JFreeChart: Gantt Demo 2 with multiple bars per task : Gantt Chart « Chart « Java

Home
Java
1.2D Graphics GUI
2.3D
3.Advanced Graphics
4.Ant
5.Apache Common
6.Chart
7.Class
8.Collections Data Structure
9.Data Type
10.Database SQL JDBC
11.Design Pattern
12.Development Class
13.EJB3
14.Email
15.Event
16.File Input Output
17.Game
18.Generics
19.GWT
20.Hibernate
21.I18N
22.J2EE
23.J2ME
24.JDK 6
25.JNDI LDAP
26.JPA
27.JSP
28.JSTL
29.Language Basics
30.Network Protocol
31.PDF RTF
32.Reflection
33.Regular Expressions
34.Scripting
35.Security
36.Servlets
37.Spring
38.Swing Components
39.Swing JFC
40.SWT JFace Eclipse
41.Threads
42.Tiny Application
43.Velocity
44.Web Services SOA
45.XML
Java » Chart » Gantt ChartScreenshots 
JFreeChart: Gantt Demo 2 with multiple bars per task
JFreeChart: Gantt Demo 2 with multiple bars per
 task

/* ===========================================================
 * 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.]
 *
 * ---------------
 * GanttDemo2.java
 * ---------------
 * (C) Copyright 2003, 2004, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: GanttDemo2.java,v 1.12 2004/04/26 19:11:54 taqua Exp $
 *
 * Changes
 * -------
 * 10-Jan-2003 : Version 1 (based on GanttDemo1) (DG);
 * 16-Sep-2003 : Transferred dataset creation from DemoDatasetFactory to this class (DG);
 *
 */

package org.jfree.chart.demo;

import java.awt.Color;
import java.util.Calendar;
import java.util.Date;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
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.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * A simple demonstration application showing how to create a Gantt chart with multiple bars per
 * task. 
 *
 */
public class GanttDemo2 extends ApplicationFrame {

    /**
     * Creates a new demo.
     *
     @param title  the frame title.
     */
    public GanttDemo2(final String title) {

        super(title);

        final IntervalCategoryDataset dataset = createSampleDataset();

        // create the chart...
        final JFreeChart chart = ChartFactory.createGanttChart(
            "Gantt Chart Demo",  // chart title
            "Task",              // domain axis label
            "Date",              // range axis label
            dataset,             // data
            true,                // include legend
            true,                // tooltips
            false                // urls
        );
        final CategoryPlot plot = (CategoryPlotchart.getPlot();
  //      plot.getDomainAxis().setMaxCategoryLabelWidthRatio(10.0f);
        final CategoryItemRenderer renderer = plot.getRenderer();
        renderer.setSeriesPaint(0, Color.blue);

        // add the chart to a panel...
        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(500270));
        setContentPane(chartPanel);

    }

    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.com/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************
    
    /**
     * Creates a sample dataset for a Gantt chart, using sub-tasks.  In general, you won't 
     * hard-code the dataset in this way - it's done here so that the demo is self-contained.
     *
     @return The dataset.
     */
    private IntervalCategoryDataset createSampleDataset() {

        final TaskSeries s1 = new TaskSeries("Scheduled");
        
        final Task t1 = new Task(
            "Write Proposal", date(1, Calendar.APRIL, 2001), date(5, Calendar.APRIL, 2001)
        );
        t1.setPercentComplete(1.00);
        s1.add(t1);
        
        final Task t2 = new Task(
            "Obtain Approval", date(9, Calendar.APRIL, 2001), date(9, Calendar.APRIL, 2001)
        );
        t2.setPercentComplete(1.00);
        s1.add(t2);

        // here is a task split into two subtasks...
        final Task t3 = new Task(
            "Requirements Analysis"
            date(10, Calendar.APRIL, 2001), date(5, Calendar.MAY, 2001)
        );
        final Task st31 = new Task(
            "Requirements 1"
            date(10, Calendar.APRIL, 2001), date(25, Calendar.APRIL, 2001)
        );
        st31.setPercentComplete(1.0);
        final Task st32 = new Task(
            "Requirements 2"
            date(1, Calendar.MAY, 2001), date(5, Calendar.MAY, 2001)
        );
        st32.setPercentComplete(1.0);
        t3.addSubtask(st31);
        t3.addSubtask(st32);
        s1.add(t3);

