Mega Code Archive
Cell Renderer for the Gender Column
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import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.util.Calendar;
import java.util.GregorianCalendar;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;
class GenderRenderer extends JComboBox implements TableCellRenderer {
public GenderRenderer() {
super();
addItem("Male");
addItem("Female");
}
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
boolean hasFocus, int row, int column) {
if (isSelected) {
setForeground(table.getSelectionForeground());
super.setBackground(table.getSelectionBackground());
} else {
setForeground(table.getForeground());
setBackground(table.getBackground());
}
boolean isMale = ((Boolean) value).booleanValue();
setSelectedIndex(isMale ? 0 : 1);
return this;
}
}
public class TableCellRendererJComboBox extends JFrame {
protected JTable table;
public static void main(String[] args) {
TableCellRendererJComboBox stt = new TableCellRendererJComboBox();
stt.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
stt.setSize(400, 200);
stt.setVisible(true);
}
public TableCellRendererJComboBox() {
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.setCellRenderer(new GenderRenderer());
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 int getColumnCount() {
return values[0].length;
}
public Object getValueAt(int row, int column) {
return values[row][column];
}
}
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