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.util.MessageManager;
25 import jalview.util.Platform;
27 import java.awt.Component;
28 import java.awt.Dimension;
29 import java.awt.EventQueue;
30 import java.awt.HeadlessException;
31 import java.awt.event.MouseAdapter;
32 import java.awt.event.MouseEvent;
34 import java.util.StringTokenizer;
35 import java.util.Vector;
37 import javax.swing.DefaultListCellRenderer;
38 import javax.swing.JFileChooser;
39 import javax.swing.JList;
40 import javax.swing.JOptionPane;
41 import javax.swing.JPanel;
42 import javax.swing.JScrollPane;
43 import javax.swing.SpringLayout;
46 * Enhanced file chooser dialog box.
48 * NOTE: bug on Windows systems when filechooser opened on directory to view
49 * files with colons in title.
54 public class JalviewFileChooser extends JFileChooser
56 public JalviewFileChooser(String dir)
59 setAccessory(new RecentlyOpened());
62 private static File safePath(String dir)
69 File f = new File(dir);
70 if (f.getName().indexOf(':') > -1)
77 public JalviewFileChooser(String dir, String[] suffix, String[] desc,
78 String selected, boolean selectAll)
81 init(suffix, desc, selected, selectAll);
84 public JalviewFileChooser(String dir, String[] suffix, String[] desc,
88 init(suffix, desc, selected, true);
91 void init(String[] suffix, String[] desc, String selected,
95 JalviewFileFilter chosen = null;
97 // SelectAllFilter needs to be set first before adding further
98 // file filters to fix bug on Mac OSX
99 setAcceptAllFileFilterUsed(selectAll);
101 for (int i = 0; i < suffix.length; i++)
103 JalviewFileFilter jvf = new JalviewFileFilter(suffix[i], desc[i]);
104 addChoosableFileFilter(jvf);
105 if ((selected != null) && selected.equalsIgnoreCase(desc[i]))
113 setFileFilter(chosen);
116 setAccessory(new RecentlyOpened());
120 public void setFileFilter(javax.swing.filechooser.FileFilter filter)
122 super.setFileFilter(filter);
126 if (getUI() instanceof javax.swing.plaf.basic.BasicFileChooserUI)
128 final javax.swing.plaf.basic.BasicFileChooserUI ui = (javax.swing.plaf.basic.BasicFileChooserUI) getUI();
129 final String name = ui.getFileName().trim();
131 if ((name == null) || (name.length() == 0))
136 EventQueue.invokeLater(new Thread()
141 String currentName = ui.getFileName();
142 if ((currentName == null) || (currentName.length() == 0))
144 ui.setFileName(name);
149 } catch (Exception ex)
151 ex.printStackTrace();
152 // Some platforms do not have BasicFileChooserUI
156 public FileFormat getSelectedFormat()
158 if (getFileFilter() == null)
163 String format = getFileFilter().getDescription();
164 return FileFormat.valueOf(format);
168 public int showSaveDialog(Component parent) throws HeadlessException
170 this.setAccessory(null);
172 setDialogType(SAVE_DIALOG);
174 int ret = showDialog(parent, MessageManager.getString("action.save"));
176 if (getFileFilter() instanceof JalviewFileFilter)
178 JalviewFileFilter jvf = (JalviewFileFilter) getFileFilter();
180 if (!jvf.accept(getSelectedFile()))
182 String withExtension = getSelectedFile() + "."
183 + jvf.getAcceptableExtension();
184 setSelectedFile(new File(withExtension));
187 // TODO: ENSURE THAT FILES SAVED WITH A ':' IN THE NAME ARE REFUSED AND THE
188 // USER PROMPTED FOR A NEW FILENAME
189 if ((ret == JalviewFileChooser.APPROVE_OPTION)
190 && getSelectedFile().exists())
192 int confirm = JOptionPane.showConfirmDialog(parent,
193 MessageManager.getString("label.overwrite_existing_file"),
194 MessageManager.getString("label.file_already_exists"),
195 JOptionPane.YES_NO_OPTION);
197 if (confirm != JOptionPane.YES_OPTION)
199 ret = JalviewFileChooser.CANCEL_OPTION;
206 void recentListSelectionChanged(Object selection)
208 setSelectedFile(null);
209 if (selection != null)
211 File file = new File((String) selection);
212 if (getFileFilter() instanceof JalviewFileFilter)
214 JalviewFileFilter jvf = (JalviewFileFilter) this.getFileFilter();
216 if (!jvf.accept(file))
218 setFileFilter(getChoosableFileFilters()[0]);
222 setSelectedFile(file);
226 class RecentlyOpened extends JPanel
230 public RecentlyOpened()
233 String historyItems = jalview.bin.Cache.getProperty("RECENT_FILE");
235 Vector recent = new Vector();
237 if (historyItems != null)
239 st = new StringTokenizer(historyItems, "\t");
241 while (st.hasMoreTokens())
243 recent.addElement(st.nextElement());
247 list = new JList(recent);
249 DefaultListCellRenderer dlcr = new DefaultListCellRenderer();
250 dlcr.setHorizontalAlignment(DefaultListCellRenderer.RIGHT);
251 list.setCellRenderer(dlcr);
253 list.addMouseListener(new MouseAdapter()
256 public void mousePressed(MouseEvent evt)
258 recentListSelectionChanged(list.getSelectedValue());
262 this.setBorder(new javax.swing.border.TitledBorder(MessageManager
263 .getString("label.recently_opened")));
265 final JScrollPane scroller = new JScrollPane(list);
267 SpringLayout layout = new SpringLayout();
268 layout.putConstraint(SpringLayout.WEST, scroller, 5,
269 SpringLayout.WEST, this);
270 layout.putConstraint(SpringLayout.NORTH, scroller, 5,
271 SpringLayout.NORTH, this);
273 if (new Platform().isAMac())
275 scroller.setPreferredSize(new Dimension(500, 100));
279 scroller.setPreferredSize(new Dimension(130, 200));
284 javax.swing.SwingUtilities.invokeLater(new Runnable()
289 scroller.getHorizontalScrollBar().setValue(
290 scroller.getHorizontalScrollBar().getMaximum());