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From "Martin Marinschek" <martin.marinsc...@gmail.com>
Subject Re: Custom DataScroller (t:dataScroller)
Date Wed, 06 Feb 2008 19:50:11 GMT
Hi Tathagat,

I am very sorry, but I do not understand where you are heading. Why should
the second scroller have all data then? I really don't get your explanation.

regards,

Martin

On Feb 1, 2008 4:18 PM, Tathagat <mail@tathagat.com> wrote:

> Hi All.
> Current data scroller gives a paginator in the following format:
> 1-100, 101-200, 201-300.. and so on.
>
> What I would like is value of a column (along which the table is sorted),
> for example:
> AAA-CAT, CAU-FAX, FBC-MPC... and so on.
> The advantage is that user sees immediately where the value lies in the
> paginator (and does not have to guess).
>
> I implemented my own solution for it.
> Extended t:dataScroller classes with my own (regsitering faces-config, new
> taglib, entry in web.xml).
> I had to override the following method in
> org.apache.myfaces.custom.datascroller.HtmlDataScrollerRenderer
> protected HtmlCommandLink getLink(FacesContext facesContext,
> HtmlDataScroller scroller,
>             String text, int pageIndex)
>
> Now the problem here was to get the data of the table mentioned in "for"
> property of datascroller.
> By default dataScroller has only "rows" (property of t:dataTable) amount
> of data (which is currently visible to user).
> --scroller.getUIData()
>
> So I used the following hack.
> Define the same scroller and table with different IDs with rows=total
> number of rows and style=display:none;
> Causing it not to show on the page but having the second sroller all the
> data in it.
>
> Thus I could build a paginator as mentioned above.
>
> My questions is:
> Is there a better way to get all the data in the table? All methods which
> provide data are protected.
>
> Thanks for your time.
> Tathagat
>



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