JSplitPane - 将应用程序拆分为两个？

Question

我做了一个Java swing应用程序。我的主要课程是整个SwingUtilities.invokeLater(new Runnable()的东西。这里的一切是我用过

我的第二类：

JPanel container = (JPanel) getContentPane(); 

然后通过调用添加了所有位..

container.add([name of component] 

我现在想获得这整个“应用”变成JSplitPane。因此，我希望我的应用程序在一边，而另一边在右边。

我该怎么做？

public class one{ 
     SwingUtilities.invokeLater(new Runnable() { 
      @Override 
      public void run() { 
      JFrame f = new App("main"); 
      f.setSize(1920,1080); 
      f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
      f.setVisible(true); 
} 


public class App extends JFrame { 
     SuppressWarnings("empty-statement") 
     public App(String title) { 
     super(title); 
     JPanel container = (JPanel) getContentPane(); 

     container.setLayout(new GridBagLayout()); 
     GridBagConstraints c = new GridBagConstraints(); 
     JButton new button = new JButton("new"); 
     c.gridx = 0; 
     c.gridy = 0; 
     c.gridwidth = 2; 
     //ENTER LOTS OF CONSTRAINTS 
     container.add(new, c); 

     JButton next to button = new JButton("next to"); 
     c.gridx = 1; 
     c.gridy = 1; 
     c.gridwidth = 2; 
     //ENTER LOTS OF CONSTRAINTS 
     container.add(new, c); 

     //I HAVE LOTS OF SWING COMPONENTS AND BUTTONS about 30 

} 

我希望所有这些都在拆分窗格的左侧？

我该怎么做？

Answer 1

1. 不要从JFrame扩展，你不添加任何功能，而是将所有你的应用程序组件和逻辑来独立JPanel
2. 创建JSplitPane的实例，添加“主”面板它，二级面板添加你给它
3. 创建JFrame的实例，拆分窗格添加到它...

修订

public class TestSplitPane { 

    public static void main(String[] args) { 
     new TestSplitPane(); 
    } 

    public TestSplitPane() { 
     EventQueue.invokeLater(new Runnable() { 
      @Override 
      public void run() { 
       try { 
        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); 
       } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) { 
       } 

       JSplitPane pane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT); 
       pane.setLeftComponent(new MainPane()); 
       pane.setRightComponent(new JLabel("On the right")); 

       JFrame frame = new JFrame(); 
       frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
       frame.setLayout(new BorderLayout()); 
       frame.add(pane); 
       frame.pack(); 
       frame.setLocationRelativeTo(null); 
       frame.setVisible(true); 
      } 
     }); 
    } 

    public class MainPane extends JPanel { 

     public MainPane() { 
      setLayout(new GridBagLayout()); 
      GridBagConstraints c = new GridBagConstraints(); 
      JButton newButton = new JButton("new"); 
      c.gridx = 0; 
      c.gridy = 0; 
      c.gridwidth = 2; 
      //ENTER LOTS OF CONSTRAINTS 
      add(newButton, c); 

      JButton next = new JButton("next to"); 
      c.gridx = 1; 
      c.gridy = 1; 
      c.gridwidth = 2; 
      //ENTER LOTS OF CONSTRAINTS 
      add(next, c); 
     } 
    } 
}