loops.integrator: provide view for show and update external collections

git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1690 fd906abe-77d9-0310-91a1-e0d9ade77398

browser/concept.py

@@ -44,6 +44,7 @@ from zope.security.proxy import removeSecurityProxy
 
 from cybertools.typology.interfaces import IType, ITypeManager
 from loops.interfaces import IConcept
+from loops.interfaces import ITypeConcept
 from loops.concept import Concept, ConceptTypeSourceList, PredicateSourceList
 from loops.browser.common import EditForm, BaseView, LoopsTerms
 from loops import util
@@ -133,20 +134,25 @@ class ConceptView(BaseView):
 
     @Lazy
     def view(self):
+        context = self.context
         viewName = self.request.get('loops.viewName') or getattr(self, '_viewName', None)
         if not viewName:
-            ti = IType(self.context).typeInterface
+            ti = IType(context).typeInterface
             # TODO: check the interface (maybe for a base interface IViewProvider)
             #       instead of the viewName attribute:
-            if ti and 'viewName' in ti:
+            if ti and ti != ITypeConcept and 'viewName' in ti:
                 typeAdapter = ti(self.context)
                 viewName = typeAdapter.viewName
+        if not viewName:
+            tp = IType(context).typeProvider
+            if tp:
+               viewName = ITypeConcept(tp).viewName
         if viewName:
             # ??? Would it make sense to use a somehow restricted interface
             #     that should be provided by the view like IQuery?
             #viewInterface = getattr(typeAdapter, 'viewInterface', None) or IQuery
-            adapter = component.queryMultiAdapter((self.context, self.request),
-                                        interface.Interface, name=viewName)
+            adapter = component.queryMultiAdapter((context, self.request),
+                                                  name=viewName)
             if adapter is not None:
                 return adapter
         #elif type provides view: use this

integrator/README.txt

@@ -98,9 +98,11 @@ Working with the External Collection
   >>> res = coll01.getResources()
   >>> len(res)
   2
-  >>> sorted((r.__name__, r.title) for r in res)
-  [(u'programming_beautifulprogram.pdf', u'BeautifulProgram'),
-   (u'programming_zope_zope3.txt', u'zope3')]
+  >>> sorted((r.__name__, r.title, r._storageName) for r in res)
+  [(u'programming_beautifulprogram.pdf', u'BeautifulProgram', 'fullpath'),
+   (u'programming_zope_zope3.txt', u'zope3', 'fullpath')]
+
+To do: Check storage parameters.
 
 
 Fin de partie

integrator/browser.py

@@ -0,0 +1,48 @@
+#
+#  Copyright (c) 2007 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
+#
+
+"""
+View class(es) for intergrating external objects.
+
+$Id$
+"""
+
+from zope import interface, component
+from zope.app.pagetemplate import ViewPageTemplateFile
+from zope.cachedescriptors.property import Lazy
+
+from cybertools.typology.interfaces import IType
+from loops.browser.concept import ConceptView
+
+
+class ExternalCollectionView(ConceptView):
+
+    macro_template = ViewPageTemplateFile('collection_macros.pt')
+
+    @property
+    def macro(self):
+        return self.macro_template.macros['render_collection']
+
+    def update(self):
+        if 'update' in self.request.form:
+            ti = IType(self.context).typeInterface
+            if ti is not None:
+                adapted = ti(self.context)
+                adapted.update()
+        return True
+

integrator/collection.py

@@ -70,6 +70,7 @@ class ExternalCollectionAdapter(AdapterBase):
         for addr, mdate in provider.collect(self):
             if addr in old:
                 if mdate > self.lastUpdated:
+                    # force reindexing
                     notify(ObjectModifiedEvent(old[addr]))
             else:
                 new.append(addr)
@@ -113,7 +114,7 @@ class DirectoryCollectionProvider(object):
                             title=title,
                             resourceType=extFileType,
                             externalAddress=addr,
-                            storage='fullpath',
+                            storageName='fullpath',
                             storageParams=dict(subdirectory=directory))
             yield obj
 

integrator/collection_macros.pt

@@ -0,0 +1,11 @@
+<metal:resources define-macro="render_collection"
+                 tal:define="dummy item/update">
+
+  <metal:concept use-macro="item/template/macros/conceptdata" />
+
+  <form action="." method="post">
+    <input type="submit" name="update" value="Update Collection" />
+  </form>
+
+</metal:resources>
+

integrator/configure.zcml

@@ -19,4 +19,15 @@
   <zope:utility
       factory="loops.integrator.collection.DirectoryCollectionProvider" />
 
