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| import java.awt.*;
import java.awt.event.*;
import java.text.NumberFormat;
import java.util.EventObject;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;
public class EditorTest {
private JScrollPane getTableComponent()
{
String[] colNames = {
"Stock", "Price", "Shares", "Quantity", "Action", "Action", "Holder"
};
final Object[][] data = {
{ "MSFT", Double.valueOf(12.21), Integer.valueOf(10),
Integer.valueOf(0), "Buy", "Sell", "Bill" },
{ "IBM", Double.valueOf(13.21), Integer.valueOf(12),
Integer.valueOf(0), "Buy", "Sell", "Tim" },
{ "ORACLE", Double.valueOf(21.22), Integer.valueOf(11),
Integer.valueOf(0), "Buy", "Sell", "Tom" }
};
DefaultTableModel model = new DefaultTableModel(data, colNames) {
public Class getColumnClass(int col) {
return data[0][col].getClass();
}
};
JTable table = new JTable(model);
TableColumnModel colModel = table.getColumnModel();
colModel.getColumn(1).setCellRenderer(new DoubleRenderer());
colModel.getColumn(3).setCellRenderer(new SpinnerRenderer());
colModel.getColumn(4).setCellRenderer(new ButtonRenderer());
colModel.getColumn(5).setCellRenderer(new ButtonRenderer());
colModel.getColumn(3).setCellEditor(new SpinnerEditor());
colModel.getColumn(4).setCellEditor(new ButtonEditor(table));
colModel.getColumn(5).setCellEditor(new ButtonEditor(table));
table.setCellSelectionEnabled(true);
Dimension d = table.getPreferredSize();
table.setPreferredScrollableViewportSize(d);
return new JScrollPane(table);
}
public static void main(String[] args) {
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new EditorTest().getTableComponent());
f.pack();
f.setLocation(100,100);
f.setVisible(true);
}
}
class SpinnerEditor extends AbstractCellEditor implements TableCellEditor {
JTable table;
SpinnerNumberModel model = new SpinnerNumberModel(0, 0, null, 1);
JSpinner spinner = new JSpinner(model);
int clickCountToStart = 1;
public Component getTableCellEditorComponent(JTable table,
Object value,
boolean isSelected,
int row, int column) {
spinner.setValue(((Integer)value).intValue());
return spinner;
}
public Object getCellEditorValue() {
return (Integer)spinner.getValue();
}
public boolean isCellEditable(EventObject anEvent) {
if(anEvent instanceof MouseEvent) {
return ((MouseEvent)anEvent).getClickCount() >= clickCountToStart;
}
return true;
}
public boolean shouldSelectCell(EventObject anEvent) {
return true;
}
public boolean stopCellEditing() {
return super.stopCellEditing();
}
public void cancelCellEditing() {
super.cancelCellEditing();
}
}
class ButtonEditor extends AbstractCellEditor implements TableCellEditor,
ActionListener {
JTable table;
JButton button = new JButton();
NumberFormat nf = NumberFormat.getCurrencyInstance();
int clickCountToStart = 1;
public ButtonEditor(JTable table) {
this.table = table;
button.addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
StringBuilder sb = new StringBuilder();
int row = table.getEditingRow();
int col = table.getEditingColumn();
//System.out.printf("row = %d col = %d%n", row, col);
sb.append((String)table.getValueAt(row, 6));
sb.append(" has ");
sb.append(((col == 4) ? "bought " : "sold "));
sb.append(((Integer)table.getValueAt(row, 3)).toString());
sb.append(" shares of " + (String)table.getValueAt(row, 0));
sb.append(" at " +
nf.format(((Double)table.getValueAt(row, 1)).doubleValue()));
stopCellEditing();
System.out.println(sb.toString());
}
public Component getTableCellEditorComponent(JTable table,
Object value,
boolean isSelected,
int row, int column) {
button.setText(value.toString());
return button;
}
public Object getCellEditorValue() {
return button.getText();
}
public boolean isCellEditable(EventObject anEvent) {
if(anEvent instanceof MouseEvent) {
return ((MouseEvent)anEvent).getClickCount() >= clickCountToStart;
}
return true;
}
public boolean shouldSelectCell(EventObject anEvent) {
return true;
}
public boolean stopCellEditing() {
return super.stopCellEditing();
}
public void cancelCellEditing() {
super.cancelCellEditing();
}
}
class SpinnerRenderer implements TableCellRenderer {
SpinnerNumberModel model = new SpinnerNumberModel(0, 0, null, 1);
JSpinner spinner = new JSpinner(model);
public Component getTableCellRendererComponent(JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row, int column) {
spinner.setValue(((Integer)value).intValue());
return spinner;
}
}
class ButtonRenderer implements TableCellRenderer {
JButton button = new JButton();
public Component getTableCellRendererComponent(JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row, int column) {
button.setText(value.toString());
return button;
}
}
class DoubleRenderer extends DefaultTableCellRenderer {
NumberFormat nf = NumberFormat.getCurrencyInstance();
public DoubleRenderer() {
setHorizontalAlignment(RIGHT);
}
public Component getTableCellRendererComponent(JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row, int column) {
super.getTableCellRendererComponent(table, value, isSelected,
hasFocus, row, column);
setText(nf.format(((Double)value).doubleValue()));
return this;
}
} |
