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  5. javax.swing.JProgressBar#setVisible ( )

javax.swing.JProgressBar#setVisible ( )源码实例Demo

下面列出了javax.swing.JProgressBar#setVisible ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： dragonwell8_jdk   文件： ProgressBarMemoryLeakTest.java 
private static void showUI(){
  sFrame = new JFrame();

  JProgressBar progressBar = new JProgressBar();
  progressBar.setVisible(false);
  progressBar.setIndeterminate(false);
  progressBar.setIndeterminate(true);
  progressBar.setIndeterminate(false);
  progressBar.setValue(10);
  progressBar.setString("Progress");

  sFrame.add(progressBar);

  sProgressBar = new WeakReference<>(progressBar);

  sFrame.setSize(200,200);
  sFrame.setVisible(true);
}
源代码2 项目： TencentKona-8   文件： ProgressBarMemoryLeakTest.java 
private static void showUI(){
  sFrame = new JFrame();

  JProgressBar progressBar = new JProgressBar();
  progressBar.setVisible(false);
  progressBar.setIndeterminate(false);
  progressBar.setIndeterminate(true);
  progressBar.setIndeterminate(false);
  progressBar.setValue(10);
  progressBar.setString("Progress");

  sFrame.add(progressBar);

  sProgressBar = new WeakReference<>(progressBar);

  sFrame.setSize(200,200);
  sFrame.setVisible(true);
}
源代码3 项目： openjdk-jdk8u   文件： ProgressBarMemoryLeakTest.java 
private static void showUI(){
  sFrame = new JFrame();

  JProgressBar progressBar = new JProgressBar();
  progressBar.setVisible(false);
  progressBar.setIndeterminate(false);
  progressBar.setIndeterminate(true);
  progressBar.setIndeterminate(false);
  progressBar.setValue(10);
  progressBar.setString("Progress");

  sFrame.add(progressBar);

  sProgressBar = new WeakReference<>(progressBar);

  sFrame.setSize(200,200);
  sFrame.setVisible(true);
}
源代码4 项目： netbeans   文件： AutoUpgrade.java 
private static boolean showUpgradeDialog (final File source, String note) {
       Util.setDefaultLookAndFeel();

JPanel panel = new JPanel(new BorderLayout());
panel.add(new AutoUpgradePanel (source.getAbsolutePath (), note), BorderLayout.CENTER);
JProgressBar progressBar = new JProgressBar(0, 100);
progressBar.setValue(0);
progressBar.setStringPainted(true);
progressBar.setIndeterminate(true);
panel.add(progressBar, BorderLayout.SOUTH);
progressBar.setVisible(false);

JButton bYES = new JButton("Yes");
bYES.setMnemonic(KeyEvent.VK_Y);
JButton bNO = new JButton("No");
bNO.setMnemonic(KeyEvent.VK_N);
JButton[] options = new JButton[] {bYES, bNO};
       JOptionPane p = new JOptionPane (panel, JOptionPane.QUESTION_MESSAGE, JOptionPane.YES_NO_OPTION, null, options, bYES);
       JDialog d = Util.createJOptionProgressDialog(p, NbBundle.getMessage (AutoUpgrade.class, "MSG_Confirmation_Title"), source, progressBar);
       d.setVisible (true);

       return new Integer (JOptionPane.YES_OPTION).equals (p.getValue ());
   }
源代码5 项目： openjdk-jdk8u-backup   文件： ProgressBarMemoryLeakTest.java 
private static void showUI(){
  sFrame = new JFrame();

  JProgressBar progressBar = new JProgressBar();
  progressBar.setVisible(false);
  progressBar.setIndeterminate(false);
  progressBar.setIndeterminate(true);
  progressBar.setIndeterminate(false);
  progressBar.setValue(10);
  progressBar.setString("Progress");

  sFrame.add(progressBar);

  sProgressBar = new WeakReference<>(progressBar);

  sFrame.setSize(200,200);
  sFrame.setVisible(true);
}
源代码6 项目： openjdk-jdk9   文件： ProgressBarMemoryLeakTest.java 
private static void showUI(){
  sFrame = new JFrame();

