web/views/startup.py
author sylvain.thenault@logilab.fr
Wed, 15 Apr 2009 14:06:08 +0200
branchtls-sprint
changeset 1356 7b4802822f40
parent 1132 96752791c2b6
child 1398 5fe84a5f7035
permissions -rw-r--r--
new del_rtag method, for testing purpose (at least)
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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), 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 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.common.uilib import ureport_as_html, ajax_replace_url
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from cubicweb.web.httpcache import EtagHTTPCacheManager
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_ = unicode
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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 = EtagHTTPCacheManager
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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).dispatch(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 not eschema.meta and not eschema.is_subobject(strict=True))
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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 eschema.meta and not eschema.schema_entity())
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            if 'EFRDef' 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(schema.eschema(etype)
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                                        for etype in schema.schema_entity_types())
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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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    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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    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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class IndexView(ManageView):
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    id = 'index'
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    title = _('index')
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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]
0
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class SchemaView(StartupView):
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    id = 'schema'
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    title = _('application schema')
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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')
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        withmeta = int(self.req.form.get('withmeta', 0))
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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=withmeta)),
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            self.req._("graphical representation of the application'schema")))
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        if withmeta:
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            self.w(u'<div><a href="%s">%s</a></div>' % (
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                self.build_url('schema', withmeta=0),
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                self.req._('hide meta-data')))
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        else:
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            self.w(u'<div><a href="%s">%s</a></div>' % (
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                self.build_url('schema', withmeta=1),
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                self.req._('show meta-data')))
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        self.w(u'<div id="detailed_schema"><a href="%s">%s</a></div>' %
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               (html_escape(ajax_replace_url('detailed_schema', '', 'schematext',
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                                             skipmeta=int(not withmeta))),
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                self.req._('detailed schema view')))
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class SchemaUreportsView(StartupView):
0
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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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