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
public void widgetSelected( SelectionEvent e )
			{
				intervalBaseText.setEnabled( intervalBaseButton.getSelection( ) );
			}
		} );
		intervalBaseText = new Text( composite, SWT.SINGLE | SWT.BORDER );
		intervalBaseText.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		hideDetail = new Button( composite, SWT.CHECK );
		hideDetail.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		hideDetail.setText( GROUP_DLG_HIDE_DETAIL );
	}
	/**
	 * Creates the group area
	 * 
	 * @param parent
	 *            the parent composite
	 */
	private void createGroupArea( Composite parent )
	{
		Composite composite = new Composite( parent, SWT.NONE );
		GridData layoutData = new GridData( GridData.FILL_HORIZONTAL
				| GridData.VERTICAL_ALIGN_BEGINNING );
		layoutData.verticalSpan = 2;
		composite.setLayoutData( layoutData );
		composite.setLayout( new GridLayout( ) );
		Group sortingGroup = new Group( composite, SWT.NONE );
		sortingGroup.setText( SORT_GROUP_TITLE );
		sortingGroup.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		sortingGroup.setLayout( new FillLayout( SWT.VERTICAL ) );
		Composite sortingGroupComposite = new Composite( sortingGroup, SWT.NONE );