X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fjbgui%2FGPreferences.java;h=8c60b3616a64cf7ba9a9613850a3d88d00896807;hb=2d2b6828b010b374731bb3de3945440977b77a66;hp=58737ee56fc904a8f2ec5143b6e9a5e5df097544;hpb=c860648463c56ba9f75e9d239e2f56edea8e31e7;p=jalview.git

diff --git a/src/jalview/jbgui/GPreferences.java b/src/jalview/jbgui/GPreferences.java
index 58737ee..8c60b36 100755
--- a/src/jalview/jbgui/GPreferences.java
+++ b/src/jalview/jbgui/GPreferences.java
@@ -20,13 +20,14 @@
  */
 package jalview.jbgui;
 
+import jalview.bin.Cache;
 import jalview.fts.core.FTSDataColumnPreferences;
 import jalview.fts.core.FTSDataColumnPreferences.PreferenceSource;
 import jalview.fts.service.pdb.PDBFTSRestClient;
 import jalview.gui.JalviewBooleanRadioButtons;
 import jalview.gui.JvSwingUtils;
 import jalview.gui.StructureViewer.ViewerType;
-import jalview.io.BackupFilenameFilter;
+import jalview.io.BackupFilenameParts;
 import jalview.io.BackupFiles;
 import jalview.util.MessageManager;
 
@@ -36,7 +37,6 @@ import java.awt.Component;
 import java.awt.Dimension;
 import java.awt.FlowLayout;
 import java.awt.Font;
-import java.awt.FontMetrics;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.GridLayout;
@@ -49,9 +49,8 @@ import java.awt.event.KeyEvent;
 import java.awt.event.KeyListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
-import java.util.ArrayList;
-import java.util.Map;
 import java.util.HashMap;
+import java.util.Map;
 
 import javax.swing.AbstractCellEditor;
 import javax.swing.BorderFactory;
@@ -62,6 +61,7 @@ import javax.swing.JCheckBox;
 import javax.swing.JComboBox;
 import javax.swing.JFileChooser;
 import javax.swing.JLabel;
+import javax.swing.JList;
 import javax.swing.JPanel;
 import javax.swing.JRadioButton;
 import javax.swing.JScrollPane;
@@ -279,7 +279,6 @@ public class GPreferences extends JPanel
 
   protected JCheckBox sortByTree = new JCheckBox();
 
-
   /*
    * Web Services tab
    */
@@ -295,6 +294,8 @@ public class GPreferences extends JPanel
 
   protected JPanel presetsPanel = new JPanel();
 
+  protected JButton revertButton = new JButton();
+
   protected JComboBox<IntKeyStringValueEntry> backupfilesPresetsCombo = new JComboBox<>();
 
   protected JPanel suffixPanel = new JPanel();
@@ -533,11 +534,8 @@ public class GPreferences extends JPanel
     embbedBioJSON.setText(MessageManager.getString("label.embbed_biojson"));
     embbedBioJSON.setBounds(new Rectangle(228, 200, 250, 23));
 
-
     TitledBorder backupFilesBorder = new TitledBorder(
-            MessageManager
-                    .getString("label.backup_files"));
-
+            MessageManager.getString("label.backup_files"));
 
     jPanel11.add(jLabel1);
     jPanel11.add(blcjv);
@@ -1070,14 +1068,13 @@ public class GPreferences extends JPanel
         hiddenColour_actionPerformed(hiddenColour);
       }
     });
-    
+
     useLegacyGap = new JCheckBox(
             MessageManager.getString("label.ov_legacy_gap"));
     useLegacyGap.setFont(LABEL_FONT);
     useLegacyGap.setHorizontalAlignment(SwingConstants.LEFT);
     useLegacyGap.setVerticalTextPosition(SwingConstants.TOP);
-    gapLabel = new JLabel(
-            MessageManager.getString("label.gap_colour"));
+    gapLabel = new JLabel(MessageManager.getString("label.gap_colour"));
     gapLabel.setFont(LABEL_FONT);
     gapLabel.setHorizontalAlignment(SwingConstants.LEFT);
     gapLabel.setVerticalTextPosition(SwingConstants.TOP);
@@ -1693,6 +1690,33 @@ public class GPreferences extends JPanel
   }
 
