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
private DesignElementHandle designHandle;
	private static final String VALUE_OF_THIS_DATA_ITEM = Messages.getString( "HighlightRuleBuilderDialog.choice.ValueOfThisDataItem" ); 
	/**
	 * Default constructor.
	 * 
	 * @param parentShell
	 *            Parent Shell
	 * @param title
	 *            Window Title
	 */
	public MapRuleBuilder( Shell parentShell, String title,
			MapHandleProvider provider )
	{
		super( parentShell, title );
		this.provider = provider;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.dialogs.Dialog#createContents(org.eclipse.swt.widgets.Composite)
	 */
	protected Control createContents( Composite parent )
	{
		GridData gdata;
		GridLayout glayout;
		createTitleArea( parent );
		Composite composite = new Composite( parent, 0 );
		glayout = new GridLayout( );
		glayout.marginHeight = 0;
		glayout.marginWidth = 0;