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来自 , 2019-03-15, 写在 Java, 查看 143 次.
URL http://www.code666.cn/view/abea47ba
  1. import java.awt.*;
  2. import java.awt.event.*;
  3. import java.text.*;
  4. import java.util.*;
  5. import javax.swing.*;
  6. import javax.swing.border.TitledBorder;
  7.  
  8. public class SimpleExample extends JPanel {
  9.  
  10.   static JFrame frame;
  11.   static Font smallFont;
  12.   static Font mediumFont;
  13.   static Font bigFont;
  14.  
  15.   private ResourceBundle resources;
  16.   private ComponentOrientation co;
  17.  
  18.   private static void applyComponentOrientation(Component c, ComponentOrientation o) {
  19.  
  20.     c.setComponentOrientation(o);
  21.  
  22.     if (c instanceof JMenu) {
  23.       JMenu menu = (JMenu)c;
  24.       int ncomponents = menu.getMenuComponentCount();
  25.       for (int i = 0 ; i < ncomponents ; ++i) {
  26.         applyComponentOrientation( menu.getMenuComponent(i), o );
  27.       }
  28.     } else if (c instanceof Container) {
  29.       Container container = (Container)c;
  30.       int ncomponents = container.getComponentCount();
  31.       for (int i = 0 ; i < ncomponents ; ++i) {
  32.         applyComponentOrientation( container.getComponent(i), o );
  33.       }
  34.     }
  35.   }
  36.  
  37.   private void loadResources() {
  38.     try {
  39.       resources = ResourceBundle.getBundle("resources.Simple",
  40.                         Locale.getDefault());
  41.     } catch (MissingResourceException mre) {
  42.       mre.printStackTrace();
  43.       System.exit(1);
  44.     }
  45.   }
  46.  
  47.   private static JFrame getFrame() {
  48.     return frame;
  49.   }
  50.  
  51.   public SimpleExample() {
  52.  
  53.     // Load our resource bundle
  54.     loadResources();
  55.  
  56.     JRadioButton oneButton, twoButton, threeButton;
  57.     JButton button;
  58.  
  59.     GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
  60.     ge.getAllFonts();
  61.  
  62.     // Setup the fonts
  63.     smallFont = new Font("Bitstream Cyberbit", Font.PLAIN, 14);
  64.     mediumFont = new Font("Bitstream Cyberbit", Font.PLAIN, 18);
  65.     bigFont = new Font("Bitstream Cyberbit", Font.PLAIN, 20);
  66.  
  67.     co = ComponentOrientation.getOrientation(Locale.getDefault());
  68.  
  69.     setLayout(new BoxLayout(this,BoxLayout.Y_AXIS));
  70.     String language = Locale.getDefault().getLanguage();
  71.  
  72.     // Create the buttons
  73.     button = new JButton(resources.getString("Hello"));
  74.     button.setToolTipText(resources.getString("HelloToolTip"));
  75.     button.setFont(mediumFont);
  76.  
  77.     // Setup the buttons
  78.     oneButton = new JRadioButton(resources.getString("One"));
  79.     oneButton.setFont(mediumFont);
  80.     oneButton.setMnemonic(resources.getString("OneMnemonic").charAt(0));
  81.     oneButton.setHorizontalAlignment(JButton.TRAILING);
  82.     oneButton.setHorizontalTextPosition(JButton.TRAILING);
  83.  
  84.     twoButton = new JRadioButton(resources.getString("Two"));
  85.     twoButton.setFont(mediumFont);
  86.     twoButton.setMnemonic(resources.getString("TwoMnemonic").charAt(0));
  87.     twoButton.setHorizontalAlignment(JButton.TRAILING);
  88.     twoButton.setHorizontalTextPosition(JButton.TRAILING);
  89.  
  90.     threeButton = new JRadioButton(resources.getString("Three"));
  91.     threeButton.setFont(mediumFont);
  92.     threeButton.setMnemonic(resources.getString("ThreeMnemonic").charAt(0));
  93.     threeButton.setHorizontalAlignment(JButton.TRAILING);
  94.     threeButton.setHorizontalTextPosition(JButton.TRAILING);
  95.  
  96.     // Group the radio buttons
  97.     ButtonGroup group = new ButtonGroup();
  98.     group.add(oneButton);
  99.     group.add(twoButton);
  100.     group.add(threeButton);
  101.  
  102.     // Register a listener for the radio buttons
  103.     RadioListener myListener = new RadioListener();
  104.     oneButton.addActionListener(myListener);
  105.     twoButton.addActionListener(myListener);
  106.     threeButton.addActionListener(myListener);
  107.  
