Methods
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checkPreconditions
contextFor
render
subcontext
substituteContext
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checkPreconditions
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checkPreconditions ()
Invoked before traverse by web requests (calls preTraverse() )
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contextFor
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contextFor ( name )
Return a new traversal context for name
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render
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render ()
Return rendered value of underlying object
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subcontext
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subcontext ( name, ob )
Create a new subcontext named name , for ob
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substituteContext
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substituteContext ( ob )
Clone this context, but using ob as the subject
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