[CMF-checkins] CVS: Products/CMFTopic - SortCriterion.py:1.1 __init__.py:1.9
Tres Seaver
tseaver@zope.com
Mon, 20 Aug 2001 14:22:48 -0400
Update of /cvs-repository/Products/CMFTopic
In directory cvs.zope.org:/tmp/cvs-serv25361
Modified Files:
__init__.py
Added Files:
SortCriterion.py
Log Message:
- Add SortCriterion, to permit sorting search results.
=== Added File Products/CMFTopic/SortCriterion.py ===
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"""
Declare simple string-match criterion class.
"""
from AbstractCriterion import AbstractCriterion
from AccessControl import ClassSecurityInfo
from Topic import Topic
import Globals, interfaces
from Products.CMFCore import CMFCorePermissions
import TopicPermissions
class SortCriterion(AbstractCriterion):
"""
Represent a mock criterion, to allow spelling the sort order
and reversal items in a catalog query.
"""
__implements__ = (interfaces.Criterion,)
meta_type = 'Sort Criterion'
security = ClassSecurityInfo()
field = None # Don't prevent use of field in other criteria
_editableAttributes = ('reversed',)
def __init__(self, id, index):
self.id = id
self.index = index
self.reversed = 0
# inherit permissions
def Field( self ):
"""
Map the stock Criterion interface.
"""
return self.index
security.declareProtected(TopicPermissions.ChangeTopics, 'getEditForm')
def getEditForm(self):
" Return the skinned name of the edit form "
return 'sort_edit'
security.declareProtected(TopicPermissions.ChangeTopics, 'edit')
def edit(self, reversed):
""" Update the value we are to match up against """
self.reversed = not not reversed
security.declareProtected(CMFCorePermissions.View, 'getCriteriaItems')
def getCriteriaItems( self ):
""" Return a sequence of criteria items, used by Topic.buildQuery """
result = [ ( 'sort_on', self.index ) ]
if self.reversed:
result.append( ( 'sort_order', 'reverse' ) )
return tuple( result )
Globals.InitializeClass(SortCriterion)
# Register as a criteria type with the Topic class
Topic._criteriaTypes.append(SortCriterion)
=== Products/CMFTopic/__init__.py 1.8 => 1.9 ===
import ListCriterion
import DateCriteria
+import SortCriterion
import Products.CMFCore
from ZClasses import createZClassForBase