Bug 18067 Packages View filters not applied when eclipse restarted
Eclipse F1 1) Create a java project with a .classpath file 2) In the packages view open the filter dialog and uncheck "Hide .* files". 3) Notice that the .classpath file is visible 4) Exit eclipse 5) Launch eclipse again. 6) Notice that the .classpath file is not visible in the packages view 7) Open the filter dialog for the Packages view. Notice that "Hide .* files" is still unchecked.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/MemberFilterActionGroup.java
public static final int FILTER_NONPUBLIC= MemberFilter.FILTER_NONPUBLIC;
	public static final int FILTER_STATIC= MemberFilter.FILTER_STATIC;
	public static final int FILTER_FIELDS= MemberFilter.FILTER_FIELDS;
	
	private static final String TAG_HIDEFIELDS= "hidefields"; 
	private static final String TAG_HIDESTATIC= "hidestatic"; 
	private static final String TAG_HIDENONPUBLIC= "hidenonpublic"; 
	
	private MemberFilterAction[] fFilterActions;
	private MemberFilter fFilter;
	
	private StructuredViewer fViewer;
	private String fViewerId;
	
	
	/**
	 * Creates the action group for a viewer. A filter is added to the viewer that is connected to the
	 * toolbar buttons that can be added to the toolbar with <code>fillActionBars</code>.
	 * @param viewer The viewer to be filtered.
	 * @param viewerId A unique id of the viewer. Used as a key to to store the last used filter
	 * settings in the preference store.
	 */