Google Tag Manager

Showing posts with label JToggleButton. Show all posts
Showing posts with label JToggleButton. Show all posts

2017/02/27

aterai

Click on the already selected JToggleButton and clear all selections in the ButtonGroup

Code

class ToggleButtonGroup extends ButtonGroup {
  private ButtonModel prevModel;
  private boolean isAdjusting;
  @Override public void setSelected(ButtonModel m, boolean b) {
    if (isAdjusting) {
      return;
    }
    if (m.equals(prevModel)) {
      isAdjusting = true;
      clearSelection();
      isAdjusting = false;
    } else {
      super.setSelected(m, b);
    }
    prevModel = getSelection();
  }
}

References

2015/01/29

aterai

Show/Hide PasswordField

Code

JPasswordField pf = new JPasswordField(24);
pf.setText("abcdefghijklmn");
pf.setAlignmentX(Component.RIGHT_ALIGNMENT);
AbstractDocument doc = (AbstractDocument) pf.getDocument();
doc.setDocumentFilter(new ASCIIOnlyDocumentFilter());

AbstractButton b = new JToggleButton(new AbstractAction() {
  @Override public void actionPerformed(ActionEvent e) {
    AbstractButton c = (AbstractButton) e.getSource();
    Character ec = c.isSelected() ? 0
        : (Character) UIManager.get("PasswordField.echoChar");
    pf.setEchoChar(ec);
  }
});
b.setFocusable(false);
b.setOpaque(false);
b.setContentAreaFilled(false);
b.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 4));
b.setAlignmentX(Component.RIGHT_ALIGNMENT);
b.setAlignmentY(Component.CENTER_ALIGNMENT);
b.setIcon(new ColorIcon(Color.GREEN));
b.setRolloverIcon(new ColorIcon(Color.BLUE));
b.setSelectedIcon(new ColorIcon(Color.RED));
b.setRolloverSelectedIcon(new ColorIcon(Color.ORANGE));

JPanel panel = new JPanel() {
  @Override public boolean isOptimizedDrawingEnabled() {
    return false;
  }
};
panel.setLayout(new OverlayLayout(panel));
panel.add(b);
panel.add(pf);

References

2008/12/15

aterai

Adding JPopupMenu to JToolBar-Button

Code

class MenuArrowIcon implements Icon {
  public void paintIcon(Component c, Graphics g, int x, int y) {
    Graphics2D g2 = (Graphics2D)g;
    g2.setPaint(Color.BLACK);
    g2.translate(x,y);
    g2.drawLine( 2, 3, 6, 3 );
    g2.drawLine( 3, 4, 5, 4 );
    g2.drawLine( 4, 5, 4, 5 );
    g2.translate(-x,-y);
  }
  public int getIconWidth()  { return 9; }
  public int getIconHeight() { return 9; }
}
class MenuToggleButton extends JToggleButton {
  private static final Icon i = new MenuArrowIcon();
  public MenuToggleButton() {
    this("", null);
  }
  public MenuToggleButton(Icon icon) {
    this("", icon);
  }
  public MenuToggleButton(String text) {
    this(text, null);
  }
  public MenuToggleButton(String text, Icon icon) {
    super();
    Action a = new AbstractAction(text) {
      public void actionPerformed(ActionEvent ae) {
        MenuToggleButton b = (MenuToggleButton)ae.getSource();
        if(pop!=null) pop.show(b, 0, b.getHeight());
      }
    };
    a.putValue(Action.SMALL_ICON, icon);
    setAction(a);
    setFocusable(false);
    setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4+i.getIconWidth()));
  }
  protected JPopupMenu pop;
  public void setPopupMenu(final JPopupMenu pop) {
    this.pop = pop;
    pop.addPopupMenuListener(new PopupMenuListener() {
      public void popupMenuCanceled(PopupMenuEvent e) {}
      public void popupMenuWillBecomeVisible(PopupMenuEvent e) {}
      public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
        setSelected(false);
      }
    });
  }
  public void paintComponent(Graphics g) {
    super.paintComponent(g);
    Dimension dim = getSize();
    Insets ins = getInsets();
    int x = dim.width-ins.right;
    int y = ins.top+(dim.height-ins.top-ins.bottom-i.getIconHeight())/2;
    i.paintIcon(this, g, x, y);
  }
}

References