Bug 135840 "Value of this data item" selection in map and highlight is no effect
Details: "Value of this data item" selection in map and highlight is no effect Step: 1. New a datasource and dataset 2. Add a table and binding all the column. 3. Add a data item in detail row. 4. Add a map of the data item. Select the value and open the list. Select "Value of this data item" Actual result: No effect when select this selection
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/MapRuleBuilder.java
public void modifyText( ModifyEvent e )
			{
				updateButtons( );
			}
		} );
		Button expBuilder = new Button( condition, SWT.PUSH );
		expBuilder.setText( "..." ); 
		gdata = new GridData( );
		gdata.heightHint = 20;
		gdata.widthHint = 20;
		expBuilder.setLayoutData( gdata );
		expBuilder.setToolTipText( Messages.getString( "HighlightRuleBuilderDialog.tooltip.ExpBuilder" ) ); 
		expBuilder.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				editValue( expression );
			}
		} );
		operator = new Combo( condition, SWT.READ_ONLY );
		for ( int i = 0; i < OPERATOR.length; i++ )
		{
			operator.add( OPERATOR[i][0] );
		}
		operator.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				String value = getValueForOperator( operator.getText( ) );
				int vv = determineValueVisible( value );
				if ( vv == 0 )
				{