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package test;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
public class TestCellRenderer {
/** Program entry point.
* @param args Arguments from the command line.
*/
public static void main(String ...args) {
SwingUtilities.invokeLater(new Runnable() {
/** {@inheritDoc}
*/
public void run() {
JList list = new JList(new Object[] {0, 1, 2, 3, 4, 5, 6, 7, 8});
list.setCellRenderer(new TestListCellRenderer());
list.addMouseListener(new TestMouseAdapter());
JFrame frame = new JFrame("Test");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new JScrollPane(list));
frame.pack();
frame.setVisible(true);
}
});
}
private static class TestMouseAdapter extends MouseAdapter {
/** {@inheritDoc}
*/
@Override public void mouseClicked(MouseEvent event) {
System.out.println("\n\nMouse clicked in list.");
JList list = (JList) event.getSource();
int index = list.locationToIndex(event.getPoint());
TestListCellRenderer renderer = (TestListCellRenderer) list.getCellRenderer().getListCellRendererComponent(list, list.getModel().getElementAt(index), index, true, true);
Rectangle bounds = list.getCellBounds(index, index);
System.out.println("\tEVENT_LIST\t\t" + event.getPoint());
System.out.println("\tRENDERER_LIST\t\t" + bounds);
System.out.println("\tRENDERER\t\t" + renderer.getBounds());
Rectangle oldBounds = renderer.getBounds();
renderer.setBounds(bounds);
renderer.validate();
event = SwingUtilities.convertMouseEvent(list, event, renderer);
renderer.mouseClicked(event);
renderer.setBounds(oldBounds);
renderer.validate();
}
}
private static class TestListCellRenderer extends JPanel implements ListCellRenderer, MouseListener, ActionListener {
private static final Border NON_SELECTION_BORDER = new EmptyBorder(2, 2, 2, 2);
private static final Border SELECTION_BORDER = new CompoundBorder(new EmptyBorder(1, 1, 1, 1), new LineBorder(Color.BLUE, 1));
private JLabel label = new JLabel();
private JButton button = new JButton();
/** Creates a new instance.
*/
public TestListCellRenderer() {
super();
setOpaque(false);
setLayout(new FlowLayout(FlowLayout.LEADING));
add(label);
add(button);
addMouseListener(this);
button.addActionListener(this);
}
/** {@inheritDoc}
*/
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
setBorder((isSelected ? SELECTION_BORDER : NON_SELECTION_BORDER));
boolean enabled = list.isEnabled();
label.setEnabled(enabled);
button.setEnabled(enabled);
String text = value.toString();
label.setText(text);
button.setText(text);
button.setActionCommand(text);
return this;
}
/** {@inheritDoc}
*/
public void actionPerformed(ActionEvent event) {
JButton source = (JButton) event.getSource();
System.out.println("Clicked on button " + source.getActionCommand());
}
/** {@inheritDoc}
*/
public void mouseClicked(MouseEvent event) {
System.out.println("Mouse clicked in renderer.");
System.out.println("\tEVENT_RENDERER\t\t" + event.getPoint());
System.out.println("\tRENDERER\t\t" + getBounds());
System.out.println("\tLABEL\t\t\t" + label.getBounds());
System.out.println("\tBUTTON\t\t\t" + button.getBounds());
if (button.contains(event.getPoint())) {
System.out.println("Clicked in button "+button.getActionCommand());
}
}
/** {@inheritDoc}
*/
public void mousePressed(MouseEvent event) {
}
/** {@inheritDoc}
*/
public void mouseReleased(MouseEvent event) {
}
/** {@inheritDoc}
*/
public void mouseEntered(MouseEvent event) {
}
/** {@inheritDoc}
*/
public void mouseExited(MouseEvent event) {
}
}
} |
[JList] Redéfinir le renderer pour incorporer un JTextArea
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Envoyé par toto019
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