author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
Wed, 16 Dec 2009 14:19:01 +0100 | |
branch | stable |
changeset 4256 | bf6e0e75acfa |
parent 4212 | ab6573088b4a |
child 4252 | 6c4f109c2b03 |
permissions | -rw-r--r-- |
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"""abstract box classes for CubicWeb web client |
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:organization: Logilab |
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update copyright: welcome 2010
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:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses |
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""" |
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__docformat__ = "restructuredtext en" |
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_ = unicode |
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from logilab.mtconverter import xml_escape |
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from cubicweb import Unauthorized, role as get_role, target as get_target |
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from cubicweb.schema import display_name |
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from cubicweb.selectors import (one_line_rset, primary_view, |
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match_context_prop, partial_has_related_entities, |
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accepts_compat, has_relation_compat, |
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condition_compat, require_group_compat) |
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from cubicweb.view import View, ReloadableMixIn |
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from cubicweb.web.htmlwidgets import (BoxLink, BoxWidget, SideBoxWidget, |
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RawBoxItem, BoxSeparator) |
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from cubicweb.web.action import UnregisteredAction |
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class BoxTemplate(View): |
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"""base template for boxes, usually a (contextual) list of possible |
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actions. Various classes attributes may be used to control the box |
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rendering. |
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You may override on of the formatting callbacks is this is not necessary |
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for your custom box. |
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Classes inheriting from this class usually only have to override call |
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to fetch desired actions, and then to do something like :: |
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box.render(self.w) |
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""" |
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__registry__ = 'boxes' |
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__select__ = match_context_prop() |
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registered = classmethod(require_group_compat(View.registered)) |
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categories_in_order = () |
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property_defs = { |
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_('visible'): dict(type='Boolean', default=True, |
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help=_('display the box or not')), |
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_('order'): dict(type='Int', default=99, |
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help=_('display order of the box')), |
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# XXX 'incontext' boxes are handled by the default primary view |
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_('context'): dict(type='String', default='left', |
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vocabulary=(_('left'), _('incontext'), _('right')), |
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help=_('context where this box should be displayed')), |
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} |
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context = 'left' |
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htmlitemclass = 'boxItem' |
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def sort_actions(self, actions): |
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"""return a list of (category, actions_sorted_by_title)""" |
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result = [] |
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actions_by_cat = {} |
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for action in actions: |
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actions_by_cat.setdefault(action.category, []).append( |
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(action.title, action) ) |
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for key, values in actions_by_cat.items(): |
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actions_by_cat[key] = [act for title, act in sorted(values)] |
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for cat in self.categories_in_order: |
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if cat in actions_by_cat: |
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result.append( (cat, actions_by_cat[cat]) ) |
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for item in sorted(actions_by_cat.items()): |
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result.append(item) |
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return result |
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def mk_action(self, title, path, escape=True, **kwargs): |
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"""factory function to create dummy actions compatible with the |
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.format_actions method |
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""" |
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if escape: |
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title = xml_escape(title) |
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return self.box_action(self._action(title, path, **kwargs)) |
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def _action(self, title, path, **kwargs): |
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return UnregisteredAction(self.req, self.rset, title, path, **kwargs) |
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# formating callbacks |
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def boxitem_link_tooltip(self, action): |
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if action.id: |
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return u'keyword: %s' % action.id |
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return u'' |
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def box_action(self, action): |
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cls = getattr(action, 'html_class', lambda: None)() or self.htmlitemclass |
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return BoxLink(action.url(), self.req._(action.title), |
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cls, self.boxitem_link_tooltip(action)) |
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class RQLBoxTemplate(BoxTemplate): |
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"""abstract box for boxes displaying the content of a rql query not |
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related to the current result set. |
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It rely on etype, rtype (both optional, usable to control registration |
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according to application schema and display according to connected |
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user's rights) and rql attributes |
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""" |
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#XXX __selectors__ = BoxTemplate.__selectors__ + (etype_rtype_selector,) |
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rql = None |
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def to_display_rql(self): |
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assert self.rql is not None, self.id |
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return (self.rql,) |
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def call(self, **kwargs): |
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try: |
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rset = self.req.execute(*self.to_display_rql()) |
