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Java Swing, 2nd Edition
book

Java Swing, 2nd Edition

by Dave Wood, Robert Eckstein, Marc Loy, James Elliott, Brian Cole
November 2002
Intermediate to advanced content levelIntermediate to advanced
1278 pages
38h 26m
English
O'Reilly Media, Inc.
Content preview from Java Swing, 2nd Edition

Introducing Borders

Figure 13-1 shows the standard borders that Swing provides. There are eight border styles: bevel, soft bevel, empty, etched, line, matte, titled, and compound. The MatteBorder gives you two borders in one: the border area can be filled with either a solid color or an icon. (This figure shows only the icon; you can see a better example of both in Figure 13-11.)

Borders in Swing

Figure 13-1. Borders in Swing

You can place a border around any Swing component that extends JComponent. The JComponent class contains a border property that is inherited by all Swing components. (Top-level components that don’t inherit from JComponent, like JFrame and JDialog, can’t have borders.) By default, the border property is null (no border), but you can access and modify it. Once you’ve set a component’s border, the component paints itself using that border from that point on, and the insets of the border replace the component’s default insets.

Here’s how to set a component’s border:

JLabel label = new JLabel("A Border");
mylabel.setBorder(new BevelBorder(BevelBorder.LOWERED));

Borders are grouped into a separate package within the Swing hierarchy, javax.swing.border. Figure 13-2 shows the classes within this package. The borders included with Swing directly or indirectly extend the AbstractBorder class, which in turn implements the fundamental Border interface and provides a number of helpful housekeeping ...

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Publisher Resources

ISBN: 0596004087Errata PageSupplemental Content