web/views/baseviews.py
author Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
Wed, 23 Sep 2009 12:28:28 +0200
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[api] use _cw, cw_row, cw_col, cw_rset etc.
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"""Set of HTML generic base views:
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* noresult, final
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* primary, sidebox
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* oneline, incontext, outofcontext, text
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* list
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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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#from __future__ import with_statement
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__docformat__ = "restructuredtext en"
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_ = unicode
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from datetime import timedelta
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from rql import nodes
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from logilab.mtconverter import TransformError, xml_escape, xml_escape
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from cubicweb import NoSelectableObject
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from cubicweb.selectors import yes, empty_rset, one_etype_rset
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from cubicweb.schema import display_name
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from cubicweb.view import EntityView, AnyRsetView, View
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from cubicweb.common.uilib import cut, printable_value
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class NullView(AnyRsetView):
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    """default view when no result has been found"""
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    __regid__ = 'null'
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    __select__ = yes()
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    def call(self, **kwargs):
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        pass
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    cell_call = call
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class NoResultView(View):
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    """default view when no result has been found"""
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    __select__ = empty_rset()
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    __regid__ = 'noresult'
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    def call(self, **kwargs):
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        self.w(u'<div class="searchMessage"><strong>%s</strong></div>\n'
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               % self.req._('No result matching query'))
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class FinalView(AnyRsetView):
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    """display values without any transformation (i.e. get a number for
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    entities)
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    """
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    __regid__ = 'final'
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    # record generated i18n catalog messages
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    _('%d&#160;years')
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    _('%d&#160;months')
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    _('%d&#160;weeks')
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    _('%d&#160;days')
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    _('%d&#160;hours')
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    _('%d&#160;minutes')
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    _('%d&#160;seconds')
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    _('%d years')
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    _('%d months')
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    _('%d weeks')
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    _('%d days')
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    _('%d hours')
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    _('%d minutes')
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    _('%d seconds')
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    def cell_call(self, row, col, props=None, format='text/html'):
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        etype = self.rset.description[row][col]
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        value = self.rset.rows[row][col]
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        if etype == 'String':
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            entity, rtype = self.rset.related_entity(row, col)
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            if entity is not None:
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                # yes !
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                self.w(entity.printable_value(rtype, value, format=format))
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                return
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        if etype in ('Time', 'Interval'):
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            if etype == 'Interval' and isinstance(value, (int, long)):
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                # `date - date`, unlike `datetime - datetime` gives an int
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                # (number of days), not a timedelta
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                # XXX should rql be fixed to return Int instead of Interval in
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                #     that case? that would be probably the proper fix but we
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                #     loose information on the way...
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                value = timedelta(days=value)
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            # value is DateTimeDelta but we have no idea about what is the
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            # reference date here, so we can only approximate years and months
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            if format == 'text/html':
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                space = '&#160;'
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            else:
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                space = ' '
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            if value.days > 730: # 2 years
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                self.w(self.req.__('%%d%syears' % space) % (value.days // 365))
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            elif value.days > 60: # 2 months
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                self.w(self.req.__('%%d%smonths' % space) % (value.days // 30))
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            elif value.days > 14: # 2 weeks
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                self.w(self.req.__('%%d%sweeks' % space) % (value.days // 7))
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            elif value.days > 2:
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                self.w(self.req.__('%%d%sdays' % space) % int(value.days))
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            elif value.seconds > 3600:
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                self.w(self.req.__('%%d%shours' % space) % int(value.seconds // 3600))
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            elif value.seconds >= 120:
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                self.w(self.req.__('%%d%sminutes' % space) % int(value.seconds // 60))
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            else:
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                self.w(self.req.__('%%d%sseconds' % space) % int(value.seconds))
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            return
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        self.wdata(printable_value(self.req, etype, value, props))
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# XXX deprecated
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class SecondaryView(EntityView):
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    __regid__ = 'secondary'
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    title = _('secondary')
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    def cell_call(self, row, col):
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        """the secondary view for an entity