   /**
+   * Load the saved Backups options EXCEPT "Enabled" and "Scheme"
+   */
+
+  protected void loadLastSavedBackupsOptions()
+  {
+    enableBackupFiles
+            .setSelected(Cache.getDefault(BackupFiles.ENABLED, true));
+    setComboIntStringKey(backupfilesPresetsCombo,
+            Cache.getDefault(BackupFiles.NS + "_PRESET", 1));
+    suffixTemplate.setText(Cache.getDefault(BackupFiles.SUFFIX,
+            ".bak" + BackupFiles.NUM_PLACEHOLDER));
+    suffixDigitsSpinner
+            .setValue(Cache.getDefault(BackupFiles.SUFFIX_DIGITS, 3));
+    suffixReverse.setSelected(
+            Cache.getDefault(BackupFiles.REVERSE_ORDER, false));
+    backupfilesKeepAll
+            .setSelected(Cache.getDefault(BackupFiles.NO_MAX, false));
+    backupfilesRollMaxSpinner
+            .setValue(Cache.getDefault(BackupFiles.ROLL_MAX, 3));
+    backupfilesConfirmDelete.setSelected(
+            Cache.getDefault(BackupFiles.CONFIRM_DELETE_OLD, true));
+
+    backupsOptionsSetEnabled();
+    updateBackupFilesExampleLabel();
+  }
+
+  /**
    * Initialises the Backups tabbed panel.
    * 
    * @return
@@ -1700,14 +1724,14 @@ public class GPreferences extends JPanel
   private JPanel initBackupsTab()
   {
     JPanel backupsTab = new JPanel();
-    backupsTab.setBorder(new TitledBorder(MessageManager
-          .getString("label.backup_files")));
+    backupsTab.setBorder(new TitledBorder(
+            MessageManager.getString("label.backup_files")));
     backupsTab.setLayout(new GridBagLayout());
 
     GridBagConstraints gbc = new GridBagConstraints();
-    gbc.weightx = 1.0;
+    gbc.weightx = 0.0;
     gbc.weighty = 0.0;
-    gbc.anchor = GridBagConstraints.NORTHWEST;
+    gbc.anchor = GridBagConstraints.FIRST_LINE_START;
     gbc.fill = GridBagConstraints.NONE;
 
     initBackupsTabPresetsPanel();
@@ -1715,10 +1739,9 @@ public class GPreferences extends JPanel
     initBackupsTabKeepFilesPanel();
     initBackupsTabFilenameExamplesPanel();
 
-    gbc.weightx = 0.5;
     enableBackupFiles.setFont(LABEL_FONT_BOLD);
-    enableBackupFiles.setText(
-            MessageManager.getString("label.enable_backupfiles"));
+    enableBackupFiles
+            .setText(MessageManager.getString("label.enable_backupfiles"));
     enableBackupFiles.addActionListener(new ActionListener()
     {
       @Override
@@ -1726,157 +1749,246 @@ public class GPreferences extends JPanel
       {
         boolean selected = enableBackupFiles.isSelected();
         // enable other options only when the first is checked
-        backupsOptionsSetEnabled(selected);
+        backupsOptionsSetEnabled();
       }
     });
 
-    // enable checkbox 1 row
+
+    // enable checkbox 1 col
     gbc.gridwidth = 1;
+    gbc.gridheight = 1;
     gbc.gridx = 0;
-    gbc.gridy = 0;
+    gbc.gridy = 0; // row 0
     backupsTab.add(enableBackupFiles, gbc);
 
+    // summary of scheme box (over two rows)
     gbc.gridx = 1;
-    gbc.weightx = 1.0;
+    gbc.weightx = 0.0;
     gbc.gridheight = 2;
-    //gbc.anchor = GridBagConstraints.NORTHEAST;
-    //gbc.fill = GridBagConstraints.HORIZONTAL;
+    gbc.anchor = GridBagConstraints.FIRST_LINE_END;
+    gbc.fill = GridBagConstraints.BOTH;
     backupsTab.add(exampleFilesPanel, gbc);
+    gbc.gridheight = 1;
+    gbc.anchor = GridBagConstraints.FIRST_LINE_START;
+    gbc.fill = GridBagConstraints.NONE;
+
+    // fill empty space on right
+    gbc.gridx++;
+    gbc.weightx = 1.0;
+    backupsTab.add(new JPanel(), gbc);
 
+    // schemes box
+    gbc.weightx = 0.0;
     gbc.gridx = 0;
-    gbc.gridy = 1;
+    gbc.gridy++; // row 1
     backupsTab.add(presetsPanel, gbc);
 
-    gbc.anchor = GridBagConstraints.NORTHWEST;
-    gbc.fill = GridBagConstraints.NONE;
+    // gbc.anchor = GridBagConstraints.NORTHWEST;
+    // now using whole row
     gbc.gridwidth = 2;
     gbc.gridheight = 1;
-    // whole suffix panel next row
+    // keep files box
     gbc.gridx = 0;
-    gbc.gridy = 2;
-    backupsTab.add(suffixPanel, gbc);
-
-    // keep files panel
-    gbc.gridy = 3;
+    gbc.gridy++; // row 2
     backupsTab.add(keepfilesPanel, gbc);
 
