Application: gvSIG desktop

/*

 * Created on 20-feb-2006

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

 *

 * $Id: Crono.java 10626 2007-03-06 16:55:54Z caballero $

 * $Log$

 * Revision 1.2  2007-03-06 16:47:58  caballero

 * Exceptions

 *

 * Revision 1.1  2006/05/24 21:12:36  azabala

 * primera version en cvs despues de refactoring orientado a crear un framework extensible de geoprocessing

 *

 * Revision 1.1  2006/02/20 19:43:27  azabala

 * *** empty log message ***

 *

 *

 */

package com.iver.cit.gvsig.geoprocess.core.util;

import java.awt.BasicStroke;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.geom.Line2D;

import javax.swing.JComponent;

import javax.swing.Timer;

/**

 * Component to see time (used to monitoring long processes).

 * 

 * @author azabala

 * 

 */

public class Crono extends JComponent implements ActionListener {

        /**

         * 

         */

        private static final long serialVersionUID = -7534000624022602134L;

        private final int ox = 4;

        private final int oy = 4;

        private int tam;

        private long start;

        private long end;

        private boolean counting;

        private Timer timer;

        /**

         * @roseuid 3CA83ED3006E

         */

        public Crono() {

                this(50);

        }

        /**

         * @roseuid 3CA83ED3006F

         */

        public Crono(int tam) {

                this.tam = tam;

                start = end = System.currentTimeMillis();

                timer = new Timer(1000, this);

                setPreferredSize(new Dimension(tam + 8, tam + 30));

                counting = false;

        }

        /**

         * @roseuid 3CA83ED3007E

         */

        public void actionPerformed(ActionEvent e) {

                end = System.currentTimeMillis();

                repaint();

        }

        /**

         * @roseuid 3CA83ED30080

         */

        private float posx(int radio, int grados) {

                return (float) (radio * Math.cos(Math.toRadians(grados - 90)));

        }

        /**

         * @roseuid 3CA83ED3008D

         */

        private float posy(int radio, int grados) {

                return (float) (radio * Math.sin(Math.toRadians(grados - 90)));

        }

        /**

         * @roseuid 3CA83ED30090

         */

        public void paintComponent(Graphics gr) {

                this.paintBorder(gr);

                Graphics2D g = (Graphics2D) gr;

                if (counting)

                        g.setColor(Color.red);

                else

                        g.setColor(Color.green);

                g.setStroke(new BasicStroke(3));

                g.fillArc(ox, oy, tam, tam, 0, 360);

                g.setColor(getForeground());

                g.drawArc(ox, oy, tam, tam, 0, 360);

                int radio = tam / 2;

                int cx = radio + ox;

                int cy = radio + oy;

                for (int i = 0; i < 360; i += 30) {

                        float x0 = cx + posx(radio, i);

                        float y0 = cy + posy(radio, i);

                        float x1 = cx + posx(radio - 5, i);

                        float y1 = cy + posy(radio - 5, i);

                        g.draw(new Line2D.Double(x0, y0, x1, y1));

                }

                long v = end - start;

                long m = v / 1000;

                long mili = v - m * 1000;

                long s = m / 60;

                long secs = m - s * 60;

                long mi = s / 60;

                long mins = s - mi * 60;

                float mx = cx + posx(radio - 10, (int) secs * 6);

                float my = cy + posy(radio - 10, (int) secs * 6);

                g.draw(new Line2D.Float(cx, cy, mx, my));

                mx = cx + posx(radio - 20, (int) mins * 6);

                my = cy + posy(radio - 20, (int) mins * 6);

                g.draw(new Line2D.Float(cx, cy, mx, my));

                String str = mins + " mins " + secs + " secs";

                g.drawString(str, 0, tam + 20);

        }

        /**

         * Para el reloj y vuelve a la situacion inicial.

         * 

         * @roseuid 3CA83ED3009C

         */

        public void reset() {

                timer.stop();

                counting = false;

                start = end = System.currentTimeMillis();

                repaint();

        }

        /**

         * Comienza a contar.

         * 

         * @roseuid 3CA83ED3009D

         */

        public void start() {

                timer.start();

                counting = true;

                start = System.currentTimeMillis();

        }

        /**

         * Para de contar

         * 

         * @roseuid 3CA83ED3009E

         */

        public void stop() {

                end = System.currentTimeMillis();

                timer.stop();

                counting = false;

                repaint();

        }

        /**

         * retorna el tiempo transcurrido en mili-segundos.

         * 

         * @roseuid 3CA83ED3009F

         */

        public long getElapsed() {

                if (counting)

                        return System.currentTimeMillis() - start;

                else

                        return (end - start);

        }

}