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        secondary = icon + view(oneline)
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        """
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        entity = self.rset.get_entity(row, col)
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        self.w(u'&#160;')
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        self.wview('oneline', self.rset, row=row, col=col)
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class OneLineView(EntityView):
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    __regid__ = 'oneline'
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    title = _('oneline')
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    def cell_call(self, row, col):
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        """the one line view for an entity: linked text view
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        """
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        entity = self.rset.get_entity(row, col)
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        self.w(u'<a href="%s">' % xml_escape(entity.absolute_url()))
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        self.w(xml_escape(self.view('text', self.rset, row=row, col=col)))
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        self.w(u'</a>')
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class TextView(EntityView):
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    """the simplest text view for an entity"""
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    __regid__ = 'text'
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    title = _('text')
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    content_type = 'text/plain'
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    def call(self, **kwargs):
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        """the view is called for an entire result set, by default loop
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        other rows of the result set and call the same view on the
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        particular row
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        Views applicable on None result sets have to override this method
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        """
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        rset = self.rset
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        if rset is None:
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            raise NotImplementedError, self
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        for i in xrange(len(rset)):
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            self.wview(self.id, rset, row=i, **kwargs)
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            if len(rset) > 1:
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                self.w(u"\n")
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    def cell_call(self, row, col=0, **kwargs):
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        entity = self.cw_rset.get_entity(row, col)
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        self.w(cut(entity.dc_title(),
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                   self._cw.property_value('navigation.short-line-size')))
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class MetaDataView(EntityView):
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    """paragraph view of some metadata"""
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    __regid__ = 'metadata'
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    show_eid = True
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    def cell_call(self, row, col):
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        _ = self.req._
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        entity = self.rset.get_entity(row, col)
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        self.w(u'<div class="metadata">')
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        if self.show_eid:
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            self.w(u'#%s - ' % entity.eid)
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        if entity.modification_date != entity.creation_date:
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            self.w(u'<span>%s</span> ' % _('latest update on'))
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            self.w(u'<span class="value">%s</span>, '
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                   % self.format_date(entity.modification_date))
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        # entities from external source may not have a creation date (eg ldap)
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        if entity.creation_date:
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            self.w(u'<span>%s</span> ' % _('created on'))
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            self.w(u'<span class="value">%s</span>'
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                   % self.format_date(entity.creation_date))
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        if entity.creator:
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            self.w(u' <span>%s</span> ' % _('by'))
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            self.w(u'<span class="value">%s</span>' % entity.creator.name())
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        self.w(u'</div>')
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class InContextTextView(TextView):
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    __regid__ = 'textincontext'
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    title = None # not listed as a possible view
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    def cell_call(self, row, col):
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        entity = self.rset.get_entity(row, col)
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        self.w(entity.dc_title())
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class OutOfContextTextView(InContextTextView):
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    __regid__ = 'textoutofcontext'
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    def cell_call(self, row, col):
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        entity = self.rset.get_entity(row, col)
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        self.w(entity.dc_long_title())
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class InContextView(EntityView):
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    __regid__ = 'incontext'
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    def cell_call(self, row, col):
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        entity = self.rset.get_entity(row, col)
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        desc = cut(entity.dc_description(), 50)
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        self.w(u'<a href="%s" title="%s">' % (
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            xml_escape(entity.absolute_url()), xml_escape(desc)))
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        self.w(xml_escape(self.view('textincontext', self.rset,
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                                     row=row, col=col)))
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        self.w(u'</a>')
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class OutOfContextView(EntityView):
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    __regid__ = 'outofcontext'
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    def cell_call(self, row, col):
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        entity = self.rset.get_entity(row, col)
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        desc = cut(entity.dc_description(), 50)
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        self.w(u'<a href="%s" title="%s">' % (
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            xml_escape(entity.absolute_url()), xml_escape(desc)))
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        self.w(xml_escape(self.view('textoutofcontext', self.rset,
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                                     row=row, col=col)))
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        self.w(u'</a>')
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# list views ##################################################################
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class ListView(EntityView):
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    __regid__ = 'list'
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    title = _('list')
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    item_vid = 'listitem'