-    /*
-    // whole examples panel next row
-    gbc.gridy = 3;
-    backupsTab.add(exampleFilesPanel, gbc);
+    // filename strategy box
+    gbc.gridy++; // row 3
+    backupsTab.add(suffixPanel, gbc);
 
     // fill empty space
-    gbc.gridy = 4;
+    gbc.gridy++; // row 4
     gbc.weighty = 1.0;
     backupsTab.add(new JPanel(), gbc);
-    */
 
-    backupsOptionsSetEnabled(enableBackupFiles.isSelected());
+    backupsOptionsSetEnabled();
     return backupsTab;
   }
 
-  private final IntKeyStringValueEntry[] backupfilesPresetEntries = 
-  {
-    new IntKeyStringValueEntry(1, MessageManager.getString("label.default")),
-    new IntKeyStringValueEntry(2, MessageManager.getString("label.single_file")),
-    new IntKeyStringValueEntry(3, MessageManager.getString("label.keep_everything")),
-    new IntKeyStringValueEntry(4, MessageManager.getString("label.rolled_backups")),
-    // ...
-    // IMPORTANT, keep "Custom" entry with key 0 (even though it appears last)
-    new IntKeyStringValueEntry(0, MessageManager.getString("label.custom"))
-  };
+  private final int BACKUPFILESSCHEMECUSTOMISE = 0;
+  private final IntKeyStringValueEntry[] backupfilesPresetEntries = {
+      new IntKeyStringValueEntry(1,
+              MessageManager.getString("label.default")),
+      new IntKeyStringValueEntry(2,
+              MessageManager.getString("label.single_file")),
+      new IntKeyStringValueEntry(3,
+              MessageManager.getString("label.keep_all_versions")),
+      new IntKeyStringValueEntry(4,
+              MessageManager.getString("label.rolled_backups")),
+      // ...
+      // new IntKeyStringValueEntry(255,
+      // MessageManager.getString("label.previously_saved_scheme")),
+      // IMPORTANT, keep "Custom" entry with key 0 (even though it appears last)
+      new IntKeyStringValueEntry(BACKUPFILESSCHEMECUSTOMISE,
+              MessageManager.getString("label.customise")) };
 
   private final Map<Integer, BackupFilesPresetEntry> backupfilesPresetEntriesValues = new HashMap<Integer, BackupFilesPresetEntry>()
-  {{
-      put(1, new BackupFilesPresetEntry(".v"+BackupFiles.NUM_PLACEHOLDER, 3, false, false, 4, false));
+  {
+    {
+      put(1, new BackupFilesPresetEntry(
+              ".bak" + BackupFiles.NUM_PLACEHOLDER, 3, false, false, 3,
+              false));
       put(2, new BackupFilesPresetEntry("~", 1, false, false, 1, false));
-      put(3, new BackupFilesPresetEntry(".v"+BackupFiles.NUM_PLACEHOLDER, 3, false, true, 10, true));
-      put(4, new BackupFilesPresetEntry("_bak."+BackupFiles.NUM_PLACEHOLDER, 1, true, false, 9, false));
-  }};
+      put(3, new BackupFilesPresetEntry(".v" + BackupFiles.NUM_PLACEHOLDER,
+              3, false, true, 10, true));
+      put(4, new BackupFilesPresetEntry(
+              "_bak." + BackupFiles.NUM_PLACEHOLDER, 1, true, false, 9,
+              false));
+    }
+  };
 
   private JPanel initBackupsTabPresetsPanel()
   {
-    presetsPanel.setBorder(new TitledBorder(
-            MessageManager.getString("label.presets")));
+
+    String title = MessageManager.getString("label.schemes");
+    // TitledBorder tb = new TitledBorder(new EmptyBorder(0, 0, 0, 0), title);
+    // TitledBorder tb = new TitledBorder(title);
+    // tb.setTitleFont(LABEL_FONT);
+    // presetsPanel.setBorder(tb);
+
+    presetsPanel.setLayout(new GridBagLayout());
+
+    GridBagConstraints gbc = new GridBagConstraints();
+    gbc.weightx = 0.0;
+    gbc.weighty = 0.0;
+    gbc.anchor = GridBagConstraints.BASELINE_LEADING;
+    gbc.fill = GridBagConstraints.NONE;
+    gbc.gridwidth = 1;
+    gbc.gridheight = 1;
+
+    // "Scheme: "
+    gbc.gridx = 0;
+    gbc.gridy = 0;
+    presetsPanel.add(new JLabel(title + ":"), gbc);
 
     for (int i = 0; i < backupfilesPresetEntries.length; i++)
     {
-        backupfilesPresetsCombo.addItem(backupfilesPresetEntries[i]);
+      backupfilesPresetsCombo.addItem(backupfilesPresetEntries[i]);
     }
 
