Apply a renderer on a cell of a JTable

**Ben03** · May 8th, 2014, 08:51 PM

Hi all

I want to apply a renderer on a cell of my JTable, to do so I created a class named myRenderer :

import java.awt.Component;
 
import javax.swing.ImageIcon;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
 
public class MyRenderer extends DefaultTableCellRenderer {
 
  public Component getTableCellRendererComponent(JTable table, ImageIcon icon) {
 
    setIcon(icon);
    return this;
  }
}

And I use this piece of code to apply the renderer on the cell :

MyRenderer renderer = new MyRenderer();
 
renderer.getTableCellRendererComponent(table, icon);
 
table.getColumnModel().getColumn(6).setCellRenderer(renderer);

The problem is that the rebderer is applied on all the cells in the column 6, and I want it to be applied on one cell only (row/column) but I don't know how to do so ?

Thanks in advance

**GregBrannon** · May 9th, 2014, 04:26 AM

Welcome to the Forum! Thanks for taking the time to learn to post code correctly, and if you haven't already, please read this topic to see other useful info for newcomers.

**Ben03** · May 9th, 2014, 05:33 AM

Hi, I'm glad to join this forum

I'll have a look at the link you posted

And for my request, I solved it already

**GregBrannon** · May 9th, 2014, 06:18 AM

Glad you solved it!

You can mark the thread "Solved" using the "Thread Tools" pulldown at the top of the thread. Marking it solved prevents others from spending more time on it and also indicates that the thread may contain a solution to the problem. Since your thread does not currently provide the solution, you may add the solution you discovered to help someone else.

**Ben03** · May 9th, 2014, 06:36 AM

I solved the problem without the use of a renderer.
I just created a model for the JTable like this :

DefaultTableModel model = new DefaultTableModel(new Object[][] {},new String[] {"Col1", "Col2", "Col3", "Col4", "Col5", "Col6", "Col7"}) {
		    @Override
		    public Class<?> getColumnClass(int column) {
		        switch (column) {
		            case 0: return ImageIcon.class;
		            default: return String.class;
		        }
		    }
		};
 
 
		table = new JTable(model);

So I just have to use the addRow(...) method with my model to add a row containing Strings and a ImageIcon as described in the model.

Hopefully this will help somebody.

**GregBrannon** · May 9th, 2014, 07:15 AM

Excellent! Thank you for sharing the result.

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