Java tutorial
/* * PHEX - The pure-java Gnutella-servent. * Copyright (C) 2001 - 2006 Phex Development Group * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Created on 14.07.2005 * --- CVS Information --- * $Id: FileDialogHandler.java 4363 2009-01-16 10:37:30Z gregork $ */ package phex.gui.common; import java.awt.Component; import java.awt.Container; import java.awt.FileDialog; import java.awt.Point; import java.io.File; import java.io.FilenameFilter; import javax.swing.JComponent; import javax.swing.JFileChooser; import javax.swing.event.AncestorEvent; import javax.swing.event.AncestorListener; import javax.swing.filechooser.FileFilter; import org.apache.commons.lang.SystemUtils; import phex.gui.macosx.MacOsxGUIUtils; import phex.utils.DirectoryOnlyFileFilter; public class FileDialogHandler { public static File openSingleDirectoryChooser(Component parent, String title, String approveBtnText, char approveBtnMnemonic, File currentDirectory) { if (SystemUtils.IS_OS_MAC_OSX) { return openMacDirectoryChooser(title, null, null); } else { return openDefaultSingleChooser(parent, initDefaultChooser(title, approveBtnText, approveBtnMnemonic, new DirectoryOnlyFileFilter(), JFileChooser.DIRECTORIES_ONLY, currentDirectory, null, null)); } } public static File[] openMultipleDirectoryChooser(Component parent, String title, String approveBtnText, char approveBtnMnemonic, File currentDirectory) { return openMultipleDirectoryChooser(parent, title, approveBtnText, approveBtnMnemonic, currentDirectory, null, null); } public static File[] openMultipleDirectoryChooser(Component parent, String title, String approveBtnText, char approveBtnMnemonic, File currentDirectory, String notifyPopupTitle, String notifyPopupShortMessage) { if (SystemUtils.IS_OS_MAC_OSX) { return new File[] { openMacDirectoryChooser(title, notifyPopupTitle, notifyPopupShortMessage) }; } else { return openDefaultMultiChooser(parent, initDefaultChooser(title, approveBtnText, approveBtnMnemonic, new DirectoryOnlyFileFilter(), JFileChooser.DIRECTORIES_ONLY, currentDirectory, notifyPopupTitle, notifyPopupShortMessage)); } } private static File openMacDirectoryChooser(String title, String notifyPopupTitle, String notifyPopupShortMessage) { // create folder dialog through other class this prevents // NoClassDefFoundError on Windows systems since the import of the // required OS X classes is elsewhere. FileDialog dia = MacOsxGUIUtils.createFolderDialog(); dia.setTitle(title); // unfortunatly its not possible to display notification popup // besides heavy weight dialog. //if ( notifyPopupTitle != null || notifyPopupShortMessage != null ) //{ //displayMacNotificationPopup( dia, notifyPopupTitle, // notifyPopupShortMessage ); //} DirectoryOnlyFileFilter filter = new DirectoryOnlyFileFilter(); dia.setFilenameFilter(new FileFilterWrapper(filter)); dia.setVisible(true); String dirStr = dia.getDirectory(); String fileStr = dia.getFile(); if (dirStr == null || fileStr == null) { return null; } File file = new File(dirStr, fileStr); // validate filter if (!filter.accept(file)) { return null; } return file; } private static JFileChooser initDefaultChooser(String title, String approveBtnText, char approveBtnMnemonic, FileFilter filter, int mode, File currentDirectory, String notifyPopupTitle, String notifyPopupShortMessage) { JFileChooser chooser = new JFileChooser(); if (notifyPopupTitle != null || notifyPopupShortMessage != null) { displayNotificationPopup(chooser, notifyPopupTitle, notifyPopupShortMessage); } if (currentDirectory != null) { chooser.setCurrentDirectory(currentDirectory); } if (filter != null) { chooser.setFileFilter(filter); } chooser.setFileSelectionMode(mode); chooser.setDialogTitle(title); chooser.setApproveButtonText(approveBtnText); chooser.setApproveButtonMnemonic(approveBtnMnemonic); return chooser; } private static File[] openDefaultMultiChooser(Component parent, JFileChooser chooser) { chooser.setMultiSelectionEnabled(true); int returnVal = chooser.showOpenDialog(parent); if (returnVal == JFileChooser.APPROVE_OPTION) { return chooser.getSelectedFiles(); } return null; } private static File openDefaultSingleChooser(Component parent, JFileChooser chooser) { chooser.setMultiSelectionEnabled(false); int returnVal = chooser.showOpenDialog(parent); if (returnVal == JFileChooser.APPROVE_OPTION) { return chooser.getSelectedFile(); } return null; } /** * @param chooser */ private static void displayNotificationPopup(JComponent chooser, String title, String shortMessage) { final SlideInWindow window = new SlideInWindow(title, 0); window.setShortMessage(shortMessage, true); window.setHideBtnShown(false); window.initializeComponent(); window.setSize(200, 150); chooser.addAncestorListener(new AncestorListener() { public void ancestorAdded(AncestorEvent event) { window.setVisible(true); } public void ancestorRemoved(AncestorEvent