def test_add_link_advanced(self):
     req = Mock(hdf=HDFWrapper(), href=Href('/trac.cgi'))
     add_link(req, 'start', '/trac/wiki', 'Start page', 'text/html', 'home')
     self.assertEqual('/trac/wiki', req.hdf['chrome.links.start.0.href'])
     self.assertEqual('Start page', req.hdf['chrome.links.start.0.title'])
     self.assertEqual('text/html', req.hdf['chrome.links.start.0.type'])
     self.assertEqual('home', req.hdf['chrome.links.start.0.class'])

    def _render_ui(self, req):
        #add_stylesheet(req, 'itteco/css/colorbox/colorbox.css')
        add_stylesheet(req, 'itteco/css/common.css')
        add_stylesheet(req, 'itteco/css/calendar.css')

        add_jscript(
            req, 
            [
                'stuff/ui/ui.core.js',
                'stuff/ui/ui.draggable.js',
                'stuff/ui/ui.droppable.js',
                'stuff/ui/ui.resizable.js',
                'stuff/ui/ui.datepicker.js',
                'stuff/ui/ui.slider.js',
                'stuff/ui/plugins/fullcalendar.js',
                'stuff/ui/plugins/jquery.colorbox.js',
                'stuff/ui/plugins/timepicker.js',
                'stuff/plugins/jquery.rpc.js',
                'calendar.js'
            ],
            IttecoEvnSetup(self.env).debug
        )
    
        icshref = req.href.calendar(format='ics')
        add_link(req, 'alternate', icshref, _('iCalendar'), 'text/calendar', 'ics')

        return 'itteco_calendar_view.html', {}, None

    def post_process_request(self, req, template, data, content_type):
        if self.isfilter:
            path = req.base_path + self.path
            add_link(req, 'shortcut icon', path, None, self.mimetype)
            add_link(req, 'icon',          path, None, self.mimetype)

        return (template, data, content_type)

    def pre_process_request(self, req, handler):
        """
        Pre-process the request by adding 'Zip Archive' link into alternative format links
        The link is constructed from first and latest revision number, taken from the default
        repository.

        :param Request req: Trac request
        :param object handler: existing handler
        :returns: Handler, modified or not
        """
        # Add link only in /browser or /browser/?rev= pages
        if (self.browser_regx.match(req.path_info)
            and 'BROWSER_VIEW' in req.perm and 'FILE_VIEW' in req.perm):
            # Get default repository and its type
            rm = RepositoryManager(self.env)
            repo = rm.get_repository('')
            repo_type = rm.repository_type

            # Construct the export urls for each format and based on revision info
            latest_rev = plaintext(str(req.args.get('rev', repo.get_youngest_rev())))

            # Use Trac's internal implementation
            if repo_type == 'svn':
                return handler

            # For other types, iterate supported formats
            for format, info in self.formats.items():
                add_link(req, 'alternate', req.href('export/archive', rev=latest_rev, format=format), _(info['desc']),
                    info['mime'], info['ext'])

        return handler

 def _alt_css(req, filename, title):
     href = req.href
     if not filename.startswith("/"):
         href = href.chrome
     mt = "text/css"
     rel = "alternate stylesheet"
     add_link(req, rel, href(filename), title=title, mimetype=mt)

    def _render_monitoring_panel(self, req, cat, page):
        req.perm.assert_permission('SPAM_MONITOR')

        try:
            pagenum = int(req.args.get('page', 1)) - 1
        except ValueError:
            pagenum = 1

        total = LogEntry.count(self.env)
        offset = pagenum * self.MAX_PER_PAGE
        entries = list(LogEntry.select(self.env, limit=self.MAX_PER_PAGE,
                                       offset=offset))
        if pagenum > 0:
            add_link(req, 'prev', req.href.admin(cat, page, page=pagenum),
                     'Previous Page')
        if offset + self.MAX_PER_PAGE < total:
            add_link(req, 'next', req.href.admin(cat, page, page=pagenum+2),
                     'Next Page')

        return {
            'enabled': FilterSystem(self.env).logging_enabled,
            'entries': entries,
            'offset': offset + 1,
            'page': pagenum + 1,
            'total': total
        }