  108.     // Setup the button panel
  109.     JPanel buttonPanel = new JPanel();
  110.     buttonPanel.setMaximumSize(new Dimension(Short.MAX_VALUE,100));
  111.     TitledBorder tb = new TitledBorder(resources.getString("Numbers"));
  112.     tb.setTitleFont(smallFont);
  113.     tb.setTitleJustification(
  114.         co.isLeftToRight() ? TitledBorder.LEFT : TitledBorder.RIGHT);
  115.  
  116.     buttonPanel.setBorder(tb);
  117.     buttonPanel.setLayout(new FlowLayout());
  118.     buttonPanel.add(button);
  119.     buttonPanel.add(oneButton);
  120.     buttonPanel.add(twoButton);
  121.     buttonPanel.add(threeButton);
  122.  
  123.     add(buttonPanel, BorderLayout.CENTER);
  124.  
  125.     // Setup the date panel
  126.     JPanel datePanel = new JPanel();
  127.     datePanel.setMaximumSize(new Dimension(Short.MAX_VALUE,100));
  128.     tb = new TitledBorder(resources.getString("Dates"));
  129.     tb.setTitleFont(smallFont);
  130.     tb.setTitleJustification(
  131.         co.isLeftToRight() ? TitledBorder.LEFT : TitledBorder.RIGHT);
  132.  
  133.     datePanel.setBorder(tb);
  134.     datePanel.setLayout(new BoxLayout(datePanel,BoxLayout.X_AXIS));
  135.     datePanel.add(Box.createRigidArea(new Dimension(5,1)));
  136.  
  138.  
  139.     JComboBox months = new JComboBox(dfs.getMonths());
  140.     months.setFont(mediumFont);
  141.  
  142.     String weekDays[] = dfs.getWeekdays();
  143.     JComboBox days = new JComboBox();
  144.     days.setFont(mediumFont);
  145.  
  146.     // Determine what day is the first day of the week
  148.  
  149.     int firstDayOfWeek = cal.getFirstDayOfWeek();
  150.     int dayOfWeek;
  151.  
  152.     for (dayOfWeek = firstDayOfWeek; dayOfWeek < weekDays.length; dayOfWeek++)
  153.       days.addItem(weekDays[dayOfWeek]);
  154.  
  155.     for (dayOfWeek = 0; dayOfWeek < firstDayOfWeek; dayOfWeek++)
  156.       days.addItem(weekDays[dayOfWeek]);
  157.  
  158.     if (!co.isLeftToRight()) {
  159.       datePanel.add(days);
  160.       datePanel.add(Box.createRigidArea(new Dimension(5,1)));
  161.  
  162.       datePanel.add(months);
  163.       datePanel.add(Box.createRigidArea(new Dimension(5,1)));
  164.     } else {
  165.       datePanel.add(months);
  166.       datePanel.add(Box.createRigidArea(new Dimension(5,1)));
  167.  
  168.       datePanel.add(days);
  169.       datePanel.add(Box.createRigidArea(new Dimension(5,1)));
  170.     }
  171.     add(datePanel);
  172.  
  173.     // Setup the formatting panel
  174.     JPanel formatPanel = new JPanel();
  175.     formatPanel.setMaximumSize(new Dimension(Short.MAX_VALUE,100));
  176.     tb = new TitledBorder(resources.getString("Formats"));
  177.     tb.setTitleFont(smallFont);
  178.     tb.setTitleJustification(co.isLeftToRight() ?
  179.           TitledBorder.LEFT : TitledBorder.RIGHT);
  180.  
  181.     formatPanel.setBorder(tb);
  182.     formatPanel.setLayout(new BoxLayout(formatPanel,BoxLayout.X_AXIS));
  183.     formatPanel.add(Box.createRigidArea(new Dimension(5,1)));
  184.  
  185.     double theNumber = 1234.56;
  186.     NumberFormat nFormat = NumberFormat.getInstance();
  187.     NumberFormat cFormat = NumberFormat.getCurrencyInstance();
  188.     NumberFormat pFormat = NumberFormat.getPercentInstance();
  189.     DateFormat dFormat = DateFormat.getDateInstance();
  190.  
  191.     JLabel numberLabel = new JLabel(nFormat.format(theNumber));
  192.     numberLabel.setForeground(Color.black);
  193.     numberLabel.setFont(bigFont);
  194.  
  195.     JLabel percentLabel = new JLabel(pFormat.format(theNumber));
  196.     percentLabel.setForeground(Color.black);
  197.     percentLabel.setFont(bigFont);
  198.  
