Internal Frame Listener Demo
import java.beans.PropertyVetoException;
import javax.swing.plaf.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class InternalFrameListenerDemo
extends JFrame
implements ActionListener, InternalFrameListener
{
protected int m_count;
protected int m_tencount;
private int[] m_counts = new int[7];
private int m_open, m_closing, m_close, m_iconify,
m_deiconify, m_activate, m_deactivate;
protected JButton m_newFrame;
protected JDesktopPane m_desktop;
protected JComboBox m_UIBox;
protected UIManager.LookAndFeelInfo[] m_infos;
private JLabel m_lOpened, m_lClosing, m_lClosed,
m_lIconified, m_lDeiconified, m_lActivated,
m_lDeactivated;
protected IFEventCanvas m_ifEventCanvas;
protected Timer m_eventTimer;
public InternalFrameListenerDemo() {
setTitle("Animated InternalFrameListener");
m_count = m_tencount = 0;
JPanel innerListenerPanel = new JPanel(new GridLayout(7,1));
JPanel listenerPanel = new JPanel(new BorderLayout());
m_ifEventCanvas = new IFEventCanvas();
m_lOpened = new JLabel("internalFrameOpened");
m_lClosing = new JLabel("internalFrameClosing");
m_lClosed = new JLabel("internalFrameClosed");
m_lIconified = new JLabel("internalFrameIconified");
m_lDeiconified = new JLabel("internalFrameDeiconified");
m_lActivated = new JLabel("internalFrameActivated");
m_lDeactivated = new JLabel("internalFrameDeactivated");
innerListenerPanel.add(m_lOpened);
innerListenerPanel.add(m_lClosing);
innerListenerPanel.add(m_lClosed);
innerListenerPanel.add(m_lIconified);
innerListenerPanel.add(m_lDeiconified);
innerListenerPanel.add(m_lActivated);
innerListenerPanel.add(m_lDeactivated);
listenerPanel.add("Center", m_ifEventCanvas);
listenerPanel.add("West", innerListenerPanel);
listenerPanel.setOpaque(true);
listenerPanel.setBackground(Color.white);
m_desktop = new JDesktopPane();
m_desktop.setBorder(new SoftBevelBorder(BevelBorder.LOWERED));
m_newFrame = new JButton("New Frame");
m_newFrame.addActionListener(this);
m_infos = UIManager.getInstalledLookAndFeels();
String[] LAFNames = new String[m_infos.length];
for(int i=0; i<m_infos.length; i++) {
LAFNames[i] = m_infos[i].getName();
}
m_UIBox = new JComboBox(LAFNames);
m_UIBox.addActionListener(this);
JPanel topPanel = new JPanel(true);
topPanel.setLayout(new FlowLayout());
topPanel.setBorder(new CompoundBorder(
new SoftBevelBorder(BevelBorder.LOWERED),
new CompoundBorder(new EmptyBorder(2,2,2,2),
new SoftBevelBorder(BevelBorder.RAISED))));
getContentPane().setLayout(new BorderLayout());
getContentPane().add("North", topPanel);
getContentPane().add("Center", m_desktop);
getContentPane().add("South", listenerPanel);
((JPanel) getContentPane()).setBorder(new CompoundBorder(
new SoftBevelBorder(BevelBorder.LOWERED),
new CompoundBorder(new EmptyBorder(1,1,1,1),
new SoftBevelBorder(BevelBorder.RAISED))));
topPanel.add(m_newFrame);
topPanel.add(new JLabel("Look & Feel:",SwingConstants.RIGHT));
topPanel.add(m_UIBox);
setSize(645,500);
Dimension dim = getToolkit().getScreenSize();
setLocation(dim.width/2-getWidth()/2,
dim.height/2-getHeight()/2);
setVisible(true);
WindowListener l = new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
};
addWindowListener(l);
m_eventTimer = new Timer(1000, this);
