On 11/11/13, 9:23 AM, Héctor Velarde wrote:
is there a way of changing the order of browser layers order besides
doing it on the request?
It's determined by the interface resolution order of the interfaces
provided by the request. (i.e. request.__provides__.__iro__)
The rules are something like this:
1. The later an interface is defined, the higher its precedence in the
interface resolution order.
2. If interface A is a subclass of interface B, interface A has higher
precedence.
3. The machinery in plone.browserlayer and plone.theme makes sure that
browser layers installed as local utilities (the normal way) have
precedence over the "default" Plone browser layers, and that the browser
layer associated with the active skin has highest precedence of all.
The easiest way to control the order among several add-ons is to make
the browser layer interface that should have highest precedence subclass
the others.
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