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adding content to a table if user scrolls down [message #466191]

Wed, 04 January 2006 18:53

Eclipse User

Originally posted by: ingo.siebertNOSPAM.cas.de

Hi!

Question:
I load 100 rows from the DB and add them to the table.
If the vertical ScrollBar of table has a value of
(scrollBar.getMaximum() / 3)
i want to load the next 100 rows and add them to the table.

It got that working.
But i tested it at a very big monitor and the 100 rows has been place
nearly complete at the table, so the value of the scrollbar never
reached (scrollBar.getMaximum() / 3). That's why the next 100 rows never
got loaded.

In Swing, i used the
getValueAt(int rowIndex, int colIndex)
method of my table model. If rowIndex was big enough, i loaded the next
100 rows.
But in SWT, there isn't such a method. The label provider only gets the
data and the column index, but not the row.

Any idea how to solve this problem in SWT?
Thanks,

Ingo

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Re: adding content to a table if user scrolls down [message #466206 is a reply to message #466191]

Wed, 04 January 2006 20:10

Daniel Spiewak

Messages: 263
Registered: July 2009

Senior Member

Use the SWT.VIRTUAL style. It should get you pretty close to what you want.

http://publicobject.com/glazedlists/documentation/swt_virtua l_tables.html

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Re: adding content to a table if user scrolls down [message #466265 is a reply to message #466206]

Thu, 05 January 2006 16:05

Eclipse User

Originally posted by: ingo.siebertNOSPAM.cas.de

It works awesome!
Thank you,

Ingo

Daniel Spiewak schrieb:
> Use the SWT.VIRTUAL style. It should get you pretty close to what you want.
>
> http://publicobject.com/glazedlists/documentation/swt_virtua l_tables.html

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Re: adding content to a table if user scrolls down [message #466269 is a reply to message #466191]

Thu, 05 January 2006 16:17

Veronika Irvine

Messages: 1272
Registered: July 2009

Senior Member

See:
http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.sni ppets/src/org/eclipse/swt/snippets/Snippet201.java?rev=HEAD& amp;content-type=text/vnd.viewcvs-markup

"Ingo Siebert" <ingo.siebertNOSPAM@cas.de> wrote in message
news:dph5m7$q0s$1@utils.eclipse.org...
> Hi!
>
> Question:
> I load 100 rows from the DB and add them to the table.
> If the vertical ScrollBar of table has a value of
> (scrollBar.getMaximum() / 3)
> i want to load the next 100 rows and add them to the table.
>
>
>
> It got that working.
> But i tested it at a very big monitor and the 100 rows has been place
> nearly complete at the table, so the value of the scrollbar never reached
> (scrollBar.getMaximum() / 3). That's why the next 100 rows never got
> loaded.
>
> In Swing, i used the
> getValueAt(int rowIndex, int colIndex)
> method of my table model. If rowIndex was big enough, i loaded the next
> 100 rows.
> But in SWT, there isn't such a method. The label provider only gets the
> data and the column index, but not the row.
>
> Any idea how to solve this problem in SWT?
> Thanks,
>
> Ingo

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