Bruno Garcia
dc48461f10
git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@737 ed5b42cb-e716-0410-a449-f6a68f950b19
79 lines
2.5 KiB
ActionScript
79 lines
2.5 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.events.Event;
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import mx.controls.ComboBox;
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import mx.events.ListEvent;
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import com.threerings.util.CommandEvent;
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/**
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* A combo box that dispatches a command (or calls a function) when it is toggled. NOTE: Unlike the
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* other Command* controls, CommandComboBox does not guarantee that the CommandEvent is dispatched
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* after notifying all other listeners.
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*/
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public class CommandComboBox extends ComboBox
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{
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/**
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* Create a command combobox. The 'data' attribute of the selectedItem object is used as
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* an argument of the command or function.
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*
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* @param cmdOrFn either a String, which will be the CommandEvent command to dispatch,
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* or a function, which will be called when changed.
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*/
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public function CommandComboBox (cmdOrFn :* = null)
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{
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CommandButton.validateCmd(cmdOrFn);
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_cmdOrFn = cmdOrFn;
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addEventListener(ListEvent.CHANGE, handleChange);
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}
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/**
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* Set the command and argument to be issued when this button is pressed.
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*/
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public function setCommand (cmd :String) :void
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{
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_cmdOrFn = cmd;
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}
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/**
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* Set a callback function to call when the button is pressed.
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*/
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public function setCallback (fn :Function) :void
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{
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_cmdOrFn = fn;
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}
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protected function handleChange (event :ListEvent) :void
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{
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CommandEvent.dispatch(this, _cmdOrFn, this.selectedItem.data);
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}
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/** The command (String) to submit, or the function (Function) to call
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* when changed, */
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protected var _cmdOrFn :Object;
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}
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}
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