Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/ContainerContext.java
slot.clear( );
		}
		else
		{
			container.clearProperty( containerProp );
		}
	}
	/**
	 * Returns the context for the given element. The parameter element must be
	 * same as the <code>container</code>.
	 * 
	 * @param newElement
	 *            the element
	 * @return the context for the element
	 */
	public ContainerContext createContext( DesignElement newElement )
	{
		if ( newElement.getDefn( ) != container.getDefn( ) )
			return null;
		ContainerContext newContext = null;
		if ( isSlot )
			newContext = new ContainerContext( newElement, containerSlotID );
		else
			newContext = new ContainerContext( newElement, containerProp );
		return newContext;
	}
	/**
	 * 
	 */
	class ContainerContextProvider