web/views/startup.py
author Nicolas Chauvat <nicolas.chauvat@logilab.fr>
Thu, 28 May 2009 22:57:52 +0200
changeset 1998 12040c090aa4
parent 1977 606923dff11b
child 2017 4090a9546ea3
permissions -rw-r--r--
[views] change schema views: remove view eschema and use tabs for cwetype
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"""Set of HTML startup views. A startup view is global, e.g. doesn't
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apply to a result set.
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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 logilab.common.textutils import unormalize
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from logilab.mtconverter import html_escape
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from cubicweb.view import StartupView
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from cubicweb.selectors import match_user_groups, implements
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from cubicweb.common.uilib import ureport_as_html
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from cubicweb.web import ajax_replace_url, uicfg, httpcache
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from cubicweb.web.views import tabs
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from cubicweb.web.views.management import SecurityViewMixIn
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class ManageView(StartupView):
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    id = 'manage'
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    title = _('manage')
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    http_cache_manager = httpcache.EtagHTTPCacheManager
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    @classmethod
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    def vreg_initialization_completed(cls):
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        for eschema in cls.schema.entities():
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            if eschema.schema_entity():
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                uicfg.indexview_etype_section.setdefault(eschema, 'schema')
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            elif eschema.is_subobject(strict=True):
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                uicfg.indexview_etype_section.setdefault(eschema, 'subobject')
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            elif eschema.meta:
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                uicfg.indexview_etype_section.setdefault(eschema, 'system')
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            else:
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                uicfg.indexview_etype_section.setdefault(eschema, 'application')
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    def display_folders(self):
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        return False
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    def call(self, **kwargs):
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        """The default view representing the application's management"""
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        self.req.add_css('cubicweb.manageview.css')
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        self.w(u'<div>\n')
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        if not self.display_folders():
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            self._main_index()
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        else:
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            self.w(u'<table><tr>\n')
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            self.w(u'<td style="width:40%">')
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            self._main_index()
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            self.w(u'</td><td style="width:60%">')
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            self.folders()
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            self.w(u'</td>')
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            self.w(u'</tr></table>\n')
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        self.w(u'</div>\n')
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    def _main_index(self):
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        req = self.req
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        manager = req.user.matching_groups('managers')
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        if not manager and 'Card' in self.schema:
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            rset = self.req.execute('Card X WHERE X wikiid "index"')
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        else:
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            rset = None
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        if rset:
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            self.wview('inlined', rset, row=0)
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        else:
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            self.entities()
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            self.w(u'<div class="hr">&nbsp;</div>')
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            self.startup_views()
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        if manager and 'Card' in self.schema:
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            self.w(u'<div class="hr">&nbsp;</div>')
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            if rset:
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                href = rset.get_entity(0, 0).absolute_url(vid='edition')
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                label = self.req._('edit the index page')
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            else:
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                href = req.build_url('view', vid='creation', etype='Card', wikiid='index')
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                label = self.req._('create an index page')
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            self.w(u'<br/><a href="%s">%s</a>\n' % (html_escape(href), label))
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    def folders(self):
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        self.w(u'<h4>%s</h4>\n' % self.req._('Browse by category'))
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        self.vreg.select_view('tree', self.req, None).render(w=self.w)
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    def startup_views(self):
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        self.w(u'<h4>%s</h4>\n' % self.req._('Startup views'))
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        self.startupviews_table()
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    def startupviews_table(self):
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        for v in self.vreg.possible_views(self.req, None):
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            if v.category != 'startupview' or v.id in ('index', 'tree', 'manage'):
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                continue
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            self.w('<p><a href="%s">%s</a></p>' % (
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                html_escape(v.url()), html_escape(self.req._(v.title).capitalize())))
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    def entities(self):
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        schema = self.schema
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        self.w(u'<h4>%s</h4>\n' % self.req._('The repository holds the following entities'))
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        manager = self.req.user.matching_groups('managers')
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        self.w(u'<table class="startup">')
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        if manager:
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            self.w(u'<tr><th colspan="4">%s</th></tr>\n' % self.req._('application entities'))
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        self.entity_types_table(eschema for eschema in schema.entities()
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                                if uicfg.indexview_etype_section.get(eschema) == 'application')
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        if manager:
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            self.w(u'<tr><th colspan="4">%s</th></tr>\n' % self.req._('system entities'))
