demojfilechooser.java

来自「TTreeview 的 Java实例 Eclipes环境下」· Java 代码 · 共 64 行

package demo.pluginA.treeview.xmlutils;

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.util.*;
import javax.swing.JFrame;

public class DemoJFileChooser extends JPanel
   implements ActionListener {
   JButton go;
   
   JFileChooser chooser;
   String choosertitle;
   
  public DemoJFileChooser() {
    go = new JButton("Do it");
    go.addActionListener(this);
    add(go);
   }

  public void actionPerformed(ActionEvent e) {
    int result;
        
    chooser = new JFileChooser();
    chooser.setCurrentDirectory(new java.io.File("g:\\temp\\demo.xml"));
    
    chooser.setDialogTitle(choosertitle);
    chooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
    //
    // disable the "All files" option.
    //
    chooser.setAcceptAllFileFilterUsed(false);
    //    
    if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) { 
      System.out.println("getCurrentDirectory(): " 
         +  chooser.getCurrentDirectory());
      System.out.println("getSelectedFile() : " 
         +  chooser.getSelectedFile());
      }
    else {
      System.out.println("No Selection ");
      }
     }
   
  public Dimension getPreferredSize(){
    return new Dimension(200, 200);
    }
    
  public static void main(String s[]) {
    JFrame frame = new JFrame("");
    DemoJFileChooser panel = new DemoJFileChooser();
    frame.addWindowListener(
      new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
          System.exit(0);
          }
        }
      );
    frame.getContentPane().add(panel,"Center");
    frame.setSize(panel.getPreferredSize());
    frame.setVisible(true);
    }
}