  JProgressBar progressBar = new JProgressBar();
  progressBar.setVisible(false);
  progressBar.setIndeterminate(false);
  progressBar.setIndeterminate(true);
  progressBar.setIndeterminate(false);
  progressBar.setValue(10);
  progressBar.setString("Progress");

  sFrame.add(progressBar);

  sProgressBar = new WeakReference<>(progressBar);

  sFrame.setSize(200,200);
  sFrame.setVisible(true);
}
源代码7 项目： jdk8u-jdk   文件： ProgressBarMemoryLeakTest.java 
private static void showUI(){
  sFrame = new JFrame();

  JProgressBar progressBar = new JProgressBar();
  progressBar.setVisible(false);
  progressBar.setIndeterminate(false);
  progressBar.setIndeterminate(true);
  progressBar.setIndeterminate(false);
  progressBar.setValue(10);
  progressBar.setString("Progress");

  sFrame.add(progressBar);

  sProgressBar = new WeakReference<>(progressBar);

  sFrame.setSize(200,200);
  sFrame.setVisible(true);
}
源代码8 项目： jdk8u_jdk   文件： ProgressBarMemoryLeakTest.java 
private static void showUI(){
  sFrame = new JFrame();

  JProgressBar progressBar = new JProgressBar();
  progressBar.setVisible(false);
  progressBar.setIndeterminate(false);
  progressBar.setIndeterminate(true);
  progressBar.setIndeterminate(false);
  progressBar.setValue(10);
  progressBar.setString("Progress");

  sFrame.add(progressBar);

  sProgressBar = new WeakReference<>(progressBar);

  sFrame.setSize(200,200);
  sFrame.setVisible(true);
}
源代码9 项目： pcap-burp   文件： ProgressWindow.java 
public ProgressWindow(JFrame parent, String title, String message) {
	super(parent, title, true);
	if (parent != null) {
		Dimension parentSize = parent.getSize();
		Point p = parent.getLocation();
		setLocation(p.x + parentSize.width / 4, p.y + parentSize.height / 4);
	}
	JPanel messagePane = new JPanel();
	label = new JLabel(message);
	messagePane.add(label);
	getContentPane().add(messagePane);

	JPanel progressPane = new JPanel();
	progressBar = new JProgressBar(0, 100);
	progressBar.setIndeterminate(true);
	progressBar.setPreferredSize(new Dimension(250, 20));
	progressBar.setVisible(true);
	progressPane.add(progressBar);

	getContentPane().add(progressPane, BorderLayout.SOUTH);
	setDefaultCloseOperation(DISPOSE_ON_CLOSE);
	pack();
}
源代码10 项目： arcgis-runtime-demo-java   文件： DemoTheatreApp.java 
/**
 * Creates a progress bar.
 * 
 * @param parent progress bar's parent. The horizontal axis of the progress bar will be center-aligned to the parent.
 * @return a progress bar.
 */
private static JProgressBar createProgressBar(final JComponent parent) {
  final JProgressBar progressBar = new JProgressBar();
  progressBar.setSize(260, 20);
  parent.addComponentListener(new ComponentAdapter() {
    @Override
    public void componentResized(ComponentEvent e) {
      progressBar.setLocation(
        parent.getWidth() / 2 - progressBar.getWidth() / 2,
        parent.getHeight() - progressBar.getHeight() - 20);
    }
  });
  progressBar.setStringPainted(true);
  progressBar.setIndeterminate(true);
  progressBar.setVisible(false);
  return progressBar;
}
源代码11 项目： arcgis-runtime-demo-java   文件： DemoTheatreAppImproved.java 
/**
 * Creates a progress bar.
 * 
 * @param parent progress bar's parent. The horizontal axis of the progress bar will be center-aligned to the parent.
 * @return a progress bar.
 */
private static JProgressBar createProgressBar(final JComponent parent) {
  final JProgressBar progressBar = new JProgressBar();
  progressBar.setSize(260, 20);
  parent.addComponentListener(new ComponentAdapter() {
    @Override
    public void componentResized(ComponentEvent e) {
      progressBar.setLocation(
        parent.getWidth() / 2 - progressBar.getWidth() / 2,
        parent.getHeight() - progressBar.getHeight() - 20);
    }
  });
  progressBar.setStringPainted(true);
  progressBar.setIndeterminate(true);
  progressBar.setVisible(false);
  return progressBar;
}
源代码12 项目： dummydroid   文件： CheckinForm.java 
public CheckinForm(NavigateAction forward, NavigateAction backward) {
	super(forward, backward);

