🚀 go-pugleaf

Alan Shiers wrote:

> I'm going to have to approach this one step at a time, only becouse
> constructing a JTable appears to be no small feat.

It's less daunting than you might think.  And
I get the feeling that you aren't using all
the resources available to you.  Use the force,
Luke.

> So I thought to start out by creating a small practice example that makes
> all cells in the table of type JLabel.  According to what I've read the
> DefaultTableCellRenderer extends JLabel, so it would appear I won't have to
> make my own.
> 
> I threw together the following program in an attempt to use
> DefaultTableCellRenderer and have all the cells of the table un-editable
> (that being the case with JLabel).  However, it didn't perform as I had
> hoped.  When I ran it, each cell was still editable! Perhaps you can explain
> why that is, and what I need to do to fix it?


Well, a quick look at the JavaDoc for JTable yields

   public boolean isCellEditable(int row, int col);

What about sub-classing and overriding that method
as follows in order to make column 0 non-editable?

   public boolean isCellEditable(int row, int col) {
     return ( col != 0);
   }


I'm curious.  Are you using JBuilder to its full
advantage by drilling down into classes such as
JTable, and then flipping to the "Doc" tab to
read the JavaDoc.  You really have to adopt this
habit of work.

Also, are you using Google?  A quick, simple search
on

   jtable tutorial

netted the Swing tutorial which actually discusses
this kind of stuff.

An even more specific search would be

   jtable tutorial property editor

Lo and behold the third hit

   http://www.javaworld.com/javaworld/javatips/jw-javatip102.html

I'd say that's dead on target.


-- 


Paul Furbacher (TeamB)

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