// Establish the GUI
Container cp = new Box(BoxLayout.X_AXIS);
setContentPane(cp);
JPanel firstPanel = new JPanel();
propertyComboBox = new JComboBox();
propertyComboBox.addItem("text");
propertyComboBox.addItem("font");
propertyComboBox.addItem("background");
propertyComboBox.addItem("foreground");
firstPanel.add(propertyComboBox);
cp.add(firstPanel);
cp.add(Box.createGlue());
tf = new JTextField("Hello");
tf.setForeground(Color.RED);
tf.setDragEnabled(true);
cp.add(tf);
cp.add(Box.createGlue());
l = new JLabel("Hello");
l.setBackground(Color.YELLOW);
cp.add(l);
cp.add(Box.createGlue());
JSlider stryder = new JSlider(SwingConstants.VERTICAL);
stryder.setMinimum(10);
stryder.setValue(14);
stryder.setMaximum(72);
stryder.setMajorTickSpacing(10);
stryder.setPaintTicks(true);
cp.add(stryder);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(500, 300);
// Add Listeners and Converters
setMyTransferHandlers((String)propertyComboBox.getSelectedItem());
// Mousing in the Label starts a Drag.
MouseListener myDragListener = new MouseAdapter() {
public void mousePressed(MouseEvent e) {
JComponent c = (JComponent)e.getSource();
TransferHandler handler = c.getTransferHandler();
handler.exportAsDrag(c, e, TransferHandler.COPY);
}
};
l.addMouseListener(myDragListener);
// Selecting in the ComboBox makes that the property that is xfered.
propertyComboBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ce) {
JComboBox bx = (JComboBox)ce.getSource();
String prop = (String)bx.getSelectedItem();
setMyTransferHandlers(prop);
}
});
// Typing a word and pressing enter in the TextField tries
// to set that as the font name.
tf.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
JTextField jtf = (JTextField)evt.getSource();
String fontName = jtf.getText();
Font font = new Font(fontName, Font.BOLD, 18);
tf.setFont(font);
}
});
// Setting the Slider sets that font into the textfield.
stryder.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
JSlider sl = (JSlider)evt.getSource();
Font oldf = tf.getFont();
Font newf = oldf.deriveFont((float)sl.getValue());
tf.setFont(newf);
}
});
