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


Groups > comp.lang.java.gui > #4908

Re: Forcing cell edits in a JTable?

From Jeff Higgins <jeff@invalid.invalid>
Newsgroups comp.lang.java.gui
Subject Re: Forcing cell edits in a JTable?
Date 2012-01-06 07:22 -0500
Organization A noiseless patient Spider
Message-ID <je6ol7$t6u$1@dont-email.me> (permalink)
References <Xns9FD1EF35A670Djpnasty@94.75.214.39>

Show all headers | View raw


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.
>

Are you building a spreadsheet?
It seems to me that a 'table' makes a fine widget for presenting a view 
of some data, and a lousy data input widget. Just my opinion.

> 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 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?
>

Back to comp.lang.java.gui | Previous | NextPrevious 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