Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
*/
	public boolean isValid( )
	{
		return getElement( ).isValid( );
	}
	/**
	 * Determines whether to show an error item on the element or not. Show an
	 * error item if the element is invalid or has semantic errors, otherwise
	 * not.
	 * 
	 * @return true if the element has semantic error or the element is invalid
	 */
	public boolean showError( )
	{
		return hasSemanticError( ) || !isValid( );
	}
	/**
	 * Sets the status that identifies whether the element is valid or not.
	 * 
	 * @param isValid
	 *            the status to set
	 */
	public void setValid( boolean isValid )
	{
		getElement( ).setValid( isValid );
	}
	/**
	 * Justifies whether this element has any semantic error or not.
	 * 
	 * @return true if the element has any semantic error, otherwise false