Tom Conkling
7d603e2cda
git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@386 ed5b42cb-e716-0410-a449-f6a68f950b19
117 lines
3.2 KiB
ActionScript
117 lines
3.2 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.flash
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{
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import flash.display.SimpleButton;
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import flash.display.DisplayObject;
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/**
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* A SimpleButton subclass that includes a disabledState.
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* DisablingButtons don't dispatch mouse events when disabled.
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*/
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public class DisablingButton extends SimpleButton
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{
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public function DisablingButton (
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upState :DisplayObject = null,
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overState :DisplayObject = null,
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downState :DisplayObject = null,
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hitTestState :DisplayObject = null,
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disabledState :DisplayObject = null)
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{
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super(null, overState, downState, hitTestState);
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_disabledState = disabledState;
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_upState = upState;
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updateState();
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}
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/**
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* Returns the DisplayObject that will be displayed when the button is disabled.
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*/
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public function get disabledState () :DisplayObject
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{
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return _disabledState;
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}
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/**
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* Sets the DisplayObject that will be displayed when the button is disabled.
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*/
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public function set disabledState (newState :DisplayObject) :void
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{
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_disabledState = newState;
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updateState();
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}
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// from SimpleButton
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override public function set upState (newState :DisplayObject) :void
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{
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_upState = newState;
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updateState();
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}
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// from SimpleButton
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override public function get upState () :DisplayObject
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{
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return _upState;
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}
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// from SimpleButton
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override public function set enabled (val :Boolean) :void
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{
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super.enabled = val;
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updateState();
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}
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override public function get mouseEnabled () :Boolean
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{
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return _mouseEnabled;
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}
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override public function set mouseEnabled (enabled :Boolean) :void
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{
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_mouseEnabled = enabled;
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updateState();
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}
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protected function updateState () :void
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{
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super.upState = ((null != _disabledState && !super.enabled) ? _disabledState : _upState);
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// mouseEnabled is always false when the button is disabled
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super.mouseEnabled = super.enabled && _mouseEnabled;
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// force a visual update.
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super.enabled = !super.enabled;
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super.enabled = !super.enabled;
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}
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protected var _disabledState :DisplayObject;
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protected var _upState :DisplayObject;
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protected var _mouseEnabled :Boolean = true;
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}
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}
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