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.
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

008

009	public class LookAndFeelDemo extends JFrame {

010

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

012

013	private UIManager.LookAndFeelInfo lookr[];

014

015	private JRadioButton rdLook[];

016

017	private ButtonGroup btnGroup;

018

019	private JButton btn;

020

021	private JTextField txt;

022

023	private JPanel panel1, panel2;

024

025

026

027	public LookAndFeelDemo () {

028

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

030

031	setSize (400,300);

032

033

034

035	Container container = getContentPane();

036

037	ItemHandler handler = new ItemHandler ();

038

039	panel1 = new JPanel();

040

041	panel2 = new JPanel();

042

043

044

045	btnGroup = new ButtonGroup();

046

047

048

049	rdLook = new JRadioButton [lookName.length];

050

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

052

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

054

055	rdLook[i].addItemListener(handler);

056

057	btnGroup.add(rdLook[i]);

058

059	panel2.add(rdLook[i]);

060

061

}

062

063

064

065	btn = new JButton ("Tombol");

066

067	txt = new JTextField (20);

068

069

070

071	panel1.add(btn);

072

073	panel1.add(txt);

074

075

076

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

078

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

080

081

082

083	looks = UIManager.getInstalledLookAndFeels();

084

085

086

087	setLocationRelativeTo (null);

088

089	setVisible (true);

090

091

}

092

093

094

095	private void changeLookAndFeel(int val) {

096

097

try {

098

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

100

101	SwingUtilities.updateComponentTreeUI(this);

102

103

}

104

105	catch (Exception ex) {

106

107	ex.printStackTrace();

108

109

}

110

111

}

112

113

114

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

116

117	LookAndFeelDemo test = new LookAndFeelDemo();

118

119	test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

120

121

}

122

123

124

125	private class ItemHandler implements ItemListener {

126

127	public void itemStateChanged (ItemEvent e) {

128

129

//

130

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

132

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

134

135	changeLookAndFeel (i);

136

137

}

138

139

}

140

141

}

142

143

}

144

145

}

Semoga bermanfaat.