Sketchpublic class Sketch extends JPanel implements PropertyChangeListener, ActionListener
| Fields Summary |
|---|
| JogShuttle | shuttle1 | | JogShuttle | shuttle2 | | JPanel | board | | JButton | clear | | int | lastX | | int | lastY |
| Constructors Summary |
|---|
public Sketch()
super(true);
setLayout(new BorderLayout());
board = new JPanel(true);
board.setPreferredSize(new Dimension(300, 300));
board.setBorder(new LineBorder(Color.black, 5));
clear = new JButton("Clear Drawing Area");
clear.addActionListener(this);
shuttle1 = new JogShuttle(0, 300, 150);
lastX = shuttle1.getValue();
shuttle2 = new JogShuttle(0, 300, 150);
lastY = shuttle2.getValue();
shuttle1.setValuePerRevolution(100);
shuttle2.setValuePerRevolution(100);
shuttle1.addPropertyChangeListener(this);
shuttle2.addPropertyChangeListener(this);
shuttle1.setBorder(new BevelBorder(BevelBorder.RAISED));
shuttle2.setBorder(new BevelBorder(BevelBorder.RAISED));
add(board, BorderLayout.NORTH);
add(shuttle1, BorderLayout.WEST);
add(clear, BorderLayout.CENTER);
add(shuttle2, BorderLayout.EAST);
|
| Methods Summary |
|---|
| public void | actionPerformed(java.awt.event.ActionEvent e)
// The button must have been pressed.
Insets insets = board.getInsets();
Graphics g = board.getGraphics();
g.setColor(board.getBackground());
g.fillRect(insets.left, insets.top,
board.getWidth()-insets.left-insets.right,
board.getHeight()-insets.top-insets.bottom);
| | public static void | main(java.lang.String[] args)
UIManager.put(JogShuttleUI.UI_CLASS_ID, "BasicJogShuttleUI");
Sketch s = new Sketch();
JFrame frame = new JFrame("Sample Sketch Application");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setContentPane(s);
frame.pack();
frame.setVisible(true);
| | public void | propertyChange(java.beans.PropertyChangeEvent e)
if (e.getPropertyName() == "value") {
Graphics g = board.getGraphics();
g.setColor(getForeground());
g.drawLine(lastX, lastY,
shuttle1.getValue(), shuttle2.getValue());
lastX = shuttle1.getValue();
lastY = shuttle2.getValue();
}
|
|
