示例#1
0
 private JButton createStopButton() {
   stopAction =
       new AbstractAction(resourceManager.getString("ProgressBarDemo.stop_button")) {
         public void actionPerformed(ActionEvent e) {
           timer.stop();
           loadAction.setEnabled(true);
           stopAction.setEnabled(false);
         }
       };
   return createButton(stopAction);
 }
示例#2
0
  private void createProgressPanel() {
    setLayout(new BorderLayout());

    JPanel textWrapper = new JPanel(new BorderLayout());
    textWrapper.setBorder(new SoftBevelBorder(BevelBorder.LOWERED));
    textWrapper.setAlignmentX(LEFT_ALIGNMENT);
    progressTextArea = new MyTextArea();

    progressTextArea
        .getAccessibleContext()
        .setAccessibleName(resourceManager.getString("ProgressBarDemo.accessible_text_area_name"));
    progressTextArea
        .getAccessibleContext()
        .setAccessibleName(
            resourceManager.getString("ProgressBarDemo.accessible_text_area_description"));
    textWrapper.add(new JScrollPane(progressTextArea), BorderLayout.CENTER);

    add(textWrapper, BorderLayout.CENTER);

    JPanel progressPanel = new JPanel();
    add(progressPanel, BorderLayout.SOUTH);

    progressBar =
        new JProgressBar(JProgressBar.HORIZONTAL, 0, text.length()) {
          public Dimension getPreferredSize() {
            return new Dimension(300, super.getPreferredSize().height);
          }
        };
    progressBar
        .getAccessibleContext()
        .setAccessibleName(
            resourceManager.getString("ProgressBarDemo.accessible_text_loading_progress"));

    progressPanel.add(progressBar);
    progressPanel.add(createLoadButton());
    progressPanel.add(createStopButton());
  }
示例#3
0
 private JButton createLoadButton() {
   loadAction =
       new AbstractAction(resourceManager.getString("ProgressBarDemo.start_button")) {
         public void actionPerformed(ActionEvent e) {
           loadAction.setEnabled(false);
           stopAction.setEnabled(true);
           if (progressBar.getValue() == progressBar.getMaximum()) {
             progressBar.setValue(0);
             textLocation = 0;
             progressTextArea.setText("");
           }
           timer.start();
         }
       };
   return createButton(loadAction);
 }
示例#4
0
/**
 * JProgressBar Demo
 *
 * @version 1.12 11/17/05
 * @author Jeff Dinkins # @author Peter Korn (accessibility support)
 */
@DemoProperties(
    value = "ProgressBar Demo",
    category = "Controls",
    description = "Demonstrates the JProgressBar, a control which displays progress to the user",
    sourceFiles = {
      "com/sun/swingset3/demos/progressbar/ProgressBarDemo.java",
      "com/sun/swingset3/demos/ResourceManager.java",
      "com/sun/swingset3/demos/progressbar/resources/ProgressBarDemo.properties",
      "com/sun/swingset3/demos/progressbar/resources/images/ProgressBarDemo.gif"
    })
public class ProgressBarDemo extends JPanel {
  private final ResourceManager resourceManager = new ResourceManager(this.getClass());

  /** main method allows us to run as a standalone demo. */
  public static void main(String[] args) {
    JFrame frame = new JFrame(ProgressBarDemo.class.getAnnotation(DemoProperties.class).value());

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.getContentPane().add(new ProgressBarDemo());
    frame.setPreferredSize(new Dimension(800, 600));
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
  }

  /** ProgressBarDemo Constructor */
  public ProgressBarDemo() {
    createProgressPanel();
  }

  private final javax.swing.Timer timer = new javax.swing.Timer(18, createTextLoadAction());
  private Action loadAction;
  private Action stopAction;
  private JProgressBar progressBar;
  private JTextArea progressTextArea;

  private void createProgressPanel() {
    setLayout(new BorderLayout());

    JPanel textWrapper = new JPanel(new BorderLayout());
    textWrapper.setBorder(new SoftBevelBorder(BevelBorder.LOWERED));
    textWrapper.setAlignmentX(LEFT_ALIGNMENT);
    progressTextArea = new MyTextArea();

    progressTextArea
        .getAccessibleContext()
        .setAccessibleName(resourceManager.getString("ProgressBarDemo.accessible_text_area_name"));
    progressTextArea
        .getAccessibleContext()
        .setAccessibleName(
            resourceManager.getString("ProgressBarDemo.accessible_text_area_description"));
    textWrapper.add(new JScrollPane(progressTextArea), BorderLayout.CENTER);

    add(textWrapper, BorderLayout.CENTER);

    JPanel progressPanel = new JPanel();
    add(progressPanel, BorderLayout.SOUTH);

    progressBar =
        new JProgressBar(JProgressBar.HORIZONTAL, 0, text.length()) {
          public Dimension getPreferredSize() {
            return new Dimension(300, super.getPreferredSize().height);
          }
        };
    progressBar
        .getAccessibleContext()
        .setAccessibleName(
            resourceManager.getString("ProgressBarDemo.accessible_text_loading_progress"));

    progressPanel.add(progressBar);
    progressPanel.add(createLoadButton());
    progressPanel.add(createStopButton());
  }

  private JButton createLoadButton() {
    loadAction =
        new AbstractAction(resourceManager.getString("ProgressBarDemo.start_button")) {
          public void actionPerformed(ActionEvent e) {
            loadAction.setEnabled(false);
            stopAction.setEnabled(true);
            if (progressBar.getValue() == progressBar.getMaximum()) {
              progressBar.setValue(0);
              textLocation = 0;
              progressTextArea.setText("");
            }
            timer.start();
          }
        };
    return createButton(loadAction);
  }

  private JButton createStopButton() {
    stopAction =
        new AbstractAction(resourceManager.getString("ProgressBarDemo.stop_button")) {
          public void actionPerformed(ActionEvent e) {
            timer.stop();
            loadAction.setEnabled(true);
            stopAction.setEnabled(false);
          }
        };
    return createButton(stopAction);
  }

  private static JButton createButton(Action a) {
    JButton b = new JButton();
    // setting the following client property informs the button to show
    // the action text as it's name. The default is to not show the
    // action text.
    b.putClientProperty("displayActionText", Boolean.TRUE);
    b.setAction(a);
    return b;
  }

  private int textLocation = 0;

  private final String text = resourceManager.getString("ProgressBarDemo.text");

  private Action createTextLoadAction() {
    return new AbstractAction("text load action") {
      public void actionPerformed(ActionEvent e) {
        if (progressBar.getValue() < progressBar.getMaximum()) {
          progressBar.setValue(progressBar.getValue() + 1);
          progressTextArea.append(text.substring(textLocation, textLocation + 1));
          textLocation++;
        } else {
          timer.stop();
          loadAction.setEnabled(true);
          stopAction.setEnabled(false);
        }
      }
    };
  }

  private static class MyTextArea extends JTextArea {
    private MyTextArea() {
      super(null, 0, 0);
      setEditable(false);
      setText("");
    }

    public float getAlignmentX() {
      return LEFT_ALIGNMENT;
    }

    public float getAlignmentY() {
      return TOP_ALIGNMENT;
    }
  }
}