Fix that swing dialogs are hidden behind main window

src/main/java/org/jabref/JabRefGUI.java

@@ -35,10 +35,6 @@
 
 public class JabRefGUI {
 
-    private static final String NIMBUS_LOOK_AND_FEEL = "javax.swing.plaf.nimbus.NimbusLookAndFeel";
-    private static final String WINDOWS_LOOK_AND_FEEL = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
-    private static final String OSX_AQUA_LOOK_AND_FEEL = "apple.laf.AquaLookAndFeel";
-
     private static final Logger LOGGER = LoggerFactory.getLogger(JabRefGUI.class);
 
     private static JabRefFrame mainFrame;

src/main/java/org/jabref/gui/BasePanel.java

@@ -455,7 +455,7 @@ private void setupActions() {
         actions.put(Actions.PREVIOUS_PREVIEW_STYLE, this::previousPreviewStyle);
 
         actions.put(Actions.MANAGE_SELECTORS, () -> {
-            ContentSelectorDialog csd = new ContentSelectorDialog(null, frame, BasePanel.this, false, null);
+            ContentSelectorDialog csd = new ContentSelectorDialog(frame, BasePanel.this, false, null);
             csd.setVisible(true);
         });
 

src/main/java/org/jabref/gui/DuplicateResolverDialog.java

@@ -6,7 +6,6 @@
 
 import javax.swing.Box;
 import javax.swing.JButton;
-import javax.swing.JFrame;
 import javax.swing.JPanel;
 
 import org.jabref.gui.help.HelpAction;
@@ -46,7 +45,7 @@ public enum DuplicateResolverResult {
     private MergeEntries me;
 
     public DuplicateResolverDialog(JabRefFrame frame, BibEntry one, BibEntry two, DuplicateResolverType type) {
-        super((JFrame) null, Localization.lang("Possible duplicate entries"), true, DuplicateResolverDialog.class);
+        super(Localization.lang("Possible duplicate entries"), true, DuplicateResolverDialog.class);
         this.frame = frame;
         init(one, two, type);
     }

src/main/java/org/jabref/gui/EntryTypeDialog.java

@@ -66,7 +66,7 @@ public class EntryTypeDialog extends JabRefDialog implements ActionListener {
 
     public EntryTypeDialog(JabRefFrame frame) {
         // modal dialog
-        super(null, true, EntryTypeDialog.class);
+        super(true, EntryTypeDialog.class);
 
         this.frame = frame;
 

src/main/java/org/jabref/gui/FindUnlinkedFilesDialog.java

@@ -3,7 +3,6 @@
 import java.awt.Component;
 import java.awt.Container;
 import java.awt.Dimension;
-import java.awt.Frame;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.Insets;
@@ -158,8 +157,8 @@ public class FindUnlinkedFilesDialog extends JabRefDialog {
 
     private boolean checkBoxWhyIsThereNoGetSelectedStupidSwing;
 
-    public FindUnlinkedFilesDialog(Frame owner, JabRefFrame frame) {
-        super(owner, Localization.lang("Find unlinked files"), true, FindUnlinkedFilesDialog.class);
+    public FindUnlinkedFilesDialog(JabRefFrame frame) {
+        super(Localization.lang("Find unlinked files"), true, FindUnlinkedFilesDialog.class);
         this.frame = frame;
 
         restoreSizeOfDialog();

src/main/java/org/jabref/gui/GenFieldsCustomizer.java

@@ -16,7 +16,6 @@
 import javax.swing.InputMap;
 import javax.swing.JButton;
 import javax.swing.JComponent;
-import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
@@ -51,7 +50,7 @@ public class GenFieldsCustomizer extends JabRefDialog {
     private final JButton revert = new JButton();
 
     public GenFieldsCustomizer(JabRefFrame frame) {
-        super((JFrame) null, Localization.lang("Set general fields"), false, GenFieldsCustomizer.class);
+        super(Localization.lang("Set general fields"), false, GenFieldsCustomizer.class);
         helpBut = new HelpAction(HelpFile.GENERAL_FIELDS).getHelpButton();
         jbInit();
         setSize(new Dimension(650, 300));

src/main/java/org/jabref/gui/JabRefDialog.java

@@ -1,38 +1,27 @@
 package org.jabref.gui;
 
 import java.awt.Frame;
-import java.awt.Window;
 
 import javax.swing.JDialog;
 
 import org.jabref.Globals;
 
 public class JabRefDialog extends JDialog {
 
-    public <T extends JabRefDialog> JabRefDialog(Frame owner, boolean modal, Class<T> clazz) {
-        super(owner, modal);
-
-        trackDialogOpening(clazz);
+    public <T extends JabRefDialog> JabRefDialog(boolean modal, Class<T> clazz) {
+        this("JabRef", modal, clazz);
     }
 
     public <T extends JabRefDialog> JabRefDialog(Class<T> clazz) {
-        super();
-
-        trackDialogOpening(clazz);
+        this(true, clazz);
     }
 
