JTables and dynamically adding data

[michael.miceli88]

Hey,
I have a JTable that I want to add a new column to every time someone
clicks a button. I have been reading about extending the
AbstractTableModel, but I don't how this allows you to add a new
column. The examples online show what happens when a user edits a
table, but I don't want that. I want it add when the user presses a
button outside of the table. Some advice would be appreciated.

Thanks

 

[michael.miceli88]

Have you tried incrementing the value returned by your getColumnCount(),
making sure getValueAt() now returns the appropriate values then calling
fireTableStructureChanged()?

No, but I will give this a try, and hopefully get back to you by the
end of the day.
Thanks

 

[michael.miceli88]

No, but I will give this a try, and hopefully get back to you by the
end of the day.
Thanks

Yes this worked thank you!

 

[Roedy Green]

The examples online show what happens when a user edits a
table, but I don't want that. I want it add when the user presses a
button outside of the table. Some advice would be appreciated.

You would have to both modify your TableModel to add the data, and
tell the GUI JTable part you have a new column. You would add it just
the way you would add a column to start.

See http://mindprod.com/jgloss/jtable.html

 

[Chase Preuninger]

every time you want to change it just create a new model and use the
setModel function in the JTable class to update the UI