m_eventTimer.setRepeats(true);
m_eventTimer.start();
}
public void newFrame() {
JInternalFrame jif = new JInternalFrame("Frame " + m_count,
true, true, true, true);
jif.addInternalFrameListener(this);
jif.setBounds(20*(m_count%10) + m_tencount*80,
20*(m_count%10), 200, 200);
JLabel label = new JLabel();
label.setBackground(Color.white);
label.setOpaque(true);
jif.getContentPane().add(label);
m_desktop.add(jif);
try {
jif.setSelected(true);
}
catch (PropertyVetoException pve) {
System.out.println("Could not select " + jif.getTitle());
}
m_count++;
if (m_count%10 == 0) {
if (m_tencount < 3)
m_tencount++;
else
m_tencount = 0;
}
}
public void clearCounts() {
for (int i=0; i<7; i++) {
m_counts[i] = 0;
}
}
public int[] getCounts() {
return m_counts;
}
public void internalFrameOpened(InternalFrameEvent e) {
m_counts[0]++;
}
public void internalFrameClosing(InternalFrameEvent e) {
m_counts[1]++;
}
public void internalFrameClosed(InternalFrameEvent e) {
m_counts[2]++;
}
public void internalFrameIconified(InternalFrameEvent e) {
m_counts[3]++;
}
public void internalFrameDeiconified(InternalFrameEvent e) {
m_counts[4]++;
}
public void internalFrameActivated(InternalFrameEvent e) {
m_counts[5]++;
}
public void internalFrameDeactivated(InternalFrameEvent e) {
m_counts[6]++;
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == m_newFrame)
newFrame();
else if (e.getSource() == m_eventTimer) {
m_ifEventCanvas.render(getCounts());
clearCounts();
}
else if (e.getSource() == m_UIBox) {
try {
m_UIBox.hidePopup(); //BUG WORKAROUND
UIManager.setLookAndFeel(m_infos[m_UIBox.getSelectedIndex()].getClassName());
SwingUtilities.updateComponentTreeUI(this);
}
catch(Exception ex) {
System.out.println("Could not load " +
m_infos[m_UIBox.getSelectedIndex()].getClassName());
}
}
}
public static void main(String[] args) {
new InternalFrameListenerDemo();
}
}
class IFEventCanvas
extends JComponent
{
private Color[] m_colors = new Color[8];
private int[][] m_arrays = new int[15][12];
public IFEventCanvas() {
setPreferredSize(new Dimension(505,130));
for (int i=0; i<7; i++) {
m_arrays[i] = new int[12];
m_colors[i] = new Color(37+i*14, 37+i*14, 37+i*14);
}
}
public void paintEventSquare(Graphics g, int value, int currwidth,
int currheight, int cellwidth, int cellheight, Color color) {
if(value != 0) {
g.setColor(color);
g.fillRect(currwidth, currheight, cellwidth, cellheight);
g.setColor(Color.green);
g.drawString("" + value, currwidth + 5, currheight + 14);
}
g.setColor(Color.black);
g.drawRect(currwidth, currheight, cellwidth, cellheight);
}
public void paintComponent(Graphics g) {
int cellheight = 19;
int cellwidth = 40;
int currwidth = 0;
int currheight = 0;
for (int i=0; i < 12; i++) {
for (int j=0; j < 7; j++) {
paintEventSquare(g, m_arrays[j][i], currwidth, currheight,
cellwidth, cellheight, m_colors[j]);
currheight += cellheight;
}
currheight = 0;
currwidth += cellwidth;
}
}
public void render(int[] counts) {
for (int i=0; i < 11; i++) {
for (int j=0; j < 7; j++) {
m_arrays[j][i] = m_arrays[j][i+1];
}
}
for (int k=0; k < 7; k++) {
m_arrays[k][11] = counts[k];
}
paintImmediately(new Rectangle(0,0,505,130));
}
}
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