/*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Kowari Metadata Store.
*
* The Initial Developer of the Original Code is Plugged In Software Pty
* Ltd (http://www.pisoftware.com, mailto:info@pisoftware.com). Portions
* created by Plugged In Software Pty Ltd are Copyright (C) 2001,2002
* Plugged In Software Pty Ltd. All Rights Reserved.
*
* Contributor(s): N/A.
*
* [NOTE: The text of this Exhibit A may differ slightly from the text
* of the notices in the Source Code files of the Original Code. You
* should use the text of this Exhibit A rather than the text found in the
* Original Code Source Code for Your Modifications.]
*
*/
package org.mulgara.demo.mp3.swing.widgets;
// Java 2 standard packages
import javax.swing.*;
import java.awt.*;
// Logging
import org.apache.log4j.Logger;
import java.io.*;
// Local packages
/**
* Utility class for launching a JFileChooser.
*
* @created 2004-12-16
*
* @author <a href="mailto:robert.turner@tucanatech.com">Robert Turner</a>
*
* @version $Revision: 1.3 $
*
* @modified $Date: 2005/01/05 04:58:10 $
*
* @maintenanceAuthor $Author: newmana $
*
* @company <A href="mailto:info@PIsoftware.com">Plugged In Software</A>
*
* @copyright ©2001 <a href="http://www.pisoftware.com/">Plugged In
* Software Pty Ltd</a>
*
* @licence <a href="{@docRoot}/../../LICENCE">Mozilla Public License v1.1</a>
*/
public abstract class FileChooser {
/**
* Logger. This is named after the class.
*/
private final static Logger log = Logger.getLogger(FileChooser.class.getName());
/** Single instance that maintains it's own state (eg. working directory) */
private static JFileChooser chooser = null;
/**
* Default Constructor
*/
private FileChooser() {
}
/**
* Returns the File selected by the file chooser. Or null if Cancel is
* selected.
*
* @param parent Component
* @param buttonText String
* @return File
*/
public static synchronized File chooseFile(Component parent, String buttonText) {
File file = null;
getChooser().setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
int action = getChooser().showDialog(parent, buttonText);
if (action == JFileChooser.APPROVE_OPTION) {
file = getChooser().getSelectedFile();
}
return file;
}
/**
* Returns the Directory selected by the file chooser. Or null if Cancel is
* selected.
*
* @param parent Component
* @param buttonText String
* @return File
*/
public static synchronized File chooseDirectory(Component parent, String buttonText) {
File file = null;
getChooser().setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
int action = getChooser().showDialog(parent, buttonText);
if (action == JFileChooser.APPROVE_OPTION) {
file = getChooser().getSelectedFile();
}
return file;
}
/**
* Returns the FileChooser instance, or creates one if it is null.
* @return JFileChooser
*/
private static JFileChooser getChooser() {
if (chooser == null) {
chooser = new JFileChooser();
}
return chooser;
}
}