Bug 136833 Group key is affected by Generate All button in group.
Description: Group key is affected by Generate All button in group. Steps to reproduce: 1. Insert a list 2. Add a group, select a group key, then click Generate All button. Actual result: Group key disappeared, you have to reset it.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/GroupDialog.java
private 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" ); 
	public static final String GROUP_DLG_HIDE_DETAIL = Messages.getString( "GroupDialog.buttion.HideDetail" );
	private List 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;
	/**
	 * The include check box and sorting direction radio box
	 */
	private Button includeHeader, includeFooter, ascending, descending;
	private Button intervalBaseButton;
	private Text intervalBaseText;
	private Button hideDetail;
	private Text tocEditor;
	final private static IChoice[] intervalChoicesAll = DesignEngine.getMetaDataDictionary( )
			.getChoiceSet( DesignChoiceConstants.CHOICE_INTERVAL )
			.getChoices( );