	result = new HypertextPane("");
	result.setPreferredSize(new Dimension(300, 200));
	result.setOpaque(false);
	progress = new JProgressBar();
	progress.setIndeterminate(true);
	progress.setVisible(false);

	setLayout(new BorderLayout());
	add(result, BorderLayout.CENTER);
	add(progress, BorderLayout.NORTH);
}
源代码13 项目： jeveassets   文件： StatusPanel.java 
public Progress(UpdateType updateType, ProgressControl progressShow) {
	this.updateType = updateType;
	this.progressControl = progressShow;
	switch (updateType) {
		case STRUCTURE:
			text = DialoguesStructure.get().updateTitle();
			break;
		case PUBLIC_MARKET_ORDERS:
			text = TabsOrders.get().updateTitle();
			break;
		default:
			text = "";
	}
	jProgress = new JProgressBar(0, 100);
	Dimension size = new Dimension(Program.getButtonsWidth() * 2, Program.getButtonsHeight());
	jProgress.setMinimumSize(size);
	jProgress.setPreferredSize(size);
	jProgress.setMaximumSize(size);
	jProgress.setVisible(false);
	
	jProgress.setStringPainted(true);
	if (progressShow.isAuto()) {
		jProgress.setString(text);
	} else {
		jProgress.setString(GuiFrame.get().clickToShow(text));
		jProgress.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent e) {
				progressShow.show();
			}
		});
	}
}
源代码14 项目： mzmine2   文件： BaselineCorrectorSetupDialog.java 
private void addProgessBar() {
  // Add progress bar
  progressBar = new JProgressBar();
  progressBar.setValue(25);
  progressBar.setStringPainted(true);
  Border border =
      BorderFactory.createTitledBorder("Processing...     <Press \"ESC\" to cancel>    ");
  progressBar.setBorder(border);
  this.dialog.add(progressBar, BorderLayout.NORTH);
  // this.dialog.repaint();
  progressBar.setVisible(true);
  this.dialog.pack();
}
源代码15 项目： rest-client   文件： ReqView.java 
/**
* 
* @Title: init 
* @Description: Component Initialization 
* @param
* @return void 
* @throws
 */
private void init()
{
    this.setLayout(new BorderLayout(RESTConst.BORDER_WIDTH, RESTConst.BORDER_WIDTH));
    this.setBorder(BorderFactory.createEmptyBorder(RESTConst.BORDER_WIDTH, RESTConst.BORDER_WIDTH, RESTConst.BORDER_WIDTH, RESTConst.BORDER_WIDTH));

    pnlUrl = new Panel();
    pnlUrl.setLayout(new BorderLayout(RESTConst.BORDER_WIDTH, 0));
    
    iconStart = UIUtil.getIcon(RESTConst.ICON_START);
    iconStop = UIUtil.getIcon(RESTConst.ICON_STOP);

    btnStart = new JButton(iconStart);
    btnStart.setName(RESTConst.START);
    btnStart.setToolTipText(RESTConst.START);
    btnStart.addActionListener(this);

    cbMtd = new JComboBox<HttpMethod>(HttpMethod.values());
    cbMtd.setToolTipText(RESTConst.METHOD);
    cbMtd.addActionListener(this);
    
    cbUrl = new JComboBox<String>();
    cbUrl.setEditable(true);
    cbUrl.setToolTipText(RESTConst.URL);
    cbUrl.requestFocus();
    
    pnlUrl.add(cbMtd, BorderLayout.WEST);
    pnlUrl.add(cbUrl, BorderLayout.CENTER);
    pnlUrl.add(btnStart, BorderLayout.EAST);

    this.add(pnlUrl, BorderLayout.NORTH);

