work in progress: layout management

git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2900 fd906abe-77d9-0310-91a1-e0d9ade77398

browser/configure.zcml

@@ -565,35 +565,6 @@
 
   </pages>
 
-  <!-- layout nodes -->
-
-  <page
-      name="index.html"
-      for="loops.interfaces.ILayoutNode"
-      class="cybertools.composer.layout.browser.view.Page"
-      permission="zope.View"
-      />
-
-  <addform
-      label="Add Layout Node"
-      name="AddLoopsLayoutNode.html"
-      content_factory="loops.layout.base.LayoutNode"
-      schema="loops.interfaces.ILayoutNode"
-      fields="title description nodeType viewName body"
-      template="add.pt"
-      permission="zope.ManageContent">
-    <widget field="description" height="2" />
-    <widget field="body" height="8" />
-  </addform>
-
-  <addMenuItem
-      class="loops.layout.base.LayoutNode"
-      title="Layout Node"
-      description="A layout node controls the presentation of objects"
-      permission="zope.ManageContent"
-      view="AddLoopsLayoutNode.html"
-      />
-
   <!-- dialogs/forms (end-user views) -->
 
   <page

configure.zcml

@@ -184,20 +184,6 @@
         interface="zope.app.container.interfaces.IReadContainer" />-->
   </class>
 
-  <class class=".layout.base.LayoutNode">
-    <implements interface="zope.annotation.interfaces.IAttributeAnnotatable" />
-    <factory id="loops.LayoutNode" description="Layout Node" />
-    <require
-        permission="zope.View"
-        interface=".interfaces.ILayoutNode" />
-    <require
-        permission="zope.ManageContent"
-        set_schema=".interfaces.ILayoutNode" />
-    <!--<require
-        permission="zope.View"
-        interface="zope.app.container.interfaces.IReadContainer" />-->
-  </class>
-
   <!-- record manager -->
 
   <interface interface="loops.interfaces.IRecordManager"

interfaces.py

@@ -511,23 +511,6 @@ class INodeContained(Interface):
     containers(INode, IViewManager)
 
 
-# layout views/nodes
-
-class ILayoutView(INodeSchema):
-    """ Base interface for view nodes that use the cybertools.composer.layout
-        presentation mechanism.
-    """
-
-
-class ILayoutNode(ILayoutView, IBaseNode):
-
-    contains(ILayoutView)
-
-
-class ILayoutNodeContained(Interface):
-    containers(ILayoutNode, IViewManager)
-
-
 # record manager interfaces
 
 class IRecordManager(ILoopsObject):

layout/base.py

@@ -17,14 +17,15 @@
 #
 
 """
-Layout stuff
+Layout node + instance implementations.
 
 $Id$
 """
 
 from zope.interface import implements
 
-from loops.interfaces import ILayoutNode, ILayoutNodeContained
+from cybertools.composer.layout.base import LayoutInstance
+from loops.layout.interfaces import ILayoutNode, ILayoutNodeContained
 from loops.view import Node
 
 
@@ -32,3 +33,7 @@ class LayoutNode(Node):
 
     implements(ILayoutNode, ILayoutNodeContained)
 
+
+class NodeLayoutInstance(LayoutInstance):
+
+    pass

layout/browser.py

@@ -0,0 +1,34 @@
+#
+#  Copyright (c) 2008 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
+#
+
+"""
+Layout node views.
+
+$Id$
+"""
+
+from zope.cachedescriptors.property import Lazy
+
+from cybertools.composer.layout.browser.view import Page
+
+
+class LayoutNodeView(Page):
+
+    @Lazy
+    def layoutName(self):
+        return self.context.viewName or 'page'

layout/configure.zcml

@@ -5,4 +5,48 @@
    xmlns:browser="http://namespaces.zope.org/browser"
    i18n_domain="loops">
 
+  <zope:class class="loops.layout.base.LayoutNode">
+    <implements interface="zope.annotation.interfaces.IAttributeAnnotatable" />
+    <factory id="loops.LayoutNode" description="Layout Node" />
+    <require
+        permission="zope.View"
+        interface="loops.layout.interfaces.ILayoutNode" />
+    <require
+        permission="zope.ManageContent"
+        set_schema="loops.layout.interfaces.ILayoutNode" />
+  </zope:class>
+
+  <zope:adapter
+        for="loops.layout.interfaces.ILayoutNode"
+        factory="loops.layout.base.NodeLayoutInstance" />
+
+  <!-- views -->
+
+  <browser:page
+      name="index.html"
+      for="loops.layout.interfaces.ILayoutNode"
+      class="loops.layout.browser.LayoutNodeView"
+      permission="zope.View"
+      />
+
+  <browser:addform
+      label="Add Layout Node"
+      name="AddLoopsLayoutNode.html"
+      content_factory="loops.layout.base.LayoutNode"
+      schema="loops.layout.interfaces.ILayoutNode"
+      fields="title description nodeType viewName body"
+      template="../browser/add.pt"
+      permission="zope.ManageContent">
+    <widget field="description" height="2" />
+    <widget field="body" height="8" />
+  </browser:addform>
+
+  <browser:addMenuItem
+      class="loops.layout.base.LayoutNode"
+      title="Layout Node"
+      description="A layout node controls the presentation of objects"
+      permission="zope.ManageContent"
+      view="AddLoopsLayoutNode.html"
+      />
+
 </configure>

layout/interfaces.py

@@ -0,0 +1,46 @@
+#
+#  Copyright (c) 2008 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
+#
+
+"""
+interface definitions for the loops.layout stuff.
+
+$Id$
+"""
+
+from zope.app.container.constraints import contains, containers
+from zope.interface import Interface
+
+from loops.interfaces import INodeSchema, IBaseNode, IViewManager
+
+
+class ILayoutView(INodeSchema):
+    """ Base interface for view nodes that use the cybertools.composer.layout
+        presentation mechanism.
+    """
+
+
+class ILayoutNode(ILayoutView, IBaseNode):
+
+    contains(ILayoutView)
+
+
+class ILayoutNodeContained(Interface):
+
+    containers(ILayoutNode, IViewManager)
+
+

view.py

@@ -46,7 +46,6 @@ from loops.base import ParentInfo
 from loops.common import AdapterBase
 from loops.interfaces import IView, INode, INodeSchema, INodeAdapter
 from loops.interfaces import IViewManager, INodeContained
-from loops.interfaces import ILayoutNode, ILayoutNodeContained
 from loops.interfaces import ILoopsContained
 from loops.interfaces import ITargetRelation
 from loops.interfaces import IConcept
@@ -178,11 +177,6 @@ class Node(View, OrderedContainer):
         return self.nodeType in ('page', 'menu')
 
 
-class LayoutNode(Node, LayoutManager):
-
-    implements(ILayoutNode, ILayoutNodeContained)
-
-
 class ViewManager(OrderedContainer):
 
     implements(IViewManager, ILoopsContained)