Swing/TabWithProgressBar のバックアップ差分(No.2)

  • 追加された行はこの色です。
  • 削除された行はこの色です。
TITLE:JTabbedPaneのタブにJProgressBarを表示
#navi(../)
*JTabbedPaneのタブにJProgressBarを表示 [#taf3768c]
>編集者:[[Terai Atsuhiro>terai]]~
作成日:2008-01-28~
更新日:&lastmod;
Posted by [[terai]] at 2008-01-28

#contents

**概要 [#m964864c]
JTabbedPaneのタブにJProgressBarを配置して、進捗を表示します。

-&jnlp;
-&jar;
-&zip;

#screenshot

**サンプルコード [#i468e9ad]
#code{{
  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++;
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";
        }
        return "Done";
        setProgress(100 * current / lengthOfTask);
        current++;
      }
      @Override public void done() {
        setTabComponentAt(currentIndex, label);
        setComponentAt(currentIndex, content);
      }
    };
    worker.addPropertyChangeListener(new ProgressListener(bar));
    worker.execute();
  }
      return "Done";
    }
    @Override public void done() {
      setTabComponentAt(currentIndex, label);
      setComponentAt(currentIndex, content);
    }
  };
  worker.addPropertyChangeListener(new ProgressListener(bar));
  worker.execute();
}
}}
-&jnlp;
-&jar;
-&zip;

**解説 [#v355cdb6]
JDK6 で追加された以下の機能を使用しています。
- SwingWorker
- JTabbedPaneのタブにコンポーネントを配置

**参考リンク [#cb8f530d]
-[[SwingWorkerを使った処理の中断と進捗状況表示>Swing/SwingWorker]]
-[[JTabbedPaneにタブを閉じるボタンを追加>Swing/TabWithCloseButton]]

**コメント [#d080ea50]
#comment