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From "Prakash Udupa (JIRA)" <...@myfaces.apache.org>
Subject [jira] [Created] (TRINIDAD-2397) Provide API to discover location of document that contains tag definition for a given component
Date Fri, 21 Jun 2013 05:28:19 GMT
Prakash Udupa created TRINIDAD-2397:
---------------------------------------

             Summary: Provide API to discover location of document that contains tag definition
for a given component
                 Key: TRINIDAD-2397
                 URL: https://issues.apache.org/jira/browse/TRINIDAD-2397
             Project: MyFaces Trinidad
          Issue Type: Bug
          Components: Components
    Affects Versions: 2.0.1-core
            Reporter: Prakash Udupa



There are custom tags and components that insert other dynamic contents (i.e subtree of components)
into the component tree. The tags for such dynamically added components come from a document
fragment that is different from where the inserting component / tags come from. For example
in Oracle's ADF component library, there are "region", "pageTemplates" and "declarativeComponent"
that does such dynamic includes.

There is often a need to know the document where the corresponding tag is defined for a given
component. A couple of usecases are:
1. Browser based "page editor" or "Designtime @ Runtime" kind of products where they will
need to change the tags in the document when a component is customized / edited at runtime.
2. Ability to store any runtime customizations for components against the document where its
tag belongs. (For example. when the columns of dynamically added table is reordered)

The inserting tags / components and the inserted components would be used best to determine
the location of the fragment document that they include / or where they came from. We need
to provide some hooks where the authors of such tags / component are able to provide the URL
for the documents given the components.

This enhancement asks for providing an API that provides URL for such documents, and also
to publish the necessary hooks that tag / component authors can implement when then the URL
providing API can use.


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