XYAreaChartDemo3.java

/* ---------------------
* XYAreaChartDemo3.java
* ---------------------
* (C) Copyright 2005, by Object Refinery Limited.
*
* Changes
* -------
* 22-Dec-2005 : Version 1 (DG);
*
*
* Found on:
* http://www.jfree.org/phpBB2/viewtopic.php?f=10&t=15596
*/
package org.novelang.nhovestone.report;

import java.awt.Color;
import java.awt.GradientPaint;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import javax.swing.JPanel;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.time.Day;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * A simple demonstration application showing how to create an area chart with
 * a date axis for the domain values.
 *
 * @see EnhancedXYAreaRenderer
 */
public class XYAreaChartDemo3 extends ApplicationFrame {

  /**
   * Creates a new demo.
   *
   * @param title the frame title.
   */
  public XYAreaChartDemo3( final String title ) {
    super( title );
    final JPanel chartPanel = createDemoPanel();
    chartPanel.setPreferredSize( new java.awt.Dimension( 500, 270 ) );
    setContentPane( chartPanel );
  }

  private static XYDataset createDataset() {
    final TimeSeries series1 = new TimeSeries( "Random 1" );
    double value = 0.0;
    Day day = new Day();
    for( int i = 0 ; i < 50 ; i++ ) {
      value = value + Math.random() - 0.5;
      series1.add( day, value );
      day = ( Day ) day.next();
    }
    final TimeSeriesCollection dataset = new TimeSeriesCollection( series1 );
    return dataset;
  }

  /**
   * Creates a chart.
   *
   * @param dataset the dataset.
   * @return The chart.
   */
  private static JFreeChart createChart( final XYDataset dataset ) {
    final JFreeChart chart = ChartFactory.createXYAreaChart(
        "XY Area Chart Demo 3",
        "Time", "Value",
        dataset,
        PlotOrientation.VERTICAL,
        false,  // legend
        false,  // tool tips
        false  // URLs
    );
    final XYPlot plot = ( XYPlot ) chart.getPlot();
    final EnhancedXYAreaRenderer renderer = new EnhancedXYAreaRenderer();
    plot.setRenderer( 0, renderer );
    renderer.setSeriesFillPaint( 0, new GradientPaint( 0f, 0f, Color.green, 0f, 0f, Color.blue ) );
    renderer.setOutline( true );
    renderer.setSeriesOutlinePaint( 0, Color.black );
    final ValueAxis domainAxis = new DateAxis( "Time" );
    domainAxis.setLowerMargin( 0.0 );
    domainAxis.setUpperMargin( 0.0 );
    plot.setDomainAxis( domainAxis );
    plot.setForegroundAlpha( 0.5f );

    renderer.setToolTipGenerator( new StandardXYToolTipGenerator(
        StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
        new SimpleDateFormat( "d-MMM-yyyy" ),
        new DecimalFormat( "#,##0.00" ) ) );
    return chart;
  }

  /**
   * Creates a panel for the demo.
   *
   * @return A panel.
   */
  public static JPanel createDemoPanel() {
    return new ChartPanel( createChart( createDataset() ) );
  }

  /**
   * Starting point for the demonstration application.
   *
   * @param args ignored.
   */
  public static void main( final String[] args ) {
    final XYAreaChartDemo3 demo = new XYAreaChartDemo3( "XY Area Chart Demo 3" );
    demo.pack();
    RefineryUtilities.centerFrameOnScreen( demo );
    demo.setVisible( true );
  }

}