Fixup : testing the CI

Author: elsazac

bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRenderer.java

@@ -87,6 +87,10 @@
 import org.eclipse.swt.custom.CTabFolder2Listener;
 import org.eclipse.swt.custom.CTabFolderEvent;
 import org.eclipse.swt.custom.CTabItem;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.DropTarget;
+import org.eclipse.swt.dnd.TextTransfer;
+import org.eclipse.swt.dnd.Transfer;
 import org.eclipse.swt.events.ControlEvent;
 import org.eclipse.swt.events.ControlListener;
 import org.eclipse.swt.events.MouseAdapter;
@@ -722,11 +726,13 @@ public Object createWidget(MUIElement element, Object parent) {
 		if (PartStackUtil.isEditorStack(element)) {
 			createOnboardingControls(tabFolder);
 			initializeOnboardingInformationInEditorStack(tabFolder);
-			Display.getCurrent().getActiveShell();
-			// new DropTarget(shell, DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK);
+			Label dropLabel = new Label(tabFolder, SWT.NONE);
+			dropLabel.setText("Drop here"); //$NON-NLS-1$
+			int drop = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
+			DropTarget target = new DropTarget(dropLabel, drop);
+			target.setTransfer(new Transfer[] { TextTransfer.getInstance() }); // or FileTransfer, etc.
 		}
 		tabFolder.setMRUVisible(getMRUValue());
-
 		// Adjust the minimum chars based on the location
 		if (isInSharedArea) {
 			tabFolder.setMinimumCharacters(MIN_EDITOR_CHARS);
@@ -740,7 +746,6 @@ public Object createWidget(MUIElement element, Object parent) {
 
 		// Add a composite to manage the view's TB and Menu
 		addTopRight(tabFolder);
-
 		return tabFolder;
 	}