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

Groups > comp.lang.java.gui > #4899

Re: Existing Cell Renderers/Editors for long text passages?

Show all headers | View raw

Jeff Higgins <jeff@invalid.invalid> wrote in
news:je2oc2$4a1$1@dont-email.me: 

> On 01/04/2012 04:20 PM, Novice wrote:
>> Jeff Higgins<jeff@invalid.invalid>  wrote in
>> news:je2elp$2n9$1@dont-email.me:
>>
>>> On 01/04/2012 03:04 PM, Novice wrote:
>>>> Rather than re-invent the wheel, I was wondering if anyone is aware
>>>> of source code for any existing JTable cell editors and renderers
>>>> for displaying cells that have substantial amounts of text in them?
>>>>
>>>> I have a JTable that has three columns of text, two of which are
>>>> occasionally very wide. (They are several hundred characters as
>>>> opposed to several thousand or several million characters.) I think
>>>> I'd like to see those long values displayed in a JScrollPane,
>>>> word-wrapped over several lines so that you can see the whole thing
>>>> at once and I'd like to edit them the same way.
>>>>
>>>> I can probably figure out how to do this myself but this seems like
>>>> a problem others will have already solved so I thought I'd see if
>>>> anyone could point me to existing (free) code for this purpose.
>>>>
>>> Have you considered popping up a JTextArea for editing and
>>> displaying "It was a dark and ..." in display mode?
>>>
>>
>> I wouldn't rule out that approach but it's not my first choice. I
>> think it would be more elegant to edit it within the table than to
>> have to display it in a different frame/dialog.
> 
> A UI element as you describe might be more elegant but the code 
> implementing it on top of a JTable would likely be very inelegant.
> It seems that quite a few have attempted it with varying degrees of
> success. The main stumbling block is that the JTable grid that you see
> onscreen is not a grid of Components, rather an image put together by
> the JTable using it's TableCellRender(s).
> 
> Also, I probably understated the frequency
>> of the problem somewhat. Now that I think about it, quite a lot of
>> the values in two of the columns are likely to be wide enough to need
>> to be wrapped in other to see them for editing.
>>
> 

As it turns out, the code was not as tricky as I'd thought. It still needs 
some fine-tuning which may get ugly but so far, so good....

Thanks, Jeff!
-- 
Novice

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

Thread

Existing Cell Renderers/Editors for long text passages? Novice <novice@example..com> - 2012-01-04 20:04 +0000
  Re: Existing Cell Renderers/Editors for long text passages? Jeff Higgins <jeff@invalid.invalid> - 2012-01-04 16:06 -0500
    Re: Existing Cell Renderers/Editors for long text passages? Novice <novice@example..com> - 2012-01-04 21:20 +0000
      Re: Existing Cell Renderers/Editors for long text passages? Jeff Higgins <jeff@invalid.invalid> - 2012-01-04 18:52 -0500
        Re: Existing Cell Renderers/Editors for long text passages? Novice <novice@example..com> - 2012-01-05 23:06 +0000
  Re: Existing Cell Renderers/Editors for long text passages? Roedy Green <see_website@mindprod.com.invalid> - 2012-01-05 04:47 -0800
    Re: Existing Cell Renderers/Editors for long text passages? Novice <novice@example..com> - 2012-01-05 23:08 +0000

csiph-web