aboutsummaryrefslogtreecommitdiffstats
path: root/uitest/src/com/vaadin/tests/minitutorials/v7a1/FindCurrentUI.java
blob: d277c4f09519e5ab13c5a96128407799b6c05d0a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
/* 
 * Copyright 2011 Vaadin Ltd.
 * 
 * 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.vaadin.tests.minitutorials.v7a1;

import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinSession;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Notification;
import com.vaadin.ui.UI;

/**
 * Mini tutorial code for
 * https://vaadin.com/wiki/-/wiki/Main/Finding%20the%20current
 * %20Root%20and%20Application
 * 
 * @author Vaadin Ltd
 * @since 7.0.0
 */
public class FindCurrentUI extends UI {

    @Override
    protected void init(VaadinRequest request) {
        Button helloButton = new Button("Say Hello");
        helloButton.addClickListener(new ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {
                String msg = "Running in ";
                msg += VaadinSession.getCurrent().getConfiguration()
                        .isProductionMode() ? "production" : "debug";
                Notification.show(msg);
            }
        });

        helloButton.addClickListener(new ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {
                Notification.show("This UI is "
                        + UI.getCurrent().getClass().getSimpleName());
            }
        });

        setContent(helloButton);
    }

}