Swing/SortTabs のバックアップの現在との差分(No.2)

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class SortAction extends AbstractAction {
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  @Override public void actionPerformed(ActionEvent e) {
    JTabbedPane t = (JTabbedPane) getInvoker();
    List<ComparableTab> list = IntStream.range(0, t.getTabCount())
      .mapToObj(i -> new ComparableTab(t.getTitleAt(i), t.getComponentAt(i)))
      .sorted(Comparator.comparing(ComparableTab::getTitle))
      .collect(Collectors.toList());
    t.removeAll();
    list.forEach(c -> t.addTab(c.getTitle(), c.getComponent()));
  }
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}
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#screenshot
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class ComparableTab {
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  private final String title;
  private final Component comp;

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**サンプルコード [#ue218b7d]
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 class SortAction extends AbstractAction {
   public SortAction(String label, Icon icon) {
     super(label,icon);
   }
   public void actionPerformed(ActionEvent evt) {
     final Vector list = makeSortedVector(tab);
     javax.swing.SwingUtilities.invokeLater(new Runnable() {
       public void run() {
         setSortedTab(tab, list);
       }
     });
   }
   private Vector makeSortedVector(JTabbedPane t) {
     Vector l = new Vector();
     for(int i=0;i<t.getTabCount();i++) {
       l.addElement(new ComparableTab(t.getTitleAt(i), t.getComponentAt(i)));
     }
     Collections.sort(l);
     return l;
   }
   private void setSortedTab(final JTabbedPane t, final Vector l) {
     t.setVisible(false);
     t.removeAll();
     for(int i=0;i<l.size();i++) {
       ComparableTab c = (ComparableTab)l.get(i);
       t.addTab(c.title, c.comp);
     }
     t.setVisible(true);
   }
   class ComparableTab implements Comparable{
     final public String title;
     final public Component comp;
     public ComparableTab(String title, Component comp) {
       this.title = title;
       this.comp  = comp;
     }
     public int compareTo(Object o) {
       return this.title.compareTo(((ComparableTab)o).title);
     }
   }
 }
  protected ComparableTab(String title, Component comp) {
    this.title = title;
    this.comp  = comp;
  }

-&jnlp;
-&jar;
-&zip;
  public String getTitle() {
    return title;
  }

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**解説 [#g820882f]
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上記のサンプルでは、ソートしたリストを作成したあと、一旦タブをすべて削除し、リストからJTabbedPaneにタブを戻しています。
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  public Component getComponent() {
    return comp;
  }
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}
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