web/views/basecomponents.py
author sylvain.thenault@logilab.fr
Wed, 14 Jan 2009 14:30:45 +0100
changeset 408 a8814ff6824e
parent 237 3df2e0ae2eba
child 431 18b4dd650ef8
permissions -rw-r--r--
reactivate tests and fix bug triggering removal of undesired relation (eg type restriction) in some cases
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"""Bases HTML components:
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* the rql input form
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* the logged user link
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* the workflow history section for workflowable objects
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:organization: Logilab
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:copyright: 2001-2008 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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__docformat__ = "restructuredtext en"
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from rql import parse
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from cubicweb import Unauthorized
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from cubicweb.common.uilib import html_escape, toggle_action
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from cubicweb.common.selectors import yes, nfentity_selector, one_line_rset
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from cubicweb.schema import display_name
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from cubicweb.common.selectors import (chainfirst, multitype_selector,
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                                    req_form_params_selector)
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from cubicweb.web.htmlwidgets import MenuWidget, PopupBoxMenu, BoxSeparator, BoxLink
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from cubicweb.web.component import (VComponent, SingletonVComponent, EntityVComponent, 
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                                    RelatedObjectsVComponent)
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_ = unicode
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class RQLInputForm(SingletonVComponent):
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    """build the rql input form, usually displayed in the header"""
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    id = 'rqlinput'
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    visible = False
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    def call(self, view=None):
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        if hasattr(view, 'filter_box_context_info'):
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            rset = view.filter_box_context_info()[0]
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        else:
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            rset = self.rset
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        # display multilines query as one line
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        rql = rset is not None and rset.printable_rql(encoded=False) or self.req.form.get('rql', '')
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        rql = rql.replace(u"\n", u" ")
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        req = self.req
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        self.w(u'''<div id="rqlinput" class="%s">
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          <form action="%s">
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<fieldset>
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<input type="text" id="rql" name="rql" value="%s"  title="%s" tabindex="%s" accesskey="q" class="searchField" />
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<input type="submit" value="%s" class="searchButton" tabindex="%s" />
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</fieldset>
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''' % (not self.propval('visible') and 'hidden' or '', 
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       self.build_url('view'), html_escape(rql), req._('full text or RQL query'), req.next_tabindex(),
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       req._('search'), req.next_tabindex()))
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        if self.req.search_state[0] != 'normal':
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            self.w(u'<input type="hidden" name="__mode" value="%s"/>'
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                   % ':'.join(req.search_state[1]))
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        self.w(u'</form></div>')
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class ApplLogo(SingletonVComponent):
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    """build the application logo, usually displayed in the header"""
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    id = 'logo'
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    site_wide = True # don't want user to hide this component using an eproperty
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    def call(self):
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        self.w(u'<a href="%s"><img class="logo" src="%s" alt="logo"/></a>'
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               % (self.req.base_url(), self.req.external_resource('LOGO')))
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class ApplHelp(SingletonVComponent):
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    """build the help button, usually displayed in the header"""
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    id = 'help'
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    def call(self):
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        self.w(u'<a href="%s" class="help" title="%s">&nbsp;</a>'
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               % (self.build_url(_restpath='doc/main'),
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                  self.req._(u'help'),))
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class UserLink(SingletonVComponent):
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    """if the user is the anonymous user, build a link to login
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    else a link to the connected user object with a loggout link
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    """
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    id = 'loggeduserlink'
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    site_wide = True # don't want user to hide this component using an eproperty
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    def call(self):
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        if not self.req.cnx.anonymous_connection:
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            # display useractions and siteactions
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            actions = self.vreg.possible_actions(self.req, self.rset)
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            box = MenuWidget('', 'userActionsBox', _class='', islist=False)
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            menu = PopupBoxMenu(self.req.user.login, isitem=False)
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            box.append(menu)
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            for action in actions.get('useractions', ()):
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                menu.append(BoxLink(action.url(), self.req._(action.title),
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                                    action.html_class()))
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            if actions.get('useractions') and actions.get('siteactions'):
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                menu.append(BoxSeparator())
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            for action in actions.get('siteactions', ()):
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                menu.append(BoxLink(action.url(), self.req._(action.title),
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                                    action.html_class()))
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            box.render(w=self.w)
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        else:
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            self.anon_user_link()
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    def anon_user_link(self):
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        if self.config['auth-mode'] == 'cookie':
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            self.w(self.req._('anonymous'))
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            self.w(u'''&nbsp;[<a class="logout" href="javascript: popupLoginBox();">%s</a>]'''
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                   % (self.req._('i18n_login_popup')))
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        else:
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            self.w(self.req._('anonymous'))
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            self.w(u'&nbsp;[<a class="logout" href="%s">%s</a>]'
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                   % (self.build_url('login'), self.req._('login')))
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class ApplicationMessage(SingletonVComponent):
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    """display application's messages given using the __message parameter
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    into a special div section
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    """
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    __selectors__ = yes,
0
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    id = 'applmessages'
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    site_wide = True # don't want user to hide this component using an eproperty
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    def call(self):
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        msgs = [msg for msg in (self.req.get_shared_data('sources_error', pop=True),
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                                self.req.message) if msg]
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        self.w(u'<div id="appMsg" onclick="%s" class="%s">\n' %
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               (toggle_action('appMsg'), (msgs and ' ' or 'hidden')))
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        for msg in msgs:
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            self.w(u'<div class="message" id="%s">%s</div>' % (
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                self.div_id(), msg))
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        self.w(u'</div>')
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class WFHistoryVComponent(EntityVComponent):
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    """display the workflow history for entities supporting it"""
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    id = 'wfhistory'
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    accepts = ('Any',)
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    context = 'navcontentbottom'
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    rtype = 'wf_info_for'
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    target = 'subject'
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    title = _('Workflow history')
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    def call(self, view=None):
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        _ = self.req._
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        eid = self.rset[0][0]
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        sel = 'Any FS,TS,WF,D'
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        rql = ' ORDERBY D DESC WHERE WF wf_info_for X,'\
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              'WF from_state FS, WF to_state TS, WF comment C,'\
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              'WF creation_date D'
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        if self.vreg.schema.eschema('EUser').has_perm(self.req, 'read'):
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            sel += ',U,C'
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            rql += ', WF owned_by U?'
