Swing/TabbedPaneWithCheckBox のバックアップの現在との差分(No.2)

#spanend
#spanadd
class TabbedPaneWithCompBorder implements Border, MouseListener, SwingConstants {
#spanend
  private final JCheckBox checkBox;
  private final JTabbedPane tab;
  private final Container rubberStamp = new JPanel();
  private final Rectangle rect = new Rectangle();

#spandel
#screenshot
#spanend
  protected TabbedPaneWithCompBorder(JCheckBox checkBox, JTabbedPane tab) {
    this.checkBox = checkBox;
    this.tab = tab;
  }

#spandel
**サンプルコード [#hd0302da]
#spanend
 class TabbedPaneWithCompBorder implements Border, MouseListener, SwingConstants {
   private final JComponent  dummy = new JPanel();;
   private final JCheckBox   cbox;
   private final JTabbedPane tab;
   private Rectangle rect;
   public TabbedPaneWithCompBorder(JCheckBox cbox, JTabbedPane tab) {
     this.cbox = cbox;
     this.tab  = tab;
     tab.addMouseListener(this);
     cbox.setFocusPainted(false);
     cbox.addMouseListener(new MouseAdapter() {
       public void mouseClicked(MouseEvent me) {
         JCheckBox cb = (JCheckBox)me.getSource();
         cb.setSelected(!cb.isSelected());
       }
     });
   }
   public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
     Dimension size = cbox.getPreferredSize();
     int xx = tab.getSize().width - size.width;
     Rectangle lastTab = tab.getUI().getTabBounds(tab, tab.getTabCount()-1);
     int tabEnd = lastTab.x + lastTab.width;
     if(xx<tabEnd) xx = tabEnd;
     rect = new Rectangle(xx, -2, size.width, size.height);
     SwingUtilities.paintComponent(g, cbox, dummy, rect);
   }
   public Insets getBorderInsets(Component c) {
     return new Insets(0,0,0,0);
   }
   public boolean isBorderOpaque() {
     return true;
   }
   private void dispatchEvent(MouseEvent me) {
     if(rect==null || !rect.contains(me.getX(), me.getY())) return;
     Point pt = me.getPoint();
     pt.translate(0, 0);
     cbox.setBounds(rect);
     cbox.dispatchEvent(new MouseEvent(
       cbox, me.getID(), me.getWhen(), me.getModifiers(),
       pt.x, pt.y, me.getClickCount(), me.isPopupTrigger(), me.getButton()));
   }
   public void mouseClicked(MouseEvent me) {
     dispatchEvent(me);
   }
   public void mouseEntered(MouseEvent me) {
     dispatchEvent(me);
   }
   public void mouseExited(MouseEvent me) {
     dispatchEvent(me);
   }
   public void mousePressed(MouseEvent me) {
     dispatchEvent(me);
   }
   public void mouseReleased(MouseEvent me) {
     dispatchEvent(me);
   }
 }
  @Override public void paintBorder(
      Component c, Graphics g, int x, int y, int width, int height) {
    Dimension size = checkBox.getPreferredSize();
    int xx = tab.getSize().width - size.width;
    Rectangle lastTab = tab.getBoundsAt(tab.getTabCount() - 1);
    int tabEnd = lastTab.x + lastTab.width;
    if (xx < tabEnd) {
      xx = tabEnd;
    }
    rect.setBounds(xx, -2, size.width, size.height);
    SwingUtilities.paintComponent(g, checkBox, rubberStamp, rect);
  }

-&jnlp;
-&jar;
-&zip;
  @Override public Insets getBorderInsets(Component c) {
    return new Insets(0, 0, 0, 0);
  }

#spandel
**解説 [#md0e801a]
#spanend
#spandel
JTabbedPaneのBorderにSwingUtilities.paintComponentメソッドを使ってJCheckBoxを描画しています。JCheckBoxのイベントが伝播しないようにダミーパネルを中間コンテナに指定しています。
#spanend
  @Override public boolean isBorderOpaque() {
    return true;
  }

#spandel
**参考リンク [#ze3b3f0b]
#spanend
-[[JTabbedPaneの余白に文字列を表示>Swing/TabbedPaneWithText]]
  private void dispatchEvent(MouseEvent e) {
    if (!rect.contains(e.getX(), e.getY())) {
      return;
    }
    checkBox.setBounds(rect);
    checkBox.dispatchEvent(SwingUtilities.convertMouseEvent(tab, e, checkBox));
  }

#spandel
**コメント [#n00381b0]
#spanend
  @Override public void mouseClicked(MouseEvent e) {
    dispatchEvent(e);
  }
#spanadd

#spanend
  @Override public void mouseEntered(MouseEvent e) {
    dispatchEvent(e);
  }
#spanadd

#spanend
  @Override public void mouseExited(MouseEvent e) {
    dispatchEvent(e);
  }
#spanadd

#spanend
  @Override public void mousePressed(MouseEvent e) {
    dispatchEvent(e);
  }
#spanadd

#spanend
  @Override public void mouseReleased(MouseEvent e) {
    dispatchEvent(e);
  }
#spanadd
}
#spanend
#spanadd