fix #21488 - make our custom checkbox models extend ToggleButtonModel…

… so that Java 8u311 is happy

git-svn-id: https://josm.openstreetmap.de/svn/trunk@18311 0c6e7542-c601-0410-84e7-c038aed88b3b

src/org/openstreetmap/josm/gui/dialogs/MapPaintDialog.java

@@ -26,7 +26,6 @@
 import java.util.List;
 
 import javax.swing.AbstractAction;
-import javax.swing.DefaultButtonModel;
 import javax.swing.DefaultListSelectionModel;
 import javax.swing.ImageIcon;
 import javax.swing.JCheckBox;
@@ -37,6 +36,7 @@
 import javax.swing.JScrollPane;
 import javax.swing.JTabbedPane;
 import javax.swing.JTable;
+import javax.swing.JToggleButton.ToggleButtonModel;
 import javax.swing.ListSelectionModel;
 import javax.swing.SingleSelectionModel;
 import javax.swing.SwingConstants;
@@ -125,7 +125,7 @@ protected void build() {
         wfLabel.setFont(wfLabel.getFont().deriveFont(Font.PLAIN));
         wfLabel.setLabelFor(cbWireframe);
 
-        cbWireframe.setModel(new DefaultButtonModel() {
+        cbWireframe.setModel(new ToggleButtonModel() {
             @Override
             public void setSelected(boolean b) {
                 super.setSelected(b);

src/org/openstreetmap/josm/gui/widgets/QuadStateCheckBox.java

@@ -151,7 +151,7 @@ public void setSelected(boolean b) {
     /**
      * Button model for the {@code QuadStateCheckBox}.
      */
-    private final class QuadStateDecorator implements ButtonModel {
+    private final class QuadStateDecorator extends ToggleButtonModel {
         private final ButtonModel other;
         private String propertyText;