+    // put "Previously saved scheme" item in italics (it's not really
+    // selectable, as such -- it deselects itself when selected) and
+    // "Customise" in bold
+    backupfilesPresetsCombo
+            .setRenderer(new BackupFilesPresetsComboBoxRenderer());
     backupfilesPresetsCombo.addActionListener(new ActionListener()
-        {
-            @Override
-            public void actionPerformed(ActionEvent e)
-            {
-              backupsTabUpdatePresets();
-            }
-        }
-    );
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        backupsTabUpdatePresets();
+      }
+    });
+
+    // dropdown list of preset schemes
+    gbc.gridx = 1;
+    presetsPanel.add(backupfilesPresetsCombo, gbc);
+
+    revertButton.setText(MessageManager.getString("label.cancel_changes"));
+    revertButton.addActionListener(new ActionListener()
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        loadLastSavedBackupsOptions();
+      }
+
+    });
+    revertButton.setFont(LABEL_FONT);
+
+    // "Cancel changes" button (aligned with combo box above)
+    gbc.gridx = 1;
+    gbc.gridy++;
+    presetsPanel.add(revertButton, gbc);
 
-    presetsPanel.add(backupfilesPresetsCombo);
     return presetsPanel;
   }
 
+  private JPanel initBackupsTabFilenameExamplesPanel()
+  {
+    String title = MessageManager
+            .getString("label.summary_of_backups_scheme");
+    TitledBorder tb = new TitledBorder(title);
+    exampleFilesPanel.setBorder(tb);
+    exampleFilesPanel.setLayout(new GridBagLayout());
+
+
+    backupfilesExampleLabel.setEditable(false);
+    backupfilesExampleLabel
+            .setBackground(exampleFilesPanel.getBackground());
+
+    updateBackupFilesExampleLabel();
+
+    GridBagConstraints gbc = new GridBagConstraints();
+    gbc.weightx = 1.0;
+    gbc.weighty = 1.0;
+    gbc.fill = GridBagConstraints.NONE;
+    gbc.anchor = GridBagConstraints.FIRST_LINE_START;
+
+    exampleFilesPanel.add(backupfilesExampleLabel, gbc);
+    return exampleFilesPanel;
+  }
+
   private void backupsTabUpdatePresets()
   {
-    IntKeyStringValueEntry entry = (IntKeyStringValueEntry) backupfilesPresetsCombo.getSelectedItem();
+    IntKeyStringValueEntry entry = (IntKeyStringValueEntry) backupfilesPresetsCombo
+            .getSelectedItem();
     int key = entry.getKey();
     String value = entry.getValue();
-    boolean custom = key==0;
 
-    if (custom)
-    {
-      //backupsSetCustomOptions();
-    } else
+    // BACKUPFILESSCHEMECUSTOMISE (==0) reserved for "Custom"
+    if (key != BACKUPFILESSCHEMECUSTOMISE)
     {
       if (backupfilesPresetEntriesValues.containsKey(key))
       {
         backupsSetOptions(backupfilesPresetEntriesValues.get(key));
-      } else {
-        System.out.println("Preset '"+value+"' not implemented yet");
+      }
+      else
+      {
+        System.out.println("Preset '" + value + "' not implemented");
       }
     }
 
+    backupfilesCustomOptionsSetEnabled();
     updateBackupFilesExampleLabel();
-    backupsCustomOptionsSetEnabled(custom);
   }
 
   protected int getComboIntStringKey(JComboBox c)
   {
     IntKeyStringValueEntry e = (IntKeyStringValueEntry) c.getSelectedItem();
-    return e!=null?e.getKey():0;
+    return e != null ? e.getKey() : 0;
   }
 
