codice:
package Panel;
import java.awt.Color;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.general.DatasetUtilities;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import esempio.Visualizzazioni;
/**
* A simple demonstration application showing how to create a horizontal bar chart.
*
*/
public class BarChartDemo5 extends ApplicationFrame {
static Visualizzazioni db;
/**
* Creates a new demo instance.
*
* @param title the frame title.
*/
public BarChartDemo5(final String title) {
super(title);
final CategoryDataset dataset = createDataset();
final JFreeChart chart = createChart(dataset);
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
/**
* Creates a sample dataset.
*
* @return A sample dataset.
*/
private CategoryDataset createDataset() {
final double[][] data = new double[][] {
{1.0, 43.0, 35.0, 58.0, 54.0, 77.0, 71.0, 89.0},
{54.0, 75.0, 63.0, 83.0, 43.0, 46.0, 27.0, 13.0},
{41.0, 33.0, 22.0, 34.0, 62.0, 32.0, 42.0, 34.0}
};
return DatasetUtilities.createCategoryDataset("Series ", "Factor222 ", data);
}
/**
* Creates a chart.
*
* @param dataset the dataset.
*
* @return A chart.
*/
private JFreeChart createChart(final CategoryDataset dataset) {
// create the chart...
final JFreeChart chart = ChartFactory.createBarChart(
"Prospetto vendite", // chart title
"Prodotti", // domain axis label
"Nro Pz.Venduti", // range axis label
dataset, // data
PlotOrientation.HORIZONTAL, // orientation
true, // include legend
true,
false
);
// NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
chart.setBackgroundPaint(Color.lightGray);
// get a reference to the plot for further customisation...
final CategoryPlot plot = chart.getCategoryPlot();
plot.getRenderer().setSeriesPaint(0, new Color(0, 0, 255));
plot.getRenderer().setSeriesPaint(1, new Color(75, 75, 255));
plot.getRenderer().setSeriesPaint(2, new Color(150, 150, 255));
// change the auto tick unit selection to integer units only...
final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setRange(0.0, 100.0);
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
// NumberAxis hna = rangeAxis;
// MarkerAxisBand band = new MarkerAxisBand(hna, 2.0, 2.0, 2.0, 2.0,
// new Font("SansSerif", Font.PLAIN, 9));
// IntervalMarker m1 = new IntervalMarker(0.0, 33.0, "Low", Color.gray,
// new BasicStroke(0.5f), Color.green, 0.75f);
// IntervalMarker m2 = new IntervalMarker(33.0, 66.0, "Medium", Color.gray,
// new BasicStroke(0.5f), Color.orange, 0.75f);
// IntervalMarker m3 = new IntervalMarker(66.0, 100.0, "High", Color.gray,
// new BasicStroke(0.5f), Color.red, 0.75f);
// band.addMarker(m1);
// band.addMarker(m2);
// band.addMarker(m3);
// hna.setMarkerBand(band);
// OPTIONAL CUSTOMISATION COMPLETED.
return chart;
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(final String[] args) {
final BarChartDemo5 demo = new BarChartDemo5("Bar Chart Demo 5");
db = new Visualizzazioni("provaDB");
try {
db.connetti();
} catch (InstantiationException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IllegalAccessException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}//fine del programma
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
}
poi lui per default mette come nome ad ogni serie il nome Factor io invece vorrei mettere il nome del mio articolo.....