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From "David Green (JIRA)" <...@myfaces.apache.org>
Subject [jira] Updated: (TOMAHAWK-793) inputSuggestAjax doesn't work due to phase listener issue.
Date Tue, 21 Nov 2006 22:10:02 GMT
     [ http://issues.apache.org/jira/browse/TOMAHAWK-793?page=all ]

David Green updated TOMAHAWK-793:
---------------------------------

    Status: Patch Available  (was: Open)

> inputSuggestAjax doesn't work due to phase listener issue.
> ----------------------------------------------------------
>
>                 Key: TOMAHAWK-793
>                 URL: http://issues.apache.org/jira/browse/TOMAHAWK-793
>             Project: MyFaces Tomahawk
>          Issue Type: Bug
>          Components: AJAX Form Components
>    Affects Versions: 1.1.4-SNAPSHOT, 1.1.5-SNAPSHOT
>            Reporter: David Green
>         Attachments: patch.txt
>
>
> inputSuggestAjax doesn't work since the phase listener never gets called.  The APPLY_REQUEST_VALUES
phase is not entered in some circumstances, specifically if the RENDER_RESPONSE view completes
early as it does when the view root is null in the following LifecycleImpl code snippet:
>  //boolean viewCreated = false;
>             UIViewRoot viewRoot = viewHandler.restoreView(facesContext, viewId);
>             if (viewRoot == null)
>             {
>                 viewRoot = viewHandler.createView(facesContext, viewId);
>                 viewRoot.setViewId(viewId);
>                 facesContext.renderResponse();
>                 //viewCreated = true;
>             }
> If the null view root case is entered, the lifecycle is short-circuited and the APPLY_REQUEST_VALUES
phase is never entered, causing the ajax control to have no suggested values.
> I was able to get the application to work as expected by subclassing the default AjaxDecodePhaseListener
as follows:
> /**
>  * Override the default ajax support, since it doesn't seem to work in the 
>  * APPLY_REQUEST_VALUES phase, since that phase never gets entered.  Process immediately
>  * after the RESTORE_VIEW phase instead.
>  */
> public class AjaxDecodePhaseListener
>         extends  org.apache.myfaces.custom.ajax.api.AjaxDecodePhaseListener
> {
> 	private static final long serialVersionUID = 1660766611978163100L;
>     public PhaseId getPhaseId()
>     {
>         return PhaseId.RESTORE_VIEW;
>     }
> 	public void afterPhase(PhaseEvent event) {
> 		super.beforePhase(event);
> 	}
> 	public void beforePhase(PhaseEvent event) {
> 	}
> }

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