add pageName field to layout node interface, use for selecting suitable layouts; let traversal adapter store page name in request annotation

git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@3005 fd906abe-77d9-0310-91a1-e0d9ade77398

layout/base.py

@@ -35,6 +35,8 @@ from loops.view import Node
 
 class LayoutNode(Node):
 
+    pageName = u''
+
     implements(ILayoutNode, ILayoutNodeContained)
 
 
@@ -42,6 +44,10 @@ class LayoutNode(Node):
 
 class NodeLayoutInstance(LayoutInstance):
 
+    @Lazy
+    def viewAnnotations(self):
+        return self.view.request.annotations.get('loops.view', {})
+
     @Lazy
     def target(self):
         return adapted(self.context.target)
@@ -81,6 +87,7 @@ class TargetLayoutInstance(NodeLayoutInstance):
         """ Return sublayout instances specified by the target object.
         """
         target = self.target
+        pageName = self.viewAnnotations.get('pageName', u'')
         if region is None or target is None:
             return []
         result = []
@@ -88,17 +95,20 @@ class TargetLayoutInstance(NodeLayoutInstance):
         tp = target.context.conceptType
         for n in tp.getClients():
             if n.nodeType == 'info' and n.viewName in names:
+                if pageName != n.pageName:
+                    continue
                 layout = region.layouts[n.viewName]
                 li = component.getAdapter(n, ILayoutInstance,
                                           name=layout.instanceName)
                 li.template = layout
                 result.append(li)
+        # TODO: if not result: provide error info with names, pageName,
+        #       info on client nodes
         return result
 
     @Lazy
     def target(self):
-        viewAnnotations = self.view.request.annotations.get('loops.view', {})
+        target = self.viewAnnotations.get('target')
-        target = viewAnnotations.get('target')
         if target is None:
             target = adapted(self.context.target)
         return target

layout/browser/configure.zcml

@@ -18,11 +18,11 @@
       name="AddLoopsLayoutNode.html"
       content_factory="loops.layout.base.LayoutNode"
       schema="loops.layout.interfaces.ILayoutNode"
-      fields="title description nodeType viewName body"
+      fields="title description nodeType viewName pageName body"
       template="../../browser/add.pt"
       permission="zope.ManageContent">
     <widget field="description" height="2" />
-    <widget field="body" height="8" />
+    <widget field="body" height="3" />
   </browser:addform>
 
   <browser:addMenuItem
@@ -32,6 +32,19 @@
       permission="zope.ManageContent"
       view="AddLoopsLayoutNode.html" />
 
+  <browser:editform
+      label="Edit Node"
+      name="edit.html"
+      schema="loops.layout.interfaces.ILayoutNode"
+      fields="title description nodeType viewName pageName body"
+      for="loops.layout.interfaces.ILayoutNode"
+      template="../../browser/edit.pt"
+      permission="zope.ManageContent"
+      menu="zmi_views" title="Edit Node">
+    <widget field="description" height="2" />
+    <widget field="body" height="3" />
+  </browser:editform>
+
   <!-- target views -->
 
   <zope:adapter

layout/browser/traversal.py

@@ -25,6 +25,7 @@ $Id$
 from zope.app.container.traversal import ItemTraverser
 from zope.cachedescriptors.property import Lazy
 from zope.component import adapts
+from zope.publisher.interfaces import NotFound
 
 from loops.common import adapted
 from loops.i18n.browser import LanguageInfo
@@ -38,6 +39,7 @@ class NodeTraverser(ItemTraverser):
     adapts(ILayoutNode)
 
     def publishTraverse(self, request, name):
+        viewAnnotations = request.annotations.setdefault('loops.view', {})
         if name.startswith('.'):
             if len(name) > 1:
                 if '-' in name:
@@ -54,5 +56,9 @@ class NodeTraverser(ItemTraverser):
                 viewAnnotations['target'] = target
                 #return target
                 return self.context
-        obj = super(NodeTraverser, self).publishTraverse(request, name)
+        try:
+            obj = super(NodeTraverser, self).publishTraverse(request, name)
+        except NotFound, e:
+            viewAnnotations['pageName'] = name
+            return self.context
         return obj

layout/interfaces.py

@@ -24,6 +24,7 @@ $Id$
 
 from zope.app.container.constraints import contains, containers
 from zope.interface import Interface
+from zope import schema
 
 from loops.interfaces import INodeSchema, IBaseNode, INode, IViewManager
 
@@ -33,6 +34,13 @@ class ILayoutView(INodeSchema):
         presentation mechanism.
     """
 
+    pageName = schema.TextLine(
+        title=_(u'Page name'),
+        description=_(u'Name that may be used to identify the layout '
+                      u'via a name in the URL.'),
+        default=u'',
+        required=False)
+
 
 class ILayoutNode(ILayoutView, INode):
 

version.py

@@ -21,7 +21,7 @@ loops version specifications.
 """
 
 revision = '$Id$'
-shortVersion = '0.8'
+shortVersion = '0.9'
 longVersion = '%s-%s' % (shortVersion, ' '.join(revision.split()[2:5]))
 
 versions = dict(loops=shortVersion)