SLayoutIO save should not require non-edt thread

src/main/java/forge/gui/framework/SLayoutIO.java

@@ -10,6 +10,7 @@ import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map.Entry;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 import javax.swing.SwingUtilities;
 import javax.swing.border.EmptyBorder;
@@ -23,6 +24,7 @@ import javax.xml.stream.events.Attribute;
 import javax.xml.stream.events.StartElement;
 import javax.xml.stream.events.XMLEvent;
 
+import forge.FThreads;
 import forge.Singletons;
 import forge.control.FControl.Screens;
 import forge.properties.FileLocation;
@@ -60,17 +62,23 @@ public final class SLayoutIO {
         return SLayoutIO.getFileForState(mode).userPrefLoc;
     }
 
+    
+    private final static AtomicBoolean saveRequested = new AtomicBoolean(false);
     /** Publicly-accessible save method, to neatly handle exception handling.
      * @param f0 file to save layout to, if null, saves to filePreferred
      * 
      * 
      */
     public static void saveLayout(final File f0) {
-        if (SwingUtilities.isEventDispatchThread()) {
-            throw new IllegalThreadStateException("This operation should be independent of the EDT.");
-        }
+        if( saveRequested.getAndSet(true) ) return; 
+        FThreads.delay(100, new Runnable() {
             
+            @Override
+            public void run() {
                 save(f0);
+                saveRequested.set(false);
+            }
+        });
     }
 
     private synchronized static void save(final File f0) {

src/main/java/forge/gui/framework/SRearrangingUtil.java

@@ -306,9 +306,7 @@ public final class SRearrangingUtil {
         cellNew.refresh();
         updateBorders();
 
-        final Thread t = new Thread() { @Override
-            public void run() { SLayoutIO.saveLayout(null); } };
-        t.start();
+        SLayoutIO.saveLayout(null);
     }
 
     /** The gap created by displaced panels must be filled.

src/main/java/forge/gui/framework/SResizingUtil.java

@@ -374,9 +374,7 @@ public final class SResizingUtil {
 
     /** */
     public static void endResize() {
-        final Thread t = new Thread() { @Override
-            public void run() { SLayoutIO.saveLayout(null); } };
-        t.start();
+        SLayoutIO.saveLayout(null);
     }
 
     /** @return {@link java.awt.event.MouseListener} */