单立模式的问题,实例化怎么这么麻烦呢

////////////////////////
 /**
 * Creates and returns a <code>JButton</code>
 * configured for use in a JToolBar.
 *
 * This is a simplified method that is overriden by the Looks Demo.
 * The full code uses the JGoodies UI framework's ToolBarButton
 * that better handles platform differences.
 */
 protected AbstractButton createToolBarButton(String iconName) {
 JButton button = new JButton(readImageIcon(iconName));
 button.setFocusable(false);
 return button;
 } /**
 * Creates and returns a <code>JToggleButton</code>
 * configured for use in a JToolBar.
 *
 * This is a simplified method that is overriden by the Looks Demo.
 * The full code uses the JGoodies UI framework's ToolBarButton
 * that better handles platform differences.
 */
 protected AbstractButton createToolBarRadioButton(String iconName) {
 JToggleButton button = new JToggleButton(readImageIcon(iconName));
 button.setFocusable(false);
 return button;
 } // Tabbed Pane **********************************************************

 protected String getWindowTitle() {
 return "WSCModeler";
 }
 // Helper Code ********************************************************************** /*
 * Looks up and answers an icon for the specified filename suffix.
 */
 protected static ImageIcon readImageIcon(String filename) {
 URL url =
 MainFrame.class.getClassLoader().getResource("images/" + filename);
 return new ImageIcon(url);
 } /**
 * Locates the given component on the screen's center.
 */
 protected void locateOnScreen(Component component) {
 Dimension paneSize = component.getSize();
 Dimension screenSize = component.getToolkit().getScreenSize();
 component.setLocation(
 (screenSize.width - paneSize.width) / 2,
 0);//
 //(screenSize.height - paneSize.height) / 2);
 }
 private ActionListener createNewFileActionListener() {
// 加触发程序
 return new ActionListener() {
 public void actionPerformed(ActionEvent e) {

 MainFrame.this.buildContentPane();


 }


 };
 }

 protected ActionListener createHelpActionListener() {
 return null;
 } /**
 * Creates and answers an ActionListener that opens the about dialog.
 */
 protected ActionListener createAboutActionListener() {
 return new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 JOptionPane.showMessageDialog(
 MainFrame.this,
 "The simple Looks Demo Application\n"
 + "\n\u00a9 2001-2004 JGoodies Karsten Lentzsch. All Rights Reserved.\n\n");

 BPELDocument m2c = new BPELDocument();
 try
 {
 m2c.write(m2c.createDocument());
 }
 catch (IOException e333)
 {
 // TODO Auto-generated catch block
 e333.printStackTrace();
 }
 }
 };
 } private static class RolloverCheckButton extends JButton { private boolean checked = false; public void paint(Graphics g) {
 if (!checked) {
 checkAndSetResult();
 }
 super.paint(g);
 } private void checkAndSetResult() {
 Icon passedIcon = readImageIcon("passed.gif");
 Icon failedIcon = readImageIcon("failed.gif"); boolean passed = allButtonBordersAreUIResources();
 setIcon(passed ? passedIcon : failedIcon);
 setText(passed ? "Can Swap L&F" : "Can't Swap L&F"); checked = true;
 } /**
 * Checks and answers whether all button borders implement UIResource.
 */
 private boolean allButtonBordersAreUIResources() {
 JToolBar bar = (JToolBar) getParent();
 for (int i = bar.getComponentCount() - 1; i >= 0; i--) {
 Component child = bar.getComponent(i);
 if (child instanceof JButton) {
 Border b = ((JButton) child).getBorder();
 if (!(b instanceof UIResource))
 return false;
 }
 }
 return true;
 } } public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub

}

}
package com.zwb.wsc.frames;import java.awt.*;
///////////////////////////////
import com.zwb.wsc.gragh.GraghView;public class MainFrame extends JApplet implements ActionListener
{
 protected static final Dimension PREFERRED_SIZE =
 LookUtils.IS_LOW_RESOLUTION ? new Dimension(1024, 748) : new Dimension(1024, 748); /** Describes optional settings of the JGoodies Looks */
 private final Settings settings; /**
 * Constructs a <code>DemoFrame</code>, configures the UI,
 * and builds the content.
 */
 public MainFrame(Settings settings) {
 this.settings = settings;
 configureUI();
 build();
 //setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 }

 public MainFrame ()
 {

 this.settings = createSettings();
 this.configureUI();
 this.build();
 this.setSize(PREFERRED_SIZE);
 this.locateOnScreen(this);
 this.setVisible(true);
 this.setSize(800,600);
 }

 public static void main(String[] args) {
 MainFrame instance = new MainFrame(createSettings());
 instance.setSize(PREFERRED_SIZE);

 instance.locateOnScreen(instance);
 instance.setVisible(true);
 }

 private static Settings createSettings() {
 Settings settings = Settings.createDefault();
 //settings.setUseSystemFonts(Boolean.TRUE);
 //PlasticTheme dd;
 //settings.setse.setSelectedTheme();
 // Configure the settings here.

