Bug 122289 [Smoke][Regression][SPM-Linux WS]Item can't be dropped to layout from library
Details: Item can't be dropped to layout from library Setp: 1.New a library and insert a label 2.New a report design and use library 3.Drop label from library explorer to layout Actual results: Nothing is dropped into layout. Not only use library in outline, but also in library explorer is no effect. But when I drop the label without use library, it will use library and label can drop in it.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
{
			moduleHandle.includeLibrary( DEUtil.getRelativedPath( moduleHandle.getFileName( ),
					libraryPath ),
					namespace );
			ExceptionHandler.openMessageBox( MSG_DIALOG_TITLE,
					MessageFormat.format( MSG_DIALOG_MSG, new String[]{
						libraryPath
					} ),
					SWT.ICON_INFORMATION );
			return true;
		}
		return false;
	}
	
	/**
	 * Includes the library into within the given module.
	 * 
	 * @param moduleHandle
	 *            the handle module
	 * @param libraryHandle
	 *            the library to include.
	 * @return true if it included successfully, or false if the operation
	 *         failed.
	 */
	public static boolean includeLibrary( ModuleHandle moduleHandle,
			LibraryHandle libraryHandle ) throws DesignFileException,
			SemanticException
	{
		if ( moduleHandle != libraryHandle
				&& !moduleHandle.isInclude( libraryHandle ) )