1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.log4j.chainsaw;
19
20 import javax.swing.*;
21 import java.awt.*;
22 import java.lang.reflect.InvocationTargetException;
23
24 /**
25 * A simple ProgressPanel that can be used, a little more flexible
26 * than ProgressMonitor when you want it to be shown REGARDLESS
27 * of any timeouts etc.
28 *
29 * @author Paul Smith <psmith@apache.org>
30 */
31 public class ProgressPanel extends JPanel {
32 private final JLabel messageLabel = new JLabel();
33 private final JProgressBar progressBar;
34
35 ProgressPanel(int min, int max, String msg) {
36 this.progressBar = new JProgressBar(min, max);
37 setBorder(BorderFactory.createLineBorder(Color.black, 1));
38 messageLabel.setHorizontalAlignment(SwingConstants.CENTER);
39 messageLabel.setText(msg);
40 setLayout(new BorderLayout());
41
42 add(progressBar, BorderLayout.CENTER);
43 add(messageLabel, BorderLayout.SOUTH);
44 }
45
46 public void setMessage(final String string) {
47 SwingUtilities.invokeLater(
48 () -> messageLabel.setText(string));
49 }
50
51 public void setProgress(final int progress) {
52 try {
53 Runnable runnable = () -> progressBar.setValue(progress);
54 if (!SwingUtilities.isEventDispatchThread()) {
55 SwingUtilities.invokeAndWait(runnable);
56 } else {
57 runnable.run();
58 }
59 } catch (InterruptedException | InvocationTargetException e) {
60 // TODO Auto-generated catch block
61 e.printStackTrace();
62 }
63 }
64 }