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##############################################################################
#
# Zope Public License (ZPL) Version 1.0
# -------------------------------------
#
# Copyright (c) Digital Creations. All rights reserved.
#
# This license has been certified as Open Source(tm).
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# 1. Redistributions in source code must retain the above copyright
# notice, this list of conditions, and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions, and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Digital Creations requests that attribution be given to Zope
# in any manner possible. Zope includes a "Powered by Zope"
# button that is installed by default. While it is not a license
# violation to remove this button, it is requested that the
# attribution remain. A significant investment has been put
# into Zope, and this effort will continue if the Zope community
# continues to grow. This is one way to assure that growth.
#
# 4. All advertising materials and documentation mentioning
# features derived from or use of this software must display
# the following acknowledgement:
#
# "This product includes software developed by Digital Creations
# for use in the Z Object Publishing Environment
# (http://www.zope.org/)."
#
# In the event that the product being advertised includes an
# intact Zope distribution (with copyright and license included)
# then this clause is waived.
#
# 5. Names associated with Zope or Digital Creations must not be used to
# endorse or promote products derived from this software without
# prior written permission from Digital Creations.
#
# 6. Modified redistributions of any form whatsoever must retain
# the following acknowledgment:
#
# "This product includes software developed by Digital Creations
# for use in the Z Object Publishing Environment
# (http://www.zope.org/)."
#
# Intact (re-)distributions of any official Zope release do not
# require an external acknowledgement.
#
# 7. Modifications are encouraged but must be packaged separately as
# patches to official Zope releases. Distributions that do not
# clearly separate the patches from the original work must be clearly
# labeled as unofficial distributions. Modifications which do not
# carry the name Zope may be packaged in any form, as long as they
# conform to all of the clauses above.
#
#
# Disclaimer
#
# THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS ``AS IS'' AND ANY
# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL CREATIONS OR ITS
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#
# This software consists of contributions made by Digital Creations and
# many individuals on behalf of Digital Creations. Specific
# attributions are listed in the accompanying credits file.
#
##############################################################################
'''
Variables in a web-configurable workflow.
$Id: Variables.py,v 1.2 2001/08/31 14:36:42 shane Exp $
'''
__version__='$Revision: 1.2 $'[11:-2]
from string import join, split, strip
from OFS.SimpleItem import SimpleItem
from Globals import DTMLFile
from Acquisition import aq_inner, aq_parent
import Globals
from AccessControl import ClassSecurityInfo
from Products.CMFCore.CMFCorePermissions import ManagePortal
from ContainerTab import ContainerTab
from Guard import Guard
from Expression import Expression
from utils import _dtmldir
class VariableDefinition (SimpleItem):
meta_type = 'Workflow Variable'
security = ClassSecurityInfo()
security.declareObjectProtected(ManagePortal)
description = ''
for_catalog = 1
for_status = 1
default_value = ''
default_expr = None # Overrides default_value if set
info_guard = None
manage_options = (
{'label': 'Properties', 'action': 'manage_properties'},
)
def __init__(self, id):
self.id = id
def getDefaultExprText(self):
if not self.default_expr:
return ''
else:
return self.default_expr.text
def getInfoGuard(self):
if self.info_guard is not None:
return self.info_guard
else:
return Guard() # Create a temporary guard.
def getInfoGuardSummary(self):
res = None
if self.info_guard is not None:
res = self.info_guard.getSummary()
return res
_properties_form = DTMLFile('variable_properties', _dtmldir)
def manage_properties(self, REQUEST, manage_tabs_message=None):
'''
'''
return self._properties_form(REQUEST,
management_view='Properties',
manage_tabs_message=manage_tabs_message,
)
def setProperties(self, description,
default_value='', default_expr='',
for_catalog=0, for_status=0,
props=None, REQUEST=None):
'''
'''
self.description = str(description)
self.default_value = str(default_value)
if default_expr:
self.default_expr = Expression(default_expr)
else:
self.default_expr = None
g = Guard()
if g.changeFromProperties(props or REQUEST):
self.info_guard = g
else:
self.info_guard = None
self.for_catalog = not not for_catalog # Pure boolean value
self.for_status = not not for_status
if REQUEST is not None:
return self.manage_properties(REQUEST, 'Properties changed.')
Globals.InitializeClass(VariableDefinition)
class Variables (ContainerTab):
meta_type = 'Workflow Variables'
all_meta_types = ({'name':VariableDefinition.meta_type,
'action':'addVariable',
},)
_manage_variables = DTMLFile('variables', _dtmldir)
def manage_main(self, REQUEST, manage_tabs_message=None):
'''
'''
return self._manage_variables(
REQUEST,
management_view='Variables',
manage_tabs_message=manage_tabs_message,
)
def addVariable(self, id, REQUEST=None):
'''
'''
vdef = VariableDefinition(id)
self._setObject(id, vdef)
if REQUEST is not None:
return self.manage_main(REQUEST, 'Variable added.')
def deleteVariables(self, ids, REQUEST=None):
'''
'''
for id in ids:
self._delObject(id)
if REQUEST is not None:
return self.manage_main(REQUEST, 'Variable(s) removed.')
def _checkId(self, id, allow_dup=0):
wf_def = aq_parent(aq_inner(self))
if id == wf_def.state_var:
raise 'Bad Request', '"%s" is used for keeping state.' % id
return ContainerTab._checkId(self, id, allow_dup)
def getStateVar(self):
wf_def = aq_parent(aq_inner(self))
return wf_def.state_var
def setStateVar(self, id, REQUEST=None):
'''
'''
wf_def = aq_parent(aq_inner(self))
if id != wf_def.state_var:
self._checkId(id)
wf_def.state_var = str(id)
if REQUEST is not None:
return self.manage_main(REQUEST, 'Set state variable.')
Globals.InitializeClass(Variables)
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