001    // License: GPL. For details, see LICENSE file.
002    package org.openstreetmap.josm.gui.preferences.map;
003    
004    import static org.openstreetmap.josm.tools.I18n.tr;
005    
006    import java.awt.GridBagLayout;
007    import java.awt.event.ActionEvent;
008    import java.awt.event.ActionListener;
009    
010    import javax.swing.BorderFactory;
011    import javax.swing.Box;
012    import javax.swing.JCheckBox;
013    import javax.swing.JLabel;
014    import javax.swing.JPanel;
015    import javax.swing.JScrollPane;
016    import javax.swing.JSeparator;
017    import javax.swing.JTextField;
018    
019    import org.openstreetmap.josm.data.AutosaveTask;
020    import org.openstreetmap.josm.data.preferences.BooleanProperty;
021    import org.openstreetmap.josm.gui.preferences.PreferenceSettingFactory;
022    import org.openstreetmap.josm.gui.preferences.PreferenceTabbedPane;
023    import org.openstreetmap.josm.gui.preferences.SubPreferenceSetting;
024    import org.openstreetmap.josm.gui.preferences.TabPreferenceSetting;
025    import org.openstreetmap.josm.gui.widgets.HtmlPanel;
026    import org.openstreetmap.josm.gui.widgets.VerticallyScrollablePanel;
027    import org.openstreetmap.josm.tools.GBC;
028    
029    public class BackupPreference implements SubPreferenceSetting {
030    
031        public static class Factory implements PreferenceSettingFactory {
032            @Override
033            public BackupPreference createPreferenceSetting() {
034                return new BackupPreference();
035            }
036        }
037        private static final BooleanProperty PROP_KEEP_BACKUP = new BooleanProperty("save.keepbackup", false);
038        private JCheckBox keepBackup;
039        private JCheckBox autosave;
040        private final JTextField autosaveInterval = new JTextField(8);
041        private final JTextField backupPerLayer = new JTextField(8);
042    
043        @Override
044        public void addGui(PreferenceTabbedPane gui) {
045            JPanel panel = new VerticallyScrollablePanel();
046            panel.setLayout(new GridBagLayout());
047            panel.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
048    
049            autosave = new JCheckBox(tr("Auto save enabled"));
050            autosave.setSelected(AutosaveTask.PROP_AUTOSAVE_ENABLED.get());
051            panel.add(autosave, GBC.eol());
052    
053            final JLabel autosaveIntervalLabel = new JLabel(tr("Auto save interval (seconds)"));
054            panel.add(autosaveIntervalLabel, GBC.std().insets(60,0,0,0));
055            autosaveInterval.setText(Integer.toString(AutosaveTask.PROP_INTERVAL.get()));
056            autosaveInterval.setToolTipText(tr("Default value: {0}", AutosaveTask.PROP_INTERVAL.getDefaultValue()));
057            autosaveInterval.setMinimumSize(autosaveInterval.getPreferredSize());
058            panel.add(autosaveInterval, GBC.eol().insets(5,0,0,5));
059    
060            final JLabel backupPerLayerLabel = new JLabel(tr("Auto saved files per layer"));
061            panel.add(backupPerLayerLabel, GBC.std().insets(60,0,0,0));
062            backupPerLayer.setText(Integer.toString(AutosaveTask.PROP_FILES_PER_LAYER.get()));
063            backupPerLayer.setToolTipText(tr("Default value: {0}", AutosaveTask.PROP_FILES_PER_LAYER.getDefaultValue()));
064            backupPerLayer.setMinimumSize(backupPerLayer.getPreferredSize());
065            panel.add(backupPerLayer, GBC.eol().insets(5,0,0,10));
066    
067            panel.add(new HtmlPanel(
068                tr("<i>(Autosave stores the changed data layers in periodic intervals. " +
069                    "The backups are saved in JOSM''s preference folder. " +
070                    "In case of a crash, JOSM tries to recover the unsaved changes " +
071                    "on next start.)</i>")),
072                GBC.eop().fill(GBC.HORIZONTAL).insets(5,0,0,10));
073    
074            panel.add(new JSeparator(), GBC.eop().fill(GBC.HORIZONTAL));
075    
076            keepBackup = new JCheckBox(tr("Keep backup files when saving data layers"));
077            keepBackup.setSelected(PROP_KEEP_BACKUP.get());
078            keepBackup.setToolTipText(tr("When saving, keep backup files ending with a ~"));
079            panel.add(keepBackup, GBC.eop());
080    
081            panel.add(new HtmlPanel(
082                tr("<i>(JOSM can keep a backup file when saving data layers. "+
083                    "It appends ''~'' to the file name and saves it in the same folder.)</i>")),
084                GBC.eop().fill(GBC.HORIZONTAL).insets(5,0,0,0));
085    
086            ActionListener autosaveEnabled = new ActionListener(){
087                public void actionPerformed(ActionEvent e) {
088                    boolean enabled = autosave.isSelected();
089                    autosaveIntervalLabel.setEnabled(enabled);
090                    autosaveInterval.setEnabled(enabled);
091                    backupPerLayerLabel.setEnabled(enabled);
092                    backupPerLayer.setEnabled(enabled);
093                }
094            };
095            autosave.addActionListener(autosaveEnabled);
096            autosaveEnabled.actionPerformed(null);
097    
098            panel.add(Box.createVerticalGlue(), GBC.eol().fill(GBC.BOTH));
099            JScrollPane sp = new JScrollPane(panel);
100            sp.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
101            sp.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
102    
103            gui.getMapPreference().mapcontent.addTab(tr("File backup"), null, sp, tr("Configure whether to create backup files"));
104        }
105    
106        @Override
107        public boolean ok() {
108            boolean restartRequired = false;
109            PROP_KEEP_BACKUP.put(keepBackup.isSelected());
110    
111            restartRequired |= AutosaveTask.PROP_AUTOSAVE_ENABLED.put(autosave.isSelected());
112            restartRequired |= AutosaveTask.PROP_INTERVAL.parseAndPut(autosaveInterval.getText());
113            AutosaveTask.PROP_FILES_PER_LAYER.parseAndPut(backupPerLayer.getText());
114            return restartRequired;
115        }
116    
117        @Override
118        public boolean isExpert() {
119            return false;
120        }
121    
122        @Override
123        public TabPreferenceSetting getTabPreferenceSetting(final PreferenceTabbedPane gui) {
124            return gui.getMapPreference();
125        }
126    }