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            displaycols = range(5)
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            headers = (_('from_state'), _('to_state'), _('comment'), _('date'),
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                       _('EUser'))            
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        else:
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            sel += ',C'
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            displaycols = range(4)
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            headers = (_('from_state'), _('to_state'), _('comment'), _('date'))
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        rql = '%s %s, X eid %%(x)s' % (sel, rql)
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        try:
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            rset = self.req.execute(rql, {'x': eid}, 'x')
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        except Unauthorized:
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            return
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        if rset:
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            self.wview('table', rset, title=_(self.title), displayactions=False,
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                       displaycols=displaycols, headers=headers)
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class ApplicationName(SingletonVComponent):
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    """display the application name"""
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    id = 'appliname'
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    def call(self):
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        self.w(u'<span id="appliName"><a href="%s">%s</a></span>' % (self.req.base_url(),
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                                                         self.req.property_value('ui.site-title')))
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class SeeAlsoVComponent(RelatedObjectsVComponent):
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    """display any entity's see also"""
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    id = 'seealso'
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    context = 'navcontentbottom'
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    rtype = 'see_also'
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    target = 'object'
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    order = 40
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    # register msg not generated since no entity use see_also in cubicweb itself
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    title = _('contentnavigation_seealso')
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    help = _('contentnavigation_seealso_description')
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class EtypeRestrictionComponent(SingletonVComponent):
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    """displays the list of entity types contained in the resultset
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    to be able to filter accordingly.
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    """
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    id = 'etypenavigation'
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    __select__ = classmethod(chainfirst(multitype_selector, req_form_params_selector))
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    form_params = ('__restrtype', '__restrtypes', '__restrrql')
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    visible = False # disabled by default
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    def call(self):
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        _ = self.req._
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        self.w(u'<div id="etyperestriction">')
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        restrtype = self.req.form.get('__restrtype')
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        restrtypes = self.req.form.get('__restrtypes', '').split(',')
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        restrrql = self.req.form.get('__restrrql')
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        if not restrrql:
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            rqlst = self.rset.syntax_tree()
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            restrrql = rqlst.as_string(self.req.encoding, self.rset.args)
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            restrtypes = self.rset.column_types(0)
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        else:
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            rqlst = parse(restrrql)
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        html = []
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        on_etype = False
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        etypes = sorted((display_name(self.req, etype).capitalize(), etype)
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                        for etype in restrtypes)
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        for elabel, etype in etypes:
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            if etype == restrtype:
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                html.append(u'<span class="selected">%s</span>' % elabel)
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                on_etype = True
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            else:
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                rqlst.save_state()
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                for select in rqlst.children:
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                    select.add_type_restriction(select.selection[0], etype)
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                newrql = rqlst.as_string(self.req.encoding, self.rset.args)
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                url = self.build_url(rql=newrql, __restrrql=restrrql,
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                                     __restrtype=etype, __restrtypes=','.join(restrtypes))
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                html.append(u'<span><a href="%s">%s</a></span>' % (
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                        html_escape(url), elabel))
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                rqlst.recover()
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        if on_etype:
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            url = self.build_url(rql=restrrql)
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            html.insert(0, u'<span><a href="%s">%s</a></span>' % (
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                    url, _('Any')))
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        else:
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            html.insert(0, u'<span class="selected">%s</span>' % _('Any'))
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        self.w(u'&nbsp;|&nbsp;'.join(html))
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        self.w(u'</div>')
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143
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class RSSFeedURL(VComponent):
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    id = 'rss_feed_url'
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   241
    __selectors__ = (nfentity_selector,)
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   242
    
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    def feed_url(self):
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   244
        return self.build_url(rql=self.limited_rql(), vid='rss')
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   245
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class RSSEntityFeedURL(VComponent):
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   247
    id = 'rss_feed_url'
237
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    __selectors__ = (nfentity_selector, one_line_rset)
143
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    def feed_url(self):
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        return self.entity(0, 0).rss_feed_url()
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   252