Michael Bayne
b6f5317ad2
git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@158 ed5b42cb-e716-0410-a449-f6a68f950b19
59 lines
1.8 KiB
ActionScript
59 lines
1.8 KiB
ActionScript
//
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// $Id$
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//
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// Nenya library - tools for developing networked games
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// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/nenya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.flex {
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import flash.display.DisplayObjectContainer;
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import mx.core.ContainerCreationPolicy;
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import mx.core.UIComponent;
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import mx.containers.VBox;
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public class LazyContainer extends VBox
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{
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/**
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* Create a lazy container that will not create its children
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* until needed.
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*
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* @param creation a function that takes no args and returns
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* a UIComponent to be added to the container.
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*/
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public function LazyContainer (creation :Function)
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{
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_creation = creation;
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creationPolicy = ContainerCreationPolicy.NONE;
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}
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override public function createComponentsFromDescriptors (
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recurse :Boolean = true) :void
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{
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super.createComponentsFromDescriptors(recurse);
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if (_creation != null) {
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addChild(_creation() as UIComponent);
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_creation = null; // assist gc
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}
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}
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protected var _creation :Function;
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}
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}
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