Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
JFileChooserTest.java
/* |
File: JFileChooserTest.java |
Description:Demonstrates behavior of the (Aqua) Swing JFileChooser dialog in |
Mac OS X. Also illustrates available runtime options to handle |
Mac-specific conditions. |
This sample is designed for Java 1.4.1 and later on Mac OS X. |
Author: md |
Copyright: © Copyright 2003 Apple Computer, Inc. All rights reserved. |
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. |
("Apple") in consideration of your agreement to the following terms, and your |
use, installation, modification or redistribution of this Apple software |
constitutes acceptance of these terms. If you do not agree with these terms, |
please do not use, install, modify or redistribute this Apple software. |
In consideration of your agreement to abide by the following terms, and subject |
to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs |
copyrights in this original Apple software (the "Apple Software"), to use, |
reproduce, modify and redistribute the Apple Software, with or without |
modifications, in source and/or binary forms; provided that if you redistribute |
the Apple Software in its entirety and without modifications, you must retain |
this notice and the following text and disclaimers in all such redistributions of |
the Apple Software. Neither the name, trademarks, service marks or logos of |
Apple Computer, Inc. may be used to endorse or promote products derived from the |
Apple Software without specific prior written permission from Apple. Except as |
expressly stated in this notice, no other rights or licenses, express or implied, |
are granted by Apple herein, including but not limited to any patent rights that |
may be infringed by your derivative works or by other works in which the Apple |
Software may be incorporated. |
The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO |
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED |
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN |
COMBINATION WITH YOUR PRODUCTS. |
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR |
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION |
OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT |
(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN |
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Change History (most recent first): |
04282003 mdrance Initial Submission |
*/ |
package com.apple.dts.samplecode.funwithfiledialogs; |
import java.awt.*; |
import java.awt.event.*; |
import java.io.File; |
import javax.swing.*; |
public class JFileChooserTest extends JPanel implements ActionListener { |
JButton showJFC; |
JCheckBox navigateApps, navigatePkgs, multiSelect; |
ButtonGroup fileSelectionMode; |
JRadioButton files, folders, both; |
JTextArea selectionDisplay; |
JLabel resultsCaption; |
JPanel controls, selectionMode, buttonPanel, resultsPanel; |
JFileChooser jfc; |
// Property names and values for Mac OS X JFileChooser properties |
final static String PKG = "JFileChooser.packageIsTraversable"; |
final static String APP = "JFileChooser.appBundleIsTraversable"; |
final static String ALWAYS = "always"; |
final static String NEVER = "never"; |
public JFileChooserTest() { |
setLayout(new GridLayout(2, 1)); |
add(controls = new JPanel(new GridLayout(5,1))); |
// UI for Mac OS X-specific behavior: Navigation of |
// .app bundles and .pkg installer packages. |
controls.add(navigateApps = new JCheckBox("Navigate .apps", true)); |
controls.add(navigatePkgs = new JCheckBox("Navigate .pkgs", true)); |
// UI for standard Multiple File Selection option |
controls.add(multiSelect = new JCheckBox("Multiple File Selection")); |
// group of JRadioButtons to handle standard file navigation |
controls.add(selectionMode = new JPanel(new FlowLayout())); |
selectionMode.add(files = new JRadioButton("Files Only")); |
selectionMode.add(folders = new JRadioButton("Folders Only")); |
selectionMode.add(both = new JRadioButton("Files and Folders", true)); |
fileSelectionMode = new ButtonGroup(); |
fileSelectionMode.add(files); |
fileSelectionMode.add(folders); |
fileSelectionMode.add(both); |
// Map JFileChooser nav options to the appropriate radio button. |
// These will be checked before showing the JFileChooser. |
files.setActionCommand(String.valueOf(JFileChooser.FILES_ONLY)); |
folders.setActionCommand(String.valueOf(JFileChooser.DIRECTORIES_ONLY)); |
both.setActionCommand(String.valueOf(JFileChooser.FILES_AND_DIRECTORIES)); |
controls.add(buttonPanel = new JPanel()); |
buttonPanel.add(showJFC = new JButton("Show JFileChooser")); |
add(resultsPanel = new JPanel(new BorderLayout())); |
resultsPanel.add(selectionDisplay = new JTextArea()); |
resultsPanel.add(resultsCaption = new JLabel("Selected File(s):"), BorderLayout.NORTH); |
showJFC.addActionListener(this); |
// add(options); |
jfc = new JFileChooser(); |
} |
public void actionPerformed (ActionEvent e) { |
// Mac OS X .app/.pkg options are set using putClientProperty |
// See constants above for keys and values. |
// Note that the properties need only be set before *showing* the dialog; |
// it can be set and re-set at will on a single instance |
jfc.putClientProperty(APP, navigateApps.isSelected() ? ALWAYS : NEVER); |
jfc.putClientProperty(PKG, navigatePkgs.isSelected() ? ALWAYS : NEVER); |
// Check Multi-selection setting |
jfc.setMultiSelectionEnabled(multiSelect.isSelected()); |
// Check the selected radio button for standard navigation options. |
try { |
jfc.setFileSelectionMode(Integer.parseInt(fileSelectionMode.getSelection().getActionCommand())); |
} catch (NumberFormatException ex) { /* allow default behavior */} |
// Display selected file(s) in the text area |
int result = jfc.showOpenDialog(this); |
if (result == JFileChooser.APPROVE_OPTION) { |
selectionDisplay.setText(null); |
if (jfc.isMultiSelectionEnabled()) { |
// List em all |
File[] selections = jfc.getSelectedFiles(); |
for (int i=0; i<selections.length; i++) { |
selectionDisplay.append(selections[i].getName()); |
selectionDisplay.append("\n"); |
} |
} else { |
// Get the single selection. Yes, the API is actually |
// different based on the multiselect bit. |
selectionDisplay.setText(jfc.getSelectedFile().getName()); |
} |
} |
} |
public static void main(String[] args) { |
JFrame jf = new JFrame("JFileChooserTest"); |
jf.getContentPane().add(new JFileChooserTest()); |
jf.pack(); |
jf.setVisible(true); |
} |
} |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-04-30