JAL-3141 Reworked a lot of BackupFiles to allow the Customise Checkbox
[jalview.git] / src / jalview / jbgui / GPreferences.java
index a99d018..c132e49 100755 (executable)
  */
 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.Desktop;
 import jalview.gui.JalviewBooleanRadioButtons;
+import jalview.gui.JvOptionPane;
 import jalview.gui.JvSwingUtils;
 import jalview.gui.StructureViewer.ViewerType;
-import jalview.io.BackupFilenameFilter;
+import jalview.io.BackupFilenameParts;
+import jalview.io.BackupFiles;
+import jalview.io.BackupFilesPresetEntry;
+import jalview.io.IntKeyStringValueEntry;
 import jalview.util.MessageManager;
 
 import java.awt.BorderLayout;
@@ -91,6 +97,9 @@ public class GPreferences extends JPanel
   private static final Font LABEL_FONT_ITALIC = JvSwingUtils
           .getLabelFont(false, true);
 
+  private static final Font LABEL_FONT_BOLD = JvSwingUtils
+          .getLabelFont(true, false);
+
   /*
    * Visual tab components
    */
@@ -271,7 +280,6 @@ public class GPreferences extends JPanel
 
   protected JCheckBox sortByTree = new JCheckBox();
 
-
   /*
    * Web Services tab
    */
@@ -285,6 +293,18 @@ public class GPreferences extends JPanel
 
   protected JCheckBox enableBackupFiles = new JCheckBox();
 
+  protected JPanel presetsPanel = new JPanel();
+
+  protected JLabel presetsComboLabel = new JLabel();
+
+  protected JCheckBox customiseCheckbox = new JCheckBox();
+
+  protected JButton revertButton = new JButton();
+
+  protected JComboBox<IntKeyStringValueEntry> backupfilesPresetsCombo = new JComboBox<>();
+
+  private int backupfilesPresetsComboLastSelected = 0;
+
   protected JPanel suffixPanel = new JPanel();
 
   protected JPanel keepfilesPanel = new JPanel();
@@ -303,14 +323,12 @@ public class GPreferences extends JPanel
 
   protected JalviewBooleanRadioButtons backupfilesKeepAll = new JalviewBooleanRadioButtons();
 
-  protected JSpinner backupfilesRollMaxSpinner = new JSpinner();
+  public JSpinner backupfilesRollMaxSpinner = new JSpinner();
 
   protected JLabel oldBackupFilesLabel = new JLabel();
 
   protected JalviewBooleanRadioButtons backupfilesConfirmDelete = new JalviewBooleanRadioButtons();
 
-  protected JLabel exampleLabel = new JLabel();
-
   protected JTextArea backupfilesExampleLabel = new JTextArea();
 
   /**
@@ -523,12 +541,6 @@ 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"));
-
-
     jPanel11.add(jLabel1);
     jPanel11.add(blcjv);
     jPanel11.add(clustaljv);
@@ -636,6 +648,7 @@ public class GPreferences extends JPanel
     linkTab.setLayout(new GridBagLayout());
 
     // Set up table for Url links
+    linkUrlTable.getTableHeader().setReorderingAllowed(false);
     linkUrlTable.setFillsViewportHeight(true);
     linkUrlTable.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS);
     linkUrlTable.setAutoCreateRowSorter(true);
@@ -1060,14 +1073,13 @@ 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);
@@ -1683,6 +1695,70 @@ public class GPreferences extends JPanel
   }
 
