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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 <code>true</code> if this item should be in checked state and
+ * <code>false</code> 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 <code>true</code> 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;
+ }
+ }
+}