85 lines
2.8 KiB
Java
85 lines
2.8 KiB
Java
/* ItemSelectable.java -- Items that can be selected
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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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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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt;
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import java.awt.event.ItemListener;
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/**
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* This interface is for objects that can have one or more items
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* selected. For example, radio buttons.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public interface ItemSelectable
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{
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/**
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* Returns the list of objects that are selected in this component.
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*
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* @return The list of objects that are selected, or <code>null</code> if
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* no objects are selected.
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*/
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public abstract Object[]
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getSelectedObjects();
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/*************************************************************************/
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/**
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* Adds an item listener to this object. It will receive
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* selection events for this object.
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*
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* @param listener The item listener to add.
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*/
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public abstract void
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addItemListener(ItemListener listener);
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/*************************************************************************/
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/**
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* Removes an item listener from this object. It will no longer receive
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* selection change events.
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*
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* @param listener The item listener to remove.
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*/
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public abstract void
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removeItemListener(ItemListener listener);
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} // interface ItemSelectable
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