provide 'knowledge' attribute (as relation set field) for person; remove corresponding relations from parents portlet and assignment part of form if approprieate (configured via corresponding options); display relation set field as links

git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@4158 fd906abe-77d9-0310-91a1-e0d9ade77398

browser/concept.py

@@ -326,6 +326,9 @@ class ConceptView(BaseView):
         return result
 
     def isHidden(self, pr):
+        if (getName(pr.second.conceptType) in
+                IOptions(adapted(pr.predicate))('hide_parents_for', [])):
+            return True
         hideRoles = IOptions(adapted(pr.first.conceptType))('hide_for', None)
         if hideRoles is not None:
             principal = self.request.principal

browser/concept_macros.pt

@@ -69,12 +69,20 @@
 
 
 <metal:email define-macro="display_email">
-      <a href="#"
-         tal:attributes="href string:mailto:$value"
+      <a tal:attributes="href string:mailto:$value"
          tal:content="value"></a>
 </metal:email>
 
 
+<metal:email define-macro="display_relationset">
+    <span tal:repeat="elem value">
+      <a tal:attributes="href elem/url"
+         tal:content="elem/label"></a>
+      <tal:separator condition="not:repeat/elem/end"> | </tal:separator>
+    </span>
+</metal:email>
+
+
 <metal:parents define-macro="conceptparents">
       <div tal:attributes="class string:content-$level;
                            ondblclick python: item.openEditWindow('configure.html')">
@@ -107,7 +115,6 @@
           <tal:items repeat="related children">
             <tal:item define="class python: repeat['related'].odd() and 'even' or 'odd';
                               description related/description;
-                              xx_predicate related/predicate/title|string:;
                               predicate related/predicateTitle;
                               info python: ' | '.join(
                                     t for t in (description, predicate) if t)">

browser/form.py

@@ -219,7 +219,8 @@ class EditObjectForm(ObjectForm):
     def assignments(self):
         for c in self.target.getConceptRelations():
             r = ConceptRelationView(c, self.request)
-            if r.isProtected: continue
+            if r.isProtected:
+                continue
             yield r
 
 
@@ -242,7 +243,9 @@ class EditConceptForm(EditObjectForm):
     def assignments(self):
         for c in self.target.getParentRelations():
             r = ConceptRelationView(c, self.request)
-            if not r.isProtected and r.context != self.target:
+            if r.isProtected or r.isHidden(r.relation):
+                continue
+            if r.context != self.target:
                 yield r
 
 

knowledge/README.txt

@@ -130,6 +130,10 @@ fulfill the position offered:
   >>> [list(d)[0].title for k, d in prov]
   ['Objectorienting Programming', 'oopython.pdf']
 
+Controlling knowledge-related form fields via a schema factory
+--------------------------------------------------------------
+
+  >>> from loops.knowledge.schema import PersonSchemaFactory
 
 Views that make use of the knowledge management modules
 -------------------------------------------------------

knowledge/configure.zcml

@@ -79,6 +79,8 @@
 
   <!-- other adapters -->
 
+  <zope:adapter factory="loops.knowledge.schema.PersonSchemaFactory" />
+
   <zope:adapter factory="loops.knowledge.setup.SetupManager"
                 name="knowledge" />
 

knowledge/interfaces.py

@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2008 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2011 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
@@ -32,8 +32,9 @@ from cybertools.knowledge.interfaces import IKnowledgeElement
 from loops.interfaces import IConceptSchema, ILoopsAdapter
 from loops.organize.interfaces import IPerson as IBasePerson
 from loops.organize.interfaces import ITask as IBaseTask
+from loops.schema.base import Relation, RelationSet
 
-_ = MessageFactory('zope')
+_ = MessageFactory('loops')
 
 # TODO: separate interfaces for viewing and changing methods!
 
@@ -42,6 +43,12 @@ class IPerson(IBasePerson, IKnowing, ILoopsAdapter):
     """ A person, including knowledge/learning management features.
     """
 
+    knowledge = RelationSet(
+            title=_(u'Knowledge'),
+            description=_(u'The knowledge elements for this person.'),
+            #target_types=('topic',),   # set via global option knowledge.element
+            required=False)
+
 
 class ITask(IBaseTask, IRequirementProfile, ILoopsAdapter):
     """ A task, also acting as a knowledge requirement profile.

knowledge/knowledge.py

@@ -32,6 +32,7 @@ from zope.cachedescriptors.property import Lazy
 from cybertools.typology.interfaces import IType
 from cybertools.knowledge.interfaces import IKnowledgeElement, IKnowledgeProvider
 from cybertools.knowledge.knowing import Knowing
+from loops.common import ParentRelationSetProperty, ChildRelationSetProperty
 from loops.interfaces import IConcept, IResource
 from loops.i18n.common import I18NAdapterBase
 from loops.knowledge.interfaces import IPerson, ITask, ITopic
@@ -82,6 +83,11 @@ class Person(BasePerson, Knowing, KnowledgeAdapterMixin):
         knowledge/learning management features.
     """
 
+    _adapterAttributes = BasePerson._adapterAttributes + ('knowledge',)
+    _noexportAttributes = ('knowledge',)
+
+    knowledge = ParentRelationSetProperty('knows')
+
     implements(IPerson)
 
     def getKnowledge(self):

knowledge/schema.py

@@ -0,0 +1,45 @@
+#
+#  Copyright (c) 2011 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
+#  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""
+Specialized schema factories
+
+$Id$
+"""
+
+from zope.component import adapts
+
+from cybertools.meta.interfaces import IOptions
+from loops.knowledge.interfaces import IPerson
+from loops.organize.schema import PersonSchemaFactory as BasePersonSchemaFactory
+
+
+class PersonSchemaFactory(BasePersonSchemaFactory):
+
+    adapts(IPerson)
+
+    def __call__(self, interface, **kw):
+        schema = super(PersonSchemaFactory, self).__call__(interface, **kw)
+        if 'knowledge' in schema.fields.keys():
+            kelements = IOptions(self.context.getLoopsRoot())('knowledge.element')
+            if kelements:
+                schema.fields['knowledge'].target_types = kelements
+            else:
+                del schema.fields['knowledge']
+        return schema
+

schema/base.py

@@ -62,7 +62,7 @@ class Relation(Field):
                               instanceName='relation'))
 
     def __init__(self, *args, **kw):
-        self.target_types = kw.pop('target_types')
+        self.target_types = kw.pop('target_types', ())
         super(Relation, self).__init__(*args, **kw)
 
 
@@ -73,10 +73,11 @@ class RelationSet(List):
     __typeInfo__ = ('relationset',
                     FieldType('relationset', 'relationset',
                               u'A field representing a sequence of related objects.',
-                              instanceName='relationset'))
+                              instanceName='relationset',
+                              displayRenderer='display_relationset'))
 
     def __init__(self, *args, **kw):
-        self.target_types = kw.pop('target_types')
+        self.target_types = kw.pop('target_types', ())
         self.selection_view = kw.pop('selection_view', None)
         super(RelationSet, self).__init__(*args, **kw)
 

schema/field.py

@@ -76,7 +76,10 @@ class RelationSetFieldInstance(ListFieldInstance, BaseRelationFieldInstance):
                 for v in value]
 
     def display(self, value):
-        return ' | '.join([v.title for v in value])
+        nodeView = self.clientInstance.view.nodeView
+        return [dict(url=nodeView.getUrlForTarget(baseObject(v)),
+                     label=v.title) for v in value]
+        #return ' | '.join([v.title for v in value])
 
     def unmarshall(self, value):
         return [util.getObjectForUid(v) for v in value]