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/*
Author: Pieter du Plessis
Date: 2018/06/01
Description:
Small program to show different component with the available LookAndFeel's on the system.
// Command Prompt - jar cfve LookAndFeel.jar LookAndFeel LookAndFeel.class
*/
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class LookAndFeel implements ActionListener, ItemListener {
//Class Variables - For Action Events and Item Listener Events methods to action.
JFrame frame = new JFrame("Showcase Available Look & Feel");
JButton btn = new JButton("I show a Popup");
JButton progressBar = new JButton("Progress Bar");
JButton slider = new JButton("Slider");
JButton radioButton = new JButton("Radio Buttons");
JButton checkBoxes = new JButton("Check Boxes");
JComboBox combo = new JComboBox();
JMenuItem sub1_1 = new JMenuItem("Error Message");
JMenuItem sub1_2 = new JMenuItem("Information Message");
JMenuItem sub1_3 = new JMenuItem("Plain Message");
JMenuItem sub1_4 = new JMenuItem("Question Message");
JMenuItem sub1_5 = new JMenuItem("Warning Message");
JMenuItem sub2_1 = new JMenuItem("Error Message");
JMenuItem sub2_2 = new JMenuItem("Information Message");
JMenuItem sub2_3 = new JMenuItem("Plain Message");
JMenuItem sub2_4 = new JMenuItem("Question Message");
JMenuItem sub2_5 = new JMenuItem("Warning Message");
JMenuItem sub3_1 = new JMenuItem("Error Message");
JMenuItem sub3_2 = new JMenuItem("Information Message");
JMenuItem sub3_3 = new JMenuItem("Plain Message");
JMenuItem sub3_4 = new JMenuItem("Question Message");
JMenuItem sub3_5 = new JMenuItem("Warning Message");
JMenuItem sub4_1 = new JMenuItem("Error Message");
JMenuItem sub4_2 = new JMenuItem("Information Message");
JMenuItem sub4_3 = new JMenuItem("Plain Message");
JMenuItem sub4_4 = new JMenuItem("Question Message");
JMenuItem sub4_5 = new JMenuItem("Warning Message");
//Set Class Variable with LookAndFeel that is available on the system the program runs on.
UIManager.LookAndFeelInfo[] laf = UIManager.getInstalledLookAndFeels();
LookAndFeel() {
frame.setBounds(200, 200, 600, 600);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Add available LookAndFeel's to Array for the ComboBox
for (int i=0;i < laf.length; i++) {
combo.addItem(laf[i].getName());
}
// Create and add options to MenuBar
JMenuBar myMenuBar = new JMenuBar();
JMenu myMenu = new JMenu("Dialog Boxes");
JMenuItem myMenuItem = new JMenuItem("My Menu Item (Tooltip)");
myMenuItem.setToolTipText("This button does nothing");
JMenu subMenu1 = new JMenu("Confirm Dialog");
JMenu subMenu2 = new JMenu("Input Dialog");
JMenu subMenu3 = new JMenu("Message Dialog");
JMenu subMenu4 = new JMenu("Option Dialog");
subMenu1.add(sub1_1);
subMenu1.add(sub1_2);
subMenu1.add(sub1_3);
subMenu1.add(sub1_4);
subMenu1.add(sub1_5);
subMenu2.add(sub2_1);
subMenu2.add(sub2_2);
subMenu2.add(sub2_3);
subMenu2.add(sub2_4);
subMenu2.add(sub2_5);
subMenu3.add(sub3_1);
subMenu3.add(sub3_2);
subMenu3.add(sub3_3);
subMenu3.add(sub3_4);
subMenu3.add(sub3_5);
subMenu4.add(sub4_1);
subMenu4.add(sub4_2);
subMenu4.add(sub4_3);
subMenu4.add(sub4_4);
subMenu4.add(sub4_5);
myMenu.add(myMenuItem);
myMenu.add(subMenu1);
myMenu.add(subMenu2);
myMenu.add(subMenu3);
myMenu.add(subMenu4);
myMenuBar.add(myMenu);
// Create and add components to the ToolBar
JToolBar bar = new JToolBar();
bar.add(progressBar);
bar.add(slider);
bar.add(new JToolBar.Separator());
bar.add(radioButton);
bar.add(checkBoxes);
bar.add(combo);
// Create components for first panel
JTextField txtFld = new JTextField("Hello world");
JTextArea txtArea = new JTextArea(10, 30);
JScrollPane sp = new JScrollPane(txtArea);
for (int i=0;i<laf.length;i++) {
txtArea.append("Name: "+laf[i].getName()+"\n");
txtArea.append("Class Name: "+laf[i].getClassName()+"\n");
txtArea.append("\n");
}
