| /* |
| * Copyright 2007 Google Inc. |
| * |
| * 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. |
| */ |
| package com.google.gwt.user.client.ui; |
| |
| import com.google.gwt.dom.client.Document; |
| import com.google.gwt.dom.client.Element; |
| import com.google.gwt.dom.client.InputElement; |
| |
| /** |
| * A text box that visually masks its input to prevent eavesdropping. |
| * |
| * <p> |
| * <img class='gallery' src='doc-files/PasswordTextBox.png'/> |
| * </p> |
| * |
| * <h3>CSS Style Rules</h3> |
| * <ul class='css'> |
| * <li>.gwt-PasswordTextBox { primary style }</li> |
| * <li>.gwt-PasswordTextBox-readonly { dependent style set when the password |
| * text box is read-only }</li> |
| * </ul> |
| * |
| * <p> |
| * <h3>Example</h3> |
| * {@example com.google.gwt.examples.TextBoxExample} |
| * </p> |
| */ |
| public class PasswordTextBox extends TextBox { |
| |
| /** |
| * Creates a PasswordTextBox widget that wraps an existing <input |
| * type='password'> element. |
| * |
| * This element must already be attached to the document. If the element is |
| * removed from the document, you must call |
| * {@link RootPanel#detachNow(Widget)}. |
| * |
| * @param element the element to be wrapped |
| */ |
| public static PasswordTextBox wrap(Element element) { |
| // Assert that the element is attached. |
| assert Document.get().getBody().isOrHasChild(element); |
| |
| PasswordTextBox textBox = new PasswordTextBox(element); |
| |
| // Mark it attached and remember it for cleanup. |
| textBox.onAttach(); |
| RootPanel.detachOnWindowClose(textBox); |
| |
| return textBox; |
| } |
| |
| /** |
| * Creates an empty password text box. |
| */ |
| public PasswordTextBox() { |
| super(Document.get().createPasswordInputElement(), "gwt-PasswordTextBox"); |
| } |
| |
| /** |
| * This constructor may be used by subclasses to explicitly use an existing |
| * element. This element must be an <input> element whose type is |
| * 'password'. |
| * |
| * @param element the element to be used |
| */ |
| protected PasswordTextBox(Element element) { |
| super(element, null); |
| assert InputElement.as(element).getType().equalsIgnoreCase("password"); |
| } |
| } |