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-/* JCheckBoxMenuItem.java --
- Copyright (C) 2002, 2004 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package javax.swing;
-
-import java.io.IOException;
-import java.io.ObjectOutputStream;
-
-import javax.accessibility.Accessible;
-import javax.accessibility.AccessibleContext;
-import javax.accessibility.AccessibleRole;
-
-/**
- * This class represents JCheckBoxMenuItem. Its behaviour is very similar
- * to JCheckBoxButton. Just like the JCheckBoxButton, user can check and
- * uncheck this menu item by clicking on it. Also setSelected()/setState()
- * can be use used for the same purpose. JCheckBoxMenuItem uses
- * ToggleButtonModel to keep track of its selection.
- */
-public class JCheckBoxMenuItem extends JMenuItem implements SwingConstants,
- Accessible
-{
- private static final long serialVersionUID = -6676402307973384715L;
-
- /** name for the UI delegate for this menuItem. */
- private static final String uiClassID = "CheckBoxMenuItemUI";
-
- /** Indicates whether this menu item is checked. */
- private boolean state;
-
- /**
- * This array contains text of this menu item if this menu item is in
- * checked state and null it is not.
- */
- private Object[] selectedObjects = new Object[1];
-
- /**
- * Creates a new JCheckBoxMenuItem object.
- */
- public JCheckBoxMenuItem()
- {
- this(null, null);
- }
-
- /**
- * Creates a new JCheckBoxMenuItem with given icon
- *
- * @param icon Icon for this menu item
- */
- public JCheckBoxMenuItem(Icon icon)
- {
- this(null, icon);
- }
-
- /**
- * Creates a new JCheckBoxMenuItem with given label
- *
- * @param text Label for this menu item
- */
- public JCheckBoxMenuItem(String text)
- {
- this(text, null);
- }
-
- /**
- * Creates a new JCheckBoxMenuItem using given action
- *
- * @param action Action for this menu item.
- */
- public JCheckBoxMenuItem(Action action)
- {
- this();
- setAction(action);
- }
-
- /**
- * Creates a new JCheckBoxMenuItem object with given label and icon
- *
- * @param text Label for this menu item
- * @param icon Icon for this menu item
- */
- public JCheckBoxMenuItem(String text, Icon icon)
- {
- this(text, icon, false);
- }
-
- /**
- * Creates a new JCheckBoxMenuItem object using specified label and
- * marked as checked if given 'state' is true
- *
- * @param text Label for this menu item
- * @param state True if this item should be in checked state and false otherwise
- */
- public JCheckBoxMenuItem(String text, boolean state)
- {
- this(text, null, state);
- }
-
- /**
- * Creates a new JCheckBoxMenuItem object with given label, icon,
- * and marked as checked if given 'state' is true
- *
- * @param text Label for this menu item
- * @param icon icon for this menu item
- * @param state True if this item should be in checked state and false otherwise
- */
- public JCheckBoxMenuItem(String text, Icon icon, boolean state)
- {
- super(text, icon);
- setModel(new JToggleButton.ToggleButtonModel());
- this.state = state;
- }
-
- private void writeObject(ObjectOutputStream stream) throws IOException
- {
- }
-
- /**
- * This method returns a name to identify which look and feel class will be
- * the UI delegate for the menuItem.
- *
- * @return The Look and Feel classID. "JCheckBoxMenuItemUI"
- */
- public String getUIClassID()
- {
- return uiClassID;
- }
-
- /**
- * Returns checked state for this check box menu item.
- *
- * @return Returns true if this menu item is in checked state
- * and false otherwise.
- */
- public boolean getState()
- {
- return state;
- }
-
- /**
- * Sets state for this check box menu item. If
- * given 'state' is true, then mark menu item as checked,
- * and uncheck this menu item otherwise.
- *
- * @param state new state for this menu item
- *
- */
- public synchronized void setState(boolean state)
- {
- this.state = state;
- }
-
- /**
- * This method returns array containing label of this
- * menu item if it is selected and null otherwise.
- *
- * @return Array containing label of this
- * menu item if this menu item is selected or null otherwise.
- */
- public Object[] getSelectedObjects()
- {
- if (state == true)
- selectedObjects[0] = this.getText();
- else
- selectedObjects[0] = null;
-
- return selectedObjects;
- }
-
- /**
- * This method overrides JComponent.requestFocus with an empty
- * implementation, since JCheckBoxMenuItems should not
- * receve focus in general.
- */
- public void requestFocus()
- {
- // Should do nothing here
- }
-
- /**
- * A string that describes this JCheckBoxMenuItem. Normally only used
- * for debugging.
- *
- * @return A string describing this JCheckBoxMenuItem
- */
- protected String paramString()
- {
- return "JCheckBoxMenuItem";
- }
-
- public AccessibleContext getAccessibleContext()
- {
- if (accessibleContext == null)
- accessibleContext = new AccessibleJCheckBoxMenuItem();
-
- return accessibleContext;
- }
-
- protected class AccessibleJCheckBoxMenuItem extends AccessibleJMenuItem
- {
- private static final long serialVersionUID = 1079958073579370777L;
-
- /**
- * Creates a new AccessibleJCheckBoxMenuItem object.
- */
- protected AccessibleJCheckBoxMenuItem()
- {
- }
-
- public AccessibleRole getAccessibleRole()
- {
- return AccessibleRole.CHECK_BOX;
- }
- }
-}