cw.execute(rqlquery.update_query(eid), rqlquery.kwargs)
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   235
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   236
    def edit_entity(self, formparams, multiple=False):
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        """edit / create / copy an entity and return its eid"""
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   238
        req = self._cw
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   239
        etype = formparams['__type']
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   240
        entity = req.vreg['etypes'].etype_class(etype)(req)
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aac5dba278c7 [editcontroller] turn eid into an int if possible, avoiding pbs. further down (case: preview cube)
Aurelien Campeas <aurelien.campeas@logilab.fr>
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diff changeset
   241
        entity.eid = valerror_eid(formparams['eid'])
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   242
        is_main_entity = req.form.get('__maineid') == formparams['eid']
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   243
        # let a chance to do some entity specific stuff
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   244
        entity.cw_adapt_to('IEditControl').pre_web_edit()
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   245
        # create a rql query from parameters
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   246
        rqlquery = RqlQuery()
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   247
        # process inlined relations at the same time as attributes
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   248
        # this will generate less rql queries and might be useful in
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   249
        # a few dark corners
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   250
        if is_main_entity:
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   251
            formid = req.form.get('__form_id', 'edition')
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diff changeset
   252
        else:
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   253
            # XXX inlined forms formid should be saved in a different formparams entry
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diff changeset
   254
            # inbetween, use cubicweb standard formid for inlined forms
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diff changeset
   255
            formid = 'edition'
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diff changeset
   256
        form = req.vreg['forms'].select(formid, req, entity=entity)
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diff changeset
   257
        eid = form.actual_eid(entity.eid)
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   258
        try:
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   259
            editedfields = formparams['_cw_entity_fields']
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diff changeset
   260
        except KeyError:
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   261
            try:
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   262
                editedfields = formparams['_cw_edited_fields']
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diff changeset
   263
                warn('[3.13] _cw_edited_fields has been renamed _cw_entity_fields',
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diff changeset
   264
                     DeprecationWarning)
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diff changeset
   265
            except KeyError:
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   266
                raise RequestError(req._('no edited fields specified for entity %s' % entity.eid))
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diff changeset
   267
        form.formvalues = {} # init fields value cache
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diff changeset
   268
        for field in form.iter_modified_fields(editedfields, entity):
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diff changeset
   269
            self.handle_formfield(form, field, rqlquery)
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570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   270
        # if there are some inlined field which were waiting for this entity's
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   271
        # creation, add relevant data to the rqlquery
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diff changeset
   272
        for form_, field in req.data['pending_inlined'].pop(entity.eid, ()):
570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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diff changeset
   273
            rqlquery.set_inlined(field.name, form_.edited_entity.eid)
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diff changeset
   274
        if self.errors:
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diff changeset
   275
            errors = dict((f.role_name(), unicode(ex)) for f, ex in self.errors)
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diff changeset
   276
            raise ValidationError(valerror_eid(entity.eid), errors)
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   277
        if eid is None: # creation or copy
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diff changeset
   278
            entity.eid = self._insert_entity(etype, formparams['eid'], rqlquery)
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diff changeset
   279
        elif rqlquery.edited: # edition of an existant entity
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diff changeset
   280
            self._update_entity(eid, rqlquery)
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ab797c5374b7 [editcontroller] rename is_edited variable into is_main_entity to make things clearer
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diff changeset
   281
        if is_main_entity:
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   282
            self.notify_edited(entity)
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574bb05e40a4 [toward py3k] rewrite has_key() (part of #2711624)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
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diff changeset
   283
        if '__delete' in formparams:
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35cd057339b2 turn all the stuff used to handle 'generic relations' in forms into proper
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parents: 4252
diff changeset
   284
            # XXX deprecate?
9177
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diff changeset
   285
            todelete = req.list_form_param('__delete', formparams, pop=True)
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diff changeset
   286
            autoform.delete_relations(req, todelete)
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574bb05e40a4 [toward py3k] rewrite has_key() (part of #2711624)
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diff changeset
   287
        if '__cloned_eid' in formparams:
8748
f5027f8d2478 drop typed_eid() in favour of int() (closes #2742462)
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 8697
diff changeset
   288
            entity.copy_relations(int(formparams['__cloned_eid']))
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ab797c5374b7 [editcontroller] rename is_edited variable into is_main_entity to make things clearer
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diff changeset
   289
        if is_main_entity: # only execute linkto for the main entity
4073
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diff changeset
   290
            self.execute_linkto(entity.eid)
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diff changeset
   291
        return eid
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diff changeset
   292
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diff changeset
   293
    def handle_formfield(self, form, field, rqlquery=None):
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diff changeset
   294
        eschema = form.edited_entity.e_schema
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diff changeset
   295
        try:
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diff changeset
   296
            for field, value in field.process_posted(form):
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diff changeset
   297
                if not (
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diff changeset
   298
                    (field.role == 'subject' and field.name in eschema.subjrels)
3387
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diff changeset
   299
                    or
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diff changeset
   300
                    (field.role == 'object' and field.name in eschema.objrels)):
3387
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diff changeset
   301
                    continue
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f4a52abb6f4f cw 3.6 api update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents: 4007
diff changeset
   302
                rschema = self._cw.vreg.schema.rschema(field.name)
4053
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parents: 4045
diff changeset
   303
                if rschema.final:
9178
b5762ac9a82e [editcontroller] extract RQLQuery.set_attribute/set_inlined methods from handle_field/handle_inlined_relation
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parents: 9177
diff changeset
   304
                    rqlquery.set_attribute(field.name, value)
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diff changeset
   305
                else:
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diff changeset
   306
                    if form.edited_entity.has_eid():
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
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diff changeset
   307
