[view] add a new entity_call method to entity view protocol, allowing some to work with not yet created entities. Also, start considering 'eid' form parameters where we only consider 'rql', so we can move on bloquing arbitrary rql inputs (more to do on this...)
# copyright 2003-2010 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/>.
"""The default primary view
"""
__docformat__ = "restructuredtext en"
_ = unicode
from warnings import warn
from logilab.mtconverter import xml_escape
from cubicweb import Unauthorized
from cubicweb.selectors import match_kwargs
from cubicweb.view import EntityView
from cubicweb.schema import VIRTUAL_RTYPES, display_name
from cubicweb.web import uicfg
class PrimaryView(EntityView):
"""the full view of an non final entity"""
__regid__ = 'primary'
title = _('primary')
show_attr_label = True
show_rel_label = True
skip_none = True
rsection = uicfg.primaryview_section
display_ctrl = uicfg.primaryview_display_ctrl
main_related_section = True
def html_headers(self):
"""return a list of html headers (eg something to be inserted between
<head> and </head> of the returned page
by default primary views are indexed
"""
return []
def cell_call(self, row, col):
self.cw_row = row
self.cw_col = col
self.maxrelated = self._cw.property_value('navigation.related-limit')
entity = self.cw_rset.complete_entity(row, col)
self.render_entity(entity)
def render_entity(self, entity):
self.render_entity_toolbox(entity)
self.render_entity_title(entity)
# entity's attributes and relations, excluding meta data
# if the entity isn't meta itself
if self.is_primary():
boxes = self._prepare_side_boxes(entity)
else:
boxes = None
if boxes or hasattr(self, 'render_side_related'):
self.w(u'<table width="100%"><tr><td style="width: 75%">')
self.render_entity_summary(entity)
self.w(u'<div class="mainInfo">')
self.content_navigation_components('navcontenttop')
self.render_entity_attributes(entity)
if self.main_related_section:
self.render_entity_relations(entity)
self.content_navigation_components('navcontentbottom')
self.w(u'</div>')
# side boxes
if boxes or hasattr(self, 'render_side_related'):
self.w(u'</td><td>')
self.w(u'<div class="primaryRight">')
if hasattr(self, 'render_side_related'):
warn('[3.2] render_side_related is deprecated')
self.render_side_related(entity, [])
self.render_side_boxes(boxes)
self.w(u'</div>')
self.w(u'</td></tr></table>')
def content_navigation_components(self, context):
self.w(u'<div class="%s">' % context)
for comp in self._cw.vreg['contentnavigation'].poss_visible_objects(
self._cw, rset=self.cw_rset, row=self.cw_row, view=self, context=context):
try:
comp.render(w=self.w, row=self.cw_row, view=self)
except NotImplementedError:
warn('[3.2] component %s doesnt implement cell_call, please update'
% comp.__class__, DeprecationWarning)
comp.render(w=self.w, view=self)
self.w(u'</div>')
def render_entity_title(self, entity):
"""default implementation return dc_title"""
title = xml_escape(entity.dc_title())
if title:
if self.is_primary():
self.w(u'<h1>%s</h1>' % title)
else:
atitle = self._cw._('follow this link for more information on this %s') % entity.dc_type()
self.w(u'<h4><a href="%s" title="%s">%s</a></h4>'
% (entity.absolute_url(), atitle, title))
def render_entity_toolbox(self, entity):
self.content_navigation_components('ctxtoolbar')
def render_entity_metadata(self, entity):
entity.view('metadata', w=self.w)
def render_entity_summary(self, entity):
summary = self.summary(entity) # deprecate summary?
if summary:
self.w(u'<div class="summary">%s</div>' % summary)
def summary(self, entity):
"""default implementation return an empty string"""
return u''
def render_entity_attributes(self, entity):
display_attributes = []
for rschema, _, role, dispctrl in self._section_def(entity, 'attributes'):
vid = dispctrl.get('vid', 'reledit')
if rschema.final or vid == 'reledit':
value = entity.view(vid, rtype=rschema.type, role=role)
else:
rset = self._relation_rset(entity, rschema, role, dispctrl)
if rset:
value = self._cw.view(vid, rset)
else:
value = None
if not self.skip_none or (value is not None and value != ''):
display_attributes.append( (rschema, role, dispctrl, value) )
if display_attributes:
self.w(u'<table>')
for rschema, role, dispctrl, value in display_attributes:
try:
self._render_attribute(dispctrl, rschema, value,
role=role, table=True)
except TypeError:
warn('[3.6] _render_attribute prototype has changed, please'
' update %s' % self.__class___, DeprecationWarning)
self._render_attribute(rschema, value, role=role, table=True)
self.w(u'</table>')
def render_entity_relations(self, entity):
for rschema, tschemas, role, dispctrl in self._section_def(entity, 'relations'):
rset = self._relation_rset(entity, rschema, role, dispctrl)
if rset:
try:
self._render_relation(dispctrl, rset, 'autolimited')
except TypeError:
warn('[3.6] _render_relation prototype has changed, '
'please update %s' % self.__class__, DeprecationWarning)
self._render_relation(rset, dispctrl, 'autolimited',
self.show_rel_label)
