시소당

SplitPaneDividerDemo 예제

import  javax.swing.*;
import  java.awt.*;
import  java.awt.event.*;
import  java.beans.*;

/*
  *  SplitPaneDividerDemo.java  requires  the  following  files:
  *      SizeDisplayer.java
  *      images/Cat.gif
  *      images/Dog.gif
  */
public  class  SplitPaneDividerDemo  extends  JPanel
                                                                    implements  ActionListener  {

        private  JSplitPane  splitPane;
        
        public  SplitPaneDividerDemo()  {
                super(new  BorderLayout());

                Font  font  =  new  Font("Serif",  Font.ITALIC,  24);

                ImageIcon  icon  =  createImageIcon("images/Cat.gif");
                SizeDisplayer  sd1  =  new  SizeDisplayer("left",  icon);
                sd1.setMinimumSize(new  Dimension(30,30));
                sd1.setFont(font);
                
                icon  =  createImageIcon("images/Dog.gif");
                SizeDisplayer  sd2  =  new  SizeDisplayer("right",  icon);
                sd2.setMinimumSize(new  Dimension(60,60));
                sd2.setFont(font);
                
                splitPane  =  new  JSplitPane(JSplitPane.HORIZONTAL_SPLIT,
                                                                      sd1,  sd2);
                splitPane.setResizeWeight(0.5);
                splitPane.setOneTouchExpandable(true);
                splitPane.setContinuousLayout(true);
                
                add(splitPane,  BorderLayout.CENTER);
                add(createControlPanel(),  BorderLayout.PAGE_END);
        }

        private  JComponent  createControlPanel()  {
                JPanel  panel  =  new  JPanel();
                JButton  reset  =  new  JButton("Reset");
                reset.addActionListener(this);
                panel.add(reset);
                return  panel;
        }
        
        //Required  by  ActionListener  interface.  Respond  to  reset  button.
        public  void  actionPerformed(ActionEvent  e)  {
                splitPane.resetToPreferredSizes();
        }
        
        /**  Returns  an  ImageIcon,  or  null  if  the  path  was  invalid.  */
        private  static  ImageIcon  createImageIcon(String  path)  {
                java.net.URL  imgURL  =  SplitPaneDividerDemo.class.getResource(path);
                if  (imgURL  !=  null)  {
                        return  new  ImageIcon(imgURL);
                }  else  {
                        System.err.println("Couldn't  find  file:  "  +  path);
                        return  null;
                }
        }

        /**
          *  Create  the  GUI  and  show  it.    For  thread  safety,
          *  this  method  should  be  invoked  from  the
          *  event-dispatching  thread.
          */
        private  static  void  createAndShowGUI()  {
                //Create  and  set  up  the  window.
                JFrame  frame  =  new  JFrame("SplitPaneDividerDemo");
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                //Create  and  set  up  the  content  pane.
                SplitPaneDividerDemo  newContentPane  =  new  SplitPaneDividerDemo();
                newContentPane.setOpaque(true);  //content  panes  must  be  opaque
                frame.setContentPane(newContentPane);

                //Display  the  window.
                frame.pack();
                frame.setVisible(true);
        }

        public  static  void  main(String[]  args)  {
                //Schedule  a  job  for  the  event-dispatching  thread:
                //creating  and  showing  this  application's  GUI.
                javax.swing.SwingUtilities.invokeLater(new  Runnable()  {
                        public  void  run()  {
                                createAndShowGUI();
                        }
                });
        }
}


이미지  부분은  
  *      images/Cat.gif
  *      images/Dog.gif
이곳에  적당한  이미지  두개를  넣어주시면  됩니다.