Bug 167210 No change in 'TOC Item Expression' after select a group row[0001]
Description: No change in 'TOC Item Expression' after select a group row[0001] Build number: 2.2.0.v20061208-1310 Steps to reproduce: 1, Drag a dataset into layout 2, Select the table and insert a group on it. 3, In New Group, select a row as group row 4, Check the 'TOC Item Expression' Expected result: The row["XXXX"] in 'TOC Item Expression' after selecting 'Group On' Actual result: There is still blank in 'TOC Item Expression' Error log:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/GroupDialog.java
.getChoiceSet( DesignChoiceConstants.CHOICE_SORT_DIRECTION )
			.findChoice( DesignChoiceConstants.SORT_DIRECTION_ASC );
	final private static IChoice sortByDescending = DEUtil.getMetaDataDictionary( )
			.getChoiceSet( DesignChoiceConstants.CHOICE_SORT_DIRECTION )
			.findChoice( DesignChoiceConstants.SORT_DIRECTION_DESC );
	final private static String SORT_GROUP_TITLE = DEUtil.getPropertyDefn( ReportDesignConstants.TABLE_GROUP_ELEMENT,
			GroupHandle.SORT_DIRECTION_PROP )
			.getDisplayName( );
	final private static IChoice[] pagebreakBeforeChoicesAll = DEUtil.getMetaDataDictionary( )
			.getChoiceSet( DesignChoiceConstants.CHOICE_PAGE_BREAK_BEFORE )
			.getChoices( );
	final private static IChoice[] pagebreakAfterChoicesAll = DEUtil.getMetaDataDictionary( )
			.getChoiceSet( DesignChoiceConstants.CHOICE_PAGE_BREAK_AFTER )
			.getChoices( );
	final private static IChoice[] pagebreakInsideChoicesAll = DEUtil.getMetaDataDictionary( )
			.getChoiceSet( DesignChoiceConstants.CHOICE_PAGE_BREAK_INSIDE )
			.getChoices( );
	final private static IChoice[] intervalChoicesString = getIntervalChoicesString( );
	final private static IChoice[] intervalChoicesDate = getIntervalChoicesDate( );
	final private static IChoice[] intervalChoicesNumeric = getIntervalChoicesNumeric( );
	private static IChoice[] intervalChoices = intervalChoicesAll;
	private String previoiusKeyExpression = ""; 
	private Button repeatHeaderButton;
	private Combo pagebreakAfterCombo;
	private Combo pagebreakBeforeCombo;
	
	private Combo pagebreakInsideCombo;
	private FocusListener focusListener;
	/**
	 * Constructor.