Java tutorial
/** * Copyright 2014 samkumar15@gmail.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.*/ package com.gwtdaily.interapp.eventbus.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.core.client.JsArrayInteger; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.RootPanel; import com.gwtdaily.interapp.eventbus.client.base.InterAppEventBus; import com.gwtdaily.interapp.eventbus.client.prototype.InterAppEventHandler; /** * @author Sam * */ public class ModuleAEntryPoint implements EntryPoint { /* * (non-Javadoc) * * @see com.google.gwt.core.client.EntryPoint#onModuleLoad() */ @Override public void onModuleLoad() { if (!InterAppEventBus.isSupported()) { Window.alert("Sorry, Custom event in this browser."); } Button button = new Button(); button.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { JsArrayInteger data = ((JsArrayInteger) JsArrayInteger.createArray(1)); data.push(1); data.push(2); InterAppEventBus.fireEvent("test1", data); } }); InterAppEventBus.addListener(new InterAppEventHandler() { @Override public void onEvent(JavaScriptObject data) { Window.alert(getType() + " event captured in parent module and data is " + data.toString()); } @Override public String getType() { return "test1"; } }); button.setText("Test"); RootPanel.get("module_A").add(button); } }