Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
{
		if ( content == null )
			return false;
		return new ContainerContext( getElement( ), propName ).canContain(
				module, content.getElement( ) );
	}
	/**
	 * Returns the semantic error list, each of which is the instance of
	 * <code>ErrorDetail</code>.
	 * 
	 * @return the semantic error list.
	 */
	public List getSemanticErrors( )
	{
		List exceptionList = getElement( ).getErrors( );
		if ( exceptionList == null )
			return Collections.EMPTY_LIST;
		List errorDetailList = ErrorDetail.convertExceptionList( exceptionList );
		return ErrorDetail.getSemanticErrors( errorDetailList,
				DesignFileException.DESIGN_EXCEPTION_SEMANTIC_ERROR );
	}
	/**
	 * Returns the root container of this element. It must be Library or Report
	 * Design.
	 * 
	 * @return the handle of the root container.
	 */
	public ModuleHandle getRoot( )
	{
		Module module = getElement( ).getRoot( );