TITLE:JCheckBoxMenuItemのチェックアイコンを変更する
#navi(../)
RIGHT:Posted by &author(aterai); at 2009-09-14
*JCheckBoxMenuItemのチェックアイコンを変更する [#k2a3724f]
JCheckBoxMenuItemのチェックアイコンを変更します。
-&jnlp;
-&jar;
-&zip;
//#screenshot
#ref(http://lh4.ggpht.com/_9Z4BYR88imo/TQTI5TuivhI/AAAAAAAAATg/nfren8EjliA/s800/CheckBoxMenuItemIcon.png)
**サンプルコード [#c08d0549]
#code(link){{
UIManager.put("CheckBoxMenuItem.checkIcon", new Icon() {
public void paintIcon(Component c, Graphics g, int x, int y) {
Graphics2D g2 = (Graphics2D)g;
g2.translate(x,y);
ButtonModel m = ((AbstractButton)c).getModel();
g2.setPaint(m.isSelected()?Color.ORANGE:Color.GRAY);
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.fillOval( 0, 2, 10, 10 );
g2.translate(-x,-y);
}
public int getIconWidth() { return 14; }
public int getIconHeight() { return 14; }
});
menu.add(new JCheckBoxMenuItem("checkIcon test"));
}}
**解説 [#ue1f4cb7]
JCheckBoxのチェックアイコンは、setIconメソッドで変更できますが、JCheckBoxMenuItemはチェックアイコンとは別のアイコンが設定されるので、UIManager.put("CheckBoxMenuItem.checkIcon", icon);を使用しています。
**参考リンク [#v79a8926]
-[[JRadioButtonMenuItemのチェックアイコンを変更する>Swing/RadioButtonMenuItemIcon]]
**コメント [#d9e8a82c]
- Nimbusなどの場合 -- [[aterai]] &new{2009-11-20 (金) 13:54:08};
#code{{
import java.awt.*;
import java.awt.geom.*;
import javax.swing.*;
// JDK 1.6
import com.sun.java.swing.*;
import com.sun.java.swing.plaf.nimbus.*;
// JDK 1.7
//import javax.swing.plaf.nimbus.*;
class NimbusCheckIconTest {
public JMenuBar createMenuBar() {
JCheckBoxMenuItem cbmi = new JCheckBoxMenuItem("checkIcon test");
UIDefaults d = new UIDefaults();
d.put("CheckBoxMenuItem[Enabled].checkIconPainter",
new MyCheckBoxMenuItemPainter(
MyCheckBoxMenuItemPainter.CHECKICON_ENABLED));
d.put("CheckBoxMenuItem[MouseOver].checkIconPainter",
new MyCheckBoxMenuItemPainter(
MyCheckBoxMenuItemPainter.CHECKICON_MOUSEOVER));
d.put("CheckBoxMenuItem[Enabled+Selected].checkIconPainter",
new MyCheckBoxMenuItemPainter(
MyCheckBoxMenuItemPainter.CHECKICON_ENABLED_SELECTED));
d.put("CheckBoxMenuItem[MouseOver+Selected].checkIconPainter",
new MyCheckBoxMenuItemPainter(
MyCheckBoxMenuItemPainter.CHECKICON_SELECTED_MOUSEOVER));
cbmi.putClientProperty("Nimbus.Overrides", d);
cbmi.putClientProperty("Nimbus.Overrides.InheritDefaults", false);
JMenuBar menuBar = new JMenuBar();
JMenu menu = new JMenu("A Menu");
menuBar.add(menu);
menu.add(new JCheckBoxMenuItem("default"));
menu.add(cbmi);
menuBar.add(menu);
return menuBar;
}
public Container createContentPane() {
JPanel contentPane = new JPanel(new BorderLayout());
contentPane.setOpaque(true);
contentPane.add(new JScrollPane(new JTextArea()));
return contentPane;
}
private static void createAndShowGUI() {
try{
for(UIManager.LookAndFeelInfo laf: UIManager.getInstalledLookAndFeels())
if("Nimbus".equals(laf.getName()))
UIManager.setLookAndFeel(laf.getClassName());
}catch(Exception e) {
e.printStackTrace();
}
NimbusCheckIconTest demo = new NimbusCheckIconTest();
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setJMenuBar(demo.createMenuBar());
f.setContentPane(demo.createContentPane());
f.setSize(320, 240);
f.setLocationRelativeTo(null);
f.setVisible(true);
}
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() { createAndShowGUI(); }
});
}
}
//copy: CheckBoxMenuItemPainter.java
class MyCheckBoxMenuItemPainter extends AbstractRegionPainter {
static final int CHECKICON_ENABLED_SELECTED = 6;
static final int CHECKICON_SELECTED_MOUSEOVER = 7;
static final int CHECKICON_ENABLED = 8;
static final int CHECKICON_MOUSEOVER = 9;
private int state;
private PaintContext ctx;
public MyCheckBoxMenuItemPainter(int state) {
super();
this.state = state;
this.ctx = new AbstractRegionPainter.PaintContext(
new Insets(5, 5, 5, 5), new Dimension(9, 10), false, null, 1.0, 1.0);
}
@Override
protected void doPaint(Graphics2D g, JComponent c,
int width, int height, Object[] eckey) {
switch(state) {
case CHECKICON_ENABLED:
paintcheckIconEnabled(g); break;
case CHECKICON_MOUSEOVER:
paintcheckIconMouseOver(g); break;
case CHECKICON_ENABLED_SELECTED:
paintcheckIconEnabledAndSelected(g); break;
case CHECKICON_SELECTED_MOUSEOVER:
paintcheckIconSelectedAndMouseOver(g); break;
}
}
@Override
protected final PaintContext getPaintContext() {
return ctx;
}
private void paintcheckIconEnabled(Graphics2D g) {
g.setPaint(Color.GREEN);
g.drawOval( 0, 0, 10, 10 );
}
private void paintcheckIconMouseOver(Graphics2D g) {
g.setPaint(Color.PINK);
g.drawOval( 0, 0, 10, 10 );
}
private void paintcheckIconEnabledAndSelected(Graphics2D g) {
g.setPaint(Color.ORANGE);
g.fillOval( 0, 0, 10, 10 );
}
private void paintcheckIconSelectedAndMouseOver(Graphics2D g) {
g.setPaint(Color.CYAN);
g.fillOval( 0, 0, 10, 10 );
}
}
}}
#comment