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public class JTableHeaderCheckBox {
Object colNames[] = {"Journée", "Am", "Pm"};
Object[][] data = {{"L", false, false},
{"M", false, false},
{"M", false, false},
{"J", false, false},
{"V", false, false},
{"S", false, false},
{"D", false, false}};
DefaultTableModel dtm;
JTable table;
public void buildGUI() {
dtm = new DefaultTableModel(data, colNames);
table = new JTable(dtm);
JScrollPane sp = new JScrollPane(table);
TableColumn tc = table.getColumnModel().getColumn(1);
tc.setCellEditor(table.getDefaultEditor(Boolean.class));
tc.setCellRenderer(table.getDefaultRenderer(Boolean.class));
tc.setHeaderRenderer(new CheckBoxHeader(new MyItemListener()));
TableColumn tc2 = table.getColumnModel().getColumn(2);
tc2.setCellEditor(table.getDefaultEditor(Boolean.class));
tc2.setCellRenderer(table.getDefaultRenderer(Boolean.class));
tc2.setHeaderRenderer(new CheckBoxHeader(new MyItemListener()));
JFrame f = new JFrame();
f.getContentPane().add(sp);
f.pack();
f.setLocationRelativeTo(null);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);
}
class MyItemListener implements ItemListener {
public void itemStateChanged(ItemEvent e) {
Object source = e.getSource();
if (source instanceof AbstractButton == false) {
return;
}
int column = ((CheckBoxHeader) source).getColumn();
boolean checked = e.getStateChange() == ItemEvent.SELECTED;
for (int x = 0, y = table.getRowCount(); x < y; x++) {
table.setValueAt(new Boolean(checked), x, column);
}
}
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new JTableHeaderCheckBox().buildGUI();
}
});
}
}
class CheckBoxHeader extends JCheckBox implements TableCellRenderer, MouseListener {
protected CheckBoxHeader rendererComponent;
protected int column;
protected boolean mousePressed = false;
public CheckBoxHeader(ItemListener itemListener) {
rendererComponent = this;
rendererComponent.addItemListener(itemListener);
}
public Component getTableCellRendererComponent(
JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
if (table != null) {
JTableHeader header = table.getTableHeader();
if (header != null) {
rendererComponent.setForeground(header.getForeground());
rendererComponent.setBackground(header.getBackground());
rendererComponent.setFont(header.getFont());
header.addMouseListener(rendererComponent);
}
}
setColumn(column);
// rendererComponent.setText("Check All");
setBorder(UIManager.getBorder("TableHeader.cellBorder"));
return rendererComponent;
}
...
...
} |
