Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/SlotHandle.java
* @deprecated by the method {@link #add(DesignElementHandle, int)}
	 */
	public void add( DesignElement content, int newPos )
			throws ContentException, NameException
	{
		if ( content == null )
			return;
		ContentCommand cmd = new ContentCommand( getModule( ),
				new ContainerContext( getElement( ), slotID ) );
		cmd.add( content, newPos );
	}
	/**
	 * Pastes a report item to the slot. The item must be newly created and not
	 * yet added to the design.
	 * 
	 * @param content
	 *            the newly created element handle
	 * @return a list containing all errors for the pasted element
	 * @throws ContentException
	 *             if the element is not allowed in the slot
	 * @throws NameException
	 *             if the element has a duplicate or illegal name
	 */
	public List paste( DesignElementHandle content ) throws ContentException,
			NameException
	{
		if ( content == null )
			return Collections.EMPTY_LIST;
		add( content );
		return checkPostPasteErrors( content.getElement( ) );