Bug 301131 CreateGroupOperation, GroupDescription should be renamed or merged into existing classes
There are some remaining issues related to renamin Groups into Virtual Folders. org.eclipse.ui.internal.ide.undo.GroupDescription IMO should be merged with FolderDescription org.eclipse.ui.ide.undo.CreateGroupOperation should be merged with CreateFolderOperation IDEResourceInfoUtils#GROUP_TEXT org.eclipse.ui.wizards.datatransfer#ImportOperation#setCreateGroups Remy, if you see other related issues, please add a comment to the bug.
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/navigator/resources/ResourceDropAdapterAssistant.java
type = ImportTypeDialog.IMPORT_NONE;
				switch (type) {
				case ImportTypeDialog.IMPORT_COPY:
					operation.copyFiles(names, target);
					break;
				case ImportTypeDialog.IMPORT_VIRTUAL_FOLDERS_AND_LINKS:
					if (dialog.getVariable() != null)
						operation.setRelativeVariable(dialog.getVariable());
					operation.createGroupAndLinks(names, target);
					break;
				case ImportTypeDialog.IMPORT_LINK:
					if (dialog.getVariable() != null)
						operation.setRelativeVariable(dialog.getVariable());
					operation.linkFiles(names, target);
					break;
				case ImportTypeDialog.IMPORT_NONE:
					break;
				}
			}
		});
		return problems;
	}
	/**
	 * Ensures that the drop target meets certain criteria
	 */
	private IStatus validateTarget(Object target, TransferData transferType,
			int dropOperation) {
		if (!(target instanceof IResource)) {
			return WorkbenchNavigatorPlugin
					.createInfoStatus(WorkbenchNavigatorMessages.DropAdapter_targetMustBeResource);