-  protected void setComboIntStringKey(JComboBox<IntKeyStringValueEntry> c, int key)
+  protected void setComboIntStringKey(JComboBox<IntKeyStringValueEntry> c,
+          int key)
   {
-      for (int i=0; i < c.getItemCount(); i++)
+    for (int i = 0; i < c.getItemCount(); i++)
+    {
+      IntKeyStringValueEntry e = c.getItemAt(i);
+      int k = e.getKey();
+      String v = e.getValue();
+      if (e.getKey() == key)
       {
-          IntKeyStringValueEntry e = c.getItemAt(i);
-          int k = e.getKey();
-          String v = e.getValue();
-          if (e.getKey() == key)
-          {
-              c.setSelectedIndex(i);
-              break;
-          }
+        c.setSelectedIndex(i);
+        break;
       }
-      backupsTabUpdatePresets();
+    }
+    backupsTabUpdatePresets();
   }
 
   private JPanel initBackupsTabSuffixPanel()
   {
     suffixPanel.setBorder(new TitledBorder(
-            MessageManager.getString("label.suffix_format")));
+            MessageManager.getString("label.backup_filename_strategy")));
     suffixPanel.setLayout(new GridBagLayout());
 
     suffixTemplateLabel
-            .setText(MessageManager.getString("label.suffix_template"));
+            .setText(MessageManager.getString("label.append_to_filename"));
     suffixTemplateLabel.setHorizontalAlignment(SwingConstants.LEFT);
     suffixTemplateLabel.setFont(LABEL_FONT);
 
-    final String tooltip = JvSwingUtils.wrapTooltip(true, MessageManager
-            .getString("label.suffix_template_tooltip"));
+    final String tooltip = JvSwingUtils.wrapTooltip(true,
+            MessageManager.getString("label.append_to_filename_tooltip"));
     suffixTemplate.setToolTipText(tooltip);
     suffixTemplate.addActionListener(new ActionListener()
     {
@@ -1884,6 +1996,7 @@ public class GPreferences extends JPanel
       public void actionPerformed(ActionEvent e)
       {
         updateBackupFilesExampleLabel();
+        backupfilesCustomOptionsSetEnabled();
       }
 
     });
@@ -1893,6 +2006,7 @@ public class GPreferences extends JPanel
       public void keyReleased(KeyEvent e)
       {
         updateBackupFilesExampleLabel();
+        backupfilesCustomOptionsSetEnabled();
       }
 
       @Override
@@ -1900,14 +2014,14 @@ public class GPreferences extends JPanel
       {
       }
 
-      // disable use of ':'
+      // disable use of ':' or '/' or '\'
       @Override
       public void keyTyped(KeyEvent e)
       {
         char c = e.getKeyChar();
-        if (c == ':')
+        if (c == ':' || c == '/' || c == '\\')
         {
-          // don't process ':'
+          // don't process ':' or '/' or '\'
           e.consume();
         }
       }
@@ -1933,8 +2047,7 @@ public class GPreferences extends JPanel
     };
     setIntegerSpinner(suffixDigitsSpinner, defaultmin, defaultmax, 3, c);
 
-    suffixReverse.setLabels(
-            MessageManager.getString("label.reverse_roll"),
+    suffixReverse.setLabels(MessageManager.getString("label.reverse_roll"),
             MessageManager.getString("label.increment_index"));
     suffixReverse.addActionListener(new ActionListener()
     {
@@ -1956,15 +2069,15 @@ public class GPreferences extends JPanel
     sgbc.weightx = 1.0;
     sgbc.weighty = 0.0;
     sgbc.fill = GridBagConstraints.NONE;
-    suffixPanel.add(suffixTemplateLabel,sgbc);
-    
+    suffixPanel.add(suffixTemplateLabel, sgbc);
+
     sgbc.gridx = 1;
     sgbc.fill = GridBagConstraints.HORIZONTAL;
     suffixPanel.add(suffixTemplate, sgbc);
-    
+
     // second row (number of digits spinner)
     sgbc.gridy = 1;
-    
+
     sgbc.gridx = 0;
     sgbc.fill = GridBagConstraints.NONE;
     suffixPanel.add(suffixDigitsLabel, sgbc);
@@ -1986,12 +2099,6 @@ public class GPreferences extends JPanel
     return suffixPanel;
   }
 