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except Unauthorized: |
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# can't access to something in the query, forget this box |
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return |
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if len(rset) == 0: |
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return |
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box = BoxWidget(self.req._(self.title), self.id) |
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for i, (teid, tname) in enumerate(rset): |
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entity = rset.get_entity(i, 0) |
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box.append(self.mk_action(tname, entity.absolute_url())) |
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box.render(w=self.w) |
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class UserRQLBoxTemplate(RQLBoxTemplate): |
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"""same as rql box template but the rql is build using the eid of the |
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request's user |
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""" |
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def to_display_rql(self): |
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assert self.rql is not None, self.id |
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return (self.rql, {'x': self.req.user.eid}, 'x') |
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class EntityBoxTemplate(BoxTemplate): |
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"""base class for boxes related to a single entity""" |
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__select__ = BoxTemplate.__select__ & one_line_rset() & primary_view() |
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registered = accepts_compat(has_relation_compat(condition_compat(BoxTemplate.registered))) |
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context = 'incontext' |
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def call(self, row=0, col=0, **kwargs): |
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"""classes inheriting from EntityBoxTemplate should define cell_call""" |
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self.cell_call(row, col, **kwargs) |
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class RelatedEntityBoxTemplate(EntityBoxTemplate): |
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__select__ = EntityBoxTemplate.__select__ & partial_has_related_entities() |
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def cell_call(self, row, col, **kwargs): |
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entity = self.rset.get_entity(row, col) |
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limit = self.req.property_value('navigation.related-limit') + 1 |
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role = get_role(self) |
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self.w(u'<div class="sideBox">') |
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self.wview('sidebox', entity.related(self.rtype, role, limit=limit), |
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title=display_name(self.req, self.rtype, role)) |
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self.w(u'</div>') |
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class EditRelationBoxTemplate(ReloadableMixIn, EntityBoxTemplate): |
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"""base class for boxes which let add or remove entities linked |
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by a given relation |
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subclasses should define at least id, rtype and target |
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class attributes. |
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""" |
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def cell_call(self, row, col, view=None, **kwargs): |
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self.req.add_js('cubicweb.ajax.js') |
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entity = self.rset.get_entity(row, col) |
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box = SideBoxWidget(display_name(self.req, self.rtype), self.id) |
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related = self.related_boxitems(entity) |
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unrelated = self.unrelated_boxitems(entity) |
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box.extend(related) |
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if related and unrelated: |
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box.append(BoxSeparator()) |
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box.extend(unrelated) |
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box.render(self.w) |
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def div_id(self): |
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return self.id |
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def box_item(self, entity, etarget, rql, label): |
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"""builds HTML link to edit relation between `entity` and `etarget` |
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""" |
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role, target = get_role(self), get_target(self) |
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args = {role[0] : entity.eid, target[0] : etarget.eid} |
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url = self.user_rql_callback((rql, args)) |
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# for each target, provide a link to edit the relation |
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label = u'[<a href="%s">%s</a>] %s' % (xml_escape(url), label, |
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etarget.view('incontext')) |
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return RawBoxItem(label, liclass=u'invisible') |
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def related_boxitems(self, entity): |
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rql = 'DELETE S %s O WHERE S eid %%(s)s, O eid %%(o)s' % self.rtype |
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related = [] |
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for etarget in self.related_entities(entity): |
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related.append(self.box_item(entity, etarget, rql, u'-')) |
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return related |
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def unrelated_boxitems(self, entity): |
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rql = 'SET S %s O WHERE S eid %%(s)s, O eid %%(o)s' % self.rtype |
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unrelated = [] |
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for etarget in self.unrelated_entities(entity): |
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unrelated.append(self.box_item(entity, etarget, rql, u'+')) |
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return unrelated |
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def related_entities(self, entity): |
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return entity.related(self.rtype, get_role(self), entities=True) |
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def unrelated_entities(self, entity): |
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"""returns the list of unrelated entities |
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216 |
||
217 |
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 hasattr(self, 'etype'): |
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return entity.unrelated(self.rtype, self.etype, get_role(self)).entities() |
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# in other cases, use vocabulary functions |
224 |
entities = [] |
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form = self.vreg['forms'].select('edition', self.req, rset=self.rset, |
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row=self.row or 0) |
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field = form.field_by_name(self.rtype, get_role(self), entity.e_schema) |
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for _, eid in form.form_field_vocabulary(field): |
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if eid is not None: |
230 |
rset = self.req.eid_rset(eid) |
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entities.append(rset.get_entity(0, 0)) |
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return entities |
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