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/internal/ui/packageview/PackageExplorerPart.java
/**
	 * Links to editor (if option enabled)
	 */
	private void linkToEditor(IStructuredSelection selection) {
		
		
		if (!isActivePart())
			return;
		Object obj= selection.getFirstElement();
		Object element= null;
		if (selection.size() == 1) {
			IEditorPart part= EditorUtility.isOpenInEditor(obj);
			if (part != null) {
				IWorkbenchPage page= getSite().getPage();
				page.bringToTop(part);
				if (obj instanceof IJavaElement) 
					EditorUtility.revealInEditor(part, (IJavaElement) obj);
			}
		}
	}
	private boolean isActivePart() {
		return this == getSite().getPage().getActivePart();
	}
	private IResource getResourceFor(Object element) {
		if (element instanceof IJavaElement) {
			if (element instanceof IWorkingCopy) {
				IWorkingCopy wc= (IWorkingCopy)element;
				IJavaElement original= wc.getOriginalElement();
				if (original != null)
					element= original;