JAL-1988 JAL-3772 Non-blocking modal dialogs for unsaved changes and saving files...

[jalview.git] / src / jalview / gui / TextColourChooser.java

diff --git a/src/jalview/gui/TextColourChooser.java b/src/jalview/gui/TextColourChooser.java
index f9ff337..e72a084 100644 (file)
--- a/src/jalview/gui/TextColourChooser.java
+++ b/src/jalview/gui/TextColourChooser.java
@@ -27,6 +27,7 @@ import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.Callable;
 
 import javax.swing.BorderFactory;
 import javax.swing.JLabel;
@@ -151,13 +152,10 @@ public class TextColourChooser
         MessageManager.getString("action.cancel") };
     String title = MessageManager
             .getString("label.adjust_foreground_text_colour_threshold");
-    Runnable action = new Runnable() // response for 1 = Cancel
+    Callable<Void> action = () -> // response for 1 = Cancel
     {
-      @Override
-      public void run()
-      {
-        restoreInitialSettings();
-      }
+      restoreInitialSettings();
+      return null;
     };
     JvOptionPane.newOptionDialog(alignPanel.alignFrame)
             .setResponseHandler(1, action).showInternalDialog(bigpanel,