    // pane contains body, header, cookie, parameter
    JTabbedPane tp = new JTabbedPane();

    pnlBody = new ReqBodyPanel();
    tp.add(RESTConst.BODY, pnlBody);

    pnlHdr = new ReqTabPanel(RESTConst.HEADER);
    tp.add(RESTConst.HEADER, pnlHdr);

    pnlCookie = new ReqTabPanel(RESTConst.COOKIE);
    tp.add(RESTConst.COOKIE, pnlCookie);

    this.add(tp, BorderLayout.CENTER);

    pb = new JProgressBar();
    pb.setVisible(false);
    this.add(pb, BorderLayout.SOUTH);
    this.setBorder(BorderFactory.createTitledBorder(null, RESTConst.HTTP_REQUEST, TitledBorder.CENTER, TitledBorder.DEFAULT_POSITION));
}
源代码16 项目： rtg-tools   文件： RocPlot.java 
/**
 * Creates a new swing plot.
 * @param precisionRecall true defaults to precision recall graph
 * @param interpolate if true, enable curve interpolation
 */
RocPlot(boolean precisionRecall, boolean interpolate) {
  mInterpolate = interpolate;
  mMainPanel = new JPanel();
  UIManager.put("FileChooser.readOnly", Boolean.TRUE);
  mFileChooser = new JFileChooser();
  final Action details = mFileChooser.getActionMap().get("viewTypeDetails");
  if (details != null) {
    details.actionPerformed(null);
  }
  mFileChooser.setMultiSelectionEnabled(true);
  mFileChooser.setFileFilter(new RocFileFilter());
  mZoomPP = new RocZoomPlotPanel();
  mZoomPP.setOriginIsMin(true);
  mZoomPP.setTextAntialiasing(true);
  mProgressBar = new JProgressBar(-1, -1);
  mProgressBar.setVisible(true);
  mProgressBar.setStringPainted(true);
  mProgressBar.setIndeterminate(true);
  mStatusLabel = new JLabel();
  mPopup = new JPopupMenu();
  mRocLinesPanel = new RocLinesPanel(this);
  mScrollPane = new JScrollPane(mRocLinesPanel, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
  mScrollPane.setWheelScrollingEnabled(true);
  mLineWidthSlider = new JSlider(JSlider.HORIZONTAL, LINE_WIDTH_MIN, LINE_WIDTH_MAX, 1);
  mScoreCB = new JCheckBox("Show Scores");
  mScoreCB.setSelected(true);
  mSelectAllCB = new JCheckBox("Select / Deselect all");
  mTitleEntry = new JTextField("ROC");
  mTitleEntry.setMaximumSize(new Dimension(Integer.MAX_VALUE, mTitleEntry.getPreferredSize().height));
  mOpenButton = new JButton("Open...");
  mOpenButton.setToolTipText("Add a new curve from a file");
  mCommandButton = new JButton("Cmd...");
  mCommandButton.setToolTipText("Send the equivalent rocplot command-line to the terminal");
  final ImageIcon icon = createImageIcon("com/rtg/graph/resources/realtimegenomics_logo.png", "RTG Logo");
  mIconLabel = new JLabel(icon);
  mIconLabel.setBackground(new Color(16, 159, 205));
  mIconLabel.setForeground(Color.WHITE);
  mIconLabel.setOpaque(true);
  mIconLabel.setFont(new Font("Arial", Font.BOLD, 24));
  mIconLabel.setHorizontalAlignment(JLabel.LEFT);
  mIconLabel.setIconTextGap(50);
  if (icon != null) {
    mIconLabel.setMinimumSize(new Dimension(icon.getIconWidth(), icon.getIconHeight()));
  }
  mGraphType = new JComboBox<>(new String[] {ROC_PLOT, PRECISION_SENSITIVITY});
  mGraphType.setSelectedItem(precisionRecall ? PRECISION_SENSITIVITY : ROC_PLOT);
  configureUI();
}
源代码17 项目： blog   文件： Main.java 
public void createAndShowUI() {
	BoundedRangeModel progressModel = new DefaultBoundedRangeModel();
	BoundedRangeProgress progressAdapter = new BoundedRangeProgress(progressModel);
	Document resultDocument = new PlainDocument();

