Bug 123174 inappropriate column header when inserting a table group
steps to reproduce: - create a table, bind it to an existing data set - insert a table group, e.g. row["CUSTOMERNUMBER"] - drag some data into table detail row - preview report expected behavior: - the column header should be the name of the column actual behavior: - the column header was expr. row["CUSTOMERNUMBER"]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/GroupDialog.java
{
	private static final String GROUP_DLG_GROUP_FILTER_SORTING = Messages.getString( "GroupDialog.Label.FilterSorting" ); 
	private static final String GROUP_DLG_GROUP_RANGE_LABEL = Messages.getString( "GroupDialog.Label.Range" ); 
	private static final String GROUP_DLG_GROUP_INTERVAL_LABEL = Messages.getString( "GroupDialog.Label.Interval" ); 
	private static final String GROUP_DLG_GROUP_KEY_LABEL = Messages.getString( "GroupDialog.Label.GroupOn" ); 
	private static final String GROUP_DLG_GROUP_NAME_LABEL = Messages.getString( "GroupDialog.Label.Name" ); 
	private static final String TAB_SORTING = Messages.getString( "GroupDialog.Tab.Sorting" ); 
	private static final String TAB_FILTER = Messages.getString( "GroupDialog.Tab.Filter" ); 
	private static final String GROUP_DLG_INCLUDE_FOOTER_LABEL = Messages.getString( "GroupDialog.Label.IncludeFooter" ); 
	private static final String GROUP_DLG_INCLUDE_HEADER_LABEL = Messages.getString( "GroupDialog.Label.IncludeHeader" ); 
	private static final String GROUP_DLG_HEADER_FOOTER_LABEL = Messages.getString( "GroupDialog.Label.HeaderFooter" ); 
	public static final String GROUP_DLG_INTERVAL_BASE_LABEL = Messages.getString( "GroupDialog.Label.IntervalBase" ); 
	private static final String GROUP_DLG_AREA_MSG = Messages.getString( "GroupDialog.Dialog.GroupDetail" ); 
	public static final String GROUP_DLG_TITLE_NEW = Messages.getString( "GroupDialog.Title.New" ); 
	public static final String GROUP_DLG_TITLE_EDIT = Messages.getString( "GroupDialog.Title.Edit" ); 
	private List dataSetList = null, columnList;
	private GroupHandle inputGroup;
	/**
	 * The name editor
	 */
	private Text nameEditor;
	/**
	 * The group key and interval type combo box.
	 */
	private Combo keyChooser, intervalType;
	/**
	 * The spinner to choose interval range;
	 */
	private Spinner intervalRange;