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            self.entity_types_table(eschema for eschema in schema.entities()
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                                if uicfg.indexview_etype_section.get(eschema) == 'system')
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            if 'CWAttribute' in schema: # check schema support
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                self.w(u'<tr><th colspan="4">%s</th></tr>\n' % self.req._('schema entities'))
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                self.entity_types_table(eschema for eschema in schema.entities()
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                                        if uicfg.indexview_etype_section.get(eschema) == 'schema')
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        self.w(u'</table>')
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    def entity_types_table(self, eschemas):
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        newline = 0
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        infos = sorted(self.entity_types(eschemas),
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                       key=lambda (l,a,e):unormalize(l))
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        q, r = divmod(len(infos), 2)
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        if r:
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            infos.append( (None, '&nbsp;', '&nbsp;') )
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        infos = zip(infos[:q+r], infos[q+r:])
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        for (_, etypelink, addlink), (_, etypelink2, addlink2) in infos:
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            self.w(u'<tr>\n')
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            self.w(u'<td class="addcol">%s</td><td>%s</td>\n' % (addlink,  etypelink))
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            self.w(u'<td class="addcol">%s</td><td>%s</td>\n' % (addlink2, etypelink2))
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            self.w(u'</tr>\n')
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0
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    def entity_types(self, eschemas):
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        """return a list of formatted links to get a list of entities of
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        a each entity's types
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        """
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        req = self.req
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        for eschema in eschemas:
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            if eschema.is_final() or (not eschema.has_perm(req, 'read') and
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                                      not eschema.has_local_role('read')):
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                continue
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            etype = eschema.type
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            label = display_name(req, etype, 'plural')
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            nb = req.execute('Any COUNT(X) WHERE X is %s' % etype)[0][0]
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            if nb > 1:
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                view = self.vreg.select_view('list', req, req.etype_rset(etype))
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                url = view.url()
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            else:
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                url = self.build_url('view', rql='%s X' % etype)
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            etypelink = u'&nbsp;<a href="%s">%s</a> (%d)' % (
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                html_escape(url), label, nb)
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            yield (label, etypelink, self.add_entity_link(eschema, req))
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0
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    def add_entity_link(self, eschema, req):
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        """creates a [+] link for adding an entity if user has permission to do so"""
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        if not eschema.has_perm(req, 'add'):
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            return u''
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        return u'[<a href="%s" title="%s">+</a>]' % (
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            html_escape(self.create_url(eschema.type)),
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            self.req.__('add a %s' % eschema))
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0
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class IndexView(ManageView):
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    id = 'index'
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    title = _('index')
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0
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    def display_folders(self):
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        return 'Folder' in self.schema and self.req.execute('Any COUNT(X) WHERE X is Folder')[0][0]
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class SchemaView(tabs.TabsMixin, StartupView):
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    id = 'schema'
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    title = _('application schema')
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    tabs = [_('schema-text'), _('schema-image')]
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    default_tab = 'schema-image'
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    def call(self):
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        """display schema information"""
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        self.req.add_js('cubicweb.ajax.js')
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        self.req.add_css(('cubicweb.schema.css','cubicweb.acl.css'))
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        self.w(u'<h1>%s</h1>' % _('Schema of the data model'))
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        self.render_tabs(self.tabs, self.default_tab)
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class SchemaTabImageView(StartupView):
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    id = 'schema-image'
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    def call(self):
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        self.w(_(u'<div>This schema of the data model <em>excludes</em> the '
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                 u'meta-data, but you can also display a <a href="%s">complete '
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                 u'schema with meta-data</a>.</div>')
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               % html_escape(self.build_url('view', vid='schemagraph', withmeta=1)))
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        self.w(u'<img src="%s" alt="%s"/>\n' % (
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            html_escape(self.req.build_url('view', vid='schemagraph', withmeta=0)),
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            self.req._("graphical representation of the application'schema")))
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class SchemaTabTextView(StartupView):
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    id = 'schema-text'
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    def call(self):
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        self.w(u'<p>%s</p>' % _('This is the list of types defined in the data '
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                                'model ofin this application.'))
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        self.w(u'<p>%s</p>' % _('<em>meta</em> is True for types that are defined by the '
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                                'framework itself (e.g. User and Group). '
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                                '<em>final</em> is True for types that can not be the '
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                                'subject of a relation (e.g. Int and String).'))
