work in progress: allow linking to parents from other loops sites: allow selection of foreign types

browser/common.py

@@ -49,7 +49,7 @@ from zope.security import canAccess
 from zope.security.interfaces import ForbiddenAttribute, Unauthorized
 from zope.security.proxy import removeSecurityProxy
 from zope.traversing.browser import absoluteURL
-from zope.traversing.api import getName, getParent
+from zope.traversing.api import getName, getParent, traverse
 
 from cybertools.ajax.dojo import dojoMacroTemplate
 from cybertools.browser.view import GenericView
@@ -70,7 +70,7 @@ from loops.organize.tracking import access
 from loops.resource import Resource
 from loops.security.common import checkPermission
 from loops.security.common import canAccessObject, canListObject, canWriteObject
-from loops.type import ITypeConcept
+from loops.type import ITypeConcept, LoopsTypeInfo
 from loops import util
 from loops.util import _, saveRequest
 from loops import version
@@ -531,11 +531,29 @@ class BaseView(GenericView, I18NView):
     def conceptTypes(self):
         return util.KeywordVocabulary(self.listTypes(('concept',), ('hidden',)))
 
+    def parentTypesFromOtherSites(self):
+        result = []
+        typeNames = self.typeOptions('parent_link_types') or []
+        for path in self.typeOptions('parent_link_sites') or []:
+            site = traverse(self.loopsRoot, path, None)
+            if site is None:
+                continue
+            cm = site.getConceptManager()
+            for tname in typeNames:
+                t = cm.get(tname)
+                if t is not None:
+                    type = LoopsTypeInfo(t)
+                    type.isForeignReference = True
+                    result.append(type)
+        return result
+
     def listTypesForSearch(self, include=None, exclude=None, sortOn='title'):
         types = [dict(token=t.tokenForSearch, title=t.title)
                     for t in ITypeManager(self.context).listTypes(include, exclude)]
         if sortOn:
             types.sort(key=lambda x: x[sortOn])
+        for t in self.parentTypesFromOtherSites():
+            types.append(dict(token=t.tokenForSearch, title=t.title))
         return types
 
     def typesForSearch(self):

type.py

@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2006 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2013 Helmut Merz helmutm@cy55.de
 #
 #  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
@@ -18,8 +18,6 @@
 
 """
 Type management stuff.
-
-$Id$
 """
 
 from zope import component, schema
@@ -28,7 +26,7 @@ from zope.interface import implements
 from zope.cachedescriptors.property import Lazy
 from zope.dottedname.resolve import resolve
 from zope.security.proxy import removeSecurityProxy
-from zope.traversing.api import getName
+from zope.traversing.api import getName, getPath
 
 from cybertools.typology.type import BaseType, TypeManager
 from cybertools.typology.interfaces import ITypeManager
@@ -50,10 +48,15 @@ class LoopsType(BaseType):
                           #document=Document)
     containerMapping = dict(concept='concepts', resource='resources')
 
+    isForeignReference = False
+
     @Lazy
     def title(self):
         tp = self.typeProvider
-        return tp is None and u'Unknown Type' or tp.title
+        title = tp is None and u'Unknown Type' or tp.title
+        if self.isForeignReference:
+            title += (' (Site: %s)' % getName(self.root))
+        return title
 
     @Lazy
     def token(self):
@@ -64,7 +67,11 @@ class LoopsType(BaseType):
     def tokenForSearch(self):
         tp = self.typeProvider
         typeName = tp is None and 'unknown' or str(getName(tp))
-        return ':'.join(('loops', self.qualifiers[0], typeName,))
+        if self.isForeignReference:
+            root = '/'.join(getPath(self.root))
+        else:
+            root = 'loops'
+        return ':'.join((root, self.qualifiers[0], typeName,))
 
     @Lazy
     def typeInterface(self):