| /* |
| * Copyright 2008 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.showcase.client.content.widgets; |
| |
| import com.google.gwt.core.client.GWT; |
| import com.google.gwt.core.client.RunAsyncCallback; |
| import com.google.gwt.event.dom.client.ClickEvent; |
| import com.google.gwt.event.dom.client.ClickHandler; |
| import com.google.gwt.i18n.client.Constants; |
| import com.google.gwt.sample.showcase.client.ContentWidget; |
| import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseData; |
| import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseSource; |
| import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseStyle; |
| import com.google.gwt.user.client.Window; |
| import com.google.gwt.user.client.rpc.AsyncCallback; |
| import com.google.gwt.user.client.ui.Button; |
| import com.google.gwt.user.client.ui.HorizontalPanel; |
| import com.google.gwt.user.client.ui.Widget; |
| |
| /** |
| * Example file. |
| */ |
| @ShowcaseStyle(".gwt-Button") |
| public class CwBasicButton extends ContentWidget { |
| /** |
| * The constants used in this Content Widget. |
| */ |
| @ShowcaseSource |
| public static interface CwConstants extends Constants { |
| String cwBasicButtonClickMessage(); |
| |
| String cwBasicButtonDescription(); |
| |
| String cwBasicButtonDisabled(); |
| |
| String cwBasicButtonName(); |
| |
| String cwBasicButtonNormal(); |
| } |
| |
| /** |
| * An instance of the constants. |
| */ |
| @ShowcaseData |
| private final CwConstants constants; |
| |
| /** |
| * Constructor. |
| * |
| * @param constants the constants |
| */ |
| public CwBasicButton(CwConstants constants) { |
| super(constants.cwBasicButtonName(), constants.cwBasicButtonDescription(), |
| true); |
| this.constants = constants; |
| } |
| |
| /** |
| * Initialize this example. |
| */ |
| @ShowcaseSource |
| @Override |
| public Widget onInitialize() { |
| // Create a panel to align the widgets |
| HorizontalPanel hPanel = new HorizontalPanel(); |
| hPanel.setSpacing(10); |
| |
| // Add a normal button |
| Button normalButton = new Button( |
| constants.cwBasicButtonNormal(), new ClickHandler() { |
| public void onClick(ClickEvent event) { |
| Window.alert(constants.cwBasicButtonClickMessage()); |
| } |
| }); |
| normalButton.ensureDebugId("cwBasicButton-normal"); |
| hPanel.add(normalButton); |
| |
| // Add a disabled button |
| Button disabledButton = new Button(constants.cwBasicButtonDisabled()); |
| disabledButton.ensureDebugId("cwBasicButton-disabled"); |
| disabledButton.setEnabled(false); |
| hPanel.add(disabledButton); |
| |
| // Return the panel |
| return hPanel; |
| } |
| |
| @Override |
| protected void asyncOnInitialize(final AsyncCallback<Widget> callback) { |
| GWT.runAsync(CwBasicButton.class, new RunAsyncCallback() { |
| |
| public void onFailure(Throwable caught) { |
| callback.onFailure(caught); |
| } |
| |
| public void onSuccess() { |
| callback.onSuccess(onInitialize()); |
| } |
| }); |
| } |
| } |