Generate UUID: copy to clipboard if no active editor found

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/actions/common/GenerateUUIDHandler.java

@@ -22,6 +22,10 @@ import org.eclipse.jface.text.BadLocationException;
 import org.eclipse.jface.text.ITextViewer;
 import org.eclipse.jface.text.TextSelection;
 import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.swt.dnd.Clipboard;
+import org.eclipse.swt.dnd.TextTransfer;
+import org.eclipse.swt.dnd.Transfer;
+import org.eclipse.swt.widgets.Display;
 import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.handlers.HandlerUtil;
 import org.jkiss.dbeaver.model.data.DBDAttributeBinding;
@@ -45,6 +49,7 @@ public class GenerateUUIDHandler extends NavigatorHandlerObjectBase {
         if (activePart == null) {
             return null;
         }
+        String uuid = generateUUID();
 
         IResultSetController rsc = activePart.getAdapter(IResultSetController.class);
         if (rsc != null && UIUtils.hasFocus(rsc.getControl())) {
@@ -61,7 +66,6 @@ public class GenerateUUIDHandler extends NavigatorHandlerObjectBase {
                             IValueController.EditType.NONE,
                             null);
                         DBDValueHandler valueHandler = valueController.getValueHandler();
-                        String uuid = generateUUID();
                         valueController.updateValue(uuid, false);
                     }
                 }
@@ -76,7 +80,6 @@ public class GenerateUUIDHandler extends NavigatorHandlerObjectBase {
                     try {
                         int offset = ((TextSelection) selection).getOffset();
                         int length = ((TextSelection) selection).getLength();
-                        String uuid = generateUUID();
                         textViewer.getDocument().replace(
                             offset,
                             length, uuid);
@@ -85,6 +88,17 @@ public class GenerateUUIDHandler extends NavigatorHandlerObjectBase {
                         DBWorkbench.getPlatformUI().showError("Insert UUID", "Error inserting UUID in text editor", e);
                     }
                 }
+            } else {
+                Clipboard clipboard = new Clipboard(Display.getCurrent());
+                try {
+                    TextTransfer textTransfer = TextTransfer.getInstance();
+                    clipboard.setContents(
+                        new Object[]{uuid},
+                        new Transfer[]{textTransfer});
+                } finally {
+                    clipboard.dispose();
+                }
+
             }
         }