Hi Tim, Facet is an old mechanism of tying a view to a menu. It was added before Zope had layers.
On August 9, 2010, Tim Penhey wrote: > Hi Devs, > > This is something that has bothered me for a while, but been below my > general irritation threshold. Given my newly implemented mojo approach of > stopping when I see bad things, this has floated to the top. > > I'm looking at some browser configuration ZCML. > > We have "facet" attributes, general <facet facet="branches"> tags, and > "layer" attributes for browser pages. > > Which should we be using? Layer. > What is the impact of specifying a facet? It sets the __launchpad_facetname__ attribute on the view which is used by the FacetMenu code. > What is the impact of specifying a layer? > It registers the view to be available only on request of a particular vhost. Facet should be removed in favor of layers. https://bugs.edge.launchpad.net/launchpad-foundations/+bug/226917 explains briefly what needs to happen there. Removing facet would allow us to get rid of most of our override of zope standard ZCML directives. -- Francis J. Lacoste [email protected]
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