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• DisplayProgress.java

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edu.uvm.ccts.common.ui.DisplayProgress Maven / Gradle / Ivy

/*
 * Copyright 2015 The University of Vermont and State
 * Agricultural College.  All rights reserved.
 *
 * Written by Matthew B. Storer 
 *
 * This file is part of CCTS Common.
 *
 * CCTS Common is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * CCTS Common is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with CCTS Common.  If not, see .
 */

/*
 * Created by JFormDesigner on Tue Oct 14 14:18:20 EDT 2014
 */

package edu.uvm.ccts.common.ui;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;

/**
 * @author Matthew Storer
 */
public class DisplayProgress extends JDialog {
    private static final Log log = LogFactory.getLog(DisplayProgress.class);

    private boolean running = false;
    private boolean stopRequested = false;
    private String stopMessage = null;

    private List statusQueue = new ArrayList();
    private Thread statusMonitor;

    public DisplayProgress(String title, String desc, int size) {
        super((Frame) null);
        initComponents();

        setTitle(title);
        lblDesc.setText("" + desc + "");
        progressBar.setMinimum(0);
        progressBar.setMaximum(size);
        progressBar.setValue(0);
        lblMessage.setText("Preparing");

        statusMonitor = new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    running = true;

                    while (true) {
                        Thread.sleep(500);

                        if (stopRequested) {
                            progressBar.setValue(progressBar.getMaximum());
                            if (stopMessage != null) setMessage(stopMessage);

                            repaint();

                            break;

                        } else if (statusQueue.size() > 0) {
                            if (progressBar.getValue() < progressBar.getMaximum()) {
                                progressBar.setValue(progressBar.getValue() + 1);
                            }
                            setMessage(statusQueue.remove(0));

                            repaint();
                        }
                    }

                } catch (Exception e) {
                    log.error("caught " + e.getClass().getName() + " - " + e.getMessage(), e);
                }

                startCloseTimer();
            }
        });
    }

    public void start() {
        if (running) throw new RuntimeException("DisplayProgress has already been started.");
        statusMonitor.start();
        setVisible(true);
    }

    public void advance(String message) {
        statusQueue.add(message);
    }

    public void stop(String message) {
        stopMessage = message;
        stop();
    }

    public void stop() {
        stopRequested = true;
    }

    public boolean isRunning() {
        return running;
    }

    public boolean isStopped() {
        return ! running;
    }

    public int getProgressBarMin() {
        return progressBar.getMinimum();
    }

    public int getProgressBarMax() {
        return progressBar.getMaximum();
    }

    public int getProgressBarValue() {
        return progressBar.getValue();
    }


///////////////////////////////////////////////////////////////////////////////////////////////

    private void setMessage(String message) {
        lblMessage.setText("" + message + "");
    }

    private void startCloseTimer() {
        final Component comp = this;
        Timer t = new Timer(1000, new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                comp.setVisible(false);
                running = false;
            }
        });
        t.setRepeats(false);
        t.start();
    }

    private void initComponents() {
        // JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
        // Generated using JFormDesigner non-commercial license
        contentPanel = new JPanel();
        lblDesc = new JLabel();
        progressBar = new JProgressBar();
        lblMessage = new JLabel();

        //======== this ========
        setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
        setTitle("