|
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
import javax.swing.text.BadLocationException;
import javax.swing.text.JTextComponent;
class InsertAction extends AbstractAction {
public InsertAction() {
super("Insert Space");
}
public void actionPerformed(ActionEvent evt) {
JTextComponent c = (JTextComponent) evt.getSource();
try {
c.getDocument().insertString(c.getCaretPosition(), " space", null);
} catch (BadLocationException e) {
}
}
}
public class Main {
public static void main(String[] argv) {
JTextField component = new JTextField(10);
InsertAction insertSpaceAction = new InsertAction();
component.getInputMap(JComponent.WHEN_FOCUSED).put(
KeyStroke.getKeyStroke(new Character(' '), 0), "none");
component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke("pressed SPACE"),
insertSpaceAction.getValue(Action.NAME));
component.getActionMap().put(insertSpaceAction.getValue(Action.NAME), insertSpaceAction);
JFrame f = new JFrame();
f.add(component);
f.setSize(300, 300);
f.setVisible(true);
}
}
|