Bug 192171 Layout still display css style from library after removing library.[01]
Description: Layout still display css style from library after removing library. Build number:2.2.0.v20070612 Steps to reproduce: 1. Add a css file in Library Explorer 2. New a library file. 3. Use css file in library default theme. 4. New a report and use the library. 5. Insert a label and apply the style from library. 6. Remove the library in report Outline. Expected result: Style effect disappears from label in Layout. Actual result: Label in Layout still displays the style effect. Error log:N/A
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/AbstractLibraryRecord.java
{
		int size = librariesToUpdate.size( );
		List libraries = module.getLibraries( );
		for ( int i = 0; i < size; i++ )
		{
			updateReferenceableClients( (Library) libraries.get( i ) );
		}
	}
	/**
	 * Updates the theme/style element reference which refers to the given
	 * library.
	 * 
	 * @param library
	 *            the library whose element references are updated.
	 */
	public void updateReferenceableClients( Library library )
	{
		updateReferenceableClients( library, ILibraryModel.THEMES_SLOT );
		
		List images = library.getListProperty( library,
				IModuleModel.IMAGES_PROP );
		if ( images == null || images.isEmpty( ) )
			return;
		boolean sendEvent = false;
		for ( int i = 0; i < images.size( ); i++ )
		{
			EmbeddedImage image = (EmbeddedImage) images.get( i );
			List clients = image.getClientStructures( );
			if ( clients == null || clients.isEmpty( ) )
				continue;