我有一个带有两个组件A和B的JSplitPane,但有时我希望能够隐藏B,以便满足以下任一条件：
>组件A和B在JSplitPane中可见
>只有组件A在JSplitPane占用的空间中可见
有没有办法做到这一点？
解决方法
哎呀,我会尝试解决方案……
import java.awt.Dimension;
import java.awt.event.*;
import javax.swing.*;
public class Test {
public static void main(String[] args) {
JFrame frame = new JFrame();
final JPanel contentPane = (JPanel)frame.getContentPane();
final JButton leftBtn = new JButton("Left Button");
final JButton rightBtn = new JButton("Right Button");
final JSplitPane jsp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,leftBtn,rightBtn);
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEvent e) {
JButton source = (JButton)e.getSource();
if (jsp.isVisible()) {
jsp.remove(rightBtn);
jsp.remove(leftBtn);
jsp.setVisible(false);
contentPane.removeAll();
contentPane.add(source);
} else {
contentPane.removeAll();
jsp.setLeftComponent(leftBtn);
jsp.setRightComponent(rightBtn);
jsp.setDividerLocation(0.5);
jsp.setVisible(true);
contentPane.add(jsp);
}
contentPane.revalidate();
contentPane.repaint();
source.requestFocusInWindow();
}
};
rightBtn.addActionListener(actionListener);
leftBtn.addActionListener(actionListener);
contentPane.add(jsp);
contentPane.setPreferredSize(new Dimension(800,600));
frame.pack();
frame.setLocationRelativeto(null);
frame.setVisible(true);
jsp.setDividerLocation(0.5);
frame.setDefaultCloSEOperation(JFrame.EXIT_ON_CLOSE);
}
}