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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/examples/gnu/classpath/examples/swing/Demo.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/examples/gnu/classpath/examples/swing/Demo.java | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/examples/gnu/classpath/examples/swing/Demo.java b/gcc-4.4.3/libjava/classpath/examples/gnu/classpath/examples/swing/Demo.java new file mode 100644 index 000000000..3c7f0b887 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/examples/gnu/classpath/examples/swing/Demo.java @@ -0,0 +1,629 @@ +/* SwingDemo.java -- An example of using the javax.swing UI. + Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath examples. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. +*/ + + +package gnu.classpath.examples.swing; + +import gnu.classpath.examples.java2d.JNIOverhead; + +import java.awt.*; +import java.awt.event.*; + +import javax.swing.*; + +import javax.swing.plaf.basic.BasicLookAndFeel; +import javax.swing.plaf.metal.DefaultMetalTheme; +import javax.swing.plaf.metal.MetalLookAndFeel; +import javax.swing.plaf.metal.MetalTheme; +import javax.swing.plaf.metal.OceanTheme; + +import java.lang.reflect.Method; +import java.net.URL; + +public class Demo +{ + JFrame frame; + + /** + * The main desktop. This is package private to avoid synthetic accessor + * method. + */ + JDesktopPane desktop; + + /** + * The themes menu. This is implemented as a field so that the L&F switcher + * can disable the menu when a non-Metal L&F is selected. + */ + JMenu themesMenu; + + static Color blueGray = new Color(0xdc, 0xda, 0xd5); + + private static Icon stockIcon(String s) + { + return getIcon("/gnu/classpath/examples/icons/stock-" + s + ".png", s); + } + + static Icon bigStockIcon(String s) + { + return getIcon("/gnu/classpath/examples/icons/big-" + s + ".png", s); + } + + static Icon getIcon(String location, String name) + { + URL url = Demo.class.getResource(location); + if (url == null) System.err.println("WARNING " + location + " not found."); + return new ImageIcon(url, name); + } + + private JMenuBar mkMenuBar() + { + JMenuBar bar = new JMenuBar(); + + JMenu file = new JMenu("File"); + JMenu edit = new JMenu("Edit"); + JMenu help = new JMenu("Help"); + + file.setMnemonic(KeyEvent.VK_F); + edit.setMnemonic(KeyEvent.VK_E); + help.setMnemonic(KeyEvent.VK_H); + + file.add(new JMenuItem("New", stockIcon("new"))); + file.add(new JMenuItem("Open", stockIcon("open"))); + + JMenu recent = new JMenu("Recent Files..."); + recent.add(new JMenuItem("war-and-peace.txt")); + recent.add(new JMenuItem("taming-of-shrew.txt")); + recent.add(new JMenuItem("sun-also-rises.txt")); + file.add(recent); + file.add(new JMenuItem("Save", stockIcon("save"))); + file.add(new JMenuItem("Save as...", stockIcon("save-as"))); + + JMenuItem exit = new JMenuItem("Exit", stockIcon("quit")); + exit.addActionListener(new ActionListener() + { + public void actionPerformed(ActionEvent e) + { + System.exit(1); + } + }); + + file.add(exit); + + edit.add(new JMenuItem("Cut", stockIcon("cut"))); + edit.add(new JMenuItem("Copy", stockIcon("copy"))); + edit.add(new JMenuItem("Paste", stockIcon("paste"))); + + JMenu preferences = new JMenu("Preferences..."); + preferences.add(new JCheckBoxMenuItem("Microphone Active", + stockIcon("mic"))); + preferences.add(new JCheckBoxMenuItem("Check Spelling", + stockIcon("spell-check"))); + preferences.add(new JCheckBoxMenuItem("World Peace")); + preferences.add(new JSeparator()); + preferences.add(new JRadioButtonMenuItem("Radio Button")); + edit.add(preferences); + + JMenu examples = new JMenu("Examples"); + examples.add(new JMenuItem(new PopupAction("Buttons", + ButtonDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("Slider", + SliderDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("ProgressBar", + ProgressBarDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("Scrollbar", + ScrollBarDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("Spinner", + SpinnerDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("TextField", + TextFieldDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("TextArea", + TextAreaDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("FileChooser", + FileChooserDemo.createDemoFactory()))); + + examples.add(new