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.tests/test/org/eclipse/birt/report/model/api/ReportItemHandleTest.java
MemberHandle memberHandle = structHandle
				.getMember( HideRule.FORMAT_MEMBER );
		assertEquals( DesignChoiceConstants.FORMAT_TYPE_PDF, memberHandle
				.getStringValue( ) );
		memberHandle = structHandle.getMember( HideRule.VALUE_EXPR_MEMBER );
		assertEquals( "pdf, 10 people", memberHandle.getStringValue( ) ); 
		
		structHandle = (StructureHandle) rules.next( );
		assertNotNull( structHandle );
		memberHandle = structHandle.getMember( HideRule.FORMAT_MEMBER );
		assertEquals( DesignChoiceConstants.FORMAT_TYPE_ALL, memberHandle
				.getStringValue( ) );
		memberHandle = structHandle.getMember( HideRule.VALUE_EXPR_MEMBER );
		assertEquals( "excel, 10 people", memberHandle.getStringValue( ) ); 
		
		structHandle = (StructureHandle) rules.next( );
		assertNull( structHandle );
		
		DataItemHandle dataHandle = (DataItemHandle) designHandle
				.findElement( "bodyData" ); 		
		rules = dataHandle.visibilityRulesIterator( );
		structHandle = (StructureHandle) rules.next( );
		assertNotNull( structHandle );
		
		memberHandle = structHandle.getMember( HideRule.FORMAT_MEMBER );
		assertEquals( DesignChoiceConstants.FORMAT_TYPE_ALL, memberHandle
				.getStringValue( ) );
		memberHandle = structHandle.getMember( HideRule.VALUE_EXPR_MEMBER );
		assertNull( memberHandle.getStringValue( ) );