| /* |
| * 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.other; |
| |
| 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.event.dom.client.KeyCodes; |
| import com.google.gwt.event.dom.client.KeyDownEvent; |
| import com.google.gwt.event.dom.client.KeyDownHandler; |
| 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.user.client.rpc.AsyncCallback; |
| import com.google.gwt.user.client.ui.Button; |
| import com.google.gwt.user.client.ui.Frame; |
| import com.google.gwt.user.client.ui.HorizontalPanel; |
| import com.google.gwt.user.client.ui.TextBox; |
| import com.google.gwt.user.client.ui.VerticalPanel; |
| import com.google.gwt.user.client.ui.Widget; |
| |
| /** |
| * Example file. |
| */ |
| public class CwFrame extends ContentWidget { |
| /** |
| * The constants used in this Content Widget. |
| */ |
| @ShowcaseSource |
| public static interface CwConstants extends Constants { |
| String cwFrameDescription(); |
| |
| String cwFrameName(); |
| |
| String cwFrameSetLocation(); |
| } |
| |
| /** |
| * An instance of the constants. |
| */ |
| @ShowcaseData |
| private final CwConstants constants; |
| |
| /** |
| * Constructor. |
| * |
| * @param constants the constants |
| */ |
| public CwFrame(CwConstants constants) { |
| super(constants.cwFrameName(), constants.cwFrameDescription(), false); |
| this.constants = constants; |
| } |
| |
| /** |
| * Initialize this example. |
| */ |
| @ShowcaseSource |
| @Override |
| public Widget onInitialize() { |
| // Create a new frame |
| String url = GWT.getModuleBaseURL(); |
| final Frame frame = new Frame(url); |
| frame.setSize("700px", "300px"); |
| frame.ensureDebugId("cwFrame"); |
| |
| // Create a form to set the location of the frame |
| final TextBox locationBox = new TextBox(); |
| locationBox.setText(url); |
| Button setLocationButton = new Button(constants.cwFrameSetLocation()); |
| HorizontalPanel optionsPanel = new HorizontalPanel(); |
| optionsPanel.setSpacing(8); |
| optionsPanel.add(locationBox); |
| optionsPanel.add(setLocationButton); |
| |
| // Change the location when the user clicks the button |
| setLocationButton.addClickHandler(new ClickHandler() { |
| public void onClick(ClickEvent event) { |
| frame.setUrl(locationBox.getText()); |
| } |
| }); |
| |
| // Change the location when the user presses enter |
| locationBox.addKeyDownHandler(new KeyDownHandler() { |
| public void onKeyDown(KeyDownEvent event) { |
| if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) { |
| frame.setUrl(locationBox.getText()); |
| } |
| } |
| |
| }); |
| |
| // Add everything to a panel and return it |
| VerticalPanel vPanel = new VerticalPanel(); |
| vPanel.add(optionsPanel); |
| vPanel.add(frame); |
| return vPanel; |
| } |
| |
| @Override |
| protected void asyncOnInitialize(final AsyncCallback<Widget> callback) { |
| GWT.runAsync(CwFrame.class, new RunAsyncCallback() { |
| |
| public void onFailure(Throwable caught) { |
| callback.onFailure(caught); |
| } |
| |
| public void onSuccess() { |
| callback.onSuccess(onInitialize()); |
| } |
| }); |
| } |
| } |