Java tutorial
package com.microdg.gwt.monitor.client.control; import java.awt.Dialog; import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.DialogBox; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.VerticalPanel; /** * <pre> Copyright 2013 Ansel Robateau http://www.robaone.com 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.</pre> * @author Ansel * */ public class ApplicationGeneralErrorHandler implements ApplicationEventHandler<String> { @Override public void handle(String message) { final DialogBox dialog = new DialogBox(); dialog.setText("Application Error"); VerticalPanel vp = new VerticalPanel(); vp.setWidth("100%"); vp.add(new Label(message)); Button b = new Button("OK"); vp.add(b); b.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { dialog.hide(); } }); dialog.setGlassEnabled(true); dialog.getElement().setAttribute("style", "background-color:white"); dialog.setAnimationEnabled(true); dialog.setWidget(vp); dialog.center(); } @Override public void handleJs(JavaScriptObject message) { // TODO Auto-generated method stub } }