Digging a little deeper the ListButton is asking its list data, a custom Dictionary, which index the "null" item belongs to. As the list data doesn't have a null item, my Dictionary replies -1.
On Mon, 14 Sep 2009 01:58:32 pm Scott Lanham wrote: > Okay, made sure SVN is up to date and no blonde moment occuring ( much ). > > What I get now is: > > java.lang.IllegalArgumentException: "null" is not a valid selection. > at org.apache.pivot.wtk.ListButton.setSelectedItem(Unknown Source) > at org.apache.pivot.wtk.ListButton.load(Unknown Source) > at org.apache.pivot.wtk.Container.load(Unknown Source) > at org.apache.pivot.wtk.content.TableViewRowEditor.edit(Unknown > Source) > > On Mon, 14 Sep 2009 11:51:59 am Todd Volkert wrote: > > One problem stems from the fact that ListButton.setSelectedItem(null) was > > explicitly throwing IllegalArgumentException, when it probably should > > have been translating to setSelectedIndex(-1). I just checked in a fix > > for this, so that might fix you up. > > > > So you're creating blank rows, and immediately opening an editor on the > > row for the user to populate it with initial values? > > > > Let me know if that check-in fixes the issue. > > > > -T > > > > On Sun, Sep 13, 2009 at 9:22 PM, Scott Lanham <li...@sael.com.au> wrote: > > > Howdy Hi, > > > > > > I have a TableView which displays data from a database table. That data > > > is bound to the TableView using a custom Dictionary. It all works fine > > > until it is > > > time to add a new record using the TableView and in place editing it > > > using TableViewRowEditor. Several of the fields in a TableView row have > > > ListButtons > > > assocated with them to restrict the field values. When the field value > > > is initially Null, as with a new record, the ListButtons don't like it > > > because Null can't be found in the lists data. > > > > > > Is there any way I can get ListButton to not throw an exception in this > > > case? > > > > > > Thanks, > > > > > > Scott.