+
−# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+
−# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+
−#
+
−# This file is part of CubicWeb.
+
−#
+
−# CubicWeb is free software: you can redistribute it and/or modify it under the
+
−# terms of the GNU Lesser General Public License as published by the Free
+
−# Software Foundation, either version 2.1 of the License, or (at your option)
+
−# any later version.
+
−#
+
−# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
+
−# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+
−# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+
−# details.
+
−#
+
−# You should have received a copy of the GNU Lesser General Public License along
+
−# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
+
−"""Set of views allowing edition of entities/relations using ajax"""
+
−
+
−__docformat__ = "restructuredtext en"
+
−
+
−from cubicweb import role
+
−from cubicweb.view import View
+
−from cubicweb.predicates import match_form_params, match_kwargs
+
−from cubicweb.web import component, stdmsgs, formwidgets as fw
+
−
+
−class AddRelationView(component.EditRelationMixIn, View):
+
−    """base class for view which let add entities linked by a given relation
+
−
+
−    subclasses should define at least id, rtype and target class attributes.
+
−    """
+
−    __registry__ = 'views'
+
−    __regid__ = 'xaddrelation'
+
−    __select__ = (match_form_params('rtype', 'target')
+
−                  | match_kwargs('rtype', 'target'))
+
−    cw_property_defs = {} # don't want to inherit this from Box
+
−    expected_kwargs = form_params = ('rtype', 'target')
+
−
+
−    def cell_call(self, row, col, rtype=None, target=None, etype=None):
+
−        self.rtype = rtype or self._cw.form['rtype']
+
−        self.target = target or self._cw.form['target']
+
−        self.etype = etype or self._cw.form.get('etype')
+
−        entity = self.cw_rset.get_entity(row, col)
+
−        rschema = self._cw.vreg.schema.rschema(self.rtype)
+
−        if not self.etype:
+
−            if self.target == 'object':
+
−                etypes = rschema.objects(entity.e_schema)
+
−            else:
+
−                etypes = rschema.subjects(entity.e_schema)
+
−            if len(etypes) == 1:
+
−                self.etype = etypes[0]
+
−        self.w(u'<div id="%s">' % self.domid)
+
−        self.w(u'<h1>%s</h1>' % self._cw._('relation %(relname)s of %(ent)s')
+
−               % {'relname': rschema.display_name(self._cw, role(self)),
+
−                  'ent': entity.view('incontext')})
+
−        self.w(u'<ul class="list-unstyled">')
+
−        for boxitem in self.unrelated_boxitems(entity):
+
−            self.w('<li>%s</li>' % boxitem)
+
−        self.w(u'</ul></div>')
+
−
+
−    def unrelated_entities(self, entity):
+
−        """returns the list of unrelated entities
+
−
+
−        if etype is not defined on the Box's class, the default
+
−        behaviour is to use the entity's appropraite vocabulary function
+
−        """
+
−        # use entity.unrelated if we've been asked for a particular etype
+
−        if getattr(self, 'etype', None):
+
−            rset = entity.unrelated(self.rtype, self.etype, role(self),
+
−                                    ordermethod='fetch_order')
+
−            self.paginate(self._cw, rset=rset, w=self.w)
+
−            return rset.entities()
+
−        super(AddRelationView, self).unrelated_entities(self)
+
−
+
−
+
−def ajax_composite_form(container, entity, rtype, okjs, canceljs,
+
−                        entityfkwargs=None):
+
−    """
+
−    * if entity is None, edit container (assert container.has_eid())
+
−    * if entity has not eid, will be created
+
−    * if container has not eid, will be created (see vcreview InsertionPoint)
+
−    """
+
−    req = container._cw
+
−    parentexists = entity is None or container.has_eid()
+
−    buttons = [fw.Button(onclick=okjs),
+
−               fw.Button(stdmsgs.BUTTON_CANCEL, onclick=canceljs)]
+
−    freg = req.vreg['forms']
+
−    # main form kwargs
+
−    mkwargs = dict(action='#', domid='%sForm%s' % (rtype, container.eid),
+
−                   form_buttons=buttons,
+
−                   onsubmit='javascript: %s; return false' % okjs)
+
−    # entity form kwargs
+
−    # use formtype=inlined to skip the generic relations edition section
+
−    fkwargs = dict(entity=entity or container, formtype='inlined')
+
−    if entityfkwargs is not None:
+
−        fkwargs.update(entityfkwargs)
+
−    # form values
+
−    formvalues = {}
+
−    if entity is not None: # creation
+
−        formvalues[rtype] = container.eid
+
−    if parentexists: # creation / edition
+
−        mkwargs.update(fkwargs)
+
−        # use formtype=inlined to avoid viewing the relation edition section
+
−        form = freg.select('edition', req, **mkwargs)
+
−    else: # creation of both container and comment entities
+
−        form = freg.select('composite', req, form_renderer_id='default',
+
−                            **mkwargs)
+
−        form.add_subform(freg.select('edition', req, entity=container,
+
−                                      mainform=False, mainentity=True))
+
−        form.add_subform(freg.select('edition', req, mainform=False, **fkwargs))
+
−    return form, formvalues