   /**
+   * Load the saved Backups options EXCEPT "Enabled" and "Scheme"
+   */
+
+  protected void loadLastSavedBackupsOptions()
+  {
+    BackupFilesPresetEntry savedPreset = BackupFilesPresetEntry
+            .getSavedBackupEntry();
+    enableBackupFiles
+            .setSelected(Cache.getDefault(BackupFiles.ENABLED, true));
+
+    BackupFilesPresetEntry backupfilesCustomEntry = BackupFilesPresetEntry
+            .createBackupFilesPresetEntry(Cache
+                    .getDefault(BackupFilesPresetEntry.CUSTOMCONFIG, null));
+    if (backupfilesCustomEntry == null)
+    {
+      backupfilesCustomEntry = BackupFilesPresetEntry.backupfilesPresetEntriesValues
+              .get(BackupFilesPresetEntry.BACKUPFILESSCHEMEDEFAULT);
+    }
+    BackupFilesPresetEntry.backupfilesPresetEntriesValues.put(
+            BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM,
+            backupfilesCustomEntry);
+
+    setComboIntStringKey(backupfilesPresetsCombo,
+            Cache.getDefault(BackupFiles.NS + "_PRESET",
+                    BackupFilesPresetEntry.BACKUPFILESSCHEMEDEFAULT));
+    // backupsTabUpdatePresets();
+
+    System.out
+            .println("LOADLASTSAVEDBACKUPSOPTIONS SETTING BACKUPS OPTIONS");
+    backupsSetOptions(savedPreset);
+
+    backupsOptionsSetEnabled();
+    updateBackupFilesExampleLabel();
+  }
+
+  private void setBackupfilesCustomPreset()
+  {
+    if (customiseCheckbox.isSelected() && getComboIntStringKey(
+            backupfilesPresetsCombo) == BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM)
+    {
+      BackupFilesPresetEntry.backupfilesPresetEntriesValues
+              .put(BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM,
+                      getBackupfilesCurrentEntry());
+    }
+  }
+
+  private boolean warnAboutSuffixReverseChange()
+  {
+    BackupFilesPresetEntry bfpe = BackupFilesPresetEntry
+            .getSavedBackupEntry();
+    boolean savedSuffixReverse = bfpe.reverse;
+    int savedSuffixDigits = bfpe.digits;
+    String savedSuffixTemplate = bfpe.suffix;
+
+    boolean nowSuffixReverse = suffixReverse.isSelected();
+    int nowSuffixDigits = getSpinnerInt(suffixDigitsSpinner, 3);
+    String nowSuffixTemplate = suffixTemplate.getText();
+    return nowSuffixReverse != savedSuffixReverse
+            && nowSuffixDigits == savedSuffixDigits
+            && nowSuffixTemplate != null
+            && nowSuffixTemplate.equals(savedSuffixTemplate);
+  }
+
+  /**
    * Initialises the Backups tabbed panel.
    * 
    * @return
@@ -1690,90 +1766,290 @@ 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());
 
-    enableBackupFiles.setFont(LABEL_FONT);
-    enableBackupFiles.setText(
-            MessageManager.getString("label.enable_backupfiles"));
+    GridBagConstraints gbc = new GridBagConstraints();
+    gbc.weightx = 0.0;
+    gbc.weighty = 0.0;
+    gbc.anchor = GridBagConstraints.FIRST_LINE_START;
+    gbc.fill = GridBagConstraints.NONE;
+
+    initBackupsTabPresetsPanel();
+    initBackupsTabSuffixPanel();
+    initBackupsTabKeepFilesPanel();
+    initBackupsTabFilenameExamplesPanel();
+
+    enableBackupFiles.setFont(LABEL_FONT_BOLD);
+    enableBackupFiles
+            .setText(MessageManager.getString("label.enable_backupfiles"));
     enableBackupFiles.addActionListener(new ActionListener()
     {
       @Override
       public void actionPerformed(ActionEvent e)
       {
-        boolean selected = enableBackupFiles.isSelected();
         // enable other options only when the first is checked
-        backupsOptionsSetEnabled(selected);
+        backupsOptionsSetEnabled();
       }
     });
 
-    GridBagConstraints gbc = new GridBagConstraints();
+
+    // enable checkbox 1 col
+    gbc.gridwidth = 1;
+    gbc.gridheight = 1;
+    gbc.gridx = 0;
+    gbc.gridy = 0; // row 0
+    backupsTab.add(enableBackupFiles, gbc);
+
+    // summary of scheme box (over two rows)
+    gbc.gridx = 1;
+    gbc.weightx = 0.0;
+    gbc.gridheight = 2;
+    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++; // row 1
+    backupsTab.add(presetsPanel, gbc);
+
+    // gbc.anchor = GridBagConstraints.NORTHWEST;
+    // now using whole row
+    gbc.gridwidth = 2;
+    gbc.gridheight = 1;
+    // keep files box
+    gbc.gridx = 0;
+    gbc.gridy++; // row 2
+    backupsTab.add(keepfilesPanel, gbc);
+
+    // filename strategy box
+    gbc.gridy++; // row 3
+    backupsTab.add(suffixPanel, gbc);
+
+    // fill empty space
+    gbc.gridy++; // row 4
+    gbc.weighty = 1.0;
+    backupsTab.add(new JPanel(), gbc);
+
+    backupsOptionsSetEnabled();
+    return backupsTab;
+  }
+
+  private JPanel initBackupsTabPresetsPanel()
+  {
+
+    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.NORTHWEST;
+    gbc.anchor = GridBagConstraints.BASELINE_LEADING;
     gbc.fill = GridBagConstraints.NONE;
-
-    // enable checkbox 1 row
     gbc.gridwidth = 1;
+    gbc.gridheight = 1;
+
+    // "Scheme: "
+    gbc.gridx = 0;
     gbc.gridy = 0;
-    backupsTab.add(enableBackupFiles, gbc);
 
