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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

Lists

A list is a graphical component that presents the user with choices. Lists typically display several items at a time, allowing the user to make either a single selection or multiple selections. In the event that the inventory of the list exceeds the space available to the component, the list is often coupled with a scrollpane to allow navigation through the entire set of choices.

The Swing JList component allows elements to be any Java class capable of being rendered—which is to say anything at all because you can supply your own renderer. This offers a wide range of flexibility; list components can be as simple or as complex as the programmer’s needs dictate.

Let’s get our feet wet with a simple list. The following example uses the Swing list class, JList, to create a single-selection list composed only of strings. Figure 7-1 shows the result.

A simple Swing list

Figure 7-1. A simple Swing list

// SimpleList.java // import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SimpleList extends JPanel { String label[] = { "Zero","One","Two","Three","Four","Five","Six", "Seven","Eight","Nine","Ten","Eleven" }; JList list; public SimpleList( ) { this.setLayout(new BorderLayout( )); list = new JList(label); JScrollPane pane = new JScrollPane(list); JButton button = new JButton("Print"); button.addActionListener(new PrintListener( )); add(pane, BorderLayout.CENTER); add(button, BorderLayout.SOUTH); ...
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Publisher Resources

ISBN: 0596004087Errata PageSupplemental Content