diff --git a/core/api/src/main/java/org/onosproject/ui/topo/PropertyPanel.java b/core/api/src/main/java/org/onosproject/ui/topo/PropertyPanel.java
index 33745c3..30b4ce7 100644
--- a/core/api/src/main/java/org/onosproject/ui/topo/PropertyPanel.java
+++ b/core/api/src/main/java/org/onosproject/ui/topo/PropertyPanel.java
@@ -17,8 +17,11 @@
 
 package org.onosproject.ui.topo;
 
+import com.google.common.collect.Sets;
+
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 /**
  * Models a panel displayed on the Topology View.
@@ -29,59 +32,176 @@
     private String typeId;
     private List<Prop> properties = new ArrayList<>();
 
-
+    /**
+     * Constructs a property panel model with the given title and
+     * type identifier (icon to display).
+     *
+     * @param title title text
+     * @param typeId type (icon) ID
+     */
     public PropertyPanel(String title, String typeId) {
         this.title = title;
         this.typeId = typeId;
     }
 
+    /**
+     * Adds a property to the panel.
+     *
+     * @param p the property
+     * @return self, for chaining
+     */
     public PropertyPanel add(Prop p) {
         properties.add(p);
         return this;
     }
 
+    /**
+     * Returns the title text.
+     *
+     * @return title text
+     */
     public String title() {
         return title;
     }
 
+    /**
+     * Returns the type identifier.
+     *
+     * @return type identifier
+     */
     public String typeId() {
         return typeId;
     }
 
+    /**
+     * Returns the list of properties to be displayed.
+     *
+     * @return the property list
+     */
     // TODO: consider protecting this?
     public List<Prop> properties() {
         return properties;
     }
 
+    // == MUTATORS
+
+    /**
+     * Sets the title text.
+     *
+     * @param title title text
+     * @return self, for chaining
+     */
     public PropertyPanel title(String title) {
         this.title = title;
         return this;
     }
 
-    // TODO: add other builder-like setters here
+    /**
+     * Sets the type identifier (icon ID).
+     *
+     * @param typeId type identifier
+     * @return self, for chaining
+     */
+    public PropertyPanel typeId(String typeId) {
+        this.typeId = typeId;
+        return this;
+    }
 
+    /**
+     * Removes properties with the given keys from the list.
+     *
+     * @param keys keys of properties to remove
+     * @return self, for chaining
+     */
+    public PropertyPanel removeProps(String... keys) {
+        Set<String> keysForRemoval = Sets.newHashSet(keys);
+        List<Prop> propsToKeep = new ArrayList<>();
+        for (Prop p: properties) {
+            if (!keysForRemoval.contains(p.key())) {
+                propsToKeep.add(p);
+            }
+        }
+        properties = propsToKeep;
+        return this;
+    }
+
+    /**
+     * Removes all currently defined properties.
+     *
+     * @return self, for chaining
+     */
+    public PropertyPanel removeAllProps() {
+        properties.clear();
+        return this;
+    }
 
     // ====================
 
+    /**
+     * Simple data carrier for a property, composed of a key/value pair.
+     */
     public static class Prop {
-        public final String key;
-        public final String value;
+        private final String key;
+        private final String value;
 
+        /**
+         * Constructs a property data value.
+         *
+         * @param key property key
+         * @param value property value
+         */
         public Prop(String key, String value) {
             this.key = key;
             this.value = value;
         }
 
+        /**
+         * Returns the property's key.
+         *
+         * @return the key
+         */
         public String key() {
             return key;
         }
 
+        /**
+         * Returns the property's value.
+         *
+         * @return the value
+         */
         public String value() {
             return value;
         }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) {
+                return true;
+            }
+            if (o == null || getClass() != o.getClass()) {
+                return false;
+            }
+
+            Prop prop = (Prop) o;
+            return key.equals(prop.key) && value.equals(prop.value);
+        }
+
+        @Override
+        public int hashCode() {
+            int result = key.hashCode();
+            result = 31 * result + value.hashCode();
+            return result;
+        }
+
+        @Override
+        public String toString() {
+            return "{" + key + " -> " + value + "}";
+        }
     }
 