 def get_paginator(self):
     def href_with_page(page):
         args = copy.copy(self.req.args)
         args['page'] = page
         return self.req.href(self.href, args)
     comment_count = Comments(self.req, self.env).count(self.args)
     paginator = Paginator(self.data['comments'], self.page - 1,
                           self.per_page, comment_count)
     if paginator.has_next_page:
         add_link(self.req, 'next', href_with_page(self.page + 1),
                  'Next Page')
     if paginator.has_previous_page:
         add_link(self.req, 'prev', href_with_page(self.page - 1),
                  'Previous Page')
     shown_pages = paginator.get_shown_pages(page_index_count=11)
     links = [{
         'href': href_with_page(page),
         'class': None,
         'string': str(page),
         'title': 'Page %d' % page
     } for page in shown_pages]
     paginator.shown_pages = links
     paginator.current_page = {
         'href': None,
         'class': 'current',
         'string': str(paginator.page + 1),
         'title': None
     }
     return paginator

 def page_paginator(self,req,iids,page):
     results = Paginator(iids,
                     int(page) - 1,
                     self.items_per_page)
     apath = args_path(req.args)
     if req:
         if results.has_next_page:
             next_href = req.href(req.path_info, max=self.items_per_page, 
                                       page=page + 1)+apath
             add_link(req, 'next', next_href, 'Next Page')
 
         if results.has_previous_page:
             prev_href = req.href(req.path_info, max=self.items_per_page, 
                                       page=page - 1)+apath
             add_link(req, 'prev', prev_href, 'Previous Page')
     else:
         results.show_index = False
     pagedata = []
     
     
     shown_pages = results.get_shown_pages(21)
     for p in shown_pages:
         pagedata.append([req.href(req.path_info, page=p)+apath, None,
                          str(p), 'Page ' + str(p) + 'd'])
 
     results.shown_pages = [dict(zip(['href', 'class', 'string', 'title'],
                                 p)) for p in pagedata]
     results.current_page = {'href': None, 'class': 'current',
                         'string': str(results.page + 1),
                         'title':None}
     return results

    def _prepare_attrs(self, req, attr):
        page = int(req.args.get('page', '1'))
        # Paginator can't deal with dict, so convert to list.
        attr_lst = [(k,v) for k,v in attr.iteritems()]
        max_per_page = as_int(req.args.get('max_per_page'), None)
        if max_per_page is None:
            max_per_page = self.ACCTS_PER_PAGE
        attr = Paginator(attr_lst, page - 1, max_per_page)

        pagedata = []
        shown_pages = attr.get_shown_pages(21)
        for shown_page in shown_pages:
            page_href = req.href.admin('accounts', 'users', page=shown_page,
                                       max_per_page=max_per_page)
            pagedata.append([page_href, None, str(shown_page),
                             _("page %(num)s", num=str(shown_page))])

        fields = ['href', 'class', 'string', 'title']
        attr.shown_pages = [dict(zip(fields, p)) for p in pagedata]

        attr.current_page = {'href': None, 'class': 'current',
                             'string': str(attr.page + 1), 'title':None}

        if attr.has_next_page:
            next_href = req.href.admin('accounts', 'users', page=page + 1,
                                       max_per_page=max_per_page)
            add_link(req, 'next', next_href, _('Next Page'))

        if attr.has_previous_page:
            prev_href = req.href.admin('accounts', 'users', page=page - 1,
                                       max_per_page=max_per_page)
            add_link(req, 'prev', prev_href, _('Previous Page'))
        page_href = req.href.admin('accounts', 'cleanup')
        return {'attr': attr, 'page_href': page_href}

    def process_request(self, req):
        milestone_id = req.args.get('id')
        req.perm('milestone', milestone_id).require('MILESTONE_VIEW')
        
        add_link(req, 'up', req.href.roadmap(), _('Roadmap'))

        db = self.env.get_db_cnx() # TODO: db can be removed
        milestone = Milestone(self.env, milestone_id, db)
        action = req.args.get('action', 'view')

        if req.method == 'POST':
            if req.args.has_key('cancel'):
                if milestone.exists:
                    req.redirect(req.href.milestone(milestone.name))
                else:
                    req.redirect(req.href.roadmap())
            elif action == 'edit':
                return self._do_save(req, db, milestone)
            elif action == 'delete':
                self._do_delete(req, db, milestone)
        elif action in ('new', 'edit'):
            return self._render_editor(req, db, milestone)
        elif action == 'delete':
            return self._render_confirm(req, db, milestone)

        if not milestone.name:
            req.redirect(req.href.roadmap())

        return self._render_view(req, db, milestone)

    def process_request(self, req):
        """Process the request."""

