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diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/FilterSelectionRequestQueryProcessor.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/FilterSelectionRequestQueryProcessor.java
new file mode 100644
index 000000000..7ea5a2980
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+++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/FilterSelectionRequestQueryProcessor.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.common.processors;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.eclipse.core.runtime.Assert;
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.GraphExplorer;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.NodeContext.PrimitiveQueryKey;
+import org.simantics.browsing.ui.NodeQueryManager;
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;
+import org.simantics.browsing.ui.SelectionRequest;
+import org.simantics.browsing.ui.common.views.DefaultFilterStrategy;
+import org.simantics.browsing.ui.common.views.IFilterStrategy;
+import org.simantics.browsing.ui.content.Labeler;
+import org.simantics.utils.datastructures.Pair;
+
+/**
+ */
+public class FilterSelectionRequestQueryProcessor extends AbstractPrimitiveQueryProcessor<Collection<SelectionRequest>>
+        implements ProcessorLifecycle {
+
+    HashMap<NodeContext, String> filters = new HashMap<NodeContext, String>();
+    HashMap<NodeContext, Pair<PrimitiveQueryKey<?>, PrimitiveQueryUpdater>> updaters = new HashMap<NodeContext, Pair<PrimitiveQueryKey<?>, PrimitiveQueryUpdater>>();
+
+    IFilterStrategy filterStrategy;
+
+    public FilterSelectionRequestQueryProcessor() {
+        this(new DefaultFilterStrategy());
+    }
+
+    public FilterSelectionRequestQueryProcessor(IFilterStrategy filterStrategy) {
+        Assert.isNotNull(filterStrategy, "null filter strategy not allowed");
+        this.filterStrategy = filterStrategy;
+    }
+
+    public IFilterStrategy getFilterStrategy() {
+        return filterStrategy;
+    }
+
+    public void setFilterStrategy(IFilterStrategy filterStrategy) {
+        this.filterStrategy = filterStrategy;
+    }
+
+    @Override
+    public String toString() {
+        return "SelectionRequestProcessor";
+    }
+
+    @Override
+    public Object getIdentifier() {
+        return BuiltinKeys.SELECTION_REQUESTS;
+    }
+
+    @Override
+    public Collection<SelectionRequest> query(PrimitiveQueryUpdater updater, NodeContext context,
+            PrimitiveQueryKey<Collection<SelectionRequest>> key) {
+        updaters.put(context, new Pair<PrimitiveQueryKey<?>, PrimitiveQueryUpdater>(key, updater));
+        return makeFilterRequest(updater, context, filters.get(context));
+    }
+
+    // TODO: evaluate still if this is ok
+    private String adjustFilter(String filter) {
+        String[] tokens = filter.split(" ");
+//      System.out.println("FilterSelectionRequestQueryProcessor.adjustFilter=" + filter);
+        StringBuilder b = new StringBuilder();
+        boolean first = true;
+        for(String token : tokens) {
+//            System.out.println("FilterSelectionRequestQueryProcessor.token=" + token);
+            if(!token.startsWith("$")) {
+                if(first) first = false;
+                else b.append(" ");
+                b.append(token);
+            }
+        }
+
+        String result = b.toString();
+        if(result.isEmpty()) return "*";
+        else return result;
+    }
+
+    private Collection<SelectionRequest> makeFilterRequest(PrimitiveQueryUpdater updater, NodeContext context, final String filter_) {
+        if (filter_ == null || filter_.isEmpty())
+            return null;
+
+        final String filter = adjustFilter(filter_);
+        
+//        System.out.println("filter for reg exp = " + filter_ + " -> " + filter);
+        
+        final String regExFilter = filterStrategy.toPatternString(filter);
+        if (regExFilter == null)
+            return null;
+
+        final Pattern pattern = Pattern.compile(regExFilter);
+        final Matcher matcher = pattern.matcher("");
+
+        return Collections.singletonList((SelectionRequest) new SelectionRequest() {
+            @Override
+            public Request getRequest() {
+                return Request.FILTER;
+            }
+
+            @Override
+            public boolean isIncluded(NodeQueryManager manager, Object object) {
+                NodeContext context = (NodeContext)object;
+                Labeler labeler = manager.query(context, BuiltinKeys.SELECTED_LABELER);
+
+                if (labeler == null)
+                    return false;
+                Map<String, String> labels = labeler.getLabels();
+                if (labels.isEmpty())
+                    return false;
+
+                // TODO: only visible columns!
+                for(String s : labels.values()) {
+                    //System.out.println("matching " + s);
+                    if (s == null)
+                        continue;
+                    // TODO: remove forced lowercase and leave the case-insensitiveness up to the pattern
+                    matcher.reset(s.toLowerCase());
+                    if (matcher.matches()) {
+                        return false;
+                    }
+                }
+
+                return true;
+            }
+
+            @SuppressWarnings("unchecked")
+            @Override
+            public <T> T getData() {
+                return (T)filter_;
+            }
+
+        });
+    }
+
+    public String getFilter(NodeContext context) {
+        return filters.get(context);
+    }
+
+    /**
+     * @param context
+     * @param filter a regular expression adhering to {@link Pattern} or
+     *        <code>null</code> to disable filtering for the specified context
+     */
+    @SuppressWarnings("unchecked")
+    public void setFilter(NodeContext context, String filter) {
+        if (filter == null) {
+            filters.remove(context);
+        } else {
+            filters.put(context, filter);
+        }
+        Pair<PrimitiveQueryKey<?>, PrimitiveQueryUpdater> p = updaters.get(context);
+
+        // FIXME: this is not valid or anything, but prevents NPE crashboombangs for now.
+        if (p == null)
+            return;
+
+        if (p.second == null)
+            throw new IllegalArgumentException("context not found in cache");
+        p.second.scheduleReplace(context, (PrimitiveQueryKey<Collection<SelectionRequest>>) p.first, makeFilterRequest(p.second, context, filter));
+    }
+
+    @Override
+    public void attached(GraphExplorer explorer) {
+    }
+
+    @Override
+    public void detached(GraphExplorer explorer) {
+    }
+
+    @Override
+    public void clear() {
+        filters.clear();
+        updaters.clear();
+    }
+
+}