-    initBackupsTabSuffixPanel();
-    initBackupsTabKeepFilesPanel();
-    initBackupsTabFilenameExamplesPanel();
+    presetsComboLabel = new JLabel(title + ":");
+    presetsPanel.add(presetsComboLabel, gbc);
 
-    /*
-    // set widths of the panels to the max one
-    int maxw = suffixPanel.getWidth();
-    if (maxw < keepfilesPanel.getWidth())
+    for (int i = 0; i < BackupFilesPresetEntry.backupfilesPresetEntries.length; i++)
     {
-      maxw = keepfilesPanel.getWidth();
+      backupfilesPresetsCombo
+              .addItem(BackupFilesPresetEntry.backupfilesPresetEntries[i]);
     }
-    if (maxw < exampleFilesPanel.getWidth())
+
+    backupfilesPresetsCombo.addActionListener(new ActionListener()
     {
-      maxw = exampleFilesPanel.getWidth();
-    }
-    suffixPanel.setSize(suffixPanel.getHeight(), maxw);
-    keepfilesPanel.setSize(keepfilesPanel.getHeight(), maxw);
-    exampleFilesPanel.setSize(exampleFilesPanel.getHeight(), maxw);
-    */
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        int key = getComboIntStringKey(backupfilesPresetsCombo);
+        if (!customiseCheckbox.isSelected())
+        {
+          backupfilesPresetsComboLastSelected = key;
+        }
+        if (key == BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM)
+        {
+          if (customiseCheckbox.isSelected())
+          {
+            // got here by clicking on customiseCheckbox so don't change the values
+            backupfilesCustomOptionsSetEnabled();
+          }
+          else
+          {
+            backupsTabUpdatePresets();
+            backupfilesCustomOptionsSetEnabled();
+          }
+        }
+        else
+        {
+          customiseCheckbox.setSelected(false);
+          backupsTabUpdatePresets();
+          backupfilesCustomOptionsSetEnabled();
+        }
+      }
+    });
 
-    // whole suffix panel next row
-    gbc.gridy = 1;
-    backupsTab.add(suffixPanel, gbc);
+    // dropdown list of preset schemes
+    gbc.gridx = 1;
+    presetsPanel.add(backupfilesPresetsCombo, gbc);
 
-    // keep files panel
-    gbc.gridy = 2;
-    backupsTab.add(keepfilesPanel, gbc);
+    revertButton.setText(MessageManager.getString("label.cancel_changes"));
+    revertButton.addActionListener(new ActionListener()
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        backupsSetOptions(
+                BackupFilesPresetEntry.backupfilesPresetEntriesValues.get(
+                        BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM));
+        backupfilesCustomOptionsSetEnabled();
+      }
 
-    // whole examples panel next row
-    gbc.gridy = 3;
-    backupsTab.add(exampleFilesPanel, gbc);
+    });
+    revertButton.setFont(LABEL_FONT);
 
-    // fill empty space
-    gbc.gridy = 4;
+    customiseCheckbox.setFont(LABEL_FONT);
+    customiseCheckbox.setText(MessageManager.getString("label.customise"));
+    customiseCheckbox.addActionListener(new ActionListener()
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        int currently = getComboIntStringKey(backupfilesPresetsCombo);
+        if (customiseCheckbox.isSelected())
+        {
+          backupfilesPresetsComboLastSelected = currently;
+          setComboIntStringKey(backupfilesPresetsCombo,
+                  BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM);
+        }
+        else
+        {
+          setComboIntStringKey(backupfilesPresetsCombo,
+                  backupfilesPresetsComboLastSelected);
+
+        }
+        backupfilesCustomOptionsSetEnabled();
+      }
+    });
+
+    // customise checkbox
+    gbc.gridx = 0;
+    gbc.gridy++;
+    presetsPanel.add(customiseCheckbox, gbc);
+
+    // "Cancel changes" button (aligned with combo box above)
+    gbc.gridx = 1;
+    presetsPanel.add(revertButton, gbc);
+
+    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;
-    backupsTab.add(new JPanel(), gbc);
+    gbc.fill = GridBagConstraints.NONE;
+    gbc.anchor = GridBagConstraints.FIRST_LINE_START;
 