  199.     JLabel currencyLabel = new JLabel(cFormat.format(theNumber));
  200.     currencyLabel.setForeground(Color.black);
  201.     currencyLabel.setFont(bigFont);
  202.  
  203.     JLabel dateLabel = new JLabel(dFormat.format(new Date()));
  204.     dateLabel.setForeground(Color.black);
  205.     dateLabel.setFont(bigFont);
  206.  
  207.     formatPanel.add(Box.createRigidArea(new Dimension(25,1)));
  208.  
  209.     if (co.isLeftToRight()) {
  210.       formatPanel.add(numberLabel);
  211.       formatPanel.add(Box.createRigidArea(new Dimension(25,1)));
  212.       formatPanel.add(percentLabel);
  213.       formatPanel.add(Box.createRigidArea(new Dimension(25,1)));
  214.       formatPanel.add(currencyLabel);
  215.       formatPanel.add(Box.createRigidArea(new Dimension(25,1)));
  216.       formatPanel.add(dateLabel);
  217.     } else {
  218.       formatPanel.add(dateLabel);
  219.       formatPanel.add(Box.createRigidArea(new Dimension(25,1)));
  220.       formatPanel.add(currencyLabel);
  221.       formatPanel.add(Box.createRigidArea(new Dimension(25,1)));
  222.       formatPanel.add(percentLabel);
  223.       formatPanel.add(Box.createRigidArea(new Dimension(25,1)));
  224.       formatPanel.add(numberLabel);
  225.     }
  226.     formatPanel.add(Box.createRigidArea(new Dimension(25,1)));
  227.  
  228.     add(formatPanel);
  229.   }
  230.  
  231.   public JMenuBar createMenuBar() {
  232.     JMenuBar menuBar = new JMenuBar();
  233.  
  234.     JMenu file =
  235.       (JMenu) menuBar.add(new JMenu(resources.getString("FileMenu")));
  236.     file.setFont(mediumFont);
  237.       file.setMnemonic(resources.getString("FileMenuMnemonic").charAt(0));
  238.  
  239.     JMenuItem exitItem = (JMenuItem)
  240.       file.add(new JMenuItem(resources.getString("FileMenuExit")));
  241.     exitItem.setFont(mediumFont);
  242.       exitItem.setMnemonic(resources.getString("FileMenuExitMnemonic").charAt(0));
  243.     exitItem.addActionListener(new ActionListener() {
  244.         public void actionPerformed(ActionEvent e) {
  245.           System.exit(0);
  246.         }
  247.       });
  248.  
  249.     menuBar.add(new LocaleChanger());
  250.  
  251.     return menuBar;
  252.   }
  253.  
  254.   public void reloadResources() {
  255.     try {
  256.       resources = ResourceBundle.getBundle("resources.Simple", Locale.getDefault());
  257.     } catch (MissingResourceException mre) {
  258.       mre.printStackTrace();
  259.       System.exit(1);
  260.     }
  261.   }
  262.  
  263.   /**
  264.    * An ActionListener that listens to the radio buttons
  265.    */
  266.   class RadioListener implements ActionListener {
  267.     public void actionPerformed(ActionEvent e) {
  268.       String lnfName = e.getActionCommand();
  269.  
  270.       Object[] options = { resources.getString("OK"), resources.getString("CANCEL") };
  271.       Object[] arguments = { new Integer(3), lnfName };
  272.  
  273.       JOptionPane.sho*****tionDialog(null,
  274.       MessageFormat.format(resources.getString("WarningMsg"), arguments),
  275.           resources.getString("WarningTitle"),
  276.           JOptionPane.DEFAULT_OPTION,
  277.           JOptionPane.WARNING_MESSAGE,
  278.           null, options, options[0]);
  279.       try {
  280.       } catch (Exception exc) {
  281.         JRadioButton button = (JRadioButton)e.getSource();
  282.         button.setEnabled(false);
  283.       }
  284.     }
  285.   }
  286.  
  287.   /**
  288.    * A class to change the locale for the application
  289.    */
  290.   class LocaleChanger extends JMenu implements ItemListener {
  291.  
  292.     public LocaleChanger() {
  293.       super();
  294.       setText(resources.getString("LanguageMenu"));
  295.       setFont(mediumFont);
  296.       setMnemonic(resources.getString("LanguageMenuMnemonic").charAt(0));
  297.  
  298.       ButtonGroup langGroup = new ButtonGroup();
  299.       String language = Locale.getDefault().getLanguage();
  300.  