 return settings;
 }
 /**
 * Configures the user interface; requests Swing settings and
 * jGoodies Looks options from the launcher.
 */
 private void configureUI() {
 Options.setDefaultIconSize(new Dimension(18, 18)); // Set font options
 UIManager.put(
 Options.USE_SYSTEM_FONTS_APP_KEY,
 settings.isUseSystemFonts());
 Options.setGlobalFontSizeHints(settings.getFontSizeHints());
 Options.setUseNarrowButtons(settings.isUseNarrowButtons());

 // Global options
 Options.setTabIconsEnabled(settings.isTabIconsEnabled());
 UIManager.put(Options.POPUP_DROP_SHADOW_ENABLED_KEY,
 settings.isPopupDropShadowEnabled()); // Swing Settings
 LookAndFeel selectedLaf = settings.getSelectedLookAndFeel();
 if (selectedLaf instanceof PlasticLookAndFeel) {
 PlasticLookAndFeel.setMyCurrentTheme(settings.getSelectedTheme());
 PlasticLookAndFeel.setTabStyle(settings.getPlasticTabStyle());
 PlasticLookAndFeel.setHighContrastFocusColorsEnabled(
 settings.isPlasticHighContrastFocusEnabled());
 } else if (selectedLaf.getClass() == MetalLookAndFeel.class) {
 MetalLookAndFeel.setCurrentTheme(new DefaultMetalTheme());
 }

 // Work around caching in MetalRadioButtonUI
 JRadioButton radio = new JRadioButton();
 radio.getUI().uninstallUI(radio);
 JCheckBox checkBox = new JCheckBox();
 checkBox.getUI().uninstallUI(checkBox); try {
 UIManager.setLookAndFeel(selectedLaf);
 } catch (Exception e) {
 System.out.println("Can't change L&F: " + e);
 } } /**
 * Builds the <code>DemoFrame</code> using Options from the Launcher.
 */ private void build() {
 ////////////////

 setContentPane(buildContentPane());
 // setTitle(getWindowTitle());
 setJMenuBar(
 createMenuBuilder().buildMenuBar(
 settings,
 /////////////////////////////////////
 createNewFileActionListener(),
 createsaveActionListener(),
 //////////////////////////////////////////
 createHelpActionListener(),
 createsaveActionListener())
 );
 // setIconImage(readImageIcon("eye_16x16.gif").getImage());
 }




/**
 * Creates and returns a builder that builds the menu.
 * This method is overriden by the full JGoodies Looks Demo to use
 * a more sophisticated menu builder that uses the JGoodies
 * UI Framework.
 *
 * @return the builder that builds the menu bar
 */
 protected MenuBuilder createMenuBuilder() {
 return new MenuBuilder();
 } /**
 * Builds and answers the content.
 */
 protected JComponent buildContentPane() {
 JPanel panel = new JPanel(new BorderLayout());

 panel.add(buildToolBar(), BorderLayout.NORTH);

 ContentPanel a= new ContentPanel();
 panel.add(a.build());

 return panel;
 }
// Tool Bar ************************************************************* /**
 * Builds, configures and returns the toolbar. Requests
 * HeaderStyle, look-specific BorderStyles, and Plastic 3D Hint
 * from Launcher.
 */
 private Component buildToolBar() {
 JToolBar toolBar = new JToolBar();
 toolBar.setFloatable(false);
 toolBar.putClientProperty("JToolBar.isRollover", Boolean.TRUE);
 // Swing
 toolBar.putClientProperty(
 Options.HEADER_STYLE_KEY,
 settings.getToolBarHeaderStyle());
 toolBar.putClientProperty(
 PlasticLookAndFeel.BORDER_STYLE_KEY,
 settings.getToolBarPlasticBorderStyle());
 toolBar.putClientProperty(
 WindowsLookAndFeel.BORDER_STYLE_KEY,
 settings.getToolBarWindowsBorderStyle());
 toolBar.putClientProperty(
 PlasticLookAndFeel.IS_3D_KEY,
 settings.getToolBar3DHint());
AbstractButton button; toolBar.add(createToolBarButton("backward.gif"));
 button = createToolBarButton("forward.gif");
 button.setEnabled(false);
 toolBar.add(button);
 toolBar.add(createToolBarButton("home.gif"));
 toolBar.addSeparator();
 toolBar.add(createOpenButton());
 toolBar.add(createToolBarButton("print.gif"));
 toolBar.add(createToolBarButton("refresh.gif"));
 toolBar.addSeparator(); ButtonGroup group = new ButtonGroup();
 button = createToolBarRadioButton("pie_mode.png");
 button.setSelectedIcon(readImageIcon("pie_mode_selected.gif"));
 group.add(button);
 button.setSelected(true);
 toolBar.add(button); button = createToolBarRadioButton("bar_mode.png");
 button.setSelectedIcon(readImageIcon("bar_mode_selected.gif"));
 group.add(button);
 toolBar.add(button); button = createToolBarRadioButton("table_mode.png");
 button.setSelectedIcon(readImageIcon("table_mode_selected.gif"));
 group.add(button);
 toolBar.add(button);
 toolBar.addSeparator(); button = createToolBarButton("help.gif");
 button.addActionListener(createHelpActionListener());

