Re: CellTable - how to avoid unnecessary onRangeChange events?

Hi Rafael,

thank you for offering me your solution.

But in the meantime I found a very simple solution:

The application has to set the new range *before* a call to updateRowCount is made!

The first thing I do right after the data source (chat room) changed is to load the new row count.

But *before* passing this new row count to the data provider (which would trigger an onRangeChange event then), I set the range myself to a valid interval.

Finally, *after* this, I call updateRowCount.

Pseudocode: 

void onSelectChatRoom:()

{

 loadNewRowCount ();

}

void onLoadNewRowCount (int cnt)

{

 Range r = getLastPageRangeForCurrentRoom(cnt);

 tbl.setVisibleRangeAndClearData (r,true); // triggers one onRangeChange event

 pvd.updateRowCount (cnt); // does not trigger a second onRangeChange event anymore!

}

HTH

Magnus

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