On Wed, Jan 28, 2015 at 5:55 PM, Robert Krüger <krue...@lesspain.de> wrote:
> OK, I investigated some more. > > What is weird is that the same table cell instance (I checked the Object > hashcode) is set to different model values while it is still visible, i.e. > I get sequences like this in the log, just when I display the table: > > Updating cell 673139775 from null with Image reference for Row 0 > Adding Row 0 to image load queue > Updating cell 673139775 from Image reference for Row 0 with Image > reference for Row 1 > Adding Row 1 to image load queue > Dequeueing image for Row 0 > Updating cell 673139775 from Image reference for Row 1 with Image > reference for Row 2 > Adding Row 2 to image load queue > Dequeueing image for Row 1 > Updating cell 673139775 from Image reference for Row 2 with Image > reference for Row 3 > Adding Row 3 to image load queue > Dequeueing image for Row 2 > Updating cell 673139775 from Image reference for Row 3 with Image > reference for Row 4 > Adding Row 4 to image load queue > Dequeueing image for Row 3 > Updating cell 673139775 from Image reference for Row 4 with Image > reference for Row 5 > Adding Row 5 to image load queue > Dequeueing image for Row 4 > Updating cell 673139775 from Image reference for Row 5 with Image > reference for Row 6 > Adding Row 6 to image load queue > Dequeueing image for Row 5 > > This means that I cannot rely on the same table cell to be used for > displaying the content while its row is visible (+ a bit of buffered rows > around the visible area) and that means the whole approach will not work. > > It would really be great if someone from Oracle could comment here. None > of this behaviour is documented in the API so it seems that using this is > really relying on implementation details and I have found any other options > to achieve that. The behaviour of the application as it is > this should be "I have _not_ found ..." > now is that randomly some images are never loaded, because they are > quickly removed from the load queue because the cell's content is > overwritten while it is still being displayed. > > >