-    backupsOptionsSetEnabled(enableBackupFiles.isSelected());
-    return backupsTab;
+    exampleFilesPanel.add(backupfilesExampleLabel, gbc);
+    return exampleFilesPanel;
   }
 
+  private void backupsTabUpdatePresets()
+  {
+    IntKeyStringValueEntry entry = (IntKeyStringValueEntry) backupfilesPresetsCombo
+            .getSelectedItem();
+    int key = entry.getKey();
+    String value = entry.getValue();
 
-  public JPanel initBackupsTabSuffixPanel()
+    if (BackupFilesPresetEntry.backupfilesPresetEntriesValues
+            .containsKey(key))
+    {
+      backupsSetOptions(
+              BackupFilesPresetEntry.backupfilesPresetEntriesValues
+                      .get(key));
+    }
+    else
+    {
+      System.out.println(
+              "Preset '" + value + "' [key:" + key + "] not implemented");
+    }
+
+    // Custom options will now be enabled when the customiseCheckbox is checked
+    // (performed above)
+    // backupfilesCustomOptionsSetEnabled();
+    updateBackupFilesExampleLabel();
+  }
+
+  protected int getComboIntStringKey(JComboBox<IntKeyStringValueEntry> c)
+  {
+    IntKeyStringValueEntry e = (IntKeyStringValueEntry) c.getSelectedItem();
+    return e != null ? e.getKey() : 0;
+  }
+
+  protected void setComboIntStringKey(JComboBox<IntKeyStringValueEntry> c,
+          int key)
+  {
+    for (int i = 0; i < c.getItemCount(); i++)
+    {
+      IntKeyStringValueEntry e = c.getItemAt(i);
+      if (e.getKey() == key)
+      {
+        c.setSelectedIndex(i);
+        break;
+      }
+    }
+    // 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()
     {
@@ -1781,15 +2057,19 @@ public class GPreferences extends JPanel
       public void actionPerformed(ActionEvent e)
       {
         updateBackupFilesExampleLabel();
+        backupfilesCustomOptionsSetEnabled();
+        backupfilesRevertButtonSetEnabled(true);
       }
 
     });
-    KeyListener kl = new KeyListener()
+    suffixTemplate.addKeyListener(new KeyListener()
     {
       @Override
       public void keyReleased(KeyEvent e)
       {
         updateBackupFilesExampleLabel();
+        backupfilesCustomOptionsSetEnabled();
+        backupfilesRevertButtonSetEnabled(true);
       }
 
       @Override
@@ -1797,68 +2077,63 @@ public class GPreferences extends JPanel
       {
       }
 
-      // disable use of ':'
+      // disable use of ':' or '/' or '\'
       @Override
       public void keyTyped(KeyEvent e)
       {
+        int count = 300;
         char c = e.getKeyChar();
-        if (c == ':')
+        if (c == ':' || c == '/' || c == '\\')
         {
-          // don't process ':'
+          // don't process ':' or '/' or '\'
           e.consume();
         }
       }
 
-    };
-    suffixTemplate.addKeyListener(kl);
+    });
 
     // digits spinner
     suffixDigitsLabel
             .setText(MessageManager.getString("label.index_digits"));
     suffixDigitsLabel.setHorizontalAlignment(SwingConstants.LEFT);
     suffixDigitsLabel.setFont(LABEL_FONT);
-    int defaultmin = 1;
-    try
-    {
-      defaultmin = Integer.parseInt(
-              MessageManager.getString("default.suffix_index_digits_min"));
-    } catch (Exception e)
-    {
-      defaultmin = 1;
-      System.out.println(
-              "Exception setting suffix digits min from default.suffix_index_digits_min label, setting to "
-                      + defaultmin);
-    }
-    int defaultmax = 6;
-    try {
-      defaultmax = Integer.parseInt(
-              MessageManager.getString("default.suffix_index_digits_max"));
-    } catch (Exception e) {
-      defaultmax = 6;
-      System.out.println(
-              "Exception setting suffix digits max from default.suffix_index_digits_max label, setting to "
-                      + defaultmax);
-    }
     ChangeListener c = new ChangeListener()
     {
       @Override
       public void stateChanged(ChangeEvent e)
       {
+        backupfilesRevertButtonSetEnabled(true);
         updateBackupFilesExampleLabel();
       }
 
