Custom FileView for Some Java-Related File Types : JFileChooser « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. JFileChooser

FileView is the area where all the file names are listed.

import java.io.File;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileView;

class JavaFileView extends FileView {
  Icon jarIcon = new ImageIcon("yourFile.gif");

  public String getName(File file) {
    String filename = file.getName();
    if (filename.endsWith(".java")) {
      String name = filename + " : " + file.length();
      return name;
    }
    return null;
  }
  public String getTypeDescription(File file) {
    String typeDescription = null;
    String filename = file.getName().toLowerCase();

    if (filename.endsWith(".java") || filename.endsWith(".class")) {
      typeDescription = "Java Source";
    }
    return typeDescription;
  }

  public Icon getIcon(File file) {
    if (file.isDirectory()) {
      return null;
    }
    Icon icon = null;
    String filename = file.getName().toLowerCase();
    if (filename.endsWith(".java") || filename.endsWith(".class")) {
      icon = jarIcon;
    }
    return icon;
  }
}
public class UsingFileView {
  public static void main(String[] a){
    JFileChooser fileChooser = new JFileChooser();
    fileChooser.setFileView(new JavaFileView());
    fileChooser.showOpenDialog(null);
  }
}

14.77.JFileChooser
	14.77.1.	JFileChooser
	14.77.2.	JFileChooser is a standard dialog for selecting a file from the file system.
	14.77.3.	Getting and Setting the Selected File of a JFileChooser Dialog
	14.77.4.	Getting and Setting the Current Directory of a JFileChooser Dialog
	14.77.5.	Determining If the Approve or Cancel Button Was Clicked in a JFileChooser Dialog
	14.77.6.	Displaying Only Directories in a File Chooser Dialog
	14.77.7.	Creating a JFileChooser Dialog
	14.77.8.	Select a directory with a JFileChooser
	14.77.9.	Disable the JFileChooser 'New folder' button
	14.77.10.	Listening for Approve and Cancel Events in a JFileChooser Dialog
	14.77.11.	Using JFileChooser
	14.77.12.	Working with File Filters
	14.77.13.	To enable the display of hidden files
	14.77.14.	The JFileChooser supports three selection modes: files only, directories only, and files and directories
	14.77.15.	Adding Accessory Panels
	14.77.16.	Custom FileView for Some Java-Related File Types
	14.77.17.	Using a JFileChooser in Your JFrame
	14.77.18.	ActionListener for JFileChooser in Your JFrame
	14.77.19.	JFileChooser Selection Option: JFileChooser.APPROVE_OPTION, JFileChooser.CANCEL_OPTION
	14.77.20.	Adding an ActionListener to a JFileChooser to listen for selection of the approval or cancel actions.
	14.77.21.	Listening for Changes to the Selected File in a JFileChooser Dialog
	14.77.22.	Getting the File-Type Icon of a File
	14.77.23.	Getting the Large File-Type Icon of a File
	14.77.24.	Localize a JFileChooser
	14.77.25.	Determining If a File Is Hidden
	14.77.26.	Showing Hidden Files in a JFileChooser Dialog
	14.77.27.	Changing the Text of the Approve Button in a JFileChooser Dialog
	14.77.28.	Enabling Multiple Selections in a JFileChooser Dialog
	14.77.29.	Adding a Filter to a File Chooser Dialog
	14.77.30.	A convenience implementation of FileFilter that filters out all files except for those type extensions that it knows about.
	14.77.31.	Customizing a JFileChooser Look and Feel
	14.77.32.	Get Directory Choice
	14.77.33.	Get File Choice