Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
/**
	 * Checks this element with semantic rules.
	 * 
	 * @return the list of errors, each of which is the <code>ErrorDetail</code>
	 *         object.
	 * @see ErrorDetail
	 */
	public List semanticCheck( )
	{
		
		List exceptionList = getElement( ).validate( module );
		List errorDetailList = ErrorDetail.convertExceptionList( exceptionList );
		return errorDetailList;
	}
	/**
	 * Determines if this element can be dropped from its container.
	 * 
	 * @return <code>true</code> if it can be dropped. Returns
	 *         <code>false</code> otherwise.
	 */
	public boolean canDrop( )
	{
		return getElement( ).canDrop( getModule( ) );
	}
	/**
	 * Determines if this element is editable or not. If the element comes from
	 * a library, it can not be edited in the report design.
	 * 
	 * @return true if it can be edited. false if it can't.
	 */