     };
-    setIntegerSpinner(suffixDigitsSpinner, defaultmin, defaultmax, 3, c);
+    setIntegerSpinner(suffixDigitsSpinner, BackupFilesPresetEntry.DIGITSMIN,
+            BackupFilesPresetEntry.DIGITSMAX, 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()
     {
       @Override
       public void actionPerformed(ActionEvent e)
       {
-        updateBackupFilesExampleLabel();
+        boolean okay = true;
+        if (warnAboutSuffixReverseChange())
+        {
+          // Warning popup
+          okay = confirmSuffixReverseChange();
+        }
+        if (okay)
+        {
+          backupfilesRevertButtonSetEnabled(true);
+          updateBackupFilesExampleLabel();
+        }
+        else
+        {
+          boolean savedSuffixReverse = BackupFilesPresetEntry
+                  .getSavedBackupEntry().reverse;
+          suffixReverse.setSelected(savedSuffixReverse);
+        }
       }
     });
 
@@ -1873,15 +2148,15 @@ 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);
@@ -1903,6 +2178,20 @@ public class GPreferences extends JPanel
     return suffixPanel;
   }
 
+  private boolean confirmSuffixReverseChange()
+  {
+    boolean ret = false;
+    String warningMessage = MessageManager
+            .getString("label.warning_confirm_change_reverse");
+    int confirm = JvOptionPane.showConfirmDialog(Desktop.desktop,
+            warningMessage,
+            MessageManager.getString("label.change_increment_decrement"),
+            JvOptionPane.YES_NO_OPTION, JvOptionPane.WARNING_MESSAGE);
+
+    ret = (confirm == JvOptionPane.YES_OPTION);
+    return ret;
+  }
+
   private JPanel initBackupsTabKeepFilesPanel()
   {
     keepfilesPanel.setBorder(
@@ -1918,6 +2207,7 @@ public class GPreferences extends JPanel
       @Override
       public void actionPerformed(ActionEvent e)
       {
+        backupfilesRevertButtonSetEnabled(true);
         updateBackupFilesExampleLabel();
       }
     });
@@ -1926,8 +2216,8 @@ public class GPreferences extends JPanel
       @Override
       public void actionPerformed(ActionEvent e)
       {
-        boolean selected = backupfilesKeepAll.isSelected();
-        keepRollMaxOptionsEnabled(!selected);
+        backupfilesRevertButtonSetEnabled(true);
+        keepRollMaxOptionsEnabled();
         updateBackupFilesExampleLabel();
       }
     });
@@ -1937,17 +2227,28 @@ public class GPreferences extends JPanel
       @Override
       public void stateChanged(ChangeEvent e)
       {
+        backupfilesRevertButtonSetEnabled(true);
         updateBackupFilesExampleLabel();
       }
 
     };
-    setIntegerSpinner(backupfilesRollMaxSpinner, 1, 999, 4, true, c);
+    setIntegerSpinner(backupfilesRollMaxSpinner,
+            BackupFilesPresetEntry.ROLLMAXMIN,
+            BackupFilesPresetEntry.ROLLMAXMAX, 4, true, c);
 
     backupfilesConfirmDelete.setLabels(
-            MessageManager.getString("label.confirm_delete"),
+            MessageManager.getString("label.always_ask"),
             MessageManager.getString("label.auto_delete"));
+    backupfilesConfirmDelete.addActionListener(new ActionListener()
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        backupfilesRevertButtonSetEnabled(true);
+      }
+    });
     // update the enabled section
-    keepRollMaxOptionsEnabled(!backupfilesKeepAll.isSelected());
+    keepRollMaxOptionsEnabled();
 
     GridBagConstraints kgbc = new GridBagConstraints();
 