-  private void backupfilesKeepAllEnabled(boolean enabled)
-  {
-    backupfilesKeepAll.setEnabled(enabled);
-    keepRollMaxOptionsEnabled();
-  }
-
   private JPanel initBackupsTabKeepFilesPanel()
   {
     keepfilesPanel.setBorder(
@@ -2081,69 +2188,42 @@ public class GPreferences extends JPanel
     JPanel jp = new JPanel();
     jp.setLayout(new FlowLayout());
     oldBackupFilesLabel
-            .setText(MessageManager.getString("label.old_backup_files"));
+            .setText(MessageManager
+                    .getString("label.autodelete_old_backup_files"));
     oldBackupFilesLabel.setFont(LABEL_FONT);
     oldBackupFilesLabel.setHorizontalAlignment(SwingConstants.LEFT);
     jp.add(oldBackupFilesLabel);
     jp.add(backupfilesConfirmDelete.getTrueButton());
     jp.add(backupfilesConfirmDelete.getFalseButton());
     keepfilesPanel.add(jp, kgbc);
-    
-    return keepfilesPanel;
-  }
-
-  private JPanel initBackupsTabFilenameExamplesPanel()
-  {
-    String title = MessageManager.getString("label.example_filenames");
-    TitledBorder tb = new TitledBorder(title);
-    //tb.setTitleFont(LABEL_FONT);
-    exampleFilesPanel.setBorder(tb);
-    exampleFilesPanel.setLayout(new GridBagLayout());
-
-    //inordinately difficult to get this titledborder the right size for the title
-
-    backupfilesExampleLabel.setEditable(false);
-    backupfilesExampleLabel.setPreferredSize(new Dimension(280, 85));
-    backupfilesExampleLabel.setAlignmentX(LEFT_ALIGNMENT);
-    backupfilesExampleLabel.setAlignmentY(TOP_ALIGNMENT);
-    
-    backupfilesExampleLabel.setFont(LABEL_FONT_ITALIC);
-    backupfilesExampleLabel
-            .setBackground(exampleFilesPanel.getBackground());
-
-    updateBackupFilesExampleLabel();
-    exampleFilesPanel.setMinimumSize(new Dimension(280, 85));
-
-    GridBagConstraints gbc = new GridBagConstraints();
-    gbc.anchor = GridBagConstraints.EAST;
 
-    gbc.gridy = 0;
-    exampleFilesPanel.add(backupfilesExampleLabel, gbc);
-    return exampleFilesPanel;
+    return keepfilesPanel;
   }
 
   protected void updateBackupFilesExampleLabel()
   {
     int exampleindex = 12;
-    String base = MessageManager.getString("label.filename");
-    if (base == null || base.length() > 0)
+    String base = MessageManager.getString("label.filename") + ".fa";
+    if (base == null || base.length() == 0)
     {
-      base = "filename.fa";
+      base = "file_name.fa";
     }
 
+    boolean reverse = suffixReverse.isSelected();
+    boolean keepAll = backupfilesKeepAll.isSelected();
+    int rollMax = 4;
     String suffix = suffixTemplate.getText();
     int digits = 3;
-    try {
-      suffixDigitsSpinner.commitEdit();
-      digits = (Integer) suffixDigitsSpinner.getValue();
-      digits = digits < 1 ? 1 : digits;
-    } catch (Exception e)
+
+    backupfilesExampleLabel.setFont(LABEL_FONT_ITALIC);
+    if (suffix == null || suffix.length() == 0)
     {
-      System.out.println("Failed casting (Integer) suffixTemplateSpinner.getValue()");
+      backupfilesExampleLabel
+              .setText(MessageManager.getString("label.no_backup_files"));
+      backupfilesExampleLabel.setFont(LABEL_FONT_BOLD);
+      return;
     }
-    boolean reverse = suffixReverse.isSelected();
-    boolean keepAll = backupfilesKeepAll.isSelected();
-    int rollMax = 4;
+
     try
     {
       backupfilesRollMaxSpinner.commitEdit();
@@ -2155,6 +2235,22 @@ public class GPreferences extends JPanel
               "Failed casting (Integer) backupfilesRollMaxSpinner.getValue()");
     }
 