	ComponentVisibility progressBarVisibility = new ComponentVisibility("enabled", false);
	progressBarVisibility.setInvisibleDelay(1, TimeUnit.SECONDS);

	ProgressCancelAction cancelAction = new ProgressCancelAction();
	cancelAction.putValue(Action.NAME, "Cancel");

	ProgressSimulationAction progressAction = new ProgressSimulationAction();
	progressAction.addProgressAware(progressAdapter);
	progressAction.addProgressAware(cancelAction);
	progressAction.addPropertyChangeListener(progressBarVisibility);
	progressAction.putValue(Action.NAME, "Start");
	progressAction.setResultDocument(resultDocument);

	JFrame mainFrame = new JFrame("Progress Object Pattern with Java Swing");
	mainFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
	mainFrame.setMinimumSize(new Dimension(600, 120));

	JProgressBar progressBar = new JProgressBar(progressModel);
	progressBar.setVisible(false);
	progressBar.setStringPainted(true);
	progressBarVisibility.setComponent(progressBar);

	JButton startProgressButton = new JButton(progressAction);
	JButton cancelButton = new JButton(cancelAction);
	JTextField resultTextField = new JTextField(40);
	resultTextField.setEditable(false);
	resultTextField.setDocument(resultDocument);

	JPanel mainPanel = new JPanel();
	mainPanel.add(startProgressButton);
	mainPanel.add(cancelButton);
	mainPanel.add(resultTextField);

	Container contentPane = mainFrame.getContentPane();
	contentPane.add(mainPanel);
	contentPane.add(progressBar, BorderLayout.SOUTH);

	mainFrame.pack();
	mainFrame.setLocationRelativeTo(null);
	mainFrame.setVisible(true);
}
源代码18 项目： aurous-app   文件： DiscoMixer.java 
/**
 * Initialize the contents of the frame.
 */
private void initialize() {
	discoFrame = new JFrame();
	discoFrame.setTitle("Disco Mixer");
	discoFrame.setIconImage(Toolkit.getDefaultToolkit().getImage(
			DiscoMixer.class.getResource("/resources/aurouslogo.png")));
	discoFrame.setType(Type.UTILITY);
	discoFrame.setResizable(false);
	discoFrame.setBounds(100, 100, 606, 239);
	discoFrame
	.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
	discoFrame.getContentPane().setLayout(null);
	discoFrame.addWindowListener(new java.awt.event.WindowAdapter() {
		@Override
		public void windowClosing(
				final java.awt.event.WindowEvent windowEvent) {
			final int confirm = JOptionPane.showOptionDialog(discoFrame,
					"Are You Sure You Want to Close Disco Mixer?",
					"Exit Confirmation", JOptionPane.YES_NO_OPTION,
					JOptionPane.QUESTION_MESSAGE, null, null, null);
			if (confirm == 0) {
				Playlist.getPlaylist().discoOpen = false;
				discoFrame.dispose();
			}

		}
	});

	final JLabel logoLabel = new JLabel("");
	logoLabel.setHorizontalAlignment(SwingConstants.CENTER);
	logoLabel.setIcon(new ImageIcon(DiscoMixer.class
			.getResource("/resources/fmw.png")));
	logoLabel.setBounds(10, 0, 580, 70);
	discoFrame.getContentPane().add(logoLabel);

	discoProgressBar = new JProgressBar();
	discoProgressBar.setStringPainted(true);
	discoProgressBar.setBounds(113, 119, 380, 49);
	discoProgressBar.setVisible(false);
	discoFrame.getContentPane().add(discoProgressBar);