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    def call(self, klass=None, title=None, subvid=None, listid=None, **kwargs):
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        """display a list of entities by calling their <item_vid> view
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        :param listid: the DOM id to use for the root element
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        """
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   247
        # XXX much of the behaviour here should probably be outside this view
0
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   248
        if subvid is None and 'subvid' in self.req.form:
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   249
            subvid = self.req.form.pop('subvid') # consume it
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   250
        if listid:
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   251
            listid = u' id="%s"' % listid
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   252
        else:
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   253
            listid = u''
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   254
        if title:
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   255
            self.w(u'<div%s class="%s"><h4>%s</h4>\n' % (listid, klass or 'section', title))
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diff changeset
   256
            self.w(u'<ul>\n')
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   257
        else:
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   258
            self.w(u'<ul%s class="%s">\n' % (listid, klass or 'section'))
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        for i in xrange(self.rset.rowcount):
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            self.cell_call(row=i, col=0, vid=subvid, **kwargs)
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   261
        self.w(u'</ul>\n')
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   262
        if title:
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   263
            self.w(u'</div>\n')
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   264
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   265
    def cell_call(self, row, col=0, vid=None, **kwargs):
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   266
        self.w(u'<li>')
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   267
        self.wview(self.item_vid, self.rset, row=row, col=col, vid=vid, **kwargs)
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   268
        self.w(u'</li>\n')
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   269
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parents: 1263
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   270
0
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   271
class ListItemView(EntityView):
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   272
    __regid__ = 'listitem'
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   273
0
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    @property
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   275
    def redirect_vid(self):
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   276
        if self.req.search_state[0] == 'normal':
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   277
            return 'outofcontext'
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   278
        return 'outofcontext-search'
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   279
0
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   280
    def cell_call(self, row, col, vid=None, **kwargs):
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   281
        if not vid:
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   282
            vid = self.redirect_vid
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   283
        try:
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   284
            self.wview(vid, self.rset, row=row, col=col, **kwargs)
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diff changeset
   285
        except NoSelectableObject:
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   286
            if vid == self.redirect_vid:
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   287
                raise
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diff changeset
   288
            self.wview(self.redirect_vid, self.rset, row=row, col=col, **kwargs)
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diff changeset
   289
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   290
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   291
class SimpleListView(ListItemView):
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   292
    """list without bullets"""
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diff changeset
   293
    __regid__ = 'simplelist'
0
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parents:
diff changeset
   294
    redirect_vid = 'incontext'
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   295
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diff changeset
   296
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a459a6ab78d0 fix syntax/import errors & adapted list base class
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parents: 2471
diff changeset
   297
class AdaptedListView(EntityView):
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parents: 2468
diff changeset
   298
    """list of entities of the same type"""
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parents: 3293
diff changeset
   299
    __regid__ = 'adaptedlist'
2645
91c71276f999 F [adapted list view] fix selector
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2472
diff changeset
   300
    __select__ = EntityView.__select__ & one_etype_rset()
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parents: 2468
diff changeset
   301
    item_vid = 'adaptedlistitem'
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parents: 2468
diff changeset
   302
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parents: 2468
diff changeset
   303
    @property
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parents: 2468
diff changeset
   304
    def title(self):
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parents: 2468
diff changeset
   305
        etype = iter(self.rset.column_types(0)).next()
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a459a6ab78d0 fix syntax/import errors & adapted list base class
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parents: 2471
diff changeset
   306
        return display_name(self.req, etype, form='plural')
2469
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parents: 2468
diff changeset
   307
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parents: 2468
diff changeset
   308
    def call(self, **kwargs):
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parents: 2468
diff changeset
   309
        """display a list of entities by calling their <item_vid> view"""
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parents: 2468
diff changeset
   310
        if not 'vtitle' in self.req.form:
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parents: 2468
diff changeset
   311
            self.w(u'<h1>%s</h1>' % self.title)
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parents: 2468
diff changeset
   312
        super(AdaptedListView, self).call(**kwargs)
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parents: 2468
diff changeset
   313
b87c4d150e09 new adaptedlist view
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parents: 2468
diff changeset
   314
    def cell_call(self, row, col=0, vid=None, **kwargs):
b87c4d150e09 new adaptedlist view
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parents: 2468
diff changeset
   315
        self.wview(self.item_vid, self.rset, row=row, col=col, vid=vid, **kwargs)
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2468
diff changeset
   316
b87c4d150e09 new adaptedlist view
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2468
diff changeset
   317
b87c4d150e09 new adaptedlist view
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parents: 2468
diff changeset
   318
class AdaptedListItemView(ListItemView):
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parents: 3293
diff changeset
   319
    __regid__ = 'adaptedlistitem'
2469
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parents: 2468
diff changeset
   320
b87c4d150e09 new adaptedlist view
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parents: 2468
diff changeset
   321
0
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diff changeset
   322
class CSVView(SimpleListView):
3377
dd9d292b6a6d use __regid__ instead of id on appobject classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3293
diff changeset
   323
    __regid__ = 'csv'
0
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parents:
diff changeset
   324
    redirect_vid = 'incontext'
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982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   325
0
b97547f5f1fa Showtime !
