Bug 148525 Display text is not found from library resource file
Steps to reproduce: 1.New a library, add a resource file "a.properties" 2.Add a label with text"abc", add a localization "k1=actuate" 3.New a report, extend the label 4.Preview the report Expected result: Report shows "actuate" in preview Actual result: Report shows "actuate" in layout, but "abc" in preview
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
* @param content
	 *            handle to the content element to find
	 * @return The ID of the slot that contains the element, or
	 *         {@link DesignElement#NO_SLOT}if the element is not contained in
	 *         this element.
	 */
	public int findContentSlot( DesignElementHandle content )
	{
		if ( content.getContainer( ).getElement( ) == getElement( ) )
			return content.getElement( ).getContainerSlot( );
		return DesignElement.NO_SLOT;
	}
	/**
	 * Returns the a handle the the container's slot that holds this element.
	 * 
	 * @return the slot handle in which this element resides, <code>null</code>
	 *         if this element has no container.
	 */
	public SlotHandle getContainerSlotHandle( )
	{
		DesignElementHandle containerHandle = getContainer( );
		if ( containerHandle == null )
			return null;
		int slotID = containerHandle.findContentSlot( this );
		assert slotID != DesignElement.NO_SLOT;
		return containerHandle.getSlot( slotID );
	}
	/**
	 * Returns a handle to the given slot. If this element has no such slot,
	 * <code>null</code> will be returned.