@@ -1992,84 +2293,55 @@ 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()
-  {
-    exampleFilesPanel.setBorder(new TitledBorder(
-            MessageManager.getString("label.example_filenames")));
-    exampleFilesPanel.setLayout(new GridBagLayout());
-
-    /*
-    exampleLabel.setText(
-            MessageManager.getString("label.suffix_example_filenames"));
-    exampleLabel.setFont(LABEL_FONT);
-    exampleLabel.setHorizontalAlignment(SwingConstants.LEFT);
-    */
-
-    backupfilesExampleLabel.setEditable(false);
-    backupfilesExampleLabel.setPreferredSize(new Dimension(400, 85));
-    backupfilesExampleLabel.setAlignmentX(LEFT_ALIGNMENT);
-    backupfilesExampleLabel.setAlignmentY(TOP_ALIGNMENT);
-    
-    backupfilesExampleLabel.setFont(LABEL_FONT_ITALIC);
-    backupfilesExampleLabel.setBackground(exampleLabel.getBackground());
-
-    updateBackupFilesExampleLabel();
-
-    GridBagConstraints gbc = new GridBagConstraints();
-    gbc.anchor = GridBagConstraints.WEST;
-    gbc.fill = GridBagConstraints.NONE;
-
-    gbc.gridy = 0;
-    /*
-    exampleFilesPanel.add(exampleLabel, gbc);
-    gbc.gridy = 1;
-    */
-    exampleFilesPanel.add(backupfilesExampleLabel, gbc);
-    return exampleFilesPanel;
+    return keepfilesPanel;
   }
 
-  private void updateBackupFilesExampleLabel()
+  protected void updateBackupFilesExampleLabel()
   {
     int exampleindex = 12;
-    String base = "filename";
-    String extension = ".fa";
-
-    String suffix = suffixTemplate.getText();
-    int digits = 3;
-    try {
-      suffixDigitsSpinner.commitEdit();
-      digits = (Integer) suffixDigitsSpinner.getValue();
-      digits = digits < 1 ? 1 : digits;
-    } catch (Exception e)
+    String base = MessageManager.getString("label.filename") + ".fa";
+    if (base == null || base.length() == 0)
     {
-      System.out.println("Failed casting (Integer) suffixTemplateSpinner.getValue()");
+      base = "file_name.fa";
     }
+
     boolean reverse = suffixReverse.isSelected();
     boolean keepAll = backupfilesKeepAll.isSelected();
     int rollMax = 4;
-    try
+    String suffix = suffixTemplate.getText();
+    int digits = 3;
+
+    backupfilesExampleLabel.setFont(LABEL_FONT_ITALIC);
+    if (suffix == null || suffix.length() == 0)
     {
-      backupfilesRollMaxSpinner.commitEdit();
-      rollMax = (Integer) backupfilesRollMaxSpinner.getValue();
-      rollMax = rollMax < 1 ? 1 : rollMax;
-    } catch (Exception e)
+      backupfilesExampleLabel
+              .setText(MessageManager.getString("label.no_backup_files"));
+      backupfilesExampleLabel.setFont(LABEL_FONT_BOLD);
+      return;
+    }
+
+    rollMax = getSpinnerInt(backupfilesRollMaxSpinner, 4);
+    rollMax = rollMax < 1 ? 1 : rollMax;
+
+    if (suffix.indexOf(BackupFiles.NUM_PLACEHOLDER) == -1)
     {
-      System.out.println(
-              "Failed casting (Integer) backupfilesRollMaxSpinner.getValue()");
+      rollMax = 1;
     }
 
-    int surround = 2;
+    digits = getSpinnerInt(suffixDigitsSpinner, 3);
+    digits = digits < 1 ? 1 : digits;
+
+    int lowersurround = 2;
+    int uppersurround = 0;
     StringBuilder exampleSB = new StringBuilder();
     boolean firstLine = true;
     if (reverse)
@@ -2079,11 +2351,11 @@ public class GPreferences extends JPanel
       int max = keepAll ? exampleindex : rollMax;
       for (int index = min; index <= max; index++)
       {
-        if (index == min + surround && index < max)
+        if (index == min + lowersurround && index < max - uppersurround - 1)
         {
           exampleSB.append("\n...");
         }
-        else if (index > min + surround && index < max)
+        else if (index > min + lowersurround && index < max - uppersurround)
         {
           // nothing
         }
@@ -2097,19 +2369,27 @@ public class GPreferences extends JPanel
           {
             exampleSB.append("\n");
           }
-          exampleSB.append(BackupFilenameFilter.getBackupFilename(index,
-                  base, suffix, digits, extension));
+          exampleSB.append(BackupFilenameParts.getBackupFilename(index,
+                  base, suffix, digits));
           if (min == max)
           {
             // no extra text needed
           }
           else if (index == min)
           {
-            exampleSB.append(" (most recent)");
+            String newest = MessageManager.getString("label.braced_newest");
+            if (newest != null && newest.length() > 0)
+            {
+              exampleSB.append(" " + newest);
+            }
           }
           else if (index == max)
           {
-            exampleSB.append(" (oldest)");
+            String oldest = MessageManager.getString("label.braced_oldest");
+            if (oldest != null && oldest.length() > 0)
+            {
+              exampleSB.append(" " + oldest);
+            }
           }
         }
       }
@@ -2124,11 +2404,11 @@ public class GPreferences extends JPanel
       for (int index = min; index <= max; index++)
       {
 