-    // Auxiliary properties separator
+    /**
+     * Auxiliary class representing a separator property.
+     */
     public static class Separator extends Prop {
         public Separator() {
             super("-", "");
diff --git a/core/api/src/main/java/org/onosproject/ui/topo/TopoConstants.java b/core/api/src/main/java/org/onosproject/ui/topo/TopoConstants.java
new file mode 100644
index 0000000..ca3ce5f
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/ui/topo/TopoConstants.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package org.onosproject.ui.topo;
+
+/**
+ * Defines string constants used in the Topology View of the ONOS GUI.
+ * <p>
+ * See also:
+ * <ul>
+ *     <li> https://wiki.onosproject.org/display/ONOS/UI+Service+-+GlyphService </li>
+ * </ul>
+ */
+public final class TopoConstants {
+
+    /**
+     * Defines constants for standard glyph identifiers.
+     */
+    public static final class Glyphs {
+        public static final String UNKNOWN = "unknown";
+        public static final String BIRD = "bird";
+        public static final String NODE = "node";
+        public static final String SWITCH = "switch";
+        public static final String ROADM = "roadm";
+        public static final String ENDSTATION = "endstation";
+        public static final String ROUTER = "router";
+        public static final String BGP_SPEAKER = "bgpSpeaker";
+        public static final String CHAIN = "chain";
+        public static final String CROWN = "crown";
+        public static final String TOPO = "topo";
+        public static final String REFRESH = "refresh";
+        public static final String GARBAGE = "garbage";
+        public static final String FLOW_TABLE = "flowTable";
+        public static final String PORT_TABLE = "portTable";
+        public static final String GROUP_TABLE = "groupTable";
+        public static final String SUMMARY = "summary";
+        public static final String DETAILS = "details";
+        public static final String PORTS = "ports";
+        public static final String MAP = "map";
+        public static final String CYCLE_LABELS = "cycleLabels";
+        public static final String OBLIQUE = "oblique";
+        public static final String FILTERS = "filters";
+        public static final String RESET_ZOOM = "resetZoom";
+        public static final String RELATED_INTENTS = "relatedIntents";
+        public static final String NEXT_INTENT = "nextIntent";
+        public static final String PREV_INTENT = "prevIntent";
+        public static final String INTENT_TRAFFIC = "intentTraffic";
+        public static final String ALL_TRAFFIC = "allTraffic";
+        public static final String FLOWS = "flows";
+        public static final String EQ_MASTER = "eqMaster";
+        public static final String UI_ATTACHED = "uiAttached";
+        public static final String CHECK_MARK = "checkMark";
+        public static final String X_MARK = "xMark";
+        public static final String TRIANGLE_UP = "triangleUp";
+        public static final String TRIANGLE_DOWN = "triangleDown";
+        public static final String PLUS = "plus";
+        public static final String MINUS = "minus";
+        public static final String PLAY = "play";
+        public static final String STOP = "stop";
+        public static final String CLOUD = "cloud";
+    }
+}
diff --git a/core/api/src/test/java/org/onosproject/ui/topo/PropertyPanelTest.java b/core/api/src/test/java/org/onosproject/ui/topo/PropertyPanelTest.java
new file mode 100644
index 0000000..65bb167
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/ui/topo/PropertyPanelTest.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package org.onosproject.ui.topo;
+
+import org.junit.Test;
+import org.onosproject.ui.topo.PropertyPanel.Prop;
+
+import java.util.Iterator;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Unit tests for {@link PropertyPanel}.