event) { window.setVisible(false); } public void ancestorMoved(AncestorEvent event) { Container ancestor = event.getAncestor(); Point loc = ancestor.getLocationOnScreen(); int xPos = loc.x + ancestor.getWidth() + 5; int yPos = loc.y + ancestor.getHeight() - window.getHeight(); window.setLocation(xPos, yPos); } }); } /** * Displays the notification popup with handling the special Mac OSX cases. */ // private static void displayMacNotificationPopup( Window chooser, // String title, String shortMessage ) // { // final SlideInWindow window = new SlideInWindow( title, 0); // window.setShortMessage(shortMessage, true); // window.setHideBtnShown( false ); // window.initializeComponent(); // //window.pack(); // // chooser.addComponentListener(new ComponentListener() // { // public void componentResized( ComponentEvent e ) // { //System.out.println("resized " + e); // Component comp = e.getComponent(); // Point loc = comp.getLocationOnScreen(); // int xPos = loc.x + comp.getWidth() + 5; // int yPos = loc.y + comp.getHeight() - window.getHeight(); // window.setLocation( xPos, yPos); // } // // public void componentMoved( ComponentEvent e ) // { //System.out.println("moved " + e); // Component comp = e.getComponent(); // Point loc = comp.getLocationOnScreen(); // int xPos = loc.x + comp.getWidth() + 5; // int yPos = loc.y + comp.getHeight() - window.getHeight(); // window.setLocation( xPos, yPos); // } // // public void componentShown( ComponentEvent e ) // { // System.out.println("shown " + e); // } // // public void componentHidden( ComponentEvent e ) // { // System.out.println("hidden " +e ); // window.setVisible(false); // } // }); // chooser.addWindowListener(new WindowListener() // { // public void windowActivated( WindowEvent e ) // { // System.out.println("window activated " + e); // } // // public void windowClosed( WindowEvent e ) // { // System.out.println("window closed " + e); // window.setVisible(false); // } // // public void windowClosing( WindowEvent e ) // { // System.out.println("window closing " + e); // } // // public void windowDeactivated( WindowEvent e ) // { // System.out.println("window deactivated " + e); // } // // public void windowDeiconified( WindowEvent e ) // { // System.out.println("window deiconified " + e); // } // // public void windowIconified( WindowEvent e ) // { // System.out.println("window iconified " + e); // } // // public void windowOpened( WindowEvent e ) // { // System.out.println("window opened " + e); // Component comp = e.getComponent(); // Point loc = comp.getLocationOnScreen(); // int xPos = loc.x + comp.getWidth() + 5; // int yPos = loc.y + comp.getHeight() - window.getHeight(); // window.setLocation( xPos, yPos); // window.setVisible(true); // } // // }); // chooser.addHierarchyBoundsListener(new HierarchyBoundsListener() // { // public void ancestorMoved( HierarchyEvent e ) // { // System.out.println("ancestor moved " + e); // } // // public void ancestorResized( HierarchyEvent e ) // { // System.out.println("ancestor resized " + e); // } // // }); // chooser.addPropertyChangeListener(new PropertyChangeListener() // { // public void propertyChange( PropertyChangeEvent evt ) // { // System.out.println("property changed " + evt); // } // }); // chooser.addWindowStateListener(new WindowStateListener() // { // public void windowStateChanged( WindowEvent e ) // { // System.out.println("state changed " + e); // } // }); // // for ( int i = 0; i < chooser.getComponentCount(); i++ ) // { // System.out.println( chooser.getComponent(i) ); // } // System.out.println(chooser.getComponentCount()); // if ( chooser.getComponentCount() > 0 ) // { // Component comp = chooser.getComponent(0); // comp.addComponentListener( new ComponentListener() // { // public void componentResized( ComponentEvent e ) // { //System.out.println("comp resized " + e ); // Component comp = e.getComponent(); // Point loc = comp.getLocationOnScreen(); // int xPos = loc.x + comp.getWidth() + 5; // int yPos = loc.y + comp.getHeight() - window.getHeight(); // window.setLocation( xPos, yPos); // } // // public void componentMoved( ComponentEvent e ) // { // System.out.println("comp moved " + e ); // Component comp = e.getComponent(); // Point loc = comp.getLocationOnScreen(); // int xPos = loc.x + comp.getWidth() + 5; // int yPos = loc.y + comp.getHeight() - window.getHeight(); // window.setLocation( xPos, yPos); // } // // public void componentShown( ComponentEvent e ) // { // System.out.println("comp shown " + e ); // } // // public void componentHidden( ComponentEvent e ) // { // System.out.println("comp hidden " + e ); // } // }); // } // // } private static class FileFilterWrapper implements FilenameFilter { private FileFilter filter; public FileFilterWrapper(FileFilter filter) { this.filter = filter; } public boolean accept(File dir, String name) { return filter.accept(new File(dir, name)); } } }