Re: JTable calls setValue

  To: comp.lang.java.gui
Lionel van den Berg schrieb:


It sure has a simple solution but it seems that you didn't provide the
necessary information to find it :)

I've created an SSCCE for you (without the phenomenon you mentioned):

import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;

public class Test {

     static class StringListTableModel extends AbstractTableModel {
         private List<String> data;

         public StringListTableModel( List<String> data ) {
             this.data = data;
         }

         public int getColumnCount() { return 1; }
         public int getRowCount() { return data.size(); }
         public Object getValueAt( int row, int col ) {
             return data.get(row);
         }
         public boolean isCellEditable( int row, int col ) {
             return true;
         }
         public void setValueAt( Object value, int row, int col ) {
             data.set( row, (String)value );
             fireTableCellUpdated( row, col );
         }
         public void deleteRow( int row ) {
             data.remove( row );
             fireTableRowsDeleted( row, row );
         }
     }

     public static void main( String args[] ) throws Exception {
         final StringListTableModel model = new StringListTableModel(
                 new ArrayList<String>(
                 Arrays.asList("First", "Second", "Third")) );
         final JTable table = new JTable(model);

         JButton button = new JButton("Delete");
         button.addActionListener( new ActionListener() {
             public void actionPerformed( ActionEvent e ) {
                 int row = table.getSelectedRow();
                 if ( row != -1 )
                     model.deleteRow( row );
                 else
                     JOptionPane.showMessageDialog( null,
                             "No row selected." );
             }
         });

         JFrame frame = new JFrame("Test");
         frame.setDefaultCloseOperation( JFrame.DISPOSE_ON_CLOSE );
         frame.add( new JScrollPane(table) );
         frame.add( button, java.awt.BorderLayout.SOUTH );
         frame.pack();
         frame.setVisible( true );
     }

}

Bye
Michael

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