-    public <T extends JabRefDialog> JabRefDialog(Frame owner, Class<T> clazz) {
-        super(owner);
-
-        trackDialogOpening(clazz);
+    public <T extends JabRefDialog> JabRefDialog(String title, Class<T> clazz) {
+        this(title, true, clazz);
     }
 
-    public <T  extends JabRefDialog> JabRefDialog(Frame owner, String title, Class<T> clazz) {
-        this(owner, title, true, clazz);
-    }
-
-    public <T  extends JabRefDialog> JabRefDialog(Frame owner, String title, boolean modal, Class<T> clazz) {
-        super(owner, title, modal);
+    public <T extends JabRefDialog> JabRefDialog(String title, boolean modal, Class<T> clazz) {
+        super((Frame) null, title, modal);
 
         trackDialogOpening(clazz);
     }
@@ -47,13 +36,19 @@ public <T  extends JabRefDialog> JabRefDialog(java.awt.Dialog owner, String titl
         trackDialogOpening(clazz);
     }
 
-    public <T extends JabRefDialog> JabRefDialog(Window owner, String title, Class<T> clazz) {
-        super(owner, title);
-
-        trackDialogOpening(clazz);
-    }
-
     private <T extends JabRefDialog> void trackDialogOpening(Class<T> clazz) {
         Globals.getTelemetryClient().ifPresent(client -> client.trackPageView(clazz.getName()));
     }
+
+    @Override
+    public void setVisible(boolean visible) {
+        super.setVisible(visible);
+
+        if (visible) {
+            // Ugly hack to ensure that new dialogs are not hidden behind the main window
+            setAlwaysOnTop(true);
+            requestFocus();
+            setAlwaysOnTop(false);
+        }
+    }
 }

src/main/java/org/jabref/gui/MergeDialog.java

@@ -13,7 +13,6 @@
 import javax.swing.JButton;
 import javax.swing.JCheckBox;
 import javax.swing.JComponent;
-import javax.swing.JFrame;
 import javax.swing.JPanel;
 
 import org.jabref.Globals;
@@ -41,7 +40,7 @@ public class MergeDialog extends JabRefDialog {
     private boolean okPressed;
 
     public MergeDialog(JabRefFrame frame, String title, boolean modal) {
-        super((JFrame) null, title, modal, MergeDialog.class);
+        super(title, modal, MergeDialog.class);
         jbInit();
         pack();
     }

src/main/java/org/jabref/gui/ReplaceStringDialog.java

@@ -16,7 +16,6 @@
 import javax.swing.JButton;
 import javax.swing.JCheckBox;
 import javax.swing.JComponent;
-import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JRadioButton;
@@ -48,7 +47,7 @@ class ReplaceStringDialog extends JabRefDialog {
 
 
     public ReplaceStringDialog(JabRefFrame parent) {
-        super((JFrame) null, Localization.lang("Replace string"), true, ReplaceStringDialog.class);
+        super(Localization.lang("Replace string"), true, ReplaceStringDialog.class);
 
         ButtonGroup bg = new ButtonGroup();
         bg.add(allFi);

src/main/java/org/jabref/gui/StringDialog.java

@@ -66,7 +66,7 @@ class StringDialog extends JabRefDialog {
 
 
     public StringDialog(JabRefFrame frame, BasePanel panel, BibDatabase base) {
-        super(null, StringDialog.class);
+        super(StringDialog.class);
         this.panel = panel;
         this.base = base;
 

src/main/java/org/jabref/gui/actions/DatabasePropertiesAction.java

@@ -13,7 +13,7 @@ public DatabasePropertiesAction(JabRefFrame frame) {
 
     @Override
     public void execute() {
-        DatabasePropertiesDialog propertiesDialog = new DatabasePropertiesDialog(null, frame.getCurrentBasePanel());
+        DatabasePropertiesDialog propertiesDialog = new DatabasePropertiesDialog(frame.getCurrentBasePanel());
         propertiesDialog.updateEnableStatus();
         propertiesDialog.setVisible(true);
     }

