diff options
Diffstat (limited to 'prototypes/miglayout/net/miginfocom/demo/CallbackDemo.java')
| -rw-r--r-- | prototypes/miglayout/net/miginfocom/demo/CallbackDemo.java | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/prototypes/miglayout/net/miginfocom/demo/CallbackDemo.java b/prototypes/miglayout/net/miginfocom/demo/CallbackDemo.java new file mode 100644 index 00000000..693271e4 --- /dev/null +++ b/prototypes/miglayout/net/miginfocom/demo/CallbackDemo.java @@ -0,0 +1,145 @@ +package net.miginfocom.demo;
+
+import net.miginfocom.swing.MigLayout;
+import net.miginfocom.layout.*;
+import javax.swing.*;
+import java.awt.event.*;
+import java.awt.*;
+import java.util.IdentityHashMap;
+
+public class CallbackDemo extends JFrame implements ActionListener, MouseMotionListener, MouseListener
+{
+ private final Timer repaintTimer = new Timer(20, new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ ((JPanel) getContentPane()).revalidate();
+ }
+ });
+ private final IdentityHashMap<Object, Long> pressMap = new IdentityHashMap<Object, Long>();
+ private Point mousePos = null;
+
+ public CallbackDemo()
+ {
+ super("MiG Layout Callback Demo");
+
+ MigLayout migLayout = new MigLayout("align center bottom, insets 30");
+ final JPanel panel = new JPanel(migLayout) {
+ protected void paintComponent(Graphics g)
+ {
+ ((Graphics2D) g).setPaint(new GradientPaint(0, getHeight() / 2, Color.WHITE, 0, getHeight(), new Color(240, 238, 235)));
+ g.fillRect(0, 0, getWidth(), getHeight());
+ }
+ };
+ setContentPane(panel);
+
+ // This callback methods will be called for every layout cycle and let you make correction before and after the calculations.
+ migLayout.addLayoutCallback(new LayoutCallback() {
+
+ // This is the size change part
+ public BoundSize[] getSize(ComponentWrapper comp)
+ {
+ if (comp.getComponent() instanceof JButton) {
+ Component c = (Component) comp.getComponent();
+ Point p = mousePos != null ? SwingUtilities.convertPoint(panel, mousePos, c) : new Point(-1000, -1000);
+
+ float fact = (float) Math.sqrt(Math.pow(Math.abs(p.x - c.getWidth() / 2f), 2) + Math.pow(Math.abs(p.y - c.getHeight() / 2f), 2));
+ fact = Math.max(2 - (fact / 200), 1);
+
+ return new BoundSize[] {new BoundSize(new UnitValue(60 * fact), ""), new BoundSize(new UnitValue(60 * fact), "")};
+ }
+ return null;
+ }
+
+ // This is the jumping part
+ public void correctBounds(ComponentWrapper c)
+ {
+ Long pressedNanos = pressMap.get(c.getComponent());
+ if (pressedNanos != null) {
+ long duration = System.nanoTime() - pressedNanos;
+ double maxHeight = 100.0 - (duration / 100000000.0);
+ int deltaY = (int) Math.round(Math.abs(Math.sin((duration) / 300000000.0) * maxHeight));
+ c.setBounds(c.getX(), c.getY() - deltaY, c.getWidth(), c.getHeight());
+
+ if (maxHeight < 0.5) {
+ pressMap.remove(c.getComponent());
+ if (pressMap.size() == 0)
+ repaintTimer.stop();
+ }
+ }
+ }
+ });
+
+ for (int j = 0; j < 10; j++)
+ panel.add(createButton(j), "aligny 0.8al");
+
+ JLabel label = new JLabel("Can't you just feel the urge to press one of those Swing JButtons?");
+ label.setFont(new Font("verdana", Font.PLAIN, 24));
+ label.setForeground(new Color(150, 150, 150));
+ panel.add(label, "pos 0.5al 0.2al");
+
+ panel.addMouseMotionListener(this);
+ panel.addMouseListener(this);
+ }
+
+ private static Font[] FONTS = new Font[120];
+ private JButton createButton(int i)
+ {
+ JButton button = new JButton(String.valueOf("MIG LAYOUT".charAt(i))) {
+ public Font getFont()
+ {
+ if (FONTS[0] == null) {
+ for (int i = 0; i < FONTS.length; i++)
+ FONTS[i] = new Font("tahoma", Font.PLAIN, i);
+ }
+
+ return FONTS[getWidth() >> 1];
+ }
+ };
+
+ button.setForeground(new Color(100, 100, 100));
+ button.setFocusPainted(false);
+ button.addMouseMotionListener(this);
+ button.addActionListener(this);
+ button.setMargin(new Insets(0, 0, 0, 0));
+ return button;
+ }
+
+ public void mouseDragged(MouseEvent e) {}
+ public void mouseMoved(MouseEvent e)
+ {
+ if (e.getSource() instanceof JButton) {
+ mousePos = SwingUtilities.convertPoint((Component) e.getSource(), e.getPoint(), getContentPane());
+ } else {
+ mousePos = e.getPoint();
+ }
+ ((JPanel) getContentPane()).revalidate();
+ }
+
+ public void mousePressed(MouseEvent e) {}
+ public void mouseReleased(MouseEvent e) {}
+ public void mouseClicked(MouseEvent e) {}
+ public void mouseEntered(MouseEvent e) {}
+ public void mouseExited(MouseEvent e)
+ {
+ mousePos = null;
+ ((JPanel) getContentPane()).revalidate();
+ }
+
+ public void actionPerformed(ActionEvent e)
+ {
+ pressMap.put(e.getSource(), System.nanoTime());
+ repaintTimer.start();
+ }
+
+ public static void main(String args[])
+ {
+ try {
+ UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+ } catch (Exception ex) {}
+
+ CallbackDemo demoFrame = new CallbackDemo();
+ demoFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+ demoFrame.setSize(970, 500);
+ demoFrame.setLocationRelativeTo(null);
+ demoFrame.setVisible(true);
+ }
+}
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