Wednesday, November 21, 2012

Re: How to accurately remove elements from AsyncDataProvider ?

For removing a specific element from the cellTable, I found in the meantime the following solution:

            cellTable.setVisibleRangeAndClearData(cellTable.getVisibleRange(), true);

This method call will generate a range change event, which will reload the data from the cellTable.

On Wednesday, November 21, 2012 3:12:17 PM UTC+1, Marius Grama wrote:
Hi,

i am working with a CellTable backed by an AsyncDataProvider.

Can anybody tell how to solve the following two scenarios:
1. remove all elements from the cellTable
       I currently make asyncDataProvider.setRowCount(0,true);
    but this triggers onRangeChanged(HasData<XXX> display) on the asyncDataProvider causing a new asynchronous call which I'd like to avoid.

2. remove a specific element from the cellTable. Once a row gets selected and the user chooses to delete the entry, with a ListDataProvider I just had to remove the element from the list 
       listDataProvider.getList().remove(elementToBeDeleted);
backing the provider and the cellTable was refreshed.
With an AsyncDataProvider this possibility is not given and I am not sure how to deal with it.

--
You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group.
To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/soCitu7OovAJ.
To post to this group, send email to google-web-toolkit@googlegroups.com.
To unsubscribe from this group, send email to google-web-toolkit+unsubscribe@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.

No comments:

Post a Comment