src/main/java/org/jabref/gui/actions/FindUnlinkedFilesAction.java

@@ -13,7 +13,7 @@ public FindUnlinkedFilesAction(JabRefFrame jabRefFrame) {
 
     @Override
     public void execute() {
-        FindUnlinkedFilesDialog dlg = new FindUnlinkedFilesDialog(null, jabRefFrame);
+        FindUnlinkedFilesDialog dlg = new FindUnlinkedFilesDialog(jabRefFrame);
         dlg.setVisible(true);
     }
 

src/main/java/org/jabref/gui/actions/WriteXMPAction.java

@@ -17,7 +17,6 @@
 import javax.swing.InputMap;
 import javax.swing.JButton;
 import javax.swing.JComponent;
-import javax.swing.JFrame;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.JTextArea;
@@ -95,7 +94,7 @@ public void init() {
         errors = entriesChanged = skipped = 0;
 
         if (optionsDialog == null) {
-            optionsDialog = new OptionsDialog(null);
+            optionsDialog = new OptionsDialog();
         }
         optionsDialog.open();
 
@@ -182,9 +181,8 @@ class OptionsDialog extends JabRefDialog {
 
         private final JTextArea progressArea;
 
-
-        public OptionsDialog(JFrame parent) {
-            super(parent, Localization.lang("Writing XMP-metadata for selected entries..."), false, WriteXMPAction.OptionsDialog.class);
+        public OptionsDialog() {
+            super(Localization.lang("Writing XMP-metadata for selected entries..."), false, WriteXMPAction.OptionsDialog.class);
             okButton.setEnabled(false);
 
             okButton.addActionListener(e -> dispose());

src/main/java/org/jabref/gui/auximport/FromAuxDialog.java

@@ -13,7 +13,6 @@
 import javax.swing.JButton;
 import javax.swing.JComboBox;
 import javax.swing.JComponent;
-import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JList;
 import javax.swing.JPanel;
@@ -69,7 +68,7 @@ public class FromAuxDialog extends JabRefDialog {
     private final JabRefFrame parentFrame;
 
     public FromAuxDialog(JabRefFrame frame, String title, boolean modal, TabPane viewedDBs) {
-        super((JFrame) null, title, modal, FromAuxDialog.class);
+        super(title, modal, FromAuxDialog.class);
 
         parentTabbedPane = viewedDBs;
         parentFrame = frame;

src/main/java/org/jabref/gui/bibtexkeypattern/BibtexKeyPatternDialog.java

@@ -10,7 +10,6 @@
 import javax.swing.BorderFactory;
 import javax.swing.JButton;
 import javax.swing.JDialog;
-import javax.swing.JFrame;
 import javax.swing.JPanel;
 import javax.swing.WindowConstants;
 
@@ -31,7 +30,7 @@ public class BibtexKeyPatternDialog extends JabRefDialog {
     private final BibtexKeyPatternPanel bibtexKeyPatternPanel;
 
     public BibtexKeyPatternDialog(BasePanel panel) {
-        super((JFrame) null, Localization.lang("BibTeX key patterns"), true, BibtexKeyPatternDialog.class);
+        super(Localization.lang("BibTeX key patterns"), true, BibtexKeyPatternDialog.class);
         this.bibtexKeyPatternPanel = new BibtexKeyPatternPanel(panel);
         this.panel = panel;
         this.metaData = panel.getBibDatabaseContext().getMetaData();

src/main/java/org/jabref/gui/collab/ChangeDisplayDialog.java

@@ -9,7 +9,6 @@
 import javax.swing.JButton;
 import javax.swing.JCheckBox;
 import javax.swing.JComponent;
-import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
@@ -35,10 +34,9 @@ class ChangeDisplayDialog extends JabRefDialog implements TreeSelectionListener
     private JComponent infoShown;
     private boolean okPressed;
 
-
-    public ChangeDisplayDialog(JFrame owner, final BasePanel panel,
-            BibDatabase secondary, final DefaultMutableTreeNode root) {
-        super(owner, Localization.lang("External changes"), true, ChangeDisplayDialog.class);
+    public ChangeDisplayDialog(final BasePanel panel,
+                               BibDatabase secondary, final DefaultMutableTreeNode root) {
+        super(Localization.lang("External changes"), true, ChangeDisplayDialog.class);
         BibDatabase localSecondary;
 
