【Java】JTabPaneにコントロール（ピクチャーモード）を追加する
ファイル名：
JDK6TabbedPaneExample.java
サンプルコード：
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
public class JDK6TabbedPaneExample {
private JFrame frame = new JFrame();
private JTabbedPane tabbedPane = new JTabbedPane();
private JButton addTabButton = new JButton(“Add Tab");
private ImageIcon closeXIcon = new ImageIcon(“C:/CloseX.gif");
private Dimension closeButtonSize;
private int tabCounter = 0;
public JDK6TabbedPaneExample() {
addTabButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
add();
}
});
closeButtonSize = new Dimension(closeXIcon.getIconWidth() + 2, closeXIcon.getIconHeight() + 2);
frame.add(tabbedPane, BorderLayout.CENTER);
frame.add(addTabButton, BorderLayout.SOUTH);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setMinimumSize(new Dimension(300, 300));
frame.setVisible(true);
}
public void add() {
final JPanel content = new JPanel();
JPanel tab = new JPanel();
tab.setOpaque(false);
JLabel tabLabel = new JLabel(“Tab " + (++tabCounter));
JButton tabCloseButton = new JButton(closeXIcon);
tabCloseButton.setPreferredSize(closeButtonSize);
tabCloseButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int closeTabNumber = tabbedPane.indexOfComponent(content);
tabbedPane.removeTabAt(closeTabNumber);
}
});
tab.add(tabLabel, BorderLayout.WEST);
tab.add(tabCloseButton, BorderLayout.EAST);
tabbedPane.addTab(null, content);
tabbedPane.setTabComponentAt(tabbedPane.getTabCount() – 1, tab);
}
public static void main(String[] args) {
JDK6TabbedPaneExample main = new JDK6TabbedPaneExample();
}
}