txtArea.append("This is an JTextArea field\n\n\n\n\n\nAlmost like and text editor\n\n\n\n\n\n");
// Add Action Listeners to Components
btn.addActionListener(this);
progressBar.addActionListener(this);
slider.addActionListener(this);
radioButton.addActionListener(this);
checkBoxes.addActionListener(this);
combo.addItemListener(this);
sub1_1.addActionListener(this);
sub1_2.addActionListener(this);
sub1_3.addActionListener(this);
sub1_4.addActionListener(this);
sub1_5.addActionListener(this);
sub2_1.addActionListener(this);
sub2_2.addActionListener(this);
sub2_3.addActionListener(this);
sub2_4.addActionListener(this);
sub2_5.addActionListener(this);
sub3_1.addActionListener(this);
sub3_2.addActionListener(this);
sub3_3.addActionListener(this);
sub3_4.addActionListener(this);
sub3_5.addActionListener(this);
sub4_1.addActionListener(this);
sub4_2.addActionListener(this);
sub4_3.addActionListener(this);
sub4_4.addActionListener(this);
sub4_5.addActionListener(this);
// Add items to the main panel to display most of the components
JPanel panel = new JPanel();
panel.add(txtFld);
panel.add(btn);
panel.add(sp);
// Add components to the frame
frame.setJMenuBar(myMenuBar);
frame.add(BorderLayout.NORTH, bar);
frame.add(BorderLayout.SOUTH, panel);
frame.pack();
frame.setVisible(true);
}
public void actionPerformed(ActionEvent evt) {
// Action Event for Clicking on the Buttonss
Object source = evt.getSource();
if (source.equals(btn)) {
// Display plain popup
JOptionPane.showMessageDialog(null, "This is an PopUp");
} else if (source.equals(progressBar)) {
// Display Progress Bar at 45 percent
JProgressBar pb = new JProgressBar();
pb.setValue(45);
pb.setStringPainted(true);
JOptionPane.showMessageDialog(null, pb);
} else if (source.equals(slider)) {
// Display Slider
JSlider slide = new JSlider(JSlider.HORIZONTAL, -50, 50, 0);
slide.setMajorTickSpacing(20);
slide.setMinorTickSpacing(5);
slide.setPaintTicks(true);
slide.setPaintLabels(true);
JOptionPane.showMessageDialog(null, slide);
} else if (source.equals(radioButton)) {
// Display Grouped Radio Button on a Panel
JPanel pnl = new JPanel();
ButtonGroup bg = new ButtonGroup();
JRadioButton rb1 = new JRadioButton("Button one", true);
JRadioButton rb2 = new JRadioButton("Button two", false);
bg.add(rb1);
bg.add(rb2);
pnl.add(rb1);
pnl.add(rb2);
JOptionPane.showMessageDialog(null, pnl);
} else if (source.equals(checkBoxes)) {
// Display Check Boxes on a Panel
JPanel pnl = new JPanel();
JCheckBox cb1 = new JCheckBox("Extra Cheese", true);
JCheckBox cb2 = new JCheckBox("Extra Meat", false);
pnl.add(cb1);
pnl.add(cb2);
JOptionPane.showMessageDialog(null, pnl);
} else if (source.equals(sub1_1)) {
int val = JOptionPane.showConfirmDialog(null, "Confirm dialog showing error message with yes no cancel options", "Confirm Dialog Error Message", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.ERROR_MESSAGE);
if (val == JOptionPane.YES_OPTION) {
JOptionPane.showMessageDialog(null, "Yes Option was selected");
} else if (val == JOptionPane.NO_OPTION) {
JOptionPane.showMessageDialog(null, "No Option was selected");
}
} else if (source.equals(sub1_2)) {
int val = JOptionPane.showConfirmDialog(null, "Confirm dialog showing information message with yes no cancel options", "Confirm Dialog Information Message", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.INFORMATION_MESSAGE);
if (val == JOptionPane.YES_OPTION) {
JOptionPane.showMessageDialog(null, "Yes Option was selected");
} else if (val == JOptionPane.NO_OPTION) {
JOptionPane.showMessageDialog(null, "No Option was selected");
}
} else if (source.equals(sub1_3)) {
int val = JOptionPane.showConfirmDialog(null, "Confirm dialog showing plain message with yes no cancel options", "Confirm Dialog Plain Message", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);
if (val == JOptionPane.YES_OPTION) {
