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Viewing changes to src/zope/app/homefolder/.svn/text-base/browser.py.svn-base

  • Committer: Marc Tardif
  • Date: 2008-04-26 19:03:34 UTC
  • Revision ID: cr3@lime-20080426190334-u16xo4llz56vliqf
Initial import.

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src/zope/app/homefolder/.svn/text-base/browser.py.svn-base
 
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##############################################################################
 
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#
 
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# Copyright (c) 2004 Zope Corporation and Contributors.
 
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# All Rights Reserved.
 
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#
 
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# This software is subject to the provisions of the Zope Public License,
 
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# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
 
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# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
 
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# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 
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# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
 
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# FOR A PARTICULAR PURPOSE.
 
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#
 
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##############################################################################
 
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"""Home Folder related views.
 
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$Id$
 
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"""
 
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__docformat__ = "reStructuredText"
 
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import zope.schema
 
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from zope.schema.vocabulary import SimpleVocabulary
 
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from zope.security.proxy import removeSecurityProxy
 
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from zope.traversing.interfaces import TraversalError
 
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from zope.traversing.api import getPath, getRoot, traverse
 
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from zope.dottedname.resolve import resolve
 
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from zope.app.form.browser import TextWidget, MultiSelectWidget
 
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from zope.app.form.utility import setUpWidget
 
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from zope.app.form.interfaces import IInputWidget
 
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from zope.app.form.interfaces import ConversionError
 
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from zope.app.homefolder.i18n import _
 
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from zope.app.security.vocabulary import PrincipalSource
 
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class PathWidget(TextWidget):
 
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    def _toFieldValue(self, input):
 
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        path = super(PathWidget, self)._toFieldValue(input)
 
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        root = getRoot(self.context.context)
 
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        try:
 
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            proxy = traverse(root, path)
 
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        except TraversalError, e:
 
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            raise ConversionError(_('path is not correct !'), e)
 
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        else:
 
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            return removeSecurityProxy(proxy)
 
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    def _toFormValue(self, value):
 
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        if value is None:
 
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            return ''
 
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        return getPath(value)
 
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class DottedNameWidget(TextWidget):
 
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    """ Checks if the input is a resolvable class. """
 
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    def _toFieldValue(self, input):
 
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        try:
 
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            objectToCreate = resolve(input)
 
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        except ImportError, e:
 
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            raise  ConversionError(_('dotted name is not correct !'), e)
 
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        else:
 
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            return input
 
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class AssignHomeFolder(object):
 
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    def setupWidgets(self):
 
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        self.principal_field = zope.schema.Choice(
 
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            __name__ = 'principal',
 
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            title=u'Principal Id',
 
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            source=PrincipalSource(),
 
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            required=False)
 
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        self.folderName_field = zope.schema.TextLine(
 
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            __name__ = 'folderName',
 
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            title=u'Folder Name',
 
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            required=False)
 
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        self.selectedPrincipals_field = zope.schema.List(
 
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            __name__ = 'selectedPrincipals',
 
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            title=u'Existing Assignments',
 
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            value_type=zope.schema.Choice(
 
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                vocabulary=SimpleVocabulary.fromItems(
 
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                    [('%s (%s)' %(key, value), key)
 
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                     for key, value in self.context.assignments.items()]
 
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                    )),
 
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            required=False)
 
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        setUpWidget(self, 'principal', self.principal_field, IInputWidget)
 
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        setUpWidget(self, 'folderName', self.folderName_field, IInputWidget)
 
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        self.selectedPrincipals_widget = MultiSelectWidget(
 
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            self.selectedPrincipals_field.bind(self),
 
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            self.selectedPrincipals_field.value_type.vocabulary,
 
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            self.request)
 
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        self.selectedPrincipals_widget.setRenderedValue([])
 
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    def update(self):
 
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        self.setupWidgets()
 
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        if 'SUBMIT_ASSIGN' in self.request:
 
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            if not self.principal_widget.hasInput():
 
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                return u''
 
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            principal = self.principal_widget.getInputValue()
 
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            name = self.folderName_widget.getInputValue()
 
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            self.context.assignHomeFolder(principal, name)
 
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            self.setupWidgets()
 
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            return u'Home Folder assignment was successful.'
 
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        if 'SUBMIT_UNASSIGN' in self.request:
 
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            if not self.selectedPrincipals_widget.hasInput():
 
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                return u''
 
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            for id in self.selectedPrincipals_widget.getInputValue():
 
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                self.context.unassignHomeFolder(id)
 
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            self.setupWidgets()
 
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            return u'Principals were successfully unassigned.'
 
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        return u''