Bug 212497 Need api to get all referencable report item with cube
Need model provide new api to return all referencable report items for dataset or cube respectively. For instance: getAvailableDataSetBindingReferenceList(); getAvailableCubeBindingReferenceList(); also keep current api: getAvailableDataBindingReferenceList().
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
return generateHandleList( cubeList );
	}
	/**
	 * Returns cube handles that are visible to this modules.
	 * 
	 * @return cube handles that are visible to this modules.
	 */
	public List getVisibleCubes( )
	{
		List elementList = module.getNameHelper( ).getElements(
				Module.CUBE_NAME_SPACE, IAccessControl.NATIVE_LEVEL );
		List cubeList = getCubeList( elementList );
		return generateHandleList( sortVisibleElements( cubeList,
				IAccessControl.NATIVE_LEVEL ) );
	}
	/**
	 * Returns the embedded images which are defined on the module itself. The
	 * embedded images defined in the included libraries will not be returned by
	 * this method.
	 * 
	 * @return the local embedded image list.
	 */
	public List getVisibleImages( )
	{
		List images = getNativeStructureList( IModuleModel.IMAGES_PROP );
		return images;
	}
	/**
	 * Returns all page handles that this modules and the included modules
	 * contain.