         // Just to be sure, put in an empty secondary base if none is given:

src/main/java/org/jabref/gui/collab/ChangeScanner.java

@@ -81,7 +81,7 @@ private static BibEntry bestFit(BibEntry targetEntry, List<BibEntry> entries) {
     public void displayResult(final DisplayResultCallback fup) {
         if (changes.getChildCount() > 0) {
             SwingUtilities.invokeLater(() -> {
-                ChangeDisplayDialog changeDialog = new ChangeDisplayDialog(null, panel, databaseInTemp.getDatabase(), changes);
+                ChangeDisplayDialog changeDialog = new ChangeDisplayDialog(panel, databaseInTemp.getDatabase(), changes);
                 changeDialog.setVisible(true);
                 fup.scanResultsResolved(changeDialog.isOkPressed());
                 if (changeDialog.isOkPressed()) {

src/main/java/org/jabref/gui/contentselector/ContentSelectorDialog.java

@@ -3,7 +3,6 @@
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.Insets;
-import java.awt.Window;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.FocusAdapter;
@@ -82,14 +81,13 @@ public class ContentSelectorDialog extends JabRefDialog {
 
     /**
      *
-     * @param owner the parent Window (Dialog or Frame)
      * @param frame the JabRef Frame
      * @param panel the currently selected BasePanel
      * @param modal should this dialog be modal?
      * @param fieldName the field this selector is initialized for. May be null.
      */
-    public ContentSelectorDialog(Window owner, JabRefFrame frame, BasePanel panel, boolean modal, String fieldName) {
-        super(owner, Localization.lang("Manage content selectors"), ContentSelectorDialog.class);
+    public ContentSelectorDialog(JabRefFrame frame, BasePanel panel, boolean modal, String fieldName) {
+        super(Localization.lang("Manage content selectors"), ContentSelectorDialog.class);
         this.setModal(modal);
         this.metaData = panel.getBibDatabaseContext().getMetaData();
         this.frame = frame;

src/main/java/org/jabref/gui/customentrytypes/EntryTypeCustomizationDialog.java

@@ -25,7 +25,6 @@
 import javax.swing.InputMap;
 import javax.swing.JButton;
 import javax.swing.JComponent;
-import javax.swing.JFrame;
 import javax.swing.JList;
 import javax.swing.JPanel;
 import javax.swing.ListSelectionModel;
@@ -75,7 +74,7 @@ public class EntryTypeCustomizationDialog extends JabRefDialog implements ListSe
      * Creates a new instance of EntryTypeCustomizationDialog
      */
     public EntryTypeCustomizationDialog(JabRefFrame frame) {
-        super((JFrame) null, Localization.lang("Customize entry types"), false, EntryTypeCustomizationDialog.class);
+        super(Localization.lang("Customize entry types"), false, EntryTypeCustomizationDialog.class);
 
         this.frame = frame;
         initGui();

src/main/java/org/jabref/gui/dbproperties/DatabasePropertiesDialog.java

@@ -16,7 +16,6 @@
 import javax.swing.JCheckBox;
 import javax.swing.JComboBox;
 import javax.swing.JComponent;
-import javax.swing.JFrame;
 import javax.swing.JRadioButton;
 import javax.swing.JTextField;
 
@@ -69,8 +68,8 @@ public class DatabasePropertiesDialog extends JabRefDialog {
 
     private FieldFormatterCleanupsPanel fieldFormatterCleanupsPanel;
 
-    public DatabasePropertiesDialog(JFrame parent, BasePanel panel) {
-        super(parent, Localization.lang("Library properties"), true, DatabasePropertiesDialog.class);
+    public DatabasePropertiesDialog(BasePanel panel) {
+        super(Localization.lang("Library properties"), true, DatabasePropertiesDialog.class);
         encoding = new JComboBox<>();
         encoding.setModel(new DefaultComboBoxModel<>(Encodings.ENCODINGS));
         ok = new JButton(Localization.lang("OK"));

src/main/java/org/jabref/gui/exporter/CustomExportDialog.java

@@ -15,7 +15,6 @@
 import javax.swing.InputMap;
 import javax.swing.JButton;
 import javax.swing.JComponent;
-import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JTextField;
@@ -57,7 +56,7 @@ public CustomExportDialog(final JabRefFrame parent, final String exporterName, f
     }
 
     public CustomExportDialog(final JabRefFrame parent) {
-        super((JFrame) null, Localization.lang("Edit custom export"), true, CustomExportDialog.class);
+        super(Localization.lang("Edit custom export"), true, CustomExportDialog.class);
         frame = parent;
         ActionListener okListener = e -> {
             Path layoutFileDir = Paths.get(layoutFile.getText()).getParent();