web/views/ajaxedit.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Mon, 31 Jan 2011 17:48:57 +0100
branchstable
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# copyright 2003-2010 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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"""Set of views allowing edition of entities/relations using ajax"""
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__docformat__ = "restructuredtext en"
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from cubicweb import role
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from cubicweb.view import View
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from cubicweb.selectors import match_form_params, match_kwargs
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from cubicweb.web import component, stdmsgs, formwidgets as fw
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class AddRelationView(component.EditRelationMixIn, View):
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    """base class for view which let add entities linked by a given relation
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    subclasses should define at least id, rtype and target class attributes.
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    """
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    __registry__ = 'views'
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    __regid__ = 'xaddrelation'
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    __select__ = (match_form_params('rtype', 'target')
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                  | match_kwargs('rtype', 'target'))
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    cw_property_defs = {} # don't want to inherit this from Box
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    expected_kwargs = form_params = ('rtype', 'target')
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    build_js = component.EditRelationMixIn.build_reload_js_call
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    def cell_call(self, row, col, rtype=None, target=None, etype=None):
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        self.rtype = rtype or self._cw.form['rtype']
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        self.target = target or self._cw.form['target']
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        self.etype = etype or self._cw.form.get('etype')
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        entity = self.cw_rset.get_entity(row, col)
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        rschema = self._cw.vreg.schema.rschema(self.rtype)
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        if not self.etype:
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            if self.target == 'object':
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                etypes = rschema.objects(entity.e_schema)
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            else:
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                etypes = rschema.subjects(entity.e_schema)
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            if len(etypes) == 1:
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                self.etype = etypes[0]
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        self.w(u'<div id="%s">' % self.domid)
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        self.w(u'<h1>%s</h1>' % self._cw._('relation %(relname)s of %(ent)s')
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               % {'relname': rschema.display_name(self._cw, role(self)),
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                  'ent': entity.view('incontext')})
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        self.w(u'<ul>')
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        for boxitem in self.unrelated_boxitems(entity):
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            self.w('<li class="invisible">%s</li>' % boxitem)
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        self.w(u'</ul></div>')
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    def unrelated_entities(self, entity):
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        """returns the list of unrelated entities
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        if etype is not defined on the Box's class, the default
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        behaviour is to use the entity's appropraite vocabulary function
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        """
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        # use entity.unrelated if we've been asked for a particular etype
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        if getattr(self, 'etype', None):
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            rset = entity.unrelated(self.rtype, self.etype, role(self),
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                                    ordermethod='fetch_order')
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            self.pagination(self._cw, rset, w=self.w)
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            return rset.entities()
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        super(AddRelationView, self).unrelated_entities(self)
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def ajax_composite_form(container, entity, rtype, okjs, canceljs,
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                        entityfkwargs=None):
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    """
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    * if entity is None, edit container (assert container.has_eid())
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    * if entity has not eid, will be created
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    * if container has not eid, will be created (see vcreview InsertionPoint)
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    """
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    req = container._cw
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    parentexists = entity is None or container.has_eid()
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    buttons = [fw.Button(onclick=okjs),
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               fw.Button(stdmsgs.BUTTON_CANCEL, onclick=canceljs)]
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    freg = req.vreg['forms']
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    # main form kwargs
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    mkwargs = dict(action='#', domid='%sForm%s' % (rtype, container.eid),
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                   form_buttons=buttons,
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                   onsubmit='javascript: %s; return false' % okjs)
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    # entity form kwargs
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    # use formtype=inlined to skip the generic relations edition section
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    fkwargs = dict(entity=entity or container, formtype='inlined')
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    if entityfkwargs is not None:
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        fkwargs.update(entityfkwargs)
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    # form values
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    formvalues = {}
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    if entity is not None: # creation
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        formvalues[rtype] = container.eid
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    if parentexists: # creation / edition
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        mkwargs.update(fkwargs)
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        # use formtype=inlined to avoid viewing the relation edition section
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        form = freg.select('edition', req, **mkwargs)
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    else: # creation of both container and comment entities
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        form = freg.select('composite', req, form_renderer_id='default',
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                            **mkwargs)
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        form.add_subform(freg.select('edition', req, entity=container,
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                                      mainform=False, mainentity=True))
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6497
diff changeset
   112
        form.add_subform(freg.select('edition', req, mainform=False, **fkwargs))
b88221afe491 [js utils] backport some generic code from comments cube
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6497
diff changeset
   113
    return form, formvalues