如何定制JSplitPane分隔线并保持一键式箭头功能？

Question

所以，我的问题归结为这...默认的分隔线是一种丑陋的，再加上我想添加一个标签（在我想要的文本在它的意义上，而不是在“添加一个JLabel到它的布局“感觉）。我看到你可以改变分割窗格分隔线上的边框，但是当我这样做时，它将删除我想要保留的单触箭头。

任何想法，我怎么能有两个？

以下是一个演示这两个默认行为和SSCCE什么，当我改变分隔边境发生的情况：

import javax.swing.*; 
import javax.swing.plaf.basic.BasicSplitPaneDivider; 
import javax.swing.plaf.basic.BasicSplitPaneUI; 
import java.awt.*; 
import java.awt.event.ActionEvent; 
import java.awt.event.ActionListener; 

public class SplitPaneFun { 
public static void main(String[] args) { 

     //Here I'm messing around with the divider look. This seems to remove the one-touch arrows. These blocked-out lines illustrate 
     // what I'm doing to modify the divider's border. Does this look right?: 
    //------------------------------------------------------------------------------------------------ 
    JSplitPane withCustomDivider = new JSplitPane(JSplitPane.VERTICAL_SPLIT, new JPanel(), new JPanel()); 
    BasicSplitPaneDivider divider = ((BasicSplitPaneUI) withCustomDivider.getUI()).getDivider(); 
    withCustomDivider.setOneTouchExpandable(true); 
    divider.setDividerSize(15); 
    divider.setBorder(BorderFactory.createTitledBorder(divider.getBorder(), "Custom border title -- gets rid of the one-touch arrows!")); 
    //------------------------------------------------------------------------------------------------ 

     //build a different splitpane with the default look and behavior just for comparison 
    JSplitPane withDefaultDivider = new JSplitPane(JSplitPane.VERTICAL_SPLIT, new JPanel(), new JPanel()); 
    withDefaultDivider.setOneTouchExpandable(true); 

     //slap it all together and show it... 
    CardLayout splitsLayout = new CardLayout(); 
    final JPanel splits = new JPanel(splitsLayout); 
    splits.add(withCustomDivider, "custom"); 
    splits.add(withDefaultDivider,"default"); 

    JButton toggle = new JButton("click to see the other split pane"); 
    toggle.addActionListener(new ActionListener() { 
     @Override 
     public void actionPerformed(ActionEvent e) { 
      ((CardLayout)splits.getLayout()).next(splits); 
     } 
    }); 

    JFrame frame = new JFrame("Split Pane Divider Comparison"); 
    frame.setLayout(new BorderLayout()); 
    frame.add(splits, BorderLayout.CENTER); 
    frame.add(toggle, BorderLayout.PAGE_END); 
    frame.setSize(600,500); 
    frame.setVisible(true); 
} 
} 

Answer 1

我看，你可以改变在分隔面板分隔边界，但是当我做它消除了我想要保持的一触式箭头。

• 所有这些方法都可以从Mouse(Xxx)Listener，PropertyChangeListener和ButtonModel，没有好周围的物质覆盖事件SubstanceSplitPaneDivider

• 部分Custom Look and Feels覆盖这些方法太