Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
*         modules contain.
	 */
	public List getAllDataSources( )
	{
		List elementList = module.getNameHelper( ).getElements(
				Module.DATA_SOURCE_NAME_SPACE, IAccessControl.ARBITARY_LEVEL );
		return generateHandleList( elementList );
	}
	/**
	 * Returns data source handles that are visible to this modules.
	 * 
	 * @return data source handles that are visible to this modules.
	 */
	public List getVisibleDataSources( )
	{
		List elementList = module.getNameHelper( ).getElements(
				Module.DATA_SOURCE_NAME_SPACE, IAccessControl.NATIVE_LEVEL );
		return generateHandleList( sortVisibleElements( elementList,
				IAccessControl.NATIVE_LEVEL ) );
	}
	/**
	 * Returns all data set handles that this modules and the included modules
	 * contain.
	 * 
	 * @return all data set handles that this modules and the included modules
	 *         contain.
	 */
	public List getAllDataSets( )
	{
		List elementList = module.getNameHelper( ).getElements(