web/views/primary.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Wed, 21 Oct 2009 17:32:20 +0200
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child 3890 d7a270f50f54
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backport stable branch
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"""The default primary view
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:organization: Logilab
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:copyright: 2001-2009 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 warnings import warn
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from logilab.mtconverter import xml_escape
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from cubicweb import Unauthorized
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from cubicweb.view import EntityView
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from cubicweb.schema import display_name
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from cubicweb.web import uicfg
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class PrimaryView(EntityView):
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    """the full view of an non final entity"""
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    __regid__ = 'primary'
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    title = _('primary')
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    show_attr_label = True
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    show_rel_label = True
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    skip_none = True
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    rsection = uicfg.primaryview_section
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    display_ctrl = uicfg.primaryview_display_ctrl
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    main_related_section = True
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    def html_headers(self):
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        """return a list of html headers (eg something to be inserted between
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        <head> and </head> of the returned page
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        by default primary views are indexed
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        """
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        return []
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    def cell_call(self, row, col):
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        self.cw_row = row
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        self.cw_col = col
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        self.maxrelated = self._cw.property_value('navigation.related-limit')
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        entity = self.cw_rset.complete_entity(row, col)
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        self.render_entity(entity)
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    def render_entity(self, entity):
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        self.render_entity_title(entity)
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        self.render_entity_metadata(entity)
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        # entity's attributes and relations, excluding meta data
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        # if the entity isn't meta itself
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        boxes = self._prepare_side_boxes(entity)
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        if boxes or hasattr(self, 'render_side_related'):
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            self.w(u'<table width="100%"><tr><td style="width: 75%">')
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        self.render_entity_summary(entity)
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        self.w(u'<div class="mainInfo">')
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        self.content_navigation_components('navcontenttop')
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        self.render_entity_attributes(entity)
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        if self.main_related_section:
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            self.render_entity_relations(entity)
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        self.w(u'</div>')
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        # side boxes
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        if boxes or hasattr(self, 'render_side_related'):
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            self.w(u'</td><td>')
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            self.w(u'<div class="primaryRight">')
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            if hasattr(self, 'render_side_related'):
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                warn('render_side_related is deprecated')
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                self.render_side_related(entity, [])
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            self.render_side_boxes(boxes)
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            self.w(u'</div>')
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            self.w(u'</td></tr></table>')
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        self.content_navigation_components('navcontentbottom')
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    def content_navigation_components(self, context):
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        self.w(u'<div class="%s">' % context)
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        for comp in self._cw.vreg['contentnavigation'].poss_visible_objects(
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            self._cw, rset=self.cw_rset, row=self.cw_row, view=self, context=context):
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            try:
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                comp.render(w=self.w, row=self.cw_row, view=self)
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            except NotImplementedError:
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                warn('component %s doesnt implement cell_call, please update'
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                     % comp.__class__, DeprecationWarning)
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                comp.render(w=self.w, view=self)
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        self.w(u'</div>')
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    def render_entity_title(self, entity):
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        """default implementation return dc_title"""
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        title = xml_escape(entity.dc_title())
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        if title:
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            self.w(u'<h1><span class="etype">%s</span> %s</h1>'
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                   % (entity.dc_type().capitalize(), title))
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    def render_entity_metadata(self, entity):
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        entity.view('metadata', w=self.w)
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    def render_entity_summary(self, entity):
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        summary = self.summary(entity) # deprecate summary?
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        if summary:
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            self.w(u'<div class="summary">%s</div>' % summary)
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    def summary(self, entity):
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        """default implementation return an empty string"""
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        return u''
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    def render_entity_attributes(self, entity, siderelations=None):
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        for rschema, tschemas, role, dispctrl in self._section_def(entity, 'attributes'):
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            vid = dispctrl.get('vid', 'reledit')
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            if rschema.final or vid == 'reledit':
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                value = entity.view(vid, rtype=rschema.type, role=role)
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            else:
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                rset = self._relation_rset(entity, rschema, role, dispctrl)
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                if rset:
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                    value = self.view(vid, rset)
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                else:
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                    value = None
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            if self.skip_none and (value is None or value == ''):
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                continue
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            self._render_attribute(rschema, value)
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    def render_entity_relations(self, entity, siderelations=None):
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        for rschema, tschemas, role, dispctrl in self._section_def(entity, 'relations'):
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            rset = self._relation_rset(entity, rschema, role, dispctrl)
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            if rset:
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                self._render_relation(rset, dispctrl, 'autolimited',
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                                      self.show_rel_label)
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    def render_side_boxes(self, boxes):
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        """display side related relations:
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        non-meta in a first step, meta in a second step
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        """
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        for box in boxes:
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            if isinstance(box, tuple):
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                label, rset, vid  = box
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                self.w(u'<div class="sideBox">')
