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/ReportItemHandle.java
}
	/**
	 * Adds a new element as the view.
	 * 
	 * @param viewElement
	 *            the element
	 * @throws SemanticException
	 */
	public void addView( DesignElementHandle viewElement )
			throws SemanticException
	{
		MultiViewsAPIProvider provider = new MultiViewsAPIProvider( this,
				MULTI_VIEWS_PROP );
		provider.addView( viewElement );
	}
	/**
	 * Deletes the given view.
	 * 
	 * @param viewElement
	 *            the element
	 * @throws SemanticException
	 */
	public void dropView( DesignElementHandle viewElement )
			throws SemanticException
	{
		MultiViewsAPIProvider provider = new MultiViewsAPIProvider( this,
				MULTI_VIEWS_PROP );
		provider.dropView( viewElement );
	}
	/**