| /* |
| * 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.sample.mail.client; |
| |
| import com.google.gwt.event.dom.client.ClickEvent; |
| import com.google.gwt.event.dom.client.ClickHandler; |
| import com.google.gwt.event.dom.client.KeyCodes; |
| import com.google.gwt.user.client.ui.Button; |
| import com.google.gwt.user.client.ui.DialogBox; |
| import com.google.gwt.user.client.ui.HTML; |
| import com.google.gwt.user.client.ui.VerticalPanel; |
| |
| /** |
| * A simple example of an 'about' dialog box. |
| */ |
| public class AboutDialog extends DialogBox { |
| |
| public AboutDialog() { |
| // Use this opportunity to set the dialog's caption. |
| setText("About the Mail Sample"); |
| |
| // Create a VerticalPanel to contain the 'about' label and the 'OK' button. |
| VerticalPanel outer = new VerticalPanel(); |
| |
| // Create the 'about' text and set a style name so we can style it with CSS. |
| |
| HTML text = new HTML("This sample application demonstrates the " |
| + "construction of a complex user interface using GWT's built-in " |
| + "widgets. Have a look at the code to see how easy it is to build " |
| + "your own apps!"); |
| text.setStyleName("mail-AboutText"); |
| outer.add(text); |
| |
| // Create the 'OK' button, along with a handler that hides the dialog |
| // when the button is clicked. |
| outer.add(new Button("Close", new ClickHandler() { |
| public void onClick(ClickEvent event) { |
| hide(); |
| } |
| })); |
| |
| setWidget(outer); |
| } |
| |
| @Override |
| public boolean onKeyDownPreview(char key, int modifiers) { |
| // Use the popup's key preview hooks to close the dialog when either |
| // enter or escape is pressed. |
| switch (key) { |
| case KeyCodes.KEY_ENTER: |
| case KeyCodes.KEY_ESCAPE: |
| hide(); |
| break; |
| } |
| |
| return true; |
| } |
| } |