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https://issues.apache.org/jira/browse/TOMAHAWK-1105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12525824
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Martin Marinschek commented on TOMAHAWK-1105:
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Hi Daniel,
this is not really a bug - the UIComponentPerspective is really only a
"workaround" in JSF 1.1. E.g., with the RI, you'll never have this working. In
JSF 1.2, you can use invokeOnComponent instead of findComponent, and everything
will work just nicely.
regards,
Martin
> t:columns and findComponent
> ---------------------------
>
> Key: TOMAHAWK-1105
> URL: https://issues.apache.org/jira/browse/TOMAHAWK-1105
> Project: MyFaces Tomahawk
> Issue Type: Bug
> Affects Versions: 1.1.6
> Reporter: Daniel Herb
>
> Hi,
> i've written a phaseListener to replace the validation-errors with
> custom-errors. To do this I've used "viewRoot.findComponent" to get the right
> component for a clientId. It all worked fine till I've used it on a page with
> the t:columns-tag. After some debugging I found out the following:
> Assume that the id which we are searching looks like this:
> mainBody:mainForm:mainTable:0:columns:0_0:componentId
> The findComponent-method is called recursive:
> mainBody:mainForm:mainTable:0:columns:0_0:componentId
> - Search for Id "mainBody" => found
> mainForm:mainTable:0:columns:0_0:componentId
> - Search for Id "mainForm" => found
> mainTable:0:columns:0_0:componentId
> - Search for Id "mainTable" => found
> - The following "0" is the rowindex of the component so the
> findComponent-Method was overwritten by the HtmlDataTable to remove this also
> from the id and use it as index.
> - Returned is an object from the type "UIComponentPerspective" which points
> at the correct row and delegate all methods to the child-component
> columns:0_0:componentId
> - Search for Id "columns" => found
> - The following "0_0" is the row and column information which should be
> replaced by an overwritten version of findComponent from HtmlColumns but
> there is' no overwritten method.
> 0_0:componentId
> - Search for Id "0_0" => not found!
> - Because the columns-tag didn't removed the row and column information the
> next recursive call is to find an id "0_0" which can't exists.
> I think the findComponent-Method of HtmlColumns should work like that one
> from dataTable and return an UIComponentPerspective-object
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