ChangeManager: Ability to apply component changes to a subtree
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Key: TRINIDAD-1488
URL: https://issues.apache.org/jira/browse/TRINIDAD-1488
Project: MyFaces Trinidad
Issue Type: New Feature
Components: Archetype
Affects Versions: 1.2.11-core
Reporter: Andy Schwartz
Priority: Minor
The ChangeManager currently only supports applying component changes to the
entire view. This is accomplished via the following API:
public void applyComponentChangesForCurrentView(FacesContext facesContext)
I would like to have the ability to apply component changes to a specific
subtree as opposed to the entire view. This would require a new API along the
lines of:
public void applyComponentChangesForSubtree(FacesContext facesContext,
NamingContainer root)
Note that this method would operate on a subtree rooted at a NamingContainer in
order to allow ChangeManager to easily filter the component changes based on id
comparisons. (SessionChangeManager already has access to scoped ids for each
component change, so checking whether a particular change is applicable by
examining the id should be very efficient.)
The reason for requesting this new API is that I have cases where portions of
the subtree are created dynamically at render time, after
applyComponentChangesForCurrentView() has been called. I need to be able to
apply component changes directly to the newly created subtrees without
re-applying the changes to the entire view.
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