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                self.wview(vid, rset, title=label)
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                self.w(u'</div>')
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            else:
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                try:
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                    box.render(w=self.w, row=self.cw_row)
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                except NotImplementedError:
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                    # much probably a context insensitive box, which only implements
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                    # .call() and not cell_call()
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                    box.render(w=self.w)
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    def _prepare_side_boxes(self, entity):
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        sideboxes = []
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        for rschema, tschemas, role, dispctrl in self._section_def(entity, 'sideboxes'):
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            rset = self._relation_rset(entity, rschema, role, dispctrl)
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            if not rset:
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                continue
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            label = display_name(self._cw, rschema.type, role)
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            vid = dispctrl.get('vid', 'sidebox')
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            sideboxes.append( (label, rset, vid) )
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        sideboxes += self._cw.vreg['boxes'].poss_visible_objects(
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            self._cw, rset=self.cw_rset, row=self.cw_row, view=self,
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            context='incontext')
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        return sideboxes
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    def _section_def(self, entity, where):
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        rdefs = []
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        eschema = entity.e_schema
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        for rschema, tschemas, role in eschema.relation_definitions(True):
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            matchtschemas = []
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            for tschema in tschemas:
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                section = self.rsection.etype_get(eschema, rschema, role,
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                                                  tschema)
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                if section == where:
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                    matchtschemas.append(tschema)
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            if matchtschemas:
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                # XXX pick the latest dispctrl
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                dispctrl = self.display_ctrl.etype_get(eschema, rschema, role,
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                                                       matchtschemas[-1])
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                rdefs.append( (rschema, matchtschemas, role, dispctrl) )
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        return sorted(rdefs, key=lambda x: x[-1]['order'])
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   176
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    def _relation_rset(self, entity, rschema, role, dispctrl):
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        try:
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            dispctrl.setdefault('limit', self.maxrelated)
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            rset = entity.related(rschema.type, role, limit=dispctrl['limit']+1)
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        except Unauthorized:
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            return
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        if 'filter' in dispctrl:
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            rset = dispctrl['filter'](rset)
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        return rset
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    def _render_relation(self, rset, dispctrl, defaultvid, showlabel):
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        self.w(u'<div class="section">')
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        if showlabel:
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            self.w(u'<h4>%s</h4>' % self._cw._(dispctrl['label']),
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                   initargs={'dispctrl': dispctrl})
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        self.w(u'</div>')
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    def _render_attribute(self, rschema, value, role='subject'):
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        if rschema.final:
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            show_label = self.show_attr_label
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        else:
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            show_label = self.show_rel_label
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        label = display_name(self._cw, rschema.type, role)
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        self.field(label, value, show_label=show_label, tr=False)
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class RelatedView(EntityView):
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    __regid__ = 'autolimited'
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   205
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    def call(self, **kwargs):
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        # nb: rset retreived using entity.related with limit + 1 if any
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        # because of that, we known that rset.printable_rql() will return
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        # rql with no limit set anyway (since it's handled manually)
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        if 'dispctrl' in self.extra_kwargs:
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            limit = self.extra_kwargs['dispctrl'].get('limit')
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   212
        else:
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            limit = None
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        if limit is None or self.cw_rset.rowcount <= limit:
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            if self.cw_rset.rowcount == 1:
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                self.wview('incontext', self.cw_rset, row=0)
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            elif 1 < self.cw_rset.rowcount <= 5:
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                self.wview('csv', self.cw_rset)
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   219
            else:
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                self.w(u'<div>')
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   221
                self.wview('simplelist', self.cw_rset)
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   222
                self.w(u'</div>')
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   223
        # else show links to display related entities
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   224
        else:
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            rql = self.cw_rset.printable_rql()
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   226
            self.cw_rset.limit(maxrelated) # remove extra entity
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            self.w(u'<div>')
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            self.wview('simplelist', self.cw_rset)
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   229
            self.w(u'[<a href="%s">%s</a>]' % (self._cw.build_url(rql=rql),
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   230
                                               self._cw._('see them all')))
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   231
            self.w(u'</div>')
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   233
## default primary ui configuration ###########################################
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for rtype in ('eid', 'creation_date', 'modification_date', 'cwuri',
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   236
              'is', 'is_instance_of', 'identity',
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   237
              'owned_by', 'created_by', 'in_state',
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   238
              'wf_info_for', 'by_transition', 'from_state', 'to_state',
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   239
              'require_permission', 'from_entity', 'to_entity',
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   240
              'see_also'):
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    uicfg.primaryview_section.tag_subject_of(('*', rtype, '*'), 'hidden')
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    uicfg.primaryview_section.tag_object_of(('*', rtype, '*'), 'hidden')
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uicfg.primaryview_section.tag_subject_of(('*', 'use_email', '*'), 'attributes')
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uicfg.primaryview_section.tag_subject_of(('*', 'primary_email', '*'), 'hidden')
3753f3a07ca1 [refactoring] moved rtags specification in web/views
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3753f3a07ca1 [refactoring] moved rtags specification in web/views
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for attr in ('name', 'final'):
3753f3a07ca1 [refactoring] moved rtags specification in web/views
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    uicfg.primaryview_section.tag_attribute(('CWEType', attr), 'hidden')
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for attr in ('name', 'final', 'symetric', 'inlined'):
3753f3a07ca1 [refactoring] moved rtags specification in web/views
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    uicfg.primaryview_section.tag_attribute(('CWRType', attr), 'hidden')