Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library is free software; you can redistribute it and/or modify it under the terms * of the GNU Lesser General Public License as published by the Free Software Foundation; * either version 2.1 of the License, or (at your option) any later version. * * This library 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along with this * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * --------------- * GanttDemo1.java * --------------- * (C) Copyright 2002-2004, by Object Refinery Limited. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: GanttDemo1.java,v 1.12 2004/04/26 19:11:54 taqua Exp $ * * Changes * ------- * 06-Jun-2002 : Version 1 (DG); * 10-Oct-2002 : Modified to use DemoDatasetFactory (DG); * 10-Jan-2003 : Renamed GanttDemo --> GanttDemo1 (DG); * 16-Oct-2003 : Shifted dataset from DemoDatasetFactory to this class (DG); * */ package Negocio.Produccion.Planificacion; import Negocio.Produccion.DetallePlanProduccion; import Negocio.Produccion.PlanProduccion; import java.util.Calendar; import java.util.Date; //importante!!!!!!!!!!! importen JFreeChart y JCommon import javax.swing.JDialog; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.data.category.IntervalCategoryDataset; import org.jfree.data.gantt.Task; import org.jfree.data.gantt.TaskSeries; import org.jfree.data.gantt.TaskSeriesCollection; import org.jfree.data.time.SimpleTimePeriod; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /** * A simple demonstration application showing how to create a Gantt chart. * <P> * This demo is intended to show the conceptual approach rather than being a polished * implementation. * * */ public class GanttManager { /** * Creates a new demo. * * @param title the frame title. */ public static IntervalCategoryDataset createDataset(PlanProduccion plan) { final TaskSeries s1 = new TaskSeries("Planificado"); final TaskSeries s2 = new TaskSeries("Real"); for (DetallePlanProduccion dpp : plan.getDetallePlan()) { Date d1 = dpp.getFecHoraPrevistaInicio(); Date d2 = dpp.getFecHoraPrevistaFin(); String nombre = dpp.getEtapaProduccionEspecifica().getEtapaProduccion().getNombre(); //nombre += "\nOperario: " + dpp.getEmpleado().getApellidoNombre(); Task t = new Task(nombre, new SimpleTimePeriod(d1, d2)); s1.add(t); if (dpp.getFecHoraRealInicio() != null || dpp.getFecHoraRealFin() != null) { d1 = dpp.getFecHoraRealInicio(); d2 = dpp.getFecHoraRealFin(); nombre = dpp.getEtapaProduccionEspecifica().getEtapaProduccion().getNombre(); t = new Task(nombre, new SimpleTimePeriod(d1, d2)); s2.add(t); } } final TaskSeriesCollection collection = new TaskSeriesCollection(); collection.add(s1); collection.add(s2); return collection; } /** * Creates a chart. * * @param dataset the dataset. * * @return The chart. */ private static JFreeChart createChart(final IntervalCategoryDataset dataset) { final JFreeChart chart = ChartFactory.createGanttChart("", // chart title "Task", // domain axis label "Date", // range axis label dataset, // data true, // include legend true, // tooltips false // urls ); // chart.getCategoryPlot().getDomainAxis().setMaxCategoryLabelWidthRatio(10.0f); return chart; } /** * Starting point for the demonstration application. * * @param args ignored. */ public static ChartPanel getPnlGantt(PlanProduccion plan) { final IntervalCategoryDataset dataset = createDataset(plan); final JFreeChart chart = createChart(dataset); // add the chart to a panel... final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); return chartPanel; } public static ChartFrame getFrameGantt(String titulo, PlanProduccion plan, JDialog parent) { ChartFrame af = new ChartFrame(parent); final IntervalCategoryDataset dataset = createDataset(plan); final JFreeChart chart = createChart(dataset); // add the chart to a panel... final ChartPanel chartPanel = new ChartPanel(chart); af.setTitle(titulo); af.setContentPane(chartPanel); af.pack(); RefineryUtilities.centerFrameOnScreen(af); return af; } }