?? stackedbarchartdemo2.java
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/* -------------------------
* StackedBarChartDemo2.java
* -------------------------
* (C) Copyright 2002-2005, by Object Refinery Limited.
*
*/
package demo;
import javax.swing.JPanel;
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.plot.PlotOrientation;
import org.jfree.chart.renderer.category.StackedBarRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
/**
* A simple demonstration application showing how to create a stacked bar chart
* using data from a {@link CategoryDataset}. This demo also has item labels
* displayed.
*/
public class StackedBarChartDemo2 extends ApplicationFrame {
/**
* Creates a new demo.
*
* @param title the frame title.
*/
public StackedBarChartDemo2(String title) {
super(title);
JPanel chartPanel = createDemoPanel();
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
/**
* Creates a sample dataset.
*
* @return a sample dataset.
*/
private static CategoryDataset createDataset() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(10.0, "Series 1", "Category 1");
dataset.addValue(4.0, "Series 1", "Category 2");
dataset.addValue(15.0, "Series 1", "Category 3");
dataset.addValue(14.0, "Series 1", "Category 4");
dataset.addValue(-5.0, "Series 2", "Category 1");
dataset.addValue(-7.0, "Series 2", "Category 2");
dataset.addValue(14.0, "Series 2", "Category 3");
dataset.addValue(-3.0, "Series 2", "Category 4");
dataset.addValue(6.0, "Series 3", "Category 1");
dataset.addValue(17.0, "Series 3", "Category 2");
dataset.addValue(-12.0, "Series 3", "Category 3");
dataset.addValue(7.0, "Series 3", "Category 4");
dataset.addValue(7.0, "Series 4", "Category 1");
dataset.addValue(15.0, "Series 4", "Category 2");
dataset.addValue(11.0, "Series 4", "Category 3");
dataset.addValue(0.0, "Series 4", "Category 4");
dataset.addValue(-8.0, "Series 5", "Category 1");
dataset.addValue(-6.0, "Series 5", "Category 2");
dataset.addValue(10.0, "Series 5", "Category 3");
dataset.addValue(-9.0, "Series 5", "Category 4");
dataset.addValue(9.0, "Series 6", "Category 1");
dataset.addValue(-8.0, "Series 6", "Category 2");
dataset.addValue(0.0, "Series 6", "Category 3");
dataset.addValue(6.0, "Series 6", "Category 4");
return dataset;
}
/**
* Creates a sample chart.
*
* @param dataset the dataset.
*
* @return a sample chart.
*/
private static JFreeChart createChart(CategoryDataset dataset) {
JFreeChart chart = ChartFactory.createStackedBarChart(
"Stacked Bar Chart Demo 2",
"Category", // domain axis label
"Value", // range axis label
dataset, // data
PlotOrientation.HORIZONTAL, // the plot orientation
true, // include legend
true, // tooltips
false // urls
);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
StackedBarRenderer renderer = (StackedBarRenderer) plot.getRenderer();
renderer.setItemLabelsVisible(true);
return chart;
}
/**
* Creates a panel for the demo (used by SuperDemo.java).
*
* @return A panel.
*/
public static JPanel createDemoPanel() {
JFreeChart chart = createChart(createDataset());
return new ChartPanel(chart);
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(String[] args) {
StackedBarChartDemo2 demo = new StackedBarChartDemo2(
"Stacked Bar Chart Demo 2");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
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