diff --git a/src/as/com/threerings/flex/DSetList.as b/src/as/com/threerings/flex/DSetList.as
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+++ b/src/as/com/threerings/flex/DSetList.as
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+//
+// $Id$
+
+package com.threerings.flex {
+
+import mx.core.IFactory;
+import mx.core.ScrollPolicy;
+
+import mx.collections.ArrayCollection;
+import mx.collections.Sort;
+
+import mx.controls.List;
+
+import com.threerings.util.Util;
+
+import com.threerings.presents.dobj.AttributeChangedEvent;
+import com.threerings.presents.dobj.AttributeChangeAdapter;
+import com.threerings.presents.dobj.DObject;
+import com.threerings.presents.dobj.DSet;
+import com.threerings.presents.dobj.DSet_Entry;
+import com.threerings.presents.dobj.EntryAddedEvent;
+import com.threerings.presents.dobj.EntryUpdatedEvent;
+import com.threerings.presents.dobj.EntryRemovedEvent;
+import com.threerings.presents.dobj.SetAdapter;
+
+/**
+ * A list that renders the contents of a DSet.
+ */
+public class DSetList extends List
+{
+    public function DSetList (
+        renderer :IFactory, sortFn :Function = null, filterFn :Function = null)
+    {
+        horizontalScrollPolicy = ScrollPolicy.OFF;
+        verticalScrollPolicy = ScrollPolicy.ON;
+        selectable = false;
+
+        itemRenderer = renderer;
+
+        _data = new ArrayCollection();
+        var sort :Sort = new Sort();
+        sort.compareFunction = sortFn;
+        _data.sort = sort;
+        _data.filterFunction = filterFn;
+        _data.refresh();
+        dataProvider = _data;
+    }
+
+    /**
+     * Set the aata to be displayed by this List, if not being attached to a DObject.
+     */
+    public function setData (array :Array /* of DSet_Entry */) :void
+    {
+        _data.source = (array == null) ? [] : array;
+        refresh();
+    }
+
+    /**
+     * Refresh the data, which can be called if something external has changed
+     * the sort order or the rendering.
+     */
+    public function refresh () :void
+    {
+        _data.refresh();
+    }
+
+    /**
+     * Initialize listening on the specified object.
+     *
+     * @param object the DObject on which to listen.
+     * @param field the name of the DSet field that we're displaying.
+     * @param refreshFields additional fields that cause refresh() to be called should
+     *        AttributeChangedEvents arrive on them.
+     */
+    public function init (object :DObject, field :String, ... refreshFields) :void
+    {
+        shutdown();
+
+        _object = object;
+        _field = field;
+        _refreshFields = refreshFields;
+        _attrListener = new AttributeChangeAdapter(attrChanged);
+        _setListener = new SetAdapter(entryAdded, entryUpdated, entryRemoved);
+        _object.addListener(_attrListener);
+        _object.addListener(_setListener);
+
+        setEntries(_object[_field] as DSet);
+    }
+
+    /**
+     * Shut down listening.
+     */
+    public function shutdown () :void
+    {
+        if (_attrListener != null) {
+            _object.removeListener(_attrListener);
+            _object.removeListener(_setListener);
+            _attrListener = null;
+            _setListener = null;
+            _object = null;
+            _field = null;
+            _refreshFields = null;
+            setData(null);
+        }
+    }
+
+    /**
+     * Safely set the entries, even if null.
+     */
+    protected function setEntries (entries :DSet) :void
+    {
+        setData((entries == null) ? null : entries.toArray());
+    }
+
+    /**
+     * Handle a change to the entire set.
+     */
+    protected function attrChanged (event :AttributeChangedEvent) :void
+    {
+        var name :String = event.getName();
+        if (name == _field) {
+            setEntries(event.getValue() as DSet);
+
+        } else if (_refreshFields.indexOf(name) != -1) {
+            refresh();
+        }
+    }
+
+    /**
+     * Handle an addition to the set.
+     */
+    protected function entryAdded (event :EntryAddedEvent) :void
+    {
+        if (event.getName() == _field) {
+            _data.list.addItem(event.getEntry());
+            refresh();
+        }
+    }
+
+    /**
+     * Handle an update to the set.
+     */
+    protected function entryUpdated (event :EntryUpdatedEvent) :void
+    {
+        if (event.getName() == _field) {
+            var entry :DSet_Entry = event.getEntry();
+            var idx :int = findKeyIndex(entry.getKey());
+            if (idx == -1) {
+                throw new Error();
+            }
+            _data.list.setItemAt(entry, idx);
+            refresh();
+        }
+    }
+
+    /**
+     * Handle a removal from the set.
+     */
+    protected function entryRemoved (event :EntryRemovedEvent) :void
+    {
+        if (event.getName() == _field) {
+            var idx :int = findKeyIndex(event.getKey());
+            if (idx != -1) {
+                _data.list.removeItemAt(idx);
+                refresh();
+            }
+        }
+    }
+
+    /**
+     * Find the index of the specified entry key from the raw list.
+     */
+    protected function findKeyIndex (key :Object) :int
+    {
+        for (var ii :int = 0; ii < _data.list.length; ii++) {
+            if (Util.equals(key, DSet_Entry(_data.list.getItemAt(ii)).getKey())) {
+                return ii;
+            }
+        }
+        return -1;
+    }
+
+    /** The collection for the List, This is the filtered/sorted view. For the
+     * the raw list, we access _data.list. */
+    protected var _data :ArrayCollection;
+
+    /** The object on which we're listening. */
+    protected var _object :DObject;
+
+    /** The fieldname of the DSet in the _object. */
+    protected var _field :String;
+
+    /** Fields on which to watch for updates and call refresh(). */
+    protected var _refreshFields :Array;
+
+    /** Our listeners, so that we don't junk-up our public interface. */
+    protected var _attrListener :AttributeChangeAdapter;
+    protected var _setListener :SetAdapter;
+}
+}