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parents:
diff changeset
   326
    def call(self, **kwargs):
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parents:
diff changeset
   327
        rset = self.rset
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parents:
diff changeset
   328
        for i in xrange(len(rset)):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   329
            self.cell_call(i, 0, vid=kwargs.get('vid'))
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   330
            if i < rset.rowcount-1:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   331
                self.w(u", ")
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parents:
diff changeset
   332
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   333
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parents:
diff changeset
   334
class TreeItemView(ListItemView):
3377
dd9d292b6a6d use __regid__ instead of id on appobject classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3293
diff changeset
   335
    __regid__ = 'treeitem'
0
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parents:
diff changeset
   336
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parents:
diff changeset
   337
    def cell_call(self, row, col):
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parents:
diff changeset
   338
        self.wview('incontext', self.rset, row=row, col=col)
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parents:
diff changeset
   339
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diff changeset
   340
class TextSearchResultView(EntityView):
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parents:
diff changeset
   341
    """this view is used to display full-text search
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parents:
diff changeset
   342
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parents:
diff changeset
   343
    It tries to highlight part of data where the search word appears.
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parents:
diff changeset
   344
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parents:
diff changeset
   345
    XXX: finish me (fixed line width, fixed number of lines, CSS, etc.)
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parents:
diff changeset
   346
    """
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dd9d292b6a6d use __regid__ instead of id on appobject classes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3293
diff changeset
   347
    __regid__ = 'tsearch'
0
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parents:
diff changeset
   348
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diff changeset
   349
    def cell_call(self, row, col, **kwargs):
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diff changeset
   350
        entity = self.complete_entity(row, col)
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parents:
diff changeset
   351
        self.w(entity.view('incontext'))
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   352
        searched = self.rset.searched_text()
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   353
        if searched is None:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   354
            return
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   355
        searched = searched.lower()
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parents:
diff changeset
   356
        highlighted = '<b>%s</b>' % searched
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parents:
diff changeset
   357
        for attr in entity.e_schema.indexable_attributes():
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parents:
diff changeset
   358
            try:
1680
39860636e184 use xml_escape
Graziella Toutoungis <graziella.toutoungis@logilab.fr>
parents: 1653
diff changeset
   359
                value = xml_escape(entity.printable_value(attr, format='text/plain').lower())
0
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parents:
diff changeset
   360
            except TransformError, ex:
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parents:
diff changeset
   361
                continue
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parents:
diff changeset
   362
            except:
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parents:
diff changeset
   363
                continue
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
            if searched in value:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   365
                contexts = []
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   366
                for ctx in value.split(searched):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   367
                    if len(ctx) > 30:
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parents:
diff changeset
   368
                        contexts.append(u'...' + ctx[-30:])
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parents:
diff changeset
   369
                    else:
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parents:
diff changeset
   370
                        contexts.append(ctx)
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parents:
diff changeset
   371
                value = u'\n' + highlighted.join(contexts)
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982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   372
                self.w(value.replace('\n', '<br/>'))
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   373
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   374
824
a5e6acffde30 merge, split baseviews (new csvexport, xmlrss and editviews modules)
sylvain.thenault@logilab.fr
parents: 795
diff changeset
   375
class TooltipView(EntityView):
0
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parents:
diff changeset
   376
    """A entity view used in a tooltip"""
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   377
    __regid__ = 'tooltip'
0
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parents:
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   378
    def cell_call(self, row, col):
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   379
        self.wview('oneline', self.rset, row=row, col=col)
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parents:
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a5e6acffde30 merge, split baseviews (new csvexport, xmlrss and editviews modules)
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parents: 795
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   381
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parents: 795
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   382
# XXX bw compat
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   383
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parents: 795
diff changeset
   384
from logilab.common.deprecation import class_moved
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parents: 795
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   385
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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   386
try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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   387
    from cubicweb.web.views.tableview import TableView
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   388
    TableView = class_moved(TableView)
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parents:
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   389
except ImportError:
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parents:
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   390
    pass # gae has no tableview module (yet)
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parents: 795
diff changeset
   391
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742aff97dbf7 move AutomaticEntityForm and PrimaryView into their own module
sylvain.thenault@logilab.fr
parents: 1477
diff changeset
   392
from cubicweb.web.views import boxes, xmlrss, primary
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parents: 1477
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   393
PrimaryView = class_moved(primary.PrimaryView)
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parents: 795
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   394
SideBoxView = class_moved(boxes.SideBoxView)
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sylvain.thenault@logilab.fr
parents: 1641
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   395
XmlView = class_moved(xmlrss.XMLView)
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sylvain.thenault@logilab.fr
parents: 1641
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   396
XmlItemView = class_moved(xmlrss.XMLItemView)
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sylvain.thenault@logilab.fr
parents: 1641
diff changeset
   397
XmlRsetView = class_moved(xmlrss.XMLRsetView)
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parents: 1641
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   398
RssView = class_moved(xmlrss.RSSView)
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parents: 1641
diff changeset
   399
RssItemView = class_moved(xmlrss.RSSItemView)
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982e8616d9a2 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   400