        // and another...
        final Task t4 = new Task(
            "Design Phase"
            date(6, Calendar.MAY, 2001), date(30, Calendar.MAY, 2001)
        );
        final Task st41 = new Task(
             "Design 1"
             date(6, Calendar.MAY, 2001), date(10, Calendar.MAY, 2001)
        );
        st41.setPercentComplete(1.0);
        final Task st42 = new Task(
            "Design 2"
            date(15, Calendar.MAY, 2001), date(20, Calendar.MAY, 2001)
        );
        st42.setPercentComplete(1.0);
        final Task st43 = new Task(
            "Design 3"
            date(23, Calendar.MAY, 2001), date(30, Calendar.MAY, 2001)
        );
        st43.setPercentComplete(0.50);
        t4.addSubtask(st41);
        t4.addSubtask(st42);
        t4.addSubtask(st43);
        s1.add(t4);

        final Task t5 = new Task(
            "Design Signoff", date(2, Calendar.JUNE, 2001), date(2, Calendar.JUNE, 2001)
        )
        s1.add(t5);
                        
        final Task t6 = new Task(
            "Alpha Implementation", date(3, Calendar.JUNE, 2001), date(31, Calendar.JULY, 2001)
        );
        t6.setPercentComplete(0.60);
        
        s1.add(t6);
        
        final Task t7 = new Task(
            "Design Review", date(1, Calendar.AUGUST, 2001), date(8, Calendar.AUGUST, 2001)
        );
        t7.setPercentComplete(0.0);
        s1.add(t7);
        
        final Task t8 = new Task(
            "Revised Design Signoff"
            date(10, Calendar.AUGUST, 2001), date(10, Calendar.AUGUST, 2001)
        );
        t8.setPercentComplete(0.0);
        s1.add(t8);
        
        final Task t9 = new Task(
            "Beta Implementation"
            date(12, Calendar.AUGUST, 2001), date(12, Calendar.SEPTEMBER, 2001)
        );
        t9.setPercentComplete(0.0);
        s1.add(t9);
        
        final Task t10 = new Task(
            "Testing", date(13, Calendar.SEPTEMBER, 2001), date(31, Calendar.OCTOBER, 2001)
        );
        t10.setPercentComplete(0.0);
        s1.add(t10);
        
        final Task t11 = new Task(
            "Final Implementation"
            date(1, Calendar.NOVEMBER, 2001), date(15, Calendar.NOVEMBER, 2001)
        );
        t11.setPercentComplete(0.0);
        s1.add(t11);
        
        final Task t12 = new Task(
            "Signoff", date(28, Calendar.NOVEMBER, 2001), date(30, Calendar.NOVEMBER, 2001)
        );
        t12.setPercentComplete(0.0);
        s1.add(t12);

        final TaskSeriesCollection collection = new TaskSeriesCollection();
        collection.add(s1);

        return collection;
    }

    /**
     * Utility method for creating <code>Date</code> objects.
     *
     @param day  the date.
     @param month  the month.
     @param year  the year.
     *
     @return a date.
     */
    private static Date date(final int day, final int month, final int year) {

        final Calendar calendar = Calendar.getInstance();
        calendar.set(year, month, day);
        final Date result = calendar.getTime();
        return result;

    }

    /**
     * Starting point for the demonstration application.
     *
     @param args  ignored.
     */
    public static void main(final String[] args) {

        final GanttDemo2 demo = new GanttDemo2("Gantt Chart Demo 2");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}


           
       
jfreechart-1.0.0-rc1.zip( 3,559 k)
Related examples in the same category
1.JFreeChart: Gantt Demo 1JFreeChart: Gantt Demo 1
2.JFreeChart: Gantt Chart SampleJFreeChart: Gantt Chart Sample
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.