+    if (suffix.indexOf(BackupFiles.NUM_PLACEHOLDER) == -1)
+    {
+      rollMax = 1;
+    }
+
+    try
+    {
+      suffixDigitsSpinner.commitEdit();
+      digits = (Integer) suffixDigitsSpinner.getValue();
+      digits = digits < 1 ? 1 : digits;
+    } catch (Exception e)
+    {
+      System.out.println(
+              "Failed casting (Integer) suffixTemplateSpinner.getValue()");
+    }
+
     int lowersurround = 2;
     int uppersurround = 0;
     StringBuilder exampleSB = new StringBuilder();
@@ -2184,7 +2280,7 @@ public class GPreferences extends JPanel
           {
             exampleSB.append("\n");
           }
-          exampleSB.append(BackupFilenameFilter.getBackupFilename(index,
+          exampleSB.append(BackupFilenameParts.getBackupFilename(index,
                   base, suffix, digits));
           if (min == max)
           {
@@ -2195,7 +2291,7 @@ public class GPreferences extends JPanel
             String newest = MessageManager.getString("label.braced_newest");
             if (newest != null && newest.length() > 0)
             {
-              exampleSB.append(" "+newest);
+              exampleSB.append(" " + newest);
             }
           }
           else if (index == max)
@@ -2203,7 +2299,7 @@ public class GPreferences extends JPanel
             String oldest = MessageManager.getString("label.braced_oldest");
             if (oldest != null && oldest.length() > 0)
             {
-              exampleSB.append(" "+oldest);
+              exampleSB.append(" " + oldest);
             }
           }
         }
@@ -2237,7 +2333,7 @@ public class GPreferences extends JPanel
           {
             exampleSB.append("\n");
           }
-          exampleSB.append(BackupFilenameFilter.getBackupFilename(index,
+          exampleSB.append(BackupFilenameParts.getBackupFilename(index,
                   base, suffix, digits));
           if (min == max)
           {
@@ -2248,7 +2344,7 @@ public class GPreferences extends JPanel
             String oldest = MessageManager.getString("label.braced_oldest");
             if (oldest != null && oldest.length() > 0)
             {
-              exampleSB.append(" "+oldest);
+              exampleSB.append(" " + oldest);
             }
           }
           else if (index == max)
@@ -2256,7 +2352,7 @@ public class GPreferences extends JPanel
             String newest = MessageManager.getString("label.braced_newest");
             if (newest != null && newest.length() > 0)
             {
-              exampleSB.append(" "+newest);
+              exampleSB.append(" " + newest);
             }
           }
         }
@@ -2315,58 +2411,79 @@ public class GPreferences extends JPanel
     return i;
   }
 
-  protected void keepRollMaxOptionsEnabled()
+  private void keepRollMaxOptionsEnabled()
   {
-    keepRollMaxOptionsEnabled(backupfilesKeepAll.isEnabled());
+    boolean enabled = backupfilesKeepAll.isEnabled()
+            && !backupfilesKeepAll.isSelected();
+    oldBackupFilesLabel.setEnabled(enabled);
+    backupfilesRollMaxSpinner.setEnabled(enabled);
+    backupfilesConfirmDelete.setEnabled(enabled);
   }
 
-  protected void keepRollMaxOptionsEnabled(boolean tryEnabled)
+  private void backupfilesKeepAllSetEnabled(boolean tryEnabled)
   {
-    boolean enabled = tryEnabled && !backupfilesKeepAll.isSelected();
+    boolean enabled = tryEnabled && enableBackupFiles.isSelected()
+            && getComboIntStringKey(backupfilesPresetsCombo) == 0
+            && suffixTemplate.getText()
+                    .indexOf(BackupFiles.NUM_PLACEHOLDER) > -1;
+    keepfilesPanel.setEnabled(enabled);
+    backupfilesKeepAll.setEnabled(enabled);
     oldBackupFilesLabel.setEnabled(enabled);
-    backupfilesRollMaxSpinner.setEnabled(enabled);
-    backupfilesConfirmDelete.setEnabled(enabled);
+    keepRollMaxOptionsEnabled();
   }
 
-  protected void backupsCustomOptionsSetEnabled(boolean enabled)
+  private void backupfilesSuffixTemplateDigitsSetEnabled()
   {
-      backupsOptionsSetEnabled(enabled, false);
+    boolean enabled = suffixTemplate.isEnabled() && suffixTemplate.getText()
+            .indexOf(BackupFiles.NUM_PLACEHOLDER) > -1;
+    suffixDigitsLabel.setEnabled(enabled);
+    suffixDigitsSpinner.setEnabled(enabled);
+    suffixReverse.setEnabled(enabled);
   }
 
-  protected void backupsOptionsSetEnabled(boolean enabled)
+  private void backupfilesSuffixTemplateSetEnabled(boolean tryEnabled)
   {
-      backupsOptionsSetEnabled(enabled, true);
+    boolean enabled = tryEnabled && enableBackupFiles.isSelected()
+            && getComboIntStringKey(backupfilesPresetsCombo) == 0;
+    suffixPanel.setEnabled(enabled);
+    suffixTemplateLabel.setEnabled(enabled);
+    suffixTemplate.setEnabled(enabled);
+    backupfilesSuffixTemplateDigitsSetEnabled();
   }
 
-  protected void backupsOptionsSetEnabled(boolean enabled, boolean all)
+  protected void backupfilesCustomOptionsSetEnabled()
   {
+    int scheme = getComboIntStringKey(backupfilesPresetsCombo);
+    boolean enabled = scheme == 0 && enableBackupFiles.isSelected();
 
