provide breadcrumbs

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2710 fd906abe-77d9-0310-91a1-e0d9ade77398

integrator/browser/bscw.py

@@ -75,6 +75,13 @@ class ItemView(BaseView):
         url = self.parentView.url
         return '%s?id=%s' % (url, self.context.internalPath)
 
+    @property
+    def breadCrumbs(self):
+        for p in reversed(list(self.context.parents)):
+            view = ItemView(p, self.request, self.parentView)
+            yield dict(url=view.url, title=view.title)
+        yield dict(url=self.url, title=self.title)
+
 
 class BSCWView(BaseView):
 
@@ -112,3 +119,4 @@ class BSCWView(BaseView):
         proxy = self.remoteProxy
         for obj in proxy.values():
             yield self.itemView(obj, self.request, self)
+

integrator/bscw.py

@@ -42,7 +42,7 @@ from cybertools.integrator.interfaces import IItemFactory, IFileFactory
 baseAttributes = ['__class__', 'name', 'id', 'descr', 'notes',
     'bound_sub_artifacts', 'creator', 'owner', 'owners',
     'ctime', 'mtime', 'atime', 'lastEvent', 'createEvent',
-    'lastChange', 'lastMove', 'containers', 'access']
+    'lastChange', 'lastMove', 'location', 'containers', 'access']
 
 minimalAttributes = ['__class__', 'name', 'id', 'descr', 'mtime']
 
@@ -54,8 +54,9 @@ urlAttributes = ['url_link', 'last_verified', 'last_error', 'content_length',
     'content_type', 'content_encoding', 'last_modified']
 
 standardAttributes = ['__class__', 'type', 'id', 'name', 'descr',
-            'ctime', 'mtime', 'creator', 'owner', 'owner',
-            'url_link', 'size', 'encoding']
+            'ctime', 'mtime', 'creator', 'owner', 'owners',
+            'url_link', 'size', 'encoding',
+            'containers', 'location']
 
 classes = ['cl_core.Folder', 'cl_core.Document', 'cl_core.URL', ]
 
@@ -81,14 +82,14 @@ class BSCWConnection(object):
         if url:
             self.baseURL, self.rootId = url.rsplit('/', 1)
 
-    def getItem(self, address):
-        return self.server.get_attributes(address, standardAttributes, 1, True)
+    def getItem(self, address, nested=True):
+        return self.server.get_attributes(address, standardAttributes, 1, nested)
 
-    def getProxy(self, item=None, address=None, parentPath=''):
+    def getProxy(self, item=None, address=None, parentPath='', nested=True):
         if item is None:
             if address is None:
                 address = self.rootId
-            item = self.getItem(address)[0]
+            item = self.getItem(address, nested=nested)[0]
         address = item['id']
         itemType = item['__class__'].split('.')[-1]
         internalPath = '/'.join((parentPath, address)).strip('/')
@@ -122,9 +123,7 @@ class BSCWProxyBase(object):
 
     @Lazy
     def externalURLInfo(self):
-        id = self.address
-        if id.startswith('bs_'):
-            id = id[3:]
+        id = self.address.lstrip('bs_')
         return ExternalURLInfo(self.baseURL, id)
 
     @Lazy
@@ -148,6 +147,18 @@ class BSCWProxyBase(object):
         dt = self.properties['mtime']
         return dt and datetime(*(strptime(str(dt), '%Y%m%dT%H:%M:%SZ')[0:6])) or ''
 
+    @property
+    def parents(self):
+        if self.address.lstrip('bs_') == self.connection.rootId:
+            return
+        parentId = self.properties['location']['__id__'].lstrip('bs_')
+        p = self.connection.getProxy(address=parentId, nested=False)
+        while parentId != self.connection.rootId:
+            yield p
+            parentId = p.properties['location']['__id__'].lstrip('bs_')
+            p = self.connection.getProxy(address=parentId)
+        yield p
+
 
 class ReadContainer(BSCWProxyBase, ReadContainer):
 

integrator/bscw.txt

@@ -62,6 +62,9 @@ We can now access the root object of the BSCW repository.
   >>> str(root.externalURLInfo)
   'http://localhost/bscw.cgi/4'
 
+  >>> list(root.parents)
+  []
+
 Let's also have a look at the item contained in the root object.
 
   >>> bs_5 = root['bs_5']
@@ -82,6 +85,16 @@ Let's also have a look at the item contained in the root object.
   >>> str(bs_5.externalURLInfo)
   'http://localhost/bscw.cgi/5'
 
+  >>> bs_5.properties['containers']
+  [{'name': 'public', '__id__': 'bs_4'}]
+
+  >>> [p.address for p in bs_5.parents]
+  ['bs_4']
+
+  >>> bs_6 = bs_5['bs_6']
+  >>> [p.address for p in bs_6.parents]
+  ['bs_5', 'bs_4']
+
 
 The BSCW Repository View
 ========================
@@ -104,6 +117,10 @@ The BSCW Repository View
   >>> items[0].icon
   'http://127.0.0.1/++resource++folder.png'
 
+  >>> list(items[0].breadCrumbs)
+  [{'url': 'http://127.0.0.1/bscw?id=bs_4', 'title': 'public'},
+   {'url': 'http://127.0.0.1/bscw?id=bs_5', 'title': 'Introduction'}]
+
 
 Fin de partie
 =============

integrator/filesystem.py

@@ -32,7 +32,6 @@ from zope.interface import implements, Attribute
 
 from cybertools.integrator.base import ContainerFactory, FileFactory
 from cybertools.integrator.base import ReadContainer, File, Image
-from cybertools.text import mimetypes
 
 
 # proxy classes

integrator/tests/bscw.py

@@ -51,25 +51,27 @@ class BSCWRepository(dict):
         for obj in objs:
             self[obj.id] = obj
             obj.repository = self
-        self.updateContainersAttribute()
+        self.updateLocation()
 
     def get(self, key, default=None):
         if not key.startswith('bs_'):
             key = 'bs_' + key
         return super(BSCWRepository, self).get(key, default)
 
-    def updateContainersAttribute(self):
+    def updateLocation(self):
         for obj in self.values():
             for c in obj.children:
                 child = self.get(c)
                 if child is not None:
-                    containerInfo = dict(__id__=child.id, name=child['name'])
-                    child.setdefault('containers', []).append(containerInfo)
+                    containerInfo = dict(__id__=obj.id, name=obj['name'])
+                    child['containers'] = [containerInfo]
+                    child['location'] = containerInfo
 
 
 sampleObjects = BSCWRepository(
     Artifact('4', name='public', descr='Public Repository', children=['5'],
-                  containers=[dict(__id__='4711', name='Community of Anonymous')]),
+                  containers=[dict(__id__='4711', name='Community of Anonymous')],
+                  location=dict(__id__='4711', name='Community of Anonymous')),
     Artifact('5', name='Introduction', descr='Introduction to BSCW',
              children=['6', '7']),
     Artifact('6', name='Overview', descr='BSCW Overview',