### Eclipse Workspace Patch 1.0
#P org.eclipse.mylyn.ide.ui
Index: src/org/eclipse/mylyn/internal/ide/ui/actions/FocusResourceNavigatorAction.java
===================================================================
RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.ide.ui/src/org/eclipse/mylyn/internal/ide/ui/actions/FocusResourceNavigatorAction.java,v
retrieving revision 1.10
diff -u -r1.10 FocusResourceNavigatorAction.java
--- src/org/eclipse/mylyn/internal/ide/ui/actions/FocusResourceNavigatorAction.java	12 Sep 2008 04:22:26 -0000	1.10
+++ src/org/eclipse/mylyn/internal/ide/ui/actions/FocusResourceNavigatorAction.java	11 Feb 2009 19:11:01 -0000
@@ -12,24 +12,34 @@
 package org.eclipse.mylyn.internal.ide.ui.actions;
 
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExtension;
+import org.eclipse.core.runtime.IExtensionPoint;
+import org.eclipse.core.runtime.Platform;
 import org.eclipse.jface.action.ActionContributionItem;
 import org.eclipse.jface.action.IContributionItem;
 import org.eclipse.jface.text.ITextSelection;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.StructuredViewer;
+import org.eclipse.jface.viewers.ViewerFilter;
 import org.eclipse.mylyn.context.ui.AbstractAutoFocusViewAction;
 import org.eclipse.mylyn.context.ui.InterestFilter;
+import org.eclipse.mylyn.internal.context.ui.ContextUiPlugin;
 import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.IEditorPart;
 import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
 import org.eclipse.ui.views.navigator.FilterSelectionAction;
 import org.eclipse.ui.views.navigator.IResourceNavigator;
 import org.eclipse.ui.views.navigator.ResourceNavigator;
+import org.eclipse.ui.views.navigator.ResourcePatternFilter;
 import org.eclipse.ui.views.navigator.ToggleLinkingAction;
 
 /**
@@ -111,4 +121,46 @@
 		return false;
 	}
 
+	private Set<String> getPreservedFilterPatterns() {
+		IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint(
+				IDEWorkbenchPlugin.IDE_WORKBENCH + '.' + "resourceFilters");
+		Set<String> preservedIds = ContextUiPlugin.getDefault().getPreservedFilterIds(viewPart.getSite().getId());
+		Set<String> filters = new HashSet<String>();
+		if (extension != null) {
+			IExtension[] extensions = extension.getExtensions();
+			for (IExtension extension2 : extensions) {
+				IConfigurationElement[] configElements = extension2.getConfigurationElements();
+				if (extension2.getUniqueIdentifier() != null && preservedIds.contains(extension2.getUniqueIdentifier())) {
+					for (IConfigurationElement configElement : configElements) {
+						String pattern = configElement.getAttribute("pattern");//$NON-NLS-1$
+						if (pattern != null) {
+							filters.add(pattern);
+						}
+						String selected = configElement.getAttribute("selected");//$NON-NLS-1$
+						if (selected != null && selected.equalsIgnoreCase("true")) { //$NON-NLS-1$
+							//defaultFilters.add(pattern);
+						}
+					}
+				}
+
+			}
+		}
+		return filters;
+	}
+
+	@Override
+	protected boolean isPreservedFilter(ViewerFilter filter) {
+		if (filter instanceof ResourcePatternFilter) {
+			Set<String> preservedFilterPatterns = getPreservedFilterPatterns();
+			//NOTE: since the resource filters are all contained in one filter, if one is preserved, then we preserve all filters
+			for (String pattern : ((ResourcePatternFilter) filter).getPatterns()) {
+				if (preservedFilterPatterns.contains(pattern)) {
+					return true;
+				}
+			}
+			return true;
+		}
+		return super.isPreservedFilter(filter);
+	}
+
 }