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Call sequence of the Listeners [message #531557]

Wed, 05 May 2010 08:19

Eclipse User

Hi all,

I have a question about the call sequence of a composite listeners in RAP.

I have a Text composite with a TraverseListener and a FocusOutListener to validate the field data. A TAB-key event calls normally the TraverseListener and the FocusOutListener. But sometimes the call sequence is reversed (i.e. FocusOutListener called before TraverseListener) which causes an incorrect result.

Can someone telle me what is the call orders of those listeners in RAP? My RAP version is 1.3M2.

Thanks for your reponse.

Lifei ZHANG

Re: Call sequence of the Listeners [message #531818 is a reply to message #531557]

Thu, 06 May 2010 05:24

Eclipse User

Hi Lifei,

what are you using the TraverseListener for? Maybe you can find a more
suitable approach that circumvents this problem. TraverseListeners have
been implemented to support JFace CellEditors, they might not work
perfectly in all regards.

However, feel free to open a bug for this problem.

Best regards, Ralf

zhang wrote:
> Hi all,
>
> I have a question about the call sequence of a composite listeners in RAP.
> I have a Text composite with a TraverseListener and a FocusOutListener
> to validate the field data. A TAB-key event calls normally the
> TraverseListener and the FocusOutListener. But sometimes the call
> sequence is reversed (i.e. FocusOutListener called before
> TraverseListener) which causes an incorrect result.
> Can someone telle me what is the call orders of those listeners in RAP?
> My RAP version is 1.3M2.
>
> Thanks for your reponse.
>
> Lifei ZHANG

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