 toolBar.add(button); toolBar.add(Box.createGlue()); button = new RolloverCheckButton();
 button.setToolTipText("Shall show border when mouse is over");
 button.setMargin(new Insets(0, 0, 0, 0));
 toolBar.add(button);
 return toolBar;
 }

////////////////////////
 /**
 * Creates and returns a <code>JButton</code>
 * configured for use in a JToolBar.
 *
 * This is a simplified method that is overriden by the Looks Demo.
 * The full code uses the JGoodies UI framework's ToolBarButton
 * that better handles platform differences.
 */
 protected AbstractButton createToolBarButton(String iconName) {
 JButton button = new JButton(readImageIcon(iconName));
 button.setFocusable(false);
 return button;
 } /**
 * Creates and returns a <code>JToggleButton</code>
 * configured for use in a JToolBar.
 *
 * This is a simplified method that is overriden by the Looks Demo.
 * The full code uses the JGoodies UI framework's ToolBarButton
 * that better handles platform differences.
 */
 protected AbstractButton createToolBarRadioButton(String iconName) {
 JToggleButton button = new JToggleButton(readImageIcon(iconName));
 button.setFocusable(false);
 return button;
 } // Tabbed Pane **********************************************************

 protected String getWindowTitle() {
 return "WSCModeler";
 }
 // Helper Code ********************************************************************** /*
 * Looks up and answers an icon for the specified filename suffix.
 */
 protected static ImageIcon readImageIcon(String filename) {
 URL url =
 MainFrame.class.getClassLoader().getResource("images/" + filename);
 return new ImageIcon(url);
 } /**
 * Locates the given component on the screen's center.
 */
 protected void locateOnScreen(Component component) {
 Dimension paneSize = component.getSize();
 Dimension screenSize = component.getToolkit().getScreenSize();
 component.setLocation(
 (screenSize.width - paneSize.width) / 2,
 0);//
 //(screenSize.height - paneSize.height) / 2);
 }
 private ActionListener createNewFileActionListener() {
// 加触发程序
 return new ActionListener() {
 public void actionPerformed(ActionEvent e) {

 MainFrame.this.buildContentPane();


 }


 };
 }

 protected ActionListener createHelpActionListener() {
 return null;
 } /**
 * Creates and answers an ActionListener that opens the about dialog.
 */
 protected ActionListener createAboutActionListener() {
 return new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 JOptionPane.showMessageDialog(
 MainFrame.this,
 "The simple Looks Demo Application\n"
 + "\n\u00a9 2001-2004 JGoodies Karsten Lentzsch. All Rights Reserved.\n\n");

 BPELDocument m2c = new BPELDocument();
 try
 {
 m2c.write(m2c.createDocument());
 }
 catch (IOException e333)
 {
 // TODO Auto-generated catch block
 e333.printStackTrace();
 }
 }
 };
 } private static class RolloverCheckButton extends JButton { private boolean checked = false; public void paint(Graphics g) {
 if (!checked) {
 checkAndSetResult();
 }
 super.paint(g);
 } private void checkAndSetResult() {
 Icon passedIcon = readImageIcon("passed.gif");
 Icon failedIcon = readImageIcon("failed.gif"); boolean passed = allButtonBordersAreUIResources();
 setIcon(passed ? passedIcon : failedIcon);
 setText(passed ? "Can Swap L&F" : "Can't Swap L&F"); checked = true;
 } /**
 * Checks and answers whether all button borders implement UIResource.
 */
 private boolean allButtonBordersAreUIResources() {
 JToolBar bar = (JToolBar) getParent();
 for (int i = bar.getComponentCount() - 1; i >= 0; i--) {
 Component child = bar.getComponent(i);
 if (child instanceof JButton) {
 Border b = ((JButton) child).getBorder();
 if (!(b instanceof UIResource))
 return false;
 }
 }
 return true;
 } } public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub

}

}
以上两个是整个mainFrame类

调试易

单立模式的问题,实例化怎么这么麻烦呢

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