progresswindow.java

一个用于排队系统仿真的开源软件,有非常形象的图象仿真过程!

/**
 * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

 * This program 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 2 of the License, or
 * (at your option) any later version.

 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package jmt.gui.exact.panels;

import jmt.gui.exact.link.SolverClient;
import jmt.gui.exact.ExactModel;
import jmt.gui.common.resources.ImageLoader;
import jmt.gui.common.CommonConstants;
import jmt.gui.common.startScreen.sampleAnimation.SampleQNAnimation;
import jmt.gui.common.panels.parametric.PAProgressWindow;

import javax.swing.*;
import javax.swing.border.EmptyBorder;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.text.DecimalFormat;

/**
 * <p>Title: Progress Window</p>
 * <p>Description: This window is displayed during analytical solution process.</p>
 *
 * @author Bertoli Marco
 *         Date: 23-mag-2006
 *         Time: 14.35.14
 */
public class ProgressWindow extends JDialog {
    private SolverClient solver;
    private JProgressBar progressBar;
    private JLabel mainLabel, elapsedTimeLabel, stepLabel;
    private SampleQNAnimation animation;
    private int iterations;
    private Timer timer;

    /**
     * Creates a new ProgressWindow given a solver client and an exactmodel
     * @param solver reference to solverclient
     * @param model reference to current model
     * @param owner of this dialog
     */
    public ProgressWindow(SolverClient solver, ExactModel model, Frame owner) {
        super(owner, true);
        this.solver = solver;
        if (model.isWhatIf())
            iterations = model.getWhatIfValues().length;
        else
            iterations = 1;
        initGUI();
        timer = new Timer();
        timer.start();
    }

    /**
     * Initialize all graphical components
     */
    private void initGUI() {
        if (iterations > 1)
            this.setTitle("What-if analysis progress");
        else
            this.setTitle("Solving current model");

        this.setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
        int width = 500, height=390;

        // Centers this dialog on the screen
        Dimension scrDim = Toolkit.getDefaultToolkit().getScreenSize();
        this.setBounds((scrDim.width-width)/2,(scrDim.height-height)/2,width,height);

        // Creates bottom toolbar
        JToolBar toolbar = new JToolBar();
        toolbar.setFloatable(false);
        toolbar.setRollover(true);
        final JButton stop = new JButton();
        toolbar.add(stop);

        stop.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                kill();
            }
        });
        stop.setText("");
        stop.setIcon(ImageLoader.loadImage("Stop"));
        stop.setFocusPainted(false);
        stop.setContentAreaFilled(false);
        stop.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
        stop.setRolloverIcon(ImageLoader.loadImage("StopRO"));
        stop.setPressedIcon(ImageLoader.loadImage("StopP"));
        stop.setVisible(true);
        if (iterations == 1)
            stop.setEnabled(false);

        // Adds a progress bar
        progressBar = new JProgressBar();
        progressBar.setStringPainted(true);
        progressBar.setForeground(Color.BLUE);
        toolbar.add(progressBar);

        // Adds toolbar
        this.getContentPane().add(toolbar, BorderLayout.SOUTH);

        //Creates and adds the animation panel
        animation = new SampleQNAnimation();
        animation.start();
        JPanel pivotPanel = new JPanel (new GridBagLayout());
        animation.setPreferredSize(new Dimension(200,120));
        animation.setBackground(new Color(151,151,151));
        pivotPanel.add(animation);

        //Creates and adds the description label
        JPanel mainLabelPanel = new JPanel();
        if (iterations > 1)
            mainLabel = new JLabel(CommonConstants.HTML_START + CommonConstants.HTML_FONT_TITLE +
                    PAProgressWindow.RUNNING_MESSAGE + CommonConstants.HTML_FONT_TIT_END +
                    CommonConstants.HTML_END);
        else
            mainLabel = new JLabel(CommonConstants.HTML_START + CommonConstants.HTML_FONT_TITLE +
                    "JMVA is solving current model, please wait..." + CommonConstants.HTML_FONT_TIT_END +
                    CommonConstants.HTML_END);
        mainLabelPanel.add(mainLabel);

        elapsedTimeLabel = new JLabel("Elapsed time: " + "00m : 00s");
        JPanel elapsedTimeLabelPanel = new JPanel();
        elapsedTimeLabelPanel.add(elapsedTimeLabel);
        JPanel tempPanel = new JPanel(new BorderLayout());
        tempPanel.add(elapsedTimeLabel,BorderLayout.NORTH);
        JPanel timeLabelPanel = new JPanel();
        timeLabelPanel.add(tempPanel);
        timeLabelPanel.setBorder(new EmptyBorder(10,0,0,0));
        JPanel stepLabelPanel = new JPanel();
        if (iterations > 1)
            stepLabel = new JLabel ("Solving model "+"1 of " + iterations);
        else
            stepLabel = new JLabel ("");

        stepLabelPanel.add(stepLabel);
        JPanel lowerLabelPanel = new JPanel(new BorderLayout());
        lowerLabelPanel.add(timeLabelPanel,BorderLayout.CENTER);
        lowerLabelPanel.add(stepLabelPanel,BorderLayout.SOUTH);
        mainLabelPanel.setBorder(new EmptyBorder(20,20,10,20));
        stepLabelPanel.setBorder(new EmptyBorder(20,20,20,20));
        JPanel upperPanel = new JPanel(new BorderLayout());
        upperPanel.add(mainLabelPanel,BorderLayout.CENTER);
        JPanel globalPanel = new JPanel(new BorderLayout());
        globalPanel.add(upperPanel,BorderLayout.NORTH);
        globalPanel.add(pivotPanel,BorderLayout.CENTER);
        globalPanel.add(lowerLabelPanel,BorderLayout.SOUTH);
        this.getContentPane().add(globalPanel,BorderLayout.CENTER);
    }



    /**
     * This method must be called each time an analysis terminates
     * @param num number of terminated analysis
     */
    public void terminateAnalysis(int num) {
        if (iterations > 1)
            stepLabel.setText("Solving model "+(num+1) + " of " + iterations);
        progressBar.setValue(num * 100/iterations);
        if (num >= iterations - 1) {
            progressBar.setValue(100);
            timer.kill();
            animation.stop();
            dispose();
        }
    }

    /**
     * Kills this window and aborts computations
     */
    public void kill() {
        solver.stop();
        timer.kill();
        animation.stop();
        dispose();
    }

    /**
     * This class will simply adjust elapsed time until killed
     */
    private class Timer extends Thread {
        private boolean killed = false;
        private DecimalFormat formatter = new DecimalFormat("#00");
        public void run() {
            long initialTime = System.currentTimeMillis();
            synchronized(this) {
                while (!killed) {
                    try {
                        long elapsedTime = System.currentTimeMillis() - initialTime;
                        elapsedTimeLabel.setText("Elapsed time: " + formatter.format(elapsedTime /60000) +
                                "m : "+ formatter.format(((elapsedTime /1000)%60)) + "s");
                        this.wait(1000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
                    }}
            }
        }

        public synchronized void kill() {
            killed = true;
            this.notifyAll();
        }
    }
}