src/share/classes/javax/swing/plaf/basic/BasicDirectoryModel.java

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   1 /*
   2  * Copyright (c) 1998, 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.swing.plaf.basic;
  27 
  28 import java.io.File;
  29 import java.util.*;
  30 import java.util.concurrent.Callable;
  31 import javax.swing.*;
  32 import javax.swing.filechooser.*;
  33 import javax.swing.event.*;
  34 import java.beans.*;
  35 
  36 import sun.awt.shell.ShellFolder;
  37 
  38 /**
  39  * Basic implementation of a file list.
  40  *
  41  * @author Jeff Dinkins
  42  */

  43 public class BasicDirectoryModel extends AbstractListModel<Object> implements PropertyChangeListener {
  44 
  45     private JFileChooser filechooser = null;
  46     // PENDING(jeff) pick the size more sensibly
  47     private Vector<File> fileCache = new Vector<File>(50);
  48     private LoadFilesThread loadThread = null;
  49     private Vector<File> files = null;
  50     private Vector<File> directories = null;
  51     private int fetchID = 0;
  52 
  53     private PropertyChangeSupport changeSupport;
  54 
  55     private boolean busy = false;
  56 
  57     public BasicDirectoryModel(JFileChooser filechooser) {
  58         this.filechooser = filechooser;
  59         validateFileCache();
  60     }
  61 
  62     public void propertyChange(PropertyChangeEvent e) {


   1 /*
   2  * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.swing.plaf.basic;
  27 
  28 import java.io.File;
  29 import java.util.*;
  30 import java.util.concurrent.Callable;
  31 import javax.swing.*;
  32 import javax.swing.filechooser.*;
  33 import javax.swing.event.*;
  34 import java.beans.*;
  35 
  36 import sun.awt.shell.ShellFolder;
  37 
  38 /**
  39  * Basic implementation of a file list.
  40  *
  41  * @author Jeff Dinkins
  42  */
  43 @SuppressWarnings("serial") // Superclass is not serializable across versions
  44 public class BasicDirectoryModel extends AbstractListModel<Object> implements PropertyChangeListener {
  45 
  46     private JFileChooser filechooser = null;
  47     // PENDING(jeff) pick the size more sensibly
  48     private Vector<File> fileCache = new Vector<File>(50);
  49     private LoadFilesThread loadThread = null;
  50     private Vector<File> files = null;
  51     private Vector<File> directories = null;
  52     private int fetchID = 0;
  53 
  54     private PropertyChangeSupport changeSupport;
  55 
  56     private boolean busy = false;
  57 
  58     public BasicDirectoryModel(JFileChooser filechooser) {
  59         this.filechooser = filechooser;
  60         validateFileCache();
  61     }
  62 
  63     public void propertyChange(PropertyChangeEvent e) {