	queryField = new JTextField();
	queryField.setFont(new Font("Segoe UI", Font.PLAIN, 20));
	queryField.setHorizontalAlignment(SwingConstants.CENTER);
	queryField.setBounds(113, 119, 380, 44);
	discoFrame.getContentPane().add(queryField);
	queryField.setColumns(10);

	final JLabel instructionsLabel = new JLabel(
			"Enter an Artist, Song or Choose from the Top 100!");
	instructionsLabel.setFont(new Font("Segoe UI", Font.PLAIN, 20));
	instructionsLabel.setHorizontalAlignment(SwingConstants.CENTER);
	instructionsLabel.setBounds(23, 81, 541, 27);
	discoFrame.getContentPane().add(instructionsLabel);

	discoBuildButton = new JButton("Disco!");
	discoBuildButton.addActionListener(e -> {
		if (!queryField.getText().trim().isEmpty()) {
			discoProgressBar.setVisible(true);
			YouTubeDiscoUtils.buildDiscoPlayList(queryField.getText());
		} else {
			JOptionPane.showMessageDialog(discoFrame,
					"Please enter search query", "Error",
					JOptionPane.ERROR_MESSAGE);
			return;
		}
	});
	discoBuildButton.setForeground(Color.BLACK);
	discoBuildButton.setBounds(197, 174, 100, 26);
	discoFrame.getContentPane().add(discoBuildButton);

	top100Button = new JButton("Top Hits!");
	top100Button.addActionListener(e -> {
		discoProgressBar.setVisible(true);
		YouTubeDiscoUtils.buildTopPlayList();
	});
	top100Button.setForeground(Color.BLACK);
	top100Button.setBounds(307, 174, 100, 26);
	discoFrame.getContentPane().add(top100Button);
	Playlist.getPlaylist().discoOpen = true;
	final GhostText ghostText = new GhostText("Ghost B.C.", queryField);
	ghostText.setHorizontalAlignment(SwingConstants.CENTER);
	discoFrame.setLocationRelativeTo(UISession.getPresenter().jfxPanel);
}
源代码19 项目： Luyten   文件： MainWindow.java 
public MainWindow(File fileFromCommandLine) {
	configSaver = ConfigSaver.getLoadedInstance();
	windowPosition = configSaver.getMainWindowPosition();
	luytenPrefs = configSaver.getLuytenPreferences();
	
	mainMenuBar = new MainMenuBar(this);
	this.setJMenuBar(mainMenuBar);

	this.adjustWindowPositionBySavedState();
	this.setHideFindBoxOnMainWindowFocus();
	this.setShowFindAllBoxOnMainWindowFocus();
	this.setQuitOnWindowClosing();
	this.setTitle(TITLE);
	this.setIconImage(new ImageIcon(
			Toolkit.getDefaultToolkit().getImage(this.getClass().getResource("/resources/Luyten.png"))).getImage());

	JPanel panel1 = new JPanel(new FlowLayout(FlowLayout.LEFT));
	label = new JLabel();
	label.setHorizontalAlignment(JLabel.LEFT);
	panel1.setBorder(new BevelBorder(BevelBorder.LOWERED));
	panel1.setPreferredSize(new Dimension(this.getWidth() / 2, 20));
	panel1.add(label);

	JPanel panel2 = new JPanel(new FlowLayout(FlowLayout.RIGHT));
	bar = new JProgressBar();

	bar.setStringPainted(true);
	bar.setOpaque(false);
	bar.setVisible(false);
	panel2.setPreferredSize(new Dimension(this.getWidth() / 3, 20));
	panel2.add(bar);

	model = new Model(this);
	this.getContentPane().add(model);

	JSplitPane spt = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, panel1, panel2) {
		private static final long serialVersionUID = 2189946972124687305L;
		private final int location = 400;

