A simple file chooser to see what it takes to make one of these work : File Chooser « Swing JFC « Java

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Java » Swing JFC » File Chooser 




A simple file chooser to see what it takes to make one of these work
A simple file chooser to see what it takes to make one of these work
     
/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O'Reilly 
*/
//SimpleFileChooser.java
//A simple file chooser to see what it takes to make one of these work.
//
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;

public class SimpleFileChooser extends JFrame {

public SimpleFileChooser() {
 super("File Chooser Test Frame");
 setSize(350200);
 setDefaultCloseOperation(EXIT_ON_CLOSE);

 Container c = getContentPane();
 c.setLayout(new FlowLayout());
 
 JButton openButton = new JButton("Open");
 JButton saveButton = new JButton("Save");
 JButton dirButton = new JButton("Pick Dir");
 final JLabel statusbar = 
              new JLabel("Output of your selection will go here");

 // Create a file chooser that opens up as an Open dialog
 openButton.addActionListener(new ActionListener() {
   public void actionPerformed(ActionEvent ae) {
     JFileChooser chooser = new JFileChooser();
     chooser.setMultiSelectionEnabled(true);
     int option = chooser.showOpenDialog(SimpleFileChooser.this);
     if (option == JFileChooser.APPROVE_OPTION) {
       File[] sf = chooser.getSelectedFiles();
       String filelist = "nothing";
       if (sf.length > 0filelist = sf[0].getName();
       for (int i = 1; i < sf.length; i++) {
         filelist += ", " + sf[i].getName();
       }
       statusbar.setText("You chose " + filelist);
     }
     else {
       statusbar.setText("You canceled.");
     }
   }
 });

 // Create a file chooser that opens up as a Save dialog
 saveButton.addActionListener(new ActionListener() {
   public void actionPerformed(ActionEvent ae) {
     JFileChooser chooser = new JFileChooser();
     int option = chooser.showSaveDialog(SimpleFileChooser.this);
     if (option == JFileChooser.APPROVE_OPTION) {
       statusbar.setText("You saved " ((chooser.getSelectedFile()!=null)?
                         chooser.getSelectedFile().getName():"nothing"));
     }
     else {
       statusbar.setText("You canceled.");
     }
   }
 });

 // Create a file chooser that allows you to pick a directory
 // rather than a file
 dirButton.addActionListener(new ActionListener() {
   public void actionPerformed(ActionEvent ae) {
     JFileChooser chooser = new JFileChooser();
     chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
     int option = chooser.showOpenDialog(SimpleFileChooser.this);
     if (option == JFileChooser.APPROVE_OPTION) {
       statusbar.setText("You opened " ((chooser.getSelectedFile()!=null)?
                         chooser.getSelectedFile().getName():"nothing"));
     }
     else {
       statusbar.setText("You canceled.");
     }
   }
 });

 c.add(openButton);
 c.add(saveButton);
 c.add(dirButton);
 c.add(statusbar);
}

public static void main(String args[]) {
 SimpleFileChooser sfc = new SimpleFileChooser();
 sfc.setVisible(true);
}
}


           
         
    
    
    
    
  














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21.void javax.swing.JFileChooser.setDialogType(int dialogType)
22.Changing the Text of the Approve Button in a JFileChooser Dialog
23.Determining If a File Is Hidden
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25.Enabling Multiple Selections in a JFileChooser Dialog
26.Listening for Changes to the Selected File in a JFileChooser Dialog
27.Getting the File-Type Name of a File
28.Getting and Setting the Selected File of a JFileChooser Dialog
29.Getting and Setting the Current Directory of a JFileChooser Dialog
30.Determining If the Approve or Cancel Button Was Clicked in a JFileChooser Dialog
31.Adding a Filter to a File Chooser Dialog
32.Displaying Only Directories in a File Chooser Dialog
33.Creating a JFileChooser Dialog
34.Localize a JFileChooser
35.Select a directory with a JFileChooser
36.Disable the JFileChooser's "New folder" button
37.Validate a filename from a JFileChooser
38.extends FileView to create custom File chooser
39.Suffix FileFilter
40.Extension File Filter
41.Files filter that filters files by their suffix (or extension)
42.Generic File Filter
43.Get Directory Choice
44.Get File Choice
45.A file view that displays an icon for all files that match a file filterA file view that displays an icon for all files that match a file filter
46.Dir File Filter extends javax.swing.filechooser.FileFilter
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