Java tutorial
/* * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javafx.scene.control; import javafx.scene.AccessibleAttribute; import javafx.scene.AccessibleRole; /** * Text field that masks entered characters. * @since JavaFX 2.0 */ public class PasswordField extends TextField { /** * Creates a default PasswordField instance. */ public PasswordField() { getStyleClass().add("password-field"); setAccessibleRole(AccessibleRole.PASSWORD_FIELD); } /*************************************************************************** * * * Methods * * * **************************************************************************/ /** * Does nothing for PasswordField. */ @Override public void cut() { // No-op } /** * Does nothing for PasswordField. */ @Override public void copy() { // No-op } /*************************************************************************** * * * Accessibility handling * * * **************************************************************************/ /** {@inheritDoc} */ @Override public Object queryAccessibleAttribute(AccessibleAttribute attribute, Object... parameters) { switch (attribute) { case TEXT: return null; default: return super.queryAccessibleAttribute(attribute, parameters); } } }