2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 //////////////////////////////////////////////////////////////////
24 import jalview.bin.Cache;
25 import jalview.gui.JvOptionPane;
26 import jalview.util.MessageManager;
27 import jalview.util.Platform;
28 import jalview.util.dialogrunner.DialogRunnerI;
30 import java.awt.Component;
31 import java.awt.Dimension;
32 import java.awt.EventQueue;
33 import java.awt.HeadlessException;
34 import java.awt.event.MouseAdapter;
35 import java.awt.event.MouseEvent;
36 import java.beans.PropertyChangeEvent;
37 import java.beans.PropertyChangeListener;
39 import java.util.ArrayList;
40 import java.util.HashMap;
41 import java.util.List;
43 import java.util.StringTokenizer;
44 import java.util.Vector;
46 import javax.swing.DefaultListCellRenderer;
47 import javax.swing.JFileChooser;
48 import javax.swing.JList;
49 import javax.swing.JPanel;
50 import javax.swing.JScrollPane;
51 import javax.swing.SpringLayout;
52 import javax.swing.plaf.basic.BasicFileChooserUI;
55 * Enhanced file chooser dialog box.
57 * NOTE: bug on Windows systems when filechooser opened on directory to view
58 * files with colons in title.
63 public class JalviewFileChooser extends JFileChooser implements DialogRunnerI,
64 PropertyChangeListener
66 private static final long serialVersionUID = 1L;
68 private Map<Object, Runnable> callbacks = new HashMap<>();
70 File selectedFile = null;
73 * Factory method to return a file chooser that offers readable alignment file
80 public static JalviewFileChooser forRead(String directory,
83 List<String> extensions = new ArrayList<>();
84 List<String> descs = new ArrayList<>();
85 for (FileFormatI format : FileFormats.getInstance().getFormats())
87 if (format.isReadable())
89 extensions.add(format.getExtensions());
90 descs.add(format.getName());
93 return new JalviewFileChooser(directory,
94 extensions.toArray(new String[extensions.size()]),
95 descs.toArray(new String[descs.size()]), selected, true);
99 * Factory method to return a file chooser that offers writable alignment file
106 public static JalviewFileChooser forWrite(String directory,
109 // TODO in Java 8, forRead and forWrite can be a single method
110 // with a lambda expression parameter for isReadable/isWritable
111 List<String> extensions = new ArrayList<>();
112 List<String> descs = new ArrayList<>();
113 for (FileFormatI format : FileFormats.getInstance().getFormats())
115 if (format.isWritable())
117 extensions.add(format.getExtensions());
118 descs.add(format.getName());
121 return new JalviewFileChooser(directory,
122 extensions.toArray(new String[extensions.size()]),
123 descs.toArray(new String[descs.size()]), selected, false);
126 public JalviewFileChooser(String dir)
128 super(safePath(dir));
129 setAccessory(new RecentlyOpened());
132 public JalviewFileChooser(String dir, String[] suffix, String[] desc,
135 this(dir, suffix, desc, selected, true);
139 * Constructor for a single choice of file extension and description
144 public JalviewFileChooser(String extension, String desc)
146 this(Cache.getProperty("LAST_DIRECTORY"), new String[] { extension },
148 { desc }, desc, true);
151 JalviewFileChooser(String dir, String[] extensions, String[] descs,
152 String selected, boolean acceptAny)
154 super(safePath(dir));
155 if (extensions.length == descs.length)
157 List<String[]> formats = new ArrayList<>();
158 for (int i = 0; i < extensions.length; i++)
160 formats.add(new String[] { extensions[i], descs[i] });
162 init(formats, selected, acceptAny);
166 System.err.println("JalviewFileChooser arguments mismatch: "
167 + extensions + ", " + descs);
171 private static File safePath(String dir)
178 File f = new File(dir);
179 if (f.getName().indexOf(':') > -1)
187 * Overridden for JalviewJS compatibility: only one thread in Javascript,
188 * so we can't wait for user choice in another thread and then perform the
192 public int showOpenDialog(Component parent)
194 int value = super.showOpenDialog(this);
197 * code below here is not reached in JalviewJS, instead
198 * propertyChange() is called for dialog action
200 handleResponse(value);
207 * a list of {extensions, description} for each file format
210 * if true, 'any format' option is included
212 void init(List<String[]> formats, String selected, boolean acceptAny)
215 JalviewFileFilter chosen = null;
217 // SelectAllFilter needs to be set first before adding further
218 // file filters to fix bug on Mac OSX
219 setAcceptAllFileFilterUsed(acceptAny);
221 for (String[] format : formats)
223 JalviewFileFilter jvf = new JalviewFileFilter(format[0], format[1]);
224 addChoosableFileFilter(jvf);
225 if ((selected != null) && selected.equalsIgnoreCase(format[1]))
233 setFileFilter(chosen);
236 setAccessory(new RecentlyOpened());
240 public void setFileFilter(javax.swing.filechooser.FileFilter filter)
242 super.setFileFilter(filter);
246 if (getUI() instanceof BasicFileChooserUI)
248 final BasicFileChooserUI fcui = (BasicFileChooserUI) getUI();
249 final String name = fcui.getFileName().trim();
251 if ((name == null) || (name.length() == 0))
256 EventQueue.invokeLater(new Thread()
261 String currentName = fcui.getFileName();
262 if ((currentName == null) || (currentName.length() == 0))
264 fcui.setFileName(name);
269 } catch (Exception ex)
271 ex.printStackTrace();
272 // Some platforms do not have BasicFileChooserUI
277 * Returns the selected file format, or null if none selected
281 public FileFormatI getSelectedFormat()
283 if (getFileFilter() == null)
289 * logic here depends on option description being formatted as
290 * formatName (extension, extension...)
