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
* @param decorator a label decorator or <code>null</code> for no decorations.
	 * @deprecated To be removed
	 */
	public void setLabelDecorator(ILabelDecorator decorator) {
	}
	
	/*
	 * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
	 */
	public void propertyChange(PropertyChangeEvent event) {
		if (fViewer == null)
			return;
		
		boolean refreshViewer= false;
	
		if (event.getProperty() == AppearancePreferencePage.SHOW_CU_CHILDREN) {
			IActionBars actionBars= getViewSite().getActionBars();
			fActionSet.fillToolBar(actionBars.getToolBarManager());
			actionBars.updateActionBars();
			
			boolean showCUChildren= AppearancePreferencePage.showCompilationUnitChildren();
			((StandardJavaElementContentProvider)fViewer.getContentProvider()).setProvideMembers(showCUChildren);
			
			refreshViewer= true;
		}
		if (refreshViewer)
			fViewer.refresh();
	}
}