Bug 156497 [Regression][Acceptance]Report isn't refreshed when delete used library file.
Description: Report isn't refreshed when delete used library file. Steps to reproduce: 1.New a library, add a label, input actuate. 2.New a report, extend lib.label 3.Delete the library file. 4.Refresh the report in Outline of the report Expected result: Empty label in Layout. Actual result: label with content "actuate" in Layout.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
int size = theLibraries.size( );
		for ( int i = 0; i < size; i++ )
		{
			LibraryHandle library = (LibraryHandle) theLibraries.get( i );
			if ( library.isValid( ) )
			{
				iter = library.getFilteredStructureList( propName, nameMember )
						.iterator( );
				while ( iter.hasNext( ) )
				{
					StructureHandle s = (StructureHandle) iter.next( );
					String nameValue = (String) s.getProperty( nameMember );
					if ( !names.contains( nameValue ) )
					{
						list.add( s );
						names.add( nameValue );
					}
				}
			}
		}
		return list;
	}
	/**
	 * Returns the structures which are defined in the current module and all
	 * included valid libraries. This method will collect all structures from
	 * this module file and each valid library.
	 * 
	 * @param propName
	 *            name of the list property
	 * @return the structure list, each of which is the instance of