JOptionPane.showMessageDialog(null, "Yes Option was selected");
} else if (val == JOptionPane.NO_OPTION) {
JOptionPane.showMessageDialog(null, "No Option was selected");
}
} else if (source.equals(sub1_4)) {
int val = JOptionPane.showConfirmDialog(null, "Confirm dialog showing question message with yes no cancel options", "Confirm Dialog Question Message", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE);
if (val == JOptionPane.YES_OPTION) {
JOptionPane.showMessageDialog(null, "Yes Option was selected");
} else if (val == JOptionPane.NO_OPTION) {
JOptionPane.showMessageDialog(null, "No Option was selected");
}
} else if (source.equals(sub1_5)) {
int val = JOptionPane.showConfirmDialog(null, "Confirm dialog showing warning message with yes no cancel options", "Confirm Dialog Warning Message", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE);
if (val == JOptionPane.YES_OPTION) {
JOptionPane.showMessageDialog(null, "Yes Option was selected");
} else if (val == JOptionPane.NO_OPTION) {
JOptionPane.showMessageDialog(null, "No Option was selected");
}
} else if (source.equals(sub2_1)) {
String val = JOptionPane.showInputDialog(null, "Enter something:", "Input Something - Error", JOptionPane.ERROR_MESSAGE);
if (val == null) {
JOptionPane.showMessageDialog(null, "Operation cancelled");
} else if (val.length() == 0) {
JOptionPane.showMessageDialog(null, "You have not entered anything");
} else if (val != null) {
JOptionPane.showMessageDialog(null, "You have entered: "+val);
}
} else if (source.equals(sub2_2)) {
String val = JOptionPane.showInputDialog(null, "Enter something:", "Input Something - Information", JOptionPane.INFORMATION_MESSAGE);
if (val == null) {
JOptionPane.showMessageDialog(null, "Operation cancelled");
} else if (val.length() == 0) {
JOptionPane.showMessageDialog(null, "You have not entered anything");
} else if (val != null) {
JOptionPane.showMessageDialog(null, "You have entered: "+val);
}
} else if (source.equals(sub2_3)) {
String val = JOptionPane.showInputDialog(null, "Enter something:", "Input Something - Plain", JOptionPane.PLAIN_MESSAGE);
if (val == null) {
JOptionPane.showMessageDialog(null, "Operation cancelled");
} else if (val.length() == 0) {
JOptionPane.showMessageDialog(null, "You have not entered anything");
} else if (val != null) {
JOptionPane.showMessageDialog(null, "You have entered: "+val);
}
} else if (source.equals(sub2_4)) {
String val = JOptionPane.showInputDialog(null, "Enter something:", "Input Something - Question", JOptionPane.QUESTION_MESSAGE);
if (val == null) {
JOptionPane.showMessageDialog(null, "Operation cancelled");
} else if (val.length() == 0) {
JOptionPane.showMessageDialog(null, "You have not entered anything");
} else if (val != null) {
JOptionPane.showMessageDialog(null, "You have entered: "+val);
}
} else if (source.equals(sub2_5)) {
String val = JOptionPane.showInputDialog(null, "Enter something:", "Input Something - Warning", JOptionPane.WARNING_MESSAGE);
if (val == null) {
JOptionPane.showMessageDialog(null, "Operation cancelled");
} else if (val.length() == 0) {
JOptionPane.showMessageDialog(null, "You have not entered anything");
} else if (val != null) {
JOptionPane.showMessageDialog(null, "You have entered: "+val);
}
} else if (source.equals(sub3_1)) {
JOptionPane.showMessageDialog(null, "There is no message", "Message Dialog - Error", JOptionPane.ERROR_MESSAGE);
} else if (source.equals(sub3_2)) {
JOptionPane.showMessageDialog(null, "There is no message", "Message Dialog - Information", JOptionPane.INFORMATION_MESSAGE);
} else if (source.equals(sub3_3)) {
JOptionPane.showMessageDialog(null, "There is no message", "Message Dialog - Plain", JOptionPane.PLAIN_MESSAGE);
} else if (source.equals(sub3_4)) {
JOptionPane.showMessageDialog(null, "There is no message", "Message Dialog - Question", JOptionPane.QUESTION_MESSAGE);