  301.       // Sort the language names according to the rules specific to each locale
  302.       RuleBasedCollator rbc = (RuleBasedCollator)Collator.getInstance();
  303.       ArrayList al = new ArrayList();
  304.       al.add(resources.getString("Arabic"));
  305.       al.add(resources.getString("Chinese"));
  306.       al.add(resources.getString("English"));
  307.       al.add(resources.getString("German"));
  308.       al.add(resources.getString("Italian"));
  309.       al.add(resources.getString("French"));
  310.       al.add(resources.getString("Hebrew"));
  311.       al.add(resources.getString("Japanese"));
  312.       al.add(resources.getString("Russian"));
  313.  
  314.       Collections.sort(al, rbc);
  315.  
  316.       String langName = Locale.getDefault().getDisplayLanguage();
  317.       for (int i = 0; i < al.size(); i++) {
  318.         JRadioButtonMenuItem mi;
  319.         mi = (JRadioButtonMenuItem)
  320.           add(new JRadioButtonMenuItem((String)al.get(i)));
  321.         mi.setFont(mediumFont);
  322.         if (langName.equalsIgnoreCase((String)al.get(i)))
  323.           mi.setSelected(true);
  324.         mi.addItemListener(this);
  325.         langGroup.add(mi);
  326.       }
  327.     }
  328.  
  329.     public void itemStateChanged(ItemEvent e) {
  330.       JRadioButtonMenuItem rb = (JRadioButtonMenuItem) e.getSource();
  331.       if (rb.isSelected()) {
  332.         String selected = rb.getText();
  333.         if (selected.equals(resources.getString("Arabic"))) {
  334.           Locale.setDefault(new Locale("ar", "EG"));
  335.           co = ComponentOrientation.RIGHT_TO_LEFT;
  336.         } else if (selected.equals(resources.getString("English"))) {
  337.           Locale.setDefault(Locale.US);
  338.           co = ComponentOrientation.LEFT_TO_RIGHT;
  339.         } else if (selected.equals(resources.getString("German"))) {
  340.           Locale.setDefault(Locale.GERMANY);
  341.           co = ComponentOrientation.LEFT_TO_RIGHT;
  342.         } else if (selected.equals(resources.getString("Italian"))) {
  343.           Locale.setDefault(Locale.ITALY);
  344.           co = ComponentOrientation.LEFT_TO_RIGHT;
  345.         } else if (selected.equals(resources.getString("French"))) {
  346.           Locale.setDefault(Locale.FRANCE);
  347.           co = ComponentOrientation.LEFT_TO_RIGHT;
  348.         } else if (selected.equals(resources.getString("Hebrew"))) {
  349.           Locale.setDefault(new Locale("iw", "IL"));
  350.           co = ComponentOrientation.RIGHT_TO_LEFT;
  351.         } else if (selected.equals(resources.getString("Chinese"))) {
  352.           Locale.setDefault(Locale.CHINA);
  353.           co = ComponentOrientation.LEFT_TO_RIGHT;
  354.         } else if (selected.equals(resources.getString("Japanese"))) {
  355.           Locale.setDefault(Locale.JAPAN);
  356.           co = ComponentOrientation.LEFT_TO_RIGHT;
  357.         } else if (selected.equals(resources.getString("Russian"))) {
  358.           Locale.setDefault(new Locale("ru", "RU"));
  359.           co = ComponentOrientation.LEFT_TO_RIGHT;
  360.         }
  361.       }
  362.  
  363.       SimpleExample panel = new SimpleExample();
  364.       SimpleExample.frame.setVisible(false);
  365.       SimpleExample.frame.getContentPane().removeAll();
  366.       SimpleExample.frame.setJMenuBar(panel.createMenuBar());
  367.       SimpleExample.frame.getContentPane().add("Center", panel);
  368.       SimpleExample.frame.pack();
  369.       SimpleExample.frame.show();
  370.       applyComponentOrientation(SimpleExample.getFrame(), co);
  371.     }
  372.   }
  373.  
  374.   public static void main(String [] argv) {
  375.  
  376.     SimpleExample panel = new SimpleExample();
  377.  
  378.     frame = new JFrame("Simple Example");
  379.     frame.addWindowListener(new WindowAdapter() {
  380.       public void windowClosing(WindowEvent e) {System.exit(0);}
  381.     });
  382.     frame.setJMenuBar(panel.createMenuBar());
  383.     frame.getContentPane().add("Center", panel);
  384.     frame.pack();
  385.     frame.setVisible(true);
  386.   }
  387. }
  388. //源代码片段来自云代码http://yuncode.net
  389.                        

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