This is a well known issue with Abstract Pager/SimplePager. I don't like this behavior (and the look of the default SimplePager), so I ended up writing my own pager along the following lines:
http://www.mail-archive.com/google-web-toolkit@googlegroups.com/msg62763.html Basically, I had to overwrite lastPage(), firstPage(), nextPage() and previousPage() with the behavior that I wanted. On Jul 30, 3:29 am, BST <babusri...@gmail.com> wrote: > I am trying out Remote Paging with a Cell Table & Implementation of Abstract > Pager . For now I am limiting the CellTable to 30 rows for data. My Pager > takes care of fetching the next batch of 30 rows from RemoteService, when > the next or previous button is clicked. > > I get 30 rows of data from the service, which I put into a list and set it > to the ListDataProvider. The List can have only 30 rows of data at a time. I > am doing all the calculations for calculating which page I am in, and when > do I have to fetch the data. > > Everything is working perfectly except for one scenario, I am on the last > page which has only 20 rows, as the data is exhausted on the Server. > > When I go previous, I set the table Visible range to(20,10), 10 being the > pageSize, then I get the previous batch of data so that when the > listDataProvider gets the new List the table shows the last page. But I find > that it always goes to the first page which is visible range (0,10).. > > The reason is that when I set the Visible Range to 20,10 since present table > count is only 20, the visible range is not set properly.. > > If i set the Visible Range after I get the data from the server, the problem > is pretty much the same, since the server call for data is asynchronous and > data comes much after I set the visible range. > > Only option is to use a timer but I don't think that would be wise. Any > ideas is much appreciated? I guess it is just about a better logic to handle > to handle the paging. Mine seems to be lacking.. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.