} else if (source.equals(sub3_5)) {
JOptionPane.showMessageDialog(null, "There is no message", "Message Dialog - Warning", JOptionPane.WARNING_MESSAGE);
} else if (source.equals(sub4_1)) {
JPanel panel = new JPanel();
JLabel label = new JLabel("Select Something:");
String[] data = new String[]{"Option 1", "Option 2", "Option 3"};
JComboBox combo = new JComboBox(data);
panel.add(label);
panel.add(combo);
int val = JOptionPane.showOptionDialog(null, panel, "Select Something - Error Message", JOptionPane.YES_NO_OPTION, JOptionPane.ERROR_MESSAGE, null, null, null);
if (val == JOptionPane.YES_OPTION) {
JOptionPane.showMessageDialog(null, "Yes selected on option: "+combo.getSelectedItem());
} else if (val == JOptionPane.NO_OPTION) {
JOptionPane.showMessageDialog(null, "No selected");
} else {
JOptionPane.showMessageDialog(null, "NOTHING!!!");
}
} else if (source.equals(sub4_2)) {
JPanel panel = new JPanel();
ButtonGroup bg = new ButtonGroup();
JRadioButton rb1 = new JRadioButton("Male", false);
JRadioButton rb2 = new JRadioButton("Female", false);
bg.add(rb1);
bg.add(rb2);
panel.add(rb1);
panel.add(rb2);
String[] options = new String[]{"Accept Selection", "Decline Selection"};
int val = JOptionPane.showOptionDialog(null, panel, "Male/Female Selection - Information Message", 0, JOptionPane.INFORMATION_MESSAGE, null, options, options[1]);
if (val == 0) {
if (rb1.isSelected() == true) {
JOptionPane.showMessageDialog(null, "Male was selected");
} else if (rb2.isSelected() == true) {
JOptionPane.showMessageDialog(null, "Female was selected");
} else {
JOptionPane.showMessageDialog(null, "Nothing was selected");
}
} else if (val == 1) {
JOptionPane.showMessageDialog(null, "This selection was declined");
} else if (val == -1) {
JOptionPane.showMessageDialog(null, "This operation was closed");
}
} else if (source.equals(sub4_3)) {
String[] options = new String[]{"Dog", "Cat", "Bird", "Fish", "Other"};
int val = JOptionPane.showOptionDialog(null, "What is you favourite pet?", "Favourite Pet", 0, JOptionPane.PLAIN_MESSAGE, null, options, null);
if (val < 0) {
JOptionPane.showMessageDialog(null, "Operation closed!!!");
} else {
JOptionPane.showMessageDialog(null, "You have selected '"+options[val]+"' as your favourite pet");
}
} else if (source.equals(sub4_4)) {
String[] options = new String[]{"Pizza", "Pasta", "Burger", "Steak", "Salad", "Other"};
int val = JOptionPane.showOptionDialog(null, "What is you favourite food?", "Favourite Food", 0, JOptionPane.QUESTION_MESSAGE, null, options, null);
if (val < 0) {
JOptionPane.showMessageDialog(null, "Operation closed!!!");
} else {
JOptionPane.showMessageDialog(null, "You have selected '"+options[val]+"' as your favourite food");
}
} else if (source.equals(sub4_5)) {
String[] options = new String[]{"Rugby", "Netbal", "Soccer", "Hockey", "Tennis", "Chess", "Other"};
int val = JOptionPane.showOptionDialog(null, "What is you favourite sport?", "Favourite Sport", 0, JOptionPane.WARNING_MESSAGE, null, options, null);
if (val < 0) {
JOptionPane.showMessageDialog(null, "Operation closed!!!");
} else {
JOptionPane.showMessageDialog(null, "You have selected '"+options[val]+"' as your favourite sport");
}
}
}
public void itemStateChanged(ItemEvent e) {
// Item State changed for Combo Box
Object source = e.getSource();
if (source.equals(combo)) {
try {
// Get selected LookAndFeel and set as current updating components
UIManager.setLookAndFeel(laf[combo.getSelectedIndex()].getClassName());
SwingUtilities.updateComponentTreeUI(frame);
frame.pack();
} catch (Exception a) {
System.out.println("There was an error setting look and feel");
}
}
}
public static void main(String[] args) {
// Run the program
new LookAndFeel();
}
}
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