Swing/TabWithProgressBar のバックアップの現在との差分(No.1)

JTabbedPaneのタブにJProgressBarを表示

概要

#screenshot

サンプルコード

#spanend
  public void addTab(String title, final Component content, JProgressBar bar) {
    super.addTab(null, new JLabel("Loading..."));
    final int currentIndex = getTabCount()-1;
    final JLabel label = new JLabel(title);
    Dimension dim = label.getPreferredSize();
    label.setPreferredSize(new Dimension(80, dim.height));
    bar.setString(title);
    bar.setPreferredSize(new Dimension(80, dim.height-tabInsets.top-1));
    //bar.setUI(new javax.swing.plaf.basic.BasicProgressBarUI());
    setTabComponentAt(currentIndex, bar);
    SwingWorker worker = new SwingWorker() {
      @Override public Object doInBackground() {
        int current = 0;
        int lengthOfTask = 120;
        while(current<lengthOfTask) {
          try {
            Thread.sleep(20);
          }catch(InterruptedException ie) {
            ie.printStackTrace();
            return "Interrupted";
          }
          setProgress(100 * current / lengthOfTask);
          current++;
#spanadd
* サンプルコード [#sourcecode]
#spanend
#spanadd
#code(link){{
#spanend
#spanadd
private final Executor executor = Executors.newCachedThreadPool();
#spanend
#spanadd
public void addTab(String title, final Component content) {
#spanend
  super.addTab(title, new JLabel("Loading..."));
  final JProgressBar bar = new JProgressBar();
  final int currentIndex = getTabCount() - 1;
  final JLabel label = new JLabel(title);
  Dimension dim = label.getPreferredSize();
  int w = Math.max(80, dim.width);
  label.setPreferredSize(new Dimension(w, dim.height));
  Insets tabInsets = UIManager.getInsets("TabbedPane.tabInsets");
  bar.setPreferredSize(new Dimension(w, dim.height - tabInsets.top - 1));
  setTabComponentAt(currentIndex, bar);
  SwingWorker worker = new SwingWorker() {
    @Override public Object doInBackground() {
      int current = 0;
      int lengthOfTask = 180;
      while (current < lengthOfTask) {
        if (!bar.isDisplayable()) return "NotDisplayable";
        try {
          Thread.sleep(25);
        } catch (InterruptedException ie) {
          return "Interrupted";
        }
        return "Done";
        current++;
        setProgress(100 * current / lengthOfTask);
      }
      @Override public void done() {
        setTabComponentAt(currentIndex, label);
        setComponentAt(currentIndex, content);
      }
    };
    worker.addPropertyChangeListener(new ProgressListener(bar));
    worker.execute();
  }
      return "Done";
    }
#spanadd

#spanend
    @Override public void done() {
      setTabComponentAt(currentIndex, label);
      setComponentAt(currentIndex, content);
    }
  };
  worker.addPropertyChangeListener(new ProgressListener(bar));
  executor.execute(worker); // JDK 1.6.0_18
  // worker.execute();
#spanadd
}
#spanend

• &jnlp;
• &jar;
• &zip;

• SwingWorker
• JTabbedPaneのタブにコンポーネントを配置

解説

参考リンク

コメント