Java JCheckBox exclusive(final JCheckBox first, final boolean firstState, final JCheckBox second, final boolean secondState)

Description

Declares states for two checkboxes to be mutually exclusive.

License

Apache License

Parameter

Parameter	Description
first	the first checkbox
firstState	the state of the first checkbox
second	the second checkbox
secondState	the state of the second checkbox

Declaration

public static void exclusive(final JCheckBox first,
        final boolean firstState, final JCheckBox second,
        final boolean secondState) 

Method Source Code

//package com.java2s;
/*//from   w ww.ja  v  a 2  s .c  om
 * Copyright 2000-2012 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import javax.swing.*;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class Main {
    /**
     * Declares states for two checkboxes to be mutually exclusive. When one of the checkboxes goes to the specified state, other is
     * disabled and forced into reverse of the state (to prevent very fast users from selecting incorrect state or incorrect
     * initial configuration).
     *
     * @param first       the first checkbox
     * @param firstState  the state of the first checkbox
     * @param second      the second checkbox
     * @param secondState the state of the second checkbox
     */
    public static void exclusive(final JCheckBox first,
            final boolean firstState, final JCheckBox second,
            final boolean secondState) {
        ActionListener l = new ActionListener() {
            /**
             * One way check for the condition
             * @param checked the first to check
             * @param checkedState the state to match
             * @param changed the changed control
             * @param impliedState the implied state
             */
            private void check(final JCheckBox checked,
                    final boolean checkedState, final JCheckBox changed,
                    final boolean impliedState) {
                if (checked.isSelected() == checkedState) {
                    changed.setSelected(impliedState);
                    changed.setEnabled(false);
                } else {
                    changed.setEnabled(true);
                }
            }

            /**
             * {@inheritDoc}
             */
            public void actionPerformed(ActionEvent e) {
                check(first, firstState, second, !secondState);
                check(second, secondState, first, !firstState);
            }
        };
        first.addActionListener(l);
        second.addActionListener(l);
        l.actionPerformed(null);
    }
}

Related

1. convertToYesNo(JCheckBox checkBox)
2. createCheckBox(final String title, final Preferences node, final String pref_name, final boolean default_val)
3. createCheckBox(String name, String command, boolean selected)
4. createCheckBox(String s, boolean b)
5. createJCheckBox(Rectangle bounds)
6. imply(final JCheckBox checked, final boolean checkedState, final JCheckBox changed, final boolean impliedState)
7. initJCheckBox(JCheckBox box, String element)
8. isCheckBoxModified(JCheckBox checkBox, boolean originalValue)
9. link(final JCheckBox box, final JComponent... comps)