Contoh Program Mengatur Tampilan Frame di Java

Tampilan frame atau lebih dikenal dengan “Look and Feel” di java dapat diatur sesuai keinginan kita. Java memiliki 3 Look and Feel dasar yaitu Metal, Motif dan Windows. Selain itu banyak tersedia Look and Feel di internet yang dapat didownload secara gratis. Berikut ini contoh program yang mengatur tampilan atau tema dan frame.

Dan berikut ini contoh tampilannya:

Berikut ini program lengkapnya:

001	import java.awt.*;

002

003	import java.awt.event.*;

004

005	import javax.swing.*;

006

007	public class LookAndFeelDemo extends JFrame {

008

009	private final String lookName[] = {"Metal", "Motif", "Windows"};

010

011	private UIManager.LookAndFeelInfo looks[];

012

013	private JRadioButton rdLook[];

014

015	private ButtonGroup btnGroup;

016

017	private JButton btn;

018

019	private JTextField txt;

020

021	private JPanel panel1, panel2;

022

023	public LookAndFeelDemo () {

024

025	super ("Look and Feel Demo : Tampilan Frame");

026

027	setSize (400,300);

028

029	Container container = getContentPane();

030

031	ItemHandler handler = new ItemHandler ();

032

033	panel1 = new JPanel();

034

035	panel2 = new JPanel();

036

037	btnGroup = new ButtonGroup();

038

039	rdLook = new JRadioButton [lookName.length];

040

041	for (int i = 0; i < rdLook.length; i++) {

042

043	rdLook[i] = new JRadioButton (lookName[i]);

044

045	rdLook[i].addItemListener(handler);

046

047	btnGroup.add(rdLook[i]);

048

049	panel2.add(rdLook[i]);

050

051

}

052

053	btn = new JButton ("Tombol");

054

055	txt = new JTextField (20);

056

057	panel1.add(btn);

058

059	panel1.add(txt);

060

061	container.add(panel1, BorderLayout.NORTH);

062

063	container.add(panel2, BorderLayout.SOUTH);

064

065	looks = UIManager.getInstalledLookAndFeels();

066

067	setLocationRelativeTo (null);

068

069	setVisible (true);

070

071

}

072

073	private void changeLookAndFeel(int val) {

074

075

try {

076

077	UIManager.setLookAndFeel(looks[val].getClassName());

078

079	SwingUtilities.updateComponentTreeUI(this);

080

081

}

082

083	catch (Exception ex) {

084

085	ex.printStackTrace();

086

087

}

088

089

}

090

091	public static void main (String args[]) {

092

093	LookAndFeelDemo test = new LookAndFeelDemo();

094

095	test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

096

097

}

098

099	private class ItemHandler implements ItemListener {

100

101	public void itemStateChanged (ItemEvent e) {

102

103

//

104

105	for (int i = 0; i < rdLook.length; i++) {

106

107	if (rdLook[i].isSelected()) {

108

109	changeLookAndFeel (i);

110

111

}

112

113

}

114

115

}

116

117

}

118

119

}

Semoga bermanfaat.