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Java Source | 1996-05-03 | 2.2 KB | 77 lines |
- /*
- * @(#)CheckboxMenuItem.java 1.8 95/09/08 Sami Shaio
- *
- * Copyright (c) 1995 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this software
- * and its documentation for NON-COMMERCIAL purposes and without
- * fee is hereby granted provided that this copyright notice
- * appears in all copies. Please refer to the file "copyright.html"
- * for further important copyright and licensing information.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
- * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
- * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
- */
- package java.awt;
-
- import java.awt.peer.CheckboxMenuItemPeer;
-
- /**
- * This class produces a checkbox that represents a choice in a menu.
- *
- * @version 1.8, 08 Sep 1995
- * @author Sami Shaio
- */
- public class CheckboxMenuItem extends MenuItem {
- boolean state = false;
-
- /**
- * Creates the checkbox item with the specified label.
- * @param label the button label
- */
- public CheckboxMenuItem(String label) {
- super(label);
- }
-
- /**
- * Creates the peer of the checkbox item. This peer allows us to
- * change the look of the checkbox item without changing its
- * functionality.
- */
- public synchronized void addNotify() {
- peer = Toolkit.getDefaultToolkit().createCheckboxMenuItem(this);
- super.addNotify();
- }
-
- /**
- * Returns the state of this MenuItem. This method is only valid for a
- * Checkbox.
- */
- public boolean getState() {
- return state;
- }
-
- /**
- * Sets the state of this MenuItem if it is a Checkbox.
- * @param t the specified state of the checkbox
- */
- public void setState(boolean t) {
- state = t;
- CheckboxMenuItemPeer peer = (CheckboxMenuItemPeer)this.peer;
- if (peer != null) {
- peer.setState(t);
- }
- }
-
- /**
- * Returns the parameter String of this button.
- */
- public String paramString() {
- return super.paramString() + ",state=" + state;
- }
- }
-