Mega Code Archive
An Editor for the Gender Column
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import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Calendar;
import java.util.EventObject;
import java.util.GregorianCalendar;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.event.CellEditorListener;
import javax.swing.event.ChangeEvent;
import javax.swing.event.EventListenerList;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;
class GenderEditor extends JComboBox implements TableCellEditor {
protected EventListenerList listenerList = new EventListenerList();
protected ChangeEvent changeEvent = new ChangeEvent(this);
public GenderEditor() {
super();
addItem("Male");
addItem("Female");
addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
fireEditingStopped();
}
});
}
public void addCellEditorListener(CellEditorListener listener) {
listenerList.add(CellEditorListener.class, listener);
}
public void removeCellEditorListener(CellEditorListener listener) {
listenerList.remove(CellEditorListener.class, listener);
}
protected void fireEditingStopped() {
CellEditorListener listener;
Object[] listeners = listenerList.getListenerList();
for (int i = 0; i < listeners.length; i++) {
if (listeners[i] == CellEditorListener.class) {
listener = (CellEditorListener) listeners[i + 1];
listener.editingStopped(changeEvent);
}
}
}
protected void fireEditingCanceled() {
CellEditorListener listener;
Object[] listeners = listenerList.getListenerList();
for (int i = 0; i < listeners.length; i++) {
if (listeners[i] == CellEditorListener.class) {
listener = (CellEditorListener) listeners[i + 1];
listener.editingCanceled(changeEvent);
}
}
}
public void cancelCellEditing() {
fireEditingCanceled();
}
public boolean stopCellEditing() {
fireEditingStopped();
return true;
}
public boolean isCellEditable(EventObject event) {
return true;
}
public boolean shouldSelectCell(EventObject event) {
return true;
}
public Object getCellEditorValue() {
return new Boolean(getSelectedIndex() == 0 ? true : false);
}
public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected,
int row, int column) {
boolean isMale = ((Boolean) value).booleanValue();
setSelectedIndex(isMale ? 0 : 1);
return this;
}
}
public class TableCellEditorJComboBox extends JFrame {
protected JTable table;
public static void main(String[] args) {
TableCellEditorJComboBox stt = new TableCellEditorJComboBox();
stt.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
stt.setSize(400, 200);
stt.setVisible(true);
}
public TableCellEditorJComboBox() {
Container pane = getContentPane();
pane.setLayout(new BorderLayout());
TableValues tv = new TableValues();
table = new JTable(tv);
TableColumnModel tcm = table.getColumnModel();
TableColumn tc = tcm.getColumn(TableValues.GENDER);
tc.setCellEditor(new GenderEditor());
JScrollPane jsp = new JScrollPane(table);
pane.add(jsp, BorderLayout.CENTER);
}
}
class TableValues extends AbstractTableModel {
public final static int FIRST_NAME = 0;
public final static int LAST_NAME = 1;
public final static int DATE_OF_BIRTH = 2;
public final static int ACCOUNT_BALANCE = 3;
public final static int GENDER = 4;
public final static boolean GENDER_MALE = true;
public final static boolean GENDER_FEMALE = false;
public Object[][] values = {
{ "C", "A", new GregorianCalendar(1962, Calendar.FEBRUARY, 20).getTime(), new Float(1.67),
new Boolean(GENDER_MALE) },
{ "J", "A", new GregorianCalendar(1987, Calendar.JANUARY, 6).getTime(), new Float(2.78),
new Boolean(GENDER_MALE) },
{ "J", "A", new GregorianCalendar(1989, Calendar.AUGUST, 31).getTime(), new Float(3.89),
new Boolean(GENDER_FEMALE) },
{ "E", "K", new GregorianCalendar(1945, Calendar.JANUARY, 16).getTime(), new Float(-4.70),
new Boolean(GENDER_FEMALE) },
{ "B", "S", new GregorianCalendar(1907, Calendar.AUGUST, 2).getTime(), new Float(5.00),
new Boolean(GENDER_FEMALE) } };
public int getRowCount() {
return values.length;
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
return true;
}
public int getColumnCount() {
return values[0].length;
}
public Object getValueAt(int row, int column) {
return values[row][column];
}
}
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