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copied!<p>Here's JLayer(Java 1.7.0) version, based on <a href="http://docs.oracle.com/javase/tutorial/uiswing/misc/jlayer.html" rel="noreferrer">How to Decorate Components with the JLayer Class (The Java Tutorials > Creating a GUI With JFC/Swing > Using Other Swing Features)</a></p> <pre><code>import java.awt.*; import java.awt.event.*; import java.beans.PropertyChangeEvent; import javax.swing.*; import javax.swing.plaf.LayerUI; import javax.swing.table.*; public class TableWaitLayerTest { private final String[] columnNames = {"String", "Integer", "Boolean"}; private final Object[][] data = { {"aaa", 12, true}, {"bbb", 5, false}, {"ccc", 9, false}, }; private final DefaultTableModel model = new DefaultTableModel(data, columnNames) { @Override public Class<?> getColumnClass(int column) { return getValueAt(0, column).getClass(); } }; private final JTable table = new JTable(model); private final JButton startButton = new JButton(); private final WaitLayerUI layerUI = new WaitLayerUI(); public JComponent makeUI() { startButton.setAction(new AbstractAction("start") { @Override public void actionPerformed(ActionEvent e) { layerUI.start(); startButton.setEnabled(false); SwingWorker<String, Object[]> worker = new SwingWorker<String, Object[]>() { @Override public String doInBackground() { int current = 0, lengthOfTask = 120; while(current<lengthOfTask && !isCancelled()) { try { Thread.sleep(50); } catch(InterruptedException ie) { return "Interrupted"; } publish(new Object[] {"aaa", current++, false}); } return "Done"; } @Override protected void process(java.util.List<Object[]> chunks) { for(Object[] array: chunks) { model.addRow(array); } table.scrollRectToVisible( table.getCellRect(model.getRowCount()-1, 0, true)); } @Override public void done() { layerUI.stop(); startButton.setEnabled(true); String text = null; if(isCancelled()) { text = "Cancelled"; } else { try { text = get(); } catch(Exception ex) { ex.printStackTrace(); text = "Exception"; } } } }; worker.execute(); } }); JPanel p = new JPanel(new BorderLayout()); p.add(new JButton("dummy"), BorderLayout.NORTH); p.add(new JLayer<JComponent>(new JScrollPane(table), layerUI)); p.add(startButton, BorderLayout.SOUTH); return p; } public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { @Override public void run() { createAndShowGUI(); } }); } public static void createAndShowGUI() { JFrame f = new JFrame(); f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); f.getContentPane().add(new TableWaitLayerTest().makeUI()); f.setSize(320, 240); f.setLocationRelativeTo(null); f.setVisible(true); } } //http://docs.oracle.com/javase/tutorial/uiswing/misc/jlayer.html //How to Decorate Components with the JLayer Class //(The Java? Tutorials > Creating a GUI With JFC/Swing > Using Other Swing Features) //TapTapTap.java class WaitLayerUI extends LayerUI<JComponent> implements ActionListener { private boolean mIsRunning; private boolean mIsFadingOut; private Timer mTimer; private int mAngle; private int mFadeCount; private int mFadeLimit = 15; @Override public void paint (Graphics g, JComponent c) { int w = c.getWidth(); int h = c.getHeight(); // Paint the view. super.paint (g, c); if (!mIsRunning) { return; } Graphics2D g2 = (Graphics2D)g.create(); float fade = (float)mFadeCount / (float)mFadeLimit; // Gray it out. Composite urComposite = g2.getComposite(); g2.setComposite(AlphaComposite.getInstance( AlphaComposite.SRC_OVER, .5f * fade)); g2.fillRect(0, 0, w, h); g2.setComposite(urComposite); // Paint the wait indicator. int s = Math.min(w, h) / 5; int cx = w / 2; int cy = h / 2; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setStroke( new BasicStroke(s / 4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND)); g2.setPaint(Color.white); g2.rotate(Math.PI * mAngle / 180, cx, cy); for (int i = 0; i < 12; i++) { float scale = (11.0f - (float)i) / 11.0f; g2.drawLine(cx + s, cy, cx + s * 2, cy); g2.rotate(-Math.PI / 6, cx, cy); g2.setComposite(AlphaComposite.getInstance( AlphaComposite.SRC_OVER, scale * fade)); } g2.dispose(); } @Override public void actionPerformed(ActionEvent e) { if (mIsRunning) { firePropertyChange("tick", 0, 1); mAngle += 3; if (mAngle >= 360) { mAngle = 0; } if (mIsFadingOut) { if (--mFadeCount == 0) { mIsRunning = false; mTimer.stop(); } } else if (mFadeCount < mFadeLimit) { mFadeCount++; } } } public void start() { if (mIsRunning) { return; } // Run a thread for animation. mIsRunning = true; mIsFadingOut = false; mFadeCount = 0; int fps = 24; int tick = 1000 / fps; mTimer = new Timer(tick, this); mTimer.start(); } public void stop() { mIsFadingOut = true; } @Override public void applyPropertyChange(PropertyChangeEvent pce, JLayer l) { if ("tick".equals(pce.getPropertyName())) { l.repaint(); } } @Override public void installUI(JComponent c) { super.installUI(c); ((JLayer)c).setLayerEventMask( AWTEvent.MOUSE_EVENT_MASK | AWTEvent.MOUSE_MOTION_EVENT_MASK | AWTEvent.MOUSE_WHEEL_EVENT_MASK | AWTEvent.KEY_EVENT_MASK | AWTEvent.FOCUS_EVENT_MASK | AWTEvent.COMPONENT_EVENT_MASK); } @Override public void uninstallUI(JComponent c) { ((JLayer)c).setLayerEventMask(0); super.uninstallUI(c); } @Override public void eventDispatched(AWTEvent e, JLayer<? extends JComponent> l) { if(mIsRunning && e instanceof InputEvent) { ((InputEvent)e).consume(); } } } </code></pre>

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