-    if (all)
-    {
-        presetsPanel.setEnabled(enabled);
-        exampleFilesPanel.setEnabled(enabled);
+    backupfilesSuffixTemplateSetEnabled(enabled);
+    backupfilesKeepAllSetEnabled(enabled);
+  }
 
-        backupfilesPresetsCombo.setEnabled(enabled);
-        backupfilesExampleLabel.setEnabled(enabled);
-    }
-    suffixPanel.setEnabled(enabled);
-    keepfilesPanel.setEnabled(enabled);
+  private void backupfilesSummarySetEnabled()
+  {
+    boolean enabled = enableBackupFiles.isSelected();
+    backupfilesExampleLabel.setEnabled(enabled);
+    exampleFilesPanel.setEnabled(enabled);
+  }
 
-    suffixTemplate.setEnabled(enabled);
-    suffixTemplateLabel.setEnabled(enabled);
-    suffixDigitsLabel.setEnabled(enabled);
-    suffixDigitsSpinner.setEnabled(enabled);
-    suffixReverse.setEnabled(enabled);
-    oldBackupFilesLabel.setEnabled(enabled);
-    backupfilesKeepAllEnabled(enabled);
+  private void backupfilesPresetsSetEnabled()
+  {
+    boolean enabled = enableBackupFiles.isSelected();
+    presetsPanel.setEnabled(enabled);
+    backupfilesPresetsCombo.setEnabled(enabled);
+  }
 
-    if (enabled && all)
-    {
-      backupsTabUpdatePresets();
-    }
+  protected void backupsOptionsSetEnabled()
+  {
+    backupfilesPresetsSetEnabled();
+    backupfilesSummarySetEnabled();
+    backupfilesCustomOptionsSetEnabled();
   }
 
-  protected void backupsSetOptions(String suffix, int digits, boolean reverse, boolean keepAll, int rollMax, boolean confirmDelete)
+  protected void backupsSetOptions(String suffix, int digits,
+          boolean reverse, boolean keepAll, int rollMax,
+          boolean confirmDelete)
   {
     suffixTemplate.setText(suffix);
     suffixDigitsSpinner.setValue(digits);
@@ -2378,7 +2495,8 @@ public class GPreferences extends JPanel
 
   protected void backupsSetOptions(BackupFilesPresetEntry p)
   {
-    backupsSetOptions(p.suffix, p.digits, p.reverse, p.keepAll, p.rollMax, p.confirmDelete);
+    backupsSetOptions(p.suffix, p.digits, p.reverse, p.keepAll, p.rollMax,
+            p.confirmDelete);
   }
 
   protected void autoIdWidth_actionPerformed()
@@ -2567,37 +2685,51 @@ public class GPreferences extends JPanel
   }
 }
 
-class IntKeyStringValueEntry {
+class IntKeyStringValueEntry
+{
   int k;
+
   String v;
+
   public IntKeyStringValueEntry(int k, String v)
   {
     this.k = k;
     this.v = v;
   }
+
   @Override
   public String toString()
   {
     return this.getValue();
   }
+
   public int getKey()
   {
     return k;
   }
+
   public String getValue()
   {
     return v;
   }
 }
 
-class BackupFilesPresetEntry {
+class BackupFilesPresetEntry
+{
   String suffix;
+
   int digits;
+
   boolean reverse;
+
   boolean keepAll;
+
   int rollMax;
+
   boolean confirmDelete;
-  public BackupFilesPresetEntry(String suffix, int digits, boolean reverse, boolean keepAll, int rollMax, boolean confirmDelete)
+
+  public BackupFilesPresetEntry(String suffix, int digits, boolean reverse,
+          boolean keepAll, int rollMax, boolean confirmDelete)
   {
     this.suffix = suffix;
     this.digits = digits;
@@ -2607,3 +2739,29 @@ class BackupFilesPresetEntry {
     this.confirmDelete = confirmDelete;
   }
 }
+
+class BackupFilesPresetsComboBoxRenderer extends DefaultListCellRenderer
+{
+  @Override
+  public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+    super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+    
+    try {
+      IntKeyStringValueEntry e = (IntKeyStringValueEntry) value;
+      if (e.getKey() == 255)
+      {
+        // "Previously saved scheme" item
+        this.setFont(this.getFont().deriveFont(Font.ITALIC));
+      }
+      else if (e.getKey() == 0)
+      {
+        // "Customise" item
+        this.setFont(this.getFont().deriveFont(Font.BOLD));
+      }
+    } catch (Exception e) {
+      return this;
+    }
+
+    return this;
+  }
+}
\ No newline at end of file