                        origvalues = set(entity.eid for entity in form.edited_entity.related(field.name, field.role, entities=True))
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diff changeset
   308
                    else:
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diff changeset
   309
                        origvalues = set()
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diff changeset
   310
                    if value is None or value == origvalues:
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                        continue # not edited / not modified / to do later
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222fbf826604 don't call handle_inlined_relation where we're not on the relation'subject
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   312
                    if rschema.inlined and rqlquery is not None and field.role == 'subject':
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                        self.handle_inlined_relation(form, field, value, origvalues, rqlquery)
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   314
                    elif form.edited_entity.has_eid():
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                        self.handle_relation(form, field, value, origvalues)
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   316
                    else:
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570208f74a84 [editcontrollers] Ensure entities are created in an order satisfying schema constraints. Closes #3031719
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   317
                        form._cw.data['pending_others'].add( (form, field) )
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358d8bed9626 [toward-py3k] rewrite to "except AnException as exc:" (part of #2711624)
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   318
        except ProcessFormError as exc:
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a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
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            self.errors.append((field, exc))
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   320
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   321
    def handle_inlined_relation(self, form, field, values, origvalues, rqlquery):
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        """handle edition for the (rschema, x) relation of the given entity
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   323
        """
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   324
        if values:
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b5762ac9a82e [editcontroller] extract RQLQuery.set_attribute/set_inlined methods from handle_field/handle_inlined_relation
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   325
            rqlquery.set_inlined(field.name, iter(values).next())
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   326
        elif form.edited_entity.has_eid():
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   327
            self.handle_relation(form, field, values, origvalues)
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   328
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   329
    def handle_relation(self, form, field, values, origvalues):
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        """handle edition for the (rschema, x) relation of the given entity
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diff changeset
   331
        """
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   332
        etype = form.edited_entity.e_schema
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   333
        rschema = self._cw.vreg.schema.rschema(field.name)
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   334
        if field.role == 'subject':
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   335
            desttype = rschema.objects(etype)[0]
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   336
            card = rschema.rdef(etype, desttype).cardinality[0]
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   337
            subjvar, objvar = 'X', 'Y'
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diff changeset
   338
        else:
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   339
            desttype = rschema.subjects(etype)[0]
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diff changeset
   340
            card = rschema.rdef(desttype, etype).cardinality[1]
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   341
            subjvar, objvar = 'Y', 'X'
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   342
        eid = form.edited_entity.eid
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diff changeset
   343
        if field.role == 'object' or not rschema.inlined or not values:
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   344
            # this is not an inlined relation or no values specified,
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diff changeset
   345
            # explicty remove relations
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   346
            rql = 'DELETE %s %s %s WHERE X eid %%(x)s, Y eid %%(y)s' % (
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   347
                subjvar, rschema, objvar)
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diff changeset
   348
            for reid in origvalues.difference(values):
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78438ad513ca #759035: Automate addition of eid cachekey in RQL analysis
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parents: 5061
diff changeset
   349
                self.relations_rql.append((rql, {'x': eid, 'y': reid}))
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   350
        seteids = values.difference(origvalues)
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diff changeset
   351
        if seteids:
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   352
            rql = 'SET %s %s %s WHERE X eid %%(x)s, Y eid %%(y)s' % (
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diff changeset
   353
                subjvar, rschema, objvar)
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   354
            for reid in seteids:
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diff changeset
   355
                self.relations_rql.append((rql, {'x': eid, 'y': reid}))
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   356
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diff changeset
   357
    def delete_entities(self, eidtypes):
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   358
        """delete entities from the repository"""
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   359
        redirect_info = set()
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diff changeset
   360
        eidtypes = tuple(eidtypes)
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diff changeset
   361
        for eid, etype in eidtypes:
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diff changeset
   362
            entity = self._cw.entity_from_eid(eid, etype)
5556
9ab2b4c74baf [entity] introduce a new 'adapters' registry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5426
diff changeset
   363
            path, params = entity.cw_adapt_to('IEditControl').after_deletion_path()
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diff changeset
   364
            redirect_info.add( (path, tuple(params.iteritems())) )
5557
1a534c596bff [entity] continue cleanup of Entity/AnyEntity namespace
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parents: 5556
diff changeset
   365
            entity.cw_delete()
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diff changeset
   366
        if len(redirect_info) > 1:
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diff changeset
   367
            # In the face of ambiguity, refuse the temptation to guess.
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diff changeset
   368
            self._after_deletion_path = 'view', ()
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diff changeset
   369
        else:
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diff changeset
   370
            self._after_deletion_path = iter(redirect_info).next()
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diff changeset
   371
        if len(eidtypes) > 1:
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diff changeset
   372
            self._cw.set_message(self._cw._('entities deleted'))
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diff changeset
   373
        else:
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diff changeset
   374
            self._cw.set_message(self._cw._('entity deleted'))
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   375
0
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   376
    def _action_apply(self):
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   377
        self._default_publish()
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   378
        self.reset()
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   379
0
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   380
    def _action_cancel(self):
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diff changeset
   381
        errorurl = self._cw.form.get('__errorurl')
0
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   382
        if errorurl:
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diff changeset
   383
            self._cw.cancel_edition(errorurl)
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diff changeset
   384
        self._cw.set_message(self._cw._('edit canceled'))
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   385
        return self.reset()
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   386
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   387
    def _action_delete(self):
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diff changeset
   388
        self.delete_entities(self._cw.edited_eids(withtype=True))
0
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   389
        return self.reset()