/************************************************************************** * Copyright (c) 2001, 2002, 2003 by Punch Telematix. All rights reserved. * * * * Redistribution and use in source and binary forms, with or without * * modification, are permitted provided that the following conditions * * are met: * * 1. Redistributions of source code must retain the above copyright * * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * * notice, this list of conditions and the following disclaimer in the * * documentation and/or other materials provided with the distribution. * * 3. Neither the name of Punch Telematix nor the names of * * other contributors may be used to endorse or promote products * * derived from this software without specific prior written permission.* * * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * * IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE * * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * **************************************************************************/ package java.awt; import java.awt.peer.*; public class CheckboxGroup implements java.io.Serializable { private static final long serialVersionUID = 3729780091441768983L; Checkbox selectedCheckbox = null; public CheckboxGroup() { } public synchronized void setSelectedCheckbox(Checkbox checkbox) { boolean success = true; if (selectedCheckbox != null) { if (selectedCheckbox.group == this) { selectedCheckbox.state = false; ((CheckboxPeer)selectedCheckbox.getPeer()).setState(false); } else { success = false; } } if (success == true) { checkbox.state = true; ((CheckboxPeer)checkbox.getPeer()).setState(true); selectedCheckbox = checkbox; } } public Checkbox getSelectedCheckbox() { return selectedCheckbox; } public synchronized void setCurrent(Checkbox checkbox) { setSelectedCheckbox(checkbox); } public Checkbox getCurrent() { return selectedCheckbox; } /** * Diagnostics */ public String toString() { return getClass().getName(); } public String paramString() { return getClass().getName() + "selected box:" + selectedCheckbox; } }