91 lines
2.7 KiB
Java
91 lines
2.7 KiB
Java
// ui/LookAndFeel.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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// Selecting different looks & feels.
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// {Args: motif}
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import javax.swing.*;
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import java.awt.*;
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import java.util.*;
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import static onjava.SwingConsole.*;
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public class LookAndFeel extends JFrame {
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private String[] choices =
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"Eeny Meeny Minnie Mickey Moe Larry Curly"
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.split(" ");
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private Component[] samples = {
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new JButton("JButton"),
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new JTextField("JTextField"),
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new JLabel("JLabel"),
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new JCheckBox("JCheckBox"),
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new JRadioButton("Radio"),
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new JComboBox<>(choices),
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new JList<>(choices),
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};
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private static
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Map<String,String> optionMap = new HashMap<>();
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private static String options = "";
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public LookAndFeel() {
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super("Look And Feel");
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setLayout(new FlowLayout());
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for(Component component : samples)
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add(component);
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}
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public static void initOptions() {
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if(optionMap.isEmpty()) {
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UIManager.LookAndFeelInfo[] lafi =
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UIManager.getInstalledLookAndFeels();
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for(UIManager.LookAndFeelInfo lf : lafi) {
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String classname = lf.getClassName();
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String[] parts = classname.split("\\.");
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String option = parts[parts.length - 2];
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optionMap.put(option, classname);
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}
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for(String option : optionMap.keySet())
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options += option + " | ";
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options =
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options.substring(0, options.length() - 3);
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options = "cross | system | " + options;
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}
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}
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private static void usageError() {
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System.out.println(
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"Usage:LookAndFeel [ " + options + " ]");
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System.exit(1);
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}
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public static void main(String[] args) {
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initOptions();
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if(args.length == 0) usageError();
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try {
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switch(args[0]) {
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case "cross":
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UIManager.setLookAndFeel(UIManager.
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getCrossPlatformLookAndFeelClassName());
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break;
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case "system":
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UIManager.setLookAndFeel(UIManager.
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getSystemLookAndFeelClassName());
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break;
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case "motif":
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UIManager.setLookAndFeel("com.sun.java."+
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"swing.plaf.motif.MotifLookAndFeel");
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break;
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default:
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if(optionMap.containsKey(args[0]))
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UIManager.setLookAndFeel(
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optionMap.get(args[0]));
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else
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usageError();
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}
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} catch(ClassNotFoundException |
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InstantiationException |
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IllegalAccessException |
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UnsupportedLookAndFeelException e) {
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usageError();
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}
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// Note the look & feel must be set before
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// any components are created.
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run(new LookAndFeel(), 300, 300);
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}
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}
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