def render_side_boxes(self, boxes):
"""display side related relations:
non-meta in a first step, meta in a second step
"""
for box in boxes:
if isinstance(box, tuple):
try:
label, rset, vid, dispctrl = box
except ValueError:
warn('[3.5] box views should now be defined as a 4-uple (label, rset, vid, dispctrl), '
'please update %s' % self.__class__.__name__,
DeprecationWarning)
label, rset, vid = box
dispctrl = {}
self.w(u'<div class="sideBox">')
self.wview(vid, rset, title=label, initargs={'dispctrl': dispctrl})
self.w(u'</div>')
else:
try:
box.render(w=self.w, row=self.cw_row)
except NotImplementedError:
# much probably a context insensitive box, which only implements
# .call() and not cell_call()
box.render(w=self.w)
def _prepare_side_boxes(self, entity):
sideboxes = []
for rschema, tschemas, role, dispctrl in self._section_def(entity, 'sideboxes'):
rset = self._relation_rset(entity, rschema, role, dispctrl)
if not rset:
continue
label = display_name(self._cw, rschema.type, role)
vid = dispctrl.get('vid', 'sidebox')
sideboxes.append( (label, rset, vid, dispctrl) )
sideboxes += self._cw.vreg['boxes'].poss_visible_objects(
self._cw, rset=self.cw_rset, row=self.cw_row, view=self,
context='incontext')
# XXX since we've two sorted list, it may be worth using bisect
def get_order(x):
if isinstance(x, tuple):
# x is a view box (label, rset, vid, dispctrl)
# default to 1000 so view boxes occurs after component boxes
return x[-1].get('order', 1000)
# x is a component box
return x.cw_propval('order')
return sorted(sideboxes, key=get_order)
def _section_def(self, entity, where):
rdefs = []
eschema = entity.e_schema
for rschema, tschemas, role in eschema.relation_definitions(True):
if rschema in VIRTUAL_RTYPES:
continue
matchtschemas = []
for tschema in tschemas:
section = self.rsection.etype_get(eschema, rschema, role,
tschema)
if section == where:
matchtschemas.append(tschema)
if matchtschemas:
# XXX pick the latest dispctrl
dispctrl = self.display_ctrl.etype_get(eschema, rschema, role,
matchtschemas[-1])
rdefs.append( (rschema, matchtschemas, role, dispctrl) )
return sorted(rdefs, key=lambda x: x[-1]['order'])
def _relation_rset(self, entity, rschema, role, dispctrl):
try:
dispctrl.setdefault('limit', self.maxrelated)
rset = entity.related(rschema.type, role, limit=dispctrl['limit']+1)
except Unauthorized:
return
if 'filter' in dispctrl:
rset = dispctrl['filter'](rset)
return rset
def _render_relation(self, dispctrl, rset, defaultvid):
self.w(u'<div class="section">')
if dispctrl.get('showlabel', self.show_rel_label):
self.w(u'<h4>%s</h4>' % self._cw._(dispctrl['label']))
self.wview(dispctrl.get('vid', defaultvid), rset,
initargs={'dispctrl': dispctrl})
self.w(u'</div>')
def _render_attribute(self, dispctrl, rschema, value,
role='subject', table=False):
if rschema.final:
showlabel = dispctrl.get('showlabel', self.show_attr_label)
else:
showlabel = dispctrl.get('showlabel', self.show_rel_label)
if dispctrl.get('label'):
label = self._cw._(dispctrl.get('label'))
else:
label = display_name(self._cw, rschema.type, role)
self.field(label, value, show_label=showlabel, tr=False, table=table)
class RelatedView(EntityView):
__regid__ = 'autolimited'
def call(self, **kwargs):
# nb: rset is retreived using entity.related with limit + 1 if any.
# Because of that, we know that rset.printable_rql() will return rql
# with no limit set anyway (since it's handled manually)
if 'dispctrl' in self.cw_extra_kwargs:
limit = self.cw_extra_kwargs['dispctrl'].get('limit')
subvid = self.cw_extra_kwargs['dispctrl'].get('subvid', 'incontext')
else:
limit = None
subvid = 'incontext'
if limit is None or self.cw_rset.rowcount <= limit:
if self.cw_rset.rowcount == 1:
self.wview(subvid, self.cw_rset, row=0)
elif 1 < self.cw_rset.rowcount <= 5:
self.wview('csv', self.cw_rset, subvid=subvid)
else:
self.w(u'<div>')
self.wview('simplelist', self.cw_rset, subvid=subvid)
self.w(u'</div>')
# else show links to display related entities
else:
rql = self.cw_rset.printable_rql()
self.cw_rset.limit(limit) # remove extra entity
self.w(u'<div>')
self.wview('simplelist', self.cw_rset, subvid=subvid)
self.w(u'[<a href="%s">%s</a>]' % (
xml_escape(self._cw.build_url(rql=rql, vid=subvid)),
self._cw._('see them all')))
self.w(u'</div>')
class URLAttributeView(EntityView):
"""use this view for attributes whose value is an url and that you want
to display as clickable link
"""
__regid__ = 'urlattr'
__select__ = EntityView.__select__ & match_kwargs('rtype')
def cell_call(self, row, col, rtype, **kwargs):
entity = self.cw_rset.get_entity(row, col)
url = entity.printable_value(rtype)
if url:
self.w(u'<a href="%s">%s</a>' % (url, url))
## default primary ui configuration ###########################################
_pvs = uicfg.primaryview_section
for rtype in ('eid', 'creation_date', 'modification_date', 'cwuri',
'is', 'is_instance_of', 'identity', 'owned_by', 'created_by',
'require_permission', 'see_also'):
_pvs.tag_subject_of(('*', rtype, '*'), 'hidden')
_pvs.tag_object_of(('*', rtype, '*'), 'hidden')