Bug 120216 Group dialog should be showed even dataset is not set.
- Add a table report item - do not set the data set - try creating a new table group. - An error is shown Expected behavior - As part of the template requirements, we dont want UI to do the validation. User should be able to go and define a group, even if the dataset is not defined.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
private static final String MSG_DIALOG_MSG = Messages.getString( "ImportLibraryAction.Message.ImportSuccessfully" ); 
	/**
	 * Returns if current active editor is reportEditor.
	 * 
	 * @return true if current active editor is reportEditor, or false else.
	 */
	public static boolean isReportEditorActivated( )
	{
		return getActiveReportEditor( ) != null;
	}
	/**
	 * Returns the current active report editor. The same as getActiveEditor(
	 * true ).
	 * 
	 * @return the current active report editor, or null if no report editor is
	 *         active.
	 */
	public static AbstractMultiPageLayoutEditor getActiveReportEditor( )
	{
		return getActiveReportEditor( true );
	}
	/**
	 * Returns the current active report editor in current active page or
	 * current active workbench.
	 * 
	 * @param activePageOnly
	 *            If this is true, only search the current active page, or will
	 *            search all pages in current workbench, returns the first
	 *            active report or null if not found.
	 * @return the current active report editor, or null if no report editor is