291 * or the 'no option selected' value
293 * @see JalviewFileFilter.getDescription
295 String format = getFileFilter().getDescription();
296 int parenPos = format.indexOf("(");
299 format = format.substring(0, parenPos).trim();
302 return FileFormats.getInstance().forName(format);
303 } catch (IllegalArgumentException e)
305 System.err.println("Unexpected format: " + format);
312 public File getSelectedFile()
314 File f = super.getSelectedFile();
315 return f == null ? selectedFile : f;
319 public int showSaveDialog(Component parent) throws HeadlessException
321 this.setAccessory(null);
322 // Java 9,10,11 on OSX - clear selected file so name isn't auto populated
323 this.setSelectedFile(null);
325 return super.showSaveDialog(parent);
329 * If doing a Save, and an existing file is chosen or entered, prompt for
330 * confirmation of overwrite. Proceed if Yes, else leave the file chooser
333 * @see https://stackoverflow.com/questions/8581215/jfilechooser-and-checking-for-overwrite
336 public void approveSelection()
338 if (getDialogType() != SAVE_DIALOG)
340 super.approveSelection();
344 selectedFile = getSelectedFile();
346 if (selectedFile == null)
348 // Workaround for Java 9,10 on OSX - no selected file, but there is a
352 String filename = ((BasicFileChooserUI) getUI()).getFileName();
353 if (filename != null && filename.length() > 0)
355 selectedFile = new File(getCurrentDirectory(), filename);
357 } catch (Throwable x)
360 "Unexpected exception when trying to get filename.");
363 // TODO: ENSURE THAT FILES SAVED WITH A ':' IN THE NAME ARE REFUSED AND
365 // USER PROMPTED FOR A NEW FILENAME
368 if (selectedFile == null)
373 if (getFileFilter() instanceof JalviewFileFilter)
375 JalviewFileFilter jvf = (JalviewFileFilter) getFileFilter();
377 if (!jvf.accept(selectedFile))
379 String withExtension = getSelectedFile().getName() + "."
380 + jvf.getAcceptableExtension();
381 selectedFile = (new File(getCurrentDirectory(), withExtension));
382 setSelectedFile(selectedFile);
386 if (selectedFile.exists())
388 int confirm = JvOptionPane.showConfirmDialog(this,
389 MessageManager.getString("label.overwrite_existing_file"),
390 MessageManager.getString("label.file_already_exists"),
391 JvOptionPane.YES_NO_OPTION);
392 if (confirm != JvOptionPane.YES_OPTION)
398 super.approveSelection();
401 void recentListSelectionChanged(Object selection)
403 setSelectedFile(null);
404 if (selection != null)
406 File file = new File((String) selection);
407 if (getFileFilter() instanceof JalviewFileFilter)
409 JalviewFileFilter jvf = (JalviewFileFilter) this.getFileFilter();
411 if (!jvf.accept(file))
413 setFileFilter(getChoosableFileFilters()[0]);
417 setSelectedFile(file);
421 class RecentlyOpened extends JPanel
423 private static final long serialVersionUID = 1L;
428 setPreferredSize(new Dimension(300,100));
429 String historyItems = Cache.getProperty("RECENT_FILE");
431 Vector<String> recent = new Vector<>();
433 if (historyItems != null)
435 st = new StringTokenizer(historyItems, "\t");
437 while (st.hasMoreTokens())
439 recent.addElement(st.nextToken());
443 list = new JList<>(recent);
445 DefaultListCellRenderer dlcr = new DefaultListCellRenderer();
446 // dlcr.setHorizontalAlignment(DefaultListCellRenderer.RIGHT);
447 list.setCellRenderer(dlcr);
449 list.addMouseListener(new MouseAdapter()
452 public void mousePressed(MouseEvent evt)
454 recentListSelectionChanged(list.getSelectedValue());
458 this.setBorder(new javax.swing.border.TitledBorder(
459 MessageManager.getString("label.recently_opened")));
461 final JScrollPane scroller = new JScrollPane(list);
463 SpringLayout layout = new SpringLayout();
464 layout.putConstraint(SpringLayout.WEST, scroller, 5,
465 SpringLayout.WEST, this);
466 layout.putConstraint(SpringLayout.NORTH, scroller, 5,
467 SpringLayout.NORTH, this);
469 if (Platform.isAMac())
471 scroller.setPreferredSize(new Dimension(500, 100));
475 scroller.setPreferredSize(new Dimension(530, 200));
480 javax.swing.SwingUtilities.invokeLater(new Runnable()
485 scroller.getHorizontalScrollBar()
486 .setValue(scroller.getHorizontalScrollBar().getMaximum());
495 public DialogRunnerI setResponseHandler(Object response, Runnable action)
497 callbacks.put(response, action);
502 public void handleResponse(Object response)
505 * this test is for NaN in Chrome
507 if (response != null && !response.equals(response))
511 Runnable action = callbacks.get(response);
519 * JalviewJS signals file selection by a property change event
520 * for property "SelectedFile". This methods responds to that by
521 * running the response action for 'OK' in the dialog.
526 public void propertyChange(PropertyChangeEvent evt)
528 // TODO other properties need runners...
529 switch (evt.getPropertyName())
532 * property name here matches that used in JFileChooser.js
535 handleResponse(APPROVE_OPTION);