/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.log4j.chainsaw;

import javax.swing.*;
import java.awt.*;
import java.lang.reflect.InvocationTargetException;

/**
 * A simple ProgressPanel that can be used, a little more flexible
 * than ProgressMonitor when you want it to be shown REGARDLESS
 * of any timeouts etc.
 *
 * @author Paul Smith &lt;psmith@apache.org&gt;
 */
public class ProgressPanel extends JPanel {
    private final JLabel messageLabel = new JLabel();
    private final JProgressBar progressBar;

    ProgressPanel(int min, int max, String msg) {
        this.progressBar = new JProgressBar(min, max);
        setBorder(BorderFactory.createLineBorder(Color.black, 1));
        messageLabel.setHorizontalAlignment(SwingConstants.CENTER);
        messageLabel.setText(msg);
        setLayout(new BorderLayout());

        add(progressBar, BorderLayout.CENTER);
        add(messageLabel, BorderLayout.SOUTH);
    }

    public void setMessage(final String string) {
        SwingUtilities.invokeLater(
            () -> messageLabel.setText(string));
    }

    public void setProgress(final int progress) {
        try {
            Runnable runnable = () -> progressBar.setValue(progress);
            if (!SwingUtilities.isEventDispatchThread()) {
                SwingUtilities.invokeAndWait(runnable);
            } else {
                runnable.run();
            }
        } catch (InterruptedException | InvocationTargetException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}