Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/ContainerContext.java
private DesignElement getContent( Module module, String propName, int posn )
	{
		ElementPropertyDefn defn = container.getPropertyDefn( propName );
		if ( defn == null )
			return null;
		if ( defn.isList( ) )
		{
			List value = container.getListProperty( module, propName );
			return (DesignElement) ( value == null ? null : value.get( posn ) );
		}
		return (DesignElement) ( posn == 0 ? container.getProperty( module,
				defn ) : null );
	}
	/**
	 * 
	 * @param module
	 * @return
	 */
	public int getContentCount( Module module )
	{
		if ( isSlot )
			return container.getSlot( containerSlotID ) == null ? 0 : container
					.getSlot( containerSlotID ).getCount( );
		return getContentCount( module, containerProp );
	}
	/**
	 * 
	 * @param module
	 * @param propName
	 * @return