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sagar
problem with JTable
1 Answer(s)      5 years and 6 months ago
Posted in : Swing AWT



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March 31, 2009 at 4:10 PM


hi friend,

This code will help you

import java.text.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;
import javax.swing.table.TableCellRenderer;
import javax.swing.DefaultCellEditor;

public class TableFeature extends JFrame {
private JTable table;
private Vector rowData, columnHeaders;
private boolean bool;
private JPanel panel;
private JCheckBox check;
private Vector data;
private MyDefaultTableModel model;

public TableFeature() {
super("Table");
bool = true;
data = new Vector();
data.add("A");
data.add(new Boolean(false));
rowData = new Vector();
columnHeaders = new Vector();
columnHeaders.add("Name");
columnHeaders.add("Selection");

rowData.add(data);
model = new MyDefaultTableModel(rowData, columnHeaders);
table = new JTable(model);
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
JScrollPane listScrollPane = new JScrollPane(table);
setUpDateColumn(table.getColumnModel().getColumn(0));
setUpExerciseColumn(table.getColumnModel().getColumn(1));

check = new JCheckBox();
check.addActionListener(new AddListener());
JPanel panel = new JPanel();
panel.add(check);

Container contentPane = getContentPane();
contentPane.setLayout(new BorderLayout());
listScrollPane.setPreferredSize(new Dimension(300, 200));
contentPane.add(listScrollPane, BorderLayout.CENTER);
contentPane.add(panel, BorderLayout.SOUTH);
}
public void setUpDateColumn(TableColumn col) {
col.setPreferredWidth(100);
}
public void setUpExerciseColumn(TableColumn col) {
col.setCellRenderer(new checkboxCellRender());
}
class MyDefaultTableModel extends DefaultTableModel {
public MyDefaultTableModel(Vector r, Vector c) {
super(r, c);
}
public boolean isCellEditable(int row, int col) {
if (col ==2)
return false;
else
return true;
}
}
class checkboxCellRender extends JCheckBox
implements TableCellRenderer{
public Component getTableCellRendererComponent( JTable t,
Object value, boolean isSelected, boolean hasFocus,
int row, int col)
{
JCheckBox cb = new JCheckBox();
boolean sel=check.isSelected();
if(sel){
cb.setSelected(Boolean.TRUE);
}
else{
cb.setSelected(Boolean.FALSE);
}
return cb;
}
}
class AddListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
Vector data = new Vector(2);
data.add(0, "A");
data.add(1, new Boolean(true));

model.removeRow(0);
model.insertRow(0,data);
}
}
public static void main(String s[]) {
JFrame frame = new TableFeature();

frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0); }
});
frame.pack();
frame.setVisible(true);
}
}

Thanks


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