1 pjaol 1.2 /*******************************************************************************
 2            * Copyright (c) 2005, 2007 IBM Corporation and others.
 3            * All rights reserved. This program and the accompanying materials
 4            * are made available under the terms of the Eclipse Public License v1.0
 5            * which accompanies this distribution, and is available at
 6            * http://www.eclipse.org/legal/epl-v10.html
 7            *
 8            * Contributors:
 9            *     IBM Corporation - initial API and implementation
10            *******************************************************************************/

11 pjaol 1.1 package com.pjaol.client;
12           
13           import com.google.gwt.core.client.EntryPoint;
14           import com.google.gwt.core.client.GWT;
15           import com.google.gwt.user.client.rpc.AsyncCallback;
16           import com.google.gwt.user.client.rpc.ServiceDefTarget;
17           import com.google.gwt.user.client.ui.Button;
18           import com.google.gwt.user.client.ui.ClickListener;
19           import com.google.gwt.user.client.ui.Label;
20           import com.google.gwt.user.client.ui.RootPanel;
21           import com.google.gwt.user.client.ui.Widget;
22           
23           /**
24            * Entry point classes define <code>onModuleLoad()</code>.
25            */
26           public class test implements EntryPoint {
27           
28             /**
29              * This is the entry point method.
30              */
31             public void onModuleLoad() {
32 pjaol 1.1     final Button button = new Button("Click me");
33               final Label label = new Label();
34               
35               button.addClickListener(new ClickListener() {
36                 public void onClick(Widget sender) {
37                   if (label.getText().equals(""))
38                     //label.setText("Hello World!");
39                   	getMyId("fish food", label);
40                   else
41                     label.setText("");
42                 }
43               });
44           
45               // Assume that the host HTML has elements defined whose
46               // IDs are "slot1", "slot2".  In a real app, you probably would not want
47               // to hard-code IDs.  Instead, you could, for example, search for all 
48               // elements with a particular CSS class and replace them with widgets.
49               //
50               RootPanel.get("slot1").add(button);
51               RootPanel.get("slot2").add(label);
52             }
53 pjaol 1.1   
54             
55             public void getMyId (String s , final Label label) {
56           	  
57           	TestGWTAsync service = (TestGWTAsync) GWT.create(TestGWT.class);
58           	ServiceDefTarget endPoint = (ServiceDefTarget)service;
59           	String moduleRelativeURL = GWT.getModuleBaseURL() + "/testGWT";
60           	endPoint.setServiceEntryPoint(moduleRelativeURL);
61           
62           
63           	AsyncCallback callback = new AsyncCallback() {
64           	    public void onSuccess(Object result) {
65           	      label.setText((String) result);
66           	    }
67           
68           	    public void onFailure(Throwable caught) {
69           	      label.setText("nope :-(");
70           	    }
71           	  };
72           	  service.getReturnId("fish food", callback);
73             }
74 pjaol 1.1 }