JCheckbox in JTablheader

[sara kamer]

Hello Java Freaks,

I want to add checkbox in de header.I have no idea. please help thank you

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.regex.PatternSyntaxException;
import javax.swing.DefaultCellEditor;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.JToggleButton;
import javax.swing.RowFilter;
import javax.swing.UIManager;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;
import javax.swing.table.TableModel;
import javax.swing.table.TableRowSorter;
public class tabelleTest extends JFrame {
private static final long serialVersionUID = 1L;
JPanel panelTabelle;
JTable tabelle;
JScrollPane tabelleScroll;
public tabelleTest() {
super("Tabelle");
Container contentPane = getContentPane();
contentPane.setLayout(new BorderLayout());
panelTabelle = new JPanel();
Object[] columnNames = { "Name", "Nachname", "Kurs","Waehlen"};
Object[][] data = { { "Test", "Test", "1" }, { "Test3", "Test", "2" }, { "Test", "Test", "2", }, { "Test", "Test", "3" },{ "Test", "Test", "33" },{ "Test", "Test", "333" },
{ "Test", "Test", "1" }, };
DefaultTableModel model = new DefaultTableModel(data, columnNames)
{
public Class getColumnClass(int index)
{
if(index==3)
{
return Boolean.class;
}
else
{
return String.class;
}
}};
tabelle = new JTable(model);
final TableRowSorter<TableModel> sorter =
new TableRowSorter<TableModel>(model);
tabelle.setRowSorter(sorter);
JScrollPane pane = new JScrollPane(tabelle);
contentPane.add(pane, BorderLayout.CENTER);
JPanel panel = new JPanel(new BorderLayout());
JLabel label = new JLabel("Filter");
panel.add(label, BorderLayout.WEST);
final JTextField filterText =
new JTextField("SUN");
panel.add(filterText, BorderLayout.CENTER);
contentPane.add(panel, BorderLayout.NORTH);
JButton button = new JButton("Filter");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String text = filterText.getText();
if (text.length() == 0) {
sorter.setRowFilter(null);
} else {
try {
sorter.setRowFilter(
RowFilter.regexFilter(text));
} catch (PatternSyntaxException pse) {
System.err.println("Bad regex pattern");
}
}
}
});
contentPane.add("South",button);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(500, 200);
setResizable(false);
setLocationRelativeTo(null);
setVisible(true);
}
static public void main(String argv[]) throws Exception {
new tabelleTest();
}
class Renderer extends JCheckBox implements TableCellRenderer {
private static final long serialVersionUID = 1L;
public Renderer() {
super();
setHorizontalAlignment(JLabel.CENTER);
}
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
if (isSelected) {
}
setSelected((value != null && ((Boolean) value).booleanValue()));
return this;
}
}}

[Campbell Ritchie]

Welcome to the Ranch

Don’t expect people to read lots of code like that, particularly with the long lines. Have you seen the Java Tutorials section? That should help.

[m Korbel]

- don't do that, JTableHeader isn't proper container for JComponents

- working code example