Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.java.gui > #4912

Re: Forcing cell edits in a JTable?

Show all headers | View raw

On 01/06/2012 09:16 AM, Novice wrote:
> Jeff Higgins<jeff@invalid.invalid>  wrote in
> news:je6mi4$j66$1@dont-email.me:
>
>> On 01/05/2012 11:30 PM, Novice wrote:
>>> I'm looking for some advice on the best way to handle a situation in
>>> a program.
>>>
>>> I am displaying a JTable and giving the user the option to add new
>>> rows to the table. When the user chooses to insert a row, I create a
>>> new empty row in the table at the desired place via a custom-written
>>> insertRow() method in the table model. Then I execute
>>> fireTableRowsInserted() and the empty row appears. All that works
>>> fine.
>>>
>>> But I don't want to leave the new row empty, I want to force the user
>>> to populate each cell in the new row. Almost anything goes for these
>>> cells but each value will have to pass at least one check in that
>>> column's cell renderer, namely that it is not blank.
>>>
>>> What's the best way to ensure that the new row gets populated before
>>> the user moves on to edit, delete, or insert another row?
>>
>> I'm really not trying to be obnoxious here, but can you just pop up a
>> dialog that states, "If you'll fill out these values correctly, I will
>> add them to the Table for you".
>
> I could do that. In fact, that's how I was doing it in the old version of
> the program and it worked fine. I even had similar dialogs for both
> updating a row and deleting it. But someone suggested that I avoid using
> extra dialogs to do this kind of thing and just do all of it right in the
> table so I'm trying to do that now. I have update and delete working fine
> but am struggling a bit with insert.
>
> I may ultimately go back to using an insert dialog - although I think I'll
> leave update and delete so that both are done directly from the table - but
> I'd like to see if I can get the insert to work within the table. But I'm
> having trouble forcing the new cells to be edited in turn.
>
I'm not sure it might help, but S. Kumar shows in his blog one way of 
instrumenting the class hierarchy to provide clues concerning the 
widget's workflow.
<http://jroller.com/santhosh/entry/keyboard_handling_in_tablecelleditor>

Back to comp.lang.java.gui | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Forcing cell edits in a JTable? Novice <novice@example..com> - 2012-01-06 04:30 +0000
  Re: Forcing cell edits in a JTable? Jeff Higgins <jeff@invalid.invalid> - 2012-01-06 06:46 -0500
    Re: Forcing cell edits in a JTable? Jeff Higgins <jeff@invalid.invalid> - 2012-01-06 07:01 -0500
      Re: Forcing cell edits in a JTable? Novice <novice@example..com> - 2012-01-06 14:17 +0000
    Re: Forcing cell edits in a JTable? Novice <novice@example..com> - 2012-01-06 14:16 +0000
      Re: Forcing cell edits in a JTable? Jeff Higgins <jeff@invalid.invalid> - 2012-01-06 11:48 -0500
        Re: Forcing cell edits in a JTable? Jeff Higgins <jeff@invalid.invalid> - 2012-01-06 15:13 -0500
  Re: Forcing cell edits in a JTable? Jeff Higgins <jeff@invalid.invalid> - 2012-01-06 07:22 -0500
    Re: Forcing cell edits in a JTable? Novice <novice@example..com> - 2012-01-06 14:19 +0000

csiph-web