+ */
+public class PropertyPanelTest {
+
+    private static final String TITLE_ORIG = "Original Title";
+    private static final String TYPE_ORIG = "Original type ID";
+    private static final String TITLE_NEW = "New Title";
+    private static final String TYPE_NEW = "New type";
+
+    private static final Prop PROP_A = new Prop("A", "Hay");
+    private static final Prop PROP_B = new Prop("B", "Bee");
+    private static final Prop PROP_C = new Prop("C", "Sea");
+    private static final Prop PROP_Z = new Prop("Z", "Zed");
+
+    private PropertyPanel pp;
+
+
+    @Test
+    public void basic() {
+        pp = new PropertyPanel(TITLE_ORIG, TYPE_ORIG);
+        assertEquals("wrong title", TITLE_ORIG, pp.title());
+        assertEquals("wrong type", TYPE_ORIG, pp.typeId());
+        assertEquals("unexpected props", 0, pp.properties().size());
+    }
+
+    @Test
+    public void changeTitle() {
+        basic();
+        pp.title(TITLE_NEW);
+        assertEquals("wrong title", TITLE_NEW, pp.title());
+    }
+
+    @Test
+    public void changeType() {
+        basic();
+        pp.typeId(TYPE_NEW);
+        assertEquals("wrong type", TYPE_NEW, pp.typeId());
+    }
+
+    private void validateProps(Prop... props) {
+        Iterator<Prop> iter = pp.properties().iterator();
+        for (Prop p: props) {
+            Prop ppProp = iter.next();
+            assertEquals("Bad prop sequence", p, ppProp);
+        }
+    }
+
+    @Test
+    public void props() {
+        basic();
+        pp.add(PROP_A).add(PROP_B).add(PROP_C);
+        assertEquals("bad props", 3, pp.properties().size());
+        validateProps(PROP_A, PROP_B, PROP_C);
+    }
+
+    @Test
+    public void removeAllProps() {
+        props();
+        assertEquals("wrong props", 3, pp.properties().size());
+        pp.removeAllProps();
+        assertEquals("unexpected props", 0, pp.properties().size());
+    }
+
+    @Test
+    public void adjustProps() {
+        props();
+        pp.removeProps("B", "A");
+        pp.add(PROP_Z);
+        validateProps(PROP_C, PROP_Z);
+    }
+}
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java b/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java
index 761c2a3..1b6f7f9 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/UiWebSocket.java
@@ -28,6 +28,7 @@
 import org.onosproject.ui.UiMessageHandlerFactory;
 import org.onosproject.ui.UiMessageHandler;
 import org.onosproject.ui.UiTopoOverlayFactory;
+import org.onosproject.ui.topo.TopoConstants;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -225,7 +226,8 @@
             ObjectNode instance = mapper.createObjectNode()
                     .put("id", node.id().toString())
                     .put("ip", node.ip().toString())
-                    .put("uiAttached", node.equals(service.getLocalNode()));
+                    .put(TopoConstants.Glyphs.UI_ATTACHED,
+                         node.equals(service.getLocalNode()));
             instances.add(instance);
         }
 
diff --git a/web/gui/src/main/webapp/app/view/topo/topoPanel.js b/web/gui/src/main/webapp/app/view/topo/topoPanel.js
index 87dd1bd..cac8736 100644
--- a/web/gui/src/main/webapp/app/view/topo/topoPanel.js
+++ b/web/gui/src/main/webapp/app/view/topo/topoPanel.js
@@ -203,10 +203,14 @@
                 .append('svg'),
             title = summary.appendHeader('h2'),
             table = summary.appendBody('table'),
-            tbody = table.append('tbody');
+            tbody = table.append('tbody'),
+            glyphId = data.type || 'node';
 
-        gs.addGlyph(svg, 'node', 40);
-        gs.addGlyph(svg, 'bird', 24, true, [8,12]);
+        gs.addGlyph(svg, glyphId, 40);
+
+        if (glyphId === 'node') {
+            gs.addGlyph(svg, 'bird', 24, true, [8,12]);
+        }
 
         title.text(data.title);
         listProps(tbody, data);