		{
			setDividerLocation(location);
		}

		@Override
		public int getDividerLocation() {
			return location;
		}

		@Override
		public int getLastDividerLocation() {
			return location;
		}
	};
	spt.setBorder(new BevelBorder(BevelBorder.LOWERED));
	spt.setPreferredSize(new Dimension(this.getWidth(), 24));
	this.add(spt, BorderLayout.SOUTH);
	if (fileFromCommandLine != null) {
		model.loadFile(fileFromCommandLine);
	}

	try {
		DropTarget dt = new DropTarget();
		dt.addDropTargetListener(new DropListener(this));
		this.setDropTarget(dt);
	} catch (Exception e) {
		Luyten.showExceptionDialog("Exception!", e);
	}

	fileDialog = new FileDialog(this);
	fileSaver = new FileSaver(bar, label);

	this.setExitOnEscWhenEnabled(model);

	if (fileFromCommandLine == null || fileFromCommandLine.getName().toLowerCase().endsWith(".jar")
			|| fileFromCommandLine.getName().toLowerCase().endsWith(".zip")) {
		model.startWarmUpThread();
	}
	
	if(RecentFiles.load() > 0) mainMenuBar.updateRecentFiles();
}
源代码20 项目： importer-exporter   文件： SplashScreen.java 
private void init(int numberOfSteps, int messageX, int messageY, Color messageColor) {
	JPanel content = new JPanel() {
		public boolean isOptimizedDrawingEnabled() {
			return false;
		}
	};
	
	content.setLayout(new OverlayLayout(content));
	content.setBorder(BorderFactory.createLineBorder(Color.DARK_GRAY, 1));
	
	JPanel dynamicContent = new JPanel();
	dynamicContent.setOpaque(false);
	dynamicContent.setLayout(new GridBagLayout());
		
	message = new JLabel();
	message.setFont(new Font(Font.SANS_SERIF, Font.PLAIN, 12));
	message.setForeground(messageColor);
	
	progressBar = new JProgressBar();
	progressBar.setPreferredSize(new Dimension(icon.getIconWidth(), 18));
	progressBar.setIndeterminate(false);
	progressBar.setMaximum(numberOfSteps);
	progressBar.setVisible(false);
	
	GridBagConstraints c = GuiUtil.setConstraints(0, 0, 1, 1, GridBagConstraints.HORIZONTAL, 5 + messageY, 5 + messageX, 0, 5);
	c.anchor = GridBagConstraints.NORTH;
	dynamicContent.add(message, c);
	
	c = GuiUtil.setConstraints(0, 1, 1, 1, GridBagConstraints.HORIZONTAL, 5, 5, 5, 5);
	c.anchor = GridBagConstraints.SOUTH;
	dynamicContent.add(progressBar, c);
	
	dynamicContent.setAlignmentX(0f);
	dynamicContent.setAlignmentY(0f);
	content.add(dynamicContent);
	
	JLabel image = new JLabel(icon);
	image.setAlignmentX(0f);
	image.setAlignmentY(0f);
	content.add(image);
	
	add(content, BorderLayout.CENTER);
	
	// center on screen
	Toolkit t = Toolkit.getDefaultToolkit();
	Insets frame_insets = t.getScreenInsets(GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration());
	int frame_insets_x = frame_insets.left + frame_insets.right;
	int frame_insets_y = frame_insets.bottom + frame_insets.top;
	
	Dimension dim = t.getScreenSize();
	int x = (dim.width - icon.getIconWidth() - frame_insets_x) / 2;
	int y = (dim.height - icon.getIconHeight() - frame_insets_y) / 2;		
	setMinimumSize(new Dimension(icon.getIconWidth(), icon.getIconHeight()));
	setLocation(x, y);
	setAlwaysOnTop(true);
}
 方法所在类
javax.swing.JProgressBar
 同类方法
setStringPainted ( )
setIndeterminate ( )
setValue ( )
setString ( )
setMinimum ( )
setVisible ( )
setBorderPainted ( )
setBounds ( )
setPreferredSize ( )
setForeground ( )
addChangeListener ( )
getModel ( )
setBorder ( )
setMaximum ( )
HORIZONTAL
setToolTipText ( )
setModel ( )