RectangleBorder.java Source code

Introduction

Here is the source code for RectangleBorder.java

Source

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Insets;

import javax.swing.border.AbstractBorder;

public class RectangleBorder extends AbstractBorder {
    protected Insets thickness;

    protected Color lineColor;

    protected Insets gap;

    public RectangleBorder(Color color) {
        this(color, new Insets(1, 1, 1, 1));
    }

    public RectangleBorder(Color color, Insets thickness) {
        this(color, thickness, thickness);
    }

    public RectangleBorder(Color color, Insets thickness, Insets gap) {
        lineColor = color;
        this.thickness = thickness;
        this.gap = gap;
    }

    public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
        Color oldColor = g.getColor();

        g.setColor(lineColor);
        // top
        for (int i = 0; i < thickness.top; i++) {
            g.drawLine(x, y + i, x + width, y + i);
        }
        // bottom
        for (int i = 0; i < thickness.bottom; i++) {
            g.drawLine(x, y + height - i - 1, x + width, y + height - i - 1);
        }
        // right
        for (int i = 0; i < thickness.right; i++) {
            g.drawLine(x + width - i - 1, y, x + width - i - 1, y + height);
        }
        // left
        for (int i = 0; i < thickness.left; i++) {
            g.drawLine(x + i, y, x + i, y + height);
        }
        g.setColor(oldColor);
    }

    /**
     * Returns the insets of the border.
     * 
     * @param c
     *          the component for which this border insets value applies
     */
    public Insets getBorderInsets(Component c) {
        return gap;
    }

    public Insets getBorderInsets(Component c, Insets insets) {
        insets.left = gap.left;
        insets.top = gap.top;
        insets.right = gap.right;
        insets.bottom = gap.bottom;
        return insets;
    }

    /**
     * Returns the color of the border.
     */
    public Color getLineColor() {
        return lineColor;
    }

    /**
     * Returns the thickness of the border.
     */
    public Insets getThickness() {
        return thickness;
    }

    /**
     * Returns whether or not the border is opaque.
     */
    public boolean isBorderOpaque() {
        return false;
    }

    public Insets getGap() {
        return gap;
    }

}