Swing/TabbedPaneWithCheckBox のバックアップの現在との差分(No.3)

• バックアップ一覧
• 差分 を表示
• 現在との差分 を表示
• ソース を表示
• バックアップ を表示
• Swing/TabbedPaneWithCheckBox へ行く。

編集者:Terai Atsuhiro~

作成日:2006-04-03
更新日:2024-02-02 (金) 12:19:10

• category: swing folder: TabbedPaneWithCheckBox title: JTabbedPaneの余白にJCheckBoxを配置 tags: [JTabbedPane, JCheckBox, Border] author: aterai pubdate: 2006-04-03T01:35:12+09:00 description: JTabbedPaneの余白にJCheckBoxを配置して特定のタブの開閉を行います。 image:

概要

Screenshot

Download

• Runnable JAR example.jar
• Source code src.zip
• Repository GitHub

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#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
  @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);
  }
#spanadd

#spanend
  @Override public Insets getBorderInsets(Component c) {
    return new Insets(0, 0, 0, 0);
  }
#spanadd

#spanend
  @Override public boolean isBorderOpaque() {
    return true;
  }
#spanadd

#spanend
  private void dispatchEvent(MouseEvent e) {
    if (!rect.contains(e.getX(), e.getY())) {
      return;
    }
    checkBox.setBounds(rect);
    checkBox.dispatchEvent(SwingUtilities.convertMouseEvent(tab, e, checkBox));
  }
#spanadd

#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

• JTabbedPaneのBorderにSwingUtilities.paintComponent(...)メソッドを使ってJCheckBoxを描画
• JCheckBoxがJTabbedPaneの子になってタブが増えないように、別途レンダリング用パネルを作成して中間コンテナに指定
• JTabbedPaneで受け取ったマウスイベントをSwingUtilities.convertMouseEvent(...)メソッドを利用し、チェックボックス用に座標などを変換してイベント転送
• タブとチェックボックスが重ならないようにフレームの最小サイズを設定

   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);
     }
   }
  #spanadd
  frame.setMinimumSize(new Dimension(240, 80));
  #spanend
  

• &jnlp;
• &jar;
• &zip;

• -

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