More progress.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3861 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/presents/dobj/ObjectAddedEvent.as

@@ -0,0 +1,83 @@
+package com.threerings.presents.dobj {
+
+import flash.util.StringBuilder;
+
+import com.threerings.io.ObjectInputStream;
+import com.threerings.io.ObjectOutputStream;
+
+/**
+ * An object added event is dispatched when an object is added to an
+ * <code>OidList</code> attribute of a distributed object. It can also be
+ * constructed to request the addition of an oid to an
+ * <code>OidList</code> attribute of an object and posted to the dobjmgr.
+ *
+ * @see DObjectManager#postEvent
+ */
+public class ObjectAddedEvent extends NamedEvent
+{
+    /**
+     * Constructs a new object added event on the specified target object
+     * with the supplied oid list attribute name and object id to add.
+     *
+     * @param targetOid the object id of the object to whose oid list we
+     * will add an oid.
+     * @param name the name of the attribute (data member) to which to add
+     * the specified oid.
+     * @param oid the oid to add to the oid list attribute.
+     */
+    public function ObjectAddedEvent (targetOid :int, name :String, oid :int)
+    {
+        super(targetOid, name);
+        _oid = oid;
+    }
+
+    /**
+     * Returns the oid that has been added.
+     */
+    public function getOid () :int
+    {
+        return _oid;
+    }
+
+    /**
+     * Applies this event to the object.
+     */
+    public override function applyToObject (target :DObject) :void
+        //throws ObjectAccessException
+    {
+        var list :OidList = target[_name];
+        list.add(_oid);
+        return true;
+    }
+
+    // documentation inherited
+    protected override function notifyListener (listener :*) :void
+    {
+        if (listener is OidListListener) {
+            listener.objectAdded(this);
+        }
+    }
+
+    public override function writeObject (out :ObjectOutputStream) :void
+    {
+        super.writeObject(out);
+        out.writeInt(_oid);
+    }
+
+    public override function readObject (ins :ObjectInputStream) :void
+    {
+        super.readObject(ins);
+        _oid = ins.readInt();
+    }
+
+    // documentation inherited
+    protected override function toString (buf :StringBuilder) :void
+    {
+        buf.append("OBJADD:");
+        super.toString(buf);
+        buf.append(", oid=", _oid);
+    }
+
+    protected var _oid :int;
+}
+}