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        rset = self.req.execute('Any X,M,F ORDERBY N WHERE X is CWEType, X name N, '
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                                'X meta M, X final F')
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        self.wview('editable-table', rset, displayfilter=True)
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class ManagerSchemaPermissionsView(StartupView, SecurityViewMixIn):
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    id = 'schema_security'
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    __select__ = StartupView.__select__ & match_user_groups('managers')
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    def call(self, display_relations=True,
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             skiprels=('is', 'is_instance_of', 'identity', 'owned_by', 'created_by')):
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        _ = self.req._
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        formparams = {}
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        formparams['sec'] = self.id
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        formparams['withmeta'] = int(self.req.form.get('withmeta', True))
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        schema = self.schema
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        # compute entities
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        entities = [eschema for eschema in schema.entities()
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                   if not eschema.is_final()]
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        if not formparams['withmeta']:
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            entities = [eschema for eschema in entities
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                        if not eschema.meta]
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        # compute relations
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        relations = []
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        if display_relations:
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            relations = [rschema for rschema in schema.relations()
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                         if not (rschema.is_final() or rschema.type in skiprels)]
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            if not formparams['withmeta']:
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                relations = [rschema for rschema in relations
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                             if not rschema.meta]
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        # index
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        self.w(u'<div id="schema_security"><a id="index" href="index"/>')
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        self.w(u'<h2 class="schema">%s</h2>' % _('index').capitalize())
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        self.w(u'<h4>%s</h4>' %   _('Entities').capitalize())
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        ents = []
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        for eschema in sorted(entities):
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            url = html_escape(self.build_url('schema', **formparams) + '#' + eschema.type)
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            ents.append(u'<a class="grey" href="%s">%s</a> (%s)' % (url,  eschema.type, _(eschema.type)))
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        self.w('%s' %  ', '.join(ents))
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        self.w(u'<h4>%s</h4>' % (_('relations').capitalize()))
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        rels = []
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        for eschema in sorted(relations):
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            url = html_escape(self.build_url('schema', **formparams) + '#' + eschema.type)
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            rels.append(u'<a class="grey" href="%s">%s</a> (%s), ' %  (url , eschema.type, _(eschema.type)))
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        self.w('%s' %  ', '.join(ents))
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        # entities
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        self.display_entities(entities, formparams)
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        # relations
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        if relations:
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            self.display_relations(relations, formparams)
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        self.w(u'</div>')
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    def display_entities(self, entities, formparams):
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        _ = self.req._
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        self.w(u'<a id="entities" href="entities"/>')
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        self.w(u'<h2 class="schema">%s</h2>' % _('permissions for entities').capitalize())
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        for eschema in sorted(entities):
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            self.w(u'<a id="%s" href="%s"/>' %  (eschema.type, eschema.type))
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            self.w(u'<h3 class="schema">%s (%s) ' % (eschema.type, _(eschema.type)))
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            url = html_escape(self.build_url('schema', **formparams) + '#index')
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            self.w(u'<a href="%s"><img src="%s" alt="%s"/></a>' % (url,  self.req.external_resource('UP_ICON'), _('up')))
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            self.w(u'</h3>')
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            self.w(u'<div style="margin: 0px 1.5em">')
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            self.schema_definition(eschema, link=False)
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            # display entity attributes only if they have some permissions modified
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            modified_attrs = []
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            for attr, etype in  eschema.attribute_definitions():
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                if self.has_schema_modified_permissions(attr, attr.ACTIONS):
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                    modified_attrs.append(attr)
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            if  modified_attrs:
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                self.w(u'<h4>%s</h4>' % _('attributes with modified permissions:').capitalize())
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                self.w(u'</div>')
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                self.w(u'<div style="margin: 0px 6em">')
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                for attr in  modified_attrs:
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                    self.w(u'<h4 class="schema">%s (%s)</h4> ' % (attr.type, _(attr.type)))
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                    self.schema_definition(attr, link=False)
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                self.w(u'</div>')
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            else:
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                self.w(u'</div>')
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1494
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    def display_relations(self, relations, formparams):
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        _ = self.req._
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        self.w(u'<a id="relations" href="relations"/>')
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        self.w(u'<h2 class="schema">%s </h2>' % _('permissions for relations').capitalize())
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        for rschema in sorted(relations):
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            self.w(u'<a id="%s" href="%s"/>' %  (rschema.type, rschema.type))
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            self.w(u'<h3 class="schema">%s (%s) ' % (rschema.type, _(rschema.type)))
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            url = html_escape(self.build_url('schema', **formparams) + '#index')
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            self.w(u'<a href="%s"><img src="%s" alt="%s"/></a>' % (url,  self.req.external_resource('UP_ICON'), _('up')))
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            self.w(u'</h3>')
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            self.w(u'<div style="margin: 0px 1.5em">')
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            subjects = [str(subj) for subj in rschema.subjects()]
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            self.w(u'<div><strong>%s</strong> %s (%s)</div>' % (_('subject_plural:'),
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                                                ', '.join( [str(subj) for subj in rschema.subjects()]),
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                                                ', '.join( [_(str(subj)) for subj in rschema.subjects()])))
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            self.w(u'<div><strong>%s</strong> %s (%s)</div>' % (_('object_plural:'),
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                                                ', '.join( [str(obj) for obj in rschema.objects()]),
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                                                ', '.join( [_(str(obj)) for obj in rschema.objects()])))
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            self.schema_definition(rschema, link=False)
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            self.w(u'</div>')
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1532
111c52e0022f duh? remaining __selectors__, probably a wrong merge
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513
907c18c01c60 while EntityView has been used here?? (changeset 501 by laure)
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class SchemaUreportsView(StartupView):
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    id = 'schematext'
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    def call(self):
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        from cubicweb.schemaviewer import SchemaViewer
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        skipmeta = int(self.req.form.get('skipmeta', True))
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        schema = self.schema
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        viewer = SchemaViewer(self.req)
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        layout = viewer.visit_schema(schema, display_relations=True,
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                                     skiprels=('is', 'is_instance_of', 'identity',
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                                               'owned_by', 'created_by'),
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                                     skipmeta=skipmeta)
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        self.w(ureport_as_html(layout))
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1998
12040c090aa4 [views] change schema views: remove view eschema and use tabs for cwetype
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