Re: Forcing cell edits in a JTable?

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From	Jeff Higgins <jeff@invalid.invalid>
Newsgroups	comp.lang.java.gui
Subject	Re: Forcing cell edits in a JTable?
Date	Fri, 06 Jan 2012 07:01:17 -0500
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On 01/06/2012 06:46 AM, Jeff Higgins wrote:
> 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.

Ouch!

>>
>> 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'm trying to use editCellAt() to force the edit. That method invokes the
>> editor for the desired cell but lets me hit escape even though the data
>> doesn't yet meet my requirements. I am very surprised that it doesn't
>> stay
>> in edit mode for that cell until the edits are passed and can't think of
>> why that is.
>>
>> If I edit an existing row, the cell editor will not let me leave the cell
>> until there is a satisfactory value (or I can hit escape and restore the
>> value to what it was before editing). But a new row doesn't seem to be
>> subject to the same rules. Why?
>>
>

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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

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