        id = int(req.args.get('id'))

        req.perm('ticket', id).require('TICKET_VIEW')

        if 'TICKET_REMINDER_MODIFY' not in req.perm and \
                'TICKET_ADMIN' not in req.perm:
            raise PermissionError('TICKET_REMINDER_MODIFY',
                                  req.perm._resource, self.env)

        ticket = Ticket(self.env, id)

        if 'cancel' in req.args:
            req.redirect(get_resource_url(self.env, ticket.resource, req.href))

        ticket_name = get_resource_name(self.env, ticket.resource)
        ticket_url = get_resource_url(self.env, ticket.resource, req.href)
        add_link(req, 'up', ticket_url, ticket_name)
        add_ctxtnav(req, _('Back to %(ticket)s', ticket=ticket_name),
                    ticket_url)

        add_stylesheet(req, 'ticketreminder/css/ticketreminder.css')

        if req.args['action'] == "addreminder":
            return self._process_add(req, ticket)
        elif req.args['action'] == "deletereminder":
            return self._process_delete(req, ticket)
        else:
            raise ValueError('Unknown action "%s"' % (req.args['action'],))

    def _paginate(self, req, results):
        self.query = req.args.get('q', None)
        current_page = as_int(req.args.get('listtagged_page'), 1)
        items_per_page = as_int(req.args.get('listtagged_per_page'), None)
        if items_per_page is None:
            items_per_page = self.items_per_page
        result = Paginator(results, current_page - 1, items_per_page)

        pagedata = []
        shown_pages = result.get_shown_pages(21)
        for page in shown_pages:
            page_href = self.get_href(req, items_per_page, page)
            pagedata.append([page_href, None, str(page),
                             _("Page %(num)d", num=page)])

        attributes = ['href', 'class', 'string', 'title']
        result.shown_pages = [dict(zip(attributes, p)) for p in pagedata]

        result.current_page = {'href': None, 'class': 'current',
                               'string': str(result.page + 1), 'title': None}

        if result.has_next_page:
            next_href = self.get_href(req, items_per_page, current_page + 1)
            add_link(req, 'next', next_href, _('Next Page'))

        if result.has_previous_page:
            prev_href = self.get_href(req, items_per_page, current_page - 1)
            add_link(req, 'prev', prev_href, _('Previous Page'))
        return result

    def process_request(self, req):
        req.perm.assert_permission('TICKET_VIEW')

        action = req.args.get('action', 'view')

        if not req.args.has_key('id'):
            req.redirect(self.env.href.wiki())

        db = self.env.get_db_cnx()
        id = int(req.args.get('id'))

        ticket = Ticket(self.env, id, db=db)
        reporter_id = util.get_reporter_id(req)

        if req.method == 'POST':
            if not req.args.has_key('preview'):
                self._do_save(req, db, ticket)
            else:
                # Use user supplied values
                ticket.populate(req.args)
                req.hdf['ticket.action'] = action
                req.hdf['ticket.ts'] = req.args.get('ts')
                req.hdf['ticket.reassign_owner'] = req.args.get('reassign_owner') \
                                                   or req.authname
                req.hdf['ticket.resolve_resolution'] = req.args.get('resolve_resolution')
                reporter_id = req.args.get('author')
                comment = req.args.get('comment')
                if comment:
                    req.hdf['ticket.comment'] = comment
                    # Wiki format a preview of comment
                    req.hdf['ticket.comment_preview'] = wiki_to_html(comment,
                                                                     self.env,
                                                                     req, db)
        else:
            req.hdf['ticket.reassign_owner'] = req.authname
            # Store a timestamp in order to detect "mid air collisions"
            req.hdf['ticket.ts'] = ticket.time_changed

        self._insert_ticket_data(req, db, ticket, reporter_id)

        # If the ticket is being shown in the context of a query, add
        # links to help navigate in the query result set
        if 'query_tickets' in req.session:
            tickets = req.session['query_tickets'].split()
            if str(id) in tickets:
                idx = tickets.index(str(ticket.id))
                if idx > 0:
                    add_link(req, 'first', self.env.href.ticket(tickets[0]),
                             'Ticket #%s' % tickets[0])
                    add_link(req, 'prev', self.env.href.ticket(tickets[idx - 1]),
                             'Ticket #%s' % tickets[idx - 1])
                if idx < len(tickets) - 1:
                    add_link(req, 'next', self.env.href.ticket(tickets[idx + 1]),
                             'Ticket #%s' % tickets[idx + 1])
                    add_link(req, 'last', self.env.href.ticket(tickets[-1]),
                             'Ticket #%s' % tickets[-1])
                add_link(req, 'up', req.session['query_href'])

