Bug 185898 ReportItemHandle needs to add two method: getAvailableDataBindingReferenceList and getDataBindingType.
ReportItemHandle needs to add two method: getAvailableDataBindingReferenceList and getDataBindingType. The first method provider the available ReportItem list of DataBindingReference. The second method provider the type of the DataBinding.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ReportItemHandle.java
}
		TOCHandle tocHandle = getTOC( );
		if ( StringUtil.isBlank( expression ) )
			return;
		if ( tocHandle == null )
		{
			TOC toc = StructureFactory.createTOC( expression );
			addTOC( toc );
		}
		else
		{
			tocHandle.setExpression( expression );
		}
	}
	/**
	 * Returns the expression evalueated as a table of contents entry for this
	 * item.
	 * 
	 * @return the expression evaluated as a table of contents entry for this
	 *         item
	 * @see #setTocExpression(String)
	 * @deprecated
	 */
	public String getTocExpression( )
	{
		TOCHandle tocHandle = getTOC( );
		if ( tocHandle == null )
			return null;
		return tocHandle.getExpression( );
	}