-        if (index == min + surround && index < max)
+        if (index == min + lowersurround && index < max - uppersurround - 1)
         {
           exampleSB.append("\n...");
         }
-        else if (index > min + surround && index < max)
+        else if (index > min + lowersurround && index < max - uppersurround)
         {
           // nothing
         }
@@ -2142,19 +2422,27 @@ public class GPreferences extends JPanel
           {
             exampleSB.append("\n");
           }
-          exampleSB.append(BackupFilenameFilter.getBackupFilename(index,
-                  base, suffix, digits, extension));
+          exampleSB.append(BackupFilenameParts.getBackupFilename(index,
+                  base, suffix, digits));
           if (min == max)
           {
             // no extra text needed
           }
           else if (index == min)
           {
-            exampleSB.append(" (oldest)");
+            String oldest = MessageManager.getString("label.braced_oldest");
+            if (oldest != null && oldest.length() > 0)
+            {
+              exampleSB.append(" " + oldest);
+            }
           }
           else if (index == max)
           {
-            exampleSB.append(" (most recent)");
+            String newest = MessageManager.getString("label.braced_newest");
+            if (newest != null && newest.length() > 0)
+            {
+              exampleSB.append(" " + newest);
+            }
           }
         }
       }
@@ -2198,7 +2486,7 @@ public class GPreferences extends JPanel
 
   }
 
-  public static int getSpinnerInt(JSpinner s, int def)
+  protected static int getSpinnerInt(JSpinner s, int def)
   {
     int i = def;
     try
@@ -2212,33 +2500,129 @@ public class GPreferences extends JPanel
     return i;
   }
 
-  private void keepRollMaxOptionsEnabled(boolean enabled)
+  private void keepRollMaxOptionsEnabled()
   {
+    boolean enabled = backupfilesKeepAll.isEnabled()
+            && !backupfilesKeepAll.isSelected();
     oldBackupFilesLabel.setEnabled(enabled);
     backupfilesRollMaxSpinner.setEnabled(enabled);
     backupfilesConfirmDelete.setEnabled(enabled);
-
   }
 
-  protected void backupsOptionsSetEnabled(boolean enabled)
+  private void backupfilesKeepAllSetEnabled(boolean tryEnabled)
   {
-    suffixPanel.setEnabled(enabled);
+    boolean enabled = tryEnabled && enableBackupFiles.isSelected()
+            && customiseCheckbox.isSelected()
+            && suffixTemplate.getText()
+                    .indexOf(BackupFiles.NUM_PLACEHOLDER) > -1;
     keepfilesPanel.setEnabled(enabled);
-    exampleFilesPanel.setEnabled(enabled);
+    backupfilesKeepAll.setEnabled(enabled);
+    oldBackupFilesLabel.setEnabled(enabled);
+    keepRollMaxOptionsEnabled();
+  }
 