        add_stylesheet(req, 'common/css/ticket.css')
        return 'ticket.cs', None

 def post_process_request(self, req, template, data, content_type):
     # Add Google Map API key using a link tag:
     if self.api_key:
         add_link (req, rel='google-key', href='', title=self.api_key, classname='google-key')
         add_stylesheet  (req, 'googlemap/tracgooglemap.css')
         add_script (req, 'googlemap/tracgooglemap.js')
     return (template, data, content_type)

    def _prepare_results(self, result_docs, hits):
        ui_docs = [self._process_doc(doc) for doc in result_docs]

        results = Paginator(
            ui_docs,
            self.page - 1,
            self.pagelen,
            hits)

        self._prepare_shown_pages(results)
        results.current_page = {'href': None,
                                'class': 'current',
                                'string': str(results.page + 1),
                                'title': None}

        parameters = self.parameters
        if results.has_next_page:
            next_href = parameters.create_href(page=parameters.page + 1)
            add_link(self.req, 'next', next_href, _('Next Page'))

        if results.has_previous_page:
            prev_href = parameters.create_href(page=parameters.page - 1)
            add_link(self.req, 'prev', prev_href, _('Previous Page'))

        self.data[self.DATA_RESULTS] = results
        prevnext_nav(self.req, _('Previous'), _('Next'))

    def process_request(self, req):
        milestone_id = req.args.get('id')
        req.perm('milestone', milestone_id).require('MILESTONE_VIEW')

        add_link(req, 'up', req.href.roadmap(), _('Roadmap'))

        action = req.args.get('action', 'view')
        try:
            milestone = Milestone(self.env, milestone_id)
        except ResourceNotFound:
            if 'MILESTONE_CREATE' not in req.perm('milestone', milestone_id):
                raise
            milestone = Milestone(self.env, None)
            milestone.name = milestone_id
            action = 'edit' # rather than 'new' so that it works for POST/save

        if req.method == 'POST':
            if req.args.has_key('cancel'):
                if milestone.exists:
                    req.redirect(req.href.milestone(milestone.name))
                else:
                    req.redirect(req.href.roadmap())
            elif action == 'edit':
                return self._do_save(req, milestone)
            elif action == 'delete':
                self._do_delete(req, milestone)
        elif action in ('new', 'edit'):
            return self._render_editor(req, milestone)
        elif action == 'delete':
            return self._render_confirm(req, milestone)

        if not milestone.name:
            req.redirect(req.href.roadmap())

        return self._render_view(req, milestone)

    def post_process_request(self, req, template, data, content_type):
        get = self.env.config.get

        for link in self.links:
            rel       = get(self.section, link + '.rel'   )
            href      = get(self.section, link + '.href'  )
            title     = get(self.section, link + '.title' )
            mimetype  = get(self.section, link + '.type'  )
            classname = get(self.section, link + '.class' )

            if rel and href:
                add_link(req, rel, href, title or None, mimetype or None, classname or None)


        for stylesheet in self.stylesheets:
            filename  = get(self.section, stylesheet + '.filename', unicode(self.default_style_base) + stylesheet + '.css' )
            mimetype  = get(self.section, stylesheet + '.mimetype', 'text/css')

            if filename:
                add_stylesheet(req, filename, mimetype)


        for script in self.scripts:
            filename  = get(self.section, script     + '.filename', unicode(self.default_script_base) + script + '.js' )
            mimetype  = get(self.section, script     + '.mimetype', 'text/javascript')

            if filename:
                add_script(req, filename, mimetype)


        return (template, data, content_type)

    def process_request(self, req):
        milestone_id = req.args.get('id')
            
        req.perm.assert_permission('MILESTONE_VIEW')

        add_link(req, 'up', req.href.roadmap(), 'Roadmap')

        db = self.env.get_db_cnx()
        milestone = Milestone(self.env, milestone_id, db)
        action = req.args.get('action', 'view')

        if req.method == 'POST':
            if req.args.has_key('cancel'):
                if milestone.exists:
                    req.redirect(req.href.milestone(milestone.name))
                else:
                    req.redirect(req.href.roadmap())
            elif action == 'edit':
                self._do_save(req, db, milestone)
            elif action == 'delete':
                self._do_delete(req, db, milestone)
        elif action in ('new', 'edit'):
            self._render_editor(req, db, milestone)
        elif action == 'delete':
            self._render_confirm(req, db, milestone)
        else:
            self._render_view(req, db, milestone)