+  <!-- view(s) -->
+
+  <zope:adapter
+      name="collection.html"
+      for="loops.interfaces.IConcept
+           zope.publisher.interfaces.browser.IBrowserRequest"
+      provides="zope.interface.Interface"
+      factory="loops.integrator.browser.ExternalCollectionView"
+      permission="zope.View"
+      />
+
 </configure>

integrator/testsetup.py

@@ -8,9 +8,9 @@ import os
 from zope import component
 
 from loops import util
-from loops.interfaces import IExternalFile
+from loops.interfaces import IFile, IExternalFile
 from loops.concept import Concept
-from loops.resource import Resource
+from loops.resource import Resource, FileAdapter, ExternalFileAdapter
 from loops.integrator.interfaces import IExternalCollection
 from loops.knowledge.setup import SetupManager as KnowledgeSetupManager
 from loops.setup import SetupManager, addAndConfigureObject
@@ -28,6 +28,9 @@ class TestSite(BaseTestSite):
         component.provideAdapter(KnowledgeSetupManager, name='knowledge')
         concepts, resources, views = self.baseSetup()
 
+        component.provideAdapter(FileAdapter, provides=IFile)
+        component.provideAdapter(ExternalFileAdapter, provides=IExternalFile)
+
         tType = concepts.getTypeConcept()
         tExtFile = addAndConfigureObject(concepts, Concept, 'extfile',
                                 title=u'External File', conceptType=tType,

resource.py

@@ -305,6 +305,9 @@ class ExternalFileAdapter(FileAdapter):
 
     implements(IExternalFile)
 
+    _adapterAttributes = (FileAdapter._adapterAttributes
+                       + ('storageParams', 'externalAddress'))
+
     def getStorageParams(self):
         params = getattr(self.context, '_storageParams', None)
         if params is not None:

setup.py

@@ -114,9 +114,12 @@ def addAndConfigureObject(container, class_, name, **kw):
     basicKw = dict([(k, kw[k]) for k in kw if k in basicAttributes])
     obj = addObject(container, class_, name, **basicKw)
     ti = IType(obj).typeInterface
-    adapted = ti is not None and ti(obj) or obj
+    if ti is not None:
+        adapted = ti(obj)
+    else:
+        adapted = obj
     adapterAttributes = [k for k in kw if k not in basicAttributes]
     for attr in adapterAttributes:
-        setattr(obj, attr, kw[attr])
+        setattr(adapted, attr, kw[attr])
     notify(ObjectModifiedEvent(obj))
     return obj

tests/setup.py

@@ -19,13 +19,13 @@ from cybertools.typology.interfaces import IType
 from loops import Loops
 from loops import util
 from loops.common import NameChooser
-from loops.interfaces import IIndexAttributes
+from loops.interfaces import IIndexAttributes, IDocument
 from loops.concept import Concept
 from loops.concept import IndexAttributes as ConceptIndexAttributes
 from loops.resource import Resource
 from loops.resource import IndexAttributes as ResourceIndexAttributes
 from loops.setup import SetupManager, addObject
-from loops.type import ConceptType, ResourceType, TypeConcept
+from loops.type import LoopsType, ConceptType, ResourceType, TypeConcept
 
 
 class TestSite(object):
@@ -42,8 +42,9 @@ class TestSite(object):
         component.provideUtility(relations, IRelationRegistry)
         component.provideAdapter(IndexableRelationAdapter)
 
+        component.provideAdapter(LoopsType)
         component.provideAdapter(ConceptType)
-        component.provideAdapter(ResourceType)
+        component.provideAdapter(ResourceType, (IDocument,))
         component.provideAdapter(TypeConcept)
         component.provideAdapter(NameChooser)