CheckboxGroup.java: Merged with Classpath.
* java/awt/CheckboxGroup.java: Merged with Classpath. * java/awt/Checkbox.java: Merged with Classpath. From-SVN: r48933
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Tom Tromey
Tom Tromey
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commit
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3 changed files with 497 additions and 215 deletions
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/* Copyright (C) 2000 Free Software Foundation
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/* CheckboxGroup.java -- A grouping class for checkboxes.
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Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
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This file is part of libgcj.
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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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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package java.awt;
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import java.io.Serializable;
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/** This class is used to groups checkbox components.
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* @author Tom Tromey <tromey@redhat.com>
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* @date December 25, 2000
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*/
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public class CheckboxGroup implements Serializable
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/**
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* This class if for combining checkboxes into groups so that only
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* one checkbox in the group can be selected at any one time.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @author Tom Tromey <tromey@redhat.com>
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*/
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public class CheckboxGroup implements java.io.Serializable
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{
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// Current set checkbox.
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Checkbox selectedCheckbox;
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/** Create a new instance of CheckboxGroup. */
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public CheckboxGroup ()
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{
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}
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/*
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* Static Variables
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*/
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/** Returns the currently selected checkbox in the group.
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* @deprecated
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*/
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public Checkbox getCurrent ()
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{
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return getSelectedCheckbox ();
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}
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// Serialization constant
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private static final long serialVersionUID = 3729780091441768983L;
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/** Returns the currently selected checkbox in the group. */
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public Checkbox getSelectedCheckbox ()
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{
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return selectedCheckbox;
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}
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/*************************************************************************/
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/** Set the selected checkbox.
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* @deprecated
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*/
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public synchronized void setCurrent (Checkbox checkbox)
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{
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setSelectedCheckbox (checkbox);
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}
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/*
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* Instance Variables
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*/
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/** Set the selected checkbox. */
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public synchronized void setSelectedCheckbox (Checkbox checkbox)
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{
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if (checkbox != null && checkbox.group != this)
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return;
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/**
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* @serial The currently selected checkbox.
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*/
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private Checkbox selectedCheckbox;
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selectedCheckbox.setState (false);
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selectedCheckbox = checkbox;
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if (checkbox != null)
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checkbox.setState (true);
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}
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/*************************************************************************/
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/** Return String representation of this class and current Checkbox. */
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public String toString ()
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{
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return "[CheckboxGroup: " + selectedCheckbox + "]";
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}
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/*
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* Constructors
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*/
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/**
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* Initializes a new instance of <code>CheckboxGroup</code>.
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*/
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public
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CheckboxGroup()
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{
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}
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/*************************************************************************/
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/*
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* Instance Methods
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*/
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/**
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* Returns the currently selected checkbox, or <code>null</code> if none
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* of the checkboxes in this group are selected.
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*
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* @return The selected checkbox.
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*/
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public Checkbox
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getSelectedCheckbox()
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{
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return(selectedCheckbox);
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}
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/*************************************************************************/
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/**
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* Returns the currently selected checkbox, or <code>null</code> if none
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* of the checkboxes in this group are selected.
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*
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* @return The selected checkbox.
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*
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* @deprecated This method is deprecated in favor of
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* <code>getSelectedCheckbox()</code>.
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*/
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public Checkbox
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getCurrent()
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{
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return(selectedCheckbox);
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}
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/*************************************************************************/
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/**
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* This method sets the specified checkbox to be the selected on in this
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* group, and unsets all others.
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*
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* @param selectedCheckbox The new selected checkbox.
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*/
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public void
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setSelectedCheckbox(Checkbox selectedCheckbox)
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{
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if (this.selectedCheckbox != null)
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{
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if (this.selectedCheckbox.getCheckboxGroup() != this)
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return;
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this.selectedCheckbox.setState(false);
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}
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this.selectedCheckbox = selectedCheckbox;
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if (selectedCheckbox != null)
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selectedCheckbox.setState(true);
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}
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/*************************************************************************/
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/**
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* This method sets the specified checkbox to be the selected on in this
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* group, and unsets all others.
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*
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* @param selectedCheckbox The new selected checkbox.
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*
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* @deprecated This method is deprecated in favor of
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* <code>setSelectedCheckbox()</code>.
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*/
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public void
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setCurrent(Checkbox selectedCheckbox)
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{
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setSelectedCheckbox(selectedCheckbox);
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}
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/*************************************************************************/
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/**
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* Returns a string representation of this checkbox group.
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*
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* @return A string representation of this checkbox group.
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*/
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public String
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toString()
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{
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return(getClass().getName() + "[selectedCheckbox=" + selectedCheckbox + "]");
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}
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} // class CheckboxGroup
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