JMenuItem(new PopupAction("ComboBox", + ComboBoxDemo.createDemoFactory()))); + + examples.add(new JMenuItem(new PopupAction("Table", + TableDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("List", + ListDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("TabbedPane", + TabbedPaneDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("Tree", + TreeDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("Theme Editor", + MetalThemeEditor.createDemoFactory()))); + + examples.add(new JMenuItem(new PopupAction("DocumentFilter", + DocumentFilterDemo.createDemoFactory()))); + + examples.add(new JMenuItem(new PopupAction("NavigationFilter", + NavigationFilterDemo.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("JNI Overhead", + JNIOverhead.createDemoFactory()))); + examples.add(new JMenuItem(new PopupAction("HTML Demo", + HtmlDemo.createDemoFactory()))); + + + final JMenuItem vmMenu; + + help.add(new JMenuItem("just play with the widgets")); + help.add(new JMenuItem("and enjoy the sensation of")); + help.add(new JMenuItem("your neural connections growing")); + help.add(new JSeparator()); + help.add(vmMenu = new JMenuItem("Really, which VM is this running on?")); + vmMenu.addActionListener(new ActionListener() + { + public void actionPerformed(ActionEvent ae) + { + String message = "This is " + + System.getProperty("java.vm.name") + + " Version " + + System.getProperty("java.vm.version") + + " distributed by " + + System.getProperty("java.vm.vendor") + + "."; + + String gnuClasspath = System.getProperty("gnu.classpath.version"); + if(gnuClasspath != null) + message += "\nThe runtime's libraries are " + + "kindly provided by the " + + "members of GNU Classpath and are in version " + + gnuClasspath + "."; + + JOptionPane.showMessageDialog(vmMenu, message); + } + }); + + // Installs the BasicLookAndFeel. + UIManager.installLookAndFeel("(Basic Look And Feel)", + InstantiableBasicLookAndFeel.class.getName()); + + // Create L&F menu. + JMenu lafMenu = new JMenu("Look and Feel"); + ButtonGroup lafGroup = new ButtonGroup(); + UIManager.LookAndFeelInfo[] lafs = UIManager.getInstalledLookAndFeels(); + String currentLaf = UIManager.getLookAndFeel().getClass().getName(); + for (int i = 0; i < lafs.length; ++i) + { + UIManager.LookAndFeelInfo laf = lafs[i]; + ChangeLAFAction action = new ChangeLAFAction(laf); + JRadioButtonMenuItem lafItem = new JRadioButtonMenuItem(action); + boolean selected = laf.getClassName().equals(currentLaf); + lafItem.setSelected(selected); + lafMenu.add(lafItem); + + lafGroup.add(lafItem); + } + + // Create themes menu. + themesMenu = new JMenu("Themes"); + ButtonGroup themesGroup = new ButtonGroup(); + + // In order to make the demo runable on a 1.4 type VM we have to avoid calling + // MetalLookAndFeel.getCurrentTheme(). We simply check whether this method exists + // and is public. + Method m = null; + try + { + m = MetalLookAndFeel.class.getMethod("getCurrentTheme", null); + } + catch (NoSuchMethodException nsme) + { + // Ignore it. + } + + if (m != null) + { + JRadioButtonMenuItem ocean = + new JRadioButtonMenuItem(new ChangeThemeAction(new OceanTheme())); + ocean.setSelected(MetalLookAndFeel.getCurrentTheme() instanceof OceanTheme); + themesMenu.add(ocean); + themesGroup.add(ocean); + + JRadioButtonMenuItem steel = + new JRadioButtonMenuItem(new ChangeThemeAction(new DefaultMetalTheme())); + ocean.setSelected(MetalLookAndFeel.getCurrentTheme() + instanceof DefaultMetalTheme); + themesMenu.add(steel); + themesGroup.add(steel); + } + else + { + themesMenu.setEnabled(false); + } + + bar.add(file); + bar.add(edit); + bar.add(examples); + bar.add(lafMenu); + bar.add(themesMenu); + bar.add(help); + return bar; + } + + private static void triggerDialog(final JButton but, final String dir) + { + but.addActionListener(new ActionListener() + { + public void actionPerformed(ActionEvent