        if not milestone_id and action != 'new':
            req.redirect(req.href.roadmap())

        add_stylesheet(req, 'common/css/roadmap.css')
        return 'milestone.cs', None

    def process_translations_request(self, req):
        match = re.match(r'^/translations'
                         r'(?:/([0-9]+)?)?'         # catalog id
                         r'(?:/([A-Za-z\-_]+)?)?'   # locale name
                         r'(?:/([0-9]+)?)?',        # page
                         req.path_info)
        if not match:
            raise ResourceNotFound("Bad URL")

        catalog_id, locale_name, page = match.groups()
        Session = session(self.env)
        if not catalog_id:
            # List available catalogs
            data = {'projects': Session.query(Project).all()}
            return 'l10n_catalogs_list.html', data, None

        if not locale_name:
            # List available locales
            catalog = Session.query(Catalog).get(int(catalog_id))
            if not catalog:
                req.redirect(req.href.translations())
            data = {'catalog': catalog}
            return 'l10n_locales_list.html', data, None

        # List messages of specified locale
        catalog_id, page = int(catalog_id), int(page or 1)

        locale = Session.query(Locale).filter_by(locale=locale_name,
                                                 catalog_id=catalog_id).first()

        if not locale:
            req.redirect(req.href.translations(catalog_id))

        data = {'locale': locale, 'catalog_id': catalog_id}

        paginator = Paginator(list(locale.catalog.messages), page-1, 5)
        data['messages'] = paginator
        shown_pages = paginator.get_shown_pages(25)
        pagedata = []
        for show_page in shown_pages:
            page_href = req.href.translations(catalog_id, locale_name,
                                              show_page)
            pagedata.append([page_href, None, str(show_page),
                             'page %s' % show_page])
        fields = ['href', 'class', 'string', 'title']
        paginator.shown_pages = [dict(zip(fields, p)) for p in pagedata]
        paginator.current_page = {'href': None, 'class': 'current',
                                  'string': str(paginator.page + 1),
                                  'title':None}
        if paginator.has_next_page:
            add_link(req, 'next', req.href.translations(catalog_id,
                                                        locale_name, page+1),
                     _('Next Page'))
        if paginator.has_previous_page:
            add_link(req, 'prev', req.href.translations(catalog_id,
                                                        locale_name, page-1),
                     _('Previous Page'))

        return 'l10n_messages.html', data, None

    def process_request(self, req):
        # did the user ask for any special report?
        id = int(req.args.get('id', -1))
        if id != -1:
            req.perm('report', id).require('REPORT_VIEW')
        else:
            req.perm.require('REPORT_VIEW')

        data = {}
        action = req.args.get('action', 'view')
        if req.method == 'POST':
            if action == 'new':
                self._do_create(req)
            elif action == 'delete':
                self._do_delete(req, id)
            elif action == 'edit':
                self._do_save(req, id)
        elif action in ('copy', 'edit', 'new'):
            template = 'report_edit.html'
            data = self._render_editor(req, id, action == 'copy')
            Chrome(self.env).add_wiki_toolbars(req)
        elif action == 'delete':
            template = 'report_delete.html'
            data = self._render_confirm_delete(req, id)
        elif id == -1:
            template, data, content_type = self._render_list(req)
            if content_type: # i.e. alternate format
                return template, data, content_type
            if action == 'clear':
                if 'query_href' in req.session:
                    del req.session['query_href']
                if 'query_tickets' in req.session:
                    del req.session['query_tickets']
        else:
            template, data, content_type = self._render_view(req, id)
            if content_type: # i.e. alternate format
                return template, data, content_type

        from trac.ticket.query import QueryModule
        show_query_link = 'TICKET_VIEW' in req.perm and \
                          self.env.is_component_enabled(QueryModule)

        if id != -1 or action == 'new':
            add_ctxtnav(req, _('Available Reports'), href=req.href.report())
            add_link(req, 'up', req.href.report(), _('Available Reports'))
        elif show_query_link:
            add_ctxtnav(req, _('Available Reports'))

        # Kludge: only show link to custom query if the query module
        # is actually enabled
        if show_query_link:
            add_ctxtnav(req, _('Custom Query'), href=req.href.query())
            data['query_href'] = req.href.query()
            data['saved_query_href'] = req.session.get('query_href')
        else:
            data['query_href'] = None

        add_stylesheet(req, 'common/css/report.css')
        return template, data, None