Java JComponent Margin setMargin(final JComponent component, final int eachSide)

Description

set Margin

License

Open Source License

Declaration

public static void setMargin(final JComponent component, final int eachSide) 

Method Source Code

//package com.java2s;
// Licensed under the MIT license. See License.txt in the project root.

import javax.swing.JComponent;

import javax.swing.border.Border;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;

import java.awt.Insets;

public class Main {
    public static void setMargin(final JComponent component, final int eachSide) {
        final Insets insets = new Insets(eachSide, eachSide, eachSide, eachSide);
        setMargin(component, insets);/*from ww  w . j  a  va2  s. c  o m*/
    }

    public static void setMargin(final JComponent component, final Insets newMargin) {
        final Border currentBorder = component.getBorder();
        final Border empty = new EmptyBorder(newMargin.top, newMargin.left, newMargin.bottom, newMargin.right);
        if (currentBorder == null || currentBorder instanceof EmptyBorder) {
            component.setBorder(empty);
        } else if (currentBorder instanceof CompoundBorder) {
            final CompoundBorder current = (CompoundBorder) currentBorder;
            final Border insideBorder = current.getInsideBorder();
            component.setBorder(new CompoundBorder(empty, insideBorder));
        } else {
            component.setBorder(new CompoundBorder(empty, currentBorder));
        }
    }
}

Related

1. addMargin(JComponent component, int margin)