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我不确定我的标题有多大意义,但既然你应该有一个不错的标题,这是我想出的最好的标题,所以我真正的意思是......
假设理论上我有 10 个选项卡,我不想将它们全部压缩在 1 行中,而是将它们分成 2 个,所以我在上侧有 5 个选项卡,在下侧有 5 个选项卡降低。示例图片:
最佳答案
不清楚你的问题,但 JTabbedPane 中有选项卡的基本方法
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
public class TabComponentsDemo extends JFrame {
private static final long serialVersionUID = 1L;
private final int tabNumber = 15;
private final JTabbedPane pane = new JTabbedPane();
private JMenuItem tabComponentsItem;
private JMenuItem scrollLayoutItem;
public TabComponentsDemo(String title) {
super(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
initMenu();
add(pane);
}
public void runTest() {
pane.removeAll();
for (int i = 0; i < tabNumber; i++) {
String title = "Tab " + i;
pane.add(title, new JLabel(title));
//initTabComponent(i);
}
tabComponentsItem.setSelected(true);
pane.setTabLayoutPolicy(JTabbedPane.WRAP_TAB_LAYOUT);
scrollLayoutItem.setSelected(false);
setSize(new Dimension(400, 200));
setLocationRelativeTo(null);
setVisible(true);
}
/*private void initTabComponent(int i) {
pane.setTabComponentAt(i, new ButtonTabComponent(pane));
}*/
private void initMenu() {//Setting menu
JMenuBar menuBar = new JMenuBar();//create Options menu
tabComponentsItem = new JCheckBoxMenuItem("Use TabComponents", true);
tabComponentsItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T, InputEvent.ALT_MASK));
tabComponentsItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
for (int i = 0; i < pane.getTabCount(); i++) {
if (tabComponentsItem.isSelected()) {
//initTabComponent(i);
} else {
pane.setTabComponentAt(i, null);
}
}
}
});
scrollLayoutItem = new JCheckBoxMenuItem("Set ScrollLayout");
scrollLayoutItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.ALT_MASK));
scrollLayoutItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (pane.getTabLayoutPolicy() == JTabbedPane.WRAP_TAB_LAYOUT) {
pane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
} else {
pane.setTabLayoutPolicy(JTabbedPane.WRAP_TAB_LAYOUT);
}
}
});
JMenuItem resetItem = new JMenuItem("Reset JTabbedPane");
resetItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.ALT_MASK));
resetItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
runTest();
}
});
JMenu optionsMenu = new JMenu("Options");
optionsMenu.add(tabComponentsItem);
optionsMenu.add(scrollLayoutItem);
optionsMenu.add(resetItem);
menuBar.add(optionsMenu);
setJMenuBar(menuBar);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
UIManager.put("swing.boldMetal", Boolean.FALSE);
new TabComponentsDemo("TabComponentsDemo").runTest();
}
});
}
}
关于java - 如何在 JTabbedPane 中制作双线,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/8808193/
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