[Checkins] SVN: Sandbox/ulif/zope.introspector/src/zope/introspector/viewinfo.py Steal my own code.

[Uli Fouquet]

Log message for revision 87512:
  Steal my own code.

Changed:
  A   Sandbox/ulif/zope.introspector/src/zope/introspector/viewinfo.py

-=-
Copied: Sandbox/ulif/zope.introspector/src/zope/introspector/viewinfo.py (from rev 87511, grok/branches/ulif-viewinfo/src/grok/admin/viewinfo.py)
===================================================================
--- Sandbox/ulif/zope.introspector/src/zope/introspector/viewinfo.py	                        (rev 0)
+++ Sandbox/ulif/zope.introspector/src/zope/introspector/viewinfo.py	2008-06-18 13:09:00 UTC (rev 87512)
@@ -0,0 +1,71 @@
+##############################################################################
+#
+# Copyright (c) 2007 Zope Corporation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""
+"""
+
+from zope.interface import Interface, providedBy, alsoProvides
+from zope import component
+from zope.publisher.browser import BrowserRequest
+from zope.publisher.interfaces.browser import (IBrowserSkinType,
+                                               IDefaultBrowserLayer)
+                                               
+import grok
+
+class IViewInfo(Interface):
+
+    def getViews(layer=None):
+        """Get the views for context object.
+
+        Optional layer argument retrieves views registered for this layer.
+
+        Returns iterator (view name, view factory) tuples.
+        """
+
+
+    def getAllViews():
+        """Get all views for context objects, for any layer that is in a skin.
+
+        Returns iterator of (skin name, (skin) layer, view name,
+        view factory) tuples.
+
+        The default layer will be returned with u'' as the skin name.
+        """
+        
+class ViewInfo(grok.Adapter):
+    """Determine views for contexts.
+    """
+    grok.provides(IViewInfo)
+    grok.context(Interface)
+
+    def getViews(self, layer=None):
+        request = BrowserRequest(None, {})
+        if layer is not None:
+            alsoProvides(request, layer)
+        sm = component.getSiteManager()
+        return sm.adapters.lookupAll(
+            map(providedBy, (self.context, request)),
+            Interface)
+        
+    def getAllViews(self):
+        for skin_name, layer in getSkins():
+            for view_name, factory in self.getViews(layer):
+                yield skin_name, layer, view_name, factory
+        for view_name, factory in self.getViews(IDefaultBrowserLayer):
+            yield u'', IDefaultBrowserLayer, view_name, factory 
+            
+def getSkins():
+    """Get all the skins registered in the system.
+    """
+    return component.getUtilitiesFor(IBrowserSkinType)
+