-    suffixTemplate.setEnabled(enabled);
-    suffixTemplateLabel.setEnabled(enabled);
+  private void backupfilesSuffixTemplateDigitsSetEnabled()
+  {
+    boolean enabled = suffixTemplate.isEnabled() && suffixTemplate.getText()
+            .indexOf(BackupFiles.NUM_PLACEHOLDER) > -1;
     suffixDigitsLabel.setEnabled(enabled);
     suffixDigitsSpinner.setEnabled(enabled);
     suffixReverse.setEnabled(enabled);
-    backupfilesKeepAll.setEnabled(enabled);
-    backupfilesRollMaxSpinner.setEnabled(enabled);
-    oldBackupFilesLabel.setEnabled(enabled);
-    backupfilesConfirmDelete.setEnabled(enabled);
-    exampleLabel.setEnabled(enabled);
+  }
+
+  private void backupfilesSuffixTemplateSetEnabled(boolean tryEnabled)
+  {
+    boolean enabled = tryEnabled && enableBackupFiles.isSelected()
+            && customiseCheckbox.isSelected();
+    suffixPanel.setEnabled(enabled);
+    suffixTemplateLabel.setEnabled(enabled);
+    suffixTemplate.setEnabled(enabled);
+    backupfilesSuffixTemplateDigitsSetEnabled();
+  }
+
+  private void backupfilesRevertButtonSetEnabled(boolean tryEnabled)
+  {
+    boolean enabled = tryEnabled && enableBackupFiles.isSelected()
+            && customiseCheckbox.isSelected() && backupfilesCustomChanged();
+    revertButton.setEnabled(enabled);
+  }
+
+  private boolean backupfilesCustomChanged()
+  {
+    BackupFilesPresetEntry custom = BackupFilesPresetEntry.backupfilesPresetEntriesValues
+            .get(BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM);
+    BackupFilesPresetEntry current = getBackupfilesCurrentEntry();
+    return !custom.equals(current);
+  }
+
+  protected BackupFilesPresetEntry getBackupfilesCurrentEntry()
+  {
+    String suffix = suffixTemplate.getText();
+    int digits = getSpinnerInt(suffixDigitsSpinner, 3);
+    boolean reverse = suffixReverse.isSelected();
+    boolean keepAll = backupfilesKeepAll.isSelected();
+    int rollMax = getSpinnerInt(backupfilesRollMaxSpinner, 3);
+    boolean confirmDelete = backupfilesConfirmDelete.isSelected();
+
+    BackupFilesPresetEntry bfpe = new BackupFilesPresetEntry(suffix, digits,
+            reverse, keepAll, rollMax, confirmDelete);
+
+    return bfpe;
+  }
+
+  protected void backupfilesCustomOptionsSetEnabled()
+  {
+    // int scheme = getComboIntStringKey(backupfilesPresetsCombo);
+    // boolean enabled = scheme == BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM &&
+    // enableBackupFiles.isSelected();
+    boolean enabled = customiseCheckbox.isSelected();
+    //boolean enabled = customiseCheckbox.isSelected() && enableBackupFiles.isSelected();
+
+    backupfilesRevertButtonSetEnabled(enabled);
+    backupfilesSuffixTemplateSetEnabled(enabled);
+    backupfilesKeepAllSetEnabled(enabled);
+  }
+
+  private void backupfilesSummarySetEnabled()
+  {
+    boolean enabled = enableBackupFiles.isSelected();
     backupfilesExampleLabel.setEnabled(enabled);
+    exampleFilesPanel.setEnabled(enabled);
+  }
+
+  private void backupfilesPresetsSetEnabled()
+  {
+    boolean enabled = enableBackupFiles.isSelected();
+    presetsPanel.setEnabled(enabled);
+    presetsComboLabel.setEnabled(enabled);
+    backupfilesPresetsCombo.setEnabled(enabled);
+    customiseCheckbox.setEnabled(enabled);
+    revertButton.setEnabled(enabled);
+  }
 
-    keepRollMaxOptionsEnabled(enabled && !backupfilesKeepAll.isSelected());
+  protected void backupsOptionsSetEnabled()
+  {
+    backupfilesPresetsSetEnabled();
+    backupfilesSummarySetEnabled();
+    backupfilesCustomOptionsSetEnabled();
+  }
+
+  protected void backupsSetOptions(String suffix, int digits,
+          boolean reverse, boolean keepAll, int rollMax,
+          boolean confirmDelete)
+  {
+    suffixTemplate.setText(suffix);
+    suffixDigitsSpinner.setValue(digits);
+    suffixReverse.setSelected(reverse);
+    backupfilesKeepAll.setSelected(keepAll);
+    backupfilesRollMaxSpinner.setValue(rollMax);
+    backupfilesConfirmDelete.setSelected(confirmDelete);
+  }
+
+  protected void backupsSetOptions(BackupFilesPresetEntry p)
+  {
+    backupsSetOptions(p.suffix, p.digits, p.reverse, p.keepAll, p.rollMax,
+            p.confirmDelete);
   }
 
   protected void autoIdWidth_actionPerformed()
@@ -2426,3 +2810,4 @@ public class GPreferences extends JPanel
 
   }
 }
+