ToolBar UI Sample : Toolbar « Swing JFC « Java
ToolBar UI Sample
/*
Definitive Guide to Swing for Java 2, Second Edition
By John Zukowski
ISBN: 1-893115-78-X
Publisher: APress
*/
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Polygon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowListener;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JToolBar;
import javax.swing.UIManager;
import javax.swing.plaf.ToolBarUI;
import javax.swing.plaf.metal.MetalToolBarUI;
public class ToolBarUISample {
private static final int COLOR_POSITION = 0;
private static final int STRING_POSITION = 1;
static Object buttonColors[][] = { { Color.red, "red" },
{ Color.blue, "blue" }, { Color.green, "green" },
{ Color.black, "black" }, null, // separator
{ Color.cyan, "cyan" } };
public static void main(String args[]) {
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
System.out.println(actionEvent.getActionCommand());
}
};
JFrame frame = new JFrame("JToolBar Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ToolBarUI toolbarUI = new CustomToolBarUI();
Icon imageIcon = new ImageIcon("World.gif");
UIManager.put(CustomToolBarUI.FRAME_IMAGEICON, imageIcon);
JToolBar toolbar = new JToolBar();
toolbar.setUI(toolbarUI);
toolbar.putClientProperty("JToolBar.isRollover", Boolean.TRUE);
for (int i = 0, n = buttonColors.length; i < n; i++) {
Object color[] = buttonColors[i];
if (color == null) {
toolbar.addSeparator();
} else {
Icon icon = new DiamondIcon((Color) color[COLOR_POSITION],
true, 20, 20);
JButton button = new JButton(icon);
button.setActionCommand((String) color[STRING_POSITION]);
button.addActionListener(actionListener);
toolbar.add(button);
}
}
Container contentPane = frame.getContentPane();
contentPane.add(toolbar, BorderLayout.NORTH);
frame.setSize(350, 150);
frame.setVisible(true);
}
}
class CustomToolBarUI extends MetalToolBarUI {
public final static String FRAME_IMAGEICON = "ToolBar.frameImageIcon";
protected JFrame createFloatingFrame(JToolBar toolbar) {
JFrame frame = new JFrame(toolbar.getName());
frame.setResizable(false);
Icon icon = UIManager.getIcon(FRAME_IMAGEICON);
if (icon instanceof ImageIcon) {
Image iconImage = ((ImageIcon) icon).getImage();
frame.setIconImage(iconImage);
}
WindowListener windowListener = createFrameListener();
frame.addWindowListener(windowListener);
return frame;
}
}
class DiamondIcon implements Icon {
private Color color;
private boolean selected;
private int width;
private int height;
private Polygon poly;
private static final int DEFAULT_WIDTH = 10;
private static final int DEFAULT_HEIGHT = 10;
public DiamondIcon(Color color) {
this(color, true, DEFAULT_WIDTH, DEFAULT_HEIGHT);
}
public DiamondIcon(Color color, boolean selected) {
this(color, selected, DEFAULT_WIDTH, DEFAULT_HEIGHT);
}
public DiamondIcon(Color color, boolean selected, int width, int height) {
this.color = color;
this.selected = selected;
this.width = width;
this.height = height;
initPolygon();
}
private void initPolygon() {
poly = new Polygon();
int halfWidth = width / 2;
int halfHeight = height / 2;
poly.addPoint(0, halfHeight);
poly.addPoint(halfWidth, 0);
poly.addPoint(width, halfHeight);
poly.addPoint(halfWidth, height);
}
public int getIconHeight() {
return height;
}
public int getIconWidth() {
return width;
}
public void paintIcon(Component c, Graphics g, int x, int y) {
g.setColor(color);
g.translate(x, y);
if (selected) {
g.fillPolygon(poly);
} else {
g.drawPolygon(poly);
}
g.translate(-x, -y);
}
}
