BorderSample.java Source code

Introduction

Here is the source code for BorderSample.java

Source

/*
Definitive Guide to Swing for Java 2, Second Edition
By John Zukowski       
ISBN: 1-893115-78-X
Publisher: APress
*/

import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Polygon;

import javax.swing.Icon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.border.BevelBorder;
import javax.swing.border.Border;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;
import javax.swing.border.EtchedBorder;
import javax.swing.border.LineBorder;
import javax.swing.border.MatteBorder;
import javax.swing.border.SoftBevelBorder;
import javax.swing.border.TitledBorder;

public class BorderSample {
    public static void main(String args[]) {
        JFrame frame = new JFrame("Sample Borders");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Border bevelBorder = new BevelBorder(BevelBorder.RAISED, Color.red, Color.red.darker(), Color.pink,
                Color.pink.brighter());
        Border emptyBorder = new EmptyBorder(5, 10, 5, 10);
        Border etchedBorder = new EtchedBorder(EtchedBorder.RAISED, Color.red, Color.pink);
        Border lineBorder = new LineBorder(Color.red, 5);
        Icon diamondIcon = new DiamondIcon(Color.red);
        Border matteBorder = new MatteBorder(5, 10, 5, 10, diamondIcon);
        Border softBevelBorder = new SoftBevelBorder(BevelBorder.RAISED, Color.red, Color.red.darker(), Color.pink,
                Color.pink.brighter());
        Font font = new Font("Serif", Font.ITALIC, 12);
        Border titledBorder = new TitledBorder(lineBorder, "Hello", TitledBorder.LEFT, TitledBorder.BELOW_BOTTOM,
                font, Color.red);
        Border compoundBorder = new CompoundBorder(lineBorder, matteBorder);

        JLabel bevelLabel = new JLabel("Bevel");
        bevelLabel.setBorder(bevelBorder);
        bevelLabel.setHorizontalAlignment(JLabel.CENTER);
        JLabel emptyLabel = new JLabel("Empty");
        emptyLabel.setBorder(emptyBorder);
        emptyLabel.setHorizontalAlignment(JLabel.CENTER);
        JLabel etchedLabel = new JLabel("Etched");
        etchedLabel.setBorder(etchedBorder);
        etchedLabel.setHorizontalAlignment(JLabel.CENTER);
        JLabel lineLabel = new JLabel("Line");
        lineLabel.setBorder(lineBorder);
        lineLabel.setHorizontalAlignment(JLabel.CENTER);
        JLabel matteLabel = new JLabel("Matte");
        matteLabel.setBorder(matteBorder);
        matteLabel.setHorizontalAlignment(JLabel.CENTER);
        JLabel softBevelLabel = new JLabel("Soft Bevel");
        softBevelLabel.setBorder(softBevelBorder);
        softBevelLabel.setHorizontalAlignment(JLabel.CENTER);
        JLabel titledLabel = new JLabel("Titled");
        titledLabel.setBorder(titledBorder);
        titledLabel.setHorizontalAlignment(JLabel.CENTER);
        JLabel compoundLabel = new JLabel("Compound");
        compoundLabel.setBorder(compoundBorder);
        compoundLabel.setHorizontalAlignment(JLabel.CENTER);

        Container contentPane = frame.getContentPane();
        contentPane.setLayout(new GridLayout(2, 4, 5, 5));
        contentPane.add(bevelLabel);
        contentPane.add(emptyLabel);
        contentPane.add(etchedLabel);
        contentPane.add(lineLabel);
        contentPane.add(matteLabel);
        contentPane.add(softBevelLabel);
        contentPane.add(titledLabel);
        contentPane.add(compoundLabel);
        frame.setSize(400, 200);
        frame.setVisible(true);
    }
}

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);
    }
}