[jira] [Commented] (TRINIDAD-2397) Provide API to discover location of document that contains tag definition for a given component

["Prakash Udupa (JIRA)" <de...@myfaces.apache.org>]

    [ https://issues.apache.org/jira/browse/TRINIDAD-2397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14079856#comment-14079856 ] 

Prakash Udupa commented on TRINIDAD-2397:
-----------------------------------------

Cross linking a bug in this implementation, tracked through TRINIDAD-2499.

> 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
>             Fix For: 2.1.0-core
>
>         Attachments: TRINIDAD-2397_improvement_over_trunk_using_pageresolver.patch, TRINIDAD-2397_patch_over_trunk.patch
>
>
> 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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