/usr/share/pyshared/schooltool/dashboard/dashboard.py is in python-schooltool 1:2.1.0-0ubuntu1.
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# SchoolTool - common information systems platform for school administration
# Copyright (c) 2005 Shuttleworth Foundation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""Dashboard Implementation
$Id$
"""
__docformat__ = 'reStructuredText'
import zope.component
import zope.interface
from zope.viewlet import manager, viewlet
from zope.traversing.browser.absoluteurl import absoluteURL
import schooltool.person
from schooltool.app.interfaces import ISchoolToolApplication
from schooltool.dashboard import interfaces
from schooltool.securitypolicy.crowds import TeachersCrowd, StudentsCrowd
class Dashboard(manager.ViewletManagerBase):
zope.interface.implements(interfaces.IDashboard)
table = None
def __getitem__(self, name):
"""See zope.interface.common.mapping.IReadMapping"""
viewlet = super(Dashboard, self).__getitem__(name)
if not viewlet.isAvailable():
raise zope.component.interfaces.ComponentLookupError(
'Viewlet `%s` is not available.' %name)
def createTable(self):
self.table = [[], []]
for index in range(len(self.viewlets)):
try:
html = {'title':self.viewlets[index].title,
'content':self.viewlets[index].render()}
except Exception, e:
html = {'title':self.viewlets[index].title,
'error':"An %s error occurred: %s" %
(e.__class__.__name__, str(e))}
self.table[index%2].append(html)
def filter(self, viewlets):
"""Filter by by availability."""
viewlets = super(Dashboard, self).filter(viewlets)
return [(name, viewlet) for name, viewlet in viewlets
if viewlet.isAvailable()]
def sort(self, viewlets):
"""Sort the viewlets by weight."""
return sorted(viewlets, key=lambda v: v[1].getWeight())
def update(self):
super(Dashboard, self).update()
self.createTable()
class DashboardTabView(object):
def dynamicVariables(self):
return """
var ajaxURL = '%s/dashboardContent';
""" % (absoluteURL(ISchoolToolApplication(None), self.request))
class DashboardCategory(viewlet.ViewletBase):
zope.interface.implements(interfaces.IDashboardCategory)
groups = []
weight = 100
# See interfaces.IDashboardCategory
title = ''
def appURL(self):
return absoluteURL(ISchoolToolApplication(None), self.request)
def getWeight(self):
"""See interfaces.IDashboardCategory"""
return int(self.weight)
def isAvailable(self):
return True
class PersonDashboardCategory(DashboardCategory):
"""A person-centric dashboard category.
It is aware of person objects, and is only available for
schooltool users.
"""
def __init__(self, context, request, view, manager):
super(PersonDashboardCategory, self).__init__(context, request,
view, manager)
# Since unauthenticated users cannot be adapted to Person object,
# we must catch the exception
try:
self.context = schooltool.person.interfaces.IPerson(self.request.principal)
except TypeError:
self.context = None
def isAvailable(self):
return self.context != None
class SectionsCategory(PersonDashboardCategory):
"""Dashboard area for the user's sections"""
@property
def isTeacher(self):
return TeachersCrowd(self.context).contains(self.request.principal)
@property
def isStudent(self):
return StudentsCrowd(self.context).contains(self.request.principal)
def getSections(self):
person = schooltool.person.interfaces.IPerson(self.request.principal)
instructor_of = schooltool.course.interfaces.IInstructor(person).sections()
for section in instructor_of:
url = absoluteURL(section, self.request)
url += '/gradebook'
title = '%s %s' % (list(section.courses)[0].title, section.title)
yield {'url': url, 'title': title}
learner_of = schooltool.course.interfaces.ILearner(person).sections()
for section in learner_of:
url = absoluteURL(section, self.request)
url += '/mygrades'
title = '%s %s' % (list(section.courses)[0].title, section.title)
yield {'url': url, 'title': title}
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