e) + { + JOptionPane.showConfirmDialog(but, + "Sure you want to go " + dir + "?", + "Confirm", + JOptionPane.OK_CANCEL_OPTION, + JOptionPane.QUESTION_MESSAGE, + bigStockIcon("warning")); + } + }); + } + + static JToolBar mkToolBar() + { + JToolBar bar = new JToolBar(); + + JButton b = mkButton(stockIcon("go-back")); + triggerDialog(b, "back"); + bar.add(b); + + b = mkButton(stockIcon("go-down")); + triggerDialog(b, "down"); + bar.add(b); + + b = mkButton(stockIcon("go-forward")); + triggerDialog(b, "forward"); + bar.add(b); + return bar; + } + + static String halign2str(int a) + { + switch (a) + { + case SwingConstants.CENTER: + return "Center"; + case SwingConstants.RIGHT: + return "Right"; + case SwingConstants.LEFT: + return "Left"; + default: + return "Unknown"; + } + } + + private static JButton mkButton(String title, Icon icon, + int hAlign, int vAlign, + int hPos, int vPos) + { + JButton b; + if (icon == null) + b = new JButton(title); + else if (title == null) + b = new JButton(icon); + else + b = new JButton(title, icon); + + b.setToolTipText(title); + if (hAlign != -1) b.setHorizontalAlignment(hAlign); + if (vAlign != -1) b.setVerticalAlignment(vAlign); + if (hPos != -1) b.setHorizontalTextPosition(hPos); + if (vPos != -1) b.setVerticalTextPosition(vPos); + return b; + } + + static JButton mkButton(String title) + { + return mkButton(title, null, -1, -1, -1, -1); + } + + static JButton mkButton(Icon i) + { + return mkButton(null, i, -1, -1, -1, -1); + } + + public Demo() + { + frame = new JFrame("Swing Activity Board"); + frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); + frame.setJMenuBar(mkMenuBar()); + JComponent component = (JComponent) frame.getContentPane(); + component.setLayout(new BorderLayout()); + component.add(mkToolBar(), BorderLayout.NORTH); + JPanel main = new JPanel(); + main.setLayout(new BoxLayout(main, BoxLayout.Y_AXIS)); + desktop = createDesktop(); + main.add(desktop); + main.add(mkButtonBar()); + component.add(main, BorderLayout.CENTER); + frame.pack(); + frame.show(); + } + + public static class LaterMain + implements Runnable + { + public void run() + { + new Demo(); + } + } + + public static void main(String args[]) + { + SwingUtilities.invokeLater(new LaterMain()); + } + + private static JButton mkBigButton(String title) + { + JButton b = new JButton(title); + b.setMargin(new Insets(5,5,5,5)); + return b; + } + + static JButton mkDisposerButton(final JFrame c) + { + JButton close = mkBigButton("Close"); + close.addActionListener(new ActionListener() + { + public void actionPerformed(ActionEvent e) + { + c.dispose(); + } + }); + return close; + } + + public static JColorChooser mkColorChooser() + { + return new JColorChooser(); + } + + /** + * This action brings up a new Window with the specified content. + */ + private class PopupAction + extends AbstractAction + { + /** + * The component to be shown. + */ + private DemoFactory demoFactory; + + /** + * Creates a new PopupAction with the specified name and showing the + * component created by the specified DemoFactory when activated. + * + * @param n the name of the action + * @param factory the demo factory + */ + PopupAction(String n, DemoFactory factory) + { + putValue(NAME, n); + demoFactory = factory; + } + + /** + * Brings up the new window showing the component stored in the + * constructor. + * + * @param e the action event that triggered the action + */ + public void actionPerformed(ActionEvent e) + { + JInternalFrame frame = new JInternalFrame((String) getValue(NAME)); + frame.setClosable(true); + frame.setIconifiable(true); + frame.setMaximizable(true); + frame.setResizable(true); + frame.setContentPane(demoFactory.createDemo()); + frame.pack(); + desktop.add(frame); + frame.setVisible(true); + } + } + + private JPanel mkButtonBar() + { + JPanel panel = new JPanel(new GridLayout(3, 1, 5, 5)); + panel.add(new JButton(new PopupAction("Buttons", + ButtonDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("Slider", + SliderDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("ProgressBar", + ProgressBarDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("ScrollBar", + ScrollBarDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("Spinner", + SpinnerDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("TextField", + TextFieldDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("TextArea", + TextAreaDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("FileChooser", + FileChooserDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("ComboBox", + ComboBoxDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("Table", + TableDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("List", + ListDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("TabbedPane", + TabbedPaneDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("Tree", + TreeDemo.createDemoFactory()))); + panel.add(new JButton(new PopupAction("Theme Editor", + MetalThemeEditor.createDemoFactory()))); + panel.add(new JButton(new PopupAction("JNI Overhead", + JNIOverhead.createDemoFactory()))); + panel.add(new JButton(new PopupAction("HTML", + HtmlDemo.createDemoFactory()))); + + JButton exitDisposer = mkDisposerButton(frame); + panel.add(exitDisposer); + + panel.setMaximumSize(new Dimension(Integer.MAX_VALUE, + panel.getPreferredSize().height)); + exitDisposer.addActionListener(new ActionListener() + { + public void actionPerformed(ActionEvent e) + { + System.exit(1); + } + }); + return panel; + } + + /** + * Creates and returns the main desktop. + * + * @return the main desktop + */ + private JDesktopPane createDesktop() + { + JDesktopPane d = new DemoDesktop(); + d.setPreferredSize(new Dimension(900, 500)); + return d; + } + + /** + * This Action is used to switch Metal themes. + */ + class ChangeThemeAction extends AbstractAction + { + /** + * The theme to switch to. + */ + MetalTheme theme; + + /** + * Creates a new ChangeThemeAction for the specified theme. + * + * @param t the theme to switch to + */ + ChangeThemeAction(MetalTheme t) + { + theme = t; + putValue(NAME, t.getName()); + } + + /** + * Changes the theme to the one specified in the constructor. + * + * @param event the action event that triggered this action + */ + public void actionPerformed(ActionEvent event) + { + MetalLookAndFeel.setCurrentTheme(theme); + try + { + // Only switch theme if we have a metal L&F. It is still necessary + // to install a new MetalLookAndFeel instance. + if (UIManager.getLookAndFeel() instanceof MetalLookAndFeel) + UIManager.setLookAndFeel(new MetalLookAndFeel()); + } + catch (UnsupportedLookAndFeelException ex) + { + ex.printStackTrace(); + } + SwingUtilities.updateComponentTreeUI(frame); + } + + } + + /** + * This Action is used to switch Metal themes. + */ + class ChangeLAFAction extends AbstractAction + { + /** + * The theme to switch to. + */ + private UIManager.LookAndFeelInfo laf; + + /** + * Creates a new ChangeLAFAction for the specified L&F. + * + * @param l the L&F to switch to + */ + ChangeLAFAction(UIManager.LookAndFeelInfo l) + { + laf = l; + putValue(NAME, laf.getName()); + } + + /** + * Changes the theme to the one specified in the constructor. + * + * @param event the action event that triggered this action + */ + public void actionPerformed(ActionEvent event) + { + try + { + UIManager.setLookAndFeel(laf.getClassName()); + } + catch (Exception ex) + { + ex.printStackTrace(); + } + + SwingUtilities.updateComponentTreeUI(frame); + themesMenu.setEnabled(laf.getClassName() + .equals("javax.swing.plaf.metal.MetalLookAndFeel")); + } + } + + /** + * An implementation of BasicLookAndFeel which can be instantiated. + * + * @author Robert Schuster (robertschuster@fsfe.org) + * + */ + public static class InstantiableBasicLookAndFeel extends BasicLookAndFeel + { + public String getDescription() + { + return "An instantiable implementation of BasicLookAndFeel"; + } + + public String getID() + { + return "instantiableBasicLookAndFeel"; + } + + public String getName() + { + return "Instantiable Basic Look And Feel"; + } + + public boolean isNativeLookAndFeel() + { + return false; + } + + public boolean isSupportedLookAndFeel() + { + return true; + } + } + +} |