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Viewing changes to src/schooltool/gradebook/browser/worksheet.py

  • Committer: Bazaar Package Importer
  • Author(s): Gediminas Paulauskas
  • Date: 2011-02-24 16:53:53 UTC
  • Revision ID: james.westby@ubuntu.com-20110224165353-hi69ckyal3b8dyns
Tags: upstream-0.9.0~a1
Import upstream version 0.9.0~a1

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src/schooltool/gradebook/browser/worksheet.py
 
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#
 
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# SchoolTool - common information systems platform for school administration
 
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# Copyright (c) 2005 Shuttleworth Foundation
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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#
 
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"""Worksheet Views.
 
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$Id$
 
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"""
 
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from zope.security.checker import canWrite
 
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from zope.security.interfaces import Unauthorized
 
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from zope.traversing.api import getName
 
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from zope.traversing.browser.absoluteurl import absoluteURL
 
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from zope.publisher.browser import BrowserView
 
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from schooltool.app.browser import app
 
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from schooltool.gradebook import GradebookMessage as _
 
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from schooltool.gradebook import interfaces
 
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from schooltool.gradebook.browser.activity import BaseEditView
 
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from schooltool.person.interfaces import IPerson
 
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class WorksheetGradebookView(BrowserView):
 
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    """A view that redirects from the worksheet to its gradebook."""
 
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    def __init__(self, context, request):
 
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        super(WorksheetGradebookView, self).__init__(context, request)
 
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        url = absoluteURL(self.context, self.request) + '/gradebook'
 
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        self.request.response.redirect(url)
 
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    def __call__(self):
 
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        return "Redirecting..."
 
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class WorksheetManageView(object):
 
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    """A Worksheet view."""
 
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    __used_for__ = interfaces.IWorksheet
 
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    def activities(self):
 
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        pos = 0
 
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        results = []
 
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        for activity in list(self.context.values()):
 
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            pos += 1
 
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            url = absoluteURL(activity, self.request)
 
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            if interfaces.ILinkedColumnActivity.providedBy(activity):
 
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                url += '/editLinkedColumn.html'
 
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            yield {'name': getName(activity),
 
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                   'title': activity.title,
 
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                   'url': url,
 
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                   'pos': pos,
 
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                   'deployed': self.context.deployed}
 
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    def isTemplate(self):
 
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        return interfaces.IReportWorksheet.providedBy(self.context)
 
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    def canModify(self):
 
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        return canWrite(self.context, 'title')
 
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    def positions(self):
 
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        return range(1, len(self.context.values())+1)
 
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    def update(self):
 
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        self.person = IPerson(self.request.principal, None)
 
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        if self.person is None:
 
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            # XXX ignas: i had to do this to make the tests pass,
 
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            # someone who knows what this code should do if the user
 
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            # is unauthenticated should add the relevant code
 
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            raise Unauthorized("You don't have the permission to do this.")
 
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        if 'DELETE' in self.request:
 
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            for name in self.request.get('delete', []):
 
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                del self.context[name]
 
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        elif 'form-submitted' in self.request:
 
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            old_pos = 0
 
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            for activity in self.context.values():
 
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                old_pos += 1
 
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                name = getName(activity)
 
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                if 'pos.'+name not in self.request:
 
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                    continue
 
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                new_pos = int(self.request['pos.'+name])
 
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                if new_pos != old_pos:
 
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                    self.context.changePosition(name, new_pos-1)
 
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    @property
 
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    def noActivitiesMessage(self):
 
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        return _('This worksheet has no activities.')
 
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class WorksheetAddView(app.BaseAddView):
 
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    """A view for adding a worksheet."""
 
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    def nextURL(self):
 
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        #person = IPerson(self.request.principal, None)
 
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        #self.context.context.resetCurrentWorksheet(person)
 
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        return absoluteURL(self.context.context, self.request)
 
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class WorksheetEditView(BaseEditView):
 
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    """A view for editing worksheet info."""
 
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    def nextURL(self):
 
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        return absoluteURL(self.context.__parent__, self.request)
 
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class WorksheetDeleteView(object):
 
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    """A view for deleting a worksheet."""
 
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    def update(self):
 
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        import pdb; pdb.set_trace()
 
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        next_url = absoluteURL(self.context.__parent__, self.request)
 
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        if 'CANCEL' in self.request:
 
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            self.request.response.redirect(next_url)
 
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        elif 'DELETE' in self.request:
 
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            next_url += '?DELETE_WORKSHEET=' + self.context.__name__
 
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            self.request.response.redirect(next_url)
 
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