X-Git-Url: https://scm.cri.ensmp.fr/git/Plinn.git/blobdiff_plain/3c4367d8e03450e9a73e61f4247145d2b6c86a33..959d888c17d1403d2eeecc19bc4b5e2c8d1debf6:/Products/Plinn/Topic.py

diff --git a/Products/Plinn/Topic.py b/Products/Plinn/Topic.py
new file mode 100644
index 0000000..e9f7a93
--- /dev/null
+++ b/Products/Plinn/Topic.py
@@ -0,0 +1,135 @@
+# -*- coding: utf-8 -*-
+#######################################################################################
+#   Plinn - http://plinn.org                                                          #
+#   Copyright © 2005-2009  Benoît PIN <benoit.pin@ensmp.fr>                           #
+#                                                                                     #
+#   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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   #
+#######################################################################################
+""" Plinn Topic
+
+
+
+"""
+
+from Globals import InitializeClass
+from zope.component.factory import Factory
+from AccessControl.SecurityInfo import ClassSecurityInfo
+from Products.CMFCore.permissions import View, ListFolderContents
+from Products.CMFTopic.permissions import AddTopics, ChangeTopics
+from Products.CMFTopic.Topic import Topic as BaseTopic
+from Products.CMFDefault.DublinCore import DefaultDublinCoreImpl
+from Products.CMFCore.utils import getToolByName
+from Folder import PlinnFolder
+from types import ListType, TupleType, StringTypes
+
+from sets import Set
+
+
+class Topic(BaseTopic, PlinnFolder):
+	""" CMF Topic with Dublin core metadata support """
+	
+	security = ClassSecurityInfo()
+	
+	security.declareProtected(ChangeTopics, 'listAvailableFields')
+	def listAvailableFields( self ):
+		""" Return a list of available fields for new criteria.
+		"""
+		fields = Set(BaseTopic.listAvailableFields(self))
+		utool = getToolByName(self, "portal_url")
+		portal = utool.getPortalObject()
+		unusedTopicFields = Set(portal.getProperty("unused_topic_fields", []))
+		return fields - unusedTopicFields
+	
+	security.declareProtected(View, 'queryCatalog')
+	def queryCatalog(self, REQUEST=None, **kw) :
+		""" Invoke the catalog using our criteria.
+			remove Member Data results
+		"""
+		kw.update( self.buildQuery() )
+
+		ttool = getToolByName(self, 'portal_types')
+		if not kw.has_key('portal_type') :
+			kw['portal_type'] = ttool.objectIds()
+		else :
+			if type(kw['portal_type']) == ListType :
+				try : kw['portal_type'].remove('Member Data')
+				except : pass
+			if type(kw['portal_type']) == TupleType :
+ 				ptypes = list(kw['portal_type'])
+				try :
+					ptypes.remove('Member Data')
+					kw['portal_type'] = tuple(ptypes)
+				except : pass
+			elif kw['portal_type'] == 'Member Data' :
+				kw['portal_type'] = ttool.objectIds()
+
+		portal_catalog = getToolByName( self, 'portal_catalog' )
+		return portal_catalog.searchResults(REQUEST, **kw)
+	
+	
+	security.declareProtected(ChangeTopics, 'loadSearchQuery')
+	def loadSearchQuery(self, query):
+		sort_on = query.pop('sort_on')
+		sort_order = query.pop('sort_order')
+		ctool = getToolByName(self, 'portal_catalog')
+		hasindex = ctool._catalog.indexes.has_key
+		
+		for k, v in query.items() :
+			if not hasindex(k) : continue
+			if isinstance(v, StringTypes) :
+				self.addCriterion(k, 'String Criterion')
+				crit = self.getCriterion(k)
+				crit.edit(v)
+			elif isinstance(v, (ListType, TupleType)) :
+				if len(v) == 1 :
+					self.addCriterion(k, 'String Criterion')
+					crit = self.getCriterion(k)
+					crit.edit(v[0])
+				else :	
+					self.addCriterion(k, 'List Criterion')
+					crit = self.getCriterion(k)
+					crit.edit(value=v, operator='or')
+			elif isinstance(v, dict) :
+				self.addCriterion(k, v.pop('critType'))
+				crit = self.getCriterion(k)
+				crit.edit(**v)
+		
+		self.addCriterion(sort_on, 'Sort Criterion')
+		sort_crit = self.getCriterion(sort_on)
+		if sort_order == 'reverse' :
+			sort_crit.edit(True)
+		else :
+			sort_crit.edit(False)
+	
+	security.declareProtected(ChangeTopics, 'getCompatibleCriteriaFor')
+	def getCompatibleCriteriaFor(self, fieldName) :
+		""" Return a list of criteria which belong to the field """
+		
+		pass	
+InitializeClass(Topic)
+TopicFactory = Factory(Topic)
+
+
+def addTopic(dispatcher, id, title='', REQUEST=None):
+	""" Create an empty topic.
+	"""
+	topic = Topic( id )
+	topic.id = id
+	topic.title = title
+	dest = dispatcher.Destination()
+	dest._setObject( id, topic )
+
+	if